Volkswagen Polo Service & Repair Manual: Electrical Components Not on Refrigerant Circuit

A/C Compressor Regulator Valve -N280

  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

A/C Programmer -J127

This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the fr ...

Other materials:

Introduction
This chapter contains information on the following subjects:  → Seat heating Additional information and warnings: Adjusting the seat position Seat belts Airbag system Child seats (accessories) Exterior mirrors Luggage compartment WARNING Incorrec ...

Charge Factor
A vessel must have space for vapor as well as liquid. As the temperature rises, the liquid expands. The space filled with vapor decreases. At a certain point, there will only be liquid in the vessel. Beyond this, even a slight increase in temperature cau ...

Refrigerant Circuit with Expansion Valve and Evaporator
1 -  Evaporator 2 -  Expansion Valve 3 -  Valve for extracting, filling and measuring 4 -  Receiver/dryer with dryer bag/dryer cartridge ...