User manual HONEYWELL ST699
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Manual abstract: user guide HONEYWELL ST699
Detailed instructions for use are in the User's Guide.
[. . . ] ELECTRONIC DUAL ZONE TIMER
PRODUCT DATA
The ST699 electronic dual zone timer is used to control gravity, primary or fully pumped central heating systems requiring a single 24 hour programme with two ON/OFF periods per day. [. . . ] Remove the terminal cover to allow access to the wiring terminals as shown in fig. 2. Connect the systems wiring as shown by the specific applications wiring diagram. A maximum of two 2. 5 mm2 (cross sectional area) wires can be connected to each terminal as shown in fig. 3. Each wire should be stripped of insulation to a length no greater than 7mm to safeguard against the possibility of electrical shorts. 2
Systems Wiring
Basic Wiring
DHW ON DHW OFF CH ON CH OFF
PUMP
CLOCK
CLOCK
ST699
ST699
*A link must be provided between L-5-8 on the subbase of ST699 for all Sundial Plans, or fully controlled pumped primary systems Basic System 2 - with room thermostat
BOILER
Basic System 3 - as System 2 except boiler cycling controlled by room thermostat when DHW is switched OFF
BOILER
FUSE
PUMP
PUMP
ROOM THERMOSTAT
ROOM THERMOSTAT
CLOCK
CLOCK
ST699
ST699
3
EN0R 8439 R0
ST699 ELECTRONIC DUAL ZONE TIMER
SUNDIAL PLAN WIRING DIAGRAMS
Y-Plan
ROOM STAT. MID-POSITION VALVE
S-Plan
HEATING
V4043H 2 PORT ZONE VALVE
V4043H 2 PORT ZONE VALVE HOT WATER
ROOM STAT.
CYLINDER STAT.
3 A max
PUMP
PUMP
CLOCK
BOILER
CLOCK
BOILER
ST699
ST699
C-Plan
T6360/T4360 ROOM STAT.
L641 CYLINDER STAT.
V4043H 2 PORT ZONE VALVE
W-Plan
T6360/T4360 ROOM STAT.
L641 CYLINDER STAT.
V4044 DIVERTING VALVE
3 A max
PUMP
3 A max
PUMP
CLOCK
BOILER
CLOCK
BOILER
ST699
ST699
Final Assembly
NOTE: In the Sundial S, W, and Y Plan wiring diagrams, connections are shown to basic boilers only. [. . . ] a pencil)
Honeywell Control Systems Limited Newhouse Industrial Estate Motherwell ML1 5SB United Kingdom
Helping You Control Your World
EN0R 8439 R0 [. . . ]
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