SPECIFICATION CATALOG

SPEIFIATIN ATAL ETHEMAL HEAT PUMPS AFFDABLE ENEWABLE LEAN ASTN SEIES AI HANDLE

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Table of ontents Air Handler Nomenclature........................................................... Physical Data..................................................................... Design Features and Benefits....................................................... - Dimensional Data (abinet & onnections)............................................-0 Electrical Data................................................................... ompatibility..................................................................... Wiring Schematics.............................................................. - Blower Performance............................................................... oil Performance............................................................... - oil Nomenclature................................................................ efrigerant oil ompatibility........................................................ oil Physical Data................................................................ Dimensional Data (oils)......................................................... - Engineering uide Specifications..................................................... evision uide...................................................................

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Model Nomenclature - - - 0 AH 0 * 00 0 Model AH Series Air Handler Unit apacity efrigeration (DX) Models with Nominal FM 0 MBTUH 00 0 MBTUH 00 MBTUH 0 0 MBTUH 0 MBTUH 0 MBTUH 00 MBTUH 0 Hydronic Models with Nominal FM 0 MBTUH 0 MBTUH 0 MBTUH 00 MBTUH 0 Vintage * = Factory Use nly Air oil efrigerant H - Hydronic Motor EM 0-0/0/ Disconnect 0 No Breaker Installed (only on kw & 0kW Heaters) Breaker Installed (only on kw & 0kW Heaters) Electric Heat 00 None 0 kw (0 0 only) 0 0kW (00 00 only) kw (0 00 only) 0 0kW (00 only) ev.: 0 April 0D TE: To field convert the AH0-00 to bottomflow air discharge, the NAHB kit must be ordered. Physical Data Air Handler Model Number (efrigerant) Evaporator oil efrigerant Air oil Total Face Area, ft [m] Tube outside diameter - in. [mm] Number of rows Fins per inch Suction line connection - in. [mm] sweat Liquid line connection - in. [mm] sweat AH0 AH0 AH00 AH0 AH0 AH0 AH00. [0.] / [.] / [.] / [.] / [.] Nominal cooling capacity - tons [kw]. [.]. [.]. [.] [0.]. [.0] [.0] [.] ondensate drain connection - (.D.) in. [mm] / [.0] Blower Wheel Size (Dia x W), in. [mm] Blower motor type/speeds x 0 [ x ] EM variable speed Blower motor output - hp [W] / [] [] Filter Standard - " [mm] MEV disposable, in. [mm] Electrical characteristics (0hz) 0 x [0 x ] 0/0 - ph Shipping weight - lbs. [kg] perating weight - lbs. [kg] [.] [.] 0 [.] 00 [0.] // -0a Air Handler Model Number (Hydronic) AH0 AH0 AH0 AH00 Hydronic oil Air oil Total Face Area, ft [m] Tube outside diameter - in. [mm] Number of rows Fins per inch Water In connection - in. [mm] sweat Water ut connection - in. [mm] sweat. [0.] / [.] / [.] / [.] Nominal cooling capacity - tons [kw]. [.] [0.] [.0] [.] ondensate drain connection - (FPT) in. [mm] Blower Wheel Size (Dia x W), in. [mm] Blower motor type/speeds / [.0] x 0 [ x ] EM variable speed Blower motor output - hp [W] Filter Standard - " [mm] MEV disposable, in. [mm] Electrical characteristics (0hz) Shipping weight - lbs. [kg] perating weight - lbs. [kg] / [] 0 x [0 x ] 0/0 - ph 0 [.] 00 [0.] [] Note: Water connection dimensions are.d. //

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Design Features and Benefits Easy to access control panel Slide out blower assembly Factory installed Internal Electric Heat with circuit breakers on kw and 0 kw models Field switchable, four position design (Horizontal Left/ight, Vertical & Bottomflow Variable speed EM blower motor Narrow design for attic access Width - [. cm] Height -. [. cm] Depth -. [. cm] Foil lined, cleanable insulation Electro-coated air coil Factory installed TXV DX or hydronic A coil Filter ack orrosion resistant coated galvanized steel drain pan Ease of onversion

