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Warnings, Installations and Operations - Installation Regulations 

This gas appliance must be installed by a qualified installer in accordance with local building codes, or in the absence of local codes, with the current 

CAN/CSA-B149.1 or .2 Installation Code (in Canada) or the current National Fuel Gas Code Z223.1- NFPA 54 when installed in the United States. 

This appliance, when installed, must be electrically connected and grounded in accordance with local codes, or in the absence of local codes, with the 

current CSA C22.1 Canadian Electrical Code or with the National Electrical Code; ANSI/NFPA 70 when installed in the United States. 

In the U.S.A. Thermostats are not permitted for Vented Gas Fireplaces (ANSI Z21.50b-Decorative).

 

WARNING

 

FOR SAFE INSTALLATION AND OPERATION OF YOUR GAS FIREPLACE PLEASE NOTE THE FOLLOWING: 

1. 

Do not clean when the glass is hot.  

2. 

Do not use abrasive cleaners.  

3. 

Using a substitute glass will void all product 

warranties. 

4. 

For safe operation, glass doors must be closed. 

5. 

When purging the gas line, the glass front must be 

removed. 

6. 

Do not strike or abuse glass. Take care to avoid 

breakage. 

7. 

Do not alter gas orifice. 

8. 

No substitute materials may be used other than 

factory supplied components. 

9. 

This appliance gives off high temperatures and should 

be located out of heavy traffic areas and away from 

furniture and draperies. 

10. 

Children and adults should be alerted to the hazards 

of the high surface temperatures of this appliance and 

should stay away to avoid burns or ignition of clothing. 

11. 

Young children should be carefully supervised when 

they are in the same room as the appliance. Toddlers, 

young children and others may be susceptible to 

accidental contact burns. A physical barrier is 

recommended if there are at risk individuals in the 

house. To restrict access to a fireplace or stove, install 

an adjustable safety gate to keep toddlers, young 

children and other at risk individuals out of the room 

and away from hot surfaces. 

12. 

Under no circumstances should any solid fuels (wood, 

paper) be used in this appliance. 

13. 

Under no circumstances should this appliance be 

modified. Any parts that have to be removed for 

servicing should be replaced prior to operating this 

appliance. 

14. 

Any safety screen, guard, or barrier removed for 

servicing an appliance must be replaced prior to 

operating the appliance. 

15. 

Installation and repair should be done by a qualified 

service person. The appliance should be inspected 

before use and at least annually by a professional 

service person. More frequent cleaning may be 

required due to excessive lint from carpeting, bedding 

material, et cetera. It is imperative that control 

compartments, burners and circulating air 

passageways of the appliance be kept clean. Make 

sure that the gas valve and pilot light are turned off 

before you attempt to clean this unit. 

16. 

Clothing or other flammable material should not be 

placed on or near the appliance. This appliance 

should not be used as a drying rack for clothing nor 

should Christmas stockings or decorations be hung 

from it. 

17. 

Do not use this heater if any part has been under 

water. Immediately call a qualified service technician 

to inspect the heater and to replace any part of the 

control system and any gas control which has been 

under water. 

18. 

Do not operate appliance unless completely installed 

as per installation instructions.

 

19. 

Failure to position the parts in accordance with these 

diagrams or failure to use only parts specifically 

approved with this appliance may result in property 

damage or personal injury. 

20. 

WARNING: Do not operate appliance with the 

glass front removed, cracked or broken. 

Replacement of the glass should be done by a 

licensed or qualified service person. 

21. 

The appliance area must be kept clear and free from 

combustible materials, gasoline, and other flammable 

vapors and liquids. 

22. 

The front of the fireplace gives off high temperatures 

that could ignite combustible material which is kept 

close to the front of the unit. 

23. 

Ensure that power to the Fireplace is turned off before 

servicing. 

24. 

Do not operate this Fireplace without the glass front or 

with a broken glass. 

25. 

Improper installation, adjustment, alteration, service or 

maintenance can cause injury or property damage. 

Refer to the owner’s information manual provided with 

this appliance. For assistance or additional information 

consult a qualified installer, service agency, or the gas 

supplier. 

26. 

Operation of this appliance when not connected to a 

properly installed and maintained venting system or 

tampering with the blocked vent shutoff system can 

result in carbon monoxide (CO) poisoning and 

possible death. 

