ST699 ELECTRONIC DUAL ZONE TIMER
Honeywell Control Systems Limited
Helping You Control Your World
Newhouse Industrial Estate
Motherwell ML1 5SB
United Kingdom
EN0R 8439 R0
NOTE: In the Sundial S, W, and Y Plan wiring diagrams,
connections are shown to basic boilers only. For
wiring connections to pump overrun boilers refer to
boiler manufacturers instructions or Honeywell for
assistance.
Final Assembly
When the wiring is completed, replace the terminal cover
ensuring it is correctly installed with ends located under the
tabs and the locking pin through the locating hole.
Replace the timer onto the wallplate, ensuring it is firmly
secured by the three securing clips.
Switch on the power and refer to the user's guide for
programming details.
If the display remains blank, press the RESET button
with a blunt object. (e.g. a pencil)
C-Plan
ROOM STAT.
CYLINDER
STAT.
MID-POSITION VALVE
BOILER
PUMP
CLOCK
3 A max
ST699
Y-Plan
ST699
W-Plan
T6360/T4360
ROOM STAT.
L641
CYLINDER
STAT.
V4044
DIVERTING VALVE
BOILER
PUMP
CLOCK
3 A max
ST699
ST699
T6360/T4360
ROOM STAT.
L641
CYLINDER
STAT.
V4043H
2 PORT ZONE VALVE
BOILER
PUMP
CLOCK
3 A max
SUNDIAL PLAN WIRING DIAGRAMS
S-Plan
HEATING
HOT
WATER
BOILER
PUMP
CLOCK
ST699
V4043H
2 PORT ZONE VALVE
V4043H
2 PORT ZONE VALVE
ROOM STAT.
CYLINDER
STAT.
