Webasto BCT010300C Repair Manual download pdf (Page 12)

Functional Description

Webasto Product N.A., Inc. 10 www.techwebasto.com

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3.3 Discharge Mode (Bunk Cooling)

3.3.1 Vehicle Key OFF - no 12V reference signal present at control module.

Whenever the Vehicle key is switched off (engine stopped), the discharge cycle (bunk cooling) is automatically available

on demand to the vehicle operator when desired.

Two control dials on the face of the control module are provided for climate control within the sleeper area. One

controls fan speed and the other controls the temperature to maintain a desired comfort level between 68 and 78

degrees Fahrenheit (20 - 25.5 °C).

Figure 12. Control Panel

3.3.2 Operation

The chilled coolant mixture is circulated by way of a small coolant pump from the storage unit to the air-handler unit

(heat exchanger) in the cab and back to the storage unit.

The air-handler fans draw in warm bunk area air and forces it across the exchanger where it gives up it’s heat to the

chilled mixture circulating through the exchanger. The cooled air is returned to the bunk area of the vehicle through

four adjustable openings on the air-handler.

The maximum allowable runtime during discharge mode is 10 hours at which time, the control module will

automatically switch the system off.

A. Sleeper Air-handler Cover

B. Fully Adjustable Cool Air Outlet Vents - Position as

desired.

C. Control Panel

D. Temperature Control

E. Fan Speed Control

F. Warm Air Inlet Grid

AIR CONDITIONING

Figure 13. Air-handler

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Webasto BCT010300C Repair Manual Page 12