27. 

This appliance is equipped with a three-prong 

(grounding) plug for your protection against shock 

hazard and should be plugged directly into a properly 

grounded three-prong receptacle. Do not cut or 

remove the grounding prong from this plug. 

28. 

Gas fired appliances may be used only for 

supplemental heat and/or decorative purposes and 

under no circumstances shall they provide a primary 

heat source. 

29. 

This appliance must not be connected to a chimney 

flue serving a separate solid-fuel burning appliance.

 

 

6

Summary of Contents for ZDV3318 Series

Page 1: ...for future reference A Division of R Co Inc 2340 Logan Ave Winnipeg Manitoba Canada R2R 2V3 Ph 204 632 1962 Printed in Canada July 17 2019 Part 3318 MAN17 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 of gas indicated on the rating plate This appliance ...

Page 2: ...3 Burner System Gas Line Installation 24 Millivolt System Lighting and Burner Control 25 Annual Inspection List for Determining Safe Operation of a Direct Vent Gas Fireplace 26 Burner System Maintenance 27 Conversion Kit Instructions PART A 28 29 Gas Conversion for Top Convertible Pilot Part B series 0190XYZ 30 Gas Conversion for Modulator PART C 31 Proflame 1 Overview Components 32 Remote Control...

Page 3: ... Roof 50 51 Vertical Venting over 15 Feet 52 Glass Safety Termination Cap Safety 53 Approved for Power Vent PVH58 PVH58FM 54 Parts Lists PVH58 Parts List 55 ZDV3318 Parts List 56 57 Troubleshooting Troubleshooting the Gas Control System 58 Warranty Limited Lifetime Warranty 59 3 ...

Page 4: ...he sounds produced by a furnace or heating duct This noise does not affect the operation or longevity of your fireplace It is also normal for the fan to make some noise when it comes on This noise can be reduced somewhat by turning down the speed of the fan with the variable speed control Be aware however that this will reduce the volume of heated air circulated into the room by the fan Note to th...

Page 5: ... until unit is COMPLETELY cool before touching glass or attempting to install or remove Child Safety Screens To install screens hook bottom clip onto glass door frame then press down and push upper clip under top glass door frame then release Clip will hook onto frame To remove Safety Screens WAIT UNTIL FIREPLACE IS COMPLETELY COOL Press down on upper clips and remove screen from fireplace glass d...

Page 6: ...t annually by a professional service person More frequent cleaning may be required due to excessive lint from carpeting bedding material et cetera It is imperative that control compartments burners and circulating air passageways of the appliance be kept clean Make sure that the gas valve and pilot light are turned off before you attempt to clean this unit 16 Clothing or other flammable material s...

Page 7: ...fication plate shall be mounted at the exterior of the building four feet directly above the location of vent terminal The plate shall be of sufficient size to be easily read from a distance of eight feet away and read Gas Vent Directly Below 2 For direct vent appliances mechanical vent heating appliances or domestic hot water equipment where the bottom of the vent terminal and the air intake is i...

Page 8: ...an National Electrical Code in Canada An appliance must be grounded to the steel chassis of the home with 8 ga copper wire using a serrated or star washer to penetrate paint or protective coating to insure grounding Use carriage bolt at the attachment point see diagram above to secure the appliance to the floor For required venting components see venting installation in appropriate section of this...

Page 9: ...nstruction contractors and finishers Frame unit with metal studs minimum 20 gauge Wooden studs may be used but may cause drywall screws to pop or pull due to wood studs drying out Minimum of 1 2 CONCRETE BOARD cement board this non combustible panel is ULC listed as a wall shield floor protector and fasten to the entire perimeter framing Use fiberglass mesh tape for all joints in area of the firep...

Page 10: ...or to the indoor gas fireplace being installed A Minimum sheltering cover overhang of 1 2 the distance from the base of the fireplace to the ceiling base of roofline is required EXAMPLE The bottom of the fireplace is 84 from the ceiling Therefore 42 of sheltering cover is required above fireplace All wiring connections to line power shall be in accordance with outdoor requirements of NECA NFPA 70 ...

Page 11: ...r B Across the corner E Flat on wall corner C As an island F Exterior wall Island installation with a top vent is possible as long as the horizontal portion of the vent system does not exceed 20 feet 6 1 m ZDV3318 Fireplace Dimensions ZDV3318 CVCK Clean View Circulating Kit ZDV3318 Louvered 11 ...

