Thermo Pride OH16-125 Operation Manual Download | Manualshive

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Summary of Contents for OH16-125

Page 1: ...CINITY OF THIS OR ANY OTHER APPLIANCE INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER REFERRED TO IN THESE INSTRUCTIONS AS A QUALIFIED HEATING CO...

Page 2: ......

Page 3: ...I BLOWER CONTROL INFORMATION 1 A TERMINAL DEFINITIONS FIELD WIRING 1 B WIRING SWITCHES 2 C INPUTS 4 D OUTPUTS 4 E OPERATING MODES 5 F CFM TABLES 7 G ECM SPECIFIC REPLACEMENT PARTS 8 III ECM TROUBLESH...

Page 4: ...mon ground W Thermostat call for heat R 24 VAC to thermostat G Thermostat call for fan Y Thermostat call for cool DEHUM Humidistat call for dehumidification TXV systems ONLY Thermostat Humidistat conn...

Page 5: ...All installations and services must be performed by qualified service personnel 2 CC_COM Compressor Contactor Common...

Page 6: ...and services must be performed by qualified service personnel 3 B WIRING SWITCHES OH16 OL16 20 LOWBOY Figure 1 BLOWER WIRING TURN OFF THE ELECTRICAL POWER to the furnace before attempting to disconne...

Page 7: ...All installations and services must be performed by qualified service personnel 4 Figure 2 BOARD LAYOUT WITH SWITCHES BLOWER CFM...

Page 8: ...R This input has an indicator LED that will light when the control receives a call for cooling Refer to the Cool Mode section for the control operation Thermostat call for dehumidification DEHUM 24 V...

Page 9: ...tor CFM LED This green LED will flash once for every 100CFM the blower is producing E Operating Modes Standby Mode All outputs are off and the control is waiting for a thermostat demand The thermostat...

Page 10: ...he burner is brought on They will continue at that speed until the delay time has elapsed The control remains in steady heat mode until the thermostat is satisfied When the call for heat signal is rem...

Page 11: ...re enacted when heat is called This allows independent selection of heating and cooling capacity parameters See the CFM Tables for speeds F CFM TABLES The following tables contain blower speed setting...

Page 12: ...e green Input Status LEDs are driven by the Y W G and DEHUM inputs and are located directly below those inputs They will light to indicate the presence of these signals The red Board Status LED has tw...

Page 13: ...ake sure blower wheel is tight on shaft Perform motor control replacement check Motor oscillates up down while being tested off of blower It is normal for motor to oscillate with no load on shaft Moto...

Page 14: ...loops Locate connectors above 7 and 4 o clock positions Use authorized motor and control model s for replacement Replace one motor or control model with another unless an authorized replacement Keep...

Page 15: ...ervices must be performed by qualified service personnel 12 Figure 3 ECM PIN CONNECTORS Troubleshooting table above and Figure 2 adapted from GE Industrial Systems publication GED 7161C Troubleshootin...

Page 16: ...TO MOTOR IF CONNECTIONS ARE GOOD AND MOTOR STILL DOES NOT RUN REPLACE MOTOR THIS GUIDE SHOULD BE USED IN THE CASE OF A STOPPED OR MANFUNCTIONED ECM BLOWER MOTOR THE FOLLOWING SHOULD HELP ESTABLISH THE...

Page 17: ...Status LED Off 1 HEAT mode On 2 BLOWER HEAT 3 Status LED Flashes 1 COOL mode On 2 Blower On Delay Started 3 Condenser On 4 Status LED On continuous 1 FAN mode On 2 BLOWER LOW 3 Status LED On continuo...

Page 18: ...Fire Connect 2 Stage T stat to both W1 and W2 Single Stage T stat W2 Connect single stage T stat to W2 only BLOWER Speeds HEAT The Heating Blower speed selected by positions 1 2 3 of SW1 CFM tables o...

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