RT-SVX24Q-EN
75
Figure 58. Typical field power wiring
Table 30. Customer connection wire range
Units with Main Power Terminal Block (All Voltages)
Block Size
Wire Qty
Connector Wire
Range
760 Amp
2
500 MCM
(a)
Units with Main Power Disconnect Switch (All Voltages)
Switch Size
Wire Qty
Connector Wire
Range
250 Amp
1
500 MCM
(a)Installation_
Main Unit Power Wiring
400 Amp
1
600 MCM
(b)
OR 2
250 MCM
(b)Installation_
Main Unit Power Wiring
600 Amp
2 250-500 MCM
Table 30. Customer connection wire range
(continued)
OR 3
3/0 - 500 MCM
800 Amp
2 250-500 MCM
OR 3
3/0 - 500 MCM
Note: Non-fused disconnect switch size is calculated by selecting
the size greater than or equal to 1.15 X (sum of unit
loads). See unit literature for unit load values. See
following page for circuit breaker sizing.
(a)
Wires to the optional steam and/or hot water heat valve are supplied
with the unit. Wire connections to the valve to be made by the
customer.
(b)
Wires connecting to the optional steam and/or hot water heat
actuator at nodes 100, 102, 545 and 554 will be numbered 100AD,
102V, 545E and 554E on 1-piece units and will be numbered 100AA,
102AL, 545G and 554G on multi-piece units.
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