Benchmark RD 532 combi - Mains Voltage External Controls Connections

6 720 611 451 GB (03.11)
22
Electrical connections
4.2 Mains Voltage external controls
connections
Fig. 29
Note: If an external timer is used then the domestic hot
water pre-heat facility can only be reduced in tempera-
ture (approx. 25°C) by using the ‘ECO’ button on the
fascia.
6 720 610 576 - 23.TD
230 V Room Thermostat Connections
Ns
Ls
L
R
ST4
Ns
Ls
L
R
ST4
Remove Link
Neutr al
Liv
e
Swit
ched Liv
e
Neutr
al
Live
Swit
ched Live
Motor
230 V Pr
ogrammer Connections
Ns
Ls
L
R
ST4
Neutral
Live
N
e
u
tr
a
l
Swit
ched Liv
e
Motor
Series
connection
to be made
safe
NOTE: Only double insulated controls not requiring an earth can be used
230 V room
thermostat and
Programmer
Connections
Live
Switched Live
External wiring
and connector
block not supplied