Mini Spilt Chiller &Mini Unitary Chiller 50Hz 2012

Transcription

1 MCAC Mini Spilt Chiller &Mini Unitary Chiller Hz Coercial Air Conditioner Business Units Midea Air Conditioning and Refrigeration Sector Add: est region of Midea coercial air conditioner department, Industry Avenue, Beijiao, Shunde, Foshan, Guangdong, P.R. China Postal code: Tel: + Fax: +

2 Corporate Introduction Midea Group From its humble beginnings in, Midea has developed into a large corporation, covering HVAC, appliances, lighting, industrial components, logistics, and real estate. Its years of relentless growth has brought its global turnover to $ billion USD in. Consequently, Midea has created over, jobs both within China and all over the world. In addition to providing affordable goods to consumers worldwide, Midea is a responsible corporate citizen, and has contributed to several social causes. Midea believes in creating value through rapid response to market demands, costefficient operations and consumer satisfaction. As a result, Midea wields vast production capacities to meet these demands, a fully integrated manufacturing process, and a comprehensive range of affordable, highquality products to serve its global customers. Midea CAC (MCAC) As a key part of Midea Group, the Midea Central Air Conditioner (CAC) Business Unit is a professional CAC products supplier and coercial products solution expert. Since Midea central airconditioner contributes to the coercial product R&D and technology innovation. By cooperating with the international enterprises plus the independent R&D, Midea CAC achieves big success in the coercial airconditioner market and has established thousands of sample projects all over the world. Right now Midea CAC is one of the most professional CAC products supplier as well as the professional project solution provider in marketing, sales, project design and after service etc. MCAC Chongqing factory with product lines concentrates on the water cooled centrifugal / screw/ scroll chillers, Air cooled screw/ scroll chillers, AHU/FCU etc. MCAC Shunde factory with product lines concentrates on the VRF (DC inverter product/ Digital scroll product), split product, heat pump water heater, AHU/FCU etc. Today, Midea is a home appliance leader in China. The company continues to actively globalize its operation by opening plants in Vietnam, Belarus and Egypt. Additionally, Midea has several forthcoming plants in order to offer enhanced products and services closer to the market.

3 Full DC Inverter Mini VRF Product general introduction Contents Midea Mini chiller series is aircooled water heat pump chiller, no need cooling water tower at the condensing side, easy for installation. The units can freely combined with indoor fan coil units, additionally combined with indoor top level decoration, this bring you to enjoy the nobility coming from central air conditioner. Midea Mini chiller series include unitary type (builtin water pump and expansion tank ) and spilt type, and the capacity of full range product is from k to k. Improved the features such as high efficiency, low noise, compactness,safety running, easy maintenance etc.,they are widely applied in small business office building, apartments, villas, as well as restaurant and the similar places. Nomenclature Product lineup Mini spilt chiller Mini unitary chiller

4 Mini chiller unit Hz Mini chiller unit Hz Nomenclature Product lineup Split type M G A D S N (Digital scroll compressor adopted) Refrigerant type N: RA Power Supply S: V/Hz/ph None: V/Hz/ph Outdoor Unit Nominal Cooling Capacity (k) Compressor D: Digital scroll compressor F: Fixed speed scroll compressor.k //k ater Pump BOX Design Series Code A: Split chiller C: Unitary chiller Light Coercial Chiller System Midea Power supply Compressor type Refrigerant Heat exchanger A/C mode ater pump MGAD/N MGAD/N MGAD/N MGAD/N ~ V Ph Hz ~ V Ph Hz ~ V Ph Hz ~ V Ph Hz Digital scroll Digital scroll Digital scroll Digital scroll RA RA RA RA Plate type Plate type Plate type Plate type Heat pump Heat pump Heat pump Heat pump SBX/N SBX/NA SBX/SN SBX/SNA Unitary type (Hydraulic module integrated) /.k.k //k Power supply Compressor type Refrigerant Heat exchanger A/C mode ater pump MGCF/N ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/N ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/N ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/SN ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/SN ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/SN ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in MGCF/SN ~ V Ph Hz Fixed scroll RA Plate type Heat pump Built in

5 Mini chiller unit Hz Mini chiller unit Hz Mini spilt chiller Mini spilt chiller Prodcut descripition Features and benefits Description of main components Specification Operation limits Hydraulic performance Dimension Service space Piping diagram Capacity tables Pipe connection information Hydraulic connections iring specifications Accessories

