SERVICE REFERENCE
Installation, Operation
DIVISION
SALES
4
SECTION UB
and
(Supersedes PF417-13)
REFERENCE
PF417-14
RENEWAL PARTS IDENTIFICATION
161-048445-001
DATE
July, 2002
Type UB-1002E, UB-1252E, UB-1502E, UB-2002E
Forced-Air Heaters
Dimensions —
Ceiling Line
17-1/8”
13-3/4”
6” Min. Spacing to
Adjacent Wall
Back
Wall
3”
For Lower Height
from Ceiling:
Customer to Add
Extention Strap
4-7/8”
Min.
Wall
20-3/4”
Mounting
Holes Center
8”
12-1/4”
6”
10”
8”
11-3/4”
7/8” and 1-23/32”
Dia. Holes in Rear
9-5/16”
Rubber Feet Provided for
Wall Mount Model Only.
17-11/16”
Figure 2
Mounting UB using Wall
Mounting Brackets*
7’-0” Min. Height
Above Floor
Figure 1
Mounting UB using
Ceiling Mounting
Brackets*
7’-0” Min.
Height Above
Floor
*Wall and/or Ceiling Mounting Brackets are
available as an accessory option — Contact
your local sales representative.
Specifications —
Horizontal
Air
Discharge
‡
Model
Volts and Phase
kW
UB-1002E
UB-1252E
UB-1502E
UB-2002E
UB-2002E
208 - 240 - 480 (1 or 3)
208 (3) - 240 (3) - 480 (1 or 3)
208 (3) - 240 (1 or 3) - 480 (1 or 3)
240 (1 or 3)
10
12.5
15
40’
40’
45’
45’
45’
19.9
20
208 (3) - 480 (1 or 3)
‡ 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).
MOUNTING
C.In either case, minimum mounting height is 7 feet from
WARNING: Hazard of Electric Shock. Disconnect all
floor to bottom of heater (see Figures 1 and 2).
2. Spacing to adjacent walls
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.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.
A.In areas where ceiling height is more than 12 feet, recom-
mended mounting height is approximately 10 feet to under-
side of heater.
4. Controlling thermostats to individual heaters should be
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).
mounted at shoulder height on inside walls or columns.
© 2010 Chromalox®, Inc.
WIRING DIAGRAMS
Figure 4
Use with:
UB-1002E-T
480V, 1Ø or 3Ø
Alternate 240V Wiring
1 or 3 Phase, 60 Cycle
Power Supply 480 Volts
X4
X1
X3
X2
}
Heater Bank
UB-1252E-T
480V, 1Ø or 3Ø
Integral 480V/240V
or 120V Transformer
1Ø Motor
Fused
120V Wiring
X2
Switch
X1
X3
X4
Contactor
Heater
Thermal
Cutout
UB-1502E-T
480V, 1Ø or 3Ø
H1
H2
Control
Switch Optional
Transformer
Fusing
UB-2002E-T
480V, 1Ø or 3Ø
Ground
This Wiring
by Customer
Wiring Comp't
Baffle
Thermostat
When Used
C1
T1
T2
F1
For 3 Phase Only
F2
L1
L2
L3
Figure 5
Use with:
UB-1002E-R
208V, 1Ø or 3Ø
240V, 1Ø or 3Ø
480V, 1Ø or 3Ø
Heater Bank
1 or 3 Phase, 60 Cycle Power
Supply 208, 240 or 480 Volts
1Ø Motor
}
Heater
UB-1252E-R
208V, 3Ø
240V, 3Ø
Control
Source 120 or
240 Volts, 60 Cycle
Fused
Switch
Integral
Cutout
480V, 1Ø or 3Ø
Cutout
UB-1502E-R
208V, 3Ø
240V, 3Ø
Fused
Control Switch
This Wiring
by Customer
Ground
Wiring Comp't
Baffle
Thermostat
When Used
480V, 1Ø or 3Ø
C1
C2
L1
L2
For 3 Phase Only
UB-2002E-R
480V, 1Ø or 3Ø
240V, 3Ø
L3
Figure 6
Use with:
UB-1002E-TR
480V, 1Ø or 3Ø
Alternate 240V Wiring
X4
Heater Bank
1 or 3 Phase, 60 Cycle Power
Supply 480 Volts
1Ø Motor
X1
X3
X2
}
Cutout
UB-1252E-TR
480V, 1Ø or 3Ø
Integral 480V/240V
or 120V Transformer
120V Wiring
Heater
X2
X1
X3
X4
UB-1502E-TR
480V, 1Ø or 3Ø
Fused
Switch
Integral
Cutout
H1
H2
UB-2002E-TR
480V, 1Ø or 3Ø
Control
Switch Optional
Thermostat
When Used
Ground
This Wiring
by Customers
Wiring Comp't
Baffle
T1
T2
C1
C2
L1
For 3 Phase Only
L2
L3
Transformer
Fusing
WIRING DIAGRAMS
Figure 7
Use with:
UB-1002E-R
208V, 1Ø or 3Ø
240V, 1Ø or 3Ø
Heater Bank
1 or 3 Phase, 60 Cycle
Power Supply 208 or 240 Volts
1Ø Motor
}
UB-1252E-R
208V, 3Ø
240V, 3Ø
Heater
Cutout
Integral
Contactor
Fused
Switch
UB-1502E-R
208V, 3Ø
240V, 3Ø
Thermostat
When Used
This Wiring
Ground
Wiring Comp't
Baffle
bny Customer
T1
T2
For 3 Phase Only
L1
L2
L3
RENEWAL PARTS IDENTIFICATION
1
3
4
8
2
MOTORS
208V
Heating
Element
Thermal
Cutout
Model
Volts Phase
Fan
Transformer
120V
240V
300-049200-002 1 (1)
300-049200-002 3 (1)
UB-1002E
UB-1002E
208
240
1 or 3
1 or 3
118-045311-001 (3)
