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All installations and services must be performed by qualified service personnel.

 

 

4

ALCOVE INSTALLATION 

In this application, a minimum of 18 inches of clearance 

must

 be provided to the front of the unit. Refer to Figure 

3. 

 
 
 
 
 

 

   

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                        

   

GMA1/GMC1 SERIES 

 

                                               

 

 

Figure 3  

 

 

CLOSET INSTALLATION 

c

 WARNING: 

HAZARD OF ASPHYXIATION: A 

suction effect will occur when the furnace is 
operating inside the closet with the closet door 
closed.  For proper operation, the furnace blower 
shall create no more than a 0.05-inch water column 
pressure differential between the closet and the 
adjoining space. 

 

c

 WARNING: 

Do not obstruct any return air 

openings, including the return grille on the furnace.  
To do so may cause the furnace to activate the high 
temperature limit and shutdown, or it may cause 
asphyxiation. 

 

 
 
 
 
                                         
   

 

 

 
 
 
 
 
 
 
 
                                                                                                  
 
                                                                                                
 
 
 

   

 

 

  GMA1/GMC1 SERIES

 

   

Figure 4  

 

     The return air opening into the closet is to have a 

minimum free area of 250 square inches, (refer to 
Figure 4). 

 

     The return air opening may be located in the top, the 

center or the bottom of the closet door, or sidewall.  

 

c

 WARNING: 

Do not obstruct any return air 

openings, including the return grille on the furnace.  
To do so may cause the furnace to activate the high 
temperature limit and shutdown, or it may cause 
asphyxiation. 

 

The cross-sectional area of the return air grille leading 
into the closet (when located in the floor or ceiling) shall 
not be less than 250 square inches. 

 

Materials 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 edition of the 
National Electrical Code, NFPA 70.  

 

Gas piping shall not be located in, or extend through, the 
return air duct system.  

 

ROOF JACK 

The roof jack assembly and accessories must be listed 
by a nationally recognized testing agency for the 
appropriate heating fuel. See Table 2 for the Roof jack 
Models approved to be used with the GMA / GMC 
furnace. 

 

Manufacture 

Model 

Length below 
Flashing 

Thermo Products, LLC 

TRJC-2 

20” to 36” 

Thermo Products, LLC 

TRJC-3 

27” to 47” 

Nortek 

(F,S)AW1523-
(0,2,4)(A,S) 

15" to 23" 

Nortek 

(F,S)AW2135-
(0,2,4)(A,S) 

21" to 35” 

Nortek 

(F,S)AW2747-
(0,2,4)(A,S 

27" to 47” 

JCI 

4000-7121/C: 

15" to 26" 

JCI 

4000-7141/C 

23" to 44" 

JCI 

4000-7151/C 

30" to 47" 

TABLE 2 

 

The roof jack assembly must be installed according to 
the instructions provided with the Roof Jack prior to the 
furnace installation.  (Refer to Figure 3 for flue cutout).  
Adapters for pitched roofs as well as extended barrel 
length roof jacks are available from Thermo Products 
and/or other suppliers.  

 

All vent seams and connections must be sealed with 
high temperature silicone caulk. 

 

 DC-BASE COMBUSTIBLE FLOOR BASE

 

Make the floor cutouts as shown in Figure 5. 
 
Measure the distance from the surface of the floor to the 
top of the supply duct.  Cut the DC-BASE assembly 
connector duct to equal the measured distance. 
 
Place the locating bracket (supplied with the DC-BASE 
assembly) on the back edge of the floor opening. The 

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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