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MED%:
Concentration of antifreeze by
volume %
Adjustment range: 20 to 70%
Default setting: 45
Recommended setting: 50
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 de-mineralized water.
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
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 fl ashing and the value for heat quantity will be set to 0. In
order to fi nish the reset procedure the set button (3) must be
pressed in order to confi rm.
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.
HND 1, HND 2:
Pump operating mode
Adjustment range:
OFF / AUTO / ON
Default setting: AUTO
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 (fl ashing) +
AUTO: relay in automatic operation
ON: relay on (fl ashing) +
LANG:
Controller language
Adjustment range:
De, En, It, Fr
Default setting: En
The menu language can be adjusted in this channel:
De: German
En: English
It: Italian
Fr: French
UNIT:
Temperature units
Adjustment: FAH, CEL
Default setting: FAH
The temperature unit can be adjusted in this channel:
FAH: °Fahrenheit
CEL: °Celsius
The fi nal 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 fi rst display channel (COL).