Siemens Synco 700 - Releasing and Locking a Boiler; Test Mode and Commissioning Aids

70/238
Building Technologies Modular Heating Controller RMH760B CE1P3133en
HVAC Products 6 Boiler temperature control 05.02.2007
6.4 Releasing and locking a boiler
A boiler can be released or locked either via the digital input (release input) or operation
(boiler operating mode).
Main menu > Commissioning > Settings > … or
Main menu > Boiler > Boiler operating mode
Operating line Range Factory setting
Preselection
Auto / Release DHW /
Off
Auto
With the digital release input, the boiler will stay locked as long as the input is passive.
If the boiler is locked via the release input, setting Frost prot (release input off) can be
used to select whether or not the boiler shall remain off also when there is a heat
request due to frost protection.
• Setting Off: The boiler also remains off in the event of risk of frost
• Setting On: The boiler will be put into operation to ensure protection against frost
Main menu > Commissioning > Settings > … or
Main menu > Settings > Boiler > Limitations
Operating line Range Factory setting
Frost prot (release input off)
Off / On On
The boiler can also be locked depending on the outside temperature:
• The boiler will be locked when the attenuated outside temperature exceeds the
selected limit value
• The boiler will be released again when the composite outside temperature drops
1 K below the limit value
Main menu > Commissioning > Settings > … or
Main menu > Settings > Boiler > Operation settings
Operating line Range Factory setting
Outside temp lock limit value ---- / 5…30 °C ---- °C
6.5 Test mode and commissioning aids
For commissioning and for test purposes, the boiler along with the burner can be put
into various operating states via the service level.
Main menu > Boiler > Test mode
Operating line Range Factory setting
Preselection test mode Auto /
Boiler off /
Pump on (burner off) /
Stage 1 controlled /
St 1+2 controlled /
Modulating fixed
Auto
Boil setp test mode 10…95 °C 60 °C
Modulation value test mode 0…100 % 0 %
Actual value boiler temperature Measured value
The test mode is not automatically ended (no supervision of time-out!).
The inputs should only be overridden by qualified staff and only for a limited period of
time!
Manual switch
Frost protection and
release input
Outside temperature
lock
Caution