Honeywell ST699 User Manual

OPERATING YOUR PROGRAMMER
For normal operation the
TIME SET selector
must be in the AUTO position.
Red indicator lamps show when the Heating
or Hot Water is switched ON.
The two lower selectors are used to control
your Heating and Hot Water as follows:
HEATING SELECTOR
OFF
The heating will remain
OFF perma-
nently.
CONT The healing will remain ON perma-
nently.
TWICE The heating will be swilched ON and
OFF automatically at the programme
times.
ONCE The heating will be switched ON
automatically after the first pro-
gramme ON time and OFF at the last
OFF lime. The first OFF and second
ON times will be ignored.
HOT WATER SELECTOR
The HOT WATER selector operates in the
same manner as described above for the
Heating.
DISPOSAL CAUTION
CHANGE
The two
CHANGE buttons switch the output
ON or OFF (without altering the programme}
when the TIME SET selector is in the AUTO
position and the HEATING and/or HOT
WATER selectors are set to ONCE or TWICE.
When the indicator lamp is ON, pressing the
CHANGE button switches the output OFF
until the next programme ON time.
When the indicator lamp is OFF, pressing the
CHANGE bullon switches the output ON until
the next programme OFF time.
POWER FAILURE
This unit has a built-in battery to ensure
correct operation after a mains power cut.
No action should be necessary following a
power cut of up lo 7 days. Longer power cuts
may require you to reprogramme the unit
This product contains a lithium rechargeable
bal!ery. Please observe the following safely
precautions on disposal:
• Do not dispose ol in lire or water.
• Do not attempt to replace the battery.
• Oo·not tamper with the battery.
Honeywell Control Systems Limited
Arlington Business Park
Bracknell
Berkshire
RG121EB
Tel: 01344 656000
Honeywell
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INTRODUCTION
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The ST699 electronic programmer is used to
control the ON/OFF timing or your heating
and hot water system. The system may also
incorporate a room temperature thermostat
and a hot water cylinder thermostat to switch
the heating appliance ON and OFF to main-
tain the correct temperatures.
ST699 INCORPORATES THE FOLLOWING
FEATURES:
• 24-hour programme
• Independent Healing and Hot Water
control
• Choice ot two
ON/OFF programme times
per day (TWICE) or one programme time
per day (ONCE)
• Built-in programme
• Temporary
ON/OFF override (CHANGE)
• Continuous
ON or OFF control (CONT. or
OFF)
• RESET button