Global Industrial 246104 User Manual

Blower HeElectric

Models: 653561 653560 6535

653558 653562 246067

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1

READ & SAVE

INSTRUCTIO

Wall Mount Models: 653566 653567 653568

653569 246068

READ & SAVE THESE

INSTRUCTIONS

Models: 246103, 246104, 246132, 246133 ,

246134, 246725 &246727

Vertical or Horizontal Downflow

Unit Heater

Vertical or Horizontal Downflow Unit Heater

User’s Manual

2

IMPORTANT INSTRUCTIONS

When using electrical appliances, basic precautions should
always be followed to reduce risk of fire, electrical shock and
injury to persons or property, including the following:

Please read all instructions before using this heater.

NOTE: This product must be installed by a certified electrician
in accordance with local codes.

Traces of smoke or odor when unit is initiated indicates that small
amounts of oil leaked on heating coil during manufacturing. It will
evaporate quickly and should not re-occur. Make sure the appli­ance location is well ventilated during operation. It is normal for the
unit to emit sounds when turned on for the first time.
Make sure that the room in which the appliance is located is well
ventilated during this operation.

1.Read all instructions before using this heater.

2.This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. Keep combustible materials,
such as furniture, pillows, bedding, papers, clothes and
curtains at least 3 ft. (0.9 meters) from the front and top of the
heater and keep them away from the sides and rear.

3.Extreme caution and reasonable supervision is necessary
when any heater is used by or near children, invalids or pets
and whenever the heater is left operating and unattended.

4. Always switch off the heater when not in use.

5. Do not operate any heater after the heater malfunctions, has
been dropped or damaged in any manner. Disconnect power
at service panel and have heater inspected by a qualified
electrician before reusing.

6. Do not use outdoors.

7. To disconnect heater, turn off power to heater circuit at main
disconnect panel.

8.Do not install less than 6 feet (1.8 m) high from the floor.

9.Do not insert or allow foreign objects to enter any ventilation or
exhaust opening as this may cause an electric shock or fire, or
damage the heater.

10.To prevent a possible fire, do not block air intakes or exhaust
in any manner.

11.A heater has hot and arcing or sparking parts inside. To reduce
the risk of fire, do not use it in areas where gasoline, paint, or
flammable vapors and liquids are used or stored.

12.Use this heater only as described in this manual. Any other use
not recommended by the manufacturer may cause fire, electric
shock, or injury to persons.

13. Do not install closer than 1 foot (0.3 m) from both sides and
rear of heater to any adjacent surface/wall.

High temperature, risk of fire, keep electrical

cords, drapery, furnishings, and other

combustibles at least 3 feet (0.9 m) from the

front of the heater and away from the side

and rear.