Page 12: ...be raised a minimum of 2 7 8 above the finished floors to accommodate the wall surround The fireplace may be raised higher but the 60 clearance measured from the bottom of the fireplace to the ceiling must be maintained at all times i e For an 8 ft ceiling the unit can be raised only 36 inches Framing Specifications 1 Cold climate installation recommendation When installing this fire place against...

Page 13: ...Z33CVCK Framing and Facing Requirements ZDV3318 WITH Z33CVCK CLEAN VIEW CIRCULATING KIT Z33CVCK with Wall Surround 13 ...

Page 14: ...plied screws FIG 1 For ZDV6000 ZDV3320 MQRB3328 models use the larger 8 standoffs On the ZDV3318 unit remove the large 8 standoffs 3 Hang CVCK on top of fireplace retainer tabs and rotate down into position FIG 2 4 Using the screws provided fasten the non combustible header onto the top of the CVCK assembly 5 Using four 4 supplied 6 screws fasten CVCK kit to the inside frame of unit 6 Using ten 10...

Page 15: ...18 3622 3622RB Mantels Surrounds Warning Combustible objects must not be placed on a non combustible mantel unless the non combustible mantel meets the minimum height and width requirements for a combustible mantel 15 ...

Page 16: ...or over the front face of the fireplace NO PORTION OF GRILL AREA OR DOOR AREAS CAN BE COVERED except where designer clean view kit is used Combustible material can extend flush to unit up to the top bottom and sides of fireplace to stand offs For COMBUSTIBLE materials extending in front of fireplace consult Mantel and Mantel Leg Drawings Surrounds If installing wide or slim line surrounds the fini...

Page 17: ...s 38 mm All Vent Systems Enclosure over 43inches 2 1 2 inches 38mm All vent Systems Top of Horizontal Pipe 1 1 2 inches 38 mm All Vent Systems Side Bottom of Horizontal Pipe 1 inch 25 5mm All Vent Systems Vertical Vent Pipe 1 inch 25 5mm Kingsman Vent Systems Vertical Vent Pipe 1 1 4 inch 32mm Simpson AmeriVent Selkirk Direct Temp Systems NOTE Floor if installing the appliance directly on carpetin...

Page 18: ...ol to 120v Install a duplex outlet to junction box and plug fan into outlet 4 Turn the wall switch on clockwise Turn fireplace on Once the sensor in the unit reaches operating temperature approximately 10 to 15 minutes the fan will turn on The fan can be switched off if desired by turning the wall switch fully counter clockwise 5 To set the minimum fan speed remove the variable switch from the wal...

Page 19: ... pronged grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded three prong receptacle Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation and servicing Caution Electrical installation to be done by a qualified installer All wires must be connected an...

Page 20: ...while placing the bottom edge over the front ledge of the firebox Then rotate the panel upright and slide it back towards the rear liner panel Make sure the top of the side panel is engaged with the top of the rear panel as shown in the illustration below Once all the liner panels are installed ensure they are sitting flush to the walls of the firebox 6 Reinstall the air adjustment plate back to i...

Page 21: ...e underside of Log 1 with tab STEP 5 Locate right side Log 2 locator tab Place Log 2 onto locator tab by aligning placement hole on the underside of Log 2 with tab STEP 6 Locate the log locator tabs for Log 3 The notched area of Log 3 is to be posi tioned up against the two tabs and rests onto Log 1 as illustrated STEP 3 Place the five grate bars packaged with unit into the grate bar slots LOG 1 L...

Page 22: ...e bar Slide into place and rest Log 5 onto Log 2 s flat area STEP 10 Position Log 6 up against the 2nd grate from the right Log 6 will rest onto Log 2 Do not position over main burner ports STEP 11 Lean Log 7 against the 2nd grate from the left and notch on Log 5 Do not posi tion over burner ports STEP 12 Place rock onto the false bottom only NOTE Do not cover air slot that is between grate and fa...

Page 23: ...caution when removing broken glass wear gloves Removal of the Glass Door ZDV3318 MQZDV3318 1 Unlatch the two latches located behind the upper grill 2 To remove pull frame forward and lift from bottom door retainer Removal of the Glass Door ZDV3622 ZDVRB3622 MQZDV3622 1 Remove the door by unlatching the 2 top latches Simply place 2 fingers in the grooves pull towards you and lift upwards slightly 2...

