Carrier AquaEdge 19XR - Page 90

90
Fig. 56 — 19XRV Compressor Assembly Torques — Single and Two-Stage Compressors
CAUTION
USE COPPER CONDUCTORS ONLY
UTILISEZ DES CONDUCTEURS EN CUIVRE SEULMENT
ALWAYS USE 2 WRENCHES TO TIGHTEN
• TERM INSULATOR TO MOTOR – 15-35 ft. lb.
• BRASS NUT TO TERM INSULATOR – 3 ft. lb. max
• ADAPTOR TO TERM STUD – 20-35 ft. lb.
• LUG BOLTS (1/2")– 32-45 ft. lb.
Insulate entire connection with electrical insulation
including 1 inch of cable insulation and 1 inch of the
term insulator.
!
TERMINAL STUD
INSULATION
ADAPTER
BRASS NUT
TERMINAL
INSULATOR
1
2
3
13
CAUTION
USE COPPER CONDUCTORS ONLY
UTILISEZ DES CONDUCTEURS EN CUIVRE SEULMENT
ALWAYS USE 2 WRENCHES TO TIGHTEN
• TERM INSULATOR TO MOTOR – 15-35 ft. lb.
• CABLE LUG NUT – 40-45 ft. lb.
Insulate entire connection with electrical insulation
including 1 inch of cable insulation and 1 inch of the
term insulator.
!
TAPE TO EXTEND TO AND OVER
LEAD WIRE INSULATION
AFTER ATTACHING LEAD, THIS AREA
TO BE WRAPPED WITH ONE LAYER OF
THERMAL INSULATION PUTTY AND AT
LEAST FOUR LAYERS OF APPROPRIATE
ELECTRICAL INSULATING TAPE.
1
2
3
12
6
4
5
MOTOR LEAD INSTALLATION LABELS
19XRV COMPRESSOR ASSEMBLY TORQUES
19XRV COMPRESSOR ASSEMBLY TORQUES FRAME C, E
ITEM
COMPRESSOR FRAME 2 FRAME 3 FRAME 4 FRAME 4 FRAME 5
CODE 201-299, 2ZZ
321-389, 3ZZ,
32E-38H
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 De
mister 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)
ITEM
COMPRESSOR FRAME C FRAME E
CODE C21-C89 E31-E69
1 Oil Heater Retaining Nut — ft-lb (N·m) 18-22 (24-30) 18-22 (24-30)
2 Bull Gear Retaining Bolt — ft-lb (N·m) 80-90 (108-122) 80-90 (108-122)
3 Demister Bolts — ft-lb (N·m) 15-19 (20-26) 15-19 (20-26)
4 Impeller Nut (Inner) — ft-lb (N·m) 100 (136) 250 (339)
5 Impeller Nut (Outer) — ft-lb (N·m) 100 (136) 100 (136)
6 Guide Vane Shaft Seal Nut — ft-lb (N·m) 25 (34) 25 (34)
a19-1642
a19-1643
Mandatory for medium/high voltage.