FAN COILS wall mounted

SERVICE MANUAL FAN COILS wall mounted SF-51H, SF-68H, SF-85H

PRODUCT MODELS LIST Model Name Cooling Capacity (W) Product Code Air Flow (m 3 /h) Power Supply (V,Ph,Hz) Remarks SF-51H 2700 EM55001260 550 SF-68H 3600 EM55001340 680 220-240V~- 1Ph-50Hz SF-85H 4200 EM55001410 850 PRODUCT DATA Airflow volume Model High Medium Low SF-51H SF-68H SF-85H m 3 /h 550 680 850 CFM 324 400 500 m 3 /h 413 591 708 CFM 242 347 416 m 3 /h 367 532 616 CFM 215 312 362 Capacity Cooling W 2700 3600 4200 Heating W 4050 5400 6300 Power Type V-Ph-Hz 220-240V--1Ph-50Hz system Input W 50 60 60 m 3 /h 0.45 0.6 0.7 Water flow volume Water GPM 1.98 2.64 3.08 system kpa 24 44 45 Pressure drop Ft-WG 7.9 14.5 14.8 Type Aluminum fin-copper tube Coil Operating pressure MPa <1.5MPa <1.5MPa <1.5MPa Type FN20J-PG FN20V-PG Motor Capacitor uf 1 1.5 1.5 Power output W 20 Sound pressure level db(a) 40 43 48 Connection pipe size Water inlet &outlet Condensing water drain inch mm 1/2" 15,6 Outline dimension (WxDxH) mm 845x180x275 940x200x298 Package dimension (WxDxH) mm 915x255x355 1010x285x380 Net weight kg 11 13 Gross weight kg 14 17 Standard wireless remote controller YB1FA 1

CONTROL 1. WIRELESS REMOTE CONTROLLER YB1FA Names and functions of wireless remote control 1.1 ON/OFF ON/OFF button Press ON/OFF be retained in memory, but the time will be retained and is still displaying. 1.2 MODE MODE button 1. Press this button, Auto, Cool, Dry, Fan Heat mode can be selected circularly. 2. AUTO COOL DRY FA N HEAT 10 2

1.3 SLEEP SLEEP button 1.4 FAN FAN button AOUT Low Medium High 1.5 CLOCK CLOCK button blinks and displays, you can set the time by pressing + or - again to accept 1.6 LIGHT LIGHT button buttonlightset,the mark will be displayed and the indicator light in the displayer will be on. When the LIGHT 2. OPERATION OF WIRELESS REMOTE CONTROL 2.1 X-FAN X-FAN button 1. 2. 2.2 - button Presetting temperature can be decrease the temperature by 1 degree temperature is 16 to 30 degree Celsius. 2.3 + button Press this button increase the temperature by 1 degree Celsius once. Press and 2.4 TEMP. TEMP. button to display the ambient temperature. 3

2.5 TURBO TURBO button 3. OPERATION OF WIRELESS REMOTE CONTROL Note: 3.1 SWING UP AND DOWN BUTTON OFF positions. 3.2 TIMER ON BUTTON Press the TIMER ON button to set the timed On. Press +/- once to increase setting succeeds. Press the TIMER ON again to cancel the setting. 3.3 TIMER OFF BUTTON 12 4

4. OPERATION OF WIRELESS REMOTE CONTROL 4.1 Guide for operation General operation 1. Press SLEEP button to set the sleep state. 2. Press TIME ON and TIME OFF button to scheduled the unit ON/OFF 3. Press LIGHT 4.2 Guide for operation-optional operation 1. ON/OFF button, the unit will start to run. (Note: When it is 2. Press MODE button, select desired running mode,or press COOL or HEAT mode to enter the corresponding operation directly. 3. Press + or-button to set the desired temperature. 4. Press FAN AUTO, FAN,LOW MID and HIGH. 5. Press button to select SWING mode. 4.3 Operation of wireless remote control 1. 2. MODE and button simultaneously to switch between and. 5. CHANGING BATTERIES AND NOTICES 1. Slightly to press the place with, along the arrowhead direction to push the 2. 3. Insert two new AAA1.5V dry batteries, and pay attention to the polarity. (As 4. NOTE: out, and don't let the leakage liquid damage the wireless remote control. leakage liquid damage the wireless remote control. changing batteries 5

6. WIRED CONTROLLER OPERATION (OPTIONAL) 1. LCD Display 1.1 Symbols on the LCD 1.2 Introduction to the Symbols on the LCD Fig.2 Symbols on the LCD Table 1 Introduction to the Symbols on the LCD No. Symbol Function Description 1 2 3 It indicates the sleeping status. 4 5 It indicates the Cool mode. 6 It indicates the Dry mode. 7 It indicates the Fan mode. 8 It indicates the Heat mode. 9 14 6

