PREVOST X3-45 COMMUTER User Manual

SECTION 22: HEATING AND AIR CONDITIONING
6
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
2. HVAC SYSTEM OVERVIEW
The vehicle interior is pressurized by its Heating Ventilation and Air Conditioning (HVAC) system. On
vehicles equipped with a Central HVAC System; airflow and controls divide the vehicle in two areas:
driver’s area and passengers’ area. Each section has its own fresh air, returning air and discharge air
ducting. Each section has its own evaporator coil and heater core but both sections share the same
condenser.
The exhaust is mainly done through the lavatory ventilator and through normal airtightness losses.
NOTE
Air conditioning
Air conditioning is the artificial treatment of air to render the living conditions of persons
more
comfortable and healthful
. Complete air conditioning involves adjustme
nt and control of following
operations performed on the air supply :
Heating or cooling; Dehumidification; Ventilation; Filtering;
2.1 CENTRAL HVAC SYSTEM EVAPORATOR COMPARTMENT ARRANGEMENT
FIGURE 1: EVAPORATOR COMPARTMENT AND DISCHARGE DUCTING ARRANGEMENT

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in