IHKA Climate Control System (E39): Introduction: Components
The major components of the IHKA E39 heater case include:
- Two heater cores with separate inlets and one common outlet.
- Two heater core temperature sensors and one evaporator temperature sensor.
- One evaporator with expansion valve.
- Five stepper motors (six as of 9/97) - four on the M-Bus link and one conventionally controlled.
- One auxiliary water pump.
- One blower motor and relay with final stage output control (final stage located in air flow on passenger side of IHKA housing).