奔驰空调系统220 HVAC.pdf

W220 HVAC
507 HO HVAC 220
1
(ACB, IC) 10-30-02
These technical training materials are current as of the date noted on the materials, and may be revised or
updated without notice. Always check for revised or updated information.
To help avoid personal injury to you or others, and to avoid damage to the vehicle on which you are working,
you must always refer to the latest Mercedes-Benz Technical Publication and follow all pertinent instructions
when testing, diagnosing or making repair.
Illustrations and descriptions in this training reference are based on preliminary information and may not
correspond to the final US version vehicles. Refer to the official introduction manual and WIS when available.
Copyright Mercedes-Benz USA, LLC, 2002
Reproduction by any means or by any information storage and retrieval system or translation in whole or part
is not permitted without written authorization from Mercedes-Benz USA, LLC or its essors.
Published by Mercedes-Benz USA, LLC
Printed in U. .
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Contents
System . and
Function
Flap Motors
Ventilation
Filtration
CAN Data
Temperature Control
Rear A/C
Sensors
3
Course Objectives
At the conclusion of this section, the technician will:
• Identify the climate control system used on W220
• Locate climate ponents and serviceable items
• Describe the function of climate control systems and ponents
• Demonstrate proficiency in operation of AAC pleting shop modules
• Demonstrate ability to test AAC using SDS / DAS pleting shop
modules
4
A/C Pushbutton Control Module (N22)
The automatic air conditioning pushbutton control module makes it possible
to make adjustments to:
• Interior temperature • A/pressor activation
• Manual / automatic air blower • Front defroster
• Manual / automatic air distribution • Activated charcoal filter
• Recirculating air • Rear window heater
• Residual engine heat utilization (REST)
WIS -p-2000IA 5
Climate Control Air Delivery
“A