Bard EHSH31-A04, Руководство по установке

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Manual 2100-268
Page 1
DESCRIPTION
The EHWA, EHWH and EHWC series electric heater
packages are field installable heater packages suitable
for use with Bard wall mount hi boy air conditioners and
heat pumps. The packages consist of the electric heat
strip, the heater control base which includes the heat
contactors, and circuit breaker or pull disconnects,
installation instructions and wiring diagrams. See Table
1 for nominal electrical data and BTU output.
Before
installation, check unit serial plate to insure the heater
package model that you intend to install is listed a
heater package that is suitable for use with the Bard
wall mount hi boy unit.
See Figure 6.
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.
MODEL NOMENCLATURE LEGEND
Electric Heater Package
Wall Mount
Nominal KW
5 KW
A = Air Conditioner
H = Heat Pump
C = Air Conditioner & Heat Pump
Electrical Version
A = 240/208V - 1 PH
B = 240/208V - 3 PH
C = 480V - 3 PH
Suitable For Use In
See Tables 1A, 1B, 1C
EHW A 02 – A 05
UNPACKING THE ELECTRIC HEAT
PACKAGE
Remove the heat package from the shipping carton. The
heat package must consist of the following:
1. Basic heater
2. Electric heat control base and wiring.
3. Installation instructions.
4. Wiring diagram (2), one to be applied to unit.
5. Adhesive label to remark serial plate to indicate
new model number. This is attached to the front of
these instructions.
WIRING MAIN POWER
1. On all installations, size unit power supply wiring
for the minimum circuit ampacity requirement for
the unit and heater package combination listed on
the unit serial plate.
WARNING
Install properly sized power supply leads for the
unit/heater combination minimum circuit
ampacity as listed on the unit serial plate.
Hazard of fire. Failure to install properly sized
conductors could result in fire causing damage,
bodily injury or death.