Carrier WeatherExpert 48LCD05 - Fastener Torque Values

60
Fig. 59 — ACS320 VFD Wiring
Fig. 60 — ACH550 VFD Wiring
FASTENER TORQUE VALUES
See Table 34 for torque values.
Table 32 — ACS320 VFD Terminal Designations
TERMINAL FUNCTION
U1
V1
W1
Three-Phase main circuit input power supply
U2
V2
W2
Three-Phase AC output to motor, 0V to maximum
input voltage level
10 (GND)
12 (COMMON)
Factory-supplied jumper
9 (24 VDC)
11 (DI-1)
Run (factory-supplied jumper)
9 (24 VDC)
15 (DI-4)
Start Enable 1 (factory-supplied jumper). When
opened, the drive goes to emergency stop
13 (DI-2)
14 (DI-3)
Factory wired for 24 Vdc input from Fan Speed
Board
Table 33 — ACH550 VFD Terminal Designations
TERMINAL FUNCTION
U1
V1
W1
Three-Phase main circuit input power supply
U2
V2
W2
Three-Phase AC output to motor, 0V to maximum
input voltage level
11 (GND)
12 (COMMON)
Factory-supplied jumper
10 (24 VDC)
13 (DI-1)
Run (factory-supplied jumper)
10 (24 VDC)
16 (DI-4)
Start Enable 1 (factory-supplied jumper). When
opened, the drive goes to emergency stop
14 (DI-2)
15 (DI-3)
Factory wired for 24 Vdc input from Fan Speed
Board
ACS320 VFD TERMINAL STRIP
GND
DCOM 1
+24 V
DI-1 DI-2 DI-3 DI-4
9101112131415
PNK YEL WHT
Table 34 — Torque Values
LOCATION TORQUE VALUES
Supply fan motor mounting 120 ± 12 in-lb 13.5 ± 1.4 Nm
Supply fan motor adjustment plate 120 ± 12 in-lb 13.5 ± 1.4 Nm
Motor pulley setscrew 72 ± 5 in-lb 8.1 ± 0.6 Nm
Fan pulley setscrew 72 ± 5 in-lb 8.1 ± 0.6 Nm
Blower wheel hub setscrew 72 ± 5 in-lb 8.1 ± 0.6 Nm
Bearing locking collar setscrew 65 to 70 in-lb 7.3 to 7.9 Nm
Compressor mounting bolts 65 to 75 in-lb 7.3 to 7.9 Nm
Condenser fan motor mounting
bolts
20 ± 2 in-lb 2.3 ± 0.2 Nm
Condenser fan hub setscrew 84 ± 12 in-lb 9.5 ± 1.4 Nm
ACH550 VFD TERMINAL STRIP
GND
DCOM 1
+24 V
DI-1 DI-2 DI-3 DI-4
10 11 12 13 14 15 16
PNK YEL WHT