HVACopediaMaxitrol · Gas fireplace · Ignition
GV60 remote-controlled valve startup
What happens, in order
- User presses Up-flame and Off together; the handset goes to manual mode
- Motor moves the valve to the pilot-only position and ratchets to prove the micro switch
- About 5 mV from the battery supply is applied to the gas valve magnet
- Solenoid pulls in on the magnet (audible clunk) and pilot gas flows
- Igniter sparks, the pilot lights and the thermocouple proves flame
- Relay in the receiver switches the magnet supply from batteries to the thermocouple
- Motor turns the valve to high flame
Timings and thresholds
| Item | Value |
|---|---|
| Battery box minimum | 5.8 V DC |
| Thermocouple closed circuit | 10-15 mV |
| Magnet pull-in | 5 mV or more |
| Magnet drop-out | About 2 mV |
| Drop-out time (good / bad) | Over 20 s / under 10 s |
| Manual light pilot hold | 10 s |
Applies to: Maxitrol GV60 remote control systems on fireplaces
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Sequences of operation, error codes and tips work offline in the HVACopedia app.
Source: 10 Important Technical Tests for the Maxitrol GV60 system (fido-manual_1529953034), GV60 Startup Sequence. Written in our own words; timings can differ by model and software version, so check the manual for your exact unit.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.