GE GTDS825GD0MC Installation Instructions Manual page 6

Installation Instructions
EXHAUST INFORMATION (cont.)
NORMAL VENT
EXHAUST LENGTH
RECOMMENDEDMAXIMUM LENGTH
Exhaust HoodTypes
Recommended Useonlg for short
run installations
No. of 90 ° Rigid Rigid
Elbows Meta Meta
0 90 Feet 60 Feet
! 60 Feet 45 Feet
2 45 Feet 55 Feet
5 55 Feet 25 Feet
4 25 Feet 15 Feet
LONG VENT
EXHAUST LENGTH
RECOMMENDEDMAXIMUM LENGTH
Exhaust Hood Types
Recommended Useonlg for short
run installations
No. of 90 ° Rigid Rigid
Elb ows Metal Metal
0 150 Feet 125 Feet
! 155 Feet !!5 Feet
2 125 Feet !05 Feet
5 !!5 Feet 95 Feet
4 105 Feet 85 Feet
5 95 Feet 75 Feet
ONLY THESE MODELS
GTDL740EDWW
GTDL740G DWW
For everg extra 90 ° elbow, reduce the allowable vent sgstem
length bg 10 ft.
Two 45 ° elbows wilt be treated like one 90° elbow.
For the side exhaust installations, add one 90° elbow to the
chart.
The totot vent sgstem length includes utt the straight portions
and elbows of the sgstem (transition duct included).
[] EXHAUST SYSTEM CHECK LIST
HOOD OR WALL CAP
• Terminate in a manner to prevent back drafts or entrg of birds
or other wildlife.
• Termination should present minimal resistance to the exhaust
air flow and shouldrequirelittleor no maintenoceto preventclogging
• Never install a screen in or over the exhaust duct. This could
cause lint build up.
• Wall caps must be installed at least 12 in. above ground level
or ang other obstruction with the opening pointed down.
SEPARATION OF TURNS
Forbest performance, separate all turns bg at least 4 ft. of straight
duct, including distance between last turn and exhaust hood.
TURNS OTHER THAN 90 °
• One turn of 45° or less mag be ignored.
• Two 45oturns should be treated as one 90o turn.
• Each turn over Q5 o should be treated as one 90oturn.
SEALING OF JOINTS
- All joints should be tight to avoid leaks. The male end of each
section of duct must point awag from the drger.
- The duct shall not be assembled with screws or other
fastening means that extend into the duct and catch lint.
- Duct joints can be made air and moisture-tight bg wrapping
the overlapped joints with duct tape.
- Horizontal runs should slope down toward the outdoors
1/4 inch per foot.
INSULATION
Ductwork thatrunsthroughan unheatedareaorisnearair
conditioning shouldbe insulated toreducecondensation a nd
lint build-up.
PARTS AVAILABLE FROM LOCAL SERVICE
ORGANIZATIONS
• Rigid Metal Duct Components
WX8X63 4" x 1' Duct
WX8X64 4" x 2' Duct
WX8X51 4" Elbow
WX8X59 4" Aluminum Hood
• Flexible Metal Duct Components
WX8X58 4" Clamps (2)
WX8X59 4" Aluminum Hood
WX08X10077 6' UL-Listed, Flexible Metal (Semi-Rigid)
Duct, 2 Clamps, 2 Close Elbows
WEIM454 Cover rear exhaust opening