Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 126

9-2-2. Cross section area of Wire for Main Power and ON/OFF capacities
PUMY-SP112VKM(R1).TH
PUMY-SP112YKM(R1).TH
PUMY-SP112VKM(R1).TH-BS
PUMY-SP112YKM(R1).TH-BS
<Outdoor unit> <When power is supplied to outdoor unit and branch box separately>
Model
~/N 220-230-240V, 50 Hz
SP112–140V
Outdoor Unit
3N~380-400-415V, 50 Hz
SP112–140Y
<Outdoor unit> <When power is supplied to branch box from the outdoor unit>
Model
~/N 220-230-240V, 50 Hz
SP112–140V
Outdoor Unit
3N~380-400-415V 50 Hz
SP112–140Y
1
* A breaker with at least 3.0 mm contact separation in each poles shall be provided. Use non-fuse breaker (NF) or earth leakage breaker (NV).
<Indoor units> <When power is supplied to indoor unit and outdoor unit separately>
Total operating current of the indoor unit
3
F0 = 16 A or less *
3
F0 = 25 A or less *
3
F0 = 32 A or less *
Apply to IEC61000-3-3 about max. permissive system impedance.
2
* The Ground-fault interrupter should support inverter circuit.
The Ground-fault interrupter should combine using of local switch or wiring breaker.
3
* Please take the larger of F1 or F2 as the value for F0.
F1 = Total operating maximum current of the indoor units × 1.2
F2 = F2 = {V1 × (Quantity of Type 1)/C} + {V1 × (Quantity of Type 2)/C} + {V1 × (Quantity of Type 3)/C} + ··· + {V1 × (Quantity of Type 15)/C}
Connect to Branch box (PAC-MK·BC)
Indoor unit
Type 1 PEAD-RP·JAQ(L).UK, PEAD-M·JA(L)
Type 2 SEZ-KD·VA, SEZ-M·DA, PCA-RP·KAQ, PCA-M·KA,SLZ-KF·VA, PLA-RP·EA(.UK)
Type 3 SLZ-M·FA
Type 4 MLZ-KA·VA, MLZ-KP·VF
Type 5 MSZ-LN·VG, MSZ-AP·VF, MSZ-AP·VG, MFZ-KJ·VE
Type 6 MSZ-FH·VE, MSZ-GF·VE, MSZ-SF·VE, MSZ-EF·VE, MSZ-SF·VA
Type 7 Branch box (PAC-MK·BC(B))
Connect to Connection kit (PAC-LV11M)
Indoor unit
Type 8 MSZ-LN·VG, MSZ-AP·VF, MSZ-AP·VG
Type 9 MSZ-SF·VA, MSZ-SF·VE, MSZ-EF·VE, MSZ-FH·VE
Type10 Connection kit (PAC-LV11M)
Indoor unit
Type 11 PEFY-P·VMA(L)-E, PEFY-P·VMA3-E
PMFY-P·VBM-E, PLFY-P·VBM-E, PLFY-P·VEM-E, PLFY-EP·VEM-E,
Type 12 PLFY-P·VFM-E, PEFY-P·VMS1(L)-E, PCFY-P·VKM-E, PKFY-P·VHM-E, PKFY-P·VKM-E,
PFFY-P·VKM-E, PFFY-P·VLRMM-E
Type 13 PLFY-P·VCM-E
Type 14 PKFY-P·VBM-E
PLFY-P·VLMD-E, PEFY-P·VMH-E, PEFY-P·VMR-E-L/R, PEFY-P·VMH-E-F,
Type 15
PFFY-P·VLEM-E, PFFY-P·VLRM-E, GUF*4-RD(H)4
C: Multiple of tripping current at tripping time 0.01 s
Please pick up "C" from the tripping characteristic of the breaker.
<Example of "F2" calculation>
Condition PLFY-VBM × 4 + PEFY-VMA × 1, C = 8 (refer to right sample chart)
F2 = 19.8 × 4/8 + 38 × 1/8
= 14.65
→ 16 A breaker (Tripping current = 8 × 16 A at 0.01 s)
4
* Current sensitivity is calculated using the following formula.
G1 = V2 × (Quantity of Type1) + V2 × (Quantity of Type2) + V2 × (Quantity of Type3) + ··· + V2 × (Quantity of Type15) + V3
× (Wire length[km])
<Example of "G1" calculation>
When connecting 3 units of the SEZ-KD respectively to a branch box with a wire that is 20 m long and 1.5 mm² in diameter, then con-
necting the branch box and PEFY-VMA to a single breaker with a wire that is 100 m long in total and 2.5 mm² in diameter.
G1 = 2.4 × 3 + 3 + 1.6 + 48 × 0.02 × 3 + 56 × 0.1
= 20.28
G1 Current sensitivity
30 or less 30 mA 0.1 seconds or less
100 or less 100 mA 0.1 seconds or less
1. Bear in mind ambient conditions (ambient temperature, direct sunlight, rain water, etc.) when proceeding with the wiring and connections.
2. The wire size is the minimum value for metal conduit wiring. The power cord size should be 1 rank thicker consideration of voltage drops.
Make sure the power-supply voltage does not drop more than 10%.
3. Specific wiring requirements should adhere to the wiring regulations of the region.
4. Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord (design 60245 IEC57). For
example, use wiring such as YZW.
5. Install an earth line longer than power cables.
OCH668B
PUMY-SP125VKM(R1).TH
PUMY-SP125YKM(R1).TH
PUMY-SP125VKM(R1).TH-BS
PUMY-SP125YKM(R1).TH-BS
Minimum Wire Cross-sectional area (mm²)
Power Supply
Main Cable
6
~/N 220 V, 60 Hz
1.5
3N~380 V, 60 Hz
Minimum Wire Cross-sectional area (mm²)
Power Supply
Main Cable
6
~/N 220 V, 60 Hz
2.5
3N~380 V, 60 Hz
Minimum wire thickness (mm²)
Main Cable Branch
1.5 1.5
2.5 2.5
4.0 4.0
Wire thickness
1.5 mm²
2.5 mm²
4.0 mm²
PUMY-SP140VKM(R1).TH
PUMY-SP140YKM(R1).TH
PUMY-SP140VKM(R1).TH-BS
PUMY-SP140YKM(R1).TH-BS
Breaker for Wiring *
Branch Ground
– 6
– 1.5
Breaker for Wiring *
Branch Ground
– 6
– 2.5
Ground-fault interrupter *
Ground
1.5 20 A current sensitivity *
2.5 30 A current sensitivity *
4.0 40 A current sensitivity *
V1
26.9
19.8
17.1
9.9
7.4
6.8
5.1
V1
7.4
6.8
3.5
V1
38.0
19.8
9.9
3.5
0
V3
48
56
66
126
1
Breaker for Current Leakage
32 A 32 A 30 mA 0.1 seconds or less
16 A 16 A 30 mA 0.1 seconds or less
1
Breaker for Current Leakage
40 A 40 A 30 mA 0.1 seconds or less
25 A 25 A 30 mA 0.1 seconds or less
Local switch (A)
Breaker for wiring
2
Capacity Fuse
4
16 16
4
25 25
4
32 32
V2
2.4
3.0
V2
2.4
V2
1.6
2.4
Sample chart
6000
0
600
60
10
1
0.1
0.01
1 2 3 4
Rated Tripping current (x)
(NFB)
20
30
40
SAMPLE
6 8 10 20
C