40MUAA: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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ELECTRICAL DATA
Table 11 — Electrical Data
CONNECTION DIAGRAMS
Scenario 1 - Non-Polarity RS485 Communi 24V Thermostat
This is the preferred method when using a 24V thermostat and when the indoor unit communicates with the outdoor unit via RS485 protocol.
Fig. 49 —Scenario 1
Scenario 2 - Non-Polarity RS485 Communication
This is the preferred method of control with wired controller KSACN1001(Not included)
Fig. 50 —Scenario 2
UNIT SIZE
V-PH-HZ
INDOOR FAN
FLA
HP
W-Out
System Power
Factor (%)
MAX FUSE CB AMP
When powered independently
18K
208-230/1/60
2.0
1/3
250
69
15
24K
3.0
1/3
250
89
30K
3.5
1/2
375
96
36K
3.5
1/2
375
98
48K
5.0
3/4
560
98
60K
7.0
1
750
98
Outdoor Unit
R C G Y1 Y2 B W W1W2 E DH L
24V Thermostat
Indoor Unit Display Board
R C G Y1 Y2 B W W1W2 E DH L
S1 S2
S1 S2
R C Y1 Y2 B W D L
Control
Board
ON
SW1
1
2 3 4
Default Setting
Refer to the wiring nameplate for the wiring method.
DO NOT
connect 24V AC to S1-S2, as this will damage the
system.
WARNING
R C Y1 Y2 B W D L
Outdoor Unit
Indoor Unit Display Board
R C L G
Y1
Y1/Y2
B W W1W2 E DH
S1 S2
S1 S2
Wired
Controller
Wired
Controller
HA HB
HA HB
Control
Board
ON
SW1
1 2 3 4
