Desa EC18NR Owner'S Manual Download Page 29

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122526-01B

POSSIBLE CAUSE

1. Control knob not fully

pressed in

2. Control knob not pressed in

long enough

3. Safety interlock system has

been triggered

4. Equipment shutoff valve not

fully open

5. Pilot flame not touching

thermocouple, which al

lows thermocouple to cool,
causing pilot flame to go

out. This problem could be
caused by one or both of
the following:

A) Low gas pressure
B) Dirty or partially clogged

ODS/pilot

6. Thermocouple connection

loose at control valve

7. Thermocouple damaged
8. Control valve damaged

1. Inlet gas pressure is too

low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

4. Remote selector in OFF

position

5. Wire disconnected from gas

control

1. Manifold pressure is too

low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

1. Burner orifice is clogged or

damaged

2. Damaged burner

3. Gas regulator defective

REMEDY

1. Press in control knob fully

2. After ODS/pilot lights, keep

control knob pressed in 30
seconds

3. Wait one minute for safety

interlock system to reset.
Repeat ignition operation

4. Fully open equipment shut-

off valve

5. A) Contact local natural or

propane/LP gas company

B) Clean ODS/pilot (see

Cleaning and Maintenance

page 27) or replace ODS/
pilot assembly

6. Hand tighten until snug,

then tighten 1/4 turn more

7. Replace pilot assembly
8. Replace control valve

1. Contact local natural or

propane/LP gas company

2. C l e a n b u r n e r ( s ) ( s e e

Cleaning and Maintenance

page 27) or replace burner

orifice(s)

3. Contact qualified service

person

4. Put remote selector in ON

position

5. See

Wiring Diagram

, page

1. Contact local natural or

propane/LP gas company

2. C l e a n b u r n e r ( s ) ( s e e

Cleaning and Maintenance

page 27) or replace burner

orifice(s)

3. Contact qualified service

person

1. Clean burner (see

Cleaning

and Maintenance

, page 27)

or replace burner orifice

2. Replace damaged burner
3. Replace gas regulator

OBSERVED PROBLEM

ODS/pilot lights but flame

goes out when control knob
is released

One or both burners do not
light after ODS/pilot is lit

Delayed ignition of one or
both burners

Burner backfiring during
combustion

TROUbLESHOOTING

Continued

Summary of Contents for EC18NR

Page 1: ...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...

Page 2: ...eat er It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ven tilation section on page 6...

Page 3: ...chemicals known to the state of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble op erate or se...

Page 4: ...bstructions across openings of fireplace 8 To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 27 9 Before using furniture polish wax carpet cleaner or similar pro...

Page 5: ...ady Models Only wall switch hand held ON OFF remote wall thermostat hand held thermostat remote See Accessories page 38 The wall thermostat or hand held thermostat may not be used where vented decorat...

Page 6: ...home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning ap pliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryer...

Page 7: ...maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace ___________ Btu Hr Gas water heater ___________ Btu Hr Gas furnace ___________ Bt...

Page 8: ...nnecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ven...

Page 9: ...Important Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for C...

Page 10: ...e Wall Example Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel If not using a mantel follow these instructions You must have noncombust...

Page 11: ...nderside of Mantel Hood GA6050 GA6052 or GA6053 Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf Hearth 5 Min Combustible Material Figure 9 Minimum Fireplace Clearances Above Combustibl...

Page 12: ...ure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so th...

Page 13: ...n mortar joint of bricks 4 Remove heater base from fireplace 5 Drill holes at marked locations using 3 16 drill bit 6 Attach base through holes in front panel of base to fireplace floor using masonry...

Page 14: ...ameter or greater to allow proper gas volume to heater Ifpipeistoosmall undue loss of volume will occur Installation must include an equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT ta...

Page 15: ...lve control valve and equip ment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where equip ment shutoff valve...

Page 16: ...in center of log see Figure 18 2 VCG and EC Models Snap switch as sembly into place 3 Attach wires to control valve as shown in Figure 19 Gas Meter Figure 17 Checking Gas Joints Natural Gas Only Cont...

