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new RIVER IDRO T2 - TESIS Airtight T2 - MIRA T2 - MAYA idroT2
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LEGEND
2
Electronic board
3
Storage tank
4
Room thermostat
5
Storage tank thermostat
6
Switch box
7
Strap-on thermostat
8
Booster Pump
9
Non-return valve
10
Expansion vessel
11
Hot H2O manifold
12
Cold H2O manifold
13
Radiator
14
Auxiliary boiler
15
Zone valve
A
Boiler power supply
B
Auxiliary system pump supply
C
Alarm signal
8.16 OPERATING MODE
The operating mode for hydro boilers is AUTOMATIC only (manual mode is not envisioned). Flame modulation is managed accor-
ding to the “System configuration” of the room probe placed on the rear of the appliance (see drawing), by the external thermo-
stat, by the boiler water temperature or by the NTC probes.
Fig. 71 - Probe position
8.17 ELECTRICAL CONNECTIONS
Terminal board contacts (see ):
CONTACTS
POS.1-2 EXTERNAL THERMOSTAT/PUFFER THERMOSTAT
POS.3-4 PUFFER/BOILER PROBE
POS.5 EARTHING
POS.6-7 ADDITIONAL BOILER
POS.8 3-WAY VALVE NEUTRAL
POS.9 3-WAY VALVE PHASE (DHW)
POS.10 3-WAY VALVE PHASE (heating)
To access the “W” terminal board, remove the cap as shown in part 1 of the manual (in the paragraph dedicated to removing
the back), then loosen the two “z” screws and remove the “W” terminal board. Make the necessary connections and reassemble
everything.
Содержание RIVERIDRO 16 T2
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