Access & Removal
CT Hoods and DD Ventilation
4-4
H
EAT
S
ENTRY
R
EMOVAL
NOTE:
Refer to all WARNINGS and CAUTIONS at be-
ginning of this section.
The heat sentry is located behind the lamp-holder sup-
port and is held in place by a retaining clip.
The heat sentry will activate when the exhaust tempera-
ture reaches 206°F (97°C), signaling the blower motor to
start or increase to the next highest speed. The corre-
sponding LED will fl ash on and off to indicate Heat Sentry
Mode.
To remove the heat sentry, the fi lters must be removed
fi rst, then (See Fgure 4):
Reach inside hood cavity on backside of lamp-holder
1.
support, locate the heat sentry and pull out from
under retaining clip.
Disconnect wire leads from heat sentry.
2.
L
AMP
-
HOLDER
S
UPPORT
R
EMOVAL
The lamp-holder support provides a mounting surface for
the lamp-holder assemblies and heat sentry. The front
edge of the lamp-holder support has tabs that fi t into slots
formed in the wall hood frame, while two screws in the
opposite corners secure the support to the wall hood.
To remove the lamp-holder support, the fi lters, heat sen-
try and the lamp assemblies must be removed fi rst, (See
Figure 4):
Extract screws from corners of lamp-holder support.
1.
(See Figure 4)
Pull lamp-holder support away from front edge of wall
2.
hood until tabs release from slots, and remove from
unit.
U
SER
I
NTERFACE
S
WITCH
M
OUNTING
B
RACKET
R
EMOVAL
The user interface switch is mounted to a bracket that is
located on the front right side of the wall hood. Screws
secure the mounting bracket to the interior of the wall
hood cavity.
To remove the user interface switch mounting bracket,
the fi lters and lamp-holder support must be removed fi rst,
then (See Figures 5 & 6):
Extract the screws securing the user interface switch
1.
mounting bracket to the wall hood frame.
Pull control panel assembly out of wall hood.
2.
Extract screws securing user interface switch to
3.
mounting bracket.
Figure 4-4 Lamp-holder Support Removal
Figure 4-5 Control Panel Bracket Removal
Figure 4-6 Removing Control From Bracket
Heat Sentry
Remove Screws
Front Edge
Remove Screws
Remove Screws
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 ...