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(3) Installing hole when the Signal Receiving Unit is installed on the wall direct.
• Cut the thin-wall portion inside the bottom case (oblique section) by a knife or a nipper.
• Take out the connected remote control cord to the terminal brock through this space.
(4) Seal the Signal Receiving Unit cord lead-in hole with putty in order to prevent the possible entry of dew, water
droplets, cockroaches, other insects, etc.
• When installing on the switch box, seal the con-
nections between the switch box and wiring
pipe with putty.
When using the switch box
Wall
200 (7-7/8)
(5) Install the lower case on the switch box or directly on the wall.
(6) Install the cover
6
Test Run
Refer to the installation manual for wireless remote controller for how to perform the test run.
7
Possible Combinations of Signal Receiving Units and Remote Controllers
When the Signal Receiving Unit and other types of remote controller are used together, the following combinations must be used.
• Possible combinations of remote controllers
Indoor unit function
• Models with 1°F tempera-
ture setting
• Models with maintenance
function
• Models without 1°F tem-
perature setting
• Models without mainte-
nance function
RX:
Signal Receiving Unit (PAR-FA32MA)
MA(20): MA remote controller (PAR-20MAA)
This product is designed and intended for use in a residential, commercial or light-industrial environment.
The product at hand is based on the following EU regulations:
∗ Electromagnetic Compatibility Directive 89/336/EEC
Remote control
cord (Accessory)
Wiring pipe
Locknut
Bushing
Switch box
Seal around here
with putty
Main remote controller
MA(20)/RX(31)
RX
RX
MA(21)
RX
All combinations shown above
• When opening a hole using a drill for Signal Receiving Unit cord (or tak-
ing the cord out of the back of the Signal Receiving Unit), seal that hole
with putty.
• When routing the cord via the portion cut off from the upper case, equally
seal that portion with putty.
When installing directly on the wall
Seal around here
with putty
Sub remote controller
RX
MA(20)/RX(31)
RX
RX
MA(21)
RX(31): PAR-FA31MA (Old model)
MA(21): MA remote controller (PAR-21MAA)
Thin-wall protion
Remote control cord
Seal around here
with putty
Screw (M4 × 30)
∗ When installing the lower case directly on
the wall or the ceiling, use wood screws.
Availability
Available
The temperature cannot be set in increments
of 1°F using wireless remote controller.
Not available
Available
Available
Not available
Available
Bottom case
4
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