35
The ground fault circuit interrupter must be a high-speed type
breaker of 30 mA (<0.1 s).
NOTE
Stated values are maximum values (see electrical data for exact values).
OUTOOOR UNIT POWER SUPPLY
22kW
18kW
26kW
30kW
Unit
Maximum
overcurrent
protector(MOP)
18
21
24
28
Wiring size(mm
2
)
6
6
6
6
9.7.4 Specifications of standard wiring components
Door 1: compressor compartment and electrical parts: XT1
9.7.6 Connection for other components
1
SL1
2
SL2
3
H
4
C
5
6
1ON
7
1OFF
8
9
10
11
12
24
23
N
21
N
20
IBH1
19
18
13
14
L1
15
16
17
N
22
25
HT
29
30
31
DTF2
32
DTF1
26
R2
27
ASH1
28
ASH2
1
A
2
B
3
X
4
Y
5
E
6
P
7
Q
8
E
9
H1
10
H2
2ON
2OFF
P_c P_o P_s P_d
N
R1
TBH
N
N 3ON
3OFF
N
N
CN11
CN7
CN30
Code
Connect to
1
SL1
2
SL2
3
H
4
C
15
L1
5
1ON
6 1OFF
16
N
7
2ON
8
2OFF
17
N
9
P_c
21
N
10 P_o
22
N
11
P_s
12
P_d
24
N
13 TBH
16
N
14 IBH1
17
N
18
19 3ON
N
③
①
Solar energy input
signal
②
Room thermostat input
（
high voltage
）
Tank booster heater
Internal backup heater 1
SV3(3-way valve)
④
⑤
⑥
⑦
Outside circulation pump
(zone 1 pump)
Pumpc(zone 2 pump)
CN11
SV2(3-way valve)
SV1(3-way valve)
⑧
⑨
⑩
11
○
DHW pipe pump
23
N
SV1(3-way valve)
SV1(3-way valve)
Solar energy pump
20 3OFF
Code
Connect to
1
A
2
B
3
X
4
Y
5
E
6
P
7
Q
9
H1
10
H2
CN11
Wired controller
①
②
②
③
②
②
③
Code
Connect to
26
R2
30
R1
31
DFT2
32
DFT1
25
HT
29
N
27
AHS1
28
AHS2
①
CN7
Unit running state 0utput
Antifreeze E-heating
tape(external)
Additional heat source
Outdoor unit
Internal machine
Parallel
Defrost running output
POWER SUPPLY
380VAC~3N
FUSE
L1 L2 L3 N
L1
L2
L3
N
BLACK
BLUE
GRAY
BROWN
LPS
L1 L2 L3 N
L1
L2
L3
N
BLACK
BLUE
GRAY
BROWN
V.2
Summary of Contents for ETH220VMA
Page 164: ...V 2...
