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Technical Data
Refrigerant R 134a Compressor lubricant PAG fluid
Capacity 700 grams Capacity 180 cm3
Pressure in low pressure area 1.5 kPa*
Pressure in high pressure area 14 kPa*
* at approx. 20 °C ambient temperature, engine speed approx. 1500 rpm, AC switched on
V-belt tension New: 450-550 N, V-belt dimensions 12.5 x 1375 mm
run-in for 20 min 300-400 N
Recommended Torque Values Nm
Receiver-dryer to bracket 10
Dual switch in receiver-dryer 9-11
Compressor bracket to engine 40
Refrigerant lines to receiver-dryer 6.5-9.5
Refrigerant lines to compressor 3/8 inch: 15-18, 1/2 inch: 20-27
Refrigerant lines to condenser 11
Coolant temperature switch 30-40
Compressor to compressor bracket 45
Switch pressures, switch assembly Switch temperatures [°C]
high/low pressure S202 [bar]
ON OFF CLOSED OPEN
Low pressure S202.1 2.25 ± 0.2 2 ± 0.21 Coolant temperature switch S200 10-115 115-120
High pressure S202.2 15 ± 1.3 11 ± 1.8 Coolant temperature switch, 2-stage S88
S88 (I) 93-98 88-93
S88 (II) 103-108 98-103
Anti-icing thermostat switch S201
adjustable: 7-9 1-3
fixed adjustment: 5-8 0.5-3.5
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