Munters 36LTX-1PK User manual

1© Munters Corporation, November 2023 QM1410r0
Instruction Manual
LTX Housing for Vortex Fans 36”, 51”, 55”
Models: 36LTX-1PK • 36LTX-2PK • 36LTX-3PK• 51LTX-1PK •
51LTX-2PK • 51LTX-3PK • 55LTX-1PK • 55LTX-2PK •
55LTX-3PK
Aerotech
LTX Housing
for Vortex Fans
VX36, VX51 & VX55
51LTX
51LTX w/ VX51

© Munters Corporation, November 2023
2QM1410r0
LTX Housing for Vortex Fans 36LTX, 51LTX & 55LTX
Instructions for Use and Maintenance
Thank You:
Thank you for purchasing a Munters LTX Housing. Munters equipment is designed to be the highest performing,
highest quality equipment you can buy. With the proper installation and maintenance it will provide many years
of service.
Please Note:
To achieve maximum performance and insure long life from your Munters product it is essential that it be installed
and maintained properly. Please read all instructions carefully before beginning installation.
Warranty:
For Warranty claims information see the “Warranty Claims and Return Policy” form QM1021 available from the
Munters Corporation office at 1-800-227-2376 or by e-mail at [email protected].
Conditions and Limitations:
• Products and Systems involved in a warranty claim under the “Warranty Claims and Return Policy” shall have
been properly installed, maintained and operated under competent supervision, according to the instructions
provided by Munters Corporation.
• Malfunction or failure resulting from misuse, abuse, negligence, alteration, accident or lack of proper installation
or maintenance shall not be considered a defect under the Warranty.

3© Munters Corporation, November 2023 QM1410r0
Index
Chapters Page
1. Unpacking the Equipment 4
1.1 Parts List 4-5
1.2 LTX Housing Dimensions 6
1.3 LTX Housing with Fan Depth 6
2. Installation Instructions 7-33
2.1 LTX Housing Installation 7
2.2 Fan Installation 11
2.3 L.H. Door (48”) Assembly 13
2.4 R.H. Door (36”) Assembly 21
2.5 L.H. Door (48”) Installation 30
2.6 R.H. Door (36”) Installation 31
3. Maintenance 34
4. Winterizing 35
4.1 Winterizing 35
4.2 Winter Weather Protection 35
5. Exploded View and Parts List 36-37

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1.1 Parts List
Unpacking the Equipment 1.
Before beginning installation, check the overall condition of the equipment. Remove packing materials, and examine
all components for signs of shipping damage. Any shipping damage is the customer’s responsibility and should be re-
ported immediately to your freight carrier. LTX Housing is shipped with all accessories for assembly, (fan not included).
Each LTX Housing Includes:
Qty Cat. No. Description
1 FA2136 - FA2151 - FA2155 LTX Housing, 36LTX - 51LTX - 55LTX, FG
1 FA1621 Right/Left LTX Doors Kit
1 BK2001 Bulk Pack, R.H. Door Side Panels
1 FA2103 Door Hinge Panel, GZ
1 FA2105 R.H. Center Door Panel, GZ
1 BK2002 Bulk Pack, L.H. Door Side Panels
1 FA2103 Door Hinge Panel, GZ
1 FA2107 L.H. Center Door Panel, GZ
1 BK2003 Bulk Pack, R.H. Door Top/Bottom Panels
2 FA2104 R.H. Top/Bottom Door Panel, GZ
2 FA2110 1/2 Darkout Bracket, 36”L., GZ
1 BK2004 Bulk Pack, L.H. Door Top/Bottom Panels
2 FA2106 L.H. Top/Bottom Door Panel, GZ
2 FA2111 1/2 Darkout Bracket, 48”L., GZ
1 BK2005 Bulk Pack, R.H. Door Corners/Hardware
1 FA2124 R.H. Center Top Corner Bracket, GZ
1 FA2125 R.H. Center Bottom Corner Bracket, GZ
2 FA2123 Top/Bottom Hinge Panel Corner Bracket, GZ
2 FA2120 [H] Lift-Off Style, Leaf Hinge, CTD-STEEL, BK
2 FA2121 [J] Lift-Off Style Hinge Pin, CTD-STEEL, BK
22’ KA7101 Brush Seal, 0.31”W. x 0.75”H. BLK, PVC
1 HP1188 Hardware Package One Door
1 HP1189 Hardware Package TEK Screws One Door
1 BK2006 Bulk Pack, L.H. Door Corners/Hardware
1 FA2126 L.H. Center Top Corner Bracket, GZ
1 FA2127 L.H. Center Bottom Corner Bracket, GZ
2 FA2119 Top/Bottom Hinge Panel Corner Bracket, GZ
2 FA2120 [H] Lift-Off Style, Leaf Hinge, CTD-STEEL, BK
2 FA2121 [J] Lift-Off Style Hinge Pin, CTD-STEEL, BK
22’ KA7101 Brush Seal, 0.31”W. x 0.75”H. BLK, PVC
1 HP1188 Hardware Package One Door
1 HP1189 Hardware Package TEK Screws One Door
1 BK2007 Bulk Pack, Darkout, Rods & Gap Cover
1 FA2114 Light Gap Cover, Darkout, GZ
1 FA2147 Light Gap Cover Bracket, GZ
2 FA2141 J-Hook Rod, 2 Ends, 0.25”D, 71”L, STL
2 FA2142 J-Hook Rod, 2 Ends, 0.25”D, 66”L, STL
2 FA2130 Reinforcing Plate, LTX Housing, 60”L., CTD-GZ
Continued on next page