6 Mini chiller unit Hz Mini chiller unit Hz Product description Midea mini spilt chiller is air cooled revesecycle chiller with axialflow fans operate with refrigerant fluid, they are suitable for outdoor installation, the units conform to the essential requisites of //EC. The units is international popular split design, the pump box is spilt from the outdoor units,which can be installed inside the room or outside, the installation is very convenient and simple. Features and benefits Ra environment friendly refrigerant, no harm to ozone layer. By adopting high efficiency plate heat exchanger, the energy consumption can be reduced. No harm to ozone leyer Greenhouse effect is small Metallic protective cabinet with rustproof plyester paint. Builtin with voltage protection, current protection,antifreezing protection, differential water flow protection compressor water pump and fan motor overload protection and etc., effectively guarantee the system to work safety. Compressor current protection Phase protection signal output Aircooled system, no need cooling water tower, packaged design, easy for installation All the components and accessories of the mini chiller (evaporator, compressor, aircooled condenser, expansion device and hydraulic module, such as expansion tank, water pump,water flow switch and so on ) have been manufactured, assembledand tested as a completed package within the factory. These packaged systems can reduce field labor, speed installation and improve reliability. Energy saving and high reliability By adopting Copeland digital scroll compressor, the capacity can be stepless adjusted and the chiller can bring you more comfortable living conditions with less energy consumption. The system has no EMC problem. Convenient and simple installation ith international popular split design, the pump box can be installed inside the matched room and its outdoor unit is compact and light. Expansion tank Plate heat exchanger ater pump ater flow switch

7 Mini chiller unit Hz Mini chiller unit Hz Flexible and convenient control Adopt wired controller KJRB/BEwith the autorestart functions of adjusting outlet water temperature and power failure memory, etc.. Evaporator (in the water pump box) The heat exchanger is made of AISI stainless steel high efficiency plate heat exchanger to ensure high heat exchange efficiency, complete with electric heater and differential pressure switch. The complete heat exchanger is insulated with thermal insulation closed cell rubber foam to give optimum thermal insulation. ON/OFF ater pump box TIME ON TEMP.SET The mini spilt chiller water pump box are fully integrated and equipped with key hydraulic components such TIME OFF OK as expansion tank, water flow switch, plate type heatexchanger, water circulating pump. MODE QUERY Reserved control port for electrical heater Signal output: V/Hz/PH. Electrical heater needs power supply separately. Emergency switch Stop the chiller directly by the switch in any urgent case. PAGEUP/TEMP+ HEAT LOCK RESET MANUAL/AUTO PAGEDON/TEMP ADDRESS ADDRESS+ ADDRESS SET Refrigerant circuit The refrigerant circuit is factory brazed and evacuated before accurately charged with RA to ensure optimum operating requirement. To ensure flawless continuous operation, each refrigerant circuit is equipped with a carefully sized capillary tube. Power and control electrical panel Power and control electrical panel constructed in accordance with IEC /EN,complete with compressor contactor, control via HS control panel. Description of main components Structure nels and base are made from galvanized steel plate painted with epoxy power to ensure total resistance to atmospheric pollution, condensate collection pan as standard. Compressor Midea mini spilt chiller are equipped with Copeland brand high efficiency, reliable and silence digital scroll compressor, the capacity can be stepless adjusted and the chiller can bring you more comfortable living condition with less energy consumption; The system has no EMC problem. Air cooled condenser Coils The coils are made from high performance and seamless copper tuber and high surface area aluminium fins to ensure optimum heat exchange capability. Condenser coil protection grill as standard. Low noise fan and fan motor To achieve high efficiency heat exchange, the units is equiped with the high performance axialflow fans. The fan is direct driven by weather proof motor to ensure reliable operation, the fan motor is six pole electric motor with builtin thermal cutout.

