Regulation And Safety Equipement - REMEHA 350 Technical Information

6. REGULATION AND SAFETY EQUIPEMENT

6.1 General
The Remeha Gas 350 is supplied with electronic control
and safety equipment with ionisation fl ame detection.
6.2 Instrument panel
The Remeha Gas 350 is supplied with an instrument
panel that is fi tted in the front of the boiler. The standard
instrument panel can be extended with the fi tting of
the following options: hour run meters, water pressure
switch, down draught thermostat, no volt contacts and/or
®
rematic control.
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)
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 fi lter
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.
All connections are pre-wired and fi tted with plugs. The
capillaries from the control panel should be fi tted in the
pocket of the boiler, which is fi tted in the fl ow connection
of the boiler.
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4
6. Analogue thermometer for water temperature
7. High - Limit thermostat 110°C (pre set)
8. Warning light (lock out)
9. Option for rematic
6.3.2 Specifi cation
1 Gas Multi-Bloc contains A.B.C.
A 2 Safety shut off valves
B 1 Gas governor
C 1 Gas fi lter
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 fl ame detection.
6.4.2 Down draught thermostat
Optional the boiler can be fi tted with a down draught
thermostat. When there is down draught of the fl ue 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.
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® weather compensator