Chromalox PF490-5 - Manual
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Table of Contents:
- Page 2 – WARNING; To reduce the risk of ignition of hazardous atmospheres:; GENERAL; The standard heater is designed to operate up to 7500
- Page 3 – INSTALLATION; Heater Location instructions:; Figure 3; Figure 2
- Page 4 – MOUNTING KITS; Figure 5; Wall Mount Kit; Unit Top View
- Page 5 – WIRING AND WIRING DIAGRAMS; it is; Air stream; Table B – Supply Wiring Requirements
- Page 6 – Transformer Color Code Tabulation; Transformer Color Code Tabulation
- Page 7 – The; MODEL NUMBER DESCRIPTION
- Page 8 – MAINTENANCE AND REPAIR; The occurrence of the manual reset limit control to trip is an; IV. ELECTRICAL COMPONENT SERVICING
- Page 9 – CONTROL TRANSFORMER; RENEWAL PARTS IDENTIFICATION
- Page 10 – Electrical Control Voltage; Contactor
- Page 11 – MANUFACTURER PART NUMBER BREAKDOWN; Description; Common Parts; Optional Equipment Parts
Chromalox
®
DIVISION
4
SECTION
CXH-A
SALES
REFERENCE
DATE
SERVICE REFERENCE
PF490-5
161-302421-004
JULY, 2004
Installation Instructions
and
RENEWAL PARTS IDENTIFICATION
(Supersedes PF490-4)
© 2010 Chromalox, Inc.
Forced Air Heater
for Hazardous Locations
Overall Dimensions
5/8” UNC Tapped
Horiz. Air
(In.)
Mounting Hole
Locations
Discharge
Wt.
Model
kW
Voltage and Phase
(Ft.)
BTUH
CFM
(Lbs.)
A
B
C
D
E
CXH-A-03
3
208/240V-1 or 3Ø
28
10,236
700
127
19-1/8
23-7/8
21
3-1/2
13-5/8
480/575V-3Ø
CXH-A-05
5
208/240V-1 or 3Ø
28
17,060
700
127
19-1/8
23-7/8
21
3-1/2
13-5/8
480/575V-3Ø
CXH-A-07
7.5
208/240V-1 or 3Ø
32
25,590
840
133
19-1/8
23-7/8
21
3-1/2
13-5/8
480/575V-3Ø
CXH-A-10
10
240V-1 or 3Ø
32
34,120
840
138
19-1/8
23-7/8
21
3-1/2
13-5/8
208/480/575V-3Ø
CXH-A-15
15
208/240/480V
47
51,180
1450
150
25
27-7/8
21
4-13/32
17-5/8
575V-3Ø
CXH-A-18
18
240V-3Ø
43
61,420
1400
165
25
27-7/8
21
4-13/32
17-5/8
CXH-A-20
20
480/575V-3Ø
43
68,240
1400
165
25
27-7/8
21
4-13/32
17-5/8
CXH-A-25
25
480/575V-3Ø
54
85,300
2330
200
32-1/8
31-7/8
21-3/4
5-1/2
21-5/8
CXH-A-30
30
480/575V-3Ø
54
102,360
2330
200
32-1/8
31-7/8
21-3/4
5-1/2
21-5/8
CXH-A-35
35
480/575V-3Ø
54
119,420
2330
200
32-1/8
31-7/8
21-3/4
5-1/2
21-5/8
CXH-A-03 EP to CXH-A-35 EP
Class I - Groups C & D, Div. 1 & 2
Class II - Groups E, F & G
T3B - 165˚C (329˚F)
Table A – Specifications
B
A
11-1/16
”
C
D
A
2
”
2
”
E
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Summary
WARNING Failure to understand and follow these installation instructions and the WARNING notes contained therein may result in severe personal injury, death or substantial property damage. 1. To reduce the risk of ignition of hazardous atmospheres: In accordance with the National Electrical Code, do...
3 The heaters may be mounted at any convenient height above floor. The minimum spacings shown in Figure 4 should be main-tained to adjacent walls and ceiling. If floor heat is desired, do notmount higher than 8 to 10 feet above floor. Controlling thermostats to individual heaters should be mounted a...
4 MOUNTING KITS Figure 5 Figure 7 Figure 9 Figure 6 Figure 10 Wall Mount Kit Model # WMB-12 12” Fan (3-10 kW)Model # WMB-16 16” Fan (15-20 kW)Model # WMB-20 20” Fan (25-35 kW) Pole or Wall Mount Kit Model # PMB-12 12” Fan (3-10 kW)Model # PMB-16 16” Fan (15-20 kW)Model # PMB-20 20” Fan (25-35 kW) Ce...