8 Mini chiller unit Hz Mini chiller unit Hz Outdoor unit Specification,, k MGAD/N MGAD/N Power supply VPhHz,,,, Condenser Motor Axlalflow fan Electrical panel Emergency stop pushbuttons Liquid receiver way valve Low pressure switch Solenoid valve Compressor High pressure switch Gas side Liquid side Cooling Heating Max. input consumption Max. input current Refrigerant Throttle Compressor Capacity Input Capacity Input Refrigerant Refrigerant Charged volume Brand Number of Compressor Thermal protector Refrigerant oil Brand k k A g ml.. RA Digital Scroll Copeland Inner POE OIL, AC motor elling. RA Digital Scroll Copeland Inner POE OIL, AC motor elling.k Condenser fan motor Number of fan Input (Hi/Lo) Speed (Hi/Lo) r/min / / /( ) / ater pupm container Condenser Motor Axlalflow fan Electrical panel Emergency stop pushbuttons Accumulater way valve Low pressure switch Solenoid valve Compressor High pressure switch Liquid side Gas side Flow switch Pump Liquid receiver Plate heat exchanger Gas side Liquid side Electrical panel Expansion tank Autowater replenishing ater discharge Autowater pipe ater intlet ater outlet Outdoor units Hydraulic module Condenser coil Other information ater pump Expansion tank Heat exchange ater flow switch Other information Refrigerant pipe diameter Pipe diameter Control Ambient temperature Max. air flow Number of rows Fin type Tube outside dia. and type Number of circuits Throttle Noise level (sound pressure) Dimension ( H D) cking ( H D) Net/ Gross weight Input Pumping head volume Rated water flow Minimum water flow The max. and min. water inlet pressure Noise level (sound pressure) Dimension ( H D) cking ( H D) Net/ Gross weight Liquid side Gas side ater inlet/outlet Nominal capacity is based on the following conditions:. Cooling: outdoor ambient temperature C,inlet/outlet water temperature / C.. Heating: outdoor ambient temperature C % R.H; inlet/outlet water temperature / C.. m away in open field(sound pressure). m /h db(a) kg m L m /h m /h bar db(a) kg C Hydrophilic aluminium Hydrophilic aluminium Φ. Φ. inner grooved tube inner grooved tube / / CESBX/N CESBX/NA Plate Plate standard standard.. /. /... / / Φ. Φ. Φ Φ DN DN ired controller KJRB/BE(standard) Cooling: C~ C Cooling: C~ C Heating: C~ C Heating: C~ C

9 Mini chiller unit Hz Mini chiller unit Hz MGAD/N MGAD/N Power supply Cooling Heating Max. input consumption Max. input current Refrigerant Throttle Outdoor units Hydraulic module Compressor Condenser coil Other information ater pump Expansion tank Heat exchange Refrigerant pipe diameter Pipe diameter Control Ambient temperature Condenser fan motor ater flow switch Other information Capacity Input Capacity Input Refrigerant Refrigerant Charged volume Brand Number of Compressor Thermal protector Refrigerant oil Brand Number of fan Input (Hi/Lo) Speed (Hi/Lo) Max. air flow Number of rows Fin type Tube outside dia. and type Number of circuits Noise level (sound pressure) Dimension ( H D) cking ( H D) Net/ Gross weight Input Pumping head volume Rated water flow Minimum water flow The max. and min. water inlet pressure Noise level (sound pressure) Dimension ( H D) cking ( H D) Net/ Gross weight Liquid side Gas side ater inlet/outlet VPhHz k k A Nominal capacity is based on the following conditions:. Cooling: outdoor ambient temperature C,inlet/outlet water temperature / C.. Heating: outdoor ambient temperature C % R.H; inlet/outlet water temperature / C.. m away in open field(sound pressure). g ml r/min m /h db(a) kg m L m /h m /h bar db(a) kg C,,,, RA RA Digital Scroll Digital Scroll Copeland Copeland Inner Inner POE OIL, POE OIL, AC motor AC motor elling elling /( ) /( ) / / Hydrophilic aluminium Hydrophilic aluminium Φ. Φ. inner grooved tube inner grooved tube / / CESBX/SN CESBX/SNA Plate Plate standard standard.. /. /.. / / Φ. Φ. Φ Φ DN DN ired controller KJRB/BE(standard) Cooling: C~ C Cooling: C~ C Heating: C~ C Heating: C~ C Operation limits Cooling and heating operation temperature range Cooling operation Heating operation OUTDOOR AMBIENT TEMPERATURE t( C) Ethylene glycol solutions ater and ethylene glycol solutions used as a thermal vector in the place of water reduce the performance of the unit. Multiply the performance figures by the values given in the following table. c cq cdp c: correction factor refrigerating capacity. cq: correction factor flow rate. cdp: correction factor pressure drop. COOLING Outdoor ambient temperature: C~ C Outlet water temperature: C C Outdoor ambient temperature: C~ C ( C~ C, when charge enough antifreeze) Outlet water temperature: C C t( C) t( C) OUTLET ATER TEMPERATURE Freezing point ( C) Percentage of ethylene glycol in weight %... %... %... Notes:. During winter leaving the unit unused, please drain water out completely from unit if no antifreeze were charged into pipeline, or keep power on (at standby or off status) and ensure that water is contained inside of unit.. hen ambient temperature is lower than C, running cooling mode must be charged antifreeze. Refer to upper parameters for the charged volume. OUTDOOR AMBIENT TEMPERATURE t( C) HEATING OUTLET ATER TEMPERATURE %... Recoended operating area %...