Page 24: ...ff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 PSIG 3 5 KPa 9 The appliance must be isolated from the gas supply piping system by closing its individual shutoff valve during any pressure testing of the gas sup ply piping system at test pressures equal to or less than 1 2 PSIG 3 5 KPa Note The gas line co...

Page 25: ...ely the pilot burner located on the rear center left hand side of the main burner If a flame has appeared then continue to depress the control knob for 20 seconds If the flame did not appear then continue to depress the red igniter button every 5 seconds until a flame is established NOTE If after 30 seconds a flame has not yet been established then turn the control knob back to the off position an...

Page 26: ...dition of vent and vent terminal for sooting or obstruction and correct if present 6 Vacuum and clean any debris in the firebox that is not supposed to be there 7 Test and measure the flame failure response time of the flame safety system It must de energize the safety shutoff in no more than 30 seconds Procedure for Millivolt Units Turn on fireplace for 5 minutes Shut off fireplace while listenin...

Page 27: ...main burner was never on Exercise caution when working within the area ALL WORK SHOULD BE PERFORMED BY A QUALIFIED AND CERTIFIED TECHNICIAN Monthly Flame Inspection It is recommended to turn on the unit at least once a month and inspect the flame pattern to ensure there are no problems with the burner tube The pilot flame should also be inspected monthly to ensure proper operation ZDV3318 Flame sh...

Page 28: ...opane Conversion IPI 1001 P168SI 35 977 168 1 25mm 1000 P201VE 5 16 1002 P012SI 907 012 3622RB CKNG2 NG Conversion IPI 1001 P166SI 62 977 166 47 1000 P201VE 1 16 1002 P013SI 907 013 3318 CKLP2 3622 CKLP2 Propane Conversion IPI 1001 P168SI 35 977 168 55 54 1000 P201VE 1000 P201VE 9 32 3 8 1002 P012SI 907 012 3318 CKNG2 3622 CKNG2 NG Conversion IPI 1001 P166SI 62 977 166 45 43 1000 P201VE 1000 P201V...

Page 29: ...valve regulator by following instructions supplied with the Conversion Kit 6 Replace air restrictor and false bottom WARNING This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer s instruction s and all applicable codes and requirements of the authority having jurisdiction If the information in these instructions is not followed exactly a fire exp...

Page 30: ...injector near the top Propane injectors have a groove machined around their circumference near the top while NG injectors do not have a groove fig 4 Refer to the Appliance Manufacturer s instruction sheet for the proper injector size 6 Insert the Allen wrench into the end of the injector Then insert the injector into injector journal and rotate the injector clockwise until a torque of 9 lbf in 1 0...

Page 31: ...Gas Conversion for Modulator PART C WARNING WARNING 31 ...

Page 32: ...appliance is still operable NOTE In certain instances the IPI Main Module requires resetting This can occur if the system is unable to ignite the pilot or the main burner in the allotted time period The IPI is programmed to lockout all commands To reset this lockout you must deplete the system of all electrical power This means to remove the batteries from the Battery Pack remove the batteries fro...

Page 33: ...that the room thermostat is ON and the set temperature is now displayed To adjust the set temperature press the Up or Down Arrow Keys until the desired set temperature is displayed on the LCD screen of the Transmitter Smart thermostat Transmitter Operation The Smart thermostat function adjusts the flame height in accordance to the difference between the set point temperature and the actual room te...

Page 34: ...sor 1002 P910si Electrode Flame Sensor 35 Length 5 1002 P302si IPI Ignition Board 6 1002 P850si AC Wall Adapter 7 1002 P12BH Battery Pack 8 1002 P912si Wiring Harness 9 1001 P166si Orifice Pilot NG 62 1001 P168si Orifice Pilot LP 35 10 1002 P013si Stepper Motor NG 1002 P012si Stepper Motor LP 1002 P016si Hi Lo Regulator NG 1002 P014si Hi Lo Regulator LP Models ZRB46E MQRB4436E MQRB5143E MQRB6961E ...

Page 35: ...Configuration 1 Basic manual HI LO and manual ON OFF capabilities 35 ...

Page 36: ...Receiver Module 584 523 521 221 1001 P221SI Receiver Module 584 523 521 221 1001 P221SI 36 ...

