MED%:
Concentration of antifreeze by volume %
Adjustment range: 20 to 70%
Default setting: 45
Recommended setting: 50
Channel only available when OHQM is active.
kWh/MWh:
Heat quantity value shown in the kWh and MWh display channels. The sum of both channels form the total heat output.
Channel only available when OHQM is active
HND 1, HND 2:
Pump operating mode
Adjustment range:
OFF / AUTO / ON
Default setting: AUTO
LANG:
Controller language
Adjustment range:
De, En, It, Fr
Default setting: En
UNIT:
Temperature units
Adjustment: FAH, CEL
Default setting: FAH
The antifreeze concentration by % volume should be entered in this channel for OHQM to give an accurate reading.
Standard system concentration should be a 50% propylene glycol and 50% distilled or
The total heat quantity value can be reset. When one of the
heat quantity display channels is selected the symbol 
is permanently shown in the display. The set button (3) must be pressed for approximately 2 seconds in order to go into
the reset mode for the counter. The display symbol 
will be flashing and the value for heat quantity will be set to 0. In order to finish the reset procedure the set button (3) must be pressed in order to confirm.
In order to interrupt the reset procedure no button should be pressed for about 5 seconds. The controller will automatically return to the indication mode with the previous total.
For system setup and service work the operating mode of the pump can be manually adjusted by selecting the adjustment value for HND 1 (primary pump) or HND 2 (optional secondary pump, not included).
Operating mode:
OFF: relay off 
(flashing) + 
AUTO: relay in automatic operation
ON: | relay on (flashing) + |
The menu language can be adjusted in this channel: De: German
En: English
It: Italian
Fr: French
The temperature unit can be adjusted in this channel: FAH: °Fahrenheit
CEL: °Celsius
The final two channels indicate the current program and version number for the controller. To exit out of the system setting mode press the backward button (2) repeatedly until you reach the first display channel (COL).
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