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<Maximum Lengths>
1 ME Remote controller [Fig. 11.3.1] [Fig. 11.3.4] (P.15, 16)
Max length via heat source units: L
Max transmission cable length: L
1
Remote controller cable length:
,
1
If the length exceeds 10 m [32 ft], use a 1.25 mm
calculation of the maximum length and overall length.
2 MA Remote controller [Fig. 11.3.2] [Fig. 11.3.5] (P.15, 17)
Remote controller cable length: m
+m
1
3 Transmission booster [Fig. 11.3.3] [Fig. 11.3.6] (P.16, 17)
Remote controller cable length:
1
If the length exceeds 10 m [32 ft], use 1.25 mm
within the total extended length and the longest remote length.
11.4. Wiring of main power supply and equipment capacity
Schematic Drawing of Wiring (Example)
[Fig. 11.4.1] (P.17)
A
D Pull box
F
F'
Thickness of wire for main power supply, capacities of the switch and system impedance
MOP is used to select the fuse, switch, or breaker for current leakage.
Model
WY
PQHY-P72TLMU-A
PQHY-P96TLMU-A
PQHY-P120TLMU-A
PQHY-P144TLMU-A
PQHY-P168TLMU-A
PQHY-P192TLMU-A
PQHY-P216TLMU-A
PQHY-P240TLMU-A
PQHY-P72YLMU-A
PQHY-P96YLMU-A
PQHY-P120YLMU-A
PQHY-P144YLMU-A
PQHY-P168YLMU-A
PQHY-P192YLMU-A
PQHY-P216YLMU-A
PQHY-P240YLMU-A
WR2
PQRY-P72TLMU-A
PQRY-P96TLMU-A
PQRY-P120TLMU-A
PQRY-P144TLMU-A
PQRY-P168TLMU-A
PQRY-P192TLMU-A
PQRY-P216TLMU-A
PQRY-P240TLMU-A
PQRY-P72YLMU-A
PQRY-P96YLMU-A
PQRY-P120YLMU-A
PQRY-P144YLMU-A
PQRY-P168YLMU-A
PQRY-P192YLMU-A
PQRY-P216YLMU-A
PQRY-P240YLMU-A
1. Use dedicated power supplies for the heat source unit and indoor unit. Ensure OC and OS are wired individually.
2. Bear in mind ambient conditions (ambient temperature, direct sunlight, rain water, etc.) when proceeding with the wiring and connections.
3. The wire size is the minimum value for metal conduit wiring. If the voltage drops, use a wire that is one rank thicker in diameter.
Make sure the power-supply voltage does not drop more than 10%.
6. A switch with at least 3 mm [1/8in] contact separation in each pole shall be provided by the Air Conditioner installer.
+L
+L
+L
and L
+L
+L
+L
and L
+L
1
2
3
4
1
2
3
5
1
and L
+L
and L
+L
and L
and L
+L
3
4
3
5
6
2
6
,
,
10 m [32 ft] (0.3 to 1.25 mm
2
3
4
+L
+L
+L
and L
+L
+L
1
2
3
4
1
2
6
and L
+L
and L
and L
+L
1
3
4
6
2
and m
+m
+m
+m
200 m [656 ft] (0.3 to 1.25 mm
2
1
2
3
4
For PQHY
1 L
+ L
+ L
+ L
+ L
11
12
13
15
2 L
+ L
+ L
+ L
+ L
11
12
13
15
3 L
+ L
+ L
200 m [656 ft] (1.25 mm
11
12
14
4 L
+ L
+ L
+ L
, L
16
15
13
14
For PQRY
1 L
+ L
+ L
+ L
+ L
11
12
13
14
2 L
+ L
+ L
+ L
+ L
11
12
13
14
3 L
+ L
+ L
+ L
11
12
13
15
4 L
+ L
+ L
+ L
, L
17
16
14
15
,
10 m [32 ft] (0.3 to 1.25 mm
2
2
B Breakers for current leakage
E Indoor unit
2
Minimum wire thickness (mm
Main cable
Branch
3.3[12]
-
5.3[10]
-
8.4[8]
-
13.3[6]
-
13.3[6]
-
21.2[4]
-
33.6[2]
-
33.6[2]
-
2.1[14]
-
2.1[14]
-
3.3[12]
-
3.3[12]
-
5.3[10]
-
5.3[10]
-
8.4[8]
-
13.3[6]
-
3.3[12]
-
5.3[10]
-
8.4[8]
-
13.3[6]
-
13.3[6]
-
21.2[4]
-
33.6[2]
-
33.6[2]
-
2.1[14]
-
2.1[14]
-
3.3[12]
-
3.3[12]
-
5.3[10]
-
5.3[10]
-
8.4[8]
-
13.3[6]
-
+L
500 m [1,640 ft] (1.25 mm
2
2
6
200 m [656 ft] (1.25 mm
2
2
2
[AWG 16] shielded wire. The length of this section (L
500 m [1,640 ft] (1.25 mm
2
200 m [656 ft] (1.25 mm
2
6
2
2
200 m [656 ft] (1.25 mm
16
200 m [656 ft] (1.25 mm
2
17
2
+ L
+ L
+ L
200 m [656 ft] (1.25 mm
14
13
15
17
2
+ L
200 m [656 ft] (1.25 mm
16
17
+ L
200 m [656 ft] (1.25 mm
2
16
18
200 m [656 ft] (1.25 mm
2
+ L
+ L
+ L
200 m [656 ft] (1.25 mm
15
14
16
18
2
[AWG 16] shielded cable and calculate the length of that portion (L
C Heat source unit
Ground
3.3[12]
13
20
5.3[10]
19
30
8.4[8]
29
50
13.3[6]
35
60
13.3[6]
44
70
21.2[4]
54
90
33.6[2]
69
110
33.6[2]
79
125
2.1[14]
6
15
2.1[14]
9
15
3.3[12]
13
20
3.3[12]
16
25
5.3[10]
20
35
5.3[10]
25
40
8.4[8]
31
50
13.3[6]
36
60
3.3[12]
13
20
5.3[10]
19
30
8.4[8]
29
50
13.3[6]
35
60
13.3[6]
44
70
21.2[4]
54
90
33.6[2]
69
110
33.6[2]
79
125
2.1[14]
6
15
2.1[14]
9
15
3.3[12]
13
20
3.3[12]
16
25
5.3[10]
20
35
5.3[10]
25
40
8.4[8]
31
50
13.3[6]
36
60
8
2
2
and L
15
18
33
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