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DIVISION
4
SECTION
UB
SALES
REFERENCE
DATE
SERVICE REFERENCE
Installation, Operation
and
RENEWAL PARTS IDENTIFICATION
PF417-14
161-048445-001
July, 2002
(Supersedes PF417-13)
MOUNTING
© 2010 Chromalox
®
, Inc.
WARNING:
Hazard of Electric Shock. Disconnect all
power before installing heater.
Note: These heaters are designed for wall or ceiling mounting
only. Other modes of mounting voids factory warranty.
1. Height above floor
A.In areas where ceiling height is more than 12 feet, recom-
mended mounting height is approximately 10 feet to under-
side of heater.
B. For ceiling heights of 12 feet or less, maximum mounting
height is determined by use of ceiling mounting brackets
offered for these heaters. Minimum spacing to ceiling is 3”
(see Figure 2).
C.In either case, minimum mounting height is 7 feet from
floor to bottom of heater (see Figures 1 and 2).
2. Spacing to adjacent walls
A.Rear of case to back wall 4-7/8” minimum (see Figure 2).
B. Side of case to side wall 6” minimum (see Figure 2).
3. If two or more units are operated in the same enclosed space,
their discharges should be directed to aid in development of
mass air movement for uniform heat dispersal.
4. Controlling thermostats to individual heaters should be
mounted at shoulder height on inside walls or columns.
‡ Models with suffix “T” added (480 volts only) are equipped with a transformer, 480 volt primary — 120/240 volt secondary.
‡ Models with suffix “R” added are equipped with a relay (Example: UB-1002E-R 240 volt or 480 volt — 3 phase only).
Horizontal
Model
‡
Volts and Phase kW Air
Discharge
UB-1002E 208 - 240 - 480 (1 or 3) 10 40’
UB-1252E 208 (3) - 240 (3) - 480 (1 or 3) 12.5 40’
UB-1502E 208 (3) - 240 (1 or 3) - 480 (1 or 3) 15 45’
UB-2002E 240 (1 or 3) 19.9 45’
UB-2002E 208 (3) - 480 (1 or 3) 20 45’
Specifications —
Dimensions —
Rubber Feet Provided for
Wall Mount Model Only.
7/8” and 1-23/32”
Dia. Holes in Rear
13-3/4”
17-1/8”
20-3/4”
11-3/4”
9-5/16”
For Lower Height
from Ceiling:
Customer to Add
Extention Strap
12-1/4”
8”
6”
7’-0” Min.
Height Above
Floor
Figure 1
Mounting UB using
Ceiling Mounting
Brackets*
Ceiling Line
Wall
Back
Wall
6” Min. Spacing to
Adjacent Wall
3”
4-7/8”
Min.
11-3/4”
17-11/16”
7’-0” Min. Height
Above Floor
Mounting
Holes Center
10”
8”
Figure 2
Mounting UB using Wall
Mounting Brackets*
*Wall and/or Ceiling Mounting Brackets are
available as an accessory option — Contact
your local sales representative.
Type UB-1002E, UB-1252E, UB-1502E, UB-2002E
Forced-Air Heaters