User Manual

33
MED%:
Concentration of antifreeze by
volume %
Adjustment range: 20 to 70%
Recommended setting: 50
Channel only available when
OHQM is active.
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.
MAN1:
Operating mode R1
Adjustment range:
OFF / AUTO / ON / n1LO
MAN2:
Operating mode R2
Adjustment range:
OFF / AUTO / ON / n2LO
For system setup and service work the operating mode of the
pump can be manually adjusted by selecting the adjustment
value for MAN1, MAN2 as follows:
Operating mode:
OFF: relay off (ashing) +
AUTO: relay in automatic operation
ON: relay on
(ashing) + +
n1(2)LO: minimum speed
Note: Always adjust the operating mode back to “Auto” when
the control and service work is completed. Normal operation is
not possible in manual mode.
UNIT:
Temperature units
Adjustment: FAH, CEL
Recommended setting: FAH
The temperature unit can be adjusted in this channel:
FAH: °Fahrenheit
CEL: °Celsius
RESE:
System reset
If the reset is selected, the controller will revert back to the fac-
tory settings and the commissioning assistant will be displayed
for new start-up.
The nal channel indicates the current version number for the controller. To exit out of the system setting mode press
the backward button (2) repeatedly until you reach the rst display channel (COL).