Remeha Selecta
28
Fig. 16 External connections to terminal connector X4
pdf
Note: All electrical connections made to the X4 connector plug must be volt free
Explanation of diagrams:
1. Time only –on/off using a simple time clock or temperature only – on/off using
a simple room stat.
2. Time and temperature – compensated using programmable modulating con-
trol.
3. Temperature only – weather compensated using an outside sensor.
4. Temperature and frost protection – on/off using a simple room and frost stat.
1. + 3. Time and temperature – simple time clock and weather compensated using
an outside sensor.
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