Page 17: ...Bracket Electronic Ignitor On Base Assembly Push Button Clips Pads 9 Volt Battery Battery Clip Terminal Wires Switch Control Valve 11 If logs were removed from heater for install remote accessory repl...

Page 18: ...s Only use logs supplied with heater 1 Place rear log 1 on base assembly as shown in Figure 23 Log will fit over right end of burner and rest in middle of U burner 2 Place middle log 2 in front of U b...

Page 19: ...Separate pieces of ember material and place on surface of flat burner just behind horizontal ports as shown in Figure 27 Ceramat Ember placement Add embers to front flat burner Gently remove embers f...

Page 20: ...re 30 Installing Log 7 7 9 Add lava rock and small decorative logs around base of heater if desired DO NOT place rock or additional logs on front burner or on logs Placing any material on unit other t...

Page 21: ...arts page 32 4 Figure 34 Installing Log 4 5 Figure 35 Installing Log 5 6 7 Figure 36 Installing Logs 6 and 7 Installation Continued 8 Figure 37 Installing Log 8 Rib 2 Place left bottom log 2 onto base...

Page 22: ...t ports and 2 pieces to back ports Additional glowing effect can be achieved by fraying edges of ember material WARNING Do not operate unit without ember material cor rectly in place as shown in Fig u...

Page 23: ...stem and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If you op erateheaterwithdoorsclosed he...

Page 24: ...Note You may be running this heater for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas...

Page 25: ...n now turn burner on and off with hand held remote control unit IMPORTANT Do not leave selector switch in the REMOTE or ON position when pilot is not lit This will drain the battery On Off Series Mode...

Page 26: ...y receives sig nals from the hand held remote to control the room temperature If the hand held remote is misplaced obstructed or for any reason cannot transmit to the receiver the receiver will shut o...

Page 27: ...holder for dust and dirt see Figure 47 3 Blow air through the ports slots and holes in the burner 4 Check injector holder located at end of burner tube again Remove any large particles of dust dirt li...

Page 28: ...gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Overlap ember material 1 4 see page 19 1 Reconnect ignitor cable...

Page 29: ...d in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas company B Clean ODS p...

Page 30: ...te burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 11 4 Clean burners see Clean i...

Page 31: ...d 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Hand held...

Page 32: ...iable Control Models VGC18 N P R VGC24 N P R VGC30 N P R EC18 N P R EC24 N P R EC30 N P R VCC18 N P R VCC24 N P R and VCC30 N P R 29 1 30 27 35 30 34 23 29 3 2 29 4 5 10 11 23 21 22 20 14 13 16 15 17...

Page 33: ...18582 02CK 18 ASM Pan Burner 1 120259 01CK 24 30 ASM Pan Burner 1 13 119218 01 Burner Inlet Tube 1 14 111819 07 Elbow Orifice Front 1 111819 11 Elbow Orifice Front 1 111819 10 Elbow Orifice Front 1 15...

Page 34: ...Models VGC18 N P R VGC24 N P R VGC30 N P R EC18 N P R EC24 N P R AND EC30 N P R This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replac...

Page 35: ...1 9 121079 01 121079 01 121079 01 Switch Log 1 Parts Log Sets for Models VCC18 N P R VCC24 N P R and VCC30 N P R This list contains replaceable parts used in your heater When ordering parts follow the...

Page 36: ...let Gas Pressure in of water Max 14 W C Min 11 W C For purpose of input adjustment VGC EC VCC 24NR Rating Variable 28 000 39 000 Btu Hr Type Gas Natural Ignition Electronic Manifold Pressure 3 4 W C I...

Page 37: ...acement part s call DESA Heating LLC at 1 866 672 6040 for referral information A list of authorized dealers can be found by visiting www desatech com When calling DESA Heating LLC have ready model an...

Page 38: ...MT1 For all models The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected WALL MOUNT ON OFF SWITCH GWMS2...

Page 39: ...___________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________...

Page 40: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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