Service menu
Cooling
Description
Set pump operation
Pump operation can be set to:
● Constant operation
● Auto
● Outdoor air temperature
● Cooling requirement
Start
appears when pump is in operation.
Shown if
outdoor tem-
perature
is selected
Set pump start temperature
● The pump starts when the outdoor temperature is
higher than the set value. [°C]
Start
appears when pump is in operation.
Shown if
cooling re-
quirement
is selected
Set pump start cooling requirement
● The pump starts when the outdoor temperature is
lower than the set value. [%]
Start
appears when pump is in operation.
External DX Cooling
Shows current status of external cooling
● Current outdoor temperature [°C]
● Current cooling [%]
● Current supply air temperature [°C]
Forced control of external cooling coil
Forced operation is only possible once the unit has
started.
● Set forced operation setpoint [%]
● Current supply air temperature [°C]
● Set remaining time until forced operation termi-
nates [hh:mm:ss]
● Activate forced operation: On/ Off
● Current status Cooling relay 1: Open/closed
● Set motor valve's regulation area [2-10V =
VEX4000 standard]
Set regulation for current type DX cooling.
● Set regulation form:
● 1-step (VEX4000 standard)
● 1. Step modulating: Yes/No (No = VEX4000 stand-
ard)
● Current cooling error: Yes / No
● Current signal at cooling output [V]
● Set min. airflow for cooling [m3/h]
● Set condenser aftercooling [s]
Shows current status of cooling relay
● Current status Cooling relay 1: Open/closed
● Current status Cooling relay 2: Open/closed
● Current status Cooling relay 3: Open/closed
● Current status Cooling relay 4: Open/closed
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Service level
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Summary of Contents for EXcon
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