Specifications

-40-
8. LCD remote controller (PAC-204RC)
Switch box for
two units
Seal the wire lead-in hole completely with putty
Connecting wire
Pan-head screws
with cross holes
When installing
on switch box
Connect to
terminal
Outline (Key cover open)
Note. *1: This function can not use at above models, because the fan speed of these models is constant.
*2: If need this function, please consult your local MITSUBISHI ELECTRIC SALES office for application
advice on this function.
*3: This function can change by customer self.
If this function use, The unit will auto start at power supply come back after power failure.
Factory pre setting
PRHG setting
DIP Switch 1 DIP Switch 3 DIP Switch 4
Mode select Heat pump
DIP Switch 2
Fan speed Hi / Lo (*1)
ON
Auto change over function (*2)
OFF
Auto start at Power failure (*3)
Not Available(Hi)
ON OFF ON OFF ON OFF
Cooling only
Available
Available Not Available
Not Available Automatically
FUNCTION
(change) (Not change) (*2) (*3)
TB1
DIP SW
TB2
1
ON
234
Controller board
COMP2
COMP1
4W V
ERROR
24VAC (N)
24VAC (L)
FAN HI
FAN LO
EXT
SENSOR
JH
INT / EXT
Refer to 8-4
Refer to 9 (2)
Refer to 8-5
8.1. Confirmation of parts
The following parts are contained in the carton box together with this manual.
Please check to make sure that everything is included.
Q’TY
Remote controller (upper case, lower case) 1
Pan-head screw with cross hole M4 2
Wooden screw 4.1×16 (for installing unit directly on a wall) 2
Instruction manual 1
8.2. Outline and inside drawing
8.3. Installation
(1) Decide where you want to install the LCD remote controller (switch box)
In deciding, please observe the following precautions:
Do not install the LCD remote controller in locations, which are:
• Exposed to direct sunlight. • Susceptible to humidity and moisture.
• Near a source of heat. • Near machines emitting high-frequency waves. (High-frequency welders, etc.)
1) Procure the following parts locally : Switch box for two units
Connecting wire (Length : below 20m size : 0.75mm
2
)
Lock nut, bushing
(2) Install the lower case on the switch box.
8.4. Setting DIP switch
Set the DIP switches on the basis of the below table.
Caution:
• Over-tightening the screws can cause deformation
and/or cracks on the lower case.
• Install the LCD remote controller on a wall with flat
surface. Installation on an uneven surface can cause
cracks on the LCD and other failures.
Caution:
• Press the case until it snaps shut.
• To use, remove the protective sheet on the operation
section.
Caution:
• Press the case until it snaps shut.
• To use, remove the protective sheet on the operation
section.
Snap the upper case into place. Hook the two
upper claws into their slots, and shut the lower
part as shown in the right diagram.
To remove the upper case, insert a
screwdriver(-) into one of the slots and
slide it in the direction of the arrow
shown in the diagram on the right.