Chromalox UB-1252E user manual

Summary of the content on the page No. 1

SERVICE REFERENCE
Installation, Operation
DIVISION 4 SECTION UB
and
SALES
(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
Back
3” Adjacent Wall
Wall
For Lower Height
4-7/8”
from Ceiling:
Min.
Customer to Add
Wall
20-3/4” Extention Strap
Mounting
Holes Center
8”
12-1/4”
6”
10”
11-3/4”

Summary of the content on the page No. 2

WIRING Note: All wiring should be done in accordance with local codes 3. Heaters are not provided with a control switch and should be and the National Electrical Code by a qualified person. controlled by a magnetic contactor (integral or external) and a separately mounted thermostat. External contactor is not nec- WARNING: Hazard of Electric Shock. Any installa- essary with heaters having a model number suffixed with the tion involving electric heaters must be effectively letter “R”. grounded in

Summary of the content on the page No. 3

WIRING DIAGRAMS Figure 4 Use with: UB-1002E-T 1 or 3 Phase, 60 Cycle Alternate 240V Wiring Power Supply 480 Volts X1 X3 X2 X4 480V, 1Ø or 3Ø } Heater Bank UB-1252E-T Integral 480V/240V Fused 1Ø Motor 120V Wiring 480V, 1Ø or 3Ø or 120V Transformer Switch X2 X1 X3 X4 Contactor Heater Thermal UB-1502E-T Cutout 480V, 1Ø or 3Ø H1 H2 Control Transformer UB-2002E-T Switch Optional Fusing 480V, 1Ø or 3Ø Ground This Wiring Wiring Comp't Thermostat by Customer Baffle When Used C1 T1 T2 F1 F2 For 3 Phase O

Summary of the content on the page No. 4

WIRING DIAGRAMS Figure 7 Use with: UB-1002E-R Heater Bank 208V, 1Ø or 3Ø 1 or 3 Phase, 60 Cycle 1Ø Motor Power Supply 208 or 240 Volts } 240V, 1Ø or 3Ø UB-1252E-R 208V, 3Ø Heater Cutout 240V, 3Ø Fused Integral Contactor Switch UB-1502E-R 208V, 3Ø 240V, 3Ø Thermostat This Wiring When Used Ground Wiring Comp't bny Customer Baffle T1 T2 For 3 Phase Only L1 L2 L3

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RENEWAL PARTS IDENTIFICATION 1 2 MOTORS 34 8 Heating Thermal Model Volts Phase Fan Transformer 120V 208V 240V Element Cutout 300-049200-002 1 (1) UB-1002E 208 1 or 3 118-045311-001 (3) 193-302120-009 193-302120-009 ————— 112-045422-001 ————— 300-049200-002 3 (1) 300-049200-002 1 (1) UB-1002E 240 1 or 3 118-045311-002 (3) 193-302120-009 ————— 193-302120-009 112-045422-001 ————— 300-049200-002 3 (1) 300-049200-002 1 (1) UB-1002E* 480 1 or 3 118-045311-003 (3) 193-302120-009 ————— 193-302120-009 11

Summary of the content on the page No. 6

RENEWAL PARTS IDENTIFICATION 9 RELAYS Model Volts Phase kW Motor Relay Model Volts Phase kW Motor Relay UB-1002E 208 1 10 120V 072-303180-008 UB-1502E 208 3 15 120V 072-303180-008 UB-1002E 208 1 10 208V 072-303180-014 UB-1502E 208 3 15 240V 072-303180-014 UB-1002E 208 3 10 120V 072-303180-007 UB-1502E 240 3 15 120V 072-303180-008 UB-1002E 208 3 10 208V 072-303180-013 UB-1502E 240 3 15 240V 072-303180-014 UB-1002E 240 1 10 120V 072-303180-008 UB-1502E 480 1 15 120V 072-303180-008 UB-1002E 240 1