56
926.116.5 - en
INSTRUCTIONS FOR FITTERS
26. CONNECTING THE EXTERNAL PROBE
The wiring harness leaving the control board includes to RED wires tted with faston covers. Connect the external probe
to these two wires.
With the external probe connected it is possible to change the curve “kt” (Graph 1) by means of the
+/- buttons.
0505_3002
TM
Te
TM = Delivery temperature range
Te = External temperature
Chart 2
“kt” curves
27. CONNECTION OF AN EXTERNAL STORAGE BOILER
Model 1.24 F - 1.24 - 1.14 F - 1.14
The DHW priority sensor NTC and the motor of the 3-way valve are not included in the kit of the appliance because they
are supplied as accessories.
STORAGE BOILER PROBE CONNECTION
The boiler may be connected to an external storage boiler. Hydraulically connect the storage boiler as in g. 15. Connect
the DHW priority sensor NTC to the terminals 5-6 on the terminal block M2. The sensitive element of the sensor NTC
must be inserted in the special well provided on the storage boiler. The DHW temperature (35 °C...60 °C) is regulated by
means of the
+/– buttons.
Figure 14
0807_3101 / CG_2085
UB STORAGE BOILER
UR HEATER
V3V EXTERNAL THREE-WAY VALVE
M2 CONNECTING TERMINAL
BLOCK
SB DHW PRIORITY STORAGE
BOILER PROBE
MR HEATING DELIVERY
MB DHW DELIVERY
RR HEATING/STORAGE BOILER
RETURN
IMPORTANT: Ensure that parameter ' (section 21).
ELECTRICAL CONNECTION OF THE 3-WAY VALVE MOTOR (models 1.24 F - 1.24 - 1.14 F - 1.14)
The motor of the 3-way valve and the respective wiring are supplied separately as a kit. Connect the motor of the 3-way
valve as described in the instructions supplied with the accessory.
To Next Page
Loading...
Need help?
General