Notes: Dotted line part in the
frame may not be used
Metal
Pd1
partition
Y/G
Reactor
BN
Notes:
means 0;
L1
means 1;
SW1
14K (Multi split unit)
000
18K (Multi split unit)
001
21K (Multi split unit)
010
27K (Multi split unit)
100
12K (Split unit)
110
18K (Split unit)
101
24K (Split unit)
011
ELECTRIC CONNECTION
Connection between outdoor unit and indoor unit.
VACUUMING
•
Exclusive R32 refrigerant pump must be used in making R32 refrigerant
vacuum.
Before working on the air conditioner, remove the cover of
the stop valve (gas and liquid valves) and be sure to retighten
it afterward (to prevent the potential air leakage).
1. To prevent air leakage and spilling tighten all connecting
nut of all flare tubes.
2. Connect the stop valve, charge hose, manifold valve,
and vacuum pump.
3. Fully open the handle Lo of the manifold valve and
apply vacuum for at least 15 minutes and check that the
compound vacuum gauge reads - 0.1MPa (-76cmHg).
4. After applying vacuum, fully open the stop valve with a
hex wrench.
5. Check that both indoor and outdoor connections are free of air
leakage.
54
Electronic Expansion Valve
(T1) (T2) (T3) (T4) (T5)
M3
M4
M5
T151
T201 T202 T203
Ps1
PMV3
Tao
Ts
Tdef Tcm Td1
PMV2
PMV1
U
V W
BN
XE
L2
RD BU BK
Y/G
SW2
XE
RD
BU
BK
00
BN
BU
00
V
L
N C(S)
U
W
Y/G
00
COMP1
00
00
PE
L
N C(S)
00
Indoor Unit A
00
Outdoor unit
Temperature Sensor
(T11) (T12) (T13)
(T14)
(T31) (T32)
T501
T201 T202
T203 T204
T201 T202
Liq-A
Gas-A
Gas-C
Liq-B
Gas-B
Gas-C
SW2
Controller
DATA1
DATA2
DATA3
RD
BK GN
BN
BU
BN
BU
L
N C(S)
L
N
C(S)
L
N C(S)
L
N C(S)
Indoor Unit B
Indoor Unit C
Manifold valve
Compound mater
-76cm Hg
Handle Lo
Vacuum Pump
Charge hose
4-Way
Valve
HP1
LP1
B
A
4WV
SW1
M2
DFAN1
DC FAN
A
B
GND
AC-L1 AC-N1
GN YE
Y/G
BN
BU
A
B
L
N
A
B
L
N
PE
Indoor Unit B
POWER
16437010000629
Pressure gauge
Handle Hi
Charge hose
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
Indoor unit E
V 06/24
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