55 -
Common for analog
input.
Serial Communication
61 -
Integrated RC filter for
cable shield. ONLY for
connecting the shield
when experiencing EMC
problems.
68 (+) 8-3 RS-485 Interface. A
control card switch is
provided for termination
resistance.
69 (-) 8-3
Relays
01, 02, 03 5-40 [0] [9] Alarm Form C relay output.
Usable for AC or DC
voltage and resistive or
inductive loads.
04, 05, 06 5-40 [1] [5] Running
Table 4.3 Terminal Description
Additional terminals:
•
2 form C relay outputs. Location of the outputs
depends on adjustable frequency drive configu-
ration.
•
Terminals located on built-in optional equipment.
See the manual provided with the equipment
option.
4.8.2
Wiring to Control Terminals
Control terminal connectors can be unplugged from the
adjustable frequency drive for ease of installation, as shown
in Figure 4.11.
NOTICE!
Keep control wires as short as possible and separate from
high power cables to minimize interference.
1. Open the contact by inserting a small screwdriver
into the slot above the contact and push the
screwdriver slightly upwards.
130BD546.10
2
1
10 mm
29
27
32
19
18
13
12
33
Figure 4.13 Connecting Control Wires
2. Insert the bared control wire into the contact.
3. Remove the screwdriver to fasten the control wire
into the contact.
4. Ensure the contact is firmly established and not
loose. Loose control wiring can be the source of
equipment faults or less than optimal operation.
See 8.5 Cable Specifications for control terminal wiring sizes
and 6 Application Set-up Examples for typical control wiring
connections.
Electrical Installation
VLT
®
HVAC Drive Instruction Manual
20 MG11AJ22 - Rev. 2013-09-13
44
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