FMI CD42MCN-LS Owner'S Operation And Installation Manual Download Page 1

Page: 1 / 36

For more information, visit www.fmiproducts.com

WARNING: If the information in this manual is 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 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 quali

fied installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

DIRECT VENT FIREPLACE

OWNER’S OPERATION AND

INSTALLATION MANUAL

NATURAL GAS MODEL CD42MCN-LS

WITH THERMOSTATICALLY CONTROLLED

FAN AND DOOR SWITCH

PROPANE/LP GAS MODEL CD42MCP-LS

WITH THERMOSTATICALLY CONTROLLED

FAN AND DOOR SWITCH

PFS

f i r e - p a r t s . c o m

Summary of Contents for CD42MCN-LS

Page 1: ...hone in your building Immediatelycallyourgassupplierfromaneighbor 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 quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference DIRECT VENT FIREPLACE OW...

Page 2: ...andard CAN CSA Z240 MH Series in Canada This fireplace is only for use with the type s of gas indicated on the rating plate State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts SAVE THIS BOOK This book is valuable In addition to instructing you on how to install and maintain your appliance it also contains information that wi...

Page 3: ...diant heat transfer 2 Consider a location where the fireplace would not be affected by drafts air con ditioning ducts windows or doors 3 A location that avoids the cutting of joists or roof rafters makes ventilation installa tion easier The FMI PRODUCTS LLC warranty will be voided by and FMI PRODUCTS LLC disclaims any responsibility for the following actions A Modification to the fireplace compone...

Page 4: ...ipe If the glass door assembly and venting pipe are not properly seated connected and sealed carbon monoxide leakage spillage can occur Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the fireplace may not be work ing properly Get fresh air at once Have fireplace serviced Some people are more affected by...

Page 5: ...be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the appliance Do not use this fireplace to cook food or burn paper or other flam mable material This fireplace reaches high temperatures Keep children and adults away from hot surface to avoid burns or clothing ignition Fireplace will...

Page 6: ...ir blower when 120 VAC connection is supplied If you plan to install an optional blower do not forget to wire the fireplace outlet when framing PRE INSTALLATION PREPARATION Mantel Depth Mantel From Top of Opening 1 14 A 16 2 12 B 14 3 10 C 12 4 8 D 10 5 6 E 8 6 4 F 6 7 2 G 4 CAUTION Do not block required air spaces with insula tionoranyothermaterial Donot obstruct the effective opening of the appl...

Page 7: ...ive tempera tures which could cause a fire PRE INSTALLATION PREPARATION Continued Figure 3 Framing Dimension B A C Figure 4 Corner Installation A B E F G H D C Nailing Tabs WARNING Horizontal sec tions of this vent system require a minimum clearance of 2 from the top of the pipe and 1 mini mum to the sides and bottom Vertical sections of this system require a minimum of 1 clear ance to combustible...

Page 8: ...er than 50 000 36 91 cm in Canada if greater than 100 000 K clearance to a mechanical air supply inlet In Canada 6 ft 1 83m minimum In US 3 ft 91 cm above if within 10 ft 3 m horizontally L clearance above paved side walk or a paved driveway located on public property 84 213 3 cm minimum M clearance under veranda porch deck 12 30 5 cm minimum N clearance above a roof shall extend a minimum of 24 6...

Page 9: ...n line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than 1 2 in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector obse...

Page 10: ...king Lugs Vertical Flue Restrictor For Vertical Venting Application WARNING Read all instruc tionscompletelyandthoroughly before attempting installation Failure to do so could result in serious injury property dam age or loss of life Operation of improperly installed and main tained venting system could result in serious injury property damage or loss of life NOTICE Failuretofollowthesein structio...

Page 11: ... must be kept at a 1 ft to 4 ft ratio with a maximum run of no more than 20 ft If an offset is necessary in attic to avoid obstruction it is important to support vent pipe every 3 ft to avoid excessive stress on elbows and possible separation see Figure 8 INSTALLATION Continued Figure 8 Vertical Termination with Offset and Wall Strap Wall Strap Roof Flashing 45 Elbows Ceiling Firestop Horizontal T...

Page 12: ...rizontal H Maximum 431 2 None 30 541 2 1 ft 48 661 2 2 ft 60 781 2 3 ft 84 901 2 4 ft 20 Figure 10 Horizontal Termination Configuration for Corner Installation Using One 90 Elbow Square Termination Wall Firestop Not to Exceed H Limits As Required for V See Chart for Pipe Section Required 45 Elbow 90 Elbow 90 Elbow Square Termination Wall Firestop 45 Elbow 12 Minimum Note Ground Floor Corner Ventin...

