●
For JXM, JA, JT Types
U2
U1
2
1
2
1
2
1
2
1
2
1
B
C
A
L1
L2
L
N
L
N
L
N
L
N
2
1
A
B
B
A
A
*
*
*
*
*
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
L2
L1
P o w e r s u p p l y
208/230V, 1ø, ~60Hz
R e m o t e
controller
I n d o o r
unit (No. 1)
I n d o o r
unit (No. 2)
I n d o o r
unit (No. 3)
Indoor unit
(No. n)
Outdoor unit
INV unit
WHT
BLK
Group control:
R e m o t e
controller
R e m o t e
controller
WHT
BLK
WHT
BLK
Ground
Ground
Ground
Ground
Ground
NOTE
(1) Refer to Section 2 “4-2. Recommended Wire Length
and Wire Diameter for Power Supply System” for the
explanation of “A,” “B” and “C” in the above diagram.
(2) The basic connection diagram of the indoor unit
shows the 6P (JXM type) terminal board, so the
terminal boards in your equipment may differ from
the diagram.
(3) Refrigerant Circuit (R.C.) address should be set
before turning the power on.
(4) Regarding the R.C. address setting, refer to
Section 5
“
TEST RUN
”
.
Auto address setting can be executed by
remote controller automatically.
L1
L2
U1
U2
R1
R2
JXM, JA, JT Types
6P terminal board
POWER
SUPPLY
UNIT CONTROL
LINE
REMOTE
CONTROL
LINE
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
*
NOTE:
Disconnect Switch may be needed by the
National/Local code.
*
Disconnect switch
(Field Supply)
Power Supply
208/230V, 1
ø, ~60Hz
Power Supply
208/230V, 1
ø, ~60Hz
Power Supply
208/230V, 1
ø, ~60Hz
Power Supply
208/230V, 1
ø, ~60Hz
FORM 121.00-EG1
ISSUE DATE: 5/31/2012
JOHNSON CONTROLS
160
Summary of Contents for JA Series
Page 181: ...Schematic Diagram JDHX3652N FORM 121 00 EG1 ISSUE DATE 5 31 2012 181 JOHNSON CONTROLS ...
Page 183: ...Schematic Diagram JDHX4852N FORM 121 00 EG1 ISSUE DATE 5 31 2012 183 JOHNSON CONTROLS ...
Page 189: ...Schematic Diagram JKHX1862N FORM 121 00 EG1 ISSUE DATE 5 31 2012 189 JOHNSON CONTROLS ...
Page 191: ...Schematic Diagram JKHX2452N FORM 121 00 EG1 ISSUE DATE 5 31 2012 191 JOHNSON CONTROLS ...