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CDV7 Series Gas Fireplace

22

69D2027

MIllIVolt opERatING INStRuCtIoNS

a. 

This appliance is equipped with a pilot which must be lit with built-in piezo ignitor while 
following these instructions exactly.

B. 

BEFORE OPERATING smell all around the appliance 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:

 

•  Turn off all gas to the appliance.

 

•  Open windows. 

 

•  Do not attempt to light any appliance.

 

•  Do not touch any electric 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.

C.  

Use only your hand to push in, or turn the gas control knob. Never use tools. If the knob will 
not push in or turn by hand, don't try to repair it. Call a qualified service technician. Force 
or attempted repair may result in a fire or explosion.

D. 

 Do not use this appliance if any part of it has been under water. Immediately call a qualified 

service technician to inspect the appliance and to replace any part of the control system 
and any gas control that has been under water.

If  you  do  not  follow  these  instruction 
exactly,  a  fire  or  explosion  may  result 
causing property damage, personal injury 
or loss of life.

W

ARNING

 FOR yOUR SAFETy READ bEFORE LIGhTING 

LIGhTING pILOT FOR ThE FIRST TIME  

INITIAL LIGhTING 

Purge air from the supply line as follows: 
 

•  Open main shutoff valve.

 

•  Unscrew main pressure test point.

 

•  Leave inlet test screw open until gas comes in.

 

•  When gas is flowing, tighten inlet screw immediately. 

LEAk TESTING

1.  Follow the pipe from the gas supply line connection to the gas valve. Check connection for 

leaks with soap and water mixture. 

2.  Next check for gas leaks at the burner with soap and water mixture.
3.   Check the pilot for gas leaks with soap and water mixture.

Never  use  an  open  flame  to 

check for gas leak. 

W

ARNING

Summary of Contents for CDVR36NV7CE

Page 1: ... property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier 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 unless a certified kit is used DUETOHIGHTEMPERATURES THEAPPLIANCE SHOULD BE LOCATED OUT OF TRAFFIC AND AWAY FROM FU...

Page 2: ...Optional DC Remote Systems 19 PLEASE READ THE INSTALLATION OPERATING INSTRUCTIONS BEFORE USING APPLIANCE Thank you and congratulations on your purchase of a MHSC fireplace IMPORTANT Read all instructions and warnings carefully before starting installation Failure to follow these instructions fully may result in a possible fire hazard and will void the warranty Glass Removal 20 Log Placement 20 Roc...

Page 3: ...ice person The glass door must be properly seated and sealed If this unit is not properly installed by a qualified service person with glass door properly seated and sealed combustion leakage can occur CARBON MONOXIDE POISONING Early signs of carbon monoxide poisoning are similar to the flu with headaches dizziness and or nausea If you have these signs the fireplace may not have been installed pro...

Page 4: ...ce person to arrange for replacement of the unit 18 Do not operate fireplace if any log is broken 19 Do not use a blower insert heat exchanger insert or any other accessory not approved for use with this fireplace 20 Do not operate the fireplace with glass door removed cracked or broken IMPORTANT PLEASE READ THE FOLLOWING CAREFULLY It is normal for fireplaces fabricated of steel to give off some e...

Page 5: ...bustible material includes but is not limited to stone brick and mortar Noncombustibles are safe to overlay the black painted metal face includ ing radiant plates and do not pose a fire hazard Do not allow any noncombustible finish material to extend past or interfere with fireplace opening The classification combustible material includes but is not limited to plywood drywall and particle board Co...

Page 6: ... 39 991 mm 2956QE 738 mm 20 6 518 mm 156M 32 mm 15 16 33 mm 3756O 953 mm Minimum Rough Opening Width Minimum Rough Opening Depth 1 2 13 mm 5 8 5 8 16 mm 1 2 Minimum Rough Opening Height C L 5 8 16 mm 1 2 13 mm 5 8 16 mm 1 2 13 mm 32 813 mm 5 6QE 138 mm 5 2 6 Q E 1 3 3 2 m m 3756QE 941 mm 1556O 394 mm 3756QE 941 mm 2 6 5 6 M 6 6 7 m m 38 6 981 mm 692027 CDV7 DIMS 1 2 or 5 8 ...

Page 7: ...nector and Shut off Valve firebox framing FOR CDVR Firebox framing can be built before or after the appliance is set in place Construct firebox framing following Figure 2 for your specific installation requirements Refer to Figure 2 for firebox dimensions The framing headers may rest on the top of the firebox standoffs Do not bring headers below top of standoffs The firebox may be installed direct...

Page 8: ... heat from appliance Never obstruct the front opening of the fireplace Do not install in the vicinity where gasoline or other flammable liquids may be stored Vent pipe routing See Venting section found in this manual for allowable venting configura tions These units can be installed in a bedroom See National Fuel Gas Code ANSI Z233 1 NFPA 54 current edition the Uniform Mechanical Code current edit...

