Chromalox UB-752D user manual

Summary of the content on the page No. 1

SERVICE REFERENCE
Installation, Operation
DIVISION 4 SECTION UB
and
SALES
(Supersedes PF416-12)
REFERENCE PF416-13
RENEWAL PARTS IDENTIFICATION
161-048444-001
DATE JULY, 2002
UB-502D and UB-752D
Forced-Air Heaters
Dimensions —
Ceiling Line
13-5/8”
11-5/8”
6” Min. Spacing to
Back 3”
Adjacent Wall
Wall
For Lower Height
4-7/8”
from Ceiling:
Customer to add
Wall
17-3/16” Extension Strap. Mounting
Holes
Center
8”
11-7/8”
6”
8”
8-7/8”
7-9/16”
6”
7/8” and 1-13/32”

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 installation essary with heaters having a model number suffixed with the involving electric heaters must be effectively letter “R”. grounded in a

Summary of the content on the page No. 3

WIRING DIAGRAMS Figure 5 1 or 3 Phase 60 Hz Alternate 240V Wiring X1 X3 X2 X4 Power Supply 480 Volts } Use with: Heater Bank 1Ø Motor Integral 480V/240V UB-502D-T & Fused 120V Wiring or 120V Transformer Switch X2 X1 X3 X4 UB-752D-T Contactor Heater Thermal 480V, 1Ø or 3Ø Cutout H1 H2 Control Switch Optional This Wiring Ground Wiring Comp't Thermostat by Customer Baffle When Used C1 T1 T2 F1 F2 For 3 Phase Only L1 L2 L3 Figure 6 1 or 3 Phase 60 Hz Power 1Ø Motor Heater Bank Use with: Supply 208,

Summary of the content on the page No. 4

RENEWAL PARTS IDENTIFICATION 1 34 8 2 MOTORS Heating Thermal Volts Phase Fan Transformer 120V 208V 240V Element Cutout UB-502D 120 1 118-045259-001 (3) 193-302120-009 ————— ————— 112-045408-006 300-049200-006 (3) ————— 300-049200-006 1ø (2) ‡ UB-502D 208 1 or 3 118-045259-002 (3) 193-302120-009 193-302120-009 ————— 112-045408-006 ————— 300-049200-006 3ø (3) ‡ 300-049200-006 1ø (2) ‡ UB-502D 240 1 or 3 118-045259-003 (3) 193-302120-009 ————— 193-302120-009 112-045408-006 ————— 300-049200-006 3

Summary of the content on the page No. 5

RENEWAL PARTS IDENTIFICATION 9 RELAYS Model Volts Phase Motor Relay UB-502D 208 1 120V 072-303180-011 UB-502D 208 1 208V 072-303180-016 UB-502D 208 3 120V 072-303180-007 UB-502D 208 3 208V 072-303180-013 UB-502D 240 1 120V 072-303180-011 UB-502D 240 1 240V 072-303180-016 UB-502D 240 3 120V 072-303180-007 UB-502D 240 3 240V 072-303180-013 UB-502D 480 1 120V 072-303180-011 UB-502D 480 1 240V 072-303180-016 UB-502D 480 3 120V 072-303180-007 UB-502D 480 3 240V 072-303180-013 UB-752D 208 1 120V ————

Summary of the content on the page No. 6

Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com