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Air Handler Features and Benefits Air oil Designed for -0A refrigerant. onfigured as a 'A' coil, rifled copper tubes and enhanced corrugated lanced aluminum fins to provide high efficiencies at low face velocities. Electro-coated for added protection. abinet onstructed of heavy gauge environmentally-responsible galvanized steel for maximum corrosion resistance. All units are painted with a silver metallic powder coat finish. All interior surfaces are lined with / thick, foil lined acoustic type fiber insulation, applied in a manner that prevents the introduction of glass fibers into the air stream. Multiple knockouts in various sizes facilitate power and low voltage wiring. Multiple access panels for ease of service. ontrols EM interface board allows for blower speed selection and thermostat inputs. Auxiliary/Emergency Heat ptional factory installed electric heat. Installation Ease abinets are shipped in one piece but can be separated into two pieces for ease of installation in tight spaces. Auxiliary/ Emergency Electric Heat Electric heat packages can be factory or field installed. For field installed electric heat the Auxiliary Heat ompatibility table below shows the available heater packages for the air handler. onfigurations abinets are factory configured for upflow and horizontal left hand air discharge installation but can be easily configured for horizontal right hand or bottomflow air discharge. Drain Pans Two e-coated galvanized steel drain pans included. ne for vertical and one for horizontal applications both have dual drains. Electrical Disconnect Factory installed circuit breaker on kw/0 kw heaters. Expansion Device Factory installed TXV with internal check valve inside of cabinet. efrigerant onnections Suction and liquid lines have sweat connections extended outside of cabinet for ease of connection. Auxiliary Heat ompatibility Model kw Stages Min FM Air Handler ompatibility 0-0 00-0 0-0 00 P-0 0 ü ü P-0 0 00 ü ü ü P-0 ü ü P-0 0 00 ü /0/00

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - DX Air Handler Top Flow/Horizontal Unit onfiguration TP VIEW FNT VIEW IHT SIDE VIEW DD EE FF W D HH II E BTTM VIEW K J L AA BB N M F JJ P Q S H I B LL MM T U V A Topflow/ verall abinet efrigerant/water onnections Horizontal D E F onfiguration A B /" cond /" cond eturn H I J K L M N P Q S Power Low Air Duct Suction / Liquid / Width Depth Height Supply Voltage Flange Water ut Water In in..0...0. 0.......0..0. 0.. 0.. 0-00 cm............ 0.. 0...0... HH II S T U V W X Y Z AA BB DD EE FF " cond /" cond JJ KK LL MM Power Supply Low Voltage..0. 0.........0..0.0.0.0..0......0... 0............0..0 ondensate is stainless steel /".D. tube Discharge flange is field installed and extends " (. mm) from cabinet ev: //

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - DX Air Handler Bottom Flow Unit onfiguration TP VIEW FNT VIEW A X W IHT SIDE VIEW I B JJ T V U 0. F S KK LL MM H Y BTTM VIEW DD EE J K FF AA BB N M L D E P HH II Z Q verall abinet efrigerant/water onnections Bottomflow D E F onfiguration A B /" cond " cond eturn H I J K L M N P Q 0-00 Width Depth Height Low Voltage Power Supply Air Duct Flange Suction / Water ut Liquid / Water In in..0.... 0............ 0. cm............ 0..... 0.. DD EE S T U V W X Y Z AA BB " cond /" cond FF HH II JJ KK LL MM Power Supply Low Voltage. 0...0. 0.... 0..0.0.0.0..0...0........0 0.0............0..0 ondensate is stainless steel /".D. tube ev: // Discharge flange is field installed and extends " (. mm) from cabinet

