4. System introduction
Vertical installations
Horizontal installations
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
10
1. PAA unit cabinet
2. Control box
3. Heat exchanger (hex)
4. Main drain pan
5. Main drain pan primary drain
6. Main drain pan secondary drain
7. Side drain pan (for horizontal
installation)
8. Side drain pan primary drain (for
horizontal installation)
9. Side drain pan secondary drain (for
horizontal installation)
10. TH1 thermistor
11. ACH065 (Non-Adjustable
Thermostat, NAT)
12. Float switch (installed at
secondary drain)
13. Auxiliary drain pan (not included
with PAA unit)
14. Inlet duct (not included with PAA
unit)
15. Top plate (for horizontal
installation)
NOTE
Items 13 and 14
are for reference only
and are not provided
by Mitsubishi Electric
US, Inc.
© 2022 Mitsubishi Electric US, Inc.