Cooper Power Systems mcGraw Edison 9000 Replacement Instructions

Voltage Regulators
McGraw-Edison ® VR-32 Regulator Control Heater
Part No. 9000: Installation and Parts
Replacement Instructions
INTRODUCTION
These installation, maintenance
and parts replacement instructions
apply to part number 9000 McGraw-
Edison control heater accessory (Fig.
1) used with a McGraw Edison
CL-2A, CL-4C or CL-5A voltage
regulator control.
Figure 1.
Thermostatically controlled
assembly.
The heater can be manually turned
ON or OFF by means of the toggle
switch located on
assembly. In the ON position, the
thermostat located in the heater
assembly will energize the heater
when the temperature falls below
85°F. The thermostat turns the heater
off when the temperature exceeds
100°F. Figure 2 is the schematic
d i a g r a m o f t h e h e a t e r a n d i t s
connection to the regulator control.
Only trained and experienced
personnel should install or operate
this equipment.
These instructions do not claim to cover all details or variations in the equipment, procedure, or process described, nor to provide directions for
meeting every possible contingency during installation, operation or maintenance. When additional information is desired to satisfy a problem not
covered sufficiently for the user's purpose, please contact your Cooper Power Systems representative.
August 1993 • Supersedes S225-10-1 Supplement 2 of October 1988 • © 1993 Cooper Industries, Inc.
These instructions are written to
assist such personnel, and are not
intended to replace proper training
and experience. If additional informa-
tion is required, please contact your
C o o p e r P o w e r S y s t e m s r e p r e -
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sentative.
Figure 2.
Schematic diagram.
WARNING/DANGER ALERTS
Warning/Danger alerts in this manual
describe hazardous situations that
may cause death and/or personal
injury if the instructions in the
W a r n i n g / D a n g e r a l e r t s a r e n o t
followed. Warning/Danger alerts are
highlighted as follows:
WARNING/DANGER A Warn-
heater
ing/Danger alert describes a
hazardous situation that may cause
death and/or personal injury and
gives instructions on how to avoid
the heater
death and/or personal injury.
To TB2-VM
To TB2-G
Service Information
S225-10-12
CAUTION ALERTS
Caution alerts in this manual describe
hazardous situations that may cause
personal injury and/or property
damage if the instructions in the
Caution alerts are not followed.
Caution alerts are highlighted as
follows:
CAUTION A Caution alert
describes a hazardous sit-
uation that may cause personal
injury and/or property damage and
gives instructions on how to avoid
personal injury and/or property
damage.
INITIAL INSPECTION
Each field installed McGraw-Edison
No. 9000 heater is shipped in a
carton designed to protect the unit
from in-transit damage. Immediately
upon receipt of a heater:
•
Thoroughtly inspect the housing
and the wiring to make sure the
heater is in good condition.
If initial inspection reveals damage
or evidence of rough handling in
transit, immediately file a claim with
the carrier and notify your Cooper
representative.
CAUTION Do not install a
damaged heater. A damaged
heater can cause fuse blowing.
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1