COZY C255H Owner'S Manual And Installation Instructions Download Page 35

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COZY TOP VENT GRAVITY GAS WALL HEATER

REF.

NO.

REPLACEMENT PART DESCRIPTION

PART NUMBER

Screw - #8Ax 3/8 (9)

P013200

Blower Grille

9C99

Screw - #8Ax 3/8 (8)

P093200

Screw - #10 x 1/2

P141000

Toggle Switch

P320911A

Wire Bridle

P320912

Flat Washer - #10-31 (2)

P127300

Machine Nut - #8-32 w/Washer (2)

P041100

Blower Body

9C102

Motor Mount Grommet (2)

P321078

Strain Relief Bushing

P012900

Fan Switch

P323097

Screw - #8-18 x 1/2’

P138200

Motor

P320905

Fan Blade

9B99

Orifice Plate

9D12-1

Junction Box Cover

9B161

MODEL NUMBER

2901

BLOWER ACCESSORY MODEL 2901 PARTS

Summary of Contents for C255H

Page 1: ...WARNING Do not install any of these furnaces natural or propane gas in mobile manufactured homes trucks or recreational vehicles WARNING This product can expose you to chemicals including epichlorohydrin which is known to the State of California to cause cancer and birth defects and or other reproductive harm For information go to www p65warnings ca gov WARNING Improper installation adjustment alt...

Page 2: ...SEQUENTIAL SPECIAL OR CONTINGENT DAMAGES OR EXPENSES ARISING DIRECTLY OR INDIRECTLY FROM ANY DEFECT IN THE PRODUCT OR ANY COMPONENT OR FROM THE USE THEREOF THE REMEDIES SET FORTH HEREINARE THE EXCLUSIVE REMEDIESAVAILABLE TO THE USERANDARE IN LIEU OFALL OTHER REMEDIES Some states do not allow limitation on how long an implied warranty lasts and some states do not allow the exclusion or limitation o...

Page 3: ...S LIGHTING THE PILOT INSTALLING YOUR BLOWER ACCESSORY HOW TO CARE FOR YOUR FURNACE INSTALLING YOUR MOTORIZED REAR OUTLET ACCESSORY PART NUMBERS FOR THE C255H C256H C355H C356H MODELS CONTROL ASSEMBLY REPLACEMENT PARTS C255H C256H C355H C356H MODELS PART NUMBERS FOR THE C505H C506H MODELS CONTROLASSEMBLY REPLACEMENT PARTS C505H C506H MODELS BLOWER ACCESSORY MODEL 2901 PARTS BLOWER ACCESSORY MODEL 2...

Page 4: ...ppliance to avoid property damage bodily injury or death 8 Vent the furnace directly to the outdoors so that harmful gases will not collect inside the building Follow the venting instructions for your type installation exactly Use only the type and size of vent pipe and fittings specified 9 Provide for adequate combustion and ventilation air See page 7 The flow of this air to the furnace must not ...

Page 5: ...installed system 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the Natural Gas and propane Installation Code CSA B149 1 and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe con...

Page 6: ...way New York NY 10018 In Canada CAN CGAB149 OPTIONAL ACCESSORIES Blower Accessories 2901 2907 May be used on all models and mounts on top of a furnace This blower increases circulation of warm air through the heated space A 115V outlet adjacent to the furnace is required Trim Strip Kit 4701 Provides a finished edge for sides of the wall furnace Free Standing Accessory 4901 May be used with single ...

Page 7: ...binets 2 Check the minimum spacing needs as shown in Figure 1 3 The top of the furnace must be at least 16 inches from the ceiling 4 When the furnace is properly installed with legs resting on the floor plate it sets the dimension from the face panel to the bare floor Approximately 2 1 2 inches depending on the thickness of floor plate 5 A protective barrier metal or wood cut to match the width an...

Page 8: ...ance to their previous conditions of use WARNING Danger of property damage bodily injury or loss of life The furnace and any other fuel burning appliances must be provided with enough fresh air for proper combustion and ventilation of flue gases Most homes will require that outside air be supplied into the heated area The high cost of energy for home heating has brought about new materials and met...

Page 9: ...ach appliance Hold a lit match two inches from the draft opening Figure 2 A No Spillage If the match flame pulls toward draft hood this indicates sufficient infiltration air Return exhausting devices and appliances to the condition you found them B Draft Hood Spills If there is spillage at a draft hood match goes out or flame wavers away from draft hood check for plugged flue connectors and chimne...

