Service manual

Prior to
Installation
Prior to installing the pump into the heating system, it is recommended that
operation and proper rotation of the impeller is verified.
As standard, the motor is wired for single-phase, 115V, 60 Hz operation.
However, the motor can be rewired for 230V operation by changing the
motor connections as indicated by the diagram on the motor connection
box cover.
Motor rotation can be changed from counterclockwise to clockwise as
shown in the illustration below.
Wire the vacuum proving switch per the CORAYVAC
®
or VANTAGE
®
EV
Installation, Operation and Service Manuals.
7
Ground
Screw
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W
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B
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115V Power Supply
(Control Panel or Relay)
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Neutral (-)
Motor Junction Box
Hot (+)
Motor Wiring
Figure 6
Magnetek TENV Motor:
To reverse rotation,
interchange black and
red leads).
WARNING
Electrical Shock Hazard
Disconnect electrical power before installation
or service.
Failure to follow these instructions can result
in death or electrical shock.
IMPORTANT: Improper rotation of the impeller can produce only half
of the vacuum required for proper system operation.
SECTION 4: MOTOR WIRING