REMEHA Gas 210 ECO Información técnica descargar pdf (Pagina 29)

114494-190310

GAS 210 ECO PRO

8. Control and electrical connections

Connect the water pressure sensor to the Wps terminals of termi-

nal strip X5.

0 = Earth or neutral of the power supply

S = Signal or output from the sensor

+ = Supply voltage

8.5.6 Outside temperature sensor (Tout)

To take advantage of the boiler's modulating operation during the

entire heating season, a Remeha outside temperature sensor

(available as an accessory) can be used in combination with an

on/off control or connection. Connect the on/of f control or connec-

tion to the On/off terminals of terminal strip X6 on the standard

control PCB (PCU-01) and the outside temperature sensor to the

Tout terminals of terminal strip X5 on the optional expanded con-

trol/protection PCB (SCU-SO1). The unit modulates with a heat

demand from the controller or because of a connection to a flow

temperature corresponding to the outside temperature ( see heat-

ing curve graph).

Fitting the outside temperature sensor

Fit the external sensor, protected against direct sunlight, to the

north or north-west of the building, at a height of at least 2.5

metres from ground level. Do not fit the outside temperature sen-

sor near windows, doors, ventilation grills and extractors, etc.

Heating curve setting

The maximum flow temperature setting is also the setting for the

‘top’ of the heating curve, i.e. the required flow temperature for an

outside temperature of -15°C. The baseline of the heating curve is

also adjustable and can be changed at service level, see Section

9.1.6. A linear relationship exists between the outside tempera-

tures mentioned and the corresponding flow temperatures.

01020-15

1 14492LTAL21H025b

fig. 16 Heating curve graph

F = factory setting

8.5.7 Minimum gas pressure switch (Gps)

The minimum gas pressure (available as an accessory) switch

shuts the boiler down if the inlet gas pressure becomes too low .

Connect the minimum gas pressure switch to the Gps terminals

of terminal strip X5. The presence of the gas pressure switch

must be activated using parameter 27 in the setting mode (see

Section 9.1.6).

8.5.8 Gas leakage control (VPS; only for 210- 160

and 210- 200 boilers)

The gas leakage control checks and controls the safety valves on

the gas block via a VPS system. The test takes place when the

boiler starts. In the event of a leak in the gas block, the boiler will

lock out. Connect the gas leakage control to the VPS terminals of

terminal strip X5. The presence of a gas leakage control must be

entered using parameter 31, see Section 9.1.6.

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 71 72

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