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - Hydronic Air Handler Top Flow/Horizontal Unit onfiguration TP VIEW FNT VIEW IHT SIDE VIEW DD EE FF W D HH II E BTTM VIEW K J L AA BB N M F JJ P Q S H I B LL MM T U V A Topflow/ verall abinet efrigerant/water onnections Horizontal D E F onfiguration A B /" cond /" cond eturn H I J K L M N P Q S Power Low Air Duct Suction / Liquid / Width Depth Height Supply Voltage Flange Water ut Water In in..0...0. 0.......... 0.. 0.. 0-00 cm........... 0. 0..0...... HH II S T U V W X Y Z AA BB DD EE FF " cond /" cond JJ KK LL MM Power Supply Low Voltage..0. 0.........0..0.0.0.0..0......0... 0............0..0 ondensate is stainless steel /" FPT Discharge flange is field installed and extends " (. mm) from cabinet ev: /0/

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - Hydronic Air Handler Bottom Flow Unit onfiguration TP VIEW FNT VIEW A X W IHT SIDE VIEW I B JJ T V U 0. F S KK LL MM H Y BTTM VIEW DD EE J K FF AA BB N M L D E P HH II Z Q verall abinet efrigerant/water onnections Bottomflow D E F onfiguration A B /" cond " cond eturn H I J K L M N P Q 0-00 Width Depth Height Low Voltage Power Supply Air Duct Flange Suction / Water ut Liquid / Water In in..0.... 0............ 0. cm............ 0..... 0.. DD EE S T U V W X Y Z AA BB " cond /" cond FF HH II JJ KK LL MM Power Supply Low Voltage. 0...0. 0.... 0..0.0.0.0..0...0........0 0.0............0..0 ondensate is stainless steel /" FPT ev: /0/ Discharge flange is field installed and extends " (. mm) from cabinet 0

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Electrical Data Model 0 0 00 0 0 Electric Heat apacity Supply ircuit Aux. Heat Minimum FM ated Voltage Voltage Min/ Max Blower Motor FLA Heater Ampacity Total Unit FLA Minimum ircuit Ampacity Maximum Fuse/ HA KW BTUH 0v 0v 0v 0v 0v 0v 0v 0v 0v 0v 0 0 -.0 - -.0.0.0.0 0 0., single 0.0. 0.0..0. 0.0 0 0 0 0 -.0 - -.0.0.0.0 0 0., single 0.0. 0.0..0. 0.0 0 0 0 0 -.0 - -.0.0.0.0 0 0., single 0.0. 0.0..0. 0.0 0 0., single 00.0. 0.0..0..0 0 0 0 0 -.0 - -.0.0.0.0 0 0., single 0.0. 0.0..0. 0.0 0 0., single 00.0. 0.0..0..0 0 0 0 0 -.0 - -.0.0..., single 00.0. 0.0..0.. 0 0., single.0.0 0.0.0.0.. 0 0., L/L,.0. 0.0..0.. 0 0 0-0/0/ / L/L -. 0.0. 0.0..0 0 0 -.0 - -.0.0..., single 00.0. 0.0..0.. 0 0 0., single.0.0 0.0.0.0.. 0 0., L/L,.0. 0.0..0.. 0 0 L/L -. 0.0. 0.0..0 0 0 -.0 - -.0.0..., single 00.0. 0.0..0.. 0 0., single.0.0 0.0.0.0.. 0 0 00., L/L,.0. 0.0..0.. 0 0 L/L -. 0.0. 0.0..0.,0 single.0. 0.0..0. 0. 00 0.,0 //0 L/L,00.0. 0.0..0.. 0 0 L/L -. 0.0. 0.0. 0.0 0 0 ated Voltage of 0/0/0/ HA circuit breaker in USA only ompatibility Air Handler Sizing Selection The Aston Series Air Handlers are designed for 0a refrigerant and should be matched with Aston indoor or outdoor series compressor section according to the table below. Air Handler Indoor Split Model (Single) Indoor Split Model (Dual apacity) utdoor Split Model (Dual apacity) Airflow(FM) Electric Heat (kw) AH0B*** 0*0-00 AH0B*** - 0*0 0*0 AH00B*** 0*00 - - 0, 0 AH0B*** 0*0 - -, 0 AH0B*** - 0*0 0*0, 0 AH0B*** 0*0 - - 0, AH0B*** 0*0 - - 0, AH0B*** - 0*0 0*0 0, AH00B*** 0*00 - - 0 0,, 0 AH00B*** - 0*0 0*0 0 0,, 0 AH00B*** 0*00 - - 0 0,, 0 AH00B*** - 0*0 0*0 0 0,, 0 //

