Product Description
Electronic 2 zone timers with digital display and linked heating and hot water time programmes.
For hydronic central heating applications.
Technical Properties
Time program |
7 day |
Modes of operation |
off/cont/twice/once |
Time setting resolution |
1 min. for clock, 10 min. for programmes |
Programmed on/off periods per day |
2 |
Approvals |
CE |
Control output |
relays |
Number of outputs for zones |
2 |
Switch function/capacity |
2 x SPST output 230Vac, 3 A resistive, 3 A inductive ratings |
LED functions |
indicate zone on/off |
Earthing |
double insulated |
Housing (HxWxD) |
100 mm | 100 mm | 38 mm |
Protection class |
IP20 |
Terminal max. wire size |
1,5 mm2 |
Power supply |
230 Vac | 10 VA |
Memory back-up |
battery back-up maintains programmes and real time for 7 days |
Product literature language |
English |
Additional Descriptions |
ST699/799 time controls have built-up startup programme, temporary override facilities, and choice of AM/PM or 24-hour clock display.
ST799 model has LCD backlighting. |