Ford 2001 Ranger, Manual

Page: 296 / 1218

412-02-2 412-02-2 Heating and Ventilation
SPECIFICATIONS
Torque Specifications Torque Specifications
Description Nm Lb/In Description Nm Lb/In
Positive Temperature 3 26.5
Evaporator Housing Nuts 4 35.5
Coefficient Heater Core Cover
Heater Plenum Retaining Nuts 4 35.5
Screws
High-Voltage Power 2 18
Reservoir Nuts and Bolts 7 62
Distribution Box Cover Screws
(Continued)
The PTC heater is located in the standard Ranger
DESCRIPTION AND OPERATION
heater core assembly located on the LH side of the
Heating/Defrosting
dash panel. High-voltage DC is fed to the PTC
A positive temperature coefficient (PTC) heater is
heater by the PTC switching module. The PTC
used to heat the passenger compartment and defrost
heater is equipped with an overtemperature sensor,
the windshield on the Electric Ranger. The PTC
and the air that is circulated through the heater is
heater uses a two-stage electrical resistance heater
filtered through an unique climate control filter to
that operates on high-voltage direct current (DC).
prevent possible ignition of dirt or dust build-up on
At temperatures above 4
°
C (40
°
F), the first stage of
the heater. The heater will maintain the passenger
the PTC heater will operate to heat the passenger
compartment at a maximum of 26.5
°
C (85
°
F) in
compartment. At temperatures below 4
°
(40
°
F), both
order to conserve traction battery power.
stages of the PTC heater will operate.
The Postal Ranger EV has an unique feature called
The PTC heater is located in the standard Ranger
a Pre-Heat Function. The pre-heat function allows
heater core location, and high-voltage DC is fed to
for heating/defrosting while the vehicle is in the
the PTC heater by the PTC switching module. The
KEY-OFF position to help conserve battery energy.
PTC heater is equipped with an overtemperature
This feature will operate when the vehicle is
sensor, and the air that is circulated through the
connected to the charging station and the outside
heater is filtered through an climate control filter to
temperature is 18
°
C (64
°
F) or below. The button for
prevent possible ignition of dirt or dust build-up on
pre-heat is located to the left of the heater controls,
the heater. The heater will maintain the passenger
above the recirculation button. To activate, push the
compartment at a maximum of 26.5
°
C (85
°
F) in
button once. Heating is limited to 30 minutes of
order to conserve traction battery power.
operation per activation. This function will
automatically default the temperature control to full
heat and set the fan speed. The fan speed is
Heating/Defrosting —Postal Ranger
dependent on the temperature inside the vehicle.
EV
Direction of airflow can be controlled using the
A positive temperature coefficient (PTC) heater is
mode selector knob. While the pre-heat function is
used to heat the passenger compartment and defrost
on, the vehicle will be in recirculation mode. To
the windshield on the Postal Ranger EV. The PTC
turn the pre-heat off, disconnect the vehicle from
heater uses a two-stage electrical resistance heater
the charging station, put the vehicle in the KEY-ON
that operates on high-voltage direct current (DC).
position or wait until the 30 minutes have passed.
At temperatures above 4
°
C (40
°
F), the first stage of
the PTC heater will operate to heat the passenger
compartment. At temperatures below 4
°
(40
°
F), both
stages of the PTC heater will operate.
2001 Ranger EV, 01/2001