5 Munters Corporation, November 2023 QM1410r0
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[M]
[N] .
[P]
Unpacking the EquipmentChapter 1
[H]
[J]
[K]
[L]
Parts List (continued)
HP1188 - Hardware Package One Door
ID Qty Cat. No. Description
[A] 11 KS2467 ¼ ” x 3½ ” HX Lag Screw, ZP
[B] 2 KS2463 1⁄4” x 1½ ” HX Lag Screw, ZP
[C] 19 KW3001 1⁄4” Type-A Narrow, Flat Washer, ZP
[E] 9 KS1151 1⁄4”-20 x ¾ ” SRTD HX Flange Bolt, ZP
[F] 6 KS1154 1⁄4”-20 x 1½ ” SRTD HX Flange Bolt, ZP
[G] 15 KN0730 ¼ ”-20 Serrated Hex Flange Nut, ZP
[K] 1 KX1350 Spring Latch, ZP
[L] 1 KX1351 Spring Latch Catch, GZ
[M] 2 KX1062 Grease Fitting, ¼ ”-28 UNF; ³³⁄₆₄”H, ZP
[N] 2 KS2751 ⁵⁄₁₆”-18 x 4”L., Closed Eye Bolt, SS
[P] 2 KN1004 ⁵⁄₁₆”-18 Hex Nut, SS
HP1189 - Hardware Package TEK Screws One Door
[D] 100 KS2254 ¼ ” x ¾ ” HXWSHR TEK Screw, ZP

© Munters Corporation, November 2023
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Unpacking the EquipmentChapter 1
1.2 LTX Housing Dimensions
FRONT VIEWSIDE VIEW
Wall Opening - 75¼”H.
93”
Wall Opening - 89¾”W.
24½”
Fan Opening - W
78½”
LTX Housing Number For Fan Fan Opening
36LTX VX36 43”W 43”H
51LTX VX51 561⁄2”W 573⁄4”H
55LTX VX55 60”W 611⁄4”H
Fan Opening - H
1.3 LTX Housing and Fan Depth
74⅜”
24½”
77⅞”
24½”
82¼”
24½”
VX51VX36 VX55

7© Munters Corporation, November 2023 QM1410r0
Installation Instructions 2.
2.1 LTX Housing Installation
Figure 1
Framing
75¼"H.
89¾”W.
Step 1
Construct the framed opening of 89¾”W. x 75¼”H.. See Figure 1.

