Ideal 229177 Halo Heat and System 2 Zone Extension Thermostat User Guide
HALO SYMBOL KEY
SYMBOL
NAME
EXPLANATION
Flame
Indicates your heating is on
Fault
Indicates there is a fault with the boiler
Childlock is set so the Halo cannot be altered
Override or plus hours function is active
Optimised start is active
Child lock
Override
Optimised start
Delayed start
Optimised stop
Frost protection
OP
Delayed start is active
D
S
Optimised stop is active
OP
Frost protection is active
Service due in:
- 60 days (grey)
- 30 days (amber)
- 0 days (red)
Service due
Halo Description
Central heating
Hot water
Indicates which zone the Halo unit is controlling
Central heating scheduling screen.
Indicates the hot water mode.
W
| General | Details |
|---|---|
| Name | Ideal 229177 Halo Heat and System 2 Zone Extension Thermostat User Guide |
| Make | IDEAL |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.83 MB |





































