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Installation
Connect the black pre-wired lead to a permanent live
supply (from the same fused isolator as all other controls
on the heating system), L N E (fig. 24).
Remove the securing screw of the DBA and lower the DBA
(see fig. 30).
Disconnect the twin cable of the rth-converter from terminal
1 and 2 of the connection block (see fig. 31, item 1) on the
back of the DBA.
Connect the cable of the ModuLink 250 RF receiver to
terminal 1 and 2 of the room thermostat connection on the
back of the DBA (see fig. 31, item 1).
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for Buderus 500 - 24/C and 500 - 28/C • 02/2005
1
2
fig. 30 Lower the DBA
1
fig. 31 Room thermostat connection on DBA
Boulter Buderus Ltd. • http://www.boulter-buderus.co.uk
1
RTH-
converter
25
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