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18

 

CIRCULATING AIR FILTERS 

 

This heater does not have provisions for insertion of circulating air filters into the casing. How-
ever, it is recommended that a filter grille is installed or filters are installed in the return air 
duct(s). If filters are installed in the return air duct the filter access must be sealed airtight. 
One of the most common causes of a problem in a forced air heating system is a blocked or 
dirty filter. Circulating air filters must be inspected monthly for dirt accumulation and replaced if 
necessary. Failure to maintain clean filters can cause premature heat exchanger failure. 
A new home may require more frequent replacement until all construction dust and dirt is re-
moved. 

 

CAUTION 

Before performing any service on this heater, including checking or replacing circulating air fil-
ters - disconnect the main power supply. 

DO NOT

 operate the heater for extended periods of time without circulating air filters in place. 

 

TEMPERATURE RISE 

 
The temperature difference between the supply air and the return air of the heater is known as 
the temperature rise. This heater is designed to operate within the temperature rise displayed 
on the heater series and rating plate. To ensure satisfactory performance, the temperature rise 
of the heater must be measured and adjusted, if necessary. Use the following procedure to 
measure and adjust the temperature rise; 

• 

Before starting the heater visually inspect all joints and seams in the supply and return air 
ducts for leaks. Repair them if necessary. 

• 

Adjust the room thermostat to obtain constant operation. 

• 

Allow the heater to operate for at least fifteen (15) minutes. 

• 

With an accurate thermometer measure the temperature at the return air. If a combination 
indoor / outdoor system is used, the temperature must be measured downstream of the 
connection. 

• 

Measure the outlet air at a point approximately 1/2 meter above the heater. It may be nec-
essary to measure the outlet air at several places to obtain an accurate average. NOTE: IF 
AN AIR CONDITIONING COIL IS INSTALLED ABOVE THE HEATER TAKE CARE SO AS 
NOT TO DAMAGE THAT COIL. 

• 

Adjust the temperature by changing circulating air blower speed tap. 

 

MOTOR LUBRICATION AND MAINTENANCE 

 

The circulating air blower is equipped with sleeve bearings that are permanently lubricated by 
the motor manufacturer and require no lubrication. At the time of the monthly filter inspection 
clean the exterior of the circulating air motor, especially around the perimeter air holes to pre-
vent the possibility of overheating due to an accumulation of dust or dirt on the windings and 
motor casing. As suggested elsewhere in these instructions, the air filters must be kept clean. 
Dirty filters will restrict the airflow over the motor windings and possibly cause an overheating 
condition. 
The venter motor bearings are prelubricated by the motor manufacturer and require no atten-
tion. 
 

 

Содержание GMP Series

Страница 1: ...re and the current state adjustments of the appliance are compatible FACTORY FITTED FOR NATURAL 2H 20 mbar 230V 50Hz 15A 2kW GAS SUPPLY PRESSURE BURNER PRESSURE COUNTRIES OF DESTINATION 2L G25 25Mbar...

Страница 2: ...SERVICE INSTRUCTIONS 19 SEQUENCE OF OPERATION 19 REMOVING AN EXISTING APPLIANCE 20 INSPECTING AND CLEANING THE HEAT EXCHANGER 21 ILLUSTRATIONS 22 24 TROUBLESHOOTING 25 26 WIRING DIAGRAM 27 TABLES 28...

Страница 3: ...6 MM 318 MM 075 32 35W BSPT 106 MM hp 1 40A 25 40 CM 15 24 CM 43 356 MM 318 MM 100 42 35W BSPT 106 MM hp 2 25A 25 40 CM 20 32 CM 43 446 MM 408 MM 125 52 35W BSPT 106 MM hp 4 70A 27 94 CM 25 40 CM 43 5...

Страница 4: ...1 54 4 B13701 54 4 B13701 54 4 15 B13768 51 16 B13680 34 B13680 34 B13680 16 B13680 00 B13680 34 B13680 46 17 25393 00 25393 00 25393 01 25393 03 18393 01 25393 00 18 B11416 64 B11416 64 B11416 64 B11...

Страница 5: ...5...

Страница 6: ...W AREAS AND MAY NOT DISPERSE NATURALLY UNLESS ALLOWED BY LOCAL CODE APPLIANCES SO FUELED SHALL NOT BE INSTALLED IN AN ABOVE GRADE UNDER FLOOR SPACE OR BASEMENT UNLESS SUCH LOCATION IS PROVIDED WITH AP...

Страница 7: ...EPT FREE OF ALL COMBUSTIBLE MATERIAL INCLUDING PETROL AND OTHER FLAMMABLE VAPORS AND LIQUIDS THE HEATER ROOM MUST NOT BE USED AS A BROOM CLOSET OR FOR ANY OTHER STORAGE PURPOSE WARNING THIS HEATER IS...

Страница 8: ...hould be at least a 100mm separation between these entries The vent of a lower input appliance must enter the vent above the higher capacity appliance The vent terminal must be located not less than 6...

Страница 9: ...REQUIRED IN ANY COMBINATION SHOWN GAS WATER HEATER FURNACE AIR FROM HEATED SPACE GABLE VENT VENTILATED ATTIC GABLE OR SOFFIT VENT SOFFIT VENTS NOTE EACH OPENING SHALL HAVE A FREE AREA OF NOT LESS THA...

Страница 10: ...END ABOVE INSULATION OUTLET AIR 6 45 cm2 PER 1 170 kW INTLET AIR 6 45 cm2 PER 1 170 kW VENTILATED CRAWL SPACE GAS WATER HEATER FURNACE MINIMUM OF ONE AIR INLET AND ONE AIR OUTLET REQUIRED IN ANY COMBI...

Страница 11: ...jacent location or the outdoors may become necessary When the heater is installed in a confined space the ductwork must be brought to a location outside that space It must also be sealed airtight to t...

Страница 12: ...crawl space combustion air ducts or direct open ings The following installations may require OUTDOOR AIR for combustion due to chemical expo sures Commercial buildings Hobby or craft rooms Indoor poo...

Страница 13: ...ure drop of 1 24 Mbar and a specific gravity of 0 60 natural gas PIPE LENGTH OF PIPE IN METERS SIZE 3 6 9 12 15 18 21 24 1 2 4 29 3 40 2 74 2 32 2 06 1 87 1 72 1 61 3 4 10 20 7 08 5 66 4 81 4 27 3 91...

Страница 14: ...SAPPEAR IN A SHORT AMOUNT OF TIME IT IS RECOMMENDED THAT THE DOORS AND WINDOWS BE OPENED UPON INITIAL START UP TO VENT THE BUILDING OF THIS NON TOXIC NON STAINING SMOKE CAUTION One of the most common...

Страница 15: ...RODUCTS INCLUDING CARBON MONOXIDE TO ENTER THE LIVING SPACE CREATING A POTENTIALLY HAZARDOUS CONDITION SUCH AS CARBON MONOXIDE POISONING OR DEATH ELECTRICAL SUPPLY CONNECTIONS The electrical requireme...

Страница 16: ...d rating plate Turn off gas and electrical supply remove manometers and replace any plugs that were removed Use a pipe joint compound that is suitable for use with L P gas Restore any other appliances...

Страница 17: ...ical supply to the heater reinstall the disconnected sensor wire and reset the power supply to restore the heater to its normal operation BLOWER DOOR INTERLOCK SWITCH The purpose of the switch is to d...

Страница 18: ...measure and adjust the temperature rise Before starting the heater visually inspect all joints and seams in the supply and return air ducts for leaks Repair them if necessary Adjust the room thermosta...

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