Service Manual

GSM-204-323
Thermal management system (TMS)
31st Oct 01
Tech. 3–6
Technical Description: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W02-A
Heat exchanger
functional
diagram
Figure 3-2 shows a representation of the airflow paths through the
Horizon
macro outdoor cabinet.
RECUPERATORS
Horizon macro
outdoor
BTS CABINET
CABINET
EQUIPMENT
TMS UNIT
RECIRCULATION
AIRFLOW
AMBIENT
AIRFLOW
RECIRCULATION
FAN
AMBIENT FAN
HEATER
ELEMENT
HEATER
ELEMENTS
SIDE ELEVATION VIEW OF
RECIRCULATION AIRFLOW
THROUGH CABINET
PLAN VIEW OF AIRFLOW
THROUGH TMS UNIT
KEY
HEATER
FUNCTION LED
TMS
TEMPERATURE
SENSOR
HEATER
FUNCTION LED
Figure 3-2 Functional diagram of TMS airflow