
13
HEATING
NOTE
This conversion applies only if....
An additional terminal
block may be required
where these
disconnected leads
(or pairs) should be
terminated
ON COM OFF
456 LINK L - 2 - 5 ABCD
2-3
7-6 8
7 8 9 Terminals 5,8 & 10 are LINKED
6 7 8 Terminals 5 & 7 are LINKED
354
452
Programme
selectors UNLINKED
ABCD
2-3
152
8-7
5 - - 6,4
1-2
345
435
4-- 36
4-2
Programme
selectors UNLINKED
1-2
1-2
Programme
selectors UNLINKED
ABC
headed “NOTE This conversion ...” to determine whether Table A (pages 12-15) or
Table B (pages 16-19) should be used. If in any doubt, contact our Technical Services
Department before proceeding with the replacement.
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