Table of Contents
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Models #CMB-31
#CMB-31-RF
CAMBRIDGE
Direct Vent Gas Fireplace Insert
INSTALLATION & OPERATING
MANUAL
READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLATION.
FAILURE TO INSTALL THIS FIREPLACE INSERT CORRECTLY CAN
CAUSE SERIOUS STRUCTURAL AND FIRE HAZARDS AND MAY VOID
IMPORTANT:
YOUR WARRANTY.
This fireplace may be covered under one or more of
the following U.S. Patents: #5,931,154 , #6,004,493, #6,029,655
www.kozyheat.com
WARNING: If the information in these
instructions are not followed exactly, a fire or
explosion may result causing 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 electrical switches; do not use the
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 supplier.
This appliance may be installed in an aftermarket
permanently located, manufactured home (USA only) or
mobile home, where not prohibited by local codes. This
appliance is only for use with the type(s) of gas indicated
on the rating plate. This appliance is convertible for use
with other gases, an LP gas conversion kit is included.
INDEX
April 2006
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Related Manuals for kozy heat CAMBRIDGE CMB-31
Summary of Contents for kozy heat CAMBRIDGE CMB-31
- Page 1 WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Models #CMB-31 Do not store or use gasoline or other flammable vapors #CMB-31-RF and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS: CAMBRIDGE ‚...
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Page 2: Table Of Contents
Fireplace Insert Specifications ............. . . 1 Safety Requirements . - Page 3 MODEL: #CMB-31 / #CMB-31-RF CAMBRIDGE DIRECT VENT GAS FIREPLACE INSERT INSTALLATION & OPERATING INSTRUCTIONS IMPORTANT: READ THIS MANUAL BEFORE INSTALLING AND USING THIS FIREPLACE This fireplace has been tested to and complies with ANSI Z21.88-2005 CSA 2.33-2005 “VENTED GAS FIREPLACE HEATERS” by OMNI-Test Laboratories, Beaverton, Oregon for U.S.
- Page 4 MEASUREMENT FROM FIREPLACE BASE TO TOP OF CHIMNEY:_____ achieve minimum opening size requirements. If this LESS 19½” (HEIGHT OF FIREPLACE): -19½” method is used, the Kozy Heat Floor Protector kit, Part TOTAL CHIMNEY LENGTH REQUIRED: ______ #CMB-FLP, must be installed to protect any combustible flooring exposed.
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Page 5: Fireplace Insert Specifications
FIREPLACE COMPONENTS: Check the assembly diagram below to ensure you have all the necessary components to properly install this fireplace insert. This insert includes the following: 1. Fireplace insert. 4. Co-linear air duct 2. Spring-loaded latch glass assembly. 5. Log set (See page #13) 3. - Page 6 ZERO CLEARANCE FIREPLACE INSTALLATIONS: The floor of the existing fireplace may be removed to achieve minimum opening size requirements. If this method is used, the Kozy Heat Floor Protector kit, Part #CMB-FLP, must be installed to protect any combustible flooring exposed.
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Page 7: Glass Assembly
Figure B-1 This fireplace is designed to accept either a 3/8" NOTE: This appliance and its individual shut off valve or 1/2" gas line approved for gas appliances. must be disconnected from the gas supply Consult local building codes to properly size the piping system during any pressure testing of gas supply line leading to a 3/8"... -
Page 8: Remove The Air Duct
A) Locate the spring-loaded latches securing the glass assembly (under the firebox). B) While holding onto the glass frame, pull the latch handles out, then down to release from the clips on the glass assembly. C) Lift the glass assembly up off the tabs at the top of the firebox. -
Page 9: Model #Cmb-31
wiring to the pre-installed electrical box is desired, the wiring should be run prior to permanently setting the insert in place and connecting the vent system. NOTE: If this insert is being installed in the minimum opening dimensions, the wiring may need to be completed after the fireplace insert is set in place. -
Page 10: Installing The Insert
An electrical box & romex connector are pre-installed on a removable panel on the right side of the fireplace. A duplex receptacle and cover is included in the fireplace components packet. If wiring to the pre-installed electrical box is desired, the wiring should be completed prior to permanently setting the insert in place and connecting the vent system. - Page 11 KOZY HEAT #816-CL CO-LINEAR VENT SYSTEM: The co-linear pipe included in this vent system is designed to extend up to 30 ft. IMPORTANT: The 3" exhaust pipe and exhaust collar on the termination cap can be identified by the label attached to each end of the pipe and the label on the collar.
