Chromalox UB 1502E User Manual

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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