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BEFORE INSTALLATION
12
CAUTION
!
• AHU Operation range
- For Installation of Room thermistor, always install that to the inlet of Heat Exchanger.
Otherwise, it may cause to be not operating properly.
- Range of the inlet Air temperature of Heat Exchanger is 18 ~ 40 °C for cooling & 5 ~
30 °C for heating. If that's temperature is under 18 °C for cooling & over 30 °C for heat-
ing, this system is possible to operate ON and OFF because of protection logic of sys-
tem.
No
Connection condition
100% Fresh Air Intake
1
AHU only are connect-
ed with outdoor units
Mixture connection
with general AHU and
2
100% Fresh Air Intake
AHU.
1) The total capacity of 100% Fresh Air Intake AHU should
be 50~100% of outdoor unit.
1) The total capacity of system's (IDU + 100% Fresh Air
Intake AHU) should be 50~100% of outdoor unit.
2) The total capacity of 100% Fresh Air Intake AHU should
be less than 30% of the outdoor units.
Combination
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