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10

Installation Instructions and Owner’s Manual

Unvented Natural Gas Vent Free Room Heaters

Equipment 

Shutoff Valve

Open

Closed

Figure 15

WARNING:

 Electrical Grounding Instructions: This 

heater is equipped with a three-prong (grounding) 

plug for your protection against shock hazard and 

should be plugged into a properly grounded three-

prong receptacle. 

OPERATING YOUR HEATER
FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING:

 If you do not follow these instructions 

exactly, a fire or explosion may result causing prop-

erty damage, personal injury or loss of life. 
A.  This appliance has a pilot which must be lighted 

by pushing the ignitor button. When lighting the 

pilot, follow these instructions exactly.

B.  BEFORE LIGHTING smell all around the appli-

ance area for gas. Be sure to smell next to the 

floor because some gas is heavier than air and 

will settle on the floor.

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.

• 

Immediately call your gas supplier from a 

neighbor’s phone. Follow the gas supplier’s 

instructions.

• 

If you can not reach your gas supplier, call the 

fire department.

C.  Use only your hand to push in or turn the gas 

control knob. Never use tools. If knob will not 

push in or turn by hand, don’t try to repair it call 

a qualified service technician or gas supplier. 

Force or attempted repair may result in a fire or 

explosion.

D.  Do not use this appliance if any part has been 

underwater. Immediately call a qualified service 

Pressure Testing Heater Gas Connections:

1.  Make sure that the heater supply piping sys-

tem is connected and has been leak tested as 

described above.

2.  Make sure control knob of heater is in OFF 

position.

3.  Open equipment shutoff valve (see figure 13). 
4.  Open main gas valve on or near gas meter.
5.  Check all joints from equipment shutoff valve 

to control valve (see figure 14). Apply mixture 

of liquid soap and water to gas joints. Bubbles 

forming show a leak.

6.  Correct all leaks at once.
7.  Light heater (see 

Operating Your Heater

, pages 

10 and 11. Check the rest of the internal joints 

for leaks. 

8.  Turn off heater (see 

To Turn OFF Gas to Appli-

ance

, page 11.

9.  Replace lower front panel. 

Figure 13

Figure 14

ELECTRICAL WIRING DIAGRAM:

If any original wiring as supplied with the heater must 

be replaced, it must be replaced with type AWG 105

o

wire or its equivalent except as indicated.

Control Valve

Equipment 

Shutoff Valve

To gas meter

Summary of Contents for 000 BTU Blue Flame Heaters

Page 1: ...om the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Fresh Air for Combustion and Ventilation section on page 4 of this manual WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For assistance or additi...

Page 2: ...mable material on or near the appliance Never place any objects on the heater Due to high temperatures heater should be kept out of traffic and away from furniture and draperies Surface of heater becomes very hot when running Keep children and adults away from hot surfaces to avoid burns or clothing igni tion Heater will remain hot for a time after shutdown Allow heater surfaces to cool before han...

Page 3: ...Keep all air openings in heater clear free of debris or any blockage This will insure that enough air for proper combustion enters the heater 4 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off it requires servicing 5 Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater 6 Do not r...

Page 4: ...g are excerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Com bustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space This heater must not be installed in a confined space or unusually tight construction unless provisions are pro vided for adequate combus...

Page 5: ... hr Vent Free Heater 20 000 Btu hr Total 60 000 Btu hr 4 Compare the maximum Btu hr the space can support with the actual amount of Btu hr used Example 51 800 Btu hr maximum Btu hr the space can support 60 000 Btu hr Actual amount of Btu hr used The space in the above example is a confined space because the actual Btu hr used is more than the maximum Btu hr the space can support You must provide a...

Page 6: ... sible provide greater clearances from the floor ceil ing and joining walls WARNING Rework worksheet adding the space of the adjoining unconfined space The combined space must have enough fresh air to supply all ap pliance in both spaces Ventilation from Outdoors If necessary provide extra fresh air by using ventila tion grills or ducts Connect these items directly to the outdoors or spaces open t...

Page 7: ...er will be located Make sure mounting bracket is level For wall stud mounting locate one end of the mounting bracket over a wall stud WARNING Maintain minimum clearances shown in figure 7 If you can provide greater clearances from the floor and joining wall 2 Mark screw locations on wall see figure 7 3 Remove tape and mount bracket from wall Figure 7 Attaching to Wall Stud For attaching mounting b...

Page 8: ...ing bottom mounting screw into wall stud drill holes at marked locations using 9 64 drill bit 5 Re place heater onto mounting bracket 6 Place spacers between bottom mounting holes and wall anchor or drilled hole 7 Hold spacer in place with one hand With the other hand insert mounting screw through bottom mounting hole and spacer Place tip of screw in opening of wall anchor or drilled hole 8 Tighte...

Page 9: ...abinet Ground Joint Union Equipment Shutoff Valve From Gas Meter 4 W C to 10 5 W C Pressure Tee Joint 1 8 NPT Plug Tap Cap Pipe Nipple Tee Joint 3 8 NPT Pipe Nipple Sediment Trap Test Gauge Connection Reducer Bushing to 1 8 NPT 3 Minimum taminants This keeps them from going into heater If sediment trap is not installed or is installed improperly heater may not run correctly IMPORTANT Hold pressure...

Page 10: ...your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been underwater Immediately call a qualified service Pressur...

Page 11: ...n Heater may need more frequent cleaning due to excess lent from carpeting bedding material pet hair etc Make sure grille guard is in place before running heater If screen or grille guard is removed for servicing it must be replaced prior to operating the heater technician to inspect the appliance and to re place any part of the control system which has been underwater LIGHTING INSTRUCTIONS 1 STOP...

Page 12: ...vacuum cleaner pressurized air or small soft bristled brush to clean CLEANING BURNER PILOT AIR HOLE INLET We recommend that you clean the unit ever 2 500 hours of operation or every three months We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 psig This can be done by using a...

Page 13: ...13 Installation Instructions and Owner s Manual Unvented Natural Gas Vent Free Room Heaters This page intentionally left blank ...

Page 14: ...gas regulator 6 Turn Control knob to pilot position When ignitor button is pressed in there is a spark at the ODS pilot but no ignition 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Equipment shutoff valve not fully open 4 Thermocouple damaged 5 Control valve damaged 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in for 30 seconds...

Page 15: ... ances see Figure 4 page 7 4 Clean burner orifice see Cleaning and Maintenance on pages 11 and 12 or replace burner orifice White powder residue forming within burner box or on adjacent walls or furni ture 1 When heated vapors from furniture polish wax carpet cleaners etc turn into white powder residue 1 Turn heater off when using furniture polish wax carpet cleaner or similar products Heater prod...

Page 16: ...hrough Friday Please include the model number date of purchase and description of problem in all communication LIMITED WARRANTY Mr Heater Inc warrants its heaters and accessories to be free from defects in material and workmanship for a period of 1 year from date of purchase Mr Heater Inc will repair or replace this product free of charge if it has been proven to be defective within the 1 year per...

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