Page 37: ...PI or Millivolt system can be powered by the AC Adapter This is advantageous if you do not want to use batteries Simply connect the AC Adapter into the Remote Control Wiring Harness as per the diagrams below IPI System EGTM Receiver Module 0 584 523 521 221 1001 P221SI Millivolt System GTM Receiver Module 0 584 523 521 221 1001 P221SI In the U S A Thermostats are not permitted for Vented Gas Firep...

Page 38: ...Configuration 3 Remote ON OFF variable HI LO and fan capabilities Refer to the fan installation removal section for fan installation 38 ...

Page 39: ...re department LIGHTING INSTRUCTIONS 1 Stop Read the above safety information on this label 2 Remove batteries from receiver and or Battery Backup Pack 3 Turn off all electric power to the fireplace 4 This fireplace is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 5 Open the glass door 6 6 Turn manual shutoff valve clockwise to off Locat...

Page 40: ...3 13 1002 P047SI TC Pilot Burner IPI Assembled LP 199 047 14 1001 P166SI TC Orifice Pilot NG 977 166 62 IPI 15 1001 P168SI TC Orifice Pilot LP 977 168 35 IPI 16 1001 P280SI TC Tubing W Fittings 1 8 2 182 280 17 1002 P012SI IPI Stepper Kit LP 907 012 18 1002 P013SI IPI Stepper Kit NG 907 013 19 1002 P014SI IPI Reg Kit LP Hi Lo 907 014 20 1002 P016SI IPI Reg Kit NG Hi Lo 907 016 21 1002 P017SI TC El...

Page 41: ... must be followed to reset the PF2 Module Press the Red SW1 button until you hear three beeps Within 10 seconds press the SW1 button again until you hear it beep The PF2 Module may now be turned on off manually x4 connector by a switch not supplied the pilot will remain on CPI continuous pilot ignition mode all other functions of main burner fan and lights will be on the high setting Fan Startup a...

Page 42: ... ON OFF and the pilot is also out follow the procedures described in this manual to light the pilot To switch from IPI to CPI Mode 1 Turn the fireplace OFF using the ON OFF Key 2 Press the Mode Key Display will appear as below 3 Press UP on the UP DOWN Arrow Key Display will show CPI The module in the fireplace will beep once to confirm command TO RETURN TO IPI INTERMITTENT PILOT MODE Repeat steps...

Page 43: ...Proflame 2 Remote Control 43 ...

Page 44: ...Note When Smart Thermostat is activated manual flame height adjustment is disabled Note This function is only available in Room Thermostat or Smart Thermostat Control Mode 44 ...

Page 45: ...45 ...

Page 46: ...tu h 3 kW and 50 000 Btu h 15 kW 12 in 30 cm for appliances 50 000 Btu h 15 kW K Clearance to a mechanical air supply inlet 6 ft 1 83 m 3 ft 91 cm above if within 10 ft 3 m horizontally L Clearance above paved sidewalk or paved driveway located on public property 7 ft 2 13 m 7 ft 2 13 m M Clearance under veranda porch deck or balcony 12 in 30 cm 12 in 30 cm Notes 1 In accordance with the current C...

Page 47: ...ming Your Gas Fireplace section Cut a hole through the wall allowing for an 11 x 11 inside diameter in combustible walls for wall thimble or an 8 diameter hole in a non combustible wall See Figure 2 2 For the clearance to combustible above a 90 degree bend see Clearance to Combustibles section 3 Select the approximate vent length precise measurements are not needed as your flex pipe can be expande...

Page 48: ...ht of the system and the number of bends required 2 Having determined the vertical distance determine the maxi mum horizontal section allowed 3 Vent table has been established for 90 horizontal vertical runs With use of flex pipe distance not having 90 bends will not fall into vent table standards See Fig B Horizontal Venting Table From Bottom of Fireplace for venting to a maximum of 40 ft 12 2 me...

Page 49: ...ow well is recommended with adequate and proper drainage as per local codes Leave 2 clearance below snorkel to prevent water from entering the Snorkel Termination Do not enclose the Snorkel within a wall or other type of enclosure and do not back fill Ensure that grade level slopes away from the building Follow all local codes Maintain All Clearances including proper rise and run Ensure adequate d...

