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Main Unit Power Wiring
Figure 56, p. 78
lists the field connection wire ranges for
both the main power terminal block and the optional main
power disconnect switch.The electrical tables beginning
with
Table 22, p. 79
list the component electrical data.The
electrical service must be protected from over current and
short circuit conditions in accordance with NEC
requirements. Protection devices must be sized according
to the electrical data on the nameplate. Refer to the "Power
Wire Sizing and Protection Device Equations" , for
determining;
• the appropriate electrical service wire size based on
"Minimum Circuit Ampacity" (MCA),
Figure 54. Typical field power wiring
Front View Control Box
Pitch Pocket
Electric Heat Control Panel
Gas Heat Control Panel
Steam or Hot Water Control Panel
RT-SVX24J-EN
Field Supplied Survice
Over Current Protection
1TB1
or
1S1
3-Wire Power
Supply+Ground
Heat Control Box
• the "Maximum Over current Protection" (MOP)
device,
• the "Recommended Dual Element fuse size" (RDE).
1. Location for the electrical service entrance is illustrated
in
Figure 54, p.
77. Complete the unit power wiring
connections onto either the main terminal block, or the
factory mounted non-fused disconnect switch, inside
the unit control panel. Refer to the customer
connection diagram that shipped with the unit for
specific termination points.
2. Provide proper grounding for the unit in accordance
with local and national codes
Pitch Pocket
Condenser
Section
Installation
77
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