7
6. REGULATION AND SAFETY EQUIPEMENT
6.1 General
The Remeha Gas 450 is supplied with electronic control
and safety equipment with ionisation flame detection.
6.2 Instrument panel
The Remeha Gas 450 is supplied with an instrument
panel that is fitted in the front of the boiler. The standard
instrument panel can be extended with the fitting of the
following options: hour run meters, water pressure
switch, down draught thermostat, no volt contacts and/or
rematic
®
control.
All connections are pre-wired and fitted with plugs. The
capillaries from the control panel should be fitted in the
pocket of the boiler, which is fitted in the flow connection
of the boiler.
6.3.2 Specification
1 Gas Multi-Bloc contains:
2 Safety shut off valves
1 Gas governor
1 Gas filter
1 Pilot gas valve
1 Pilot burner with ionisation probe
and ignition probe
6.3.3 Control panel behind front panel
1 Control box Satronic
1 Ignition transformer 16 kV
6.4 Functions
6.4.1 Flame protection
Flame protection by means of ionisation flame detection.
6.4.2 Down draught thermostat
Optional the boiler can be fitted with a down draught
thermostat. When there is down draught of the flue
gases this thermostat will switch off the boiler.
Fixed setpoint is 70°C.
6.4.3 Thermostats
Control thermostat On/Off 35°-95°C.
Control thermostat High/Low 35°-95°C.
High-Limit thermostat locks out at 110°C.
6.3 Standard electronic gas train High/Low
6.3.1 Schematic
Fig. 05 Gastrain
Legend
A Gas cock
AB Pilot burner
DR Gas governor
F Gas filter
HB Main gas burners
MB Gas multibloc
OT Ignition transformer
MK Pilot gas valve
MP Measuring point
VA Safety shut off valve
VB Ionisation probe
- - - - Not supplied.
6. Analogue thermometer for water temperature
7. High - Limit thermostat 110°C (pre set)
8. Warning light (lock out)
9. Option for rematic
®
weather compensator
8
7
5
4
9
1
2
3
6
Fig. 04 Layout of the instrument panel, extended with hour counters
1. Operating switch (On/Off)
2. Control thermostat On/Off. Setting between 35 - 95°C
3. Control thermostat high/low. Setting between 35 - 95°C
4. Hour run meter total running hours (not standard)
5. Hour run meter full load hours (not standard)