10 Mini chiller unit Hz Mini chiller unit Hz Fouling factors The performance data given refer to conditions with clean evaporator plates (fouling factor=). For different fouling factors, multiply the figures in the performance tables by the coefficient given in the following table. Dimensions Outdoor unit Fouling factors Evaporator (m C/) f fk fx C f: capacity correction factor fk: compressor power input correction factor fx: total power input correction factor ater volume for installation MGAD/N MGAD/N MGAD/SN MGAD/SN D B Minimum water volume (L) If the total water volume in the system is less than the value in the table above, the additional water tank is necessary in order to avoid the compressor On/Off frequency. The minimum size of the water tank is calculated as: size of additional water tank(l)=minimum water volume (L) Actual water volume(l) E Hydraulic performance Pump head curves(*) A PUMP HEAD H[m]..... ATER FLO [m /h] Note: (*) To obtain the useful head for installation, subtract the pressure drop of the plate heat exchanger. Dimensions A B C D E MGAD/N MGAD/N MGAD/SN MGAD/SN ater pump box Heat exchanger pressure drop (water side) ater flow m / h l/sec k Pressure drop k ater flow m / h. l/sec k k k Pressure drop k k k

11 Mini chiller unit Hz Mini chiller unit Hz Service space Capacity tables Cooling capacity MGAD/N Ta. ( C) ( C) (k).... (k)..... t (k) (m /h). (k).. (k)..... (k) t (k) (m /h) (k)..... (k) (k).... t (k) (m /h).. (k).... (k) (k).. t (k) (m /h).... (k).... (k) (k) t (k) (m /h)..... (k)..... MGAD/N M Foot screw pieces per unit Ta. ( C) ( C) (k) (k).. Piping diagram t (k) (m /h) (k)... (k) (k).. t (k) (m /h).. (k) (k)... (k) t (k) (m /h) (k) (k) (k) t (k) (m /h).. Remark: (k) (k) No Name No Name No Name (k) t (k) Compressor Liquid receiver (m /h) High pressure switch Liquid receiver Low pressure switch (k)..... way valve Condenser Plate heat exchanger PM valve Crank heater Remark: Ta: outside air temperature ( C) : cooling capacity (k) : evaporator water outlet temperature ( C) : compressor power input (k) Filter ater temperature sensor t: total power input (k) : evaporator pressure drop (k) : evaporator water flow (m /h)

12 Mini chiller unit Hz Mini chiller unit Hz MGAD/SN Heating capacity Ta. ( C) ( C) MGAD/N (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) Ta. U.R.% ( C) ( C) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k) (k) (k) t (k) (m /h) (k).. MGAD/SN Ta. ( C) ( C) MGAD/N (k) (k) t (k) (m /h) (k) Ta. U.R.% ( C) ( C) (k) (k) t (k) (m /h) (k)... (k). (k) (k). t (k) (k) (m /h) t (k) (k)..... (m /h) (k)... (k).. (k) (k) t (k) (k) (m /h) t (k).. (k) (m /h) (k) (k). (k)... (k) t (k) (k) (m /h) t (k). (k)..... (m /h) (k). (k)... (k) (k).... t (k) (m /h) (k) Remark: Ta: outside air temperature ( C ) : cooling capacity (k)... : evaporator water outlet temperature ( C) : compressor power input (k)..... (k) t (k) (m /h) (k) Remark: Ta: outside air temperature ( C ) : evaporator water outlet temperature ( C).. t: total power input (k) : evaporator water flow (m /h) : heating capacity (k) : compressor power input (k) : evaporator pressure drop (k) t: total power input (k) : condenser water flow (m /h) : evaporator pressure drop (k) : conditions outside of operating limits