Page 9: ...13 330 mm Minimum fP2032 wall clearances Figure 4 Ceiling and Side Wall Clearances FP2032 Ceiling Side Wall Combustible Mantel FP2285 36 mantel clearances 12 305 mm 256O 64 mm 13 330 mm 12 305 mm Finish Wall Header Stud Standoff Top of Heat Exhaust Vent FP2285 Side View mantel clearances NOTE The combustible area above the facing must not protrude more than 3 4 19 mm from the facing If it does it ...

Page 10: ... Flange Screws Screw Nailing Flange Nailing Flanges Drywall Support Tabs Do Not Use for Framing or Header Screw Screw FP2671 Finishing Material NOTE Any wiring i e remote control wall switch and optional fan must be done prior to final finishing to avoid costly reconstruction Only noncombustible materials i e brick tile slate steel or other materials with a UL fire rating of Zero may be used to co...

Page 11: ... vent components can be used All restrictions clearances and allowanc es that pertain to the rigid piping apply to the flexible venting Flex kits may not be modified Flex kits may be added to the end of a vent run made of rigid vent sections using pipe manufacturer s approved flex to pipe adapt ers This may occur only if doing so does not violate any of the venting length height routing horizontal...

Page 12: ... assembly above the meter regulator assembly 5 m above the meter regulator assy I Clearance to service regulator vent outlet 3 91 cm 3 91 cm J Clearance to nonmechanical air supply inlet 6 15 cm for appliances 10 000 6 15 cm for appliances to building or the combustion air inlet to any BTU h 3kW 12 30 cm for 10 000 BTU h 3kW 9 other appliances appliances 10 000 BTU h 3kW and 23 cm for appliances 1...

Page 13: ...minimum between termination caps 2 All mechanical air intakes within 10 1 m of a termination cap must be a minimum of 3 914 mm below the termination cap 3 All gravity air intakes within 3 914 mm of a termination cap must be a minimum of 1 305 mm below the termination cap General Information Assembling Vent Pipes Only venting components manufactured by MHSC may be used in Direct Vent systems Flex V...

Page 14: ... is 7 2 1 m the horizontal run to the face of the outer wall must not exceed 8 2 4 m 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 2 4 6 8 10121416 1820 eg A FP2291 vent graph X 6 0 1 2 1 8 6 1 5 5 4 9 4 3 3 7 3 0 2 4 12 2 11 6 11 0 10 3 9 8 9 1 8 5 7 9 7 3 6 7 6 1 5 5 4 9 4 3 3 7 3 0 2 4 1 8 1 2 60 Feet Meters Vertical Dimension from the Floor of Unit to the Center of the Horizontal Ven...

Page 15: ... MHSC venting components are approved to be used in these applications Refer to Venting Compo nents listed for different installation requirements The maximum horizontal distance between the rear of the appliance or end of the transition elbow in a cor ner application and the outside face of the rear wall is 20 508 mm Figure 14 Only one 45 elbow is allowed in these installations Minimum clearances...

Page 16: ...ing at the appliance flue collars Fig ure 16 Attach the termination to the wall as outlined in the instruction sheet supplied with the termination VentING installation VO584 100 Vent Opening 2 99 djt Vent Opening for Combustible Walls 9B 244 mm Min Fireplace Hearth Framing Detail Opening for Noncombustible Wall 7Z x 190 mm Fireplace Hearth FP2293 Figure 15 Locate vent opening on wall 9B 244 mm Min...

Page 17: ...ecessary gas connections to this appliance CAUTION A manual shutoff valve must be installed upstream of the appliance Union tee and plugged pressure tapping point should be installed upstream of the appliance Figure 17 NOTE The gas line connection may be made using 1 2 rigid tubing or an approved flex connector Since some municipalities have additional local codes it is always best to consult your...

Page 18: ...o high Figure 19 After taking pressure reading be sure and turn captured screw clockwise firmly to reseal Do not over torque Check test points for gas leaks FP1979 Millivolt gas valve FP1979 Figure 19 Gas Pressure Check at Gas Valve Pressure Test IN Pressure Test OUT HI LO Knob Pilot Adjustment Screw Electrical Wiring This fireplace will work without any electrical supply Electricity is only neede...

Page 19: ...e Figure 20 Wiring Diagram for Wall Switch Electrical installation Remote Wall Switch Position the wall switch Do not extend beyond the 15 feet 5 m of wire Optional DC Remote Systems See section entitled Hearth Mount in the Millivolt hand held remote instructions supplied with the remote 1 Using a flat head screw driver bend the remote tabs up from the bottom of the fireplace Figure 21 2 Follow th...

Page 20: ...s or smaller Cover the entire surface of the burner with one thin layer of rock wool 3 Place the logs on the burner Refer to the Log Placement Section Light the unit and after 15 minutes check burner flame and glow Adjust embers as necessary to achieve an even and clean flame FP2297 remove glass Figure 22 Remove Glass Frame Glass Frame Clamps FP2297 CAUTION Each clamp has a quick spring force When...

Page 21: ...t the narrow end of the top left log behind the center vertical grate bar lava rock and ember placement Sprinkle lava rock on the floor of the inner combustion chamber Evenly distribute the rock Do not pile the lava rock up in front of grate Do not place lava rock on the burner If desired purchase optional embers to decorate the floor of the fireplace Figure 24 Log Placement Top Left Log 3 Top Rig...