Page 10: ...H WATER HEATER VENTILATION GRILLES INTO CLOSET FOR HOT WATER HEATER EXAMPLES OF AIR INLETS AND OUTLETS WARNING Danger of illness bodily injury or death Draft hood spillage with unobstructed vents indicates that additional air must be brought into the structure from the outside Keep a window open minimum 2 inches near the appliance until a permanent air duct is installed CHIMNEY OR GAS VENT VENTILA...

Page 11: ...nal rear outlet register may be installed when the furnace is recessed into the wall In new construction install the rear outlet plaster ground at the same time you install the header plate For existing construction make the necessary cutout and install the plaster ground before you install the furnace See instructions packed with accessory and Figure 5 Do not allow wall finish material to project...

Page 12: ...OSS FACE IF ACCESSIBLE PLATE SPACER CEILING PLATE 14 3 8 2 X 4 STUD 2 X 4 STUD SURFACE MOUNT INSTALLATION The use of the optional Free Standing Accessory No 4901 allows single sided furnaces to be surface mounted instead of recessed into a wall This is ideal for remodeling existing masonry wall construction or when studding is substandard This kit drastically cuts installation time and eliminates ...

Page 13: ... Installation page 15 8 Set the furnace body into position Figure 9 page 16 The furnace legs will rest on the bottom of the base plate panel Utilizing the holes provided in the furnace legs secure the furnace to the brackets attached to the bottom panel with two 2 10 3 4 screws 9 Install the vent enclosure panel fastening it to the side rails with six 6 6 3 8 screws Trim the bottom of the panel to...

Page 14: ...INIMUM 1 INCH MIN CLEARANCE TO COMBUSTIBLES LISTED 4 ROUND B VENT OVAL TO ROUND ADAPTER OVAL B W VENT DOUBLE WALL PLATE SPACER RECESSED MOUNT 2 REQUIRED BASE PLATE HOLD DOWN OR STARTER PLATE SCREWED DOWN TO HEADER PLATE NOTE THESE PARTS ARE SUPPLIED WITH THE FURNACE GASKET HEADER PLATE AND GASKETS PROVIDED WITH FURNACE 50 000 BTU hr MODEL SERIES AND HEADER NOT SHOWN FLUE COLLAR GASKET NOT REQUIRED...

Page 15: ...s completely seated The hold down cleat will engage the groove in the vent pipe COMPLETE THE VENTING Type B W gas vent shall extend from the header plate of the furnace to a point above the highest ceiling plate within the stud space through which the vent passes without any offsets or crossovers The first vent pipe offset if required may not be any closer than 2 feet from the header and needs to ...

Page 16: ...bend it back and forth to break the top tabs Use caution when handling sharp metal edges CAUTION Do not install rear outlet kit where grille may be blocked by a door curtains or any other obstruction 25 000 35 000 BTU hr MODELS B W VENT INNER SHIELD KNOCKOUT PLATE ON OUTER SHIELD HOLD SCREWDRIVER SIDEWAYS AGAINST TABS AND STRIKE LIGHTLY WITH HAMMER 10 24 SPEED NUT BOTTOM OF FURNACE NAIL FURNACE LE...

Page 17: ...RIFICE DRILL DECIMAL QUANTITY C255H NATURAL 25 000 17 870 43 0 089 1 C256H PROPANE 25 000 17 870 057 1 C355H NATURAL 35 000 23 700 36 0 106 1 C356H PROPANE 35 000 23 700 069 1 C505H NATURAL 50 000 36 900 091 2 C506H PROPANE 50 000 36 900 058 2 GAS CONVERSION KITS NATURAL GAS TO PROPANE GAS 8913 255H 256H SERIES 8914 355H 356H SERIES 8909 505H 506H SERIES PROPANE GAS TO NATURAL GAS 8915 255H 256H S...

Page 18: ...2 PSI the furnace and manual shutoff valve must be disconnected during testing SEE WARNING Apply soap solution or a liquid detergent to each joint Bubbles forming indicate a leak Correct even the slightest leak at once WARNING Danger of property damage bodily injury or death Never use a match or open flame to test for leaks Never exceed specified pressures for testing Higher pressures may damage t...

