System Introduction And Dimensions; System Introduction - Mitsubishi Electric PAAA18AA1 Installation Manual

2. System introduction and dimensions

2.1. System introduction

Vertical installation
Horizonal installation
© 2022 Mitsubishi Electric US, Inc.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
8
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 horizon-
tal installation)
8. Side drain pan primary
drain (for horizontal installa-
tion)
9. Side drain pan secondary
drain (for horizontal installa-
tion)
10. TH1 thermistor
11. ACH065 (Non-Adjustable
Thermostat, NAT)
12. Float switch
13. Furnace drain pan (not in-
cluded with PAA unit)
14. Inlet duct (not included
with PAA unit)
15. Top plate (for horizontal in-
stallation)
NOTE
Items 13 and
14 are for ref-
erence only
and are not
provided by
Mitsubishi
Electric US,
Inc.
Specifications are subject to change without notice.