Bard EHP323-A05 Manual de usuario

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Manual 2100-472A

Page 1 of 4

INSTALLATION INSTRUCTIONS

MODELS

EHP323-A05 EHP323-A10 EHP323-A15

EHP323-B09 EHP323-B15

OPTIONAL ELECTRIC HEAT PACKAGES

For Use With

2, 2

½

and 3 Ton Package Units

Manual : 2100-472A

Supersedes: 2100-472

File: Volume II Tab 12

Date: 04-24-09

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

Since 1914 . . . Moving ahead, just as planned.

Manual 2100-472A

Page 2 of 4

BARD MANUFACTURING COMPANY, INC.

BRYAN, OHIO USA 43506

Contents

Important ................................................................... 3

Shipping Damage...................................................... 3

Unpacking The Heat Package .................................. 3

Installation ................................................................. 3

Wiring Connections................................................... 3

Figures

Figure 1 Unit Modification...................................... 4

Figure 2 Installation & Wiring ................................ 4

Manual 2100-472A

Page 3 of 4

IMPORTANT

The equipment covered in this manual is to be installed by

trained, experienced service and installation technicians.

SHIPPING DAMAGE

Upon receipt of equipment, the carton should be checked

for external signs of shipping damage. If damage is found,

the receiving party must contact the last carrier immediately,

preferably in writing, requesting inspection by the carrier’s

agent.

UNPACKING THE HEAT PACKAGE

Remove the heat package from the shipping carton. The

heat package must consist of the following:

1. Basic heater enclosure with controls and installation

instructions.

2. Plastic bag containing (1) 230 V terminal block, (1)

grounding lug, (4) #10-16 x ½" screws, (2) #8-16 x 1"

screws, (1) #10-24 x ½" screw, and (1) wire tie.

INSTALLATION

1. Disconnect all power supplies to the air conditioner or

heat pump.

2. Remove the control panel service door and heater access

door.

3. Remove the four (4) #10-16 X ½" screws, which secure

the electric heat cover plate (blank off plate). (See

Figure 1.) Remove the electric heat cover plate from the

blower partition and discard.

4. Carefully insert heater package through the opening

provided in the blower partition. Guide the heater

package into the opening being careful to align the

locating pin(s) or the heater(s) in the dimpled holes

provided in the rear of the blower partition.

5. Line up the four (4) holes in the heater control panel

with the four (4) pre-punched holes in the blower

partition and secure the heater package to the blower

partition with the four (4) #10-16 x ½" screws provided.

IMPORTANT

A separate power supply must be provided for

use with any optional heater package. DO

NOT attempt to connect a heater package with

a basic unit to a single power supply.

Remove the unit control panel cover and the inner 4¼" x

7¾" cover. By removing this cover, an isolated area is

exposed. Install the high voltage terminal block. Use the

two (2) #8-16 x 1" screws provided. Install the grounding

lug, using the two (2) #10-24 x ½" screws into the pre-

punched holes supplied.

Route the line voltage power circuit wires from the heater

package through the bushed hole in the unit’s center

partition to the newly installed high voltage terminal block.

Inspect all wiring for damage and secure any loose wiring

with the enclosed wire tie. See Figure 2 for completed

assembly. Replace the terminal block cover, control box

cover and blower service door.

Energize both power supplies and check for proper system

operation.

WIRING CONNECTIONS

Connect the wires exiting the bottom of the heater package

into the unit circuit by plugging in the plastic snap lock

fitting into the mating fitting located on the rear of the

control panel.

Manual 2100-472A

Page 4 of 4

partition.

from heater into 6 pin plug in

Plug male 6 pin connector

Use (4) screws

to attach heater

package

Route heater power wires

into field installed term. block

as shown. MIS-2165

Off Plate

Remove Blank

Remove Cover

FIGURE 1

UNIT MODIFICATION

FIGURE 2

INSTALLATION & WIRING