Dry Contact Set-Up - Delta M42U Operation And Installation Manual

4.3.7.5 Dry Contact Set-up

System provide a dry contact to allow users to create a hardwired control, Users
can choose the trigger condition of the dry contact. There are 8 options in the settings
page: Disable, On Grid, Fan Fail, Insulation, Alarm, Error, Fault, and Warning.
Please refer to Table 4-5 for more details about these options.
Setting
Disable
On Grid
Fan Fail
Insulation
Alarm
Error
Fault
Warning
DC Injection
►
Dry Cont.
PID Function
RCMU
Dry Contact Trigger Timing
No action.
Inverter is connecting to grid.
Fan Fail occurs.
Insulation test fail.
Any error, fault, or warning occurs.
Any Error occurs.
Any Fault occurs.
Any Warning occurs.
Table 4-5: Dry Contact Trigger Options
ENT
Dry Cont. A
Dry Cont. B
ON
EXIT
Figure 4-14: Dry Contact screens
ENT
Disable ► Disable
EXIT
► Alarm
EXIT
61
Commissioning
On Grid
Fan Fail
Insulat.
Error
Fault
Warning
ENT
ENT