Bosch Worcester Danesmoor Utility Regular ErP+ 12/18 Installation, Commissioning And Servicing Instruction Manual page 35

Utility - Remote 2 or 3 port valve control set using remote programmer
•
= EARTH
•
= LIVE
•
= NEUTRAL
•
= SWITCHED LIVE
OUTSIDE BOILER
INSIDE BOILER
Fig. 59
Greenstar Danesmoor Utility ErP+ and Utility System
Key to components:
K - REMOTE JUNCTION BOX (10-way) to
connect the following (refer to manufacturers instructions):
>Mains wiring 230V 50Hz.
K
>Hot water tank thermostat.
>Room thermostat.
>System water valves.
>Circulating pump.
>External programmer.
E - TERMINAL CONNECTOR BLOCK.
Remote (10 way) junction box (K) requirements:
>The junction box (K) must be a terminal block type,
current rated to at least 5 amps.
>A 5 amp fuse must be fitted to the mains supply.
>The junction box (K) must be fitted externally to the boiler.
A frost thermostat can also be connected to the
remote junction box if required.
E
1 2 3
ErP+ - 6 720 821 720 (2018/04)
Installation
35