© Munters Corporation, November 2023
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Figure 2A
OUTSIDEINSIDE
Framing
¼” x 3½" Lag Screws [A]
Step 2
Insert LTX Housing into the framed opening from the inside. While Box sits on bottom framing, fasten top of
Box with (5) Lag Screws [A] and Washers [C]. Next, fasten bottom of Box using (5) Lag Screws [A] and
Washers [C], then both sides using (4) Lag Screws [A] and Washers [C] in the center 2 holes in each side
flange. See Figure 2A and 2B .Install flashing around opening tight to LTX Housing and caulk around Box
to seal.
LTX Housing
Washer [C]
Figure 2B
Framing
¼” x 3½" Lag Screws [A]
LTX Housing
Washer [C]
Installation InstructionsChapter 2

9 Munters Corporation, November 2023 QM1410r0
Installation InstructionsChapter 2
Step 3
Snap a vertical chalk line on each side flange of the LTX Housing, ¾ ” from the outside edge of flange.
Then drill (4) ⁹⁄₃₂” holes in the flange, making sure to only drill ¼ ” into the framing. All holes should be
positioned on the chalk like and measured vertically from the inside bottom of the housing. The 1st hole
(bottom hole) should be ½ ” up, 2nd hole 5” up, 3rd hole 68” up, and 4th hole 72½ ” up. See Figure 3.
Figure 3
72½ "
¾ ”
¾ ”
5”
68”

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Installation InstructionsChapter 2
Step 4
Attach 4 Lift-Off Style Hinge Pin Brackets [J] to the flange of the LTX Housing mounting holes drilled in the
previous step, using (2) Lag Screws [A] and Washers [C]. See Figure 4. Make sure the Pin is facing up.
Figure 4
Hinge Pin
Bracket
¼” x 3½" Lag Screw [A]
1 of 4 Pair of Holes in
LTX Housing Flange,
drilled in previous step
Washer [C]

11© Munters Corporation, November 2023 QM1410r0
Step 5
Install the proper fan into the LTX Housing and secure in place using (12) Bolts [F], (24) Washers [C]
and (12) Flange Nuts [G]. On the outside of the LTX Housing, a Reinforcing Plate [FA2130] will run
vertically along each side of the opening for the fan. The bolt head should be on the fan flange in the
housing and the nut should be on the outside of the LTX Housing. See Figure 5.
Figure 5
Bolt [F]
Flange Nut [G]
Washer [C]
Installation InstructionsChapter 2
2.2 Fan Installation
Reinforcing Plate [FA2130]

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Step 6
Complete the installation of the fan installed in the previous step by following the appropriate installation
manual for the fan and making electrical connections, installing cone and shutter. Make sure nothing runs
across or is mounted in the shaded area shown the figure below. See Figure 6 .
Figure 6
Installation InstructionsChapter 2

13© Munters Corporation, November 2023 QM1410r0
Figure 7
Top/Bottom Corner
Bracket [FA2119]
2.3 L.H. Door (48”) Assembly
TEK Screw [D]
Installation InstructionsChapter 2
Step 7
Start assembly of the L.H. LTX Door, by securing (2) Top/Bottom Corner Brackets [FA2119] to (1) LTX Door
Hinge Panel [FA2103] and (2) L.H. Top/Bottom LTX Door Panel [FA2106] using (40) TEK Screws [D].
See Figure 7.
LTX Door Hinge Panel
[FA2103]
L.H. Top/Bottom
LTX Door Panel
[FA2106]
LTX Door Hinge Panel [FA2103]
LTX Door Hinge Panel [FA2103]
TEK Screw [D]
L.H. Top/Bottom LTX
Door Panel [FA2106]
Top/Bottom Corner
Bracket [FA2119]

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Installation InstructionsChapter 2
Step 8
If you will be installing Full Depth Light Trap into the door then proceed to Step 9. If installing Half Depth Light
Trap, proceed with this step. Attach a 48”L. 1/2 Darkout Bracket [FA2111] to the Top and Bottom Door Panels
using (4) TEK Screws [D] per bracket. See Figure 8 . The flat edge of the baracket should be facing the inlet
side of the door.
Figure 8
TEK Screw [D]
1/2 Darkout Bracket [FA2111]

