Heat Pump - Floor Standing Boiler" Connections - Junkers 7 736 503 876 Mode D'emploi

Fig. 7
Connecting coil temperature sensors
Ensure the temperature sensor and coil make good
contact.
▶ Thermally insulate the temperature sensor so
that the temperature at the coil inlet can be
measured accurately.
▶ Position the temperature sensor NTC of the accessories
[1] as shown in Fig. 8.
▶ Fasten the temperature sensor NTC to the water pipe using
the plastic spiral [2] supplied.
▶ Wrap the temperature sensor in insulation [3].
▶ Secure the insulation using the 2 cable ties [4] supplied.
▶ Connect the terminals of the temperature sensor NTC in
the terminal box to the "NTC COIL" terminals.
Fig. 8
6 720 821 590 (2019/10)
2.
1.
6720805338-20.1V
3.5 "Heat pump – floor standing boiler"
connections
Connection only possible for floor standing
4
boilers which have a storage connection
available.
This connection requires a 2-wire cable
(not included in the standard delivery).
3
2
1
Fig. 9
[1] Temperature sensor NTC (coil)
[2] Temperature sensor NTC (in the middle of the cylinder)
[3] Boiler
2
1
3
4
Installation
1
2
6720805338-11.3V
3
7