Page 19: ...an be found in the attic Drill a 1 2 inch hole through the ceiling wall plate 4 Probe for obstructions in the partition Then drill a 1 2 inch hole through the wall at the selected location for the thermostat 5 From the attic feed the thermostat wire through the wall until even with the thermostat location 6 Snag the thermostat wire through the hole and pull the wire through the hole in the wall so...

Page 20: ...aving a scale range from 0 to 12 inches of water column should be used for this measurement The manifold pressure must be measured with the burner and pilot operating Any major changes in the flow must be made by changing the size of the burner orifice CHECK THE GAS INPUT NATURAL GAS ONLY Under firing could cause inadequate heat excessive condensation or ignition problems Over firing could cause s...

Page 21: ...several minutes to establish a pilot flame BURNER FLAME CHARACTERISTICS Start the furnace and let it operate at least ten minutes Open the access door to view the burner flame Limit your movements near the furnace a few more minutes before making your final observations The flame may look yellow due to dust particles in the room air The flame should change to a nice blue color with firm inner and ...

Page 22: ...ble 3 Open the control access panel 4 Push in gas control knob slightly and turn clockwise to OFF Do not force 5 Close the control access panel LIGHTING PILOT If furnace is equipped with a manual spark igniter follow next steps 1 Review all operating instructions above 2 When lighting pilot depress red button located on the lower right side of the burner compartment view pilot through glass observ...

Page 23: ...uilds up in the furnace and starts the fan if equipped The heated air comes out the front panel louvers 3 When the thermostat setting is reached it shuts off the main burner 4 The fan runs until the heat is removed from the furnace then it turns off if equipped Your furnace is equipped with a 100 safety pilot that will shut off the gas supply in case the pilot is not burning or functioning properl...

Page 24: ...e 23 Adjust flame as needed Turn screw counterclockwise to increase flame clockwise to decrease 2 Turn thermostat to highest setting Main burner should light quickly and smoothly Turn thermostat to lowest setting Main burner should go out Pilot should remain lit VENT SYSTEM Make sure that no parts of the venting system are blocked or rusted Clean or replace before using the furnace BURNER CLEANING...

Page 25: ...re B 5 Remove the two 2 screws securing the junction box cover Remove the cover to gain access to the knockout located in the junction box 6 Locate the knockout and remove it using a hammer and screwdriver Use caution when handling sharp metal edges 7 Place the blower body on furnace top as shown in Figure B 8 Route 115V wiring into the junction box through the knockout 9 Make wiring connections i...

Page 26: ...26 COZY TOP VENT GRAVITY GAS WALL HEATER FIGURE C WIRING FOR MODEL 2901 FIGURE D WIRING FOR MODEL 2907 HOW TO CARE FOR YOUR FURNACE ...

Page 27: ...r 1 Measure and mark wall for opening as shown in Figure A Check the wall for any electrical wiring present before cutting the opening Reroute existing electrical if necessary 2 If recessed mounted installation place the plaster ground in the opening and attach to the 2 x 4 studs 3 An embossed knockout plate is located on the rear of the outer shield and another is located directly behind it on th...

Page 28: ...OP VENT GRAVITY GAS WALL HEATER FIGURE C SURFACED MOUNTED INSTALLATION FIGURE D SURFACED MOUNTED INSTALLATION FIGURE E SURFACE MOUNTED INSTALLATION FIGURE F WIRING INSTALLING YOUR MOTORIZED REAR OUTLET ACCESSORY ...

Page 29: ...21826 P322055 8 Shield Assembly 9C213 9C213 9 Header 5902 5902 10 Burner Pan 9B296 9B296 11 Manual Spark Igniter P285500 P285500 12 Igniter Bracket 7A189 7A189 13 Pal Nut P285501 P285501 NOT SHOWN Header Insulation P310000 P310000 NOT SHOWN Parts Bag 9A496 9A496 NOT SHOWN Knob P332606 P332606 NOT SHOWN Vent Limit Switch Bracket P322074 P322074 Thermostat not included with these models SINGLE SIDED...

Page 30: ...30 COZY TOP VENT GRAVITY GAS WALL HEATER 1 2 3 4 5 6 7 8 9 10 11 12 13 EXPLODED VIEW REPLACEMENT PARTS CHART ...

