Chromalox UB-1002E User manual

DIVISION

SECTION

SALES

REFERENCE

DATE

SERVICE REFERENCE

Installation, Operation

and

RENEWAL PARTS IDENTIFICATION

PF417-14

161-048445-001

July, 2002

(Supersedes PF417-13)

MOUNTING

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

WIRING

Note: All wiring should be done in accordance with local codes

and the National Electrical Code by a qualified person.

WARNING: Hazard of Electric Shock. Any installa-

tion involving electric heaters must be effectively

grounded in accordance with the National

Electrical Code to eliminate shock hazard.

1. Connect heater according to the voltage and frequency speci-

fied on the nameplate and using the appropriate wiring diagram

(Figures 3 thru 7).

Note: Be sure to check voltage rating of the fan motor which is

either 120, 208 or 240 volt, single phase since heater circuit could

be 480 volts, single or three phase.

2. If an external transformer is used to step down the voltage for oper-

ating the fan motor, use appropriate wiring diagram (Figures 3, 5

or 7).

3. Heaters are not provided with a control switch and should be

controlled by a magnetic contactor (integral or external) and a

separately mounted thermostat. External contactor is not nec-

essary with heaters having a model number suffixed with the

letter “R”.

4. Protection against overheating is provided by an internal auto-

matic thermal cutout which opens the electric circuit if the nor-

mal air-flow is restricted or stopped. Cutout automatically

energizes heater on removal of the obstruction.

WARNING: Users should install adequate back-up

controls and safety devices with their electric

heating equipment. Where the consequences of

failure may be severe, back-up controls are essen-

tial. Although the safety of installation is the

responsibility of the user, Chromalox will be glad to

make equipment recommendations.

OPERATION

DANGER:

1. Do not restrict air-flow through the heater by

placing fabric or other obstructions in front of or

behind the heaters. With some combustible

materials, the resulting high discharge tempera-

tures could cause a fire.

2. This heater is not intended for use in hazardous

atmospheres where flammable vapors, gases, liq-

uids or other combustible atmospheres are present

as defined in the National Electrical Code. Failure

to comply can result in explosion or fire. For these

applications see PDS CXH-EP (PF305).

MAINTENANCE

WARNING: Turn off all power to service heater. Do

not attempt to service heater while unit is operating

as there is hazard of electric shock, injury from

operating fan and burns from hot heating elements.

1. Fan motors in these heaters are provided with sealed ball bear-

ings, factory lubricated, requiring no further lubrication under

normal service conditions.

2. Following long periods of idleness, heater should be vacuumed

before start-up, to remove accumulated combustible particles

which otherwise may smoke or incinerate on initial heat up.

3. Periodically inspect all electrical connections and terminals to

avoid electrical wiring difficulties. Inspect all wiring for frayed

or worn insulation.

WIRING DIAGRAMS

Ground

Heater Bank

1Ø Motor

Heater

Wiring Comp't

Baffle

For 3 Phase Only

This Wiring

by Customer

Thermostat When Used

Control Source for

Separately Wired Motors

120 or 240 Volts, 60 Cycle 1 or 3 Phase, 60 Cycle

Power Supply 208, 240

or 480 Volts

Cutout

}

Fused

Switch

Fused

Control Switch

Contactor

Figure 3

Use with:

