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Installation and Operating Manual
Model WFA-85/WFA-85E
All installations must be made in accordance with local and
provincial or state codes which may differ from the manual.
FOR COMMERCIAL USE ONLY (USA ONLY)
NOTICE: READ THESE INSTRUCTIONS SAVE
THESE INSTRUCTIONS
United States Stove Company
Report No. 0215WH057E
227 Industrial Park Rd.
CSA B415.1-11 (R2015)
D2210379B-4304G
South Pittsburg, TN 37380
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Table of Contents
Related Manuals for Newmac WFA-85
Summary of Contents for Newmac WFA-85
- Page 1 Installation and Operating Manual Model WFA-85/WFA-85E All installations must be made in accordance with local and provincial or state codes which may differ from the manual. FOR COMMERCIAL USE ONLY (USA ONLY) NOTICE: READ THESE INSTRUCTIONS SAVE THESE INSTRUCTIONS United States Stove Company Report No.
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Page 2: Installation
OPTIONAL NEWMAC MODEL NPB PELLET BURNER For furnaces to be equipped with the Newmac Model NPB, refer to the Pellet Burner Installation, Operating and Service Manual. Also observe certification and marking label requirements. OPTIONAL ECOTECH DIRECT DRIVE MOTOR AND BLOWER For furnaces be equipped with the high efficient multi-speed direct drive motor, refer to the Motor Installation Guide. - Page 3 FURNACE WIRING (When equipped with R8222A relay or equivalent) Comb. Control For connection with the blue wire from the electric section, when installed with the Newmac Electri Limit section. Models E10 to E25 Black Motor Draft Fan Green White Black wire for connection with...
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Page 4: Outside Combustion Air
Electrical Code, and with the regulations in C.S.A. Standard B365 “The Installation Code for Solid Fuel Burning Appliances and Equipment” in Canada. In the U.S., this furnace must be installed according to NFPA-211, “Standard for Chimneys, Fireplaces, Vents, and Solid-Fuel Burning Appliances”. The flue pipe must be black 24 ga pipe minimum. - Page 5 Burning Wood Operating Instructions When installation is complete, close the supply switch and turn the thermostat above room temperature. Check to make sure the forced draft fan above the fire door is operating when the thermostat is set above room temperature.
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Page 6: Primary Air
TYPES OF COMBUSTION AIR FOR WOOD HEATING Unlike older airtight heating appliances, low emission furnaces have more than one location and control for supplying combustion air into the firebox. These additional air inlets allow for near complete combustion of wood gases and particulates. -
Page 7: Power Failure
CAUTION: Do not operate furnace with the loading door open. Continuous operation with a door open will cause severe overheating and warping. This furnace is designed for Thermostatic operation. POWER FAILURE In case of prolonged power failure, remove the blower access door and air filters. The draft fan will be off, so if more combustion air is needed for the wood fire, open the slide plate damper in the firedoor. -
Page 8: Maintenance
Maintenance Failure to follow these instructions may result in poor efficiency, excessive corrosion of the heat exchanger and the possibility of a creosote fire. DAILY: Clean out Ashes. Ashes must be put in a metal container with a lid on it before moving the ashes to the outdoors. -
Page 9: For Safe Operation
• In the U.S., this furnace must be installed according to NFPA-211, “Standard for Chimneys, Fireplaces, Vents, and Solid-Fuel Burning Appliances”. • This furnace is designed to burn wood only, unless equipped with a Newmac Pellet Burner • Proper flue draft must be maintained to allow combustion gases to flow freely out the chimney. -
Page 10: Secondary Air System
The clips are welded to the inside of the re door opening INSTALLING BRICK 1. Place one (1) brick on end in the center at back of furnace 2. Place brick lock in furnace brick lock hooks 3. While holding brick lock up, place one (1) brick on end on top of brick previously placed in back (this should hold brick lock up to correct height) 4. - Page 11 SECONDARY AIR SYSTEM AND BAFFLE REMOVAL AND INSTALLATION 1. Gain access through firedoor 2. Lift the baffle off of the pins 3. Lift one side up and lower the other side and remove through the firedoor 4. Remove pins at the front and back of secondary the tubes 5.
