Owner's manual

11
*** Please have model & serial number available before calling ***
— Parts List —
Item
No.
Description
12" fan size 16" fan size 20" fan size
5 & 7.5 kW 10 kW 15 & 20 kW 25, 30 & 35 kW
1 Core assembly ( with bus bars) Specify Voltage, phase, and kilowatts ( V-Ph-kW)
2 Bottom panel OHX1-12-2 OHX1-16-2 OHX1-20-2
3 Left side panel OHX1-12-3 OHX1-16-3 OHX1-20-3
4 Louver blades OHX1-12-4 OHX1-16-4 OHX1-20-4
5 Top panel OHX1-12-5 OHX1-16-5 OHX1-20-5
6 Right side panel OHX1-12-6 OHX1-16-6 OHX1-20-6
7 Fan panel OHX1-12-7 OHX1-16-7 OHX1-20-7
8 Fan blades
5.0 kW = OHX-12-050
7.5 kW = OHX-12-075
10.0 kW = OHX-12-100
15.0 kW = OHX-16-150
20.0 kW = OHX-16-200
25.0 kW = OHX-20-250
30.0 & 35.0 kW = OHX-20-300
9 Fan guard (2 pieces) OHX1-12-9 OHX1-16-9 OHX1-20-9
10 Motor, explosion-proof
115/208-230V, 1Ø, 60Hz = G639
208-230/460V, 3Ø, 60Hz = G646
575V, 3Ø, 60Hz = G664
208-230/460V, 3Ø, 60Hz = G649
575V, 3Ø, 60Hz = G666
11 Right side motor bracket OHX1-11
12 Motor base OHX1-12-12 OHX1-16-12 OHX1-20-12
13 Left side motor bracket OHX1-13
14 Expansion union, female OHX1-14
15 Conduit, expansion union to elbow OHX1-12-15 OHX1-16-15 OHX1-20-15
15A Reducing bushing OHX1-15A
16 Thermostat, ex-proof OHX-TM
16A Elbow, 90° OHX1-16A
17 Conduit, potted
OHX1-12-17 with thermostat
OHX1-12-17A without thermostat
OHX1-20-17 with thermostat
OHX1-20-17A without thermostat
18 Conduit, vertical OHX1-12-18 OHX1-16-18 OHX1-20-18
19 O-ring, element enclosure cover OHX1-19
20 Cover, element enclosure OHX1-20
21 Guard, element enclosure OHX1-21
22 Conduit, motor box to enclosure OHX1-12-22 OHX1-20-22
22A Union OHX1-22A
23 Box, motor outlet OHX1-23
23A Conduit, motor to motor box OHX1-12-23A OHX1-16-23A OHX1-20-23A
24 Enclosure, control OHX1-24
25 Contactor 120V = OHX1-25, 24V = OHX1-25A
26 Transformer 120V = OHX1-26, 24V = OHX1-26A
27 Bracket, Transformer ground OHX1-27
28 Grounding lug OHX1-28
29 Fuse 120V = 1/4 Amp (OHX1-29), 24V = 1 Amp (OHX1-29A)
30 Printed circuit board assembly 120V = OHX1-30, 24V = OHX1-30A
31 High limit, automatic reset OHX1-31 (also requires Part # OHX1-32)
32 Conductive cement, high limit OHX1-32
33 Bracket, transformer OHX1-33
34 O-ring, control enclosure cover OHX1-34
35 Cover, control enclosure OHX1-35
36 Plug, 3/4” NPT explosion-proof OHX1-36
37 Nut, bus bar OHX1-37
38 Bus bar, long straight OHX1-38
39 Bus bar, short straight OHX1-39
40 Bus bar, short curved OHX1-40
41 Bus bar, long curved OHX1-41
42 High limit, manual reset OHX1-42 (also requires Part # OHX1-32)
43 Handle, Disconnect OHX1-43
44 Switch, Disconnect 60A Non-Fused OHX1-44