Control And Safety Equipment; General; Instrument Panel; Standard Electronic Gas Train High/Low - REMEHA Gas 550 Technical Information

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CONTROL AND SAFETY EQUIPMENT

6.1 General

The Remeha Gas 550 is supplied with electronic control
and safety equipment with ionisation flame detection.

6.2 Instrument panel

The Remeha Gas 550 is supplied with an instrument
panel mounted in the front of the boiler, either left or
right. All connections are pre-wired and fitted with plugs.
The capillaries from the instrument panel should be
fitted in the thermostat pocket of the boiler flow con-
nection, which is fitted in the top front of the end section.
The instrument panel and the flow connection with ther-
mostat pocket should always be fitted on the same side
of the boiler, either left or right.
Fig. 05 Instrument panel
04.05F.79.00001
The instrument panel contains:
1. Operating switch (On/Off);
2. Control thermostat On/Off, range 35°C-95°C;
3. Control thermostat High-Low, range 35°C-95°C;
4. Hour run meter total running hours (option);
5. Hour run meter full load hours (option);
6. Analogue thermometer for flow temperature;
7. High – limit thermostat preset to 110°C;
8. Lock out warning lamp;
®
9. Option for rematic weather compensator;
10. Reset for water level control.
The Instrument panel mounted in the front casing also
contains circuit boards for:
- Water level control (see §9.6);
- Common alarm and operating signal.
Supplied By www.heating spares.co Tel. 0161 620 6677

6.3 Standard electronic gas train High/Low

6.3.1 Schematic

Fig. 06 Schematic layout gas train
04.05F.AP.00001
Legend
A Gas cock
AB Pilot burner
DR Gas pressure regulator
F Gas filter
HB Burners
MK Pilot gas valve
MP Measuring point
VA Safety shut off valve
OT Ignition transformer
VB Ionisation probe
MB Gas multibloc valve
- - - Not supplied as standard

6.3.2 Control panel on gas train

The instrument panel is linked to the control panel on
gas train by means of a cable and connector. If required
the control panel (and gas train) can be fitted on the
opposite side of the boiler by using extension cables
(option).
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Fig. 07 Front of Control panel
04.05F.79.00002
1. Control box Satronic MMI 816;
2. Ignition transformer Satronic ZT 870;
3. Operation report circuit board.
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