10 It indicates the gate control status. 11 It indicates the locking status. 12 shielded through the Long-distance monitoring System.) 13 14 15 It indicates the turbo status. 16 the ambient temperature is displayed. 17 It indicates the ambient temperature/set temperature. 18 19 20 21 It indicates the timer status. It indicates the quiet operation status. (including two 22 statuses, Quiet and Auto Quiet. ) Note: Symbols MASTER and CO2 will not displayed 2. Press Keys 1 2 3 4 5 6 7 8 No. Press Bottoms Function Description 1 Enter/Cancel 2 6.. (4) It is used to switch between the modes 3 Fan 4 Mode (3) When the Timer is being set, it is used to switch 5 Function 7

7 Timer It is used to set the timer. 8 It is used to start/stop the indoor unit. 4 +2 2 +6 5+ 7 (MEMORY) (LOCK) Function +Timer (Ambient Temperature Cold/Hot Air) 4 +6 go to the lock status, in which case the press on any other key will get no response. And another press on the Celsius scale and Fahrenheit scale. 3. Installation Instructions No. 1 2 3 4 5 Name Installation Box Base Plate Screw M4X25 Front Panel Screw ST2.2X6.5 instructions. 1. 2. 3. Fix the base plate on the wall with screws M4X25. 4. base plate together. 5. NOTE a. The signal line and communication line should be separated with the power cord and the connecting communication would go wrong. b. and the communication line must be the shielded twisted pairs. 16 8

4. Operation Instructions Under the Off On/Off to start the unit. Under the On On/Off to stop the unit. Fig. 5 is the Off status when the unit is powered on. Fig.6 show the On status when the unit is powered on. Fig.5 Off Status Fig.6 On Status 4.2 Mode Under the On status, each press on Mode Cool Dry Fan Heat 4.3 Temperature Setting Under the On status, press and to increase or decrease the set temperature. A long-time press will make the temperature go up or down by 1 / per 0.3 seconds. Temperature Range:16 30. Fig. 8 Temperature Setting 9

4.5 Swing Swing On Function key to go to the setting status with the symbol Enter/Cancel the symbol Swing On Function key to go to the setting status with the symbol Enter/Cancel and the symbol will disappear. Swing When the Swing Swing Press Function to go to the setting status Press Enter/cancel Swing When the Swing is Press Function to go to the setting status Press Enter/cancel to Swing NOTE: Off powered on again. 4.6 Timer Under the On or Off status, press the Timer key to set the time when to automatically start or stop the unit. On : Under the Off Timer key with the symbol Timer Timer On, it is also Mode key with the symbol and then press or Timer On Off will not be displayed. Off : When the unit is On, press the Timer key with the symbol or Timer Timer Off, it is also to start the unit by pressing the Mode key with the symbol Timer Off On will not be displayed. How to cancel the timer:when the timer is set, press Timer to cancel it and then no time will be displayed on the LCD. 18 10

On When the timer is not set Press Timer to go to the setting status Press Timer this setting Fig.12 How to Set the Timer On Press Mode to switch ON The timer is set when the unit is turned on Press Timer to cancel the setting Fig. 13 How to Cancel the Timer Timer Range: 0.5 And the long-time press will increase or decrease the timer by 0.5 hour per 0.3 second. NOTE When the unit is On On and unit Off Off will be displayed on the wired controller. When the unit is Off On and unit Off On will be displayed on the wired controller. When the unit is Off On Off ends. When the unit is On Off On ends. 4.7 Sleep Sleep Function 1. Under the Cool and Dry by 1, and then another 1 in another hour, then the temperature will not change any more. 2. Under the Heat, and then another 1 in another hour, and then the temperature will not change any more. 11

Sleep On and the Sleep press the Function Sleep Enter/Cancel Sleep :When the unit is On and the Sleep press Function then press Enter/Cancel will disappear. Sleep When the Sleep Press Function to go to the setting status Sleep Function Sleep Press Enter/cancel to Sleep When the Sleep Press Function to go to the setting status Press Enter/cancel to Sleep Sleep Function NOTE a. Sleep Off b. Fan mode. 4.8 Turbo Turbo Cool or Heat mode. Turbo Cool or Heat mode, when the Turbo Off, press the Function Turbo that, press the Enter/Cancel Turbo On and the Turbo Function Turbo the Enter/Cancel disappear. 20 12

