Heatiator NB3933MI, NB4236MI, NB4842MI, NB3630MI owner manual Intellifire Ignition System

Page 36

B. Intellifire Ignition System

 

Symptom

 

Possible Causes

Corrective Actions

1.

The ignitor/module makes

A.

Incorrect wiring.

Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor are

 

noise, but no spark.

 

 

connected to the correct terminals on the module and the pilot assembly.

 

 

 

 

Reversed wires at the module may cause the system to make a sparking

 

 

 

 

noise, but the spark may not be present at pilot hood.

 

 

B.

Loose connections or

Verify there are no loose connections or electrical shorts in wiring from

 

 

 

electrical shorts in the

module to pilot assembly. The rod closest to the pilot hood should be ignitor.

 

 

 

wiring.

Verify connections underneath pilot assembly are tight; also verify the

 

 

 

 

connections are not grounding out to the metal chassis, pilot burner, pilot

 

 

 

 

enclosure, mesh screen if present, or any other metal object.

 

 

C.

Ignitor gap is too large.

Verify gap of ignitor to pilot hood. The gap should be approximately .17 in. or

 

 

 

 

1/8 in.

 

 

D.

Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor

 

 

 

 

wire “I” from module. Place ON/OFF rocker switch or wall switch in ON

 

 

 

 

position. Hold ground wire about 3/16 in. away from “I” terminal on module. If

 

 

 

 

there is no spark at “I” terminal, module must be replaced. If there is a spark

 

 

 

 

at “I” terminal, module is fine. Inspect pilot assembly for shorted sparker wire

 

 

 

 

or cracked insulator around electrode.

2.

Pilots won’t light, there is

A.

Transformer installed

Verify that transformer is installed and plugged into module. Check voltage of

 

no noise or spark.

 

incorrectly.

transformer under load at space connection on module with ON/OFF switch

 

 

 

 

in ON position. Acceptable readings of a good transformer are between 3.2

 

 

 

 

and 2.8 volts AC.

 

 

B.

A shorted or loose

Remove and reinstall the wiring harness that plugs into module. Verify there is

 

 

 

connection in wiring

a tight fit. Verify pilot assembly wiring to module. Remove and verify continuity

 

 

 

configuration or wiring

of each wire in wiring harness.

 

 

 

harness.

 

 

 

C.

Improper wall switch

Verify wall switch is wired correctly.

 

 

 

wiring.

 

 

 

D.

Module not grounded.

Verify black ground wire from module wire harness is grounded to metal

 

 

 

 

chassis of appliance.

 

 

E.

Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor

 

 

 

 

wire “I” from module. Place ON/OFF rocker switch or wall switch in ON

 

 

 

 

position. Hold ground wire about 3/16 in. away from “I” terminal on module. If

 

 

 

 

there is no spark at “I” terminal module must be replaced. If there is a spark at

 

 

 

 

“I” terminal, module is fine. Inspect pilot assembly for shorted sparker wire or

 

 

 

 

cracked insulator around electrode.

3.

Pilot lights but continues

A.

A shorted or loose

Verify all connections to wiring diagram in manual. Verify connections

 

to spark, and main burner

 

connection in sensor rod.

underneath pilot assembly are tight. Verify connections are not grounding out

 

will not ignite. (If the pilot

 

 

to metal chassis, pilot burner, pilot enclosure or screen if present, or any other

 

continues to spark after

 

 

metal object.

 

the pilot flame has been

 

 

 

 

B.

Poor flame rectification or

Verify flame is engulfing sensor rod. If the pilot assembly does not have a

 

lit, flame rectification has

 

 

contaminated sensor rod.

ground strap, consider installing one to increase flame rectification. Verify

 

not occurred.)

 

 

 

 

correct pilot orifice is installed and inlet gas specifications are met. Flame

 

 

 

 

 

 

 

 

carries rectification current, not the gas. If flame lifts from pilot hood, the

 

 

 

 

circuit is broken. A wrong orifice or too high an inlet pressure can cause pilot

 

 

 

 

flame to lift. The sensor rod may be contaminated. Clean sensor rod with

 

 

 

 

emery cloth.

 

 

C.

Module is not grounded.

Verify that module is securely grounded to metal chassis of appliance. Verify

 

 

 

 

that the wire harness is firmly connected to module.

 

 

D.

