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THERMOSTATICALLY CONTROLLED WALL MOUNTED

UNVENTED GAS HEATER WIR1-WIR2

(Equipped with Pilot Light Safety System)

WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing property damage, personal injury, or loss of life.

-  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.

- Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

- If you cannot reach your gas supplier, call the fire

department.

- Installation and service must be performed by a

qualified installer, service agency, or the gas suppli-
er. 

WARNING:

Improper

installation,adjustment, alteration,
service, or maintenance can cause
injury or property damage. Refer
to this manual for correct installa-
tion and operational procedures.
For assistance or additional infor-
mation consult a qualified installer,
service agency, or the gas supplier.

WARNING:

This is an unvented

gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air must
be provided. Refer to Air for
Combustion and Ventilation 
section
on page 4 of this manual.

This appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, not prohibited by local codes. This appliance is only for use with the type of
gas indicated on the rating plate. This appliance is not convertible for use with other gases.

* Aftermarket: completion of sale, not for purpose of resale, from the manufacturer

SAVE THIS MANUAL FOR FUTURE REFERENCE

WIR 2  26-06-2003  18:21  Pagina 1

Summary of Contents for WIR1

Page 1: ... suppli er WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installa tion and operational procedures For assistance or additional infor mation consult a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxy gen from the room in which it is ins...

Page 2: ... heater Improper use of this heater can cause seri ous injury or death from burns fire explo sion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death WARNING Any change to this heater or its control can be dangerous WARNING Do not use any accessory not approved for use with this heater Due to high temperatures the appliance should be located out of tra...

Page 3: ...e flammable liquids or vapors are used or stored under dusty conditions 9 Do not use heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the con trol system and any gas control which has been under water 10 Turn off and unplug heater and let cool before servicing Only a qualified service person should service...

Page 4: ...ollowing ventilation classification 1 Unusually Tight Contruction 2 Unconfined Space 3 Confined Space The information on page 4 through 6 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must ...

Page 5: ...y the space volume by 20 to deter mine the maximum Btu Hr the space can support ________ volume of space x 20 51 200 maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appli ances in the space Vent free heater ____________ Btu Hr Gas water heater ____________ Btu Hr Gas furnace ____________ B...

Page 6: ...st provide two permanent open ings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors These spaces include attics and crawl spaces Follow the National Fuel gas Code ANSI Z223 1 NFA 54 section air for combustion and ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic h...

Page 7: ...h your primary heating system Do not install this heater as your primary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as you primary heat source WARNING A qualified service person must install heater Follow all local codes WARN...

Page 8: ... inches of water If you do not reduce incoming gas pressure heater regula tor damage could occur Install the external regulator with the vent pointing down as shown in figure 6 Pointing the vent down pro tects it from freezing rain or sleet 8 WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator WARNING A qualified service person must connect hea...

Page 9: ...tem by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for nat ural gas or using compressed air 4 Check all joints of gas supply piping sys tem Apply a non corrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconn...

Page 10: ...ONNEC TIONS 1 Open equipment shutoff valve see figure A 2 For natural gas open main gas valve locat ed on or near gas meter For propane LP gas open propane LP supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from equipment shutoff valve thermostat gas valve see figure 8 9 or 10 Apply a non corrosive leak detection fluid to all joints Bubbles form ing s...

Page 11: ...low the safety information If you don t smell gas go to the next step 5 Turn thermostat control knob counterclock wise to the pilot position Press in thermostat control knob for 5 seconds see fig 11 Note you may be running this heater for the first time after hooking up to gas supply If so you may need to press in control knob for 30 seconds or more This will allow air to bleed from the gas system...

Page 12: ...ntrol knob clockwise to the PILOT position Shutting off heater Turn thermostat control knob clockwise to the OFF position INSPECTING HEATER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure shows a correct pilot flame pattern Figure 13 shows an incorrect pilot flame pat tern The incorrect pilot flame is not touching the thermocouple This will cause the thermo coup...

Page 13: ...6 shows a incorrect burner flame pattern If burner flame pattern is incorrect as shown in figure 16 turn heater off see to turn off gas to appli ance page 12 see troubleshooting pages 16 through 18 13 correct burner fig 16 fig 15 incorrect burner WIR 2 26 06 2003 18 21 Pagina 13 ...

Page 14: ... the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot for dust and dirt 3 Blow air through the ports slots and holes in the burner 4 Never insert objects into the pilot tube Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly see figure 14 With the unit off lightl...

Page 15: ...l numbers of your heater how heater was malfunctioning Type of gas used natural gas purchase date Usually we will ask you to return the defective part to the factory Heater ratings in british thermal units per hour BTUH Model Model Setting Input BTUH Type gas Pressure regulator setting Orifice Drill size n of radiators Inlet gas pressure inches of water LP GAS NAT GAS pilot ON pilot ON 400 13660 1...

Page 16: ...ombustion 1 Burner orifice is clogged or damaged 2 Low line pressure 3 Ods pilot is partially clogged 1 Open window and or door for ventilation 2 Contact local natural gas company 3 Clean ODS pilot see cleaning and maintenace page Gas odor even when con trol knob is in OFF posi tion 1 Gas leak See warning statement at top of page 2 Thermostat control valve defective 1 Locate and correct all leaks ...

Page 17: ...on 1 Turn on gas supply or open equipment shutoff valve 2 Fully press in control knob while pressing ignitor button 3 Continue holding down control knob Repeat igniting opera tion until air is removed 4 Clean ODS pilot see cleaning and maintenance page 14 or replace ODS pilot assembly 5 Replace gas regulator 6 Turn control knob to pilot position When ignitor button is pressed in there is a spark a...

Page 18: ...dor dur ing initial operation 1 Residues from manufacturing processes 1 Problem will stop after a few hours of operation Heater produces whistling noise when burner is lit 1 turning control knob to HIGH position when burner is cold 2 Air in gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner ori fice 1 Turn control knob to LOW position and let warm up for a minute 2 Op...

Page 19: ...cidents Also consequential and incidental damages resulting from the use of this product or arising out of any breach of contract or breach of this warranty are not recoverable under this warranty Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you How Do You Get Service If repairs become necessary or spare parts ...

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