Turbo TURBO TURBO MEMORY SAVE BLOW MEMORY SAVE BLOW MEMORY SAVE BLOW When the Turbo Press Function to go to the setting status Turbo Press Enter/cancel TURBO TURBO MEMORY SAVE BLOW MEMORY SAVE BLOW MEMORY SAVE BLOW When the Turbo Press Function to go to the setting status Press Enter/cancel to Turbo Function NOTE: c. The Turbo a. Under the Dry and Fan modes, the Turbo will not appear. b. The Turbo Quiet c. The Turbo Fan 4.9 Save Save Function 1. Cool, Dry or Heat mode. 2. Cool or Dry 3. Heat How to set the Save Cool mode. 1. When the unit is On, press Function Save symbol 2. 3. Press the Enter/Cancel Save How to set the Save Heat mode. 1. When the unit is On, press Function Save symbol 2. Press Mode 3. 4. Press Enter/Cancel Save Save Function Enter/Cancel key to cancel the Save 13

Save When the Save Press Function to go to the setting status Press Enter/cancel Save heating Saving Function Save Press Mode to switch heating When the Save Press Function to go to the setting status Press Enter/cancel to Save Save Function NOTE a. The Sleep Save b. The Save c. The initial lower temperature limit under the Save cooling mode is 16 and the initial upper temperature limit is 30 under the Save heating mode. d. When the Save limit. 22 14

4.10 E-Heater E-heater Function: Under the Heat the auxiliary electric heater. E-heater Heat mode, press the Function key to go to the setting state with the symbol Enter/Cancel E-heater E-heater Function E-heater press the Enter/Cancel will disappear. E-heater Press Function to go to the setting status When the E-heater E-heater E-heater Press Enter/cancel to E-Heater When the E-heater Press Function to go to the setting status Press Enter/cancel to E-Heater Fig.21 How to Deactivate the E-heater Function NOTE: The E-heater Cool, Dry or Fan mode and the symbol will not be displayed on the LCD under those modes. When the unit is switched to the Heat E-heater On. 4.11 Blow Blow Blow Cool and Dry mode, when the Blow Function key to go to the setting state with the symbol press the key Enter/Cancel Blow On and the Blow Function Enter/ Cancel 15

Blow When the Blow Press Function to go to the setting status Blow Function Blow Press Enter/cancel Blow 4.12 Quiet When the Blow Press Function to go to the setting status Blow Function Press Enter/cancel Quiet and Auto Quiet. Quiet / Auto Quiet Function key to go to the setting state with the symbol or Quiet and Auto Quiet Enter/Cancel Quie t / Auto Quiet Quite / Auto Quiet Function key to go to the setting state with the symbol or that, press Enter/Cancel Quiet Quite / Auto Quiet When the Quiet / Auto Quiet Press Function to go to the setting status select Quiet or Auto Quiet 24 16

Press Enter/cancel to Quiet / Auto Quiet Function Quiet When the Quiet / Auto Quiet Press Function to go to the setting status Press Enter/cancel to Quiet / Auto Quiet Function NOTE a. Quiet b. When the Auto Quiet Quiet status according to the c. Under the Auto Quiet Quiet d. The Quiet Fan and Dry Off when the unit is powered on again. e. The Turbo Quiet 4.13 Debugging When the unit is Off, press Function and Timer Mode parameter. 4.13.1 Ambient Temperature Sensor Under the debugging condition, press the Mode 00 in the temperature zone, The indoor ambient temperature is the return air temperature. ( 01 displayed) The indoor ambient temperature is the temperature which the wired controller senses. ( 02 displayed) The return air temperature sensor is selected under the Cool, Dry or Fan mode. The Heat mode. ( 03 displayed) 4.13.2 Anti Cold/Hot Air Function Under the debugging condition, press the Mode key to switch the display in the temperature zone to 03 01 02 indicting the unit without the anti cold/hot air Please press Enter/Cancel system will quit this setting status and back to the normal Off 17

4.14 Other Functions 4.14.1 Lock Lock Function:It can lock the keypad and then the press on any other keys will get no response. On or Off Lock the symbol will disappear. The Lock 4.14.2 Memory Memory Function: When the Memory Off status when it is powered on again. How to switch to the Memory Off, press Mod Memory be displayed on the LCD. NOTE: the content. 4.14.3 Gate Control card drawn out. When the card is drawn out, the unit will be shut down and the symbol inserted in again, the symbol On condition that the Memory Off status. On condition that the Memory Off state when the wired controller is powered on again. NOTE: a. The card being inserted or not, the long-distance monitoring is always enabled. b. The displayed symbol indicates that the unit can not be controlled through the keys. 4.14.4 Switcho When the unit is Off, it is able to switch the Celsius scale and Fahrenheit scale by pressing Mode 4.14.5 Long-distance Shield On/Off, Mode, Temperature or Save is shielded, Mode is shielded, then the operation to switch the current mode Cool to Heat 26 18

