n
Connecting a direct heating circuit and a type 100HL /
220 SHL DHW tank
X20
X4
2
7
3
6
5
4
C003827-D
On/off
OT
BL
RL
S EXT S ECS
1
+ TA -
2 1
PCU
SCU-S191
A
Connect the outside temperature sensor (Option).
Z
Connect a safety thermostat if the heating circuit is for
underfloor heating.
4
Remove the bridge.
4
Connect the wires from the safety thermostat to the
connector.
E
Connect the DHW pump.
R
Connect the plate exchanger sensor.
T
Connect the DHW sensor.
Y
Connect the DHW tank anode.
U
Connect a ON/OFF thermostat or OpenTherm controller
to the terminals of the connector (Option).
4
Remove the bridge.
4
Connect the wires from the ON/OFF thermostat to
the connector
5. Installation
CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
40
22/04/2016 - 300026141-001-07