Product Specifications

Model 246104 246103

246132 246133 246134 246725 246727

Length Inches

8

1/2

8

1/2

8

1/2

8

1/2

13

3/4

8

1/2

13

3/4

Width Inches 19 19 19 19 19 14

1/8

19

Height Inches 21

7/16

21

7/16

21

7/16

21

7/16

21

7/16

16 21

7/16

Wire Size For

Installation

14AWG 14AWG 8AWG 6AWG 12AWG 16AWG 10AWG

Net Weight Lbs 41 41

41 41 58 28 58

Construction Cold Rolled

Steel

Cold Rolled

Steel

Cold Rolled

Steel

Cold Rolled

Steel

Cold Rolled

Steel

Cold Rolled

Steel

Cold Rolled

Steel

Btu High 25,600 34,100

25,600/19,100 34,100/25,600 51,200 17,000 68,200

Cfm High 650 650

650 650 910 350 1320

Outlet Air Tempera-

ture

140°F @ Ambi­ent Temp. 77°F

149°F @ Ambi­ent Temp. 77°F

140°F @ Ambi­ent Temp. 77°F

149°F @ Ambi­ent Temp. 77°F

152°F @ Ambi­ent Temp. 77°F

112°F @ Ambi­ent Temp. 77°F

148°F @ Ambi­ent Temp. 77°F

Voltage 480 480

208/240 208/240 480 480 480

Phase 3 3

1or3 1or3 3 3 3

Amps 9 12

31.3/27 42/36 18 6 24

Watts 7,500 10,000

5,600/7,500 7,500/10,000 15,000 5,000 20,000

Kilowatts 7.5 10

5.6/7.5 7.5/10 15 5 20

Circuit Breaker Amp

rating

15A 15A 40A 55A 25A 15A 30A

Safety Tip-Switch No No No No No No No

Limited Warranty

Years

1 1 1 1 1 1 1

Certification UL/cUL UL/cUL UL/cUL UL/cUL UL/cUL UL/cUL UL/cUL

User’s Manual

3

Wiring Diagram for 246103 & 246104

A

B

C

FG IJK

D

H

E

D

A Housing

B Louver

C Front Exhaust Grill

D Heating Element

E Thermostat Knob

F Contactor

G Linear Limit Protector

H Transformer

I Ground Lug

J Capacitor

K Terminal Block-Power

Parts List

PARTS OF THE HEATER

Vertical or Horizontal Downflow Unit Heater

User’s Manual

4

Wiring Diagram for 246132 & 246133

Wiring Diagram for 246134 & 246727

Vertical or Horizontal Downflow Unit Heater

Wiring Diagram for 246725

User’s Manual

5

Table 1 -Wall and Ceiling Clearance, inches(mm) / Mounting
Brackets

MOUNTING

Model

Discharge

Ceiling

Side Wall

Back Wall

246103,246104,
246132,246133

Horizontal

6” (152.4)

6” (152.4)

13” (330.2)

Vertical

6” (152.4)

24” (609.6)

24” (609.6)

246134，246727

Horizontal 6” (152.4)

9” (228.6)

12 1/2” (330.2)

Vertical 6” (152.4)

24” (609.6)

24” (609.6)

246725

Horizontal

2” (50.8)

6” (152.4)

9” (228.6)

Vertical

6” (152.4)

18” (457.2)

18” (457.2)

Table 2 - Mounting Rod Spacing

ROD MOUNTING
HORIZONTAL DISCHARGE
NOTE: Mounting rods not included. Mounting rods need to contain a 5/16”-18 thread size and must be a minimum of 7.5” long.

1.Remove the four bolts from the threaded holes on the top of the heater.

2. Install four threaded mounting rods (not included) in the threaded holes of the heater and secure in place using lock nuts.

3. Securely attach the four mounting rods to the ceiling.
Refer to Table 1 for wall and ceiling clearances and Table 2 for mounting rod spacing.

Model

Rod

Thread

Type

Rod

Length

Horizontal

(Figure 1)

Vertical

(Figure 2)

A

B

C

D

E

F

G

H

246103,246104,

246132,246133

5/16-18

at least
250mm

6

1

/16”

8

7

/8”

5

1

/8”

3/4”

8

7

/8”

14

5

/8”

2”

5

1

/8”

246134,246727

5/16-18

at least
250mm

11

3

/8”

8

7

/8”

5

1

/8”

3/4”

8

7

/8”

14

5

/8”

2”

5

1

/8”

246725

5/16-18

at least
250mm

6

1

/16”

6” 4

1

/16”

3/4”

6”

9

3

/4”

2”

4

3

/16”

Vertical or Horizontal Downflow Unit Heater

INSTALLING INSTRUCTIONS

All wiring must be installed by a certified electrician

according to the local electrical codes. The ceiling

heater must be grounded in accordance with all

national and local building codes.

High temperature, risk of fire, keep electrical

cords, drapery, furnishings, and other

combustibles at least 3 feet (0.9 m) from the front

of the heater and away from the side and rear.

To reduce the risk of fire, do not store or use

gasoline or other flammable vapors and

liquids in the vicinity of the heater.

All wiring procedures and connections shall be in accordance
with the national and local codes having jurisdiction.

