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Electrical Schematics
Figure 18. Field wiring diagram for 40 to 65 ton, R-410A CCAR compressor chillers
Control Panel Representation
L1
L2
L3
PDB1
DSW1
Optional:
(Factory Installed)
PANEL
GROUND
4
WARNING
Hazardous voltage!
Disconnect all electrical power
including remote disconnects before
servicing unit. Follow proper lockout/
tagout procedures to ensure power
cannot be inadvertently energized.
Failure to do so can cause death or
serious injury.
CAUTION
Use copper conductors only!
Unit terminals are not designed to
accept other type conductors. Failure
to use copper conductors may cause
equipment damage.
CAUTION
Do not energize the unit until check-
out and start-up procedures have
been completed.
50
Disconnect
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Circuit 2 Fan 3
Circuit 2 Fan 2
Circuit 2 Fan 1
Circuit 1 Fan 3
Circuit 1 Fan 2
Circuit 1 Fan 1
Condensing Unit Control Power
Notes:
All three-phase motors supplied with the unit are protected under
1.
primary single-phase failure conditions.
All customer control-circuit wiring must have a minimum rating of
2.
150V.
All field wiring must be in accordance with applicable local codes.
3.
Line voltage options. Single or dual source power may be specified.
4
4.
Drawing covers single source power only. All field wiring must be in
accordance with National Electric Code and State & Local
requirements.
(Required) Factory supplied or appr oved alternate field installed flow
5
5.
proving device connection.
(Optional) Damper control option. Refer to operation and
6.
6
maintenance manual for additional information. This point intended to
operate low ambient dampers on a remote air-cooled condenser, (1)
damper per AO. Wiring to be 2-wire shielded cable between outdoor
unit and Trane indoor chiller.
If installing with a Trane CAUJ air-cooled condenser, more specific
7.
field wiring instructions can be found in the operations and
maintenance manual.
A-1
GND
A-2
6
Optional:
Damper Control
1
2
3
4
5
6
7
8
9
10 11
12
13
14
1
2
3
4
5
6
7
8
9
10 11
12
13
14
Optional
: Alarm Dry
Contacts
5
REQUIRED: Flow Switch (flow
proving device)
Optional
: Remote Run/Stop
Interface
NAME
DATE
DRAWN
SMH
3/23/17
CHECKED
BAR
3/23/17
CCAR 40-65 Ton
ENG APPR.
MFG APPR.
Q.A.
COMMENTS:
SIZE DWG. NO.
A
SCALE:1:5
A-1
GND
A-2
UNIT CONTROLLER
15
16 17
18 19
20 21
22
23 24
15
16 17
18 19
20 21
22
23 24
Field Wiring
Diagram
REV.
0
Dual Circuit CCAR Field Wiring
WEIGHT:
SHEET 1 OF 1
CG-SVX038A-EN
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