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Installation
31RT-SVX20A-E4
The "ABC" indicator on the face of
the phase indicator will glow if
phase is ABC for terminals L1, L2,
L3.
IMPORTANT! After completion of
wiring, check all electrical
connections, and ensure all
connections are tight. Replace and
secure all electrical box covers and
access doors before leaving unit or
connecting power to circuit
supplying the unit.
CAUTION! Units with scroll
compressors are not equipped with
crankcase heaters.
WARNING! Disconnect all power,
including remote disconnects, and
discharge all capacitors before
servicing.
Follow proper lockout/tagout
procedures to ensure the power
cannot be inadvertently energized.
After power is removed, allow
4 minutes for capacitors to
discharge. Verify with an
appropriate voltmeter that all
capacitors have discharged. Failure
to disconnect power and/or
discharge capacitors before
servicing could result in death or
serious injury. For additional
information regarding the safe
discharge of capacitors, see Trane
Service Bulletin PROD-SVB06A.
Table 36 - Unit wiring
Standard Supply Fan Motor Oversized Supply Fan Motor
Unit Model
and size
Main power
supply
(V/Ph/Hz)
Minimum Circuit
Ampacity
(A)
Maximum Overcurrent
Protective Device (Fuse
or Circuit Breaker)
(A)
Minimum circuit
ampacity
(A)
Maximum Overcurrent
Protective Device (Fuse
or Circuit Breaker)
(A)
Without Electric heat option
TSD/TSH 060 400/3/50 18,2 32 19,3 32
TSD/TSH 072 400/3/50 24,4 32 25,5 32
TSD/TSH 090 400/3/50 26,2 40 27,2 40
TSD/TSH 102 400/3/50 28,3 40 29,3 40
TSD/TSH 120 400/3/50 32,6 40 32,6 40
YSD/YSH 060 400/3/50 18,2 32 - -
YSD/YSH 072 400/3/50 24,4 32 25,5 32
YSD/YSH 090 400/3/50 26,2 40 27,2 40
YSD/YSH 102 400/3/50 28,3 40 29,3 40
YSD/YSH 120 400/3/50 32,6 40 32,6 40
WSD/WSH 060 400/3/50 20,1 32 21,2 32
WSD/WSH 072 400/3/50 23,1 32 24,2 32
WSD/WSH 090 400/3/50 26,2 40 27,2 40
With Electric heat
TSD/TSH 060 400/3/50 26,4 50 27,5 50
TSD/TSH 072 400/3/50 37,8 50 38,9 50
TSD/TSH 090 400/3/50 39,2 50 40,2 50
TSD/TSH 102 400/3/50 50,1 63 51,1 63
TSD/TSH 120 400/3/50 51,8 63 51,8 63
WSD/WSH 060 400/3/50 40,8 50 41,9 50
WSD/WSH 072 400/3/50 55,2 63 56,3 63
WSD/WSH 090 400/3/50 58,3 63 59,3 63