Honeywell HVAC400x Applications Manual page 151

M1
A. New starting order of motors.
When the system stops or goes to sleep mode for the next time, the sequence changes back to 1, 2, 3, 4, 5.
P3.15.3 INCLUDE FC (ID 1028)
You can use this parameter to include the controlled motor/pump in the autochange and interlock system.
P3.15.3 INCLUDE THE VFD-CONTROLLED MOTOR IN THE AUTOCHANGE (ID 1028)
Selection number Selection name
0 Disabled
1 Enabled
WIRING
The connections are different for the parameter values 0 and 1.
SELECTION 0, DISABLED
The drive is directly connected to Motor 1. The other motors are auxiliary motors. They are connected to the mains
by contactors, and controlled by relays of the drive. The autochange or the interlock logic have no effect on Motor
1.
A
M2 M3
Fig. 47. The interlock logic 3
Legend
Description
The drive is always connected to Motor 1. The interlocks do not have
an effect on Motor 1. Motor 1 is not included in the autochange logic.
It is possible to connect the drive to any of the motors in the system.
The interlocks have an effect on all the motors. All the motors are
included in the autochange logic.
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HVAC400X – APPLICATION MANUAL
M4 M5
EN2B-0417GE51 R0719