background image

 

 

 

 

 

 

 

 

 

 

 

THERMO PRODUCTS, LLC. 

 

 

                                       POST OFFICE BOX 237 

 

 

 

 

 

DENTON, NC  27239

 

 

 

 

 

 

PHONE: 800- 476-4328  

 

 

 

 
MG-1065   

ECN 5633-MA 220124

 

MADE IN USA 

 

 

 
 

GAS-FIRED FURNACE 

DOWNFLOW & DIRECT VENT (SEALED COMBUSTION)   

MODELS:  

GMA1-60D48N, GMA1-75D48N 
GMC1-60D48N, GMC1-75D48N 

INSTALLATION AND SERVICE MANUAL 

 

For installation in: 
1.  Manufactured Homes 
2.  Modular Homes/Buildings 

 

 

      

  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 

 
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE 
PERFORMING ANY SERVICE OR MAINTENANCE.  THESE INSTRUCTIONS MUST BE LEFT WITH THE USER 
AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL. 
 
VEUILLEZ LIRE CES INSTRUCTIONS AVANT L'INSTALLATION, LA MISE À FEU INITIALE ET AVANT TOUT 
ENTRETIEN OU MAINTENANCE. CES INSTRUCTIONS DOIVENT ÊTRE LAISSÉES À L'UTILISATEUR ET 
DOIVENT ÊTRE CONSERVÉES POUR RÉFÉRENCE ULTÉRIEURE PAR UN PERSONNEL DE MAINTENANCE 
QUALIFIÉ. 

             

 

Summary of Contents for GMA1-60D48N

Page 1: ...Homes Buildings PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION INITIAL FIRING AND BEFORE PERFORMING ANY SERVICE OR MAINTENANCE THESE INSTRUCTIONS MUST BE LEFT WITH THE USER AND SHOULD BE RETAINE...

Page 2: ......

Page 3: ...OPERATION OF THE FURNACE 6 Initial Start Up 6 Adjustment of Heat Input 7 Burner Adjustment 8 Setting Temperature Rise 8 Furnace Check Out Procedure 8 Instructions to Our Customer End User 8 SERVICE 9...

Page 4: ...n recovering your claim against the transportation company Warranties c WARNING The manufacturer of this equipment assumes no liability for any damages resulting from unauthorized modifications made t...

Page 5: ...e Improper installation may create a fire hazard and damage internal equipment as well as void all manufacturers warranties For best performance locate the furnace so that it is centralized with respe...

Page 6: ...terials located in the return air system must have a flame spread classification of 200 or less Wiring materials located in the return air duct system must conform to Article 300 22 of the latest edit...

Page 7: ...With the gas piping pressurized all gas piping connections must be leak tested using a strong soap and water solution Any leaks must be repaired immediately after turning off the gas supply A final te...

Page 8: ...ly L1 Hot line to the Black wire labeled LI Connect the power supply L2 Neutral to the white wire labeled L2 Connect the Power Supply Ground wire to the Green Wire Secure all connections with the yell...

Page 9: ...9 2 001 3 000 30 26 2 10mm 42 3 001 4 000 30 27 45 2 30mm 4 001 5 000 1 8 28 2 00mm 43 5 001 6 000 31 29 1 95mm 2 20mm 6 001 7 000 31 29 48 2 15mm 7 001 8 000 32 30 49 45 8 001 9 000 33 1 8 50 2 00mm...

Page 10: ...connected to the Heat terminal on the integrated furnace control with one of the higher speed blower leads attached to a terminal marked Park Be sure to attach any unused blower leads to a terminal ma...

Page 11: ...ire control should be replaced as the control is not field repairable If the sensed failure is in the system external to the control the LED will flash in the following flash pause sequences to indica...

Page 12: ...s Yes No No Yes ARE WIRES CONNECTED PROPERLY No CORRECT WIRE CONNECTIONS No Yes Yes No Yes IS THE INDUCER BLOWER OPERATING Yes TROUBLESHOOTING GUIDE THE SYSTEM IS STARTED BY SETTING THE THERMOSTAT TO...

Page 13: ...ER TERMINALS IND IND N AT THE INTEGRATED CONTROL CHECK THE INTEGRATED CONTROL DIAGNOSTIC LED LAMP RESET BY INTERRUPTING POWER TO CONTROL FOR MORE THAN ONE SECOND IF LED STAYS ON CONTINUOUSLY REPLACE I...

Page 14: ...ROOF OF FLAME CHECK Yes CHECK ACROSS THE CIRCULATING AIR BLOWER TERMINALS CIR N HEAT FOR PROPER VOLTAGE REPLACE THE INTEGRATED CONTROL No No Yes DOES THE CIRCULATING AIR FAN COME ON WHEN ENERGIZED No...

Page 15: ...NS CHECK FOR SHORT IN WIRE TO THERMOSTAT AND CORRECT IF NECESSARY DOES BURNER SHUT OFF WHEN THERMOSTAT IS SATISFIED No No No Yes Yes Yes Yes Yes IS LED LIGHT ON INTEGRATED CONTROL FLASHING DOES THE CI...

Page 16: ...replaced to ensure proper venting Vent pipes should also be inspected for any signs of corrosion deterioration or leakage that may cause combustion by products to infiltrate the home or indoor enviro...

Page 17: ...g for signs of excessive heat such as discoloration of components materials damaged from rust or corrosion soot or carbon build up EXTERIOR OF FURNACES The furnace exterior should be inspected for sig...

Page 18: ...All installations and services must be performed by qualified service personnel 16 APPENDIX A REPLACEMENT PARTS GMA1 SERIES...

Page 19: ...All installations and services must be performed by qualified service personnel 17 GMA1 SERIES...

Page 20: ...All installations and services must be performed by qualified service personnel 18 GMC1 SERIES...

Page 21: ...All installations and services must be performed by qualified service personnel 19 GMC1 SERIES...

Page 22: ...All installations and services must be performed by qualified service personnel 20 GMA1 GMC1 SERIES BURNER ASEMBLY...

Page 23: ...All installations and services must be performed by qualified service personnel 21 APPENDIX B WIRING DIAGRAM REVISE...

Page 24: ...ce Motor Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 01 2 95 2 90 2 82 2 70 2 62 2 53 ML 4 06 3 84 3 75 3 62 3 48 3 34 3 13 MH 5 43 5 29 5 16 5 01 4 74 4 58 4...

Page 25: ...ace Motor Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 01 2 95 2 90 2 82 2 70 2 62 2 53 ML 4 06 3 84 3 75 3 62 3 48 3 34 3 13 MH 5 43 5 29 5 16 5 01 4 74 4 58...

Page 26: ...Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 04 2 93 2 88 2 79 2 72 2 64 2 53 ML 3 85 3 78 3 66 3 55 3 45 3 31 3 15 MH 5 40 5 23 5 06 4 88 4 70 4 52 4 30 High...

Page 27: ...ace Motor Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 04 2 93 2 88 2 79 2 72 2 64 2 53 ML 3 85 3 78 3 66 3 55 3 45 3 31 3 15 MH 5 40 5 23 5 06 4 88 4 70 4 52...

Reviews: