REPLACEMENT PARTS MANUAL WATER SOURCE HEAT PUMPS MODELS: GTB-A GTA300UD-A GTA300UDAA GTA0UD-A GTA0UDAA GTC3S-ADC GTCS-ADC GTC0S-ADC GTC3S-ADN GTCS-ADN GTC0S-ADN Blower Section Coil Section Coil Section Coil Section Coil Section General Notes Contents 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. 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... Usage List... BMC, Inc. Bryan, Ohio 350 Manufactured under the following U.S. patent number:,7,5 Manual: 20-737E Supersedes: 20-737D File: Volume I, Tab Date: 0-2- Page of
BLOWER SECTION 2 2 9 3 9 5 20 7 SEP-57 Page 2 of
BLOWER SECTION D RAWING NO. PART NO. DESCRIPTION GTB-A 900-30 Complete Blower Assembly 2-35 Blower Mounting Plate 3 20-2 Motor Mount Band and Arms Kit -2 Blower Housing 5 3-77 Blower Offset S7-009-007 C7-009-007 3/ HP Programmed Motor with Control Motor Control Module Only 7 52-09 Blower Wheel 50-595- Side 9-0 Rear Blower Base Fill Plate S7-39 Base -00 Front Blower Base Fill Plate S553-0- Front Door 5-- Front Corner 50-59- Side S7-25- To p Y39 Blower Top Rail -222 /-20 Hex Threaded Inser t 3-7 Rear Securing Offset 9 9 Blower Top Rail 20 509-2- Back 2 See Control Panel Drawing Page 3 of
BLOWER SECTION 2 3 5 7 SEP-57 Page of
BLOWER SECTION D RAWING NO. PART NO. DESCRIPTION GTB-A S- 2-297 3 07-035 -09 5-03 -020 7 20-000-50 000-5 Lower Control Panel Cover Lower Control Pane 50VA Transforme Strain Relie 3 Amp Circuit Breake Strain Relie Electronic Control Modul Power Harnes ECM Control Harnes l r f r f e 3 s 3 s Page 5 of
"A" COIL SECTION 9 9 7 5 2 3 20 SEP-575 Page of
"A" COIL SECTION Drawing No. Part No. Description S9-0 Coil Assembly S9-0 Coil Assembly S9-0 Coated Coil Assembly S9-09 Coated Coil Assembly 2 00-00 Cooling Distributor 3 07-0 Terminal Block 55-2 Expansion Valve 55-2 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- Side 3-5 Horizontal Drain Pan (Optional) 509-23- Back S50-593- Side 5-- Evaporator Front Fill 523 Drain Pan Angle S3- Drain Pan 553-7- Front Door 5-- Evaporator Access Plate 527-3 Base 9 5Y23 Drain Pan Angle 20-352 Drain Pan Support Clip GTA300UD-A GTA0UD-A GTA300UDAA GTA0UDAA Page 7 of
COMPRESSOR SECTION 2 3 5 7 27 2 25 2 23 9 30 29 3 22 2 20 9 2 SEP-577 A Page of
COMPRESSOR SECTION D RAWING NO. PART NO. DESCRIPTION GTC3S-ADC GTCS-ADC GTC0S-ADC GTC3S-ADN GTCS-ADN GTC0S-ADN 50-59- Side 2 2 2 2 2 2 2 59-- Corner 3 509-22- Back S9-0 3-Ton Water Coil Assembly S9-0 -Ton Water Coil Assembly S9-09 5-Ton Water Coil Assembly S9-05 3-Ton Cupronickel Coil Assembly S9-0 -Ton Cupronickel Coil Assembly S9-07 5-Ton Cupronickel Coil Assembly 5 S539-237 Condenser Duct Assembly S7-2- To p 7 Y35 Condenser Top Rail 3-0 Condenser Hold Down Offset 9 Condenser Top Rail -099 Low Pressure Switch (55 PSIG Open) Yello w -09 Low Pressure Switch (75 PSIG Open) Blue 9-0 Desuperheater Coil Assembly 000-29 000-27 000-2 00-0 -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 S59-- Corner See Control Panel Drawing S553-75- Condenser Service Door 7000-02 3/" Male Coupling 9 527-37 Base 20 7000-0 3/" Male Coupling 2 S5-- Front Panel 22 02- Water Temperature Limit 23 9-5 Circulating Pump Assembly 2 0- High Pressure Switch 25 25 0-00 0-03 Inlet Thermistor (Black Wires) Outlet Thermistor (Red Wires) 2 520-020 Filter Drier 27 55-2 Expansion Valve 27 55-2 Expansion Valve 27 55-2 Expansion Valve 2 S- Control Panel Cover 29 09-0 Closeout 2 2 2 2 2 2 30-222 /-20 Hex Threaded Insert 3-355 55-0 -22 Compressor Support Plate Grommet /-20 Hex Flange Nut Page 9 of
COMPRESSOR SECTION 2 3 5 7 9 SEP-579 Page of
COMPRESSOR SECTION D RAWING NO. PART NO. DESCRIPTION GTC3S-ADC GTCS-ADC GTC0S-ADC 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 Termina l 2 2 2 7 07-030 Screw to Tab Terminal Block 552-035 Capacitor 0MFD 370V 552-07 Capacitor 5MFD 370V 552-0 Capacitor 0MFD 370V 9 550-007 Capacitor Bracket 3000-52 Wire Assembly 3000-53 Wire Assembly -03 Mini Circuit Breaker 3 Amp 2 2 2 20-0 Relay -052 3. Amp Glass Mini Fuse Page of