KlassKeeper – Installation, Operation, and Maintenance Manual
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© Copyright 2013 CGC Group Inc.
Last Revised April 2020 Installation, Operation, and Maintenance Manual is Subject to Change without Notice.
When the system is locked out, all of the output relays will be de-energized except for the general alarm
contact (K7) which will be energized. A flashcode of 10 will be displayed, and the alarm output (AN1) will
produce 10 VDC. In order to clear a system lockout, power must be cycled to the KlassKeeper unit.
LCD Display Module
Within the electrical compartment of the KlassKeeper heat pump, there is a LCD display module that
provides information about the unit’s operation. The first button on the left allows the user to scroll
through three separate screens.
Screen 1:
This screen provides information on the alarm status of the unit. Both the current alarm (if active) and the
previous alarm is displayed.
Screen 2:
This screen provides the current temperature readings of the various sensors within the unit. Please refer
to “Analogue Inputs” section for more details. The temperatures are updated every 10 seconds.
Screen 3:
This screen provides the open/closed status of the digital inputs on the controller. Please refer to “Digital
Inputs” section for further details. A “1” signifies a closed input, while a “0” signifies an open input.
Screen 4:
This screen provides the discharge air temperature setpoint (DAT SP) which is adjustable using ‘UP’ and
‘DOWN’ button.
