Boulter Buderus Benchmark 600-28C Installation And Servicing Instruction page 18

1 Installation
1.10.1 Regulating devices
The wall-mounted condensing gas boiler can be fitted with the
following control devices:
– ON/OFF temperature controller, volt free;
– a room-temperature control device at 230V connected to
the room control converter (fig. 21, item 2).
– or a Buderus RC or Buderus
controller.
1.10.2 230V Room-temperature control device
connection
Remove the cover of the room control converter (fig. 21,
item 1).
Lead the 230V control device wire through the cable lead
(see fig. 21).
Fix the 230V wire to position 1 and 2 of the 230V connec-
tion (fig. 21, item 2).
1.10.3 Volt free room-temperature control device
connection
Remove the cover of the room control converter
(fig. 22, item 1).
Lead the control device wire through the cable lead
(see fig. 22).
Fix the wire to position 1 and 2 of the volt free connection
(fig. 22, item 2).
1.10.4 Modulating room thermostat connection
Open the connection box (see fig. 23).
Subject to modifications resulting from technical improvements!
18
i
RT modulating room temp.
Installation and maintenance instructions for wall-mounted condensing gas boiler 600 - 28C • 01/2004
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fig. 21 Connection box - 230 Volt connection
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fig. 22 Connection box - Volt free connection
fig. 23 Connection box cover
Boulter Buderus Ltd. • http://www.boulter-boilers.com
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