V-5 Variable Displacement Compressors

Climate Control
V-5 Variable Displacement
Compressors
Description:
The first volume-produced variable displacement
compressor, the five-piston V-5 automatically adjusts
displacement to match the vehicle’s air conditioning
demand. A control valve in the V-5’s rear head
senses evaporator load and automatically changes
displacement to match that load.
Typical Application:
The V-5 is readily adaptable to numerous OEM
applications, both in passenger vehicles and trucks. It
is currently applied to both Thermostatic Expansion
Valve (TXV) and Orifice Tube (OT) systems. Various
V-5 displacement models are available, up to 156 cc
Features
Benefits
• Variable displacement design
• Smooth, continuous
operation with no
clutch cycling
• Improved dehumidification
and passenger comfort
• Improved fuel economy
mechanical destroker; drive belt protection (thermal
• Die-cast aluminum construction
• Lightweight design
fuse); multiple pulley and clutch configurations (Single
• Control valve integrated
into compressor
• Compact packaging
Groove, Poly-Vee); various protection switches;
• Electronic control system
capability
• Improved cool-down
various control valve settings; a high-pressure relief
• Compact clutch arrangements
• Design flexibility
maximum, variable down to 10 cc, through
adjustments in the wobble plate angle. Special
options available on the V-5 include: a high-speed
valve; various porting configurations (rear port, side
port, various seal types); various mounting
configurations (ear mount and direct mount).
Performance Advantages:
Unlike cycling clutch AC systems, the V-5’s continuous
displacement feature results in smooth, continuous
compressor operation without any clutch cycling,
improving dehumidification and fuel economy.
Harrison Thermal Systems
Climate Control
V-5 Variable Displacement Compressors
V-5 COMPRESSOR PERFORMANCE (R-134a)
100
14
EFFICIENCY-PERCENT
VOLUMETRIC
10
ISENTROPIC
60
8
6
40
20
CAPACITY
4
POWER
2
POWER CAPACITY-KILOWATTS
12
80
0
0
1
2
3
4
5
RPM X 1000
ASHRAE CONDITIONS:
• 241 KPA BP, 24° C SUCTION
• 1620 KPA HP, 2.8° C SUBCOOLING
Specifications
Parameters
Requirements
TYPE:
5-piston wobble plate mechanism
continuously variable displacement
CAPACITY (2000 RPM):
7511 watts
DISPLACEMENT CONTROL:
Integral pneumatic control valve
(various settings available)
DISPLACEMENT:
Maximum: 156 cc, Minimum: 10 cc
DIMENSIONS:
Length: 205.0 mm, Diameter: 135.0 mm
DRY WEIGHT:
6.3 kg (with clutch assembly)
STANDARD MODEL
OPERATING SPEED:
HIGH SPEED MODEL
6000
7500
7500
8000
rpm,
rpm,
rpm,
rpm,
maximum continuous
transient
maximum continuous
transient
REFRIGERANT:
R-134a
HIGH PRESSURE RELIEF VALVE SETTING:
3171 - 4137 kPa
ROTATION:
Clockwise (viewed from clutch end)
www.delphi.com
Printed on Recycled Paper
©1998 Delphi Corporation. All rights reserved.
DH-98-E-003 08/98
Harrison Thermal Systems
200 Upper Mountain Road, Lockport, NY 14094
Tel: 716.439.2513
Fax: 716.439.3237