A5-C
Sep ’15
- 9 -
Installation - Electrical
When making power and control wiring connections, please observe the following precautions:
Ensure that all wiring, fusing, etc is done in a manner that meets with the appropriate codes and
regulations.
See the sales drawing and electrical schematic contained in this booklet for Unit amp draw, as well as
Unit fuse sizes and overload settings.
A licensed Electrician is to determine the appropriate Disconnect/Breaker and wiring sizes based on the
Unit amp draw and the appropriate Electrical Code.
General Information.
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.
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 observe any of the above precautions could result in severe personal injury or death,
and/or damage to the Unit.
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.
Failure to install proper fuse protection
may void the unit warranty
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.
Wiring Practices.
Fixed Speed Units:
Use TIME-DELAY type fuse.
Max. Allowable Fuse = 1.75 x Motor Full Load Amp