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HoneywellHoneywellHoneywellHoneywell®®®® Sundial Sundial Sundial Sundial
™™™™
~~~~
Domestic Central Heating Domestic Central Heating Domestic Central Heating Domestic Central Heating
Wiring DiagramsWiring DiagramsWiring DiagramsWiring Diagrams
with Supplementary Drawingswith Supplementary Drawingswith Supplementary Drawingswith Supplementary Drawings
Rev 1Rev 1Rev 1Rev 1dddd
2nd Edition2nd Edition2nd Edition2nd Edition
Revision History
8 AUG 09 1b Original Issue
26 NOV 09 1c
Amend Y-Plan wiring diagram to
show correct terminal arrangement
for cylinder thermostat.
General cleanup of wiring diagrams.
10 DEC 09 1d Remove references to 28mm valves
Note: This document has neither been produced nor endorsed by Honeywell. The information in
this document is provided as is with no implied warranty.
Use the information herein entirely at your own risk.
The Honeywell name and Sundial brand are copyright Honeywell International Inc.
All rights of the copyright holder are acknowledged by the author of this document.
Artwork (c) DaveyOz 2009
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. R
S 5
35
63
42
PU
MP
L E N
SO
LID
-ST
AT
ER
EL
AY
:Z
ER
O-C
RO
SS
ING
23
0V
AC
CO
NT
RO
LM
IN 2
30
V 3
AC
ON
TA
CT
RA
TIN
G
FL
OW
-SW
ITC
HC
ON
TA
CT
RA
TIN
G2
30
V A
C 1
A M
IN
FL
OW
-SW
ITC
HC
ON
TA
CT
RA
TIN
G2
30
V A
C 1
A M
IN