UB-1002E

208V, 1Ø or 3Ø

240V, 1Ø

480V, 1Ø or 3Ø

UB-1252E

208V, 3Ø

240V, 3Ø

480V, 1Ø or 3Ø

UB-1502E

208V, 3Ø

240V, 3Ø

480V, 1Ø or 3Ø

UB-2002E

480V, 1Ø or 3Ø

240V, 1Ø or 3Ø

WIRING DIAGRAMS

}

Alternate 240V Wiring

Integral 480V/240V

or 120V Transformer

Thermal

Cutout

Transformer

Fusing

Ground

Heater Bank

1Ø Motor

Heater

Wiring Comp't

Baffle

For 3 Phase Only

120V Wiring

X1 X3 X2 X4

H1 H2

This Wiring

by Customer

Control

Switch Optional

Thermostat

When Used

Contactor

Fused

Switch

1 or 3 Phase, 60 Cycle

Power Supply 480 Volts

Integral

Cutout

Ground

Heater Bank

1Ø Motor

Heater

Wiring Comp't

Baffle

For 3 Phase Only

}

This Wiring

by Customer

Thermostat

When Used

Control

Source 120 or

240 Volts, 60 Cycle

1 or 3 Phase, 60 Cycle Power

Supply 208, 240 or 480 Volts

Fused

Switch

Cutout

Fused

Control Switch

Alternate 240V Wiring

Integral 480V/240V

or 120V Transformer

Integral

Cutout

Ground

Heater Bank

1Ø Motor

Heater

Wiring Comp't

Baffle

For 3 Phase Only

Transformer

Fusing

120V Wiring

X1 X3 X2 X4

H1 H2

}

This Wiring

by Customers

Thermostat

When Used

Control

Switch Optional

1 or 3 Phase, 60 Cycle Power

Supply 480 Volts

Fused

Switch

Cutout

Figure 4

Use with:

UB-1002E-T

480V, 1Ø or 3Ø

UB-1252E-T

480V, 1Ø or 3Ø

UB-1502E-T

480V, 1Ø or 3Ø

UB-2002E-T

480V, 1Ø or 3Ø

Figure 5

Use with:

UB-1002E-R

208V, 1Ø or 3Ø

240V, 1Ø or 3Ø

480V, 1Ø or 3Ø

UB-1252E-R

208V, 3Ø

240V, 3Ø

480V, 1Ø or 3Ø

UB-1502E-R

208V, 3Ø

240V, 3Ø

480V, 1Ø or 3Ø

UB-2002E-R

480V, 1Ø or 3Ø

240V, 3Ø

Figure 6

Use with:

UB-1002E-TR

480V, 1Ø or 3Ø

UB-1252E-TR

480V, 1Ø or 3Ø

UB-1502E-TR

480V, 1Ø or 3Ø

UB-2002E-TR

480V, 1Ø or 3Ø

WIRING DIAGRAMS

Integral

Contactor

Ground

Heater Bank

1Ø Motor

Heater

Wiring Comp't

Baffle

For 3 Phase Only

}

This Wiring

bny Customer

Thermostat

When Used

1 or 3 Phase, 60 Cycle

Power Supply 208 or 240 Volts

Fused

Switch

Cutout

Figure 7

Use with:

UB-1002E-R

208V, 1Ø or 3Ø

240V, 1Ø or 3Ø

UB-1252E-R

208V, 3Ø

240V, 3Ø

UB-1502E-R

208V, 3Ø

240V, 3Ø

RENEWAL PARTS IDENTIFICATION

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)

12MOTORS 34 8

Model Volts Phase Heating

120V 208V 240V Fan Thermal Transformer

Element Cutout

UB-1002E 208 1 or 3 118-045311-001 (3) 193-302120-009 193-302120-009 ————— 112-045422-001 300-049200-002 1 (1) —————

300-049200-002 3 (1)

UB-1002E 240 1 or 3 118-045311-002 (3) 193-302120-009 ————— 193-302120-009 112-045422-001 300-049200-002 1 (1) —————

300-049200-002 3 (1)

UB-1002E* 480 1 or 3 118-045311-003 (3) 193-302120-009 ————— 193-302120-009 112-045422-001 300-049200-002 1 (1) 315-303675-001

300-049200-002 1 (1)

UB-1252E 208 3 118-045311-004 (3) 193-302120-009 193-302120-009 ————— 112-045422-001 300-049200-002 3 (1) —————

UB-1252E 240 1 or 3 118-045311-005 (3) 193-302120-009 ————— 193-302120-009 112-045422-001 300-049200-002 1 (1) —————

300-049200-002 3 (1)

UB-1252E* 480 1 or 3 118-045311-006 (3) 193-302120-009 ————— 193-302120-009 112-045422-001 300-049200-002 1 (1) 315-303675-001