Page 50: ... rulers or by using a roof pitch card Slide a Roof Flashing suitable to your roof slope over the vent Place the edge of the flashing plate that will be on the higher part of the roof slope under the shingles Both the sides and the lower edge lay on top of the shingles NOTE At the top edge of the flashing plate lift the shingles and nail the plate to the roof deck then cement the shingles to the pl...

Page 51: ...support configuration B Flex bend configuration C Termination mounting Clearance to perpendicular wall 24 inches 60 cm Recommended to prevent re circulation of exhaust products For additional requirements check local codes 24 Clearance above highest point of exit on roof 18 inches 45cm 18 MIN 43ft A B C 51 ...

Page 52: ...R INTAKE ADJUSTMENT PLATE NOTE Unit comes preset for short horizontal or vertical venting under a 15 feet run Follow these instructions when venting exceeds 15 foot run 1 Locate the 3 x 1 4 hex screws and using a nut driver loosen the screws 1 turn 2 Lower the Air Adjustment Plate as shown in the diagrams Fully Down Position 3 Tighten the 3 x 1 4 hex screws 52 ...

Page 53: ...keep toddlers young children and other at risk individuals out of the room and away from hot surfaces Do not leave the fireplace remote control where it is accessible to children Termination Cap Safety All Units WARNING A HORIZONTAL VENT CERTIFIED GUARD SAFETY CAGE IS AVAILABLE WHEN REQUIRED BY LOCAL CODES SAFETY CAGES ARE AVAILABLE FOR ALL HORIZONTAL VENT TERMINATIONS CHECK WITH YOUR DEALER TERMI...

Page 54: ...ns are permitted however Cold Climate Switch Standing Pilot Mode must NOT be used Seven 90 elbows are possible if the total horizontal is not more than 25ft and the vertical does not exceed 15ft Refer to Power Vent Manual for proper installation and use Maximum Minimum Vent Lengths Maximum Vent Length is 125 ft plus six 90 elbows with Air Intake Shutter fully closed Termination must not be below u...

Page 55: ...s 4 6 5 8 venting to 5 8 For Power Vent installations where flex pipe will be used up to the Power Vent unit Z47PVA Pipe Reducer 8 Sm 7 Sm Pipe Reducer 5 Sm 4 Sm Adapts PVH58 to accept 4 7 Flex Pipe One 12 section of hard pipe must be connected directly to the Power Vent before any adapters are connected Order the appropriate lengths of venting see below ZDVFK5 Flex Kit 4 7 Dia x 2 5 Unexpanded 5 ...

Page 56: ...g 6000 P930 Blower Motor QLN657 1800 Z33FK MOTOR ZDV3318 Parts Refractory Liners Z3318PRL Porcelain Reflective Liner Z3318ML Metal Liner Traditional Door Glass 6000 151 Tempered Glass ZDV3318 Replacement Burner Assembly 3318 BNGSI Burner Assembly Natural Gas c w Valve System ZDV3318N 3318 BLPSI Burner Assembly Liquid Propane c w Valve System ZDV3318LP Conversion Kit Sit Valve Only 3318 CKLP Propan...

Page 57: ...o Igniter 1244 17 MARK 21 1000 215 Pal Nut 18MMXI 5MM BLK 1364 03 1000 218 Switch Ivory 1451 001 1000 227 Cover Ivory 86001 001 1000 255 Orifice Brass State Size 6000 130 Explosion felt Gasket 2000 080 Thermodisc 2450 For Blower 1000 306 Thermalcord Adhesive Back for Door Frame 1000 085 Control Variable Speed KBWC 13BV Kingsman Fireplace Venting Number Description ZDVHSK Horizontal Vent Starter Ki...

Page 58: ... Check generator with millivolt meter Take reading at generator terminals of gas valve Should read 325 millivolts minimum while holding valve knob depressed in pilot position and wall switch off Replace faulty generator if reading is below specified minimum Plugged burner orifice Check burner orifice for stoppage and remove Defective automatic valve operator Remove wall switch wires from gas valve...

Page 59: ... other than in a normal residential environment c damages caused by any unauthorized alteration or repair of the unit affecting its stability or performance d damages caused by improper matching or application of the unit or the unit s components e damages caused by failing to provide proper maintenance and service to the unit f any expenses incurred for erecting disconnecting or dismantling the u...

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