Polo Mk3
1 - | Air conditioner service station |
q | With electronics and a purging programme e.g. air conditioner service station -VAS 6380- with purging device or air conditioner service station with purging device -VAS 6337-. |
q | If an air conditioner service station without purging programme is used, the sequence has to be carried out manually (evacuate, purge 3 times with at least 4 kg of refrigerant each time and extract refrigerant again, evacuate). |
2 - | Refrigerant hose of air conditioner service station |
q | From high-pressure side of air conditioner service station (normally coloured red) to connection for low-pressure side of air conditioner compressor on refrigerant circuit (larger diameter). |
3 - | Adapter to connection for low-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
4 - | Connection for low-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
q | On refrigerant line from air conditioner compressor to reservoir |
5 - | Connection to reservoir |
q | Different versions depending on vehicle → Chapter. |
q | On refrigerant line from air conditioner compressor to reservoir |
6 - | Adapter to bridge removed reservoir |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
7 - | Charging hose for refrigerant → Chapter |
q | For example charging hose -VAS 6338/31- (from adapter case VW/Audi passenger vehicle set -VAS 6338/1-). |
8 - | Adapter to bridge removed reservoir |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
9 - | Connection to reservoir |
q | Different versions depending on vehicle → Chapter. |
10 - | Evaporator |
11 - | Location of restrictor |
q | The restrictor is removed. |
q | Removing restrictor → Heating, air conditioning. |
12 - | Threaded connection in refrigerant line |
q | After removing the restrictor, screw back together again → Heating, air conditioning. |
13 - | Condenser |
14 - | Connection for high-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
15 - | Adapter to connection for high-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
16 - | Charging hose of purging device for refrigerant circuits |
q | From connection to high-pressure side of air conditioner compressor on refrigerant circuit (smaller diameter) to inlet of purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1-. |
17 - | Purging device for refrigerant circuits |
q | Different versions and different design e.g. purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1-. |
q | With filter, sight glass, safety valve, heating, refrigerant tank, etc. (depending on version). |
q | Depending on the design of the air conditioner service station and the purging device for refrigerant circuits, there may be a non-return valve installed at the outlet of the purging device for refrigerant circuits (to assure the correct direction of refrigerant flow during purging). |
18 - | Refrigerant hose of air conditioner service station |
q | From the low-pressure side of the air conditioner service station (normally coloured blue) to the outlet of the purging device for refrigerant circuits |
Note
|
1 - | Air conditioner service station |
q | With electronics and a purging programme e.g. air conditioner service station -VAS 6380- with purging device or air conditioner service station with purging device -VAS 6337-. |
– |
q | If an air conditioner service station is used which does not have a purging programme, then the sequence must be performed manually. |
– | Extract refrigerant, if there is any in the system. |
– | Connect purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1- between air conditioner service station and return line for refrigerant circuit. |
– | Evacuate refrigerant circuit for 20 minutes, then fill system with 4 kg of refrigerant R134a. Then extract again and repeat process two further times. If after the 3rd purging process the refrigerant in the sight glass/glasses is not clear, repeat process again. |
2 - | Refrigerant hose of air conditioner service station |
q | From high-pressure side of air conditioner service station (normally coloured red) to connection for low-pressure side of air conditioner compressor on refrigerant circuit (larger diameter). |
3 - | Adapter to connection for low-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
4 - | Connection for low-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
5 - | Adapter for removed expansion valve |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
6 - | Evaporator |
7 - | Connection to receiver |
q | Different versions depending on vehicle → Chapter. |
q | Not included on vehicles with a dryer cartridge in the receiver on the condenser or one in the receiver integrated within the condenser → Heating, air conditioning. |
8 - | Adapter to bridge removed receiver |
q | Not required on all vehicles. |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
9 - | Charging hose for refrigerant → Chapter |
q | For example charging hose -VAS 6338/31- (from adapter case VW/Audi passenger vehicle set -VAS 6338/1-). |
10 - | Condenser |
q | If there is a receiver with dryer cartridge installed on the condenser, the dryer cartridge must be removed (seal receiver again on or in condenser following removal) → Heating, air conditioning. |
