Disconnect and tape wire 851A from 2TB34-9.
main board Analog Out (A-1) to 2TB34-9.
Connect 0-10VDC signal from Trane chiller
Disconnect and tape wire 839F at 2TB34-10.
Connect 0-10VDC signal from Trane chiller
main board Analog Out (A-2) to 2TB34-10
Disconnect and tape wire 851A from 2TB34-9.
Connect 0-10VDC signal from Trane chiller
main board Analog Out (A-1) to 2TB34-9.
1
3
Step
Disconnect plug 2U83P2 from the existing damper control board.
COMPLETE
FOR TWO DAMPER ASSEMBLIES:
C
Ambient Damper Control by Trane
(Leave the remaining plugs connected to the board for grounding.)
2
Initial/Date
FOR ONE DAMPER ASSEMBLY:
CCAR Compressor Chiller
Initial/Date
Circuit Modification:
Circle
Instructions
A
B
Step
(Leave the remaining plugs connected to the board for grounding.)
2
Disconnect plug 2U83P2 from the damper control box.
Ambient Damper Control by Trane CCAR Compressor Chiller
Reference
Circle
Instructions
1
A
B
Reference
Trane CAUJ Condenser Control
Trane CAUJ Condenser Control Circuit Modification
COMPLETE
NOTES:
All CCAR/CAUJ applications require that the CCAR Compressor Chiller control the condenser
ambient dampers (when applicable).
For Ambient Control Dampers when applicable - One shielded pair for each damper assembly
must be run from the CCAR Compressor Chiller to the CAUJ condenser.
CCAR units are designed for operation down to a minimum of 40°F ambient.
DRAWING IS THE SOLE PROPERTY OF
THREE PLACE DECIMAL
R80500016B
09/19/13
TRANE. ANY REPRODUCTION IN PART OR
JOB #:
LAH
09/19/13
75606-3066
09/19/13
BAR
EGN
PERMISSION OF TRANE IS
DWG. NO.
09/19/13
REV.
MATERIAL
SCALE:1:1
A
PROHIBITED.
COMMENTS:
SHEET 1 OF 1
Q.A.
MFG APPR.
ENG APPR.
CHECKED
DRAWN
THE INFORMATION CONTAINED IN THIS
PROPRIETARY AND CONFIDENTIAL
DO NOT SCALE DRAWING
AS A WHOLE WITHOUT THE WRITTEN
SIZE
NAME
SMH
DATE
FINISH
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
ANGULAR: MACH BEND
TWO PLACE DECIMAL
LONGVIEW, TX
P.O. BOX 3066
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