Before installation:

Disconnect the main supply connection.
The heater must be connected to individual branch circuit.

Installation location:

1.Arrange units so their discharge air streams are subjected to a
minimum of interference from columns and partitions.

2.Direct air stream away from room occupants.

3.Do not blow air steam directly at wall.

4.Direct air stream along the windward side of a room when
installed in a building exposed to a prevailing wind.

5.If using a remote thermostat, locate thermostat approximately 5
feet above partition walls or posts away from cold drafts, internal
heat sources, and away from heater discharge air streams.

6.Large rooms require multi-unit installations. Arrange units to
provide perimeter air circulation where each unit supports the air
stream from another.

Mount the heater at least 6 feet above the floor

to prevent accidental contact with the fan blade

which could cause injury.

To prevent possible over heating or damage due

to overheating, keep at least a 5 feet clearance

in front of the heater. Refer to Table 1 for side,

top and back clearance requirements.

User’s Manual

6

BRANCH CIRCUIT (POWER)

1. Connect heater only to the voltage, amperage and
frequency specified on the nameplate.

2. Field wiring must be properly sized to carry the amperage
in accordance with the NEC.

3. The access door is hinged. There are either one or two
screws accessible from the bottom that must be removed
to gain access.

4. A knockout is provided in the back of the heater close to
the power terminal board. The control terminal board
knockout is 1/2 inch conduit size. The power terminal
block knockout is multiple diameter. Use the diameter that
fits the required conduit size.

5. A ground terminal is provided near the power terminal
board. The ground wire should be connected before other
connections are made. The ground wire of model as
below.

knockout here

Side Wall

Back Wall

Threaded
Mounting
Holes(4)

E

G

F

H

WIRING INSTRUCTIONS

NOTE: Mounting rods not included. Mounting rods need to contain a 5/16”-18 thread size and must be a minimum of 7.5” long.

1.Remove the four bolts from the threaded holes on the back of the heater.

2. Install four threaded mounting rods (not included) in the threaded holes of the heater and secure in place using lock nuts.

3. Securely attach the four mounting rods to the ceiling.
Refer to Table 1 for wall and ceiling clearances and Table 2 for mounting rod spacing.

Ceiling

Back Wall

Mounting
Rod(4) - not

included

Lock Nut

Access Door

Clearance Equal to Depth of Heater to
Permit Full Opening of The Access Door

Threaded Mounting Holes(4)
for Vertical discharge

Figure 2 - Vertical Discharge Mounting and Spacing

VERTICAL DISCHARGE

Threaded Mounting Holes(4)
for Horizontal discharge

Ceiling

Back Wall

Mounting
Rod(4) - not
included
Lock Nut

Unit Heater

7” Min. Clearance to Floor

Back Wall

Side Wall

Threaded Mounting
Holes(4)

B

A

D

C

Figure 1 - Horizontal Discharge Mounting and Spacing

Model

Grounding wire

AWG#

246103 14
246104 14
246132 8
246133 6
246134 12
246725 16
246727 10

Vertical or Horizontal Downflow Unit Heater

6. The power terminal board is equipped with box terminals
sized to accept the correct size power supply wire. Wire
rated at 600V and 194°F is satisfactory for the heater
branch circuit. Copper wire is satisfactory for connection
to the heater power terminal board box terminal.

OPERATION INSTRUCTIONS

1.Heater must be properly installed before operation.

2. Turn power supply “ON” at main service panel.

3. Where applicable, refer to control accessory instructions
regarding proper operation of any controls or accessories
used with the heater.

4. Ambient temperature is regulated by adjusting the built-in
thermostat to a desired position.

5. Allow the unit to operate and warm up the room.

6. When the desired temperature is reached, turn the control
knob counterclockwise until the heater turns off. This is the
ideal setting.

7. The heater will start automatically when the room
temperature drops below this set point, and will turn off when
the set point is reached.

It is important to keep this heater clean. To assure efficient oper­ation follow the simple instructions below.