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Wiring Schematics 0-0/0/ L HE - E to E - LP - Factory Low voltage wiring Factory Line voltage wiring Field low voltage wiring Field line voltage wiring ptional block D Voltage PB traces Internal junction Quick connect terminal Wire nut Field wire lug round elay ontacts- N.., N.. Fuse Heater element Aux heat stage relays Low pressure switch Legend 0-0/0/ T P PB - SW - Thermistor Light emitting diode - reen elay coil apacitor w/ bleed resistor Switch - ondensate overflow Switch - High pressure Switch - Low pressure Switch -Hot Water n/ff Polarized connector Power block DIP package 0 position Transformer V Yel Blk/Wh rn() rn/yel() XFM SE Thermostat P DD Y Y Y Y L ed TE Blue LED Note 0 SW n PB L P 0 ry() Brown range rn PM grnd PM L ADJUST EM HEAT Blower Motor DELAY 0 BK Y Y /Y n/ff W / W EM / W TE ray E E P E E P ry() ry() HE TS Thermostat Y Y W Yel rn/yel() V Transformer Blk/Wh XFM SE P DD Y Y /B W W ed TE Blue Note 0 SW n W L LED W PB L 0 P Brown range 0 rn PM grnd PM BK L ADJUST HEAT DELAY Y Y /Y n/ff W / W EM / W Air Handler No Electric Heat Notes: To operate in 0V mode replace the blue transformer wire connected to PB-L with red transformer wire. Jumper wires tie stages () with () and () with (). Dip switches are used to select the air flow. EM Blower Motor /B W W W W W Wht() rn() Air Handler w/ kw Electric Heat 0-0/0/ PB Transformer L L ry() Yel() V ed TE Brown range Blue rn Yel Blk/Wh P PM grnd rn() LED rn/yel() XFM SE PM Note L ADJUST EM HEAT Blower Motor DELAY 0 0 BK Thermostat P Y Y /Y 0 n/ff DD SW n Y Y W / W Y Y EM / W /B W W W W W Wht() ray E E P E TE E P Wht(0) Blu() TD Electric Heat Yel() ry() ry() HE TS Yel() HE TS rn() Electric Heat Air Handler w/ 0kW Electric Heat P-0 0/0/

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Wiring Schematics cont. 0-0/0/ ircuit 0-0/0/ ircuit Note Legend L L L L L Factory Low voltage wiring Factory Line voltage wiring Field low voltage wiring Field line voltage wiring ptional block D Voltage PB traces Internal junction Quick connect terminal Wire nut Field wire lug round elay ontacts- N.., N.. Fuse P T Thermistor Light emitting diode - reen elay coil apacitor w/ bleed resistor Switch - ondensate overflow Switch - High pressure Switch - Low pressure Switch -Hot Water n/ff Polarized connector Transformer V Yel Blk/Wh rn() rn/yel() XFM SE L ed TE Blue LED PB L P Brown range ed () () rn PM grnd PM BK BK ry() Blk() ray E ry() ry(0) Blk() Yel() HE TS HE - Heater element PB - E to E - Aux heat stage relays SW - LP - Low pressure switch 0-0/0/ PB Transformer L L Power block DIP package 0 position Thermostat Y Y P DD Y Y /B Note 0 SW n 0 0 L ADJUST HEAT DELAY BK Y Y /Y n/ff W / W EM / W EM Blower Motor TE E Yel() P E E P Wht(0) Blu() Blk() Yel() HE HE TS TS Thermostat Y Y W Yel rn/yel() V Blk/Wh XFM SE P DD Y Y /B W W ed TE Blue Note 0 SW n W LED W 0 P Brown range 0 rn PM grnd PM BK L ADJUST HEAT DELAY Y Y /Y n/ff W / W EM / W Air Handler No Electric Heat Notes: To operate in 0V mode replace the blue transformer wire connected to PB-L with red transformer wire. Jumper wires tie stages () with () and () with (). Dip switches are used to select the air flow. For single circuit operation field supplied jumper wires should be applied between L & L and L & L. Jumper wires must be sized to carry the single circuit ampacity of the equipment. EM Blower Motor W W W TD W W Wht() rn() Air Handler w/ kw Electric Heat Transformer V Yel Blk/Wh rn() rn/yel() XFM SE Thermostat Y Y W P 0 0 DD SW n Y Y /B W W W W 0-0/0/ ircuit L L PB BK L L ed () () Brown ed TE range Blue rn P LED Note 0 PM grnd PM Air Handler w/ 0kW Electric Heat Electric Heat 0-0/0/ E Yel() L Blk() Pnk() ADJUST HE TS EM P HEAT Blower E Motor DELAY Yel() HE TS BK TE Y E Pnk() Y /Y HE n/ff TS W / W P EM / W Wht(0) Blu() TD Wht() rn() ircuit Note L L BK ry(0) Blk() Yel() Pnk() ry() Blk() ray E ry() HE TS Electric Heat P-0 0/0/

