Access & Removal
CT Hoods and DD Ventilation
4-12
B
LOWER
M
OTOR
R
EMOVAL
NOTE:
Refer to all WARNINGS and CAUTIONS at
beginning of this section.
The blower motor is mounted to the scroll box assembly
on three isolators and is secured with nuts. It will be
necessary to remove the internal blower assembly from
its installation position to remove the blower motor.
To remove the blower motor, (See Figure 28):
Extract screws from outside edge of scrollbox cover.
1.
Extract screws and 3/8” (9.5) nut from scroll box
weldment and remove from unit.
Remove blower wheel by extracting setscrew secur-
2.
ing the blower wheel to blower motor shaft.
From opposite side of assembly, extract 7/16” (11)
3.
nuts securing blower motor to isolators.
Lift motor off of isolators.
4.
To remove isolators, from blower wheel side of as-
5.
sembly, use a 3/8” socket or wrench to extract the
bolts securing the isolators to scroll box frame.
C
APACITOR
R
EMOVAL
NOTE:
Refer to all WARNINGS and CAUTIONS at
beginning of this section.
The capacitor is located in the lower left hand corner of
the scroll box assembly and is secured in position by a
bracket and screws.
To remove the capacitor, (See Figure 29):
Extract screws from outside edge of scrollbox cover.
1.
Extract screws and 3/8” (9.5) nut from scroll box
weldment and remove from unit.
Extract bolts securing capacitor bracket to scroll box
2.
assembly. Lift bracket off of capacitor.
Remove rubber cover from capacitor and disconnect
3.
wire leads.
Figure 4-28 Blower Motor Removal
Figure 4-29 Capacitor Removal
Isolator (3)
Scroll Box
Weldment
Set Screw
Capacitor
TO AVOID ELECTRIC SHOCK, POWER TO THE
VENTILATION UNIT MUST BE DISCONNECTED
WHENEVER PERFORMING THE FOLLOWING
REPAIRS.
Summary of Contents for CT
Page 2: ......
Page 3: ...1 1 General Information CT Hoods and DD Ventilation SECTION 1 GENERAL INFORMATION ...
Page 8: ...1 6 General Information CT Hoods and DD Ventilation NOTES ...
Page 9: ...2 1 Installation Information CT Hoods and DD Ventilation SECTION 2 INSTALLATION INFORMATION ...
Page 35: ...Controls Operation CT Hoods and DD Ventilation 3 1 SECTION 3 CONTROLS OPERATION ...
Page 39: ...Access Removal CT Hoods and DD Ventilation 4 1 SECTION 4 COMPONENT ACCESS REMOVAL ...
Page 54: ...Access Removal CT Hoods and DD Ventilation 4 16 NOTES ...
Page 55: ...5 1 Troubleshooting CT Hoods and DD Ventilation SECTION 5 TROUBLESHOOTING ...
Page 62: ...5 8 Troubleshooting CT Hoods and DD Ventilation NOTES ...
Page 63: ...6 1 Technical Data CT Hoods and DD Ventilation SECTION 6 TECHNICAL DATA ...
Page 66: ...6 4 Technical Data CT Hoods and DD Ventilation NOTES ...
Page 67: ...Wiring Schematics CT Hoods and DD Ventilation 7 1 SECTION 7 WIRING DIAGRAMS SCHEMATICS ...
Page 68: ...Wiring Schematics CT Hoods and DD Ventilation 7 2 MODEL CTWH30 WIRING DIAGRAM ...
Page 69: ...Wiring Schematics CT Hoods and DD Ventilation 7 3 MODEL CTWH36 WIRING DIAGRAM ...
Page 70: ...Wiring Schematics CT Hoods and DD Ventilation 7 4 MODEL IH4227 WIRING DIAGRAM ...
Page 72: ...Wiring Schematics CT Hoods and DD Ventilation 7 6 MODEL DD30 DD36 SCHEMATIC ...
Page 76: ...Wiring Schematics CT Hoods and DD Ventilation 7 10 MODEL DD30 DD36 CONTROL SCHEMATIC ...
Page 77: ...Wiring Schematics CT Hoods and DD Ventilation 7 11 MODEL DD POWER SUPPLY WIRING ...
Page 80: ...Wiring Schematics CT Hoods and DD Ventilation 7 14 BLOWER SCHEMATIC 600 900EXT ...
Page 81: ...Wiring Schematics CT Hoods and DD Ventilation 7 15 BLOWER SCHEMATIC 1200EXT ...
Page 82: ...Wiring Schematics CT Hoods and DD Ventilation 7 16 BLOWER SCHEMATIC 1500EXT ...
Page 83: ...8 1 Parts Exploded CT Hoods and DD Ventilation SECTION 8 PARTS LISTS EXPLODED VIEWS ...
Page 98: ...8 16 Parts Exploded CT Hoods and DD Ventilation NOTES ...