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