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Blower Performance Blower Performance Variable Speed EM Model 0 0 00 0 0 0 Max ESP (wg) Blower Motor (hp) HP FM Setting Normal Mode Htg & lg Dehumidification Mode lg Aux FM Setting Aux Emerg S S Stg Stg Blower S Stg Stg Blower S S Mode 0.0 / n n 00 00 0 ff 00 0 n n 000 0.0 / ff n 00 00 ff 0 0 00 ff n 00 0.0 / n ff 00 0 ff 00 0 n ff 0.0 / ff ff 0 0 0 ff ff 0 0.0 / n n 00 00 ff 0 00 n n 0 0.0 / ff n ff 0 0 ff n 0 0.0 / n ff 00 ff 0 0 n ff 0.0 / ff ff 0 00 ff ff 0.0 / n n 0 0 00 ff 00 n n 0 0.0 / ff n 0 0 00 ff 0 00 ff n 000 0.0 / n ff 00 00 0 ff 0 0 0 n ff 0.0 / ff ff 00 0 ff ff 00 0.0 / n n 00 0 0 ff 0 0 n n 00 0.0 / ff n 0 ff 0 0 ff n 0 0.0 / n ff 0 0 0 ff 0 0 0 n ff 0.0 / ff ff 0 00 0 ff ff 00 0. n n 00 00 0 ff 0 00 0 n n 0 0. ff n 00 0 ff 0 0 0 ff n 0 0. n ff 00 ff 00 00 n ff 00 0. ff ff 0 0 ff ff 0. n n 00 00 ff 00 00 n n 00 0. ff n 0 ff 0 0 ff n 0 0. n ff 0 00 0 ff 00 00 0 n ff 0. ff ff 00 000 ff ff 00 0. n n 0 0 ff 0 0 n n 0 0. ff n 0 00 ff 0 0 00 ff n 0 00 0. n ff 0 0 ff 00 0 n ff 0. ff ff 0 ff ff 00 Factory FM settings are in boldface //0 FM is controlled within % up to maximum ESP Maximum ESP includes allowance for wet coil and standard fi lter DIP switch must be 'FF' to select dehumidifi cation mode Air Handler DIP Switches DIPS Switch Description Used to set normal FM Not used Used to set aux./emergency heat FM Not used Used to set dehumidification FM 0 Not used

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Hydronic oil Performance 0-0 Heating/ooling (efer to Indoor Split or utdoor Split Specification atalogs for refrigerant performance tables)

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Hydronic oil Performance cont. 0-00 Heating/ooling (efer to Indoor Split or utdoor Split Specification atalogs for refrigerant performance tables)

