LEGEND FOR FIG. 53-58
MOTOR LEAD INSTALLATION LABELS
19XRV COMPRESSOR ASSEMBLY TORQUES
Fig. 52 — Compressor Fits and Clearances (cont)
ITEM
COMPRESSOR FRAME 2 FRAME 3 FRAME 4 FRAME 4 FRAME 5
Code 201-299, 2ZZ 321-389, 3ZZ 421-487 4B1-4W7 501-599
DESCRIPTION Fixed Diffuser
With Rolling
Element
Bearings
Fixed Diffuser
Split Ring
Diffuser
Split Ring
Diffuser
1 Oil Heater Retaining Nut — ft-lb (N·m) N/A 18-22 (25-30) 18-22 (25-30) 18-22 (25-30) 18-22 (25-30)
2 Bull Gear Retaining Bolt — ft-lb (N·m) 80-90 (108-122) 80-90 (108-122) 80-90 (108-122) 80-90 (108-122) 80-90 (108-122)
3 Demister Bolts — ft-lb (N·m) 15-19 (20-26) 15-19 (20-26) 15-19 (20-26) 15-19 (20-26) 15-19 (20-26)
4 Impeller bolt Torque — ft-lb (N·m) 32-48 (43-65) 55-60 (75-81) 55-60 (75-81) 55-60 (75-81) 160-225 (217-305)
a19-1642
a19-1643
AUX — Auxiliary
CB — Circuit Breaker
CCM — Chiller Control Module
CCN — Carrier Comfort Network
®
COM — Common
COMM — Communications
DL/DP — Data Link/Data Port
GND — Chassis Ground
GV — Inlet Guide Vane
GVA — Guide Vane Actuator
HGBP — Hot Gas Bypass
HPS — High Pressure Switch
ICVC — International Chiller Visual Controller
J—Junction
NTC — Negative Temperature Coefficient
RHS — Relative Humidity Sensor
T—Tr an s fo r me r
TB — Terminal Block
UPC — Universal Protocol Converter
VFD — Variable Frequency Drive
1C — Compressor Oil Heater Contactor
2C — Oil Pump Contactor
3C — Hot Gas Bypass Relay
Field Control Wiring
Field Power Wiring
Factory Wiring
Shielded Cable
Male/Female Connector
Terminal Block Connection
Wire Splice or Junction
Component Terminal
Thermistor
Transducer
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