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Trane Cold Generator CGWR Series User Manual

Trane Cold Generator CGWR Series
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Electrical Schematics
54 CG-SVX038A-EN
Figure 22. Instructions — CAUJ condenser control circuit modification:
fan cycling control by CCAR compressor chillers
A
Instructions
Circle
Remove wire 65C and/or the jumper installed. Connect 1TB3-6 to TBD 3 at Trane Chiller.
Remove wire 64E. Connect 1TB3-5 to TBD 2 at Trane Chiller. This is the first fan on and last fan off.
NOTES:
2
3
1
Remove wire 63A. Connect 1TB3-4 to TBD 4 at Trane Chiller. This is the last fan on and
Ambient t-stat will not be used. This is the second fan on and second fan off.
D
B
2
4
Remove wire 63A. Connect 1TB3-4 to TBA 18 at Trane Chiller. This is the last fan on and
Circle
Instructions
1
Step
Remove wire 64E. Connect 1TB3-5 to TBA 16 at Trane Chiller. This is the first fan on and last fan off.
Reference
Ambient t-stat will not be used. This is the second fan on and second fan off.
C
COMPLETE
Reference
Connect 1TB2-1 to TBA 15 at Trane Chiller.
Remove wire 65C and/or the jumper installed. Connect 1TB3-6 to TBA 17 at Trane Chiller.
first fan off. The installed pressure switch will not be used.
3
Step
1
1
3
B
Connect 1TB2-1 to TBA 15 at Trane Chiller.
D
2
first fan off. The installed pressure switch will not be used.
Circle
Remove wire 64E. Connect 1TB3-5 to TBA 16 at Trane Chiller. This is the first fan on and last fan off.
A
FOR CONTROL OF 3 FAN CONDENSER:
FOR CONTROL OF 2 FAN CONDENSER:
E
Connect 1TB2-1 to TBD 1 at Trane Chiller.
5
B
Instructions
C
Step
Initial/Date
Initial/Date
B
from the CCAR Compressor Chiller to the CAUJ condenser.
Initial/Date
FOR CONTROL OF 4 FAN CONDENSER:
COMPLETE
A
E
Connect 1TB2-1 to TBD 1 at Trane Chiller.
D
5
3
Remove wire 77E. Connect 1TB3-10 to TBD 6 at Trane Chiller.This is the first fan on and last fan off.
CCAR units are designed for operation down to a minimum of 40°F ambient.
first fan off. The installed pressure switch will not be used.
A
Instructions
Reference
The installed pressure switch will not be used.
Remove wire 64E. Connect 1TB3-5 to TBD 2 at Trane Chiller. This is the first fan on and last fan off.
COMPLETE
Circle
Remove wire 76A. Connect 1TB3-9 to TBD 7 at Trane Chiller. This is the last fan on and first fan off.
first fan off. The installed pressure switch will not be used.
Step
Remove wire 63A. Connect 1TB3-4 to TBA 17 at Trane Chiller. This is the second fan on and
Remove wire 63A. Connect 1TB3-4 to TBD 3 at Trane Chiller. This is the last fan on and
4
2
COMPLETE
Ambient t-stat will not be used. This is the second fan on and second fan off.
Remove wire 77E. Connect 1TB3-10 to TBD 6 at Trane Chiller. This is the first fan on and last fan off.
G7
Initial/Date
FOR CONTROL OF 6 FAN CONDENSER:
Remove wire 78C and/or the jumper installed. Connect 1TB3-11 to TBD 7 at Trane Chiller.
The installed pressure switch will not be used.
F6
Remove wire 76A. Connect 1TB3-9 to TBD 8 at Trane Chiller. This is the last fan on and first fan off.
G
D
All CCAR/CAUJ applications require that the CCAR Compressor Chiller control the condenser fan cycling.
For Fan Cycling Control - One control wire for each condenser fan plus a common must be run
Reference
4
CAUJ Condenser Control
Wiring Modification:
Fan Cycling Control by CCAR
Compressor Chillers
Trane CAUJ Condenser Control Wiring Modification
Fan Cycling Control by Trane CCAR Compressor Chillers
A
THREE PLACE DECIMAL
JOB #:
09/19/13
09/19/13
TRANE. ANY REPRODUCTION IN PART
R80500015B
LAH
09/19/13
DRAWING IS THE SOLE PROPERTY OF
BAR
EGN
SCALE:1:1
DWG. NO.
09/19/13
REV.
OR AS A WHOLE WITHOUT THE WRITTEN
75606-3066
PERMISSION OF TRANE IS PROHIBITED.
COMMENTS:
SHEET 1 OF 1
Q.A.
MFG APPR.
ENG APPR.
CHECKED
DRAWN
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS
DO NOT SCALE DRAWING
SIZE
SMH
NAME
MATERIAL
DATE
FINISH
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
ANGULAR: MACH BEND
TWO PLACE DECIMAL
LONGVIEW, TX
P.O. BOX 3066

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Trane Cold Generator CGWR Series Specifications

General IconGeneral
BrandTrane
ModelCold Generator CGWR Series
CategoryChiller
LanguageEnglish

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