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INSTRUCTIONS— GAS AIR HEATER -
MINIGAZ Eco
MH Eco, MC Eco, MV Eco– NT09004I-GB – 29/11/2017
4-2 Wiring diagram of gas air heaters (Eco type)
VT
Air fan
RFP5
Pilot wire receptor
Limit
Overheat air thermostat—manual reset
Fan
Fan air thermostat
Reg
Control burner air thermostat
Mod
Modulating burner air thermostat
CC
Control box
MVE
By products fan
PA
Air combustion pressure switch
SI
Ionisation electrode
EA
Ignition electrode
EVR
Modulating gas valve
EVG
Solenoid gas valve
Do not stop mains supply, wait fan stop.
JP1 Supply connector
JP3 Fan connector)
Burner reset
Faulty burner light
JP2 Burner connector
Pilot wire receiver (RFP5)
The modulation air thermostat bulb (Mod) is located on the fan grid for MV models and in air flow for other models
Only for MV Eco type
Phase / brown
Neutral / blue
Earth / green & yellow
Pilot / Black
Faulty signal (in option)
RFP5
Fuse (6,3 A)
1 3 2