Electrical Connections - Carrier 38TYG H7 Serie Manual De Instalación

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38TYG---H7/38TYG---H9
38TYP---H7/38TYP---H9

Electrical connections

• Make refrigerant connections before electrical connections. When
disconnecting, disconnect electrical connections before refrigerant
connections.
IMPORTANT:
Make ground connection prior to any other electrical connections.
Note:
All field electrical connections are the responsibility of the installer.
Refer to the indoor unit installation manual for sizing the connection
wires between units.
• Remove electric box cover.
• Make electrical connections between units prior to proceeding to
mains supply unit connection.
• Connect the wires to the terminals according to the wiring diagram
and firmly tighten.
Table IV: Electrical data
Starting
current
Nominal conditions
(2)
230V~50Hz/400V~3N~50Hz
indoor 27°C d.b. 19°C w.b.
outdoor 35°C d.b. 24°C w.b.
Heat Pump
A
38TYG050H7
30
38TYG070H7
61
11.8
38TYG085H7
82
14.3
38TYG100H7
97
16.5
38TYG100H9
48
38TYG120H9
52
38TYG140H9
52
11.5
Notes:
1. Unit is suitable for indoor and outdoor installation.
2. Starting current duration is usually lower than 1 sec.
3. Wire size shown applies to line length up to 15 m.
4. If the indoor unit is provided with an electric heater, consult indoor unit installation manual for correct sizing of the wires.
5. Data refer to the outdoor unit only.
6. The mains supply connecting cable must be H07 RN-F (60245IEC66) type, synthetic rubber insulation with neoprene coating.
(1)
Cooling
Peak conditions
198V~50Hz/342V~3N~50Hz
ISO 5151.2/T1
ISO 5151.2/T1
indoor 32°C d.b. 23°C w.b.
outdoor 46°C d.b. 32°C w.b.
A
W
A
8.2
1740
11.6
2490
17.0
3030
19.9
3500
25.0
8.7
3550
10.0
9.8
3800
11.8
4800
13.4
• For 230 V ~ 1 pH 50 Hz single-phase unit
Before proceeding with the unit connection to the mains supply locate
live L and neutral N, then make connections as shown in the wiring
diagram.
• For 400V 3N ~50 Hz three-phase unit
Before proceeding with the unit connection to the mains supply locate
live L1,L2,L3 and neutral N, then make connections as shown in the
wiring diagram. When the electric supply cables L1 (R), L2 (S), L3 (T)
are connected inversely, a special "PSC" phase inversion protection
device blocks the compressor to prevent the same from rotating
inversely. In this case, switch off the electrical supply and check the
correctness of the sequence of the cables of the supply line connected
to the main terminal block (they are probably inverted).
The compressor will only be allowed to work if the phase sequence is
correct.
The phase sequence protection device also continuously monitors the
electrical supply line and if one of the phases is completely missing it
blocks the compressor.
The device only re-starts the compressor after the supply line is
correctly restored.
All the three phase compressors have identical internal wiring.
For this reason when the correct phase connections for a specific
system have been determined, the rotation direction will always be
correct if the same connections are made to the terminal block (for the
other equipment).
• Inside the electrical installation there must be installed an all
phase disconnector with a contact opening of at least 3,0 mm, the
disconnecting switches from the mains power supply should have
a contact gap (4 mm) such that total disconnection can be ensured
under the conditions provided for by overvoltage class III.
• The mains supply indoor unit – outdoor unit connecting cable must
be H07 RN-F (60245IEC66) type, synthetic rubber insulation with
neoprene coating.
Note:
After connections have been completed, close the electric box cover.
Power input (5)
Nominal conditions
230V~50Hz/400V~3N~50Hz
ISO 5151.2/High+
indoor 20°C d.b. 15°C w.b.
outdoor 7°C d.b. 6°C w.b.
W
A
W
2262
7.4
1710
2875
10.3
2180
3859
13.5
2850
4347
16
3400
4531
7.9
3284
4717
9.1
3260
6225
9.8
4460
E N G L I S H
Heating
Peak conditions
198V~50Hz/342V~3N~50Hz
ISO 5151.2/High+
indoor 27°C.
outdoor 24°C d.b. 18°C w.b.
A
W
10.4
2100
13.0
2509
15.8
3055
18.1
3556
8.5
3828
13.1
4919
11.6
5366
Main power
connections (6)
Time-
Wire
delay
size
fuse
(3-4)
gL type
A
mm
2
16
2.5
20
2.5
20
2.5
25
2.5
10
2.5
16
2.5
16
2.5
GB-24

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