Submittal
12
1
13 mm
4
3/8"
6 mm
1
/4
"
6 mm
1/4"
59 mm
2
5/16"
95 mm
3
3
/4
"
92 mm
3
5
/8
"
114 mm
4
1
/2
"
2
80 mm
11"
3
/4
" NPT
External
Thermostat
Connection
1
" NPT
M
ain
E
lectrical
E
ntry
2 x
Ø
9/16" (14 mm)
Mounting Holes,
2 Places
Louvres
3
6 mm
1
3
/8
"
max.
E
F
B
A
G max.
C
H
eater
S
ize
D
im.
Fan
A
B
C
D
E
F
G
(5 to 10kW)
in.
(mm)
12”
(
305)
7
.5
(190.5)
1
8.19
(
462)
16.3
(
414)
19
(
483)
19.45
(494)
3
.1
(79)
2
2.25
(565)
(15 to 20kW)
in.
(mm)
16”
(
406.4)
7
.5
(190.5)
2
2.28
(
566)
20.28
(
515)
23
(
584)
23.46
(596)
5
.1
(130)
2
2.25
(565)
(25 to 30kW)
in.
(mm)
20”
(
508)
7
.5
(190.5)
2
6.26
(
667)
24.29
(
617)
27
(
686)
27.44
(697)
7
.1
(180)
2
3.25
(591)
EXUB
E
xplosion Resistant
Unit Heater
S
ize 5710 15 20 25 30
k
W 5 7.5 10 15 20 25 30
cfm 400 600 800 1200 1700 2100 3000
Fan Motor HP 1/4 1/4 1/4 1/4 1/4 1/2 1/2
S
hipping Weight (lbs) 203 203 207 235 235 286 286
Supply
Volt/Phase
2
08/1 AK2
✓
✓
n
nnnn
208/3 AK5
✓✓✓✓
nnn
240/1 AK3E
✓✓✓
nnnn
2
40/3 AK6E
✓
✓✓✓
nnn
480/3 AK7E
✓✓✓✓✓✓✓
600/3 AK8E ✓
✓✓
✓
✓✓✓
Internal Thermostat IX34
✓✓✓✓✓✓✓
Control Voltage
120V Controls STD
✓✓✓✓✓✓✓
24V Controls BT1
✓✓✓✓✓✓✓
Factory Installed Disconnect Switch BAX1
✓✓✓✓✓✓✓
Size 5710 15 20 25 30
Factory Installed Options
Field Installed Options (Shipped Separately)
Size 5710 15 20 25 30
Mounting
Brackets
Pipe hanger brackets
(1/2” pipe not included)
CK25
✓✓✓✓✓✓✓
Wall mounting arm w/flange
(bolt or weld to steel or concrete)
CK26
✓✓✓✓✓✓✓
Wall mounting arm
with Z supports (block wall)
CK27
✓✓✓✓✓✓✓
Pole mounting arm (requires
3.5” OD pipe not included)
CK20
✓✓✓✓✓✓✓
Shipping
Weight (lbs)
CK25 5555555
CK26 17 17 17 19 19 20 20
CK27 24 24 24 26 26 27 27
CK20 24 24 24 26 26 27 27
Explosion-Proof Wall Thermostat (40-80 °F) CX1
✓✓✓✓✓✓✓
Explosion-Proof Wall Disconnect Switch CPX1
✓✓✓✓✓✓✓
CK27: Wall Mounting Bracket
For use in buildings that have substantial
walls. The Z sections provide additional
support where necessary.
CK26: Basic Mounting Bracket
For applications where the support
arm can be bolted or welded directly
to structural steel or concrete.
CK20: Pipe Mounting Bracket
For buildings with insufficient strength
to use other types of mounting brackets.
Requires 3 in. pipe (3.5 in. O.D., min.
Sch. 40, not supplied).
CK25: Hanging Mounting Bracket
Ideal and economical if adequate overhead
structure exists. Requires 1/2 in. pipe, cut
an threaded (min. Sch. 40 not supplied).