Desa VF-18N-PJD Owner'S Operation And Installation Manual Download Page 23

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111826-04C

TROUBLESHOOTING

Continued

POSSIBLE CAUSE

Battery nearly down. (When

signal appears the first time ap

proximately 10 ignitions left)

Cable is not connected, ON/OFF

switch is in OFF position

Ignition not successful, possible

air in supplyline

REMEDY

Replace battery

Connect cables

Swit to ON. Repeat procedure

OBSERVED PROBLEM

Long signals (0.8 second tone, 0.2

second break) during ignition

5 second continuous tone

5 short signals (8.2 second tone,

0.2 second break)

IDENTIFYING ERROR SIGNALS FROM RECIEVER

WIRING DIAGRAM

SPARK

Pilot

4 AA Batteries

ON/OFF

Switch

Thermocurrent

Interrupter Block

Battery Compartment

MA
GR
MO
SW

ANEL

Receiver

Antenna

Ignition Cable

Thermocouple

Thermocurrent
Interrupter Block

Combination Control

ON/OFF Switch (Optional)

OFF

8 Wire Connecting Cable

Thermocurrent Cable #2
or ON/OFF Switch
Soldered Cable

Thermocurrent Cable #1

Motor Knob

MAN Knob

Summary of Contents for VF-18N-PJD

Page 1: ...nce Do not touch any electrical switch do not use any phone 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 th...

Page 2: ...ppliance is for installation only in a solid fuel burning mason ry or UL127 factory built fireplaceorinalistedvent lessfireboxenclosure Itis design certified for these installations in accor dance with ANSI Z21 11 2 Exception Do not install this appliance in a fac tory built fireplace that includes instructions stat ing it has not been tested or should not be used with unvented gas logs WARNING Th...

Page 3: ... you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous WARNING Do not use a blower insert heat exchanger insertorotheraccessorynotap proved for use with this heater safety information Continued WARNING Donotallowfans to blow directly into the heater Avoidan...

Page 4: ...niture 10 Thisheaterneedsfresh outsideairventilationto runproperly Thisheaterhasanoxygendepletion sensing ODS pilot light safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation page 5 If heater keeps shutting off see Troubleshooting page 20 11 Do not run heater where flammable liquids or vapors are used or stored under dusty conditio...

Page 5: ...ition and control This system requires no matches or other source to light log set Air For Combustion and Ventilation WARNING This heater shall not be installed in a confined space or unusually tight con struction unless provisions are provided for adequate combus tion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your ...

Page 6: ...ation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height __________cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2 560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Multiply the...

Page 7: ...option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts Figure 2 Ventilation Air from Inside Building Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 Ventilation Grills Into Adjoining Room Option 1 12 12 Ventilation Air From Outdoors Provide ex...

Page 8: ...t outage or sooting Use a heat resistant sealant Do not seal chimney flue damper WARNING Never install the heater in a bedroom or bathroom in a recreational vehicle where curtains furniture cloth ing or other flammable objects are less than 42 inches from the front top or sides of the heater in high traffic areas in windy or drafty areas CAUTION This heater cre ates warm air currents These current...

Page 9: ...Size Height Depth Width Width 18 17 14 24 20 24 17 14 28 22 30 24 17 1 2 42 28 3 4 MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18 24 30 Side Wall 16 Ceiling 42 Floor 5 Measured at 14 depth Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel If not using a mantel follow the informa tion below You must have noncombustible...

Page 10: ... Material Requirements for Distance A Safe Installation 12 or more Noncombustible material OK Between 8 24 Model Install fire place hood accessory and 12 GA6060 see Accessories page 25 18 Model Noncombustible material OK Less than 8 Noncombustible material must be extended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open Figure 7 ...

Page 11: ...wing operate the logs only with the flue damper open raise the mantel to an accept able height remove the mantel Floor Clearances A If installing appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible flooring see Figure 9 INSTALLA...

Page 12: ...nnection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 25 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure heater regulator damage could occur In...

Page 13: ...ogged heater valves WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 25 Minimum inlet pressure for purpose of input adjustment Figure 12 Gas Connection 3 Minimum CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Hose if allowed by loc...

Page 14: ... compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fit tings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 13 2 Pressurize supply piping s...

Page 15: ...o vent smell This will only last a few hours Operating Heater Continued CAUTION A mild gas flash within 10 seconds is normal during shutdown of this heater Remain clear of the hearth area for the entire shutdown process to avoid possible injury 1 STOP Read the safety information begin ning on page 14 2 Make sure equipment shutoff valve is fully open 3 Turn motor knob clockwise to the OFF position ...

Page 16: ...he mode of operation in the following order MAN TEMP TEMP TIMER Manual flame height adjustment MAN ap pears on display Press to turn on the fire main burner or to increase flame height Press to decrease flame or to go down to pilot only The receiver acknowledges the transmission with an acoustic signal Thedaytimetemperaturemode TEMPap pearsondisplay Thesensorinthetransmitter measures room temperat...

