REMEHA Quinta 85 Technical Information download pdf (Page 18)

Remeha Quinta 85

service engineer level only:

Speed mode,

see Par. 6.8

alternate half

digit <

Fan speed

Failure mode,

see Par. 6.9

flashing digit

Failure code

Operating code during failure

Flow temperature during failure

Return temperature during failure

DHW temperature during failure

n/a

Table 03 Flow diagram control system

6.3 Operating mode (x[[)

During operation the code-display shows the status (position in cycle) of the boiler,

whilst the t-display indicates the actual flow temperature.

The digits or letters in the code-display have the following meaning:

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 (Broag priority only)

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)

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REMEHA Quinta 85 Technical Information Page 18