Operating Mode ( ) - REMEHA Gas 110 Eco 115 Installation, User And Service Manual

Read-out mode
§ 4.7
Service engineer level only:
Speed mode
§ 4.8
Failure mode
§ 4.9
4.3 Operating mode (
During operation the "code"-display shows the status (position in
cycle) of the boiler, whilst the
temperature.
Code Description
Standby: there is no heat demand from control system
Pre-purge: before start-up, the boiler is purged for 4.2 seconds
Post-purge: when the heat demand has been met, the fan continues to operate for another 10 seconds
Ignition: ignition is activated for 2.4 seconds while the gas valve is opened
HTG mode: the boiler operates in the HTG mode
DHW mode: the three way valve or DHW pump activated
Internal check
Normal control stop during HTG (flow temperature > set-point + 5 °C)
HTG pump run on
DHW pump run on or for three way valve option, HTG pump run on with valve open to DHW (max. 5 minutes)
Normal control stop during DHW (flow temperature > set point DHW + DHW control stop set point + 5 °C)
Shut-off mode
Forced full load
Forced part load
25/01/2011 - 300014883-001-K
Digit or letter with flashing dot
Alternate half digit
Flashing digit
)
-display indicates the actual flow
Gas 110 Eco 115 / 65
Actual flow temperature
Actual return temperature
Actual DHW temperature (with sensor)
Actual outdoor temperature (only if outdoor sensor fitted)
N/a
Flow temperature (set point)
Actual heat demand status
Calculated HTG cut-in temperature
Actual flow temperature rise
N/a
Fan speed
Failure code
Operating code during failure
Flow temperature during failure
Return temperature during failure
DHW temperature during failure
N/a
The digits or letters in the code-display have the following meaning:
17