ST699
The ST699 electronic dual zone timer
with two ON/OFF periods per day.
Wallplate compatibility with 7-day version (ST799)
ELECTRONIC DUAL
ZONE TIMER
PRODUCT DATA
is used to control gravity, primary or
fully pumped central heating systems
requiring a single 24 hour programme
ST699 incorporates a simple and
intuitive programming concept which
established its predecessor as the
leading electronic dual zone timer on
the market.
ST699 is designed for European CEN
approval.
• 24-hour programme
• Independent heating and hot water channels
• One or Two ON/OFF periods per day
• Built-in programme
• Temporary programme override/advance
• 7-day battery back-up
• Compact size
• AM/PM or 24 hour clock format (factory option)
• 10 minute programme resolution
• 3 A resistive/inductive (@ 0.6 pf) 230 V~ SPDT relay
rating
• Simple/intuitive programming
• Surface or wallbox mounting options
• Pack contains everything for immediate installation
EN0R 8439 R0
ST699 ELECTRONIC DUAL ZONE TIMER
: Electronic dual zone timer
: 03.00 AM to 02.50 AM (on the next day)
: Rear or bottom edge (surface wiring
Power supply : 230 V~ (±10%), 50 HZ
Power reserve : Rechargeable battery with 7 days
backup following a 24 hour charging
period
Switch rating : 2 x SPDT potential free
3 A resistive @ 230 V~ (± 10%), 50 Hz
3 A inductive @ 0.6 pf
Programme : 24-hour with two ON/OFF periods daily
Programme
resolution
Override : Advance next programme time
: 10 minutes
(change)
access)
Wire gauge : 0.75 to 2.5 mm2 two max. per terminal
Dimensions : 100 x 100 x 38 mm (w x h x d)
: IP20 (IEC 529)
Environmental : Operating temperature range 0 to 45oC
Shipping and storage temperature
range -20 to 55oC
Humidity range 0 to 90% rh, non-
condensing
Approvals : Designed to meet European CEN
approval EN60730
Life : 7 years minimum
ST699B1002
Mounting
Remove the subbase from the timer by depressing the
securing clip A and pulling the two halves apart. See fig. 1
The ST699 can either be mounted onto the wall surface or a
flush mounted UA1 (with 60.3 mm pitch mounting holes)
using the screws supplied.
IMPORTANT
1. The installer must be a trained service
engineer
2. Disconnect the power supply before beginning
installation
EN0R 8439 R0 2
Fig. 1