Page 13: ...configurations show the minimum vertical rise requirements for a horizontal system using two 90 elbows Venting with Two 90 Elbows Figure 12 Horizontal Termination Configuration for Venting Using Two 90 Elbows with Termination at 90 with Fireplace 45 Elbow Venting with Two 90 Elbows Figure 11 Horizontal Termination Configuration for Venting Using Two 90 Elbows Vertical V Horizontal H1 Horizontal H2...

Page 14: ... Drop a plumb line down from ceiling to position of fireplace exit flue Mark center point where vent will penetrate ceiling Drill a small locating hole at this point Drop a plumb line from inside roof to locating hole in ceiling Mark center point where vent will penetrate roof Drill a small locating hole at this point Figure 13 Offset with Wall Strap and 45 Elbows 45 Elbow Wall Strap Roof Flashing...

Page 15: ...d High Wind Termination Shown Note Install restrictor into inner collar of fireplace as shown Vertical V1 Horizontal H 5 min 6 max 6 min 12 max 7 min 18 max 8 min 20 max Note Vertical V1 Vertical V2 40 max Figure 16 Vertical Venting Configuration Using Two 90 Elbows Vertical Round High Wind Termination Shown Note Install restrictor into inner collar of fireplace as shown 45 Elbow 45 Elbow Venting ...

Page 16: ... Figure 20 Figure 20 Gas Control Valve ON OFF Knob Pilot Adjustment Inlet Pressure Outlet Pressure Flame Adjustment Knob Pilot Gas Line Do Not Kink To Pilot Burner To Main Burner GAS LINE HOOK UP WARNING Gas line hook up should be done by your gas supplier or a qualified service person WARNING Before you pro ceed makesureyourgassupply is OFF An equipment shutoff valve has been included in fireplac...

Page 17: ...ed By Local Codes 3 Min 7 6 cm PILOT ADJUSTMENT The pilot or electrode assembly is factory preset for proper flame height Alterations to these settings may have occurred during shipping and handling If this is the case some minor readjustments may be necessary and should be done by a qualified service techni cian The proper settings for thermopile height should be at a distance of 3 8 0 95 cm to 1...

Page 18: ... Door If replacement of glass is necessary entire assembly glass and frame must be replaced If glass is broken wear gloves and tape re maining fragments onto frame 1 Remove screen assembly by pushing the rod either left or right then down and forward to remove screen rod assembly from firebox Set assembly aside 2 Lift up on latches to unlock There are two on top of firebox and two below firebox th...

Page 19: ...r log onto pins on rear of grate see Figure 29 2 Rest left side of log 2 front log on top of log 1 and right side onto pin located on right side of grate extension see Figure 28 1 1 2 Figure 29 Installing Log No 3 3 Figure 30 Installing Log No 4 5 Place log 5 top log onto right pin of front log 2 and smooth surface of rear log 3 Make sure it is seated properly see Figure 31 Figure 31 Installing Lo...

Page 20: ... fireplace base area be sure that theelectricalpowertotheoutletis turnedoffbeforeproceedingwith blower installation Failure to do this may result in serious injury Model BKT This product is equipped with a BKT blower The blower is located against the lower rear wall of the firebox outer wrapper with the exhaust port directed upward The blower is held in position against the back wall by the magnet...

Page 21: ...ireplace has been turned off As thermal switch cools down blower shuts down automatically Figure 34 Blower Assembly Phillips Screw Ring Terminal on Green Wire Jumper Wire To Blower Motor Terminal Thermal Disc Magnetic Bracket Assembly To Thermal Switch Air Flow Direction Magnetic strips Power Cord Firebox Thermal Disc Bracket Assembly Figure 35 Thermal Disk Bracket Assembly Location Var iab le Fa ...

Page 22: ...Figure 37 Blower Wiring Diagram for Thermostat Controlled Models Blue Variable Fan Switch Fan Switch N O Green White On 110 115 V A C Blower Motor Black Off 1 2 Black Thermocouple Incoming Main Gas Supply Piezo Ignitor Control Valve Pilot TH TP TPTH Thermopile Piezo Ignitor Do Not Connect To 120V Wall Switch Safety Microswitch Pilot Gas Line Figure 38 Millivolt Ignition Wiring Diagram INSTALLATION...

Page 23: ...e proper flame setting by loosening air shutter screw and rotating air shutter until proper setting is achieved see Figure 40 Correct shutter openings are 3 16 for natural gas and fully open for propane lp gas Model Tube Burner Pan Burner CD42MCN LS 0 188 0 188 CD42MCP LS 0 313 0 500 Figure 39 Burner Flame Patterns CORRECT INCORRECT CLOSE SHUTTER INCORRECT OPEN SHUTTER Short Sharp Blowing Flame Lo...