- Page 12 THERMOSTAT CONTROLLED DRAFT FAN FOR PRIMARY AIR SMOKE PIPE AND CLEANOUT AIR FILTERS PRIMARY AIR INLET BLOWER ACCESS BLOWER DOOR FIREDOOR SLIDE PLATE DAMPER SAND OR ASHES SECONDARY AIR SLIDE PLATE SECONDARY AIR INLET GLASS FIREDOOR NOT AN OPTION ON MODEL WFA-85 WFA-85-CONTROL-LOCATIONS & COMBUSTION-AIR-FLOW-23102013.PRT -12-...
- Page 13 Physical Wire Location L4064R Blue From insert- Blue wire to fan terminal White wire to N terminal To Draft Fan Red line to terminal Terminal Block 120V N LINE FAN Without Insert White 120V supply to N terminal Black 120V supply to line terminal Ground to green screw Relay R8222A Red, White, Blue, Black wire is TEW 14/1...
- Page 14 Preparation Of Wood ONCE I HAVE MY WOOD AT THE LOCATION, HOW DO I PREPARE IT FOR BURNING? The wood must be cut to length to suit the firebox of the stove of the appliance in which it is to be burned. A log may be cut into the desired length.
- Page 15 Creosote And Chimney Fires Wood combustion is never perfectly complete. Wood smoke almost always contains some unburned gases and a fog of unburned tar-like liquids. Some of these materials will condense out of the flue gases onto any surface which is not too hot. The condensate is usually dark brown or black, and has an unpleasant acrid odor. It is called creosote.
- Page 16 Generally creosote is inevitable and must be lived with. Any kind of chimney deposit decreases the system’s heating efficiency. Soot and dried creosote accumulations have a significant insulating effect; less of the heat in the flue gases transferred into a building through dirty stovepipes and chimneys. The most annoying problem can be creosote dripping from a stovepipe or chimney, and the most dangerous problem is chimney fires, during which the creosote, or its pyrolyzed residue, burns.
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Page 17: Operation
The NEWMAC COMBINATION OIL AND WOOD FURNACE toasts the wood to charcoal and the charcoal burns to dust leaving a minute amount of residue. From the above heat values, it can be seen that a cord or hickory wood is equivalent to $248.22 (@ 30.0 cents litre) worth of oil, over twice as much as you would pay for a cord of wood. -
Page 18: Installation Instructions
Installation Instructions Models E10, E15, E20, E25 Electric Heating Section For Solid Fuel / Electric Furnace Model WFA-85 GENERAL It is the responsibility of the consignee of the unit to examine the package for damage and, if found, to note the same on the Carriers Bill of Lading. - Page 19 240 Volt Supply 18” 31” Place electrical unit directly into supply air of furnace 16” 32.5” 30” Screw adapter in place for WFA-70 Interlock wire into junction box or front channel CAUTION Only one source of electrical supply shall be used -19-...
- Page 20 Wiring WFA-85 & Electric Insert L4064 For connection with the blue Blower wire from the electric section Motor when installed with the Newmac Electric Section Disconnect black wire on transformer from previous Blue location. Cut red between limit & relay and connect...
- Page 21 Notes -21-...
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Page 22: Replacement Parts
Replacement Parts Hinge Pin (P626H) Belt 47” X 1/2 F & L Bracket - Welded Brick Rack Top Frame 83485 D2240047 610605 28160 Control Panel Draft-Control-Knob Weld Scraper Shovel Handle 610636 D2140006 D4080112 D3080161 12 x 24 X 1 Filter Side Panel - RH Side Panel - LH Draft Adjustment Plate... - Page 23 Replacement Parts Sec Air Slide Front Gasket Sec Air Back Plate SA Face Plate D4060276 D2080001 D4060275 D3160623 Draft Adjustment Face F/L Wiring Box Cover Front Panel D3010032 D4130102 28155 610638 Fan Partition Top Rail Access Door Fan Partition Door Insulation 610626 28144 610637...
- Page 24 Replacement Parts SMALL PANEL PULLEY 3 1/4 X 1/2 VS MTR DRAFT FAN PACKAGE Firedoor Chute Weld 28162 D2240001 D4100105 D4060189 Firedoor Liner Durolon Dovetail Gasket Firedoor Spacer Firedoor Spacer D3160464 D2080002 D2080003 D3160345 Inner Firedoor Welded Panel SECONDARY BOX WELDED COLL BACK CLEANOUT MOTOR,FAN 1/2HP .1725 ROPED...