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Air oil Nomenclature - - A 0 Model Series efrigerant oil H Series Hydronic oil onfiguration A A oil Type - oil TE: All refrigerant coils include TXV. abinet Enclosed (ased) U Uncased apacity efrigerant (DX) Models 0 MBTUH 0 MBTUH 0 MBTUH 00 MBTUH Hydronic Models 00 MBTUH ev.: 0 April 0D efrigerant oil ompatibility Encased/Uncased oil Indoor Split Model (Single) Indoor Split Model utdoor Split Model ecommended Airflow (Dual apacity) (Dual apacity) (FM) A0* 0*0-00 A0* - 0*0 0*0 A0* 0*00 - - 0 A0* 0*0 - - A0* - 0*0 0*0 A0* 0*0 - - A0* 0*0 - - A0* - 0*0 0*0 A00* 0*00 - - 0 A00* - 0*0 0*0 0 A00* 0*00 - - 0 A00* - 0*0 0*0 0 // oil Physical Data Air oil Model Number (efrigerant) A0 A0 A0 A00 Air oil Total Face Area, ft [m ]. [0.] Tube outside diameter - in. [mm] / [.] Evaporator oil Number of rows Fins per inch Suction line connection - in. [mm] sweat / [.] / [.] Liquid line connection - in. [mm] sweat / [.] efrigerant -0A Nominal cooling capacity - tons [kw]. [.] [0.] [.0] [.] ondensate drain connection - (.D.) in. [mm] / [.0] Air oil Model Number (Hydronic) HA00 Air oil Total Face Area, ft [m ]. [0.] Tube outside diameter - in. [mm] / [.] Hydronic oil Number of rows Fins per inch Water In connection - in. [mm] sweat / [.] Water ut connection - in. [mm] sweat / [.] Nominal cooling capacity - tons [kw] [.] ondensate drain connection - (FPT) in. [mm] / [.0] TE: Water connection dimensions are.d.

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data Hydronic oil H I J. [.cm] B L K D F E A IHT SIDE FNT BTTM 00 onnections verall Dimensions Uncased Models A B Water Water ondensate Width Depth Height Sweat Sweat FPT ondensate onnections Hydronic onnections D E F H I J K L in. 0.0.. / / /.0. 0.. 0.0...0. cm. 0............... efrigerant oil I H J. [.cm] L B K DX 0-0 DX 0-00 D E A IHT SIDE FNT BTTM onnections verall Dimensions Uncased Models A B Suction Liquid ondensate Width Depth Height Sweat Sweat Tube F D E F H I J K L in. 0.0. 0. / / /.0. 0.. 0.0.0..0. cm. 0.....0.......... in. 0.0. 0. / / /.0. 0.. 0.0.0..0. cm. 0.....0.......... TE: All refrigerant coils feature factory installed TXV. Water connection dimensions are.d. ondensate onnections efrigerant onnections

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - DX ased oils TP A E AD D LEFT SIDE FNT V W AB BTTM. [.cm] M P Q J X Y K L AA Z F H I B N S T U A Encased Models DX 0-0 DX 0-00 A Width verall abinet onnections Supply onnection Suction Liquid Water Water ondensate B Depth Height* Sweat Sweat Sweat Sweat Tube D Supply Width E Supply Depth Inlet onnection F H I in. 0..0. / / - - /.0.....0 cm...0...0 - -....... in. 0..0. / / - - /.0.....0 cm...0...0 - -....... Encased Models efrigerant & Water onnections ondensate onnections Miscellaneous J K L M N P Q S T U V W X Y Z AA AB A AD DX 0-0 in. 0..0...... 0.......... 0..0.0 cm.. 0........... 0....0..... DX 0-00 in. 0..0...... 0.......... 0..0.0 cm.. 0........... 0....0..... TE: All refrigerant coils feature factory installed TXV. //0

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Dimensional Data - Hydronic ased oils TP A E AD D LEFT SIDE FNT V W AB BTTM. [.cm] M P Q J X Y K L AA Z F H I B N S T U A Encased Models Hydronic 00 A Width verall abinet onnections Supply onnection Suction Liquid Water Water ondensate B Depth Height* Sweat Sweat Sweat Sweat FPT D Supply Width E Supply Depth Inlet onnection F H I in. 0..0. - - / / /.0.....0 cm...0. - -......... Encased Models Hydronic 00 efrigerant & Water onnections ondensate onnections Miscellaneous J K L M N P Q S T U V W X Y Z AA AB A AD in. 0..0...... 0.......... 0..0.0 cm.. 0........... 0....0..... 0

