Control Wiring - Honeywell 3G SmartVFD HVFD3D3A0015 Installation And User Manual

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4.8 Control Wiring

4.8.1 Control Terminal Types
Figure 4.13 and Figure 4.14 show the removable adjustable frequency drive con-
nectors. Terminal functions and default settings are summarized in Table 4.2.
Figure 4.13. Control Terminal Locations.
Figure 4.14. Terminal Numbers.
1
12 13 18 19 27 29 32 33 20 37
2
61 68 69
31-00559-01
Isolate control wiring from high power components in the adjustable frequency
drive.
When the adjustable frequency drive is connected to a thermistor, ensure that
the thermistor control wiring is shielded and reinforced/double insulated. A 24
V DC supply voltage is recommended.
3
39 42 50 53 54 55
Connector 1 provides four programmable digital inputs terminals, two
additional digital terminals programmable as either input or output, a 24 V DC
terminal supply voltage, and a common for optional customer supplied 24 V DC
voltage.
Connector 2 terminals (+) 68 and (-) 69 are for an RS-485 serial communication
connection.
Connector 3 provides two analog inputs, one analog output, 10 V DC supply
voltage, and commons for the inputs and output.
Connector 4 is a USB port available for use with the MCT 10 Set-up Software.
4
1
29

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