Titus ML User Manual
Installation Manual
Linear Slot Ceiling Diffusers
Aluminum • Modulinear
Models: ML-37 •
ML-38 •
ML-39 • 1” Slot • Supply
MLR-37 •
MLR-38 •
MLR-39 • 1” Slot • Return
1
/2” Slot • Supply
3
/4” Slot • Supply
1
/2” Slot • Return
3
/4” Slot • Return
D-ML-IM 2-28-13
Factory Cut Supply
ML-37
ML-38
ML-39
Factory
Spacer
Pattern
Conrtoller
Factory Cut Supply
ML-37
ML-38
ML-39
Field
Spacer
Factory Cut Return
MLR-37
MLR-38
MLR-39
Factory
Spacer
Factory Cut Return
MLR-37
MLR-38
MLR-39
Field
Spacer
Spring Clips
Pattern
Conrtoller
Factory
Spacer
Tube
Dimensions are in inches.
Factory
Tube
Spacer
Y-?.0-S
End Fabrication
(Factory Welded)
End Frame
Strip
Alignment
Rail
Side
Assembled
Gauge
Temporary
Corner
Field
Temporary
Gauge
Corner
Field Assembled
Diffuser Assembly Instructions
#8 x 1 1/4 Oval Head Screw
(Border Type 1A only)
(Welded)
Factory
Spacer
#6 x 1/2 SMS
Optional
End Cap
End Border
Optional
Blade
Bar
Support
Controller
Pattern
Spring Clip
Alignment
Pins
Corner
Mitered
Blank-Offs
Optional
1. Determine size of duct opening. Duct width depends upon model,
frame & border type and number of slot. See Duct Dimensions D’
table (Page 7). Duct length is as ordered.
2. First install end frames and field assembled corner pieces in ceiling
opening. Then cut side rails to length and install. Use alignment strips
furnished with frame parts to connect side rails, corners and end
frames to each other.
Note: When end borders are not to be used with diffuser, mounting
frame ends are not furnished.
3. Use removable gauges furnished with frame parts to ensure
proper fit of diffuser into mounting frame. Gauges snap into place
between side rails as shown above. If mounting frame is to be plastered into place, use wood blocks to stiffen side rails and maintain
correct inside dimensions.
1. Assemble diffuser with alignment pins as shown above. End
borders or caps, where ordered, are attached at factory.
2. Install diffuser in ceiling. See Hanger Bracket Mounting
Instructions (Page 4).
Note: Mounting frame is used only on
Frame & Border Types 3, 4, 6, 7A, 7B, 11.
2
Field Cut Diffuser
3
Field Cutting Instructions
Factory Cut Diffuser (Trimming)
1. Message length of diffuser to be cut.
2. Mark ML or MLR for cut. You can cut as much as 3” on each
end for a maximum of 6”. Do not cut passed weld spacer.
3. Insert 1/2” dowel into center of each pattern controller. Insert
wood blocks or dowels on outside of pattern controller. Wood will
support pattern controller when cutting through diffuser.
4. Cut ML or MLR with circular saw. Recommended metal cutting saw blade:
14 x 152 teeth or
10 x 80 teeth
3/32 “ thickness.
Apply lubricant while cutting.
1. Message length of diffuser to be cut.
2. Mark MLF or MLRF for field cut. NOTE: If 6” or less is to be cut off,
use Trimming instructions shown above. To ensure proper support of
pattern controller deflector blades, there should be 7” or less between
end of diffuser and next spacer. If after marking their is more than 7”
between the field cut mark and the factory spacer, install field spacer.
If field spacer is required
3. Line up wholes on side of field spacer with predrilled holes in diffuser. Make sure field cut is between factory weld spacer and field
spacer.
4. Installed tube through diffuser field spacer. Next install screws in
both ends of the tube and tighten.
5. For MLF with pattern controllers, install screw through lower tab
hole of field spacer and tighten into threaded channel on blade support
bar.
6. For MLF with pattern controllers install additional spring clips on top
of blade support bar. Place clip 2” from edge or directly behind spacer
if space is in the way. See spring clip for detail, Page 4.
7. Insert 1/2”dowel in center of each controller. Insert wood blocks or
dowels on outside of pattern controller. Wood support pattern controller
when cutting through diffuser.
8.Cut MLF or MLRF with circular saw. Recommended metal cutting
saw blade:
14 x 152 teeth or
10 x 80 teeth
3/32” thickness
Apply lubricant while cutting.
Spacer
Factory
1
3
Spacer
Field
Spacer
Factory
1
Field Cut
use field spacer
If more than 7"
2
7
5
4
6
8
3" Max
3
2
1
Spacer
Factory
Do not cut
past spacer
Trim
4
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