- Page 12 DO NOT ATTEMPT TO TIE ONE ROPE AROUND BOTH PIPES. A. Guide the rope, if used, and flexible pipes down the existing chimney. Figure E-2 B. To secure the chimney termination cap to the existing chimney, apply a liberal bead of sealant (provided) around the top of the existing chimney.
- Page 13 3. CONNECT THE VENT SYSTEM TO THE AIR DUCT A. Place the air duct into the existing fireplace opening. Figure E-4 B. Place a bead of sealant (provided) around the 3” exhaust pipe (with label) and slide it inside the 3" collar marked ‘Exhaust’...
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Page 14: Complete The Gas Line Installation
Figure F-2 4. Secure the air duct onto the insert by positioning the air duct into the channels at the top of the insert and sliding the air duct forward until it stops. Figures F-4 & F-5 Position air duct into the channels and slide forward. -
Page 15: Check Millivolt Board Installation
1. This fireplace is designed to accept either a 3/8" or ½" gas line approved for gas appliances. Consult local building codes to properly size the gas supply line leading to a 3/8" reduction. 2. Run the gas line into the fireplace, preferably through the left gas line hole. A gas line knock-out is also located in the outer bottom of the insert when running the gas line through the bottom. - Page 16 1. Secure the electrical access panel to the side of the fireplace. 2. Place the thermostatic control switch on the bottom of the fireplace. 3. Plug the cord into the receptacle in the electrical box. 4. Turn the speed control counter-clockwise until it ‘clicks’. This is the ‘OFF’ position. 5.
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Page 17: Install The Lower Grill
(1) Upper Hood (1) Lower grill ASSEMBLE THE SHROUD - Figure J-1 1. Attach the upper hood to the shroud top piece by aligning the holes on the top flange on the hood to the corresponding mounting holes on lower inside flange of NOTE: Screws (A) &... -
Page 18: Complete The Installation
K. LOG INSTALLATION - Log Set #CMB-500 This log set includes 11 logs and 1 pkg. rock wool burning embers. Note: Each log is numbered on the bottom and should be installed according to the instructions and diagrams below. 1. Install base logs, C1, C2, C3, onto the burner as shown in Figure K-1, aligning the mounting holes in the bottom of the logs to the mounting studs in the burner. - Page 19 THIS STEP SHOULD ONLY BE DONE BY A QUALIFIED INSTALLER OR SERVICE TECHNICIAN: A) Perform lighting and shutdown procedures as described on pages #19-20. This should be done prior to replacing the glass so that any necessary adjustments can be made and proper operation and log position verified. 2.
- Page 20 CAUTION: DO NOT CONNECT HIGH VOLTAGE (115V) WIRE TO THE GAS VALVE! Figure M-1 If desired, a thermostat (wireless style available), wall switch, or remote control assembly may be used to turn the fireplace ‘OFF’ and ‘ON’. Only ONE of these may be installed. Follow instructions included with each assembly.
- Page 21 N. MODEL #CMB-31 ONLY: LIGHTING AND SHUTDOWN PROCEDURES NOTE: Prior to lighting, check all fittings for leakage. This is accomplished by applying soapy water on all connections made. If there is any leakage, bubbles will appear at the point of connection. If bubbles occur, tighten the fittings until the bubbles no longer appear. IMPORTANT: TEST ALL CONNECTIONS WHETHER FIELD OR FACTORY MADE.
