Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual page 67

Screw
A maximum of two remote controls can be connected to one indoor unit (or one group of indoor units.)
Erectrical box
(Prepare on site)
Set SW1 to "Slave" for the slave remote control. It was factory set to "Master" for shipment.
Note: The setting "Remote control sensor enabled" is only selectable with the master remote
The indication when power source is supplied
When power source is turned on, the following is displayed on the remote control until the
communication between the remote control and indoor unit settled.
M4 screw 2 (Prepare on site)
The thin part
At the same time, a mark or a number will be displayed for two seconds first.
Upper
This is the software's administration number of the remote control, not an error cord.
Lower case
Lower
When remote control cannot communicate with the indoor unit for half an hour, the below indication will
Upper
appear.
Check wiring of the indoor unit and the outdoor unit etc.
Lower case
Lower
Connect the remote control cord to the
terminal block.
Connect the terminal of remote control (X,Y)
with the terminal of indoor unit (X,Y).
(X and Y are no polarity)
Wiring route is as shown in the right diagram
depending on the pulling out direction.
The wiring inside the remote control case should be within 0.3mm
The sheath should be peeled off inside the remote control case.
The peeling-off length of each wire is as below.
Pulling out from upper left Pulling out from upper center
X wiring : 215mm
Y wiring : 195mm
Install the upper case as before so as not to catch up the remote control cord, and tighten with
the screws.
In case of exposing cord, fix the cord on the wall with cord clamp so as not to slack