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Skytech AFVK-SP Series User Manual

Skytech AFVK-SP Series
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Trouble Shooting Guide
for
AFVK-SP Series Valve Kit
(AF-4000 Series Gas Valves)
AFVK-SP, AFVK-SP-H/L, AFVK-SP-MH/L
f i r e - p a r t s . c o m
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Skytech AFVK-SP Series Specifications

General IconGeneral
BrandSkytech
ModelAFVK-SP Series
CategoryControl Unit
LanguageEnglish

Summary

General Lighting Information

Lighting Procedure

Procedure for activating the pilot assembly and burner ignition using the ON button and radio frequency signal for gas valve operation.

Control Module Fault Codes

The control module acts as the system's brain, indicating faults via audible beeps.

Fault Codes

Ignition Safety

Indicates a failure in the ignition sequence or burner ignition within 60 seconds, signaled by one beep per second.

Sensor Safety

Signaled by constant beeping, this fault occurs when a flame is detected but not present, or if the sensor wire is shorted.

Thermal Safety

Indicates overheating where internal module temperature exceeds 170 degrees F, signaled by four beeps every two seconds.

Other Symptoms

Burner Flame Modulation Issues

Troubleshooting steps for when the burner flame does not modulate correctly or operates backward.

Flame Height Adjustment

Addresses issues with flame height appearing too high (HI) or too low (LO) and gas type conversion.

No Audible Beep from Module

Troubleshooting steps when the control module does not emit an audible beep when using the transmitter.

Burner Not Lighting (Pilot ON)

Diagnoses why the main burner fails to ignite when the pilot light is already on.

Specifications

Gas Connections

Details the NPT thread sizes for main gas inlet/outlet and optional side inlet/outlet connections.

Pilot Gas Connections and Flow

Specifies the connection size and flow rate for pilot gas.

Ambient Temperature Range

Defines the operational temperature range for the valve kit in Fahrenheit and Celsius.

Voltage and Pressure Ratings

Lists the required DC voltage for operation and the maximum pressure rating.

Approvals and Part Numbers

Provides CSA approval details and specific part numbers for the valve and module.

Procedures For Qualified Technicians

Test Voltage to Gas Valve

Procedure for testing the voltage supply to the gas valve using a multimeter.

Test Burner Coil Resistance

Method for testing the resistance of the burner coil at the gas valve to check its functionality.

Test Static and Operating Line Pressure

Guidance on checking gas line pressure differences between static and operating states.