ServicePlus S17R Series 2
User Operating Instructions
The Horstmann ServicePlus S17R timeswitch will allow up to 3
ON/OFF settings per 24 hours on a weekly schedule and has a 1
hour manual boost and advance button to temporarily override
current settings.
There is also a programming switch allowing permanent
selection of: OFF/ON/AUTO/ALL DAY
Additionally, the ServicePlus timeswitch gives an advance
warning of the annual boiler safety check due date.
1
Single Channel Timeswitch
