Mr. Slim MXZ Series Guide Specification ©July 2011 Mitsubishi Electric / HVAC 23/51
4.04. Ceiling Suspended PCA-A24KA4 Indoor Unit:
A. General:
The indoor unit shall be fully factory assembled, wired and run tested prior to shipment.
Contained within the indoor unit shall be all factory wiring, piping, control circuit board,
fan, and fan motor. The unit shall have a self-diagnostic function, 3-minute restart time
delay mechanism, an auto restart function, an emergency / test operation. Indoor unit shall
be charged with dry air before shipment from factory.
B. Unit Cabinet:
1. The casing shall have a white finish– Munsell 6.4Y 8.9/0.4.
2. Cabinet shall be designed for suspension mounting from above and horizontal operation.
Indoor unit shall have removable mounting brackets. A mounting template with
suspension bolt locations shall be furnished with indoor unit. Mounting bolts or threaded
rod of 3/8” diameter shall be used to suspend unit and unit shall not require direct
contact with ceiling or panel for proper operation. Mounting support shall be of
sufficient strength and design to support full weight of indoor unit. The rear cabinet
panel shall have knock-out provisions for a field installed filtered 4-5/16 diameter
ventilation air intake connection.
C. Fan:
1. The indoor unit fan shall have multiple high performance, double inlet, forward curve
sirocco fans driven by a single motor.
2. The fan shall be statically and dynamically balanced and run on a motor with
permanently lubricated bearing.
3. There shall be a motorized horizontal vane to automatically direct air flow in a
horizontal and downward direction for uniform air distribution. The horizontal vane
shall provide a choice of five (5) vertical airflow patterns selected by remote control:
100% horizontal flow, 80% horizontal flow (plus 20% downward airflow), 60%
horizontal airflow (plus 40% downward airflow), 40% horizontal airflow (plus 60%
downward airflow), and swing. The horizontal vane shall significantly decrease
downward air resistance for lower sound levels, and shall close the outlet port when
operation is stopped.
4. There shall also be a set of vertical vanes to provide horizontal swing airflow movement
selected by remote control.
5. The indoor fan shall operate at one of five (4) speeds: Hi, M2, M1 and Low plus Auto
Fan Mode that will adjust the fan speed based on the difference between controller set-
point and sensed space temperature.
6. Indoor unit sound level shall not exceed:
Model / Speed Hi M2 M1 Low
PCA-A24KA4 40 dB(A) 37 dB(A) 35 dB(A) 33 dB(A)
D. Filter:
1. Return air shall be filtered by means of an easily removable, washable filter. [An
optional MERV 8 filter shall be furnished].
E. Coil:
(32 pages)
(24 pages)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Commentaires sur ces manuels