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GMA1-75 

ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE 

COOLING UNIT 

HTG 

Speed 

Recommended CLG 

Speed 

24,000 

MED LOW 

LOW 

30,000 

MED LOW 

MEDIUM LOW 

36,000 

MED LOW 

MEDIUM HIGH 

42,000 

MED LOW 

MEDIUM HIGH 

48,000 

MED LOW 

HIGH 

 
 

Speed Tap \ 
Static 
Pressure 

Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 

0.1 

0.2 

0.3 

0.4 

0.5 

0.6 

0.7 

Low 

735 

721 

707 

683 

621 

586 

536 

ML 

951 

939 

924 

897 

880 

845 

766 

MH 

1304 

1260 

1254 

1207 

1178 

1221 

1057 

High 

1551 

1513 

1466 

1430 

1369 

1314 

1244 

 

 
 
 
 
 
 
 
 
               

Speed Tap \ 
Static 
Pressure                            

Furnace 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 

4.31 

High 

6.63 

6.49 

6.30 

6.17 

5.96 

5.76 

5.54 

 

Speed Tap \ 
Static 
Pressure 

Furnace Motor Watts vs. External Static pressure (in. WC.) 

0.1 

0.2 

0.3 

0.4 

0.5 

0.6 

0.7 

Low 

296 

294 

292 

290 

279 

276 

268 

ML 

411 

397 

390 

378 

370 

361 

342 

MH 

582 

572 

560 

542 

529 

506 

482 

High 

734 

724 

705 

694 

671 

658 

632 

 
 

 

 

 

 

 
 
 
 

 

 

 

 

 

Speed Tap \ 
Static 
Pressure 

Temperature Rise vs. External Static Pressure (in. WC.) 

0.1 

0.2 

0.3 

0.4 

0.5 

0.6 

0.7 

Low 

75 

77 

78 

81 

89 

94 

103 

ML 

58 

59 

60 

61 

63 

65 

72 

MH 

42 

44 

44 

46 

47 

49 

52 

High 

35 

36 

37 

38 

40 

42 

44 

 

Recommended operation range 

Содержание GMA1-60D48N

Страница 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...

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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