Typical piping and wiring
LEGEND
Power Wiring
Control Wiring
Outdoor Airflow
Indoor Airflow
*Separate disconnect per NEC (National Electrical Code) required
for electric heater when single-point connection is not used.
20
HORIZONTAL DISCHARGE
RETURN
AIR
TOP
COVER
FIELD-SUPPLIED PAD
INDOOR
THERMOSTAT
POWER AND
LOW-VOLTAGE
ENTRY
COMPOSITE
RUST-PROOF
BASE PAN
CONDENSATE
DRAIN
CONNECTION
FROM
POWER
SOURCE
DISCONNECT
PER NEC*
(UNIT AND
ELECTRIC
HEATER)