Main Unit Power Wiring - Trane IntelliPak 1 with Symbio 800 Installation, Operation And Maintenance Manual

Installation
Note: Each power supply must be protected from short
circuit and ground fault conditions. To comply with
NEC, protection devices must be sized according to
the "Maximum Over current Protection" (MOP) or
"Recommended Dual Element" (RDE) fuse size data
on the unit nameplate.
Provide grounding for the supply power circuit in the
electric heat control box.

Main Unit Power Wiring

to lists the field connection wire ranges for both the main
power terminal block (2XD1 on 20-75T units / 1XD1 on 90-
130T units) and the optional main power disconnect switch
(2QB1 on 20-75T units / 1QB1 on 90-130T units). Service
Sizing Data lists 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
equations listed in the product catalog to determine the
following:
• the appropriate electrical service wire size based on
"Minimum Circuit Ampacity" (MCA)
• the "Maximum Over Current Protection" (MOP) device
Figure 34. Typical field power wiring (20 to 75 ton)
50
2XD1
OR
3XD5
2QB1
OR
3QB4
• the "Recommended Dual Element fuse size" (RDE)
WARNING
Proper Field Wiring and Grounding
Required!
Failure to follow code could result in death or serious
injury.
All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements
for field wiring installation and grounding as
described in NEC and your local/state/national
electrical codes.
The location of the electrical service entrance is illustrated
in . It is important to complete the unit power wiring
connections onto either the main terminal block (2XD1 on
20-75T units / 1XD1 on 90-130T units) or the factory
mounted, non-fused disconnect switch (2XD1 on 20-75T
units / 1XD1 on 90-130T units). . Refer to the diagrams that
shipped with the unit for specific termination points.
Provide proper grounding for the unit in accordance with
local and national codes.
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RT-SVX072D-EN