11
Product Specifications & Standard Washdown Models
Remote Rain-Tight Thermostat
Enclosure
and
Motor:
Element housing shall be 16
gauge 304 or 316 stainless
steel shroud. The outlet grill
and louver assembly shall
be 304/316 stainless steel
and rotate for direction of
discharge air. The heater shall
have a 304/316 stainless steel
inlet grill and fan guard. The
motor shall be totally enclosed,
permanently lubricated and
designed to resist moisture
and corrosion. The fan blade
shall be aluminum with a
powder coated epoxy finish.
Element:
The heating
element shall be 304 or 316
stainless steel tube with
304/316 stainless steel fin
material helically attached to
the tube for even heat transfer.
The element designed with
the highest quality nickel-
chromium resistance wire
embedded in compacted
efficient dielectric to ensure
proper heat transfer.
Control Panel:
The control
enclosure shall be non-metallic
Nema 4X control panel water-
tight and dust- tight. The
enclosure and elements are
attached to the control panel
with stainless steel fasteners.
Standard control components
are factory mounted and wired
with access through control
panel door on bottom of heater
assembly. A standard door
interlock disconnect switch
shall be factory mounted and
wired for safety.
Controls:
All controls shall
be factory mounted and
wired in Nema 4X panel.
Terminal block, 24 Volt
transformer, high temperature
limits, contactor and fusing if
required by NEC are mounted
and wired in control panel. A
three-position switch (Off-
Heat-Fan) shall be mounted
on side of control panel for
access from outside of panel.
A pilot light to indicate
power is on for safety shall
be located on side of control
panel. A wall mounted Nema
4X thermostat is an optional
accessory.
Mounting Bracket:
A
formed 304/316 stainless steel
bracket shall be used on 3.3
thru 15 KW units. A cast iron
epoxy painted bracket shall
be used on 20 thru 48 KW
units. Above brackets shall be
combination wall/ceiling type.
Optional mounting brackets
are available.
Note: NEMA 4X Construction Stainless Steel Hardware
Note: Products listed in this section are custom built and subject to 100% cancellation/restock charges.
UPC#
686334 MODEL
DESCRIPTION
523424 TW155A
1 POLE, 40-110 deg F, 22Amp
523431 TW255A
2 POLE, 40-110 deg F, 22Amp
WD Series Washdown Fan Forced Unit Heater
UPC#
686334 MODEL KW BTU’s VOLTS PH AMPS CONTROL
VOLTAGE
TEMP
RISE °F
AIR
THROW CFM WT.
(LBS.)
713047 81WD3T01
3.3 11200
208 1 15.9
24
26
20’
400 58
713054 82WD3T01
208 3
9.2
713061 21WD3T01
240 1 13.7
713078 22WD3T01
240 3
7.9
713085 71WD3T01
277 1
11.9
713092 43WD3T01
480 3
4
713115 81WD5T01
5 17100
208 1 24.1
40
713122 82WD5T01
208 3 13.9
713139 21WD5T01
240 1 20.8
713146 22WD5T01
240 3 12.1
713153 71WD5T01
277 1 18.1
713160 43WD5T01
480 3
6.1
713184 81WD7T01
7.5 25600
208 1 36.1
60
713191 82WD7T01
208 3 20.8
713207 21WD7T01
240 1 31.3
713214 22WD7T01
240 3 13.1
713221 71WD7T01
277 1 27.1
713238 43WD7T01
480 3
9.1
713252 81WD10T01
10 34130
208 1 47.8
45
28’
700 64
713269 82WD10T01
208 3 27.7
713276 21WD10T01
240 1 41.2
713283 22WD10T01
240 3 24.1
713290 71WD10T01
277 1 36.1
713306 43WD10T01
480 3 12.1
713399 81WD15T01
15 51200
208 1 72.1
68
713405 82WD15T01
208 3 41.7
713412 21WD15T01
240 1 62.5
713429 22WD15T01
240 3 36.1
713443 43WD15T01
480 3 18.1
713467 83WD20T01
20 68260
208 3 55.6
45
35’
1400 92
713474 23WD20T01
240 3 48.2
713481 43WD20T01
480 3 24.1
713504 83WD25T01
25 85325
208 3 69.5
56
713511 23WD25T01
240 3 60.2
713528 43WD25T01
480 3 30.1
713542 83WD30T01
30 102390
208 3 83.4
68
713559 23WD30T01
240 3 72.3
713566 43WD30T01
480 3 36.1
713603 43WD40T01 40 136520 480 3 48.2
70
42’
1800 126
713641 43WD48T01 48 163824 480 3 57.8
84
