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G2030-II-C
Mar ‘17
- 11 -
Installation - Electrical
Ensure that all wiring, fusing, etc is done in a manner that meets with the appropriate codes and
regulations.
See the sales drawings and electrical schematic contained in this manual for information about Motor
nameplate amps, this is used to determine the appropriate Disconnect / Breaker and Wiring sizes.
Units equipped with Variable Speed Drives (VSDs) MUST use FAST-ACTING FUSES. Refer to the table
below for fuse sizes.
It is your responsibility to ensure that the Compressor
Unit is electrically connected in a safe and correct
manner.
Any electrical work should be carried out
by a competent Electrician, and be done in such
a way that it meets all applicable Codes and
Regulations.
Ensure that a suitable Fused Disconnect or Breaker
(by others than DV Systems) is installed in the
electrical supply before the Compressor Unit.
Failure to observe any of the above precautions could result in severe personal injury or death,
and/or damage to the Unit.
General Information.
The sales drawing found at the back of this booklet
indicates the amp rating for the Unit. This information
is required in sizing a Disconnect, Fuses, and/or a
suitable Breaker. As well, an electrical schematic is
enclosed for reference.
Electrical wiring and conduit from the building supply,
through the Compressor Cabinet, and to the Switch
in the Compressor Control Panel, must be rated for
110°C (230°F) or higher.
Failure to correctly connect the
Compressor to your building's electrical
services may result in serious personal
injury or damage to the equipment.
Install all covers and panels before
applying power to the Unit.
Before servicing the Unit, ensure the
power source has been shut down and
locked off.
Read and understand the information
contained in this manual before installing
or operating the Unit.
Fusible Disconnects.
VSD Units:
HP Voltage Fuse
Type
Fuse
Amp
DV
Fuse
Part
No.
DV Disconnect
Kit (Disc
Fuses)
25
200
DFJ/
HSJ
80
F080 FD-080
230
70
F070 FD-070
460
35
F035 FD-035
575
35
F035 FD-035
30
200
DFJ/
HSJ
110
F110 FD-110
230
80
F080 FD-080
460
40
F040 FD-040
575
35
F035 FD-035
Fixed Speed Units:
Use TIME-DELAY type fuse.
Max. Allowable Fuse =
1.75 x Motor Full Load Amp