Installation manual

9
6. Electricalwork
6.2. Fieldelectricalwiring
• If the wiring connecting the indoor and outdoor units is longer than 80 m, use separate indoor/outdoor unit power supplies. (Refer to the installation manuals of the in-
door units for more information.)
Indoor unit model RP200, 250
Outdoor unit
Power supply
Phase
Frequency & Voltage
3N~(3ph 4-wires), 50 Hz,
380 - 400 - 415 V
Outdoor unit input capacity *1
Main switch (Breaker)
32 A
Wiring
Wire No. × size
(mm
2
)
Outdoor unit power supply 5 × Min. 4
Indoor unit-Outdoor unit *2 Cable length 50 m : 3 × 4 (Polar)/Cable length 80 m : 3 × 6 (Polar)
Indoor unit-Outdoor unit earth 1 × Min. 2.5
Remote controller-Indoor unit *3 2 × 0.69 (Non-polar)
Circuit rating
Outdoor unit L1-N, L2-N, L3-N AC 220 - 230 - 240 V
Indoor unit-Outdoor unit S1-S2 *4 AC 220 - 230 - 240 V
Indoor unit-Outdoor unit S2-S3 *4 DC 24 V
Remote controller-Indoor unit *4 DC 12 V
*1. A breaker with at least 3 mm contact separation in each pole shall be provided. Use non-fuse breaker (NF) or earth leakage breaker (NV).
*2. Max. 80 m Total Max. including all indoor/indoor connection is 80 m.
• Use one cable for S1 and S2 and another for S3 as shown in the picture.
• Max. 50 m Total Max. for PEA. Wiring size 3 × 1.5 (Polar).
*3. A 10 m wire is attached in the remote controller accessory.
*4. The voltage are NOT against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
Notes:1.Wiringsizemustcomplywiththeapplicablelocalandnationalcode.
2.
PowersupplycordsandIndoorunit/Outdoorunitconnectingcordsshallnotbelighterthanpolychloroprenesheathedexiblecord.(Design60245IEC57)
 3.Useanearthwirewhichislongerthantheothercordssothatitwillnotbecomedisconnectedwhentensionisapplied.
“A-Control”
Outdoor Unit
3 poles isolator (Switch)
380/400/415 V 50 Hz
Three phase (4 wires)
Isolator (Switch)
“A-Control”
Indoor Unit
A
Power supply
B
Earth leakage breaker
C
Circuit breaker or local switch
D
LCD remote controller
E
Outdoor unit
F
Indoor unit
G
Power cable wiring
H
Indoor/Outdoor connection wiring
I
Grounding
Fig.6-2
* In case of PEA-400, 500
(No.1 Outdoor)
PUHZ-200, 250 PEA-400, 500
(TB4-1) (TB4-2)
(No.2 Outdoor)
PUHZ-200, 250
A
Outdoor unit
B
Indoor unit
C
Main remote controller
D
Subordinate remote controller
E
Standard (Refrigerant address = 00)
F
Refrigerant address = 01
G
Refrigerant address = 02
H
Refrigerant address = 03
I
Refrigerant address = 14
J
Refrigerant address = 15
* In case of PEA-200, 250 * In case of PEA-400, 500
BG79U791K01_en.indd 9 9/18/2007 3:43:22 PM