Webasto BlueCool Classic

Webasto BlueCool Classic

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Luft-Heizgeräte

Marine Air Conditioning

Systems

Fresh-Air Units

03/2003

Operation

Settings

Trouble Shooting

BlueCool Classic

BlueCool Premium

Table of Contents

Questions and Answers:

L
Lauren ArnoldSep 12, 2025
What does 'Fan standby' mean on a Webasto Air Conditioner?
- J
  Joseph ZimmermanSep 12, 2025
  Fan standby indicates that blower operation from the TECC card or cabin controller is impossible because the discharge temperature is higher than the set point on cooling or lower on heating. To resolve this, run the compressor/unit for a certain time to reach the required discharge temperature. The blower fan will start, and the blinking error code bA11 will disappear automatically.
M
maxwell96Sep 13, 2025
Why is the temperature reading inaccurate on my Webasto Air Conditioner?
- A
  Angela RogersSep 13, 2025
  Inaccurate temperature readings for room/ambient temperature, water temperature (premium), or evaporator temperature (classic) can occur if the temperature sensor is not installed in the correct position, if there is interference from the environment, or if there is a read-out deviation. Check for interference from direct sunlight or heat radiation from components near the sensor. Calibrate the sensor or replace the defective sensor.
I
icordovaSep 15, 2025
Why are the pumps running continuously on my Webasto system?
- B
  Bryan LewisSep 15, 2025
  When additional relays are used to operate pumps, a small leaking current from the printboard may operate the relay continuously. To resolve this, remove R56 + C24 and/or R57 + C27 from the printboard.
W
William RichardsSep 16, 2025
Why do the seawater pumps run immediately after powering up my Webasto controller?
- D
  Dr. Terry Hayes MDSep 17, 2025
  If the seawater pump(s) run directly after powering up the controller, it could be because the wiring for pump 1 (seawater) is mixed up with the wiring for pump 2 (chilled water). Check the wiring to ensure it is correct.

Webasto BlueCool Classic Specifications

General

Brand	Webasto
Model	BlueCool Classic
Category	Air Conditioner
Language	English

Summary

Digital Control Panel Operation and Settings

Programming Premium Unit

Programming Level 2, Premium Card TECC 4.25

Configuration settings for programming level 2 on Premium Card TECC 4.25.

Programming Level 3 at 29 C, Premium Card TECC 4.25

Detailed programming parameters for level 3 at 29°C on Premium Card TECC 4.25.

Programming Level 3 at 15 C, Premium Card TECC 4.25

Detailed programming parameters for level 3 at 15°C on Premium Card TECC 4.25.

Programming Classic Unit

Programming Level 2, Classic Card TCC 5.25

Configuration settings for programming level 2 on Classic Card TCC 5.25.

Programming Level 3 at 29 C, Classic Card TCC 5.25

Detailed programming parameters for level 3 at 29°C on Classic Card TCC 5.25.

Programming Level 3 at 15 C, Classic Card TCC 5.25

Detailed programming parameters for level 3 at 15°C on Classic Card TCC 5.25.

Programming Fresh-Air

Visual Error Codes and Malfunctions

Details on error codes, their meanings, and troubleshooting steps.

Trouble Shooting

Failure Codes and Trouble Shooting

Comprehensive guide to identify and resolve system failures using codes and descriptions.

Trouble Shooting Controller Cards

Guidance on troubleshooting issues related to controller cards and TRIACs.

Electrical Diagrams

Classic, TCC V3

Wiring schematic for the Classic TCC V3 system.

Classic, TCC V3 WB200 Pump Kit

Electrical diagram for Classic TCC V3 with WB200 Pump Kit.

Classic, Multiple Units at One Pump

Diagram for Classic systems with multiple units connected to one pump.

Premium TECC V3, 1 and 2 Compressors

Wiring diagram for Premium TECC V3 with one or two compressors.

Premium TECC V3, Add-on 3 and 4 Compressors

Electrical diagram for Premium TECC V3 with 3 or 4 compressor add-ons.

Premium, Compressors

Diagrams showing compressor connections for Premium models.

Premium TECC V3 with External Heater

Wiring for Premium TECC V3 units incorporating an external heater.

Premium TECC V3 with Calorifier

Premium TECC V2, 1 Compressor

Premium TECC V2, Add-on 3 and 4 Compressors

Premium, MTH Mechanical Thermostat

Premium, CAB V3 Controller Card + MTH2 Thermostat + 3-way Valve

Premium, CAB V3 Controller Card + Plana Thermostat + 3-way Valve

Premium, CAB V3 Controller Card + Digital Display Panel + 3-way Valve

Premium, Silent 5-speed for Compact and Slimline Air Handlers

Premium, Convert Danfoss into Lizhan

Fresh-Air Units

Specific Heating Element Wiring for 48000 BTU FreshAir Control Boxes WBCL000221 B and C

Specific Heating Element Wiring for 48000 BTU FreshAir Control Box WBCL000221 D

Compressors

Unit Model with Rotary Compressor

Unit Model with Scroll Compressor

BlueCool Unit Performance Report

Check Running in Cool Cycle

Check Running in Heat Cycle

Refrigeration Cycle

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