TEST CONDITION

Testing must be performed as per the following:
Vehicle condition
Indoors or in the shade (in a well‐ventilated place)
Doors
Closed
Door windows
Open
Hood
Open
Temperature control switch or dial
Maximum cold
Mode switch
(Ventilation) set
Intake switch
(Recirculation) set
Fan (blower) speed
Maximum speed set
Engine speed
Idle speed
Operate the air conditioning system for 10 minutes before taking measurements.

 
 TEST READING

Recirculating‐to‐discharge Air Temperature Table
Inside air (Recirculating air) at blower assembly inlet
Discharge air temperature at center ventilator
°C (°F)
Relative humidity
%
Air temperature
°C (°F)
50 ‐ 60
20 (68)
6.0 – 8.0 (43 – 46)
25 (77)
8.4 – 10.9 (47 – 52)
30 (86)
14.5 – 17.5 (58 – 64)
60 ‐ 70
20 (68)
7.1 – 9.1 (45 – 48)
25 (77)
10.9 – 13.4 (52 – 57)
30 (86)
17.5 – 20.5 (64 – 69)


Ambient Air Temperature‐to‐operating Pressure Table
Ambient air
High‐pressure (Discharge side)
kPa (kg/cm2, psi)
Low‐pressure (Suction side)
kPa (kg/cm2, psi)
Relative humidity
%
Air temperature
°C (°F)
50 ‐ 70
25 (77)
1,204 – 1,471
(12.3 – 15.0, 174.6 – 213.3)
171 – 209
(1.7 – 2.1, 24.8 – 30.3)
30 (86)
1,300 – 1,590
(13.3 – 16.2, 188.5 – 230.6)
196 – 240
(2.0 – 2.4, 28.4 – 34.8)
35 (95)
1,500 – 1,820
(15.3 – 18.6, 217.5 – 263.9)
229 – 280
(2.3 – 2.9, 33.2 – 40.6)
40 (104)
1,870 – 2,285
(19.1 – 23.3, 271.2 – 331.3)
292 – 357
(3.0 – 3.6, 42.3 – 51.8)