Page 31: ...t 9B234 9B234 9B234 9B234 4 Manifold P323660 P323660 P323660 P323660 5 Burner Orifice 2 Required for 500 Series P090543 P090536 P332624 P332635 6 Pilot Generator Assembly P501617 P501617 P501618 P501618 7 Burner 2 Required for 500 Series P323648 P323648 P323648 P323648 8 Electrode P322276 P322276 P322276 P322276 MODEL NUMBERS C255H C355H C256H C356H CONTROL ASSEMBLY REPLACEMENT PARTS C255H C256H C...

Page 32: ...ft Hood 2 Required 9C170 9C170 10 Non Vision Shield 9C157 9C157 11 Inner Shield Top 2 Required 9C158 9C158 12 Burner Pan Assembly 9B251 9B251 13 Blower Heat Deflector 9A440 9A440 14 Manual Spark Igniter P285500 P285500 15 Igniter Bracket 7A189 7A189 16 Pal Nut P285501 P285501 NOT SHOWN Header Insulation P310000 P310000 NOT SHOWN Parts Bag 9A497 9A497 NOT SHOWN Knob P332606 P332606 NOT SHOWN Vent L...

Page 33: ...COZY TOP VENT GRAVITY GAS WALL HEATER 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 6 EXPLODED VIEW REPLACEMENT PARTS CHART ...

Page 34: ...nt Burner Bracket 9B243 9B243 4 Manifold P323661 P323661 5 Burner Orifice 2 Required for 500 Series P332625 P332623 6 Pilot Generator Assembly P322396 P322397 7 Burner 2 Required for 500 Series P323648 P323648 8 Electrode P322155 P322155 9 Pilot Mounting Plate 9A409 9A409 MODEL NUMBERS C505H C506H 1 2 3 4 5 6 7 8 9 CONTROL ASSEMBLY REPLACEMENT PARTS C505H C506H MODELS ...

Page 35: ...e Bridle P320912 7 Flat Washer 10 31 2 P127300 8 Machine Nut 8 32 w Washer 2 P041100 9 Blower Body 9C102 10 Motor Mount Grommet 2 P321078 11 Strain Relief Bushing P012900 12 Fan Switch P323097 13 Screw 8 18 x 1 2 P138200 14 Motor P320905 15 Fan Blade 9B99 16 Orifice Plate 9D12 1 17 Junction Box Cover 9B161 MODEL NUMBER 2901 1 1 2 3 3 1 1 1 1 1 1 9 8 4 15 16 14 12 13 10 11 5 17 7 7 6 BLOWER ACCESSO...

Page 36: ...7 4 Blower and Motor P323423 5 Heat Sensor Wire Assemblies P274202 P109600 6 Junction Box Cover 9A483 7 Fan Switch P323080 8 Blower Body 9B249 9 Heat Sensor Switch P323097 MODEL NUMBER 2907 Use only manufacturer s authorized parts NOTE Nuts bolts screws and washers are standard hardware items and may be purchased locally 1 2 3 4 5 6 7 8 9 BLOWER ACCESSORY MODEL 2907 PARTS ...

Page 37: ...sor Switch P323172 P323172 6 Fan Switch P323080 P323080 7 Motor and Blower P323423 P323423 8 Motor cover 9A435 9A462 9 Motor Housing Back Plate 9B266 9B284 10 Cord and Plug P323081 P323081 11 Bushing P323084 P323084 MODEL NUMBERS 6919 6920 Use only manufacturer s authorized parts NOTE Nuts bolts screws and washers are standard hardware items and may be purchased locally 1 2 3 4 5 6 7 8 9 10 11 MOT...

Page 38: ...h the valve placed in Pilot position Disconnect the thermostat wires The millivolt reading should be 450 millivolts or more d Remove thermostat wires from valve terminals If pilot now stays lit trace thermostat wiring circuit for a ground May be grounded to furnace gas supply nails or staples e Replace gas valve after above is verified a Turn gas valve knob to the ON b Set thermostat to a position...

Page 39: ...ual b Check installation Casing may be distorted by being fastened to an uneven opening or jammed under the header A restricted vent may create expansion noise Refer to Vent Installation section in this manual c Check vent system for a blocked flue excessive down draft wind or negative pressure in room caused by a ventilating fan or a fire in a fireplace d Furnace is possibly overrated check for h...

Page 40: ...l vent heating appliances or domestic hot water equipment where the bottom of the vent terminal and the air intake is installed below four feet above grade the following requirements must be satisfied 1 If there is not one already present on each floor level where there are bedroom s a carbon monoxide detector and alarm shall be placed in the living area outside the bedroom s The carbon monoxide d...

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