Trane IntelliPak 2 Series Installation, Operation And Maintenance Manual page 174

Commercial rooftop air conditioners
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U U n n i i t t S S t t a a r r t t u u p p
will open. Depending on the fault, the CPM may either
auto-reset or it may lock-out. The CPM can be manually
reset by cycling control power.
N N o o t t e e : : If the compressor has tripped due to an
overheated windings condition, the motor
winding temperature sensor resistance (PTC) will
be 4500 ohms or greater; the resistance must be
less than 2750 ohms before the 5 minute reset
timer becomes enabled.
Figure 133. Compressor locations and staging
sequence (fixed speed compressors)
Table 59. Staging sequence (fixed speed
compressors)
Compressor Staging (Lead)
1A
1B
2A
Stage 1
X
Stage 2
X
X
Stage 3
X
X
Stage 4
X
X
X
174
Compressor Staging
(Lag)
2B
1A
1B
2A
2B
X
X
X
X
X
X
X
X
X
X
X
X
Table 60. Compressor data (fixed speed compressors)
Num-
Unit Size
ber
2
90/100 Ton Std
& Hi-Capacity
2
2
105/118 Ton
Std & Hi-
Capacity
2
2
120/128 Ton
Std & Hi-
Capacity
2
2
130/140 Ton
Std & Hi-
Capacity
2
2
150/162 Ton
Std
2
Figure 134. eFlex™ compressor locations and staging
sequence
COMPRESSOR 1C
HI DESIGNATOR "K13"
COMPRESSOR 2A
HI DESIGNATOR "K3"
Compressors
Desig-
Type
Size
nator
CSH-
1A, 2A
Scroll
N250
CSH-
1B, 2B
Scroll
N250
CSH-
1A, 2A
Scroll
N250
CSH-
1B, 2B
Scroll
N315
CSH-
1A, 2A
Scroll
N315
CSH-
1B, 2B
Scroll
N315
CSH-
1A, 2A
Scroll
N315
CSH-
1B, 2B
Scroll
N374
CSH-
1A, 2A
Scroll
N374
CSH-
1B, 2B
Scroll
N374
COMPRESSOR 1B
HI DESIGNATOR "K12"
COMPRESSOR 1A
HI DESIGNATOR "K11"
COMPRESSOR 2B
HI DESIGNATOR "K4"
RT-SVX24Q-EN

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