ASTN SEIES AI HANDLE SPEIFIATIN ATAL Engineering uide Specifications eneral The air handler shall provide vertical upflow, downflow, or horizontal configurations in one package. Units shall be listed by a nationally recognized safety-testing laboratory or agency, such as Underwriter s Laboratory (UL) or Environmental Testing Laboratories (Intertek-ETL). The air handler units shall be designed and AI performance listed to operate with the Series geothermal split condensing units. Each unit shall be pallet mounted and shipped using dense cardboard corners/top and stretch wrap for easy shipping damage inspection. asing and abinet The cabinet shall be fabricated from heavy-gauge galvanized steel and polyester powder coat paint to withstand 000 hours of salt spray testing. The interior shall be insulated with / -thick, multi-density, cleanable aluminum foil coated glass fiber with edges sealed or tucked under flanges to prevent the introduction of glass fibers into the discharge air. ne large blower compartment access panel shall be provided and shall be removable with supply and return ductwork in place. The internal components layout shall provide for major service with the unit in-place for restricted access installations. The blower assembly access shall be slide-out serviceable via a works-in-a-drawer design. The cabinet shall be convertible to horizontal or downflow applications by reconfiguring the cabinet using only a nut driver. The unit shall be zero clearance approved on any of its surfaces. The cabinet shall be divided into two cubes to facilitate easy transport up attic ladders when needed. Standard-size MEV filters shall be provided with each unit. efrigeration ircuit All units shall provide a fin tube air-to-refrigerant heat exchanger of the A coil design. The finned tube e-coated coil shall be sized for low-face velocity and constructed of lanced aluminum fins bonded to rifled copper tubes in a staggered pattern. The coil shall include an integral corrosion resistant e-coated galvanized steel drain pan. Blower Motor and Assembly The blower shall be an oversized direct drive centrifugal type with a dynamically balanced wheel. The housing and wheel shall be designed for quiet low outlet velocity operation and of galvanized or galvalume steel construction. Tight blower housing geometry shall not be permitted. The blower housing shall be removable from the unit without disconnecting the supply air ductwork for servicing of the blower motor through a works-in-a-drawer design. The high efficiency blower motor shall be a variable speed EM type. The blower motor shall be isolated from the housing by rubber grommets. The motor shall be permanently lubricated ball bearings and have thermal overload protection. Electrical A solid state electronic control module shall be provided for the control of the blower and each stage of electric heat. Single or dual circuit line voltage terminal blocks shall be provided for the air handler power supply. Fuse protection shall be provided for the VA control transformer. Units shall have knockouts for entrance of the low and line voltage wiring. The blower motor shall incorporate a harness plug-connection for easy removal. An integral circuit breaker shall be provided on all units employing or 0 kw electric heat. The control shall maintain the blower operation 0 seconds after the compressor or electric heat have shut off to improve efficiency. Piping efrigerant connections shall be made using sweat copper joints. The condensate connections shall be a /.D. tube on DX coils, and /" FPT on hydronic models. The thermal expansion valve shall be factory installed and provide proper superheat over the entire liquid temperature range with minimal hunting. The valve shall operate in the cooling mode through the use of an internal check valve.

ASTN SEIES AI HANDLE SPEIFIATIN ATAL evision uide Pages: Description: Date: By: All Updated Dimensional Data for New Vertical ondensate Drain 0 May 0 DS All Updated Nomenclature For New EM Motor 0 Feb 0 DS - Added Additional Dimension on eturn Side pening on Hydronic & DX oils 0 Feb 0 DS Added evision uide 0 Feb 0 DS - Updated Drain Pan 0 May 0 DS/MA

Product: Type: Size: Aston Series Air Handler Hydronic or -0A - Tons Document Type: Specification atalog Part Number: S00H elease Date: 0/ 0 The manufacturer has a policy of continual product research and development and reserves the right to change design and specifi cations without notice.