Page 22: ...lified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part of it has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that has been under water If you do not follow these instruction exactly a fire or explosion may result caus...

Page 23: ...iod of time when the magnet is closed it is possible to start the lighting operation The gas control knob is designed to be operated by hand DO NOT use any tools during this operation Damaged knobs may result in serious injury WARNING 1 Depress and turn knob counterclockwise to pilot position 2 Depress fully and hold pilot gas knob Depress piezoigniterasmanytimesasneededtoignitepilot Keep knob ful...

Page 24: ...This switch allows you to turn on and to turn off the main burner without using the gas valve knob Make sure the button is in the ON position to light the main burner Figure 26 Lighting the burner Depress and turn the knob counterclockwise to the ON position Figure 27 It will take less than four 4 seconds for the burner to ignite Pilot position Depress and turn knob to pilot position to keep burne...

Page 25: ... lint or foreign material with a brush or vacuum Burner Flame The flames from the burner should be visually checked as soon as the heater is installed and periodically during normal operation In normal operation at full rate and after operating for about 15 to 30 minutes the flame should be yellow and slightly taller than the rear log Figure 31 If the flame is blue and only in the center turn off ...

Page 26: ...aterials may be used Handle glass door with care to avoid striking or scratching it on hard objects To clean glass door follow Glass Removal procedure outlined in the Final Installation section Film deposit on the inside of the glass should be cleaned off using a nontoxic non corrosive non abrasive mild cleaning solution Simply apply an adequate amount to the glass and wipe off with a damp cloth A...

Page 27: ...as valve is fully inserted and tight Disconnect the thermocouple from the valve place one millivolt lead wire on the tip of the thermocouple and the other meter lead wire on the thermocouple copper lead Start the pilot and hold the valve knob in If the millivolt reading is less than 15 mV replace pilot assembly B If thermocouple is producing more than 15 mV replace faulty valve A Check switch and ...

Page 28: ...or maximum flame impingement on thermocouple A Check for flue product leak Replace defective pipe sec tion B Check horizontal venting piping is running upward 1 4 per foot 1 50 Do not run the pipe level or downward C Check for proper installation and freedom from debris or blockage A Install log set per the instructions Inspect the injector and air intake area Make sure this area does not have any...

Page 29: ...CDV7 Series Gas Fireplace 69D2027 29 replacement parts firebox components 1 2 3 4 CDVR Series 5 5 7 ...

Page 30: ...Installed Service Parts 2 Brass Louver 6 26D0701K 4 Firebrick Rear Cottage Clay 1 69D0040 4 Firebrick Rear Tavern Brown 1 69D0044 5 Firebrick Right Left Cottage Clay 2 69D0042 5 Firebrick Right Left Tavern Brown 2 69D0046 6 Blower Motor not shown 1 26D0748 Accessories Field Installed Options 2 Brass Louver 1 L32BR 2 Pewter Louver 1 L32PW 7 Curved Design Brass Trim 1 BRTK32C 7 Curved Design Pewter ...

Page 31: ...CDV7 Series Gas Fireplace 69D2027 31 replacement parts Standing Pilot Millivolt control 1 2C 2I 2T 2 4 5 6 3 8 9 7 10 11 12 13 692027 CDV millivolt parts ...

Page 32: ...069 2T Replacement Thermopile 1 37D1068 3 Burner Tube 1 69D0034 4 Rocker Switch 1 41D0048 5 Piezo Igniter 1 14D0503 6 Injector 1 59D0062 7 Burner Assembly 1 54D0001 8 Venturi 1 69D1119 9 Wire Assembly 1 44D0500 9 Wire Assembly 1 44D0501 Accessories Item Description Qty Part Number 10 Thermostatic Remote Control 1 RCST RCT RCSTE RCSTEB RCSITE WWTD 11 Remote Control ON OFF 1 RCB RCMT RCBE WMTD 12 Wa...

Page 33: ...CDV7 Series Gas Fireplace 69D2027 33 1 3 2 693011 cdv log parts logs REPLACEMENT PARTS Item Description Part no 1 Rear Log 54D0181 2 Right Log 54D0116 3 Left Log 54D0115 ...

Page 34: ...12 18 Adjustable Vent Length 47TL1218 35 64 Adjustable Vent Length 47TL3564 8 Vent Pipe 4 pack 47TL8 4 12 Vent Pipe 4 pack 47TL12 4 24 Vent Pipe 4 pack 47TL24 4 36 Vent Pipe 47TL36 36 Vent Pipe 30 pack 47TL36 30 48 Vent Pipe 47TL48 48 Vent Pipe 30 pack 47TL48 30 T Lock Elbows 45 Elbow for Vertical Horizontal Offset 47TLE45 45 Elbow for Vertical Offsets 8 pack 47TLE45 8 90 Elbow for Vertical Horizo...

Page 35: ...ll also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident neglect misuse abuse alterations negligence of others including the installation thereof by unqualified installers 2 the costs of removal reinstallation or transportation of defective parts on the app...

Page 36: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com ...

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