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                 OPERATION, SERVICE AND  
              MAINTENANCE

 

INSTRUCTION

   

 

3035443

                                                                                                        

MP5157

 

 

   
 

 

ANSI Z83.8 (2016) 

– CSA 2.6M (2016) Gas-Fired Duct Furnace 

 

                        

 

!

                   

                WARNING:

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could result in serious injury,    
death or property damage. 

Be sure to read and understand the installation, operation and service 
instructions in this manual.

Improper installation, adjustment, alteration, service or maintenance can 
cause serious injury, death or property damage.

Do not store or use gasoline or other flammable vapors and liquids in the   
vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

· 

Do not try to light any appliance

· 

Do not touch any electrical switch; do not use any phone in your building

· 

Leave the building immediately

· 

Immediately call your gas supplier from a phone remote from the 
building. 

Follow the gas supplier’s instructions.

· 

If you cannot reach your gas supplier, call the fire department.

Installation must be performed by a qualified installer, service agency or gas 
supplier

.

 

 
 

 

This manual must be kept with the appliance for future reference. 

 
 

                              
 

 
Heatco Inc. 
50 Heatco Court 

 

 

 

 

 

 

 

 

 

Cartersville, GA 30120 

 

 

 

 

 

 

 

 

 

 

H(M,H)-USM-MAN-E-2016-12 

 

 

 

 

 

 

 

 

 

 

 

HM and HH SERIES 

DUCT FURNACE MODULE 

Summary of Contents for HH SERIES

Page 1: ...or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any ph...

Page 2: ...rt up 11 Manifold Pressure Adjustment 11 Gas Valves 12 Burner Flames 13 Shutdown 13 Normal Operation 13 Safety and Ignition Controls 14 Annual Maintenance Inspection 14 15 Installation Requirements Al...

Page 3: ...ent and maintenance of the furnace installed Provide at least 36 0 9m clearance for removal of access panel 11 Filters and filter rack components rated 250 oF 121 oC or less must be located a minimum...

Page 4: ...ces with vertical or horizontal top mounted burner trays to remove condensate from inside the heat exchanger Condensate drain lines must be connected if heater is located downstream of cooling section...

Page 5: ...enance Gas Supply Piping and Connections 1 Installation of piping must conform with local building codes and ordinances or in the absence of local codes with ANSI Z223 1 the National Fuel Gas Code In...

Page 6: ...Outdoor Horizontal Venting Combustion Air Opening AHU Cabinet Rain Hood Optional Flue Gas flow unobtructed Comb Blwr Mesh Screen AHU Cabinet Combustion Air Inlet Cover Mesh Screen Rain Hood Optional O...

Page 7: ...50 160 50 000 175 000 14653 51287 5 in 126 mm HMG200 400 HMD200 HHG200 360 200 000 400 000 58614 117228 6 in 152 mm HM A B 150 400 HHA150 400 150 000 400 000 43960 117228 6 in 152 mm HM A B G 500 600...

Page 8: ...not exceed 50 ft 15 25m Equivalent length of 5 or 6 inch 90o elbows is 5 ft 1 5 m and for a 7 inch 90o elbow is 7 feet 2 13 m 45o Elbows are half of the equivalent length of 90o The vent system must...

Page 9: ...pplied to systems for operation in separated combustion systems The furnace must be mounted with the burner section in a reasonably airtight vestibule compartment as these systems provide combustion a...

Page 10: ...lent length of vent pipe and air supply is 50 ft Individual runs should be approximately same length Figure 9 Horizontal Venting Separated Combustion Exterior Wall 18 in 0 45m Above grade or expected...

Page 11: ...es 10 Turn power on at disconnect switch 11 Set thermostat or controller to its highest position to initiate call for heat and maintain operation of unit 12 Draft inducer will run for a 15 to 30 secon...

Page 12: ...ure 10B White Rodgers 36H Gas Valve Figure 10C Honeywell V8944 Gas Valve 1 8 NPT Inlet Pressure Tap 2nd Stage Hi Fire Manifold Pressure Adjustment 3 32 Allen Key 1st Stage Lo Fire Manifold Pressure Ad...

Page 13: ...hanger tubes with stiff brush Poor flame characteristics can also be caused by undersized combustion air openings or flue gas recirculation into combustion air supply Increase air opening size or re d...

Page 14: ...itions the unit is equipped with a fixed temperature high limit switch mounted on the vestibule panel This switch will shut off gas to the heater through the ignition control module before the air tem...

Page 15: ...s valve to ensure that the gas valve seat is not leaking 6 Check wiring connections to be sure they are secure and inspect wiring for any deterioration 7 Label all wires prior to disconnection when se...

Page 16: ...16 Page left blank Heatco Inc 50 Heatco Court Cartersville Ga 30120...

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