Item Brochure

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3.3 KW THROUGH 15 KW UNIT HEATERS 20 KW THROUGH 48 KW UNIT HEATERS
UH Series Horizontal Fan Forced Unit Heater
NOTE: Louver assembly is square and mounted with screws. Louver can be removed
and repositioned for four (4) directional air ow - left - right - up - down with the heater
in the horizontal position.
3.3 KW THROUGH 48 KW HORIZONTAL DISCHARGE SUSPENDED FAN FORCED UNIT HEATERS
AVAILABLE IN 1 OR 3 PHASE FOR ALL STANDARD VOLTAGES FROM 208V TO 480V.
Product Dimensions & Model Number Designation
Figures 3 & 4 shown with standard mounting tabs for units over 20 KW. Optional UHB-3 and UHB-4 wall brackets are available. 3.3 KW
thru 15 KW units can be mounted using
1
⁄4” threaded rod. 20 KW thru 48 KW units can be mounted using
5
⁄16” threaded rod.
CONSTRUCTION:
Heavy gauge welded steel cabinet with powder coated nish and control compartment
with a hinged and latched access door, simplifying wiring installation & maintenance.
HEATING ELEMENT:
Circular copper clad steel sheath element with continuously brazed steel ns formed to
match the air delivery pattern of the fan blade.
OVERHEAT PROTECTION:
All units come equipped with automatic resetting type limit controls to de-energize the
heater should an over-temperature situation occur.
FAN and MOTOR:
Totally enclosed, single phase, permanently lubricated, thermally protected motors
with unit bearings on 3 KW - 10 KW models and sleeve bearings on 12.5 KW - 48
KW models - mounted with rubber insulators to minimize vibration and noise. Fan
assembly enclosed by a heavy gauge, close spaced, chrome plated wire guard.
LOUVER ASSEMBLY:
Louvers are individually adjustable for directional control of air ow and the entire
assembly can be repositioned in the eld from down ow to up ow or
left / right directional air ow.
TEMPERATURE CONTROLS:
20 KW through 48 KW units and all 480V have built in 24 Volt transformer for low
voltage remote thermostat application. 25 KW through 48 KW models available in
2-stage on special order (consult factory).
INSTALLATION:
Unit Heaters can be mounted with the motor shaft from horizontal to downward at 45°
off horizontal. Pre-drilled holes and installed threaded nuts provided to allow hanging
by threaded rods -
1
⁄4” for units up to 15 KW and
5
⁄16” for 20 KW units and larger.
Optional wall / ceiling mounting brackets are available for all units.
FACTORY INSTALLED OPTIONS:
• 24 Volt transformer on 3 KW to 15KW units to
convert from line voltage to low voltage remote
thermostat operation.
• Summer fan switch to operate the fan only.
• Fan delay switch to purge all residual heat from the
unit after the heating element has cycled off.
• Powder coated epoxy nish for corrosive atmospheres.
• Disconnect switch.
• Made in U.S.A.
Dimensions A B C
Figure 1:
3.3, 5, 7.5, 10 KW
20” 11” 13”
Figure 2:
12.5, 15 KW
22” 11” 15”
Figure 3:
20, 25, 30 KW
24” 17” 17”
Figure 4:
40, 48 KW
26” 23” 19”
MAXIMUM RECOMMENDED
MOUNTING HEIGHT
3 - 10 KW 9 FT.
12 - 15 KW 10 FT.
20 - 30 KW 13 FT.
40 - 48 KW 16 FT.
Factory & Field Installed Accessories
WARNING: This product can expose you
to chemicals including nickel which is known
to the State of California to cause cancer,
and chromium, which is known to the State
of California to cause birth defects and/or
reproductive harm. For more information go
to www.P65Warnings.ca.gov.
!
FIELD INSTALLED ACCESSORIES
MFG
CATALOG
NUMBER
MFG
MODEL
NUMBER
DESCRIPTION
LIST
06462302 DCS303 30 Amp Disconnect Kit: 0-24 Amps
295
06462402 DCS403 40 Amp Disconnect Kit: 24.1-32 Amps
347
06462502 DCS803 80 Amp Disconnect Kit: 32.1-64 Amps
455
06462602 DCS1003 100 Amp Disconnect Kit: 64.1-80 Amps
458
06879902 TUH1
25 Amp SPST Thermostat (40°F - 110
O
F)
90
06991002 UHB-1
wall / ceiling bracket
3.3 KW - 15 KW units
122
06991102 UHB-3
wall / ceiling bracket
20 KW - 30 KW units
138
06991202 UHB-4
wall / ceiling bracket
35 KW - 48 KW units
176
FACTORY INSTALLED OPTIONS
SUFFIX DESCRIPTION
LIST
CA1F
Heat purge fan delay switch includes 24V transformer
and contactor on 208-240-277 volt units
249
CA2F
Heat purge fan delay switch includes 120v transformer
and contactor on 208--240-277 volt units
249
F
Heat purge fan delay switch on 480v units CA1
low voltage transformer and contactor included
144
S Summer Fan Switch
71
CA1 24v Transformer (3.3 KW - 15 KW units) & Contactor
182
CA2 120v Transformer (3.3 KW - 15 KW units) & Contactor
182
E Epoxy Coating
137
T SPST Thermostat (40°F - 110°F)
84
D
30 Amp Disconnect Switch: 0-24 Amps
346
40 Amp Disconnect Switch: 24.1-32 Amps
398
80 Amp Disconnect Switch: 32.1-64 Amps
498
100 Amp Disconnect Switch: 64.1-80 Amps
610