Model Heat Source Ground and Terminal Block Locations
030
035
055
Electric, low voltage
Electric, high voltage
1. Ground
2. Power Distribution Block
T30
T45 (gas only)
Gas/Steam/Electric, low voltage
Gas/Steam/Electric, high voltage
NOTE: Connection only required in upper junction
box.
1. Ground
2. Power Distribution Block
To Connect Electrical Service To
Machine
NOTE: All machines require separate service connec-
tions for each upper and lower unit. Serial Plate ratings
reflect current draw, breaker rating and conductor size
recommendations per unit.
The following steps outline the procedure for connecting electri-
cal service to the machine.
• 3 Phase Models – Each machine must be connected to its own
individual branch circuit breaker, not fuses, to avoid the possi-
bility of “single phasing” and causing premature failure of the
motor(s).
• Electrical service must be connected using the appropriate
permanent rigid metal conduit system.
• Service conductors must be copper only.
For an existing service, determine your service voltage and con-
ductor amperage. Carefully review the machine serial plate rat-
ings and Electrical Requirements section of this manual. If serv-
ice is inadequate it must be upgraded by a qualified electrical
contractor. Never connect an improper or inadequate service to
any machine.
NOTE: The wiring diagram is located inside the junc-
tion or contactor box.
1. For new service, install a circuit breaker of proper voltage and
current rating as close to each machine as possible.
2. Route service conduit from service breaker panel to machine
service connection box. Conduit routing should not obstruct
access for maintenance or servicing. Refer to Service/Ground
Location.
Electrical Requirements
©
Published by permission of the copyright owner -
DO NOT COPY or TRANSMIT
67 Part No. 70686701ENR4
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