Geostar GAH022, Installation Manual

Page 1: ...I N S TA L L AT I O N M A N U A L GEOTHERMAL HEAT PUMPS AFF ORDABLE RENEWABLE CLEAN A S T O N S E R I E S A I R H A N D L E R...

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Page 3: ...tallation Information 5 11 Hydronic Models 12 13 Electrical Data 14 15 Wiring Schematics 16 18 ECM Blower Control 19 Blower Performance Data 20 Dimensional Data 21 24 Unit Startup 25 Replacement Proce...

Page 4: ...1 3 4 6 7 8 9 10 11 12 Model GAH G Series Air Handler Unit Capacity Refrigeration DX Models with Nominal CFM 022 MBTUH 800 026 MBTUH 925 030 MBTUH 980 036 MBTUH 1225 042 MBTUH 1425 048 MBTUH 1625 060...

Page 5: ...H026 GAH030 GAH036 GAH042 GAH048 GAH060 Air Coil Total Face Area ft2 m2 Tube outside diameter in mm Number of rows Fins per inch Suction line connection in mm sweat Liquid line connection in mm sweat...

Page 6: ...glass or constructed of ductboard for the first few feet On systems employing a metal duct system canvas connectors should be used between the unit and the ductwork If air noise or excessive airflow i...

Page 7: ...eeze It is recommended that the trap material be of a type that will allow for expansion of water when it freezes Drain lines must be in conformance with local codes Air Handler Configuration The air...

Page 8: ...installed on combustible flooring protect the edges of the floor opening with sheet metal over wrap or other non combustible material 9 Bottom air discharge units should be sealed well to the floor to...

Page 9: ...is secured to the A coil for shipping The indoor and outdoor compressor section is shipped with a factory charge and the service valves are not to be opened until the line set and air handler have be...

Page 10: ...actory set 33P609 03 factory set 33P609 05 factory set open 2 turns 33P609 06 open 2 turns Note When installing these air handlers follow the table for initial txv setting Check sub cooling and superh...

Page 11: ...11 General Installation Information cont Figure 4 Decrease Superheat Open Valve Increase Superheat Close Valve ASTON SERIES AIR HANDLER INSTALLATION MANUAL...

Page 12: ...n tank to allow room for the heated liquid to expand A system is considered closed when a check valve or backflow prevention valve is installed in the cold water pipe upstream of the water heater Once...

Page 13: ...6 0 1 4 1 4 1 4 1 2 1 2 1 2 1 2 9 0 2 8 2 6 2 5 2 4 2 4 2 4 2 3 12 0 4 6 4 4 4 2 4 0 4 0 4 0 3 9 15 0 7 0 6 8 6 6 6 0 6 0 5 9 5 8 Water Presure Drop Hydronic Coil Entering Water Temperature F EAT F 10...

Page 14: ...of Circuit Breaker One and on the L2 side of Circuit Breaker Two The voltmeter should read approximately 0 volts If the meter reads high voltage the aux iliary heat breakers need to be rewired so that...

Page 15: ...765 single 900 4 0 34 7 40 0 38 7 44 0 48 4 55 0 50 60 042 0 0 7 0 7 0 7 0 8 8 8 8 15 15 9 6 32 765 single 900 7 0 34 7 40 0 41 7 47 0 52 1 58 8 60 60 14 4 49 147 single 1 275 7 0 52 0 60 0 59 0 67 0...

Page 16: ...iring Optional block DC Voltage PCB traces Internal junction Quick connect terminal Thermal Limit Switch Field wire lug Ground HE PB SW1 Heater element Power block DIP package 10 position Legend N O N...

Page 17: ...Gry 6 Yel 15 Yel 7 P2 P1 C 1 2 3 4 Gray ER4 NO ER3 NO ER2 NO ER1 NO C 1 2 3 4 HE3 TS3 NOTE 2 Grn 9 Air Handler 5kW Electric Heat Thermostat R C Y1 O W Y2 Transformer G Grn 2 3 4 5 1 Blk Wh Yel 24V 20...

Page 18: ...Yel 22 P2 Gray ER4 NO NOTE 2 ER3 NO ER2 NO ER1 NO C 1 2 3 4 C 1 2 3 4 P1 PNK 19 Pnk 23 Pnk 27 HE4 TS4 Pnk 18 Air Handler w 15kW Electric Heat Thermostat R C Y1 O W Y2 Transformer G Grn 2 3 4 5 1 Blk W...

Page 19: ...r field selection of humidity control via setting DIP 9 off The cooling airflow settings are determined by the Cooling Heating DIP switch settings above Dehumidification mode reduces the selected norm...

Page 20: ...0 580 440 On Off 975 0 50 1 2 Off Off 800 630 425 Off Off 900 036 0 50 1 2 On On 1300 1025 760 Off 1105 871 760 On On 1300 0 50 1 2 Off On 1225 950 685 Off 1041 808 685 Off On 1250 0 50 1 2 On Off 115...

Page 21: ...2 0 3 9 26 7 39 4 Condensate is stainless steel 3 4 O D tube Discharge flange is field installed and extends 1 25 4 mm from cabinet 026 060 Refrigerant Water Connections GG HH II S T U V W X Y Z AA B...

Page 22: ...ondensate is stainless steel 3 4 O D tube Rev 4 28 14 Discharge flange is field installed and extends 1 25 4 mm from cabinet Refrigerant Water Connections 026 060 CC DD EE S T U V W X Y Z AA BB 1 cond...

Page 23: ...2 7 9 2 0 3 9 26 7 39 4 Condensate is stainless steel 3 4 O D Discharge flange is field installed and extends 1 25 4 mm from cabinet 026 060 Refrigerant Water Connections GG HH II S T U V W X Y Z AA B...

Page 24: ...2 4 Condensate is stainless steel 3 4 O D Rev 8 15 14 Discharge flange is field installed and extends 1 25 4 mm from cabinet Refrigerant Water Connections 026 060 CC DD EE S T U V W X Y Z AA BB 1 cond...

Page 25: ...coil should be cleaned before startup A 10 percent solution of dishwasher detergent and water is recommended for both sides of coil A thorough water rinse should follow Maintenance Filters Filters mus...

Page 26: ...ronic Models 022 R 026 R 030 R 036 R 042 R 048 R 060 R 026 H 036 H 048 H 060 H Refrigeration Air Coil 61S641 02 61S640 02 61S642 02 TXV 33P609 01 33P609 03 33P609 05 33P609 06 N A ECM Motor Blower Blo...

Page 27: ...t Up 01 April 2015 MA 5 7 22 24 Updated Hydronic Data 15 Aug 2014 MA 4 6 19 20 Updated Drain Pan 20 May 2014 DS MA All Updated Dimensional Data for New Vertical Condensate Drain 02 May 2014 DS All Upd...

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Page 30: ...R 410A Size 2 5 Tons Document Type Installation Manual Part Number IM1008HG Release Date 07 15 2015 The manufacturer has a policy of continual product research and development and reserves the right t...