REPLACEMENT PARTS MANUAL WATER SOURCE HEAT PUMPS MODELS: GTB-A GTA300UDAA GTA0UDAA GTC3S2-ADC GTCS2-ADC GTC0S2-ADC GTC3S2-ADN GTCS2-ADN GTC0S2-ADN Blower Section Coil Section Coil Section General Notes Revised and/or additional pages may be issued from time to time. A complete and current manual consists of pages shown in the following contents section. Contents Description Blower Section Page Exploded View... 2 Usage List... 3 Exploded View... Usage List... 5 Important Contact the installing and/or local distributor for all parts requirements. Make sure you have the complete model and serial number available from the unit rating plates. "A" Coil Section Exploded View... Usage List... 7 Exploded View... Usage List... 9 Exploded View... 0 Usage List... BMC, Inc. Bryan, Ohio 350 Manufactured under the following U.S. patent number:,27,5 Manual: 20-737J Supersedes: 20-737I File: Volume I, Tab Date: 0-22- Page of
BLOWER SECTION 2 2 5 7 2 0 9 3 9 5 20 7 SEP-57 Page 2 of
BLOWER SECTION Drawing No. Part No. Description 900-30 Complete Blower Assembly 2-35 Blower Mounting Plate 3 20-2 Motor Mount Band and Arms Kit 5-22 Blower Housing 5 03-77 Blower Offset S07-009-007 C07-009-007 3/ HP Programmed Motor with Control Motor Control Module Only 7 552-09 Blower Wheel 50-595- Right Side 9-0 Rear Blower Base Fill Plate 0 S27-39 Base -00 Front Blower Base Fill Plate 2 S553-0- Front Door 55-- Front Corner 50-59- Left Side 5 S07-25- Top Y39 Left Blower Top Rail 7 02-222 /-20 Hex Threaded Insert 03-7 Rear Securing Offset 9 9 Right Blower Top Rail 20 509-2- Back 2 See Control Panel Drawing GTB-A Page 3 of
BLOWER SECTION 2 3 5 7 SEP-57 Page of
BLOWER SECTION Drawing No. Part No. Description S- Lower Control Panel Cover 2 7-297 Lower Control Panel 3 07-035 50VA Transformer -09 Strain Relief 5-03 3 Amp Circuit Breaker -020 Strain Relief 7 20-2 Electronic Control Module NS 3000-50 Power Harness NS 3000-5 ECM Control Harness GTB-A Page 5 of
"A" COIL SECTION 9 0 9 7 2 5 2 7 3 5 20 SEP-575 Page of
"A" COIL SECTION Drawing No. Part No. Description S97-07 Coated Coil Assembly S97-079 Coated Coil Assembly 2 00-00 Cooling Distributor 3 07-07 Terminal Block 55-20 Expansion Valve 55-22 Expansion Valve 5 09-0 3/" Barbed Drain Pan Fitting 09-003 Secondary Drain Pan Fitting 7 7000-02 3/" Male Coupling 7000-0 3/" Male Coupling 9 50-592- Left Side 0 23-5 Horizontal Drain Pan (Optional) 509-23- Back 2 S50-593- Right Side 55-- Evaporator Front Fill 05223 Right Drain Pan Angle 5 S23- Drain Pan 553-7- Front Door 7 55-2- Evaporator Access Plate 527-3 Base 9 05Y223 Left Drain Pan Angle 20-352 Drain Pan Support Clip GTA300UDAA GTA0UDAA Page 7 of
COMPRESSOR SECTION 2 3 5 7 27 2 25 2 23 9 30 2 0 5 29 3 22 2 20 9 2 7 SEP-577 A Page of
COMPRESSOR SECTION Drawing No. Part No. Description 50-59- Side 2 2 2 2 2 2 2 59-- Left Corner 3 509-22- Back S97-07 3-Ton Water Coil Assembly S97-0 -Ton Water Coil Assembly S97-09 5-Ton Water Coil Assembly S97-0239 3-Ton Cupronickel Coil Assembly S97-020 -Ton Cupronickel Coil Assembly S97-02 5-Ton Cupronickel Coil Assembly 5 S539-237 Condenser Duct Assembly S07-2- Top 7 Y35 Left Condenser Top Rail 03-0 Condenser Hold Down Offset 9 5 Right Condenser Top Rail 0 0-099 Low Pressure Switch (55 PSIG Open) Yellow 0-09 Low Pressure Switch (75 PSIG Open) Blue 2 97-07 Desuperheater Coil Assembly NS NS 000-379 000-32 000-35 00-0 02-32 Compressor Compressor Compressor Compressor Grommet 5/-x.9 Compressor Bolt 550-039 Reversing Valve with 2V Solenoid Coil 550-00 Reversing Valve with 2V Solenoid Coil 5 S59-2- Right Corner See Control Panel Drawing 7 S553-75- Condenser Service Door 7000-02 3/" Male Coupling 9 527-37 Base 20 7000-0 3/" Male Coupling 2 S55-0- Front Panel 22 02-7 Water Temperature Limit 23 90-75 Circulating Pump Assembly 2 0-03 High Pressure Switch 25 25 0-00 0-03 Inlet Thermistor (Black Wires) Outlet Thermistor (Red Wires) 2 520-020 Filter Drier 27 55-20 Expansion Valve 27 55-2 Expansion Valve 27 55-22 Expansion Valve 2 S-2 Control Panel Cover 29 09-0 Closeout 2 2 2 2 2 2 30 02-222 /-20 Hex Threaded Insert 3 NS NS 0-39 55-0 02-22 Compressor Support Plate Grommet /-20 Hex Flange Nut GTC3S2-ADC GTCS2-ADC GTC0S2-ADC GTC3S2-ADN GTCS2-ADN GTC0S2-ADN Page 9 of
COMPRESSOR SECTION 2 3 5 2 7 0 9 SEP-579 Page 0 of
COMPRESSOR SECTION Drawing No. Part No. Description 7-29 Control Panel 2 07-029 Terminal Strip 3 20- Desuperheater Control Board 20-0 Geothermal Logic Control 5 0-033 2-Pole Contactor 20 Amp 5 0-03 2-Pole Contactor 0 Amp -00 Terminal 2 2 2 7 07-030 Screw to Tab Terminal Block 552-035 Capacitor 0MFD 370V 552-095 Capacitor 30MFD 370V 552-09 Capacitor 0MFD 0V 9 550-00 Capacitor Bracket 9 550-035 Capacitor Bracket 0 3000-52 Wire Assembly 3000-53 Wire Assembly 2-03 Mini Circuit Breaker 3 Amp 2 2 2 20-0 Relay -052 3.5 Amp Glass Mini Fuse GTC3S2-ADC GTCS2-ADC GTC0S2-ADC Page of