310528
15
Installation
Connecting the Electrical Control Panel to
a Power Source
The Electrical Control Panel (Fig. 2) comes already
attached and wired to the ram, however before the
supply unit becomes functional, you must connect the
electrical control panel to a power source.
Fig. 2
Have a trained electrician connect the electrical control
panel to a grounded electrical source that has the
required service ratings:
Control
Panel
Model:
Zones: VAC: Hz: Phase:
Full
Load
Amps
617300
(Standard)
3
480
60
1
7.3
617330
(Swirl)
617349
4
480
60
3
9.8
For information about specific terminal locations and
connections, see
Schematics
on page 67 for wiring
diagram information.
To connect the control panel to the electrical source:
1. Create an opening in the control panel’s housing
for the conduit that will enclose the wire from the
facility’s power source.
2. Thread the wire from the power source into the
control panel housing, and then connect the power
source wires to the appropriate terminals on the
DISCONNECT switch.
Check the Resistance Between the Supply
Unit and the True Earth Ground
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
To reduce the risk of fire, explosion, or
electric shock the resistance between
the supply unit components and true
earth ground must be less than 0.25
ohms.
Have a qualified electrician check the resistance
between each supply unit component and the true
earth ground. The resistance must be less than
0.25 ohms. If the resistance is greater than 0.25 ohms,
a different ground site may be required. Do not operate
the system until the problem is corrected.
Содержание 918334
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Страница 37: ...310528 37 Service Fig 11 To Ram Junction Box 3L1 3L2 3L3 5L1 5L2 5L3 480 575 Volt Ram Plate Assembly Wiring...
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Страница 65: ...310528 65 Parts Models 617349 480 VAC and 617485 240 VAC 4 zone Electrical Control Panel exterior...
Страница 67: ...310528 67 Schematics Electrical Control Panel and Wiring Parts and Description 617300 Page 1 9604A...
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Страница 84: ...84 310528 Appendix New Style Temperature Controller Settings List...