13 Mini chiller unit Hz Mini chiller unit Hz MGAD/SN Pipe connection information Ta. U.R.% ( C) ( C) (k) (k)... Pipe connection t (k). (m /h) (k) (k) Top cover (k) t (k).. (m /h) (k).... ater inlet ire connection (k) (k).... ater charging t (k) (m /h)... ater outlet (k) (k) ater drain out Refrigerant pipe junction (k) t (k).. (m /h).... (k).... (k).... Liquid side Ф. (k) t (k) (m /h).... Gas side ater side Ф DN ( /" ) (k) MGAD/SN Pipe length and height difference between main unit and water pump box Ta. U.R.% ( C) ( C) (k)... (k) t (k) (m /h) (k).. Max.pipe length between water pump box and chiller is m. (k) (k) t (k) (m /h).. (k).... (k).... (k).. t (k).. (m /h).... (k) (k) (k) t (k) Max.height difference between chiller and water pump box is m. (m /h).... (k) (k).... (k) t (k) (m /h)..... Additional refrigerant charge (k). Remark: Ta: outside air temperature ( C ) : heating capacity (k) : evaporator water outlet temperature ( C) : compressor power input (k) Liquid pipe length Less than m Additional refrigerant No need t: total power input (k) : evaporator pressure drop (k) : condenser water flow (m/h) : conditions outside of operating limits m (Pipe length) g

14 Mini chiller unit Hz Mini chiller unit Hz Hydraulic connections The choice and installation of components is the responsibility of the installer who should follow good working practice and current legislation. It is recoended that the following devices are installed in the water circuit of the system. Accessories ater pump box: SBX/(S)N(A) ired controller: KJRB/BE Factory connections T T T T F Site connections ATER INLET ATER OUTLET P r essure gauge Vibration damper joint Gate valve Calibrating valve Flow switch Temperature sensor Pump Safety valve Air vent Expansion tank Mesh filter Autowater replenishing Plate heat exchanger Drain/chemical washing valve Outdoor unit Accessories table iring specification SBX/N SBX/NA SBX/SN SBX/SNA KJRB/BE Name Qty Specifications for reference Note (purchased by customers)./k Overall power cord. For outdoor unit /k Overall power cord For outdoor unit.k k k k aterflow controlling wire Temp. sensor signal wire (shielded wire) cord shielded wire. Between outdoor units and water pump box Between outdoor units and Auxiliary heater The main unit must use water pump box and wired controller. ater pump box and wired controller are standard with the units. One wired controller can control more than chiller..///k ater pump power cord. Between outdoor units and water pump box Auxiliary heater controlling wire. Between outdoor units and Auxiliary heater Controlling wire for central & wired controller. (cord shielded wire) Between outdoor units and central & wired controller(shorter than m) The power cord type designation is HRNF. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed flexible cord, type designation HRNF or heavier cord. The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least in each active(phase) conductors.

15 Mini chiller unit Hz Mini chiller unit Hz Mini unitary chiller Mini unitary chiller Product description Features and benefits Description of main components Specification Operation limits Hydraulic performance Dimension Service space Piping diagram Capacity tables Hydraulic connections iring specifications Accessories

16 Mini chiller unit Hz Mini chiller unit Hz Product description Midea mini unitary chiller is air cooled reversecycle chiller with axialflow fans operate with refrigerant fluid, they are suitable for outdoor installation, the units conform to the essential requisites of //EC. The units are integrated and compact design, the chiller built in water pump, expansion tank, plate heatexchanger and so on, it is very simple for installation such kind of system. Features and benefits Ra environment friendly refrigerant, no harm to ozone layer Energy saving and high reliability By adopting high efficiency plate heat exchanger, the energy consumption can be reduced. No harm to Ozone leyer Greenhouse effect is small Metallic protective cabinet with rustproof plyester paint. Builtin with voltage protection, current protection, antifreezing protection, water flow protection and etc., effectively guarantee the system to work safety. Integrated and compact design, simple installation and save space Built in water pump, expansion tank and plate heatexchanger. It is very easy for installation. Compressor current protection Phase protection signal output Expansion Tank Pressure Difference Switch Plate Heatexchanger Flexible and convenient control ater Pump Aircooled system, no need cooling water tower, packaged design, easy for installation. All the components and accessoryies of the mini chiller (evaporator, compressor, aircooled condenser, expansion device and Hydraulic module, such as expansion tank, water pump, water flow switch and so on. ) have been manufactured, assembled, and tested as a complete package within the factory. The packaged systems can reduce field labor and increase reliability. Builtin with Eliwell ST electronic controller at factory. Compact devices with advanced function and friendly user interface. The front panel of the device functions as the user interface and is used to perform all operations relating to the device. The chiller also can be controlled by the Eliwell remote control keyboard kit SK, which is LCD remote terminal with integrated room temperature control (optional). Reserved control port for electrical heater Signal output: V/Hz/Ph Electrical heater needs power supply separately.

