FIG. 3 - TYPICAL FIELD WIRING
C O N D .
S E C T I O N
L 1
L 2
L 3
R
C
X
Y 1
T B 1
T B 4
D I S C O N N E C T S W I T C H E S
A N D F U S I N G B Y F I E L D
L I Q U I D L I N E
S O L E N O I D V A L V E S
G R O U N D L U G ( F O R
G R O U N D W I R E
I F R E Q U I R E D )
T H E R M O S T A T
2 T H 0 4 7 0 1 2 2 4
3 S O L
2 S O L
E V A P O R A T O R
B L O W E R M O T O R
C O N T A C T O R
R C Y 2
Y 1
G
2 4 V
C O N D .
S E C T I O N
L 1
L 2
L 3
R
Y 2
Y 1
C
T B 4
D I S C O N N E C T S W I T C H E S
A N D F U S I N G B Y F I E L D
3 - P H A S E
L I N E V O L T A G E
P O W E R S U P P L Y
G R O U N D L U G ( F O R
G R O U N D W I R E
I F R E Q U I R E D )
T H E R M O S T A T
2 T H 0 4 7 0 1 2 2 4
E V A P O R A T O R
B L O W E R M O T O R
C O N T A C T O R
R C Y 2
Y 1
G
2 4 V
X
L
L
Y 2
C O M P R E S S O R 2 4 V
L O C K O U T S I G N A L
2 V A M A X .
C O M P R E S S O R 2 4 V
L O C K O U T S I G N A L
2 V A M A X .
N O T E :
2 S O L M A Y N O T B E
P R E S E N T O N N E W E R
A I R
H A N D L E R S .
H 3 C E 1 8 0 / K 1 E U 1 8 0
H 3 C E 2 4 0 / L 3 E U 2 4 0
3 - P H A S E
L I N E V O L T A G E
P O W E R S U P P L Y
3 - P H A S E
L I N E V O L T A G E
P O W E R S U P P L Y
3 - P H A S E
L I N E V O L T A G E
P O W E R S U P P L Y
W I R E I N A C C O R D A N C E W I T H A L L L O C A L
A N D N A T I O N A L E L E C T R I C A L C O D E S .
F I E L D W I R I N G :
L O W V O L T A G E C L A S S 2 W I R I N G
L I N E V O L T A G E C L A S S 1 W I R I N G
T B 1
C
1
2
2 4 V
Compressor
Condenser Fan Motor
Unit
Model
Unit Power
Supply
Qty
RLA
LRA
Qty
HP/
Kw
FLA
Minimum
Circuit
Ampacity
(Amps)
Maximum
Fuse
Size
1
(Amps)
Minimum
Disconnect
Size
2
(Amps)
H3CE150A50
380/415
2
27.8
198
2
1/.75
2.2/2.0
35.7
45
60
H2CE180A50
380/415
2
36.8
254
2
1/.75
4.0/3.6
49.4
60
60
H3CE240A50
380/415
2
42.7
294
2
1/.75
4.0/3.6
56.8
80
60
1. Dual element, time delay type fuses or HACR circuit breakers.
2. Refer to NEC/NFPA No. 70, Articles 440-11,12 for information on minimum disconnect sizing.
3. The 208-230 V compressors and motors use a single tap for the entire range of voltages.
The 208/230 V to 24 V transformers have different taps for 208 and 230 V.
TABLE 3 - ELECTRICAL DATA
550.23-N6Y
Unitary Products Group
5