8
See
“Variable Frequency Drive (VFD) Installation, Setup
and Troubleshooting Supplement”
for wiring schematics
and performance charts and configuration.
VARIABLE
FREQUENCY
DRIVE (VFD)
C11528
Fig. 9 -- VFD Location for 48TC 08 -- 09 Units
VARIABLE
FREQUENCY
DRIVE (VFD)
C11529
Fig. 10 -- VFD Location for 48TC 12--14 Units
VARIABLE
FREQUENCY
DRIVE (VFD)
C11530
Fig. 11 -- VFD Location for 48TC 16 Unit
Additional Variable Frequency Drive (VFD)
Installation and Troubleshooting
Additional installation, wiring and troubleshooting
information for the Variable Frequency Drive can be
found in the following manual:
“Variable Frequency
Drive (VFD) Installation, Setup and Troubleshooting
Supplement.”
Have a copy of this manual on hand at
start--up.
SUPPLY FAN MOTOR
Replacing the Motor
When replacing the motor, also replace the external--tooth
lock washer (star washer) under the motor mounting base;
this is part of the motor grounding system. Ensure the
teeth on the lock washer are in contact with the motor’s
painted base. Tighten motor mounting bolts to 120
12
in--lbs.
BLOWER PULLEY
V-BELT
MOTOR
PULLEY
MOTOR
MOTOR MOUNTING
PLATE
MOUNTING
BOLTS (4)
C11504
Fig. 12 -- Replacing Belt Driven Motor
Use the following steps to replace the belt--driven motor.
1. Turn off all electrical power to the unit. Use
approved lockout/tagout procedures on all electrical
power sources.
2. Remove cover on motor connection box.
3. Disconnect all electrical leads to the motor.
4. Loosen four mounting plate bolts.
5. Move motor assembly toward blower assembly.
6. Remove V--belt from blower pulley and motor
pulley.
7. Remove four bolts, four flat washers, four lock
washers and four nuts attaching the motor mounting
plate to the unit. Discard all lock washers.
8. Remove motor and motor mounting plate from unit.
9. Remove four bolts, four flat washers, four lock
washers and one external--tooth lock washer
attaching motor to the motor mounting plate. Discard
all lock washers and external--tooth lock washer.
10. Lift motor from motor mounting plate and set aside.
11. Slide motor mounting band from old motor.
12. Slide motor mounting band onto new motor and set
motor onto the motor mounting plate.
48TC
Summary of Contents for 48TC 04 Series
Page 27: ...27 COOLING CHARGING CHARTS cont C14064 Fig 33 Cooling Charging Charts 12 5 Ton 48TC...
Page 29: ...29 COOLING CHARGING CHARTS cont C13218 Fig 35 Charging Chart 48TC Size D16 48TC...
Page 40: ...40 C14052 Fig 51 Typical Smoke Detector System Wiring 48TC...
Page 122: ...122 APPENDIX III WIRING DIAGRAMS C12413 Fig 103 48TC A04 A07 Power Diagram 208 230 1 60 48TC...
Page 124: ...124 APPENDIX III WIRING DIAGRAM LIST C12415 Fig 105 48TC A04 A07 Power Diagram 575 3 60 48TC...
Page 126: ...126 APPENDIX III WIRING DIAGRAM LIST C13246 Fig 107 48TC A08 A12 Power Diagram 575 3 60 48TC...
Page 128: ...128 APPENDIX III WIRING DIAGRAM LIST C13247 Fig 109 48TC D08 D12 Power Diagram 575 3 60 48TC...
Page 130: ...130 APPENDIX III WIRING DIAGRAM LIST C13249 Fig 111 48TC D14 Power Diagram 575 3 60 48TC...
Page 139: ...139 APPENDIX III WIRING DIAGRAMS C12423 Fig 120 48TC D16 Power Diagram 575 3 60 48TC...
Page 143: ...143 APPENDIX III WIRING DIAGRAM LIST C13485 Fig 124 48TC 16 PremierLink Control Diagram 48TC...
Page 145: ...145 APPENDIX III WIRING DIAGRAM LIST C13487 Fig 126 48TC 16 RTU Open Control Diagram 48TC...
Page 146: ...146 APPENDIX III WIRING DIAGRAM LIST C14124 Fig 127 48TC D08 14 E08 14 W7220 2 Speed IFM 48TC...