17 Mini chiller unit Hz Mini chiller unit Hz Reserved ON/OFF control port Can be used to connect with an ON/OFF switch or a timer controller. Reserved alarm signal output port Can be used to connect the alarm light to show the error of the chiller. Autorestart function Resume former running status automatically after power failure. Emergency switch Stop the chiller directly by the switch in any urgent case Builtin with water pressure gauge: Inspect water pressure all the time. Structure ater pressure gauge: inspect the water pressure any time Emergency switch: stop the chiller directly by the switch in any urgent case Controller: control interface of the chiller Description of main components nels and base are made from galvanized steel plate painted with epoxy power to ensure total resistance to atmospheric pollution, condensate collection pan as standard. Compressor Evaporator The heat exchanger is made of AISI stainless steel high efficiency plate heat exchanger to ensure high heat exchange efficiency, complete with electric heater and differential pressure switch. The complete heat exchanger is insulated with thermal insulation closed cell rubber foam to give optimum thermal insulation. Hydraulic module Midea mini unitary chiller are fully integrated and equipped with key hydraulic components such as expansion tank, plate type of heatexchanger, water circulating pump. The water pressure difference switch is provided in the units to protect against damage to the water pump. Power and control electrical panel Power and control electrical panel constructed in accordance with IEC /EN, complete with compressor contactor, control via A control panel. Condenser Expansion tank Accumulater Axialflow fan High pressure switch Compressor Electrical panel Control panel Plate heat exchanger Reversing valve (only cooling only) ater differential pressure switch Pump connecting pipe(model //k only) Low pressure switch Pump Emergency stop pushbuttons Hermetic rotary or scroll compressor with crankcase heater and thermal cutout MGCF/N and MGCF/N adopt MideaToshiba Rotary compressor; the other adopt Copeland or SANYO high efficiency scroll compressor. Air cooled condenser Coils The coils are made from high performance and seamless copper tuber and high surface area aluminium fins to ensure optimum heat exchange capability. Condenser coil protection grill is standard. Low noise fan and fan motor To achieve high efficiency heat exchange, the unit is equipment with the high performance axialflow fans. The fan is driven directly by weather proof motor to ensure reliable operation, the fan motor is sixpole electric motor with builtin thermal cutout.