118-045311-002 (3)
193-302120-009
193-302120-009
193-302120-009
—————
—————
112-045422-001
112-045422-001
112-045422-001
—————
—————
300-049200-002 1 (1)
300-049200-002 3 (1)
193-302120-009
300-049200-002 1 (1)
300-049200-002 1 (1)
UB-1002E*
UB-1252E
UB-1252E
480
208
240
1 or 3
3
118-045311-003 (3)
118-045311-004 (3)
118-045311-005 (3)
193-302120-009
193-302120-009
193-302120-009
—————
193-302120-009
—————
193-302120-009
—————
315-303675-001
—————
112-045422-001 300-049200-002 3 (1)
300-049200-002 1 (1)
112-045422-001
1 or 3
193-302120-009
—————
300-049200-002 3 (1)
300-049200-002 1 (1)
112-045422-001
UB-1252E*
UB-1502E
UB-1502E
480
208
240
1 or 3
3
118-045311-006 (3)
118-045307-001 (3)
118-045307-002 (3)
193-302120-009
193-302120-009
193-302120-009
—————
193-302120-009
—————
193-302120-009
—————
315-303675-001
—————
300-049200-002 3 (1)
112-045422-002 300-049200-006 3 (1)
300-049200-006 1 (1)
112-045422-002
1 or 3
193-302120-009
—————
300-049200-006 3 (1)
UB-1502E*
UB-2002E
480
208
1 or 3
3
118-045307-003 (3)
118-045307-004 (3)
193-302120-009
193-302120-009
—————
193-302120-009
—————
112-045422-002 300-049200-006 (1)
112-045422-002 300-049200-006 (1)
315-303675-001
—————
193-302120-009
300-049200-006 1 (1)
112-045422-002
UB-2002E
240
480
1 or 3
1 or 3
118-045307-009 (3)
118-045307-006 (3)
193-302120-009
193-302120-009
—————
—————
193-302120-009
193-302120-009
—————
300-049200-006 3 (1)
UB-2002E*
112-045422-002 300-049200-006 (1)
315-303675-001
Note: Part numbers suffixed by a number in ( ) indicates quantity of same part number used.
*Note: Fuse 3A 600V KTK-3 — 128-047763-007 (2)
Fuse BLK Barrier — 129-048475-001 (1)
Fuse Block — 129-048473-001 (2)
RENEWAL PARTS IDENTIFICATION
9 RELAYS
Model
Volts
Phase
kW
Motor
Relay
Model
Volts
Phase
kW
Motor
Relay
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1002E
UB-1252E
UB-1252E
UB-1252E
UB-1252E
UB-1252E
UB-1252E
UB-1252E
UB-1252E
208
208
208
208
240
240
240
240
480
480
480
480
208
208
240
240
480
480
480
480
1
1
3
3
1
1
3
3
1
1
3
3
3
3
3
3
1
1
3
3
10
10
120V
208V
120V
208V
120V
240V
120V
240V
120V
240V
120V
240V
120V
240V
120V
240V
120V
240V
120V
240V
072-303180-008
072-303180-014
072-303180-007
072-303180-013
072-303180-008
072-303180-014
072-303180-007
072-303180-013
072-303180-011
072-304551-015
072-303180-007
072-303180-013
072-303180-008
072-303180-014
072-303180-008
072-303180-014
072-303180-011
072-304551-015
072-303180-007
072-303180-013
UB-1502E
UB-1502E
UB-1502E
UB-1502E
UB-1502E
UB-1502E
UB-1502E
UB-1502E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
UB-2002E
208
208
240
240
480
480
480
480
208
208
240
240
240
240
480
480
480
480
3
3
3
3
1
1
3
3
3
3
1
1
3
3
1
1
3
3
15
15
120V
240V
120V
240V
120V
240V
120V
240V
120V
208V
120V
240V
120V
240V
120V
240V
120V
240V
072-303180-008
072-303180-014
072-303180-008
072-303180-014
072-303180-008
072-303180-014
072-303180-007
072-303180-013
——————
——————
——————
——————
072-303180-008
072-303180-014
072-303180-008
072-303180-014
072-303180-007
072-303180-013
10
15
10
15
10
15
10
15
10
15
10
15
10
20
10
20
10
19.9
19.9
19.9
19.9
20
10
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
20
20
20
PARTS COMMON TO ALL HEATERS
5 Wall Bracket Set . . . . . . . . . . . . . . . . . . . . . . .168-026844-003
6 Ceiling Mounting Support (Includes 7 ) . . . . .027-044419-003
7 Ceiling Suspension Brackets . . . . . . . . . . . . . .027-033363-001 (2)
10 Louver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182-047073-003
11 Grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134-119147-003
12 Motor Mounting Frame . . . . . . . . . . . . . . . . . .194-045314-001
Note: Part Numbers suffixed by a number in ( ) indicates quantity of same part number used.
Limited Warranty:
Please refer to the Chromalox limited warranty applicable to this product at
2150 N. RULON WHITE BLVD., OGDEN, UT 84404
Phone: 1-800-368-2493
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