Page 24: ... LO Knob OPERATION OPERATION GUIDELINES When used for the first time fireplace may emit a slight odor for about 16 to 24 hours This is normal and is due to curing of logs and burn in of internal paint and lubricant used in manufacturing process Keep compartments logs burners and area surrounding logs clean by vacuuming and brushing at least twice a year or as necessary Turn off gas and remote swit...

Page 25: ...ion 5 Push in gas control knob slightly and turn clockwise to OFF Do not force 6 Replace screen door assembly REMOTE OPERATION Note Remote receiver is factory installed with this fireplace Follow instructions included with remote control NOTICE Youmust lightthepilot before using the hand held re mote control unit See Lighting Instructions After lighting let pilot flame burn for about one minute Tu...

Page 26: ... glass due to paint curing The glass should be cleaned several times with a non ammonia nonabrasive household cleaner and warm water after the first two weeks of operation Thereafter clean the glass two or three times during each heating season depending on the usage and circum stances present Refer to Removing Glass Door page 18 of this manual when removing glass door for cleaning WARNING Only pa...

Page 27: ...4 Replace ember material periodically as needed See Replacement Parts on page 34 VENTING SYSTEM Conduct annual inspection of the venting system following these guidelines 1 Check areas of venting system that are exposed to the weather for corrosion rust spots or streaks and in extreme cases holes Have these items replaced im mediately by a qualified service person 2 Remove the vent cap and shine a...

Page 28: ...nd thermocouple are tight and secure 4 Check thermocouple with millivolt meter Take reading at thermocouple terminals of gas valve with remote control off It should read 18 millivolts minimum Re place faulty thermocouple if reading is below specified minimum 1 Check remote wires for proper connections Place jumper wire across ter minals at remote control If burner comes on re place remote If okay ...

Page 29: ...6 or replace burner orifice 1 Clean burner see Clean ing and Maintenance page 26 or replace burner orifice 2 Replace damaged burner 3 Replace gas control 1 Problem will stop after a few hours of operation TROUBLESHOOTING Continued POSSIBLE CAUSE 1 Manifold pressure is too low 2 Burner porting or orifice clogged 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective 1 Res...

Page 30: ...ecifications see Venting Installation page 10 1 This is normal If noise is excessive contact quali fied service person 1 Replace 12 volt batteries in receiver and hand held remote control 1 Clean out air holes at burner inlets Periodically repeat as needed 2 Remove blockage or re place burner 3 Have vent system inspect ed including termination cap Remove any restric tions or obstruction 4 Clear ex...

Page 31: ...See Warning statement above 2 Control valve defective 1 Gas leak See Warning statement above OBSERVED PROBLEM Fireplaceproducesunwanted odors Fireplace shuts off in use Gas odor even when control knob is in OFF position Gas odor during combustion REMEDY 1 Locate and correct all leaks see Checking Gas Connections page 17 1 Fireplace has been tested for up to 40 mph winds However extreme condi tions...

Page 32: ...ts com 126454 01B 32 34 20 35 36 37 19 29 28 30 23 22 26 21 21 31 32 33 27 24 25 6 7 10 12 2 11 14 8 17 1 4 4 13 16 3 15 5 5 9 18 2 18 3 18 6 18 7 18 5 18 4 18 1 PARTS MODELS CD42MCN LS AND CD42MCP LS fire parts com ...

Page 33: ...Log Log 5 1 18 6 109400 01 Top Left Log Log 6 1 18 7 109401 01 Top Right Log Log 7 1 19 14389 HI LO Sit Valve Natural Gas 1 14390 HI LO Sit Valve LP 1 20 14492 Piezo Ignitor 1 21 14500 Brass Fitting 2 22 14253 Flexible Connector 1 23 14511 Ignitor Bracket 1 24 14528 Brass Elbow Fitting 1 25 104506 25 Orifice 47 1 104506 20 Orifice 56 1 26 14544 Aluminum Tubing Assembly 1 27 26808 Valve Bracket 1 2...

Page 34: ...eady model and serial numbers of your fireplace the replacement part number SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition fireplace will not produce specified heat propane LP gas supply might be low pro pane LP units only You may feel your gas pressure is too low If so contact your local gas supplier CD42MCN LS Natural Gas Rating 25 000 35 00...

Page 35: ...________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________...

Page 36: ...will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material laborandincidentalcostsassociatedwithwarrantyrepairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner All warranty will be voided if this product is used wit...

Search results

Summary of Contents for CD42MCN-LS

Reviews:

Related manuals for CD42MCN-LS

Brands by name

Popular brands

FMI CD42MCN-LS, Owner'S Operation And Installation Manual

Search results

Summary of Contents for CD42MCN-LS

Reviews:

Related manuals for CD42MCN-LS

Brands by name

Popular brands