18 Mini chiller unit Hz Mini chiller unit Hz Specification MGCF/N MGCF/N MGCF/N MGCF/SN MGCF/SN MGCF/SN MGCF/SN Power supply Cooling Capacity Input VPhHz k Heating Capacity k Input Max. input consumption Max. input current A Starting current A Refrigerant Refrigerant Refrigerant Charged volume g Throttle Brand Compressor Number of Compressor Thermal protector Refrigerant oil ml Brand Number of fan Outdoor fan motor Input (Hi/Lo) Speed (Hi/Lo) r/min Max. air flow m /h Number of rows Outdoor coil Fin type Tube outside dia. and type Input (H/M/L) ater pump Expansion tank Pumping head volume m L Hydraulic module Heat exchange Rated water flow m /h heatexchanger water pressure drop kpa Pressure Difference Switch The Max. and Min. water inlet pressure Outdoor noise level (sound pressure) kpa db(a) Dimension ( H D) Outdoor unit cking ( H D) Net/ Gross weight kg Pipe diameter Control Ambient temp. ater inlet/outlet C,,,,..... RA RA ROTARY ROTARY MideaToshiba MideaToshiba Inner Inner ESTER OIL VG, ESTER OIL VG, AC motor AC motor elling elling Hydrophilic aluminium Hydrophilic aluminium Φ. Φ. Inner grooved copper tube Inner grooved copper tube // // Plate Plate.. standard standard / / / / R R electronic controller electronic controller Cooling: C~ C; Heating: C ater inlet setting temp. range (default) C Cooling: ~ C; Heating mode: ~ C Nominal capacity is based on the following conditions:. Cooling: outdoor ambient temperature C,inlet/outlet water temperature / C.. Heating: outdoor ambient temperature C % R.H; inlet/outlet water temperature / C.. m away in open field(sound pressure).,,.. RA Fix speed Scroll type Copeland Inner POE OIL, AC motor elling / / / Hydrophilic aluminium foil Φ. inner groove tube //. Plate. standard / / / R/ electronic controller Power supply VPhHz,,,,,,,, Capacity k. MGCF/SN MGCF/SN Cooling Heating Max. input consumption Max. input current Starting current Refrigerant type/quantity Throttle Compressor Outdoor fan motor Outdoor coil Input Capacity Input Charged volume Brand Capacity Input Thermal protector Refrigerant oil Brand Number of fan Input (Hi/Lo) Speed (Hi/Lo) Outdoor air flow Number of rows Fin type Tube outside dia. and type k A A g Btu/h ml r/min m /h. RA Fix speed Scroll type Copeland Inner POE OIL, AC motor elling / / / Hydrophilic aluminium foil Φ.. RA Fix speed Scroll type SANYO Inner FVS, AC motor elling / / / Hydrophilic aluminium foil Φ... RA Fix speed Scroll type SANYO Inner FVS, AC motor elling / / / Hydrophilic aluminium foil Φ. RA Fix speed Scroll type SANYO Inner FVS, AC motor elling / / / Hydrophilic aluminium foil Φ. Inner grooved copper tube Inner grooved copper tube Inner grooved copper tube Inner grooved copper tube Input (H/M/L) // // // // ater pump Expansion tank Pumping head volume m L.... Hydraulic module Heat exchange Rated water flow ater pressure drop m /h kpa plate. plate plate plate Pressure Difference Switch The Max. and Min. water inlet pressure Outdoor noise level (sound pressure) Dimension ( H D) kpa db(a) standard / / standard / / standard / / standard / / Outdoor unit Pipe diameter Control cking ( H D) Net/ Gross weight ater inlet/outlet kg / R/ electronic controller / R/ electronic controller / R/ electronic controller / R/ electronic controller Ambient temp. ater inlet setting temp. range (default) C C Cooling: C~ C; Heating: C Cooling: ~ C; Heating mode: ~ C Nominal capacity is based on the following conditions:. Cooling: outdoor ambient temperature C,inlet/outlet water temperature / C.. Heating: outdoor ambient temperature C % R.H; inlet/outlet water temperature / C.. m away in open field(sound pressure).

19 Mini chiller unit Hz Operation Limits Cooling and heating operation temperature range Cooling operation Heating operation OUTDOOR AMBIENT TEMPERATURE t( C) COOLING OUTLET ATER TEMPERATURE Ethylene glycol solutions Outdoor ambient temperature: C~ C Outlet water temperature: C C Outdoor ambient temperature: C~ C ( C~ C, when charge enough antifreeze) Outlet water temperature: C C t( C) OUTDOOR AMBIENT TEMPERATURE ater and ethylene glycol solutions used as a thermal vector in the place of water reduce the performance of the unit. Multiply the performance figures by the values given in the following table. Freezing point ( C) Percentage of ethylene glycol in weight % % % % % c..... cq..... cdp..... c: correction factor refrigerating capacity cq: correction factor flow rate cdp: correction factor pressure drop Notes:. During winter leaving the unit unused, please drain water out completely from unit if no antifreeze were charged into pipeline, or keep power on (at standby or off status) and ensure that water is contained inside of unit.. hen ambient temperature lower C, running cooling mode must be charged antifreeze. Refer to upper parameters for the charged volume. Fouling factors t( C) HEATING OUTLET ATER TEMPERATURE t( C) Recoended operating area The performance data given refer to conditions with clean evaporator plates (fouling factor=). For different fouling factors, multiply the figures in the performance tables by the coefficient given in the following table. Fouling factors (m C/).. f.. Evaporator f: Capacity correction factor fk: Compressor power input correction factor fx: Total power input correction factor Minimum water volume Minimum water volume (L) Minimum water volume (L) MGCF/N MGCF/SN fk.. MGCF/N MGCF/SN fx.. MGCF/(S)N MGCF/SN Hydraulic performance Pump head curve(/.k) Pump head curve(.///k) Heat exchanger pressure drop (water side) k. k PUMP HEAD H[m] ater flow [m] Head..... [k] Power input P min [m h] m / h l/sec k k.. min. ater flow[m /h]. min.. max..... max... Mini chiller unit Hz Note: (*) To obtain the useful head of the installation, subtract the pressure drop of the plate heat exchanger..k k k k Pressure drop ater flow Pressure drop m / h l/sec k k k k