Damaged pilot assembly

Verify that ceramic insulator around the sensor rod is not cracked, damaged,

 

 

 

or dirty sensor rod.

or loose. Verify connection from sensor rod to white sensor wire. Clean

 

 

 

 

sensor rod with emery cloth to remove any contaminants that may have

 

 

 

 

accumulated on sensor rod. Verify continuity with a multimeter with ohms set

 

 

 

 

at lowest range.

 

 

E.

Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor

 

 

 

 

wire “I” from module. Place ON/OFF rocker switch or wall switch in ON

 

 

 

 

position. Hold ground wire about 3/16 in. away from “I” terminal on module. If

 

 

 

 

there is no spark at “I” terminal, module must be replaced. If there is a spark

 

 

 

 

at “I” terminal, module is fine. Inspect pilot assembly for shorted sparker wire

 

 

 

 

or cracked insulator around electrode.

36

Heatilator • Novus BV-Mesh • 4031-553 Rev F • 11/07

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Contents What to do if you smell gas Hot glass will cause burnsCongratulations Listing Label Information/LocationTable of Contents Listing and Code Approvals Design and Installation Considerations Getting StartedNegative Pressure Negative PressureAsphyxiation Risk Tools and Supplies Needed Inspect the Appliance and ComponentsAny such action may cause a fire hazard Framing and Clearances Select Appliance LocationFire Risk Construct the Appliance Chase Clearances Fire Risk Odor RiskMantel Projections Clearances to Mantels or Other Combustibles Above ApplianceTermination Locations Vent Termination Minimum ClearancesFire Risk Explosion Risk Termination Caps Staggered HeightVent Information and Diagrams Vent Guidelines Vent System ConfigurationModel Pipe Size Fire Risk Explosion Risk Asphyxiation RiskElbow Distance is 50% of vertical Vent height Vent Clearances and Framing Pipe Clearances to CombustiblesWall Penetration Framing Vertical Penetration FramingInstalling Outside Air Kit Damper Assembly Appliance PreparationRisk of Smoke Spillage Fire Risk Asphyxiation RiskGas and Electrical Connections Securing and Leveling ApplianceInstalling Vent Pipe Attach Vent to Firebox AssemblyAssemble Vent Sections Securing Vent SectionsGas Information Fuel Conversion Gas ConnectionGas Pressure Pressure Natural Gas PropaneCheck for GAS Leaks Recommendation for Wire Connecting to the ApplianceIntellifire Ignition System Wiring Optional Accessories RequirementsStanding Pilot Ignition System Wiring GASJunction Box Installation Wall Switch Installation for Fan Op- tionalFinishing Facing MaterialAppliance Setup Replace Glass Assembly Install Clean Face ComponentsInstall Hood Install Top Latch CoverInstall Floor Cover Install Bottom Latch CoverInstall Firescreen Assembly Air Shutter Setting 10 Air ShutterOperating Instructions Before Lighting ApplianceBefore operating this appliance, have a qualified technician Fire Risk Combustion Fumes RiskCheck Appliance Draft Checking Appliance DraftLighting the Appliance Intellifire IgnitionFor Your Safety Read Before Lighting IgnitionFrequently Asked Questions Initial Break-in ProcedureFire Risk High Temperatures Issue SolutionsTroubleshooting Symptom Possible Causes Corrective ActionsStanding Pilot Ignition System Placed in this Opening Intellifire Ignition System Symptom Possible Causes Corrective Actions Maintaining and Servicing the Appliance Maintenance and Service Tasks Inspect Maintenance TasksAppliance Dimension Diagram Reference MaterialsThis page intentionally left blank Log/Grate Assembly ¨ B. Service Parts ListLog/Grate Assembly Description of Part NB3630M NB3630MI QtyWool, Rock, Vermiculite #13 SP Valve Assembly NB3630M Series NB3933M Series Description of Part NB3933M NB3933MI Qty #13 IPI Valve Assembly NB3933M Series NB4236M Series Description of Part NB4236M NB4236MI Qty #13 SP Valve Assembly #13 IPI Valve Assembly NB4236M Series NB4842M Series Description of Part NB4842M NB4842MI Qty #13 IPI Valve Assembly NB4842M Series Optional Components Model # DescriptionGFK4B TKN62B TKN22B Fixed, Cabinet-Style TB33 Traditional Brick Refractory This page intentionally left blank This page intentionally left blank This page intentionally left blank Limited Lifetime Warranty Limited Lifetime WarrantyYear Limited Warranty How to Obtain ServiceDo Discardnot

NB3933M, NB3630M, NB3630MI, NB3933MI, NB4236M specifications

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