- Page 22 is lit. Release knob and it will pop back out. Pilot should remain lit. If it goes out, repeat steps 4 through 8. *If knob does not pop out when released, stop and immediately call your service technician or gas supplier. *If the pilot will not stay lit after several tries, turn the gas control knob to "OFF"...
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Page 23: Model #Cmb-31
IMPORTANT NOTICE: A pressure check tap for both the manifold (outgoing) and inlet (incoming) pressure has been incorporated into the valve by HONEYWELL Controls. The left pressure tap is the manifold pressure and the right pressure tap measures the incoming pressure. Follow the instructions below for proper pressure testing procedures. TO CHECK THE MANIFOLD PRESSURE: 1. - Page 24 any leakage, bubbles will appear at the point of connection. If bubbles occur, tighten the fittings until the bubbles no longer appear. IMPORTANT: TEST ALL CONNECTIONS WHETHER FIELD OR FACTORY MADE. NOTE: The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of ½...
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Page 25: Model #Cmb-31-Rf
LOCAL position, the main burner will turn on immediately. IMPORTANT: On the initial use of a transmitter, a recognition operation is required between the receiver / valve and the transmitter. Turn the gas control to the PILOT position. Move the LOCAL / REMOTE switch to the LOCAL position for at least two seconds, then move the switch to the REMOTE position. -
Page 26: Maintenance Requirements
IMPORTANT NOTICE: A pressure check tap for both the manifold (outgoing) and inlet (incoming) pressure has been incorporated into the valve by HONEYWELL Controls. The left pressure tap is the manifold pressure and the right pressure tap measures the incoming pressure. Follow the instructions below for proper pressure testing procedures. NOTE: Both the inlet and outlet pressure taps have a captive screw. - Page 27 year by a professional service person. removing & reinstalling the burner & cover assembly. NOTE: INSTALLATION AND REPAIR SHOULD BE DONE 7. Visually check for blocked port holes, especially ONLY BY A QUALIFIED SERVICE PERSON. THE APPLIANCE near the pilot. Blocked port holes may cause SHOULD BE INSPECTED BEFORE USE AND AT LEAST delayed ignition.
- Page 28 P. MILLIVOLT BOARD REMOVAL & INSTALLATION. See Figures P-1 - P-3. REMOVE THE MILLIVOLT BOARD ASSEMBLY: Open the doors or lower grill to access the gas valve & controls. NOTE: It is not necessary to remove the shroud or full door shroud to remove the millivolt board.
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Page 29: Troubleshooting Guide
NOTE: The millivolt board must be fitted with a gasket, (included) to seal the board. Make certain this gasket is properly placed around the opening before installing the millivolt board. Grasp the millivolt board with both hands and place into the insert firebox, aligning the (6) mounting holes in the board to the mounting studs on the bottom of the firebox. - Page 30 WARNING: DO NOT ATTEMPT TO SERVICE THIS UNIT IF YOU ARE NOT A QUALIFIED INSTALLER OR REPAIRMAN. If the fireplace fails to ignite, a qualified service person should check the fireplace installation. It is imperative that the control compartment, burner and circulation air passageways of the unit be kept clean. This is necessary to provide adequate combustion and ventilation air.
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Page 31: Replacement Parts
Rocker switch not turned “ON”. (Model CMB-31) Depress switch. Rocker switch wires not connected. (Model CMB-31) Check wiring diagram Figure Q-1 to ensure that all wires are secure. Generator wires loose at regulator terminals Reposition wire an tighten screws. See Figures Q-1 &... - Page 32 MILIIVOLT BOARD AND PARTS - CMB-31 CMB-800 Cambridge Millivolt Board - Natural Gas 700-224 3/8" Flexible Gas Line - Valve to Burner connection 700-023 On/Off Rocker Switch 700-237 Natural Gas orifice #37 700-057 Honeywell valve- Natural Gas 700-252 LP Gas #52 700-059 Thermocouple OCK-H37N...
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Page 33: Warranty Policy
Warranty Policy Page 31... - Page 34 Warranty Policy Page 32...