20 Mini chiller unit Hz Mini chiller unit Hz Dimensions (unit: ) MGCF/N MGCF/N Service Space MGCF/N MGCF/SN MGCF/SN MGCF/SN MGCF/SN Piping Diagram Remark: No. Name No. Name No. Name Compressor ater differential pressure switch High pressure switch way valve Condenser Liquid receiver Plate heat exchanger Defrost heater Accumulator Low pressure switch Crankcase heater Filter ater temperature sensor

21 Mini chiller unit Hz Mini chiller unit Hz Capacity tables Cooling capacity Note: Ta: outside air temperature ( C) : compressor power input (k) : evaporator water outlet temperature ( C) t: total power input (k) : cooling capacity (k) : evaporator water flow (m /h) : evaporator pressure drop (k) t t t t t MGCF/N Ta t t t t t MGCF/N Ta t t t t t MGCF/N Ta Note: Ta: outside air temperature ( C) : compressor power input (k) : evaporator water outlet temperature ( C) t: total power input (k) : cooling capacity (k) : evaporator water flow (m /h) : evaporator pressure drop (k) t t t t t MGCF/SN Ta

22 Mini chiller unit Hz Mini chiller unit Hz MGCF/SN Ta t t t t t MGCF/SN Ta t t t t t Note: Ta: outside air temperature ( C) : evaporator water outlet temperature ( C) : cooling capacity (k) : evaporator pressure drop (k) : compressor power input (k) t: total power input (k) : evaporator water flow (m /h) Ta t t t t t Note: Ta: outside air temperature ( C) : evaporator water outlet temperature ( C) : cooling capacity (k) : evaporator pressure drop (k) MGCF/SN : compressor power input (k) t: total power input (k) : evaporator water flow (m /h) Heating capacity Ta(U.R.%).. t t t t t.... Note: Ta: outside air temperature ( C) : evaporator water outlet temperature ( C) : heating capacity (k) : compressor power input (k) t: total power input (k) : condenser water flow (m/h) : evaporator pressure drop (k) : Exceed operating limits MGCF/N

23 Mini chiller unit Hz Mini chiller unit Hz MGCF/N MGCF/SN Ta(U.R.%) Ta(U.R.%) t t t.. t t.. t t.. t t.. t MGCF/N MGCF/SN Ta(U.R.%) Ta(U.R.%) t. t t t t t t. t t t.... Note: Ta: outside air temperature ( C) : evaporator water outlet temperature ( C) Note: Ta: outside air temperature ( C) : evaporator water outlet temperature ( C) : heating capacity (k) : compressor power input (k) : heating capacity (k) : compressor power input (k) t: total power input (k) : condenser water flow (m/h) t: total power input (k) : condenser water flow (m/h) : evaporator pressure drop (k) : Exceed operating limits : evaporator pressure drop (k) : Exceed operating limits

24 Mini chiller unit Hz Mini chiller unit Hz MGCF/SN Hydraulic connections Ta(U.R.%) t... The choice and installation of components is the responsibility of the installer who should follow good working practice and current legislation. It is recoended that the following devices are installed in the water circuit of the system. t t t Factory connections Site connections F T T ATER OUTLET ATER INLET P r essure gauge Vibration damper joint Gate valve Calibrating valve ater flow switch Thermometer Pump Safety valve Air vent Expansion tank Mesh filter Autowater replenishing valve Temperature sensor Differential pressure switch Drain/chemical washing valve Plate heat exchanger Additional pump Additional pump. t.. iring specification MGCF/SN kw.kw.kw kw kw kw Ta(U.R.%) Power supply V~, Hz V N~, Hz... Circuit beaker/fuse (A) / / / / / / t Power wiring Ground wiring ( ) ( ) x x x x x. Outdoor/indoor connecting t... The power cord type designation is HRNF. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed flexible cord, type designation HRNF or heavier cord. The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least in each active(phase) conductors... t.. Accessories.... t. Item Description Appearance Note LCD remote terminal Remote controller SK with integrated room optional t temperature control;. Note: Ta: outside air temperature ( C) : heating capacity (k) t: total power input (k) : evaporator pressure drop (k) : evaporator water outlet temperature ( C) : compressor power input (k) : condenser water flow (m/h) : Exceed operating limits