Gree U-MATCH B Series, Manual

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U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
47
7.2.7 Reserved fresh air valve interface for duct type unit
For the reserved connection way of air valve performer, connect it to F, C, O of wiring board
according to the wiring diagram. Connect the public port of air valve to F, connect CLOSE to C and
connect OPEN to O.
Outdoor
fresh air
Fresh air
Air valve
Indoor
side
Air intake pipe
Air supply pipe
Before starting up the
unit, make sure remove
all the sealing film on
the healthy filter block.
Figure 2-7-16
7.2.8 Interface of anion generator
For the cold plasma anion generator, connect the red line to HEALTH(X4) and the blue line to N2(X6)
according to the principle circuit. The detector of cold plasma anion generator should be places at the air
return. The distance between two detectors should be 10mm(3/8inch)
≤
L
≤
25mm(1inch).
MOTOR
WIRING
DIAGRAM
EARTH
WIRING
DIAGRAM
M
G
G
G
POWER
L1
L2
L1
L2
F
C
O
2BU
1RD
5WH
8BN
COOL PLASMA
GENERATOR
9RD
L1
L1
RD BU
AP1
15WH
XT1
OUTDOOR
UNIT
1
2
WIRE
CONTROL
XT2
AP2
X1
X2
CLOSE
Fresh Air Valve
Common OPEN
1
2
H1
H2
L2
L4
11RD
12BK
13BN
14OG
COM6
COM7
T2 T3
PUMP-C PUMP
SA
15K 20K
LIQUID SWITCH
Environment
Temp. Sensor Pipe
Temp. Sensor
Pump Motor
E500
N2(X6)
AC-L
(X501)
V-NEW-CLOSE(X2)
V-NEW-OPEN(X1)
AC-N
(X500)
HEALTH
(X4)
N2
(X6)
D
C
-MO
T
OR
1
Figure 2-7-17