MAINTENANCE CLEANING INSTRUCTIONS

(To be performed only by Qualified Service Personnel)
At least annually, the heater should be cleaned and serviced by
a qualified service person to assure safe and efficient operation.
This should include the removal of the grille and, as necessary
the heater from the back box to clean residue from the unit. After
completing the cleaning and servicing, the heater should be fully
reassembled and checked for proper operation.

To reduce the risk of fire and electric shock or injury, disconnect
all power coming to heater at main service panel and check that
the element is cool before servicing or performing maintenance.

USER CLEANING INSTRUCTIONS

1.After the heater has cooled, a vacuum cleaner with brush
attachment may be used to remove dust and lint from exterior
surfaces of the heater including the grille openings.

2.With a damp cloth, wipe dust and lint from grille and exterior
surfaces.

3.Return power to heater and check to make sure it is operating
properly.

User’s Manual

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Vertical or Horizontal Downflow Unit Heater

7. Each heater has a wiring diagram affixed to the inside of
the access door. Consult this diagram before making any
field connections.

8. Electrical Accessories, either kits or factory-installed
options, are shown connected by a dashed line on the
heater wiring diagram.

9. Single or three-phase connections may be used with
heater models 246132 and 246133. These units are
factory wired for single phase operation. If these heaters
are for use with three-phase power, reconnect the wires
as indicated in the wiring diagram attached to the heater.

CONTROL WIRING OF OPTIONAL
EQUIPMENT

Line voltage is present on some of the

terminals on the control terminal board.

Always disconnect the power from the heater

before making any connections to the control

board to prevent hazards.

1. Use min. 600 volt, NEC Class 1 insulated wire for all control
circuit wiring.

2. Use a crimp-on type fork terminal on the wire ends that
attach to the control terminal board if more than one
connection is to be made under the terminal screw.

3. Control wiring must be rated minimum 18 AWG.

NOTE: Thermostat and control circuit wiring must be
suitable to handle the full load of the heater

L1

L2

L3

Ground Wire

10. Connect the red live wire to L1, black live wire to L2 and
white live wire to L3 of the connector. Connect ground wire
to .

L1: red live wire L2: black live wire L3: white live wire

11.For model 246132 and 246133, the heaters are wired for
240V from factory. When heater is to be connected to
208V supply, the transformer leads have to be inter
changed. Inter change transformer red and black primary
leads (see wiring diagram on heater door). The color lead
is the COMMON for the 40VA control transformer
provided with these heaters.

TROUBLE SHOOTING

If the heater fails to operate, please follow these procedures:

This heater has thermal cut-off protection. If the thermal cut-off
protection trips, turn off the power and switch off the circuit
breaker.

The unit should reset automatically after 10-30 minutes. If the
thermal cut-off protection trips again, consult a certified/licensed
electrician to determine the reason for overheating.

Unit is not
heating.

Overheat protection has temporarily deactivated the
heater.

Turn the heater OFF. Switch off the circuit breaker.
Wait 10-30 minutes before turning back on.

Breaker/Fuse has been tripped.

Check your electrical box to confirm the breaker has
not been blown. This may occur if the receptacle is
shared with other high consumption appliances.

The heater is
producing a
burning smell.

Check & ensure there are no combustible materials
within 3ft. (0.9 meters) surrounding the heater.

Remove any combustible items from the vicinity of
the heater.

A small amount of oil fell on the heating coil during
the manufacturing process. It will quickly evaporate
and should not occur again.

Ensure room in which heater is situated is well
ventilated.

Ensure a minimum clearance of 1 foot (0.3 m) from
both sides and rear of heater to any adjacent
surface/wall.

Reposition the heater so there is enough space
between the heater and any adjacent surface/wall.

Problem Probable Cause Solution

PLEASE DO NOT ATTEMPT TO OPEN OR REPAIR THE HEATER YOURSELF.

DOING SO COULD CAUSE DAMAGE TO THE HEATER OR PERSONAL INJURY.

User’s Manual

8

Vertical or Horizontal Downflow Unit Heater