5. Error Display errors occurs at the same time, their codes will be displayed circularly. Error List: Error Code E0 E6 E9 F0 F1 F5 EH C5 H6 Fig. 26 Communication Error Error Description Water Pump Error. Communication Error. Auxiliary Electrical Heater Error. Jumper Error. PG Motor Error. 19

INSTALLATION 1. INSTALLATION OF THE UNIT 1.1 Important Notices manual. Center in the local area. 1.2 Basic Requirements For Installation Position 4. Place where the oil (machine oil) is contained in the air. 6. Other place with special circumstance. 1.3 Indoor Unit Installation Position Selection 2. Select a position where the condensing water can be easily drained out. 3. Select a location where the children can not reach. increase the noise. 8. Make sure that the unit installation should accord with installation dimension diagram requirements. 1.4 Safety Requirements For Electric Appliances 2. Don't drag the power cable emphatically. 5. The appliance shall be installed in accordance with national wiring regulations. Note: a. be wrong connected, there should be reliable and no short circuit in the diagram. b. 1.5 Earthing requirements 1. Fan coil is type I electric appliance, thus please do conduct reliable earthing measure. 3. The earth resistance should accord to the National Criterion. Tap water pipe. Gas pipe. Contamination pipe. 20

2. INSTALLATION DIMENSION DIAGRAM Space to the ceiling 15cm Above Space to the wall 15cmAbove 15cmAbove Space to the wall 300cm Above Air outlet side cm Above Space to the floor The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures. 30cm 50cm 30 21

3. INSTALL THE UNIT 3.1 Install the rear panel 1. Always mount the rear panel horizontally. adopted the both-way drainage design, the outlet 2. Fix the rear panel on the wall with screws. Wall Space to the wall 150mm e 3.2 Install the piping hole 1. outdoor side. 2. Gradienter Wall Space to the wall 150mm e t Right 55mm 55mm (Rear piping hole) (Rear piping hole) Fig. 5 Indoor Wall pipe Outdoor Seal pad 55 3.3 Install the water drainage pipe Wrenched Bent 1. For well draining, the drain hose should be placed at a downward slant. (As show in Fig.6) 3. When the long drainage hose passing through indoor, should Flooded wrap the insulation materials. Fig.6 Note: shock. Inlet water side pipe 3.4 Install the unit Fig.7) (1) wiring and piping. wire, water pipe with tape and pull them through the piping hole (As show in Fig.8) Tailing1 Tailing2 Fig..7 Fixing hook Mounting plate Fig.9 Inlet side piping Finally wrap it with tape Fig.8 t Outlet water side Outlet side Piping insulation Water drainage pipe Mounting baord 22

3.5 Install the connection pipe Hex nut diameter 15~20 31~35 50~55 60~65 70~75 Indoor unit pipe Connection nut Pipe by condtractor Spanner Torque wrench 3.6 Check after installation and test operation Items to be checked Possible malfunction The unit may drop, shake or emit noise. It may cause condensation and dripping. It may cause condensation and dripping. Is the electric wiring and piping connection It may cause electrical leakage. 3.6.2 Test Operation (2) Electric wiring must be connected correctly and securely. Test operation method (1) Switch on power, press "ON/OFF" button on the wireless remote control to start the operation. (2) Press MODE button, to select the COOL, HEAT, FAN to check whether the operation is normal or not. 32 23

MAINTENANCE 1. TROUBLESHOOTING 1.1 CAUTION Phenomenon Not operate immediately when the fan coil is restarted. heard during the operation. In COOL mode, sometimes the mist Creaking noise can be heard when start or stop the unit. The unit can not run. is not good. Wireless remote control Cooling LED blinks, display F0. Cooling LED blinks, display F1. Running LED blinks, displays C5. Troubleshooting fan coil ambient. contact with the authorized maintenance center.) is charged, otherwise to replace the batteries. Whether the wireless remote control is damaged. The air humidity is on the high side. F0:Ambient temperature sensor is open or short-circuit. been disconnected with the main board. lace the tube temperature sensor. 34 24

Running LED blinks, displays H6. There is harsh sound during operation. The terrible odors emitted during operation. Water is leaking in the room. Carelessly splash water or something into the unit. There is an abnormal heat in power supply cord and power plug. 2. MAINTENANCE INSTRUCTIONS Fig. c) 2.1 Cleaning and Maintenance Fig.a Fig.b Air filter Healthy filter 2.2 Service Life Healthy filter Fig.c Fig.d 25