15© Munters Corporation, November 2023 QM1410r0
Installation InstructionsChapter 2
Step 9
Attach (1) Leaf Hinge [FA2120] to Top Corner Cap and one to the Bottom Corner Cap assembled in the
previous step using (4) Bolts [E] and Nuts [G]. See Figure 9 .
Figure 9
Nut [G]
LTX Door Leaf Hinge [FA2120]
Bolt [E]

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Installation InstructionsChapter 2
Step 10
Attach L.H. Center Top Corner Bracket [FA2126] and L.H. Center Bottom Corner Bracket FA2127] to the
L.H. Center Panel [FA2107] using (14) TEK Screws [D]. Secure Spring Latch [K] to front of Bottom Corner
Bracket using (3) TEK Screws [D] so that the Spring Latch will be on the same side of the of the door as the
Leaf Hinge. Also attach the Light Gap Cover Plate [FA2114] on the side opposite the Spring Latch using
(6) TEK Screws [D]. See Figure 10 .
Figure 10
L.H. Center Top
Corner Bracket
[FA2126]
TEK Screw [D]
Light Gap Cover
Plate [FA2114]
L.H. Center Door
Panel [FA2107]
Spring Latch [K]
TEK Screw [D]
Light Gap Cover
Plate [FA2114]

17© Munters Corporation, November 2023 QM1410r0
Installation InstructionsChapter 2
Step 11
Slide 4 pieces of the Light Trap into the LH Door Assembly. See Figure 11A . When installing the 2nd, 3rd and
4th pieces of Light Trap make sure the Stand-off on one piece of Light Trap rests against the dimple in the other
piece and does not nest into the back of the other Stand-off. See Figure 11B.
Figure 11B
LH Door Assembly
Light Trap material
Stand-off
Stand-off goes here
Figure 11A
DO NOT
nest here
DO NOT
nest here
Stand-off
goes here

© Munters Corporation, November 2023
18 QM1410r0
Installation InstructionsChapter 2
Step 12
Place the Assembly from the previous step over the L.H. Door to hold the Light Trap in place, so that the Spring
Latch is at the bottom on the same side as the Leaf Hinge and fasten in place using (10) TEK Screws [D] in the
Top Corner Bracket and (10) TEK Screws [D] in the Bottom Corner Bracket. See Figure 12 .
Figure 12
L.H. Center Top Corner
Bracket [FA2126]
TEK Screw [D]
L.H. Center Bottom Corner
Bracket [FA2127]
TEK Screw [D]

19© Munters Corporation, November 2023 QM1410r0
Installation InstructionsChapter 2
Step 13
Thread (1) Hex Nut [P] onto Closed Eye Bolt [N] most of the way up the threads, then insert the treaded end of
the Eye Bolt through the hole in the Center Bottom Corner Bracket and thread 2nd Hex Nut [P] on Eye Bolt 1”.
Hook the end of the 71”L. J-Hook Rod through the slot in Top Corner Bracket and hook the other end of the Rod
on the Closed Eye Bolt and adjust the bottom Hex Nut until the Rod is taut. Repeat for the opposite side of the
door. See Figure 13 . Adjust both lower Hex Nuts so door is square, Then thread the upper nut down to the
Bottom Corner Bracket.
Figure 13
71”L. J-Hook Rod
[FA2141]
Closed Eye Bolt [N]
Slot in Top/Bottom
Corner Bracket
[FA2119]
71”L. J-Hook Rod
[FA2141]
Hole in L.H. Center Bottom
Corner Bracket [FA2127]
Nut [P]
L.H. Center Bottom Corner Bracket [FA2127]

© Munters Corporation, November 2023
20 QM1410r0
Installation InstructionsChapter 2
Step 14
Clean a 1” strip of the galvanized panels and corner brackets on all 4 sides, along the edge of the door
opposite the Leaf Hinge and Spring Latch. Cut the roll of Brush Seal into 4 pieces, (2) at 50”L. and (2) at
72½”L., then peal the backing off of the Brush Seal and carefully stick them to the 4 sides of the door where
they were cleaned. See Figure 14 .
Figure 14
Brush Seal
Area to be cleaned
Brush Seal
Area to be cleaned