q | If the receiver is attached directly to the condenser, remove the receiver after purging and renew → Heating, air conditioning. |
11 - | Connection for high-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
12 - | Adapter to connection for high-pressure side on refrigerant circuit |
q | Different versions depending on vehicle → Chapter. |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1-. |
13 - | Charging hose of purging device for refrigerant circuits |
q | From connection to high pressure side of air conditioner compressor on refrigerant circuit (smaller diameter) to inlet of purging device for refrigerant circuits. |
14 - | Purging device for refrigerant circuits |
q | Different versions and different design e.g. purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1-. |
q | With filter, sight glass, safety valve, heating, refrigerant tank, etc. (depending on version). |
q | Depending on the design of the air conditioner service station and the purging device for refrigerant circuits, there may be a non-return valve installed at the outlet of the purging device for refrigerant circuits (to assure the correct direction of refrigerant flow during purging). |
15 - | Refrigerant hose of air conditioner service station |
q | From the low-pressure side of the air conditioner service station (normally coloured blue) to the outlet of the purging device for refrigerant circuits |
16 - | Adapter to seal outlet to second evaporator |
q | Only required on certain vehicles with „2nd evaporator“ (optional equipment). |
q | From adapter case commercial vehicle set -VAS 6338/50-. |
17 - | Adapter to seal outlet to second evaporator |
q | Only required on certain vehicles with „2nd evaporator“ (optional equipment). |
q | From adapter case commercial vehicle set -VAS 6338/50-. |
18 - | Connection of low-pressure side on refrigerant circuit to second evaporator |
q | Different versions depending on vehicle → Chapter. |
q | Only fitted on certain vehicles with „2nd evaporator“ (optional equipment). |
19 - | Connection of high-pressure side on refrigerant circuit to second evaporator |
q | Different versions depending on vehicle → Chapter. |
q | Only fitted on certain vehicles with „2nd evaporator“ (optional equipment). |
20 - | Adapter for removed expansion valve on second evaporator |
q | Different versions depending on vehicle → Chapter. |
q | Only required on certain vehicles with „2nd evaporator“ (optional equipment). |
q | From adapter case commercial vehicle set -VAS 6338/50-. |
21 - | Second evaporator |
q | Only fitted on certain vehicles with „2nd evaporator“ (optional equipment). |
Note
|
1 - | Air conditioner service station |
Note
The electric compressor is purged manually. |
– | Extract refrigerant, if there is any in the system. |
– | Empty the used-oil container of the air conditioner service station. |
Note
Some air conditioner service stations first separate the oil in the vacuum phase and then fill it into the used-oil container. |
– | At the air conditioner service station, set the amount of refrigerant to 2 kg and the amount of oil to 0. |
– | Connect purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1- between air conditioner service station and return line for refrigerant circuit. |
– | Evacuate the refrigerant circuit for 10 minutes. Then observe the vacuum gauge. If the vacuum persists, fill 2 kg of R134a refrigerant into the circuit. Then, extract and evacuate again and repeat the process. |
2 - | Refrigerant hose of air conditioner service station |
q | From the low-pressure side of the air conditioner service station (normally coloured blue) to the outlet of the purging device for refrigerant circuits |
3 - | Purging device for refrigerant circuits |
q | Different versions and different design e.g. purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1-. |
q | With filter, sight glass, safety valve, heating, refrigerant tank, etc. (depending on version). |
q | Depending on the design of the air conditioner service station and the purging device for refrigerant circuits, there may be a non-return valve installed at the outlet of the purging device for refrigerant circuits (to assure the correct direction of refrigerant flow during purging). |
4 - | Charging hose of purging device for refrigerant circuits |
q | From connection to high-pressure side of air conditioner compressor on refrigerant circuit (smaller diameter) to inlet of purging device for refrigerant circuits -VAS 6336/1- or purging device for refrigerant circuits -VAS 6337/1-. |
5 - | Adapter to connection for high-pressure side on refrigerant circuit |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1- adapter No 6338/3. |
6 - | Refrigerant line on high-pressure side of electric compressor. |
– | Pull centring pin out. |
7 - | Electric compressor |
8 - | Refrigerant line on low-pressure side to electric compressor. |
– | Pull centring pin out. |
9 - | Adapter to connection for low-pressure side on refrigerant circuit |
q | From adapter case VW/Audi passenger vehicle set -VAS 6338/1- adapter No 6338/6. |
10 - | Refrigerant hose of air conditioner service station |
q | From high-pressure side of air conditioner service station (normally coloured red) to connection on low-pressure line above the engine to the electric compressor. |