Thru Mount Thermoelectric Air Conditioners
MAA050T-12
The MAA050T-12 Thermoelectric air conditioner is
designed for small electronic cabinets and environ-
mental chambers. It can cool to 68˚F below ambient
or maintain ambient temperatures while removing up
to 50 BTU/Hr (@ 77˚F ambient). Because there is no
air exchanged between the cabinet and the ambient,
the MAA050T-12 is ideal for NEMA 12 requirements.
This air conditioner is virtually maintenance-free,
with no filters to change, and can be mounted in any
orientation, offering design flexibility with solid-state
reliability.
Wiring Schematic (Power Connector)
4
3
2
1
Position
1
Description
TEC +
TEC
Model MAA050T-12
2
3
4
-
-
FAN +
FAN
Specifications:
Model:
Capacity
Input Voltage
Max. Ambient Temp.**
Current (Running)
Weight
Rating Maintained
Overall Dimensions
MAA050T-12
50 BTU/Hr (15 Watts)
12 VDC
140˚F / 60˚ C
3.0 amps
1.8 lbs. (0.82 kg)
NEMA 12
4.5” H x 4.5” W x 6.0” D
(114mm x 114mm x 152mm)
Model Number Nomenclature
M A A 050 T
–
12
DC Voltage
Thru Mount
Capacity (BTU/Hr)
Ambient Side (Air)
Cabinet Side (Air)
MELCOR
** Consult MELCOR for higher ambient temperature.
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1040 Spruce Street • Trenton, NJ 08648 • TEL: 609-393-4178 • FAX: 609-393-9461 • WEB: www.melcor.com • E-Mail: tecooler@melcor.com
Thru Mount Thermoelectric Air Conditioners
Performance Curve: MAA050T-12
Q Required (Watts)
3
10
0
-10
-20
-30
-40
-50
0
10
20
30
40
50
Q Required (BTU/HR)
60
70
77˚F (25˚C)
Ambient
6
9
12
15
18
21
18
0
-18
Important:
The air conditioner performance curves
are dependent upon active
and passive heat loads. To calculate
passive cabinet heat gain, see the
instructions on pages 6 and 7.
For assistance contact MELCOR.
T (˚F)
T (˚C)
140˚F (60˚C)
Ambient
-36
-54
-72
-90
T = Tmax Cabinet - Tmax Ambient
Installation Cutout
Dimensional Drawing
Inches (mm)
1040 Spruce Street • Trenton, NJ 08648 • TEL: 609-393-4178 • FAX: 609-393-9461 • WEB: www.melcor.com • E-Mail: tecooler@melcor.com
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