Chromalox PF451-3 - Manual
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Table of Contents:
- Page 2 – IMPORTANT; WARNING”; notes therein may result in serious per-; INSTALLATION; Brackets, hangers, or chains to support the heater are
- Page 3 – MAINTENANCE; Hazard of Shock. Disconnect all power; WIRING DIAGRAMS; Figure 3
- Page 4 – MANUFACTURER PART NUMBER BREAKDOWN; RENEWAL PARTS IDENTIFICATION; Common Parts; Elements and Motor; Motor Fusing
DIVISION
4
SECTION
VUH
SALES
REFERENCE
DATE
SERVICE REFERENCE
PF451-3
161-057823-001
JULY, 2002
Installation, Operation
and
RENEWAL PARTS IDENTIFICATION
(Supersedes PF451-2)
© 2010 Chromalox
®
, Inc.
Type VUH Vertical Unit Heater
Heating Capacity
Volts
Air Delivery
Max.
Dimensions (In.)
Mtg.
Model
1
3
Outlet
Mtg.
Weight
kW
BTUH
Phase Phase
CFM
FPM
Temp. ˚F*
Height
A
B
C
D
E
F
H
M
(Lbs.)
(Ft.)
208
VUH-C-15
15
51,000
—
240
1300
1600
93
25
14
13-1/2
26
4-5/8
8-3/8
6
7-1/4
12-5/8
85
480
19.5
208
VUH-C-20
68,000
—
1300
1600
104
23
14
13-1/2
26
4-5/8
8-3/8
6
7-1/4
12-5/8
85
20
480
VUH-C-25
25
85,000
—
480
1300
1600
115
20
14
13-1/2
26
4-5/8
8-3/8
6
7-1/4
12-5/8
85
Specifications — Table 1
* Based on 60˚F entering air.
** For instructions on VUH units rated 5-10 kW refer to Bulletin PF450; VUH units rated 30-50 refer to Bulletin PF452.
A
B
C
4-11/16" Dia.
Mounting
Holes
Note:
Knockout Location
See Table 2
For Recommended
Conduit Size.
Figure 1
Figure 2
F
Approx.
H
D
E
12" Min.
48" Min.
M
7' Min.
To Floor
CL
Position With
Junction Box
Facing Away
From Walls
For Easy Access
Warm Air
Discharge
4-11/16" Dia.
Mounting Holes
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Summary
IMPORTANT Failure to understand and follow these installation instructionsand the “ WARNING” notes therein may result in serious per- sonal injury from electrical shock, or from the heater falling dueto faulty installation. WARNING: This heater is not recommended for use in hazardous atmospheres whe...
MAINTENANCE WARNING: Hazard of Shock. Disconnect all power to heater before servicing or replacing heaters. Donot attempt to service heater while unit is operat-ing as there is hazard of electric shock, injuryfrom operating fan, and burns from hot heatingelements. 1. Before activating for next heati...
2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com MANUFACTURER PART NUMBER BREAKDOWN (LOCATED ON UNIT NAMEPLATE) Fuse Type Part No. KTK-3 128-047763-007 (2) RENEWAL PARTS IDENTIFICATION V Diagram Description Part No. Item No. 4 Fan 112-510499-001 5 Grille 134-130439-...
