Parameter Meaning
DISTRIBUTION CIRCUIT 1 - 2 Activates the shunt group function and indicates if the shunt group is to be controlled by the
heat curve or by a constant temperature.
Factory setting: , range: – HEAT CURVE – CONSTANT TEMP
SHUNT TIME - Indicates the shortest permitted interval between control signals to the shunt.
Factory setting: 60S, range: 10S – 99S
BUFFER TANK Activates the buffer tank function.
Factory setting:
, range: – ON
OPTIMUM Activates the Optimum function, makes use of a speed controlled circulation pump possible.
Factory setting: , range: – ON
CURRENT LIMITER Activates the current limiting function. An expansion card must be installed for current meas-
urement.
Factory setting:
, range: – ON
START UP CHECK Activation of the function for checking temperature and pressure at compressor start.
If deviations are found this is indicated by an alarm.
Factory setting: ON, range: – ON
SERVICE TIME
Note! Only used for test operation. The heat pump counts 60 times as fast,
which means that the waiting times are eliminated during test operation.
0 = deactivates SERVICE TIME
1 = activates SERVICE TIME, which speeds up the control system’s integral calculation and start
delay by 60 times.
Factory setting: 0, range 0 – 1
FACTORY SET Indicates if resetting to factory settings must be done.
CANCEL: Starting point, no changes made.
RADIATOR: Reset factory settings for radiator system
FLOOR: Reset factory settings for underfloor heating.
RESET OPER. TIME Used to reset operating times.
0 = no reset of operating times
1 = reset of operating times to zero
Factory setting: 0, range 0 – 1
Installation instructions VMGFD102 – 59
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