300-049200-002 3 (1)

UB-1502E 208 3 118-045307-001 (3) 193-302120-009 193-302120-009 ————— 112-045422-002 300-049200-006 3 (1) —————

UB-1502E 240 1 or 3 118-045307-002 (3) 193-302120-009 ————— 193-302120-009 112-045422-002 300-049200-006 1 (1) —————

300-049200-006 3 (1)

UB-1502E* 480 1 or 3 118-045307-003 (3) 193-302120-009 ————— 193-302120-009 112-045422-002 300-049200-006 (1) 315-303675-001

UB-2002E 208 3 118-045307-004 (3) 193-302120-009 193-302120-009 ————— 112-045422-002 300-049200-006 (1) —————

UB-2002E 240 1 or 3 118-045307-009 (3) 193-302120-009 ————— 193-302120-009 112-045422-002 300-049200-006 1 (1) —————

300-049200-006 3 (1)

UB-2002E* 480 1 or 3 118-045307-006 (3) 193-302120-009 ————— 193-302120-009 112-045422-002 300-049200-006 (1) 315-303675-001

RENEWAL PARTS IDENTIFICATION

Model Volts Phase kW Motor Relay

UB-1002E 208 1 10 120V 072-303180-008

UB-1002E 208 1 10 208V 072-303180-014

UB-1002E 208 3 10 120V 072-303180-007

UB-1002E 208 3 10 208V 072-303180-013

UB-1002E 240 1 10 120V 072-303180-008

UB-1002E 240 1 10 240V 072-303180-014

UB-1002E 240 3 10 120V 072-303180-007

UB-1002E 240 3 10 240V 072-303180-013

UB-1002E 480 1 10 120V 072-303180-011

UB-1002E 480 1 10 240V 072-304551-015

UB-1002E 480 3 10 120V 072-303180-007

UB-1002E 480 3 10 240V 072-303180-013

UB-1252E 208 3 12.5 120V 072-303180-008

UB-1252E 208 3 12.5 240V 072-303180-014

UB-1252E 240 3 12.5 120V 072-303180-008

UB-1252E 240 3 12.5 240V 072-303180-014

UB-1252E 480 1 12.5 120V 072-303180-011

UB-1252E 480 1 12.5 240V 072-304551-015

UB-1252E 480 3 12.5 120V 072-303180-007

UB-1252E 480 3 12.5 240V 072-303180-013

Model Volts Phase kW Motor Relay

UB-1502E 208 3 15 120V 072-303180-008

UB-1502E 208 3 15 240V 072-303180-014

UB-1502E 240 3 15 120V 072-303180-008

UB-1502E 240 3 15 240V 072-303180-014

UB-1502E 480 1 15 120V 072-303180-008

UB-1502E 480 1 15 240V 072-303180-014

UB-1502E 480 3 15 120V 072-303180-007

UB-1502E 480 3 15 240V 072-303180-013

UB-2002E 208 3 20 120V ——————

UB-2002E 208 3 20 208V ——————

UB-2002E 240 1 19.9 120V ——————

UB-2002E 240 1 19.9 240V ——————

UB-2002E 240 3 19.9 120V 072-303180-008

UB-2002E 240 3 19.9 240V 072-303180-014

UB-2002E 480 1 20 120V 072-303180-008

UB-2002E 480 1 20 240V 072-303180-014

UB-2002E 480 3 20 120V 072-303180-007

UB-2002E 480 3 20 240V 072-303180-013

9 RELAYS

PARTS COMMON TO ALL HEATERS

5Wall Bracket Set . . . . . . . . . . . . . . . . . . . . . . .168-026844-003

6Ceiling Mounting Support (Includes 7) . . . . .027-044419-003

7Ceiling 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.

2150 N. RULON WHITE BLVD., OGDEN, UT 84404

Phone: 1-800-368-2493 www.chromalox.com

Limited Warranty:

Please refer to the Chromalox limited warranty applicable to this product at

http://www.chromalox.com/customer-service/policies/termsofsale.aspx.

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