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4.1.4 Forced start, MCOCW
Conditions for use To use the forced start menu, the unit must be set to OFF in the user menu (Ventilation).
Menu 8.3.3
Heating coil
8 Service
Filter >
VDI 6022 >
Forced start >
Calibration of MPT >
Light >
If there are no current errors for the heating coil("Error on unit" shown as "No"),
forced start may be activated:
NB
When Menu 8.3 "Forced start" is exited, forced start is reset and normal operation can
be resumed. When a submenu is exited, the values in the submenu are reset.
5. Troubleshooting
5.1 HMI panel error messages
NB
An error will be displayed on the HMI panel in the event of a fault or irregular operation.
To resolve the problem, refer to EXact Basic instructions for the relevant VEX.
8.3 Forced start
Fans >
Heating coil >
Cooling unit
Dampers and relays >
Off
EXEB relays
•
Set output for MCOCW. The pump starts up at an output greater than 0%.
•
Set whether the MCOCW module shall cool or heat
•
Analog signal - signal to regulation valve
8.3.2 Heating coil
COCW
Heat./Cool.
Analogue output
Error on unit
19/116
0%
Heating
0,0V
No
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