Installation Of The Strain Relief; Connecting The On/Off Room Temperature-Dependent Control Unit; Connecting The Rth Convertor (Only For 50-V2 And 65-V2) - Bosch Worcester GB162-50 V2 Installation, Commissioning And Servicing Instructions

▶ Connect the components to the relevant plug.
1
Fig. 51 Terminal strips
[1] 24 V AC terminal strip
[2] 230 V AC terminal strip
6.3

Installation of the strain relief

▶ Always pass the cable to be installed through a supplied strain relief
mechanism before attaching it to a mains plug.
▶ Trim the grommet of the strain relief according to the dimension of
the cable.
A
B
Fig. 52 Cable entry
▶ Connect the wire to the corresponding connector block.
▶ Plug the connector block in at the terminal strip.
6720814332 (2018/04)
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6720807034-49.1TD
6 720 807 034-056.1DDC
▶ Tighten the screw of the strain relief.
Fig. 53 Tightening the screw
6.4 Connecting the on/off room temperature-dependent
control unit
All standard potential-free on/off room temperature-dependent control
units without heat acceleration element (anticipation resistor) can be
connected.
▶ Connect the on/off room temperature-dependent control unit via the
green plug on the terminal strip [1]. The maximum permissible
electrical resistance of this cable is 100 Ω.
13 12 11 10 9 8 7 6 5 4 3 2 1
Fig. 54 Connecting the on/off room temperature-dependent control
unit
6.4.1

Connecting the RTH convertor (only for 50-V2 and 65-V2)

WARNING:
▶ This appliance must be earthed.
The boiler can be fitted with the following external controls:
• a room-temperature control device at 230 V connected via the relay
supplied (only for 50-V2 and 65-V2). For connection, see the
electrical wiring diagram supplied with the 230 Volt convertor,
• On/off temperature controller, Volt free.
Electrical connection
6 720 807 034-059.1TD
1
6 720 807 034-011.1TD
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