Page 17: ...e see Figure 17 7 Push and hold down metal core fully by using a dull object such as a pen This lets the pilot gas flow 8 Light pilot burner with a match see Figure 18 9 Continue holding down metal core forabout 10 seconds Pilot should stay lit after releas ing metal core If not repeat step 1 thru 4 10 Turn MAN knob to ON position This lets main gas flow 11 Turn motor knob to adjust flame Knob has...

Page 18: ...flame is not touching the thermocouple When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 20 turn heater off see To Turn Off Gas to Appli ance above or page 17 see Troubleshooting page 20 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Operating Heater Continued ...

Page 19: ... local computer store hardware store or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the direc tions on the can If you don t follow directions on the can you could damage the pilot assembly Before cleaning shut off the unit including the pilot Allow the unit to cool for at least thirty minutes You wil...

Page 20: ...ssure is too low 2 Burner orifice s clogged OBSERVED PROBLEM When and are pressed atthesametime thereisnospark at ODS pilot When and arepressed there is spark at ODS pilot but no ignition Burner does not light after pilot is lit Delayed ignition burner REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Replace ignitor cable 4 Replace pi...

Page 21: ...n and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 9 4 Clean burner see Cleaning and Maintenance page 19 or replace burner orifice 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 Refer to Air for Combustion and Venti...

Page 22: ...tially clogged 4 Thermostat on remote is satisfied 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between con trol valve and burner 2 Gas leak See Warning statement at top of page REMEDY 1 Replace 9 volt batteries in receiver and remote control 2 Replace module 1 This is normal with most heat ers Ifnoiseisexcessive contact qualified servic...

Page 23: ...nals 0 8secondtone 0 2 second break during ignition 5 second continuous tone 5 short signals 8 2 second tone 0 2 second break Identifying error signals from reciever Wiring Diagram SPARK SPARK Pilot 4 AA Batteries ON OFF Switch Thermocurrent Interrupter Block SW SW TC TC Battery Compartment MA GR MO SW PANEL Receiver Antenna Ignition Cable Thermocouple Thermocurrent Interrupter Block Combination C...

Page 24: ...atech com Replacement Parts Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA s Technical Service Department at 1 866 672 6040 When calling DESA have ready your name your address model and serial numbers of your...

Page 25: ...f they can not supply these accessories call DESAat 1 866 672 6040 for referral information You can also write to the address listed on the back page of this manual EQUIPMENT shutoff VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe fireplace HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fir...

Page 26: ...www desatech com 111826 04C 26 Illustrated Parts Breakdown Models VF 18N PJD and vf 18p pjd 1 2 24 24 24 24 24 24 24 24 7 8 9 10 11 12 11 13 14 15 16 17 18 3 6 4 19 20 21 22 23 5 ...

Page 27: ...01 Rear Log Plate 1 14 112812 06 112812 06 Left Burner Bracket 1 15 111804 08 111804 08 Front Burner 1 16 112812 05 112812 05 Right Burner Bracket 1 17 116242 01 116242 01 Log Support Bracket 1 18 111817 06 111817 06 Front Flextube 1 19 104285 01 104286 01 ODS Pilot 1 20 098249 01 098249 01 ODS Nut 2 21 116329 02 116329 02 Front Log Bracket 1 22 111817 03 111817 03 3 16 Flextube 1 23 111828 01 111...

Page 28: ...www desatech com 111826 04C 28 Illustrated Parts Breakdown Models VF 24N PJD and vf 24p pjd 1 2 3 6 4 25 25 25 25 25 25 7 8 9 10 11 11 12 13 14 15 16 17 18 19 20 21 22 23 24 5 ...

Page 29: ... Left Burner Bracket 1 15 111804 05 111804 05 Front Burner 1 16 112812 05 112812 05 Right Burner Bracket 1 17 116331 01 116331 01 Right Ember Plate 1 18 111817 06 111817 06 Front Flextube 1 19 116680 04 116680 05 Pilot Bracket Kit 1 20 104285 01 104286 01 ODS Pilot 1 21 116337 01 NG Pilot Shield 1 22 116329 01 116329 01 Front Log Bracket 1 23 111817 03 111817 03 3 16 Flextube 1 24 111828 01 111828...

Page 30: ...www desatech com 111826 04C 30 Illustrated Parts Breakdown Models VF 30N PJD and vf 30p pjd 1 3 18 5 6 4 24 2 24 24 24 7 9 11 10 11 12 24 19 17 24 13 8 14 15 16 22 23 20 25 21 ...

Page 31: ...t 1 15 111804 05 111804 05 Front Burner 1 16 112812 05 112812 05 Right Burner Bracket 1 17 117416 02 117416 02 Right Ember Plate 1 18 111817 06 111817 06 Front Flextube 1 19 117416 01 117416 01 Left Ember Plate 1 20 104285 01 104286 01 ODS Pilot 1 21 116329 03 116329 03 Front Log Bracket 1 22 111817 03 111817 03 3 16 Flextube 1 23 111828 01 111828 01 3 16 Nut Sleeve 1 24 M11084 26 M11084 26 Screw ...

Page 32: ...ed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any ...

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