
INSTALLER'S GUIDE
PAGE 2 Pub. No. 18-HB20D2-4
GENERAL
These instructions are for the installation of single point power
entry kit in single package units described in the table on page 1.
1. Check for any shipping damage, and if any, report it to the
carrier immediately.
2. Check the single power entry kit nameplate and compare with
the table on page 1, make certain that the available power
supply complies with the particular single power entry kit,
heater and unit model being used.
3. The field electrical connections and wiring must be done in
accordance with the “National Electrical Code” and must com-
ply with local electrical codes.
IMPORTANT: The two (2) nameplate labels included
with the single power entry kit, must be attached to the
air conditioning unit or heat pump unit as illustrated
below.
The smaller label must be placed over the unit nameplate
to cover the unit only min. circuit ampacity and fusing.
The “single power entry installed” nameplate must be
placed over the “heater installed” nameplate.
Check the appropriate kit, heaters and unit combination.
HIGH VOLTAGE FIELD WIRING
NOTE: All field wire to be rated 75°C minimum. Maximum field
wire size is 2/0 AWG.
1. Check to make certain the proper size fuses are installed per
the fuse table (located on the wiring diagram) for the particu-
lar single power entry kit being used.
2. Remove the required knockout from the unit conduit panel
and route field wires through the unit control box.
3. Connect power supply to the terminal block on the single power
entry kit. See appropriate wiring diagram for hookup connec-
tions. Connect the power supply ground wire to the ground
lug on the single power entry kit.
4. Close the heater and single power entry kit control box cover.
5. Reinstall the air conditioner’s or heat pump’s access panels.
6. Apply power to unit.
LOW VOLTAGE WIRING (24 Volts)
All low voltage connections have been made to the heater via
polarized plugs. The low voltage controls are connected to the
room thermostat from the air conditioner or heat pump low volt-
age leads. See the field wiring diagram with the unit.
INSTALLATION OF SINGLE POWER ENTRY KIT
1. Remove screws that secure the air conditioner’s or heat pump’s
heater and control box access panels.
2. Remove and discard sheet metal screws from where the single
power entry kit is to be mounted in the unit. See Figures 1 and 2.
3. Insert grommet in hole that leads to the control compartment
where unit power and field wires will pass thru.
4. Position single power entry kit to unit as illustrated in Figures
1 and 2.
5. Secure single power entry kit to unit with screws provided in kit.
NOTE: The BAYSPEK047A kit does not include a hinged
access door.
6. Make all electrical connections to the unit and heater in accor-
dance with the appropriate wiring diagram in this instruction
and attached to the specific single power entry kit.
▲
WARNING:
TO PREVENT INJURY OR DEATH
DUE TO ELECTRICAL SHOCK OR CONTACT WITH MOVING
PARTS. LOCK UNIT DISCONNECT SWITCH IN OPEN
POSITION BEFORE SERVICING UNIT.
POSITION FOR LABELS IN
SINGLE POINT
POWER ENTRY KIT
UNIT NAMEPLATE
HEATER
INSTALLED
NAMEPLATE
SINGLE
POWER
ENTRY
INSTALLED
NAMEPLATE
FOR UL RATING REQUIREMENTS SEE
THE SINGLE POWER ENTRY INSTALL
NAMEPLATE FOR MINIMUM CIRCUIT
AMPACITY AND MAXIMUM OVERCURRENT
PROTECTION SIZE INFORMATION.
SMALLER
LABEL
From Dwg. 21B730227