Omega Products LUH-TK-1 User Manual
HEAVY DUTY WALL OR CEILING MOUNT
HORIZONTAL UNIT HEATER
LUH Series
Starts at
$
LUH-02-71-35,
$600, shown
smaller than
actual size.
600
⻬ 2.6 to 45 kW
⻬ 208, 240, 277, 480V
1 and 3 Phase
⻬ 8,900 to 153,600 BTU/Hr
⻬ Meets UL, NEC and
OSHA Requirements
⻬ No Venting Necessary
⻬ Built-In Power Controls
To Order
Model No. Price kW Volts Phase Amps3Volts Phase HP RPM CFM FPM (°F) (ft) (ft) lb
LUH-02-81-34 $600 2.6 208 1-1 13.1 208 1 1/50 1000 310 700 27 12 8 32
LUH-02-21-34 600 2.0/2.6 208/240 1-1 11.4
LUH-02-71-35 600 2.6 277 1-1 9.6 277 1 1/50 1000 310 700 27 12 8 32
LUH-04-81-34 625 4 208 1-1 19.8 208 1 1/50 1000 310 700 42 12 8 32
LUH-04-83-34 625 4 208 1-3211.71208 1 1/50 1000 310 700 42 12 8 32
LUH-04-21-34 625 3/4 208/240 1-1 17.2
LUH-04-23-34 625 3/4 208/240 1-3
LUH-04-71-35 625 4 277 1-1 14.6 277 1 1/50 1000 310 700 42 12 8 32
LUH-04-43-32 775 4 480 1-3 5.1 480 1 1/50 1000 310 700 42 12 8 32
LUH-05-81-34 825 5 208 1-1 24.6 208 1 1/50 1050 420 950 42 18 8 32
LUH-05-83-34 825 5 208 1-3214.5 208 1 1/50 1050 420 950 42 18 8 32
LUH-05-21-34 825 3.75/5 208/240 1-1 21.4 240 1 1/50 1050 420 950 42 18 8 32
LUH-05-23-34 825 3.75/5 208/240 1-3
LUH-05-71-35 825 5 277 1-1 18.3 277 1 1/50 1050 420 950 42 18 8 32
LUH-05-43-32 975 5 480 1-3 6.3 480 1 1/50 1050 420 950 42 18 8 32
LUH-07-81-34 975 7.5 208 1-1
LUH-07-83-34 975 7.5 208 1-3 21.3 208 1 1/10 1550 670 850 40 20 8 50
LUH-07-21-34 975 5.6/7.5 208/240 1-1
LUH-07-71-35 975 7.5 277 1-3 27.7 277 1 1/10 1550 670 850 40 20 8 50
LUH-07-43-32 1100 7.5 480 1-3 9.9 480 3 1/10 1550 670 850 40 20 8 50
LUH-10-81-34 1050 9.7 208 1-1
LUH-10-83-34 1050 9.7 208 1-3 27.4 208 1 1/10 1550 750 950 47 27 9 50
LUH-10-21-34 1050 7.5/10 208/240 1-1
LUH-10-23-34 1050 7.5/10 208/240 1-3 24.5
LUH-10-43-32 1150 10 480 1-3 12.9 480 3 1/10 1550 750 950 47 27 9 50
LUH-12-83-34 1250 12.5 208 1-3 35.2 208 1 1/10 1550 750 950 55 27 9 50
LUH-12-23-34 1250 9.3/12.5 208/240 1-3 30.6 240 1 1/10 1550 750 950 55 27 9 50
LUH-12-43-32 1400 12.5 480 1-3 15.9 480 3 1/10 1550 750 950 55 27 9 50
LUH-15-83-34 1700 15 208 1-3 42.1 208 1 1/10 1550 750 950 61 27 10 50
LUH-15-23-34 1700 11.25/15 208/240 1-3 36.61240 1 1/10 1550 750 950 61 27 10 50
LUH-15-43-32 1850 15 480 1-3 19.0 480 3 1/10 1550 750 950 61 27 10 50
LUH-20-23-34 2150 14.5/19.4 208/240 1-3 48.0
LUH-20-43-32 2150 20 480 1-3 25.0 480 3 1/10 1550 1240 1160 53 31 11 73
LUH-25-43-32 2600 25 480 1-3 31.0 480 3 1/10 1550 1350 1260 60 31 12 73
LUH-30-23-34 3250 22.5/30 208/240 2-3 74.0
LUH-30-43-32 3350 30 480 2-3 37.1 480 3 1/3 1725 1555 1450 64 46 13 106
LUH-35-23-34 2884 26.25/35 208/240 2-3 86.0
LUH-35-43-32 3900 35 480 2-3 43.1 480 3 1/3 1725 1555 1450 71 45 14 106
LUH-40-23-34 3900 28.5/38 208/240 2-3 93.3 240 3 1/3 1725 1555 1450 84 44 15 106
LUH-45-43-32 4400 45 480 2-3 55.1 480 3 1/3 1725 1555 1450 94 42 17 106
Ordering Examples: LUH-07-83-34, 7.5 kW, 208V heater, $975.
LUH-02-81-34, 2.6 kW, 208V heater, $600.
1. 208V amperage is 86% of 240V value 3. Includes motor amps
2. Models can be wired for 1 or 3 phase 4. Maximum mounting height for effective heat distribution, minimum height is 7 feet
(Specify Model Number)
Electrical (60 Hz) Motor Air Delivery
CAUTION AND
WARNING!
Fire and electrical shock
may result if products are
used improperly or
installed or used by
non-qualified personnel.
See inside back cover for
additional warnings.
MOST POPULAR MODELS HIGHLIGHTED!
Ckt Temp Horz Mtg
and Rise Throw Height Wt
1
240 1 1/50 1000 310 700 27 12 8 32
1
2
10.2 240 1 1/50 1000 310 700 42 12 8 32
2
12.6 240 1 1/50 1050 420 950 42 18 8 32
2
36.5 208 1 1/10 1550 670 850 40 20 8 50
2
31.71240 1 1/10 1550 670 850 40 20 8 50
2
47.1 208 1 1/10 1550 750 950 47 27 9 50
2
42.11240 1 1/10 1550 750 950 47 27 9 50
240 1 1/50 1000 310 700 42 12 8 32
1
240 1 1/10 1550 750 950 47 27 9 50
1
240 3 1/10 1550 1240 1160 53 31 11 73
1
240 3 1/3 1725 1555 1450 64 46 13 106
1
240 3 1/3 1725 1555 1450 71 45 14 106
L-3
4
R
S
P
Q
T
4-13/32" dia.
mounting holes
for fastening to
wall fasteners
by customer
Stop for
limiting
rotation.
Swivel bolt permits
heater to be rotated to
face desired direction.
Four bolts are
provided for field
attachment of
swivel bracket to
welded fasteners on
top of unit.
F
J
I
G
H
Welded fasteners (4)
for threaded rod (by
others) mounting to
overhead steel.
6"
min
to
wall
Wall
Line
K
A
E
B
C
D
Min. distance
to
Wall
with
ceiling mount
6"
Note: Heater must be mounted at least 7' above floor.
Ceiling Mount with Threaded Rod
Ceiling Mounted
V
(1) 11/16" dia.
swivel mounting
hole
U
A
N
W
M
INSTALLATION ACCESSORIES AND
THERMOSTAT KITS FOR LUH SERIES
Mounting Configurations for LUH Series
Ceiling mounted
Ceiling mounted with threaded rod
MOUNTING LIMITATION
Hazardous atmosphere—Unit
heaters should not be used in
potentially explosive atmospheres.
Corrosive atmosphere—The finish
is not intended for direct salt spray
exposure in marine applications or
the highly corrosive atmospheres of
greenhouses, swimming pools,
chemical storage bins, etc.
Mounting height— Do not install
unit heaters above recommended
maximum mounting height.
Obstructions— must not block unit
heater air inlet or discharge.
Dimensions: cm (in)
Model No. ABCDFasteners EFGHIJK
LUH-02 thru -05
LUH-07,10,12,15
LUH-02 thru -05
LUH-02 thru -05
41 33 23 29 26 25 13 10 12 11 17
(16) (13
52 44 29 38 26 25 13 10 12 11 22
1
⁄
(20
2) (17
61 51 29 45 26 25 13 10 12 11 25
(24) (20
61 51 44 61 26 25 13 10 12 11 25
(24) (20
1
⁄
8) (8
1
⁄4) (11
1
⁄
8) (11
1
⁄
8) (17
Wall mount with wall mounting bracket
Thermostat Kits (Field-Installed)
To Order
(Specify Model Number)
AVAILABLE FOR FAST DELIVERY!
Model No. Price Type Use With*
LUH-TK-2 $96 DPST LUH-02 thru LUH-05 (without contactor)
LUH-TK-1 80 SPST LUH-02 thru LUH-25 (with contactor)
All LUH heaters have contactor except LUH-02, LUH-04 and LUH-05 (single phase).
*
Contactors are optional on these models. Temperature range: 40°F to 90°F, differential: 5°F.
Wall Mount Mounting Brackets
Dimensions: cm (in)
Model No. Price Use With PQRST
9
WUH-01A $72 LUH-02 thru -05 9 (3
WUH-02 95 LUH-07 thru -25 11 (4
⁄
16) 52 (20
3
⁄
16) 79 (31) 24 (9
WUH-03 158 LUH-30 thru -45 18 (7) 72 (28
5
⁄
8) 17 (6
1
⁄
2 ) 13 (5) — 83 (32
3
⁄
4 ) 10 (4) 37 (14
1
⁄
2) 18 (7) 50 (19
Ceiling Mount Mounting Brackets
Dimensions: cm (in)
Model No. Price Use With MUV
1
WUH-04A $54 LUH-02 thru -05 15 (6) 10 (4) 11 (4
WUH-05 57 LUH-07 thru -25 20 (8) 15 (6) 18 (7
3
WUH-06 92 LUH-30 thru -45 35 (13
⁄
4) 15 (6) 18 (7
⁄
1
⁄
1
⁄
Welded
5
7
⁄
8) (11
1
⁄
2) (15)
1
⁄
2) (17
1
⁄
4) (24)
1
⁄
4)
3
⁄
4)
⁄16-18
5
⁄16-18
5
⁄16-18
5
⁄16-18
1
⁄
4) (9
(10
1
⁄
4) (9
(10
1
⁄
4) (9
(10
1
⁄
4) (9
(10
3
⁄
4) (5) (4
3
⁄
4) (5) (4
3
⁄
4) (5) (4
3
⁄
4) (5) (4
1
⁄
16) (4
1
⁄
16) (4
1
⁄
16) (4
1
⁄
16) (4
5
⁄
8) (4
5
⁄
8) (4
5
⁄
8) (4
5
⁄
8) (4
1
⁄
2) (6
1
⁄
2) (8
1
⁄
2) (10)
1
⁄
2) (10)
L-4
L
1
⁄
2)
5
⁄
8)
9
⁄
16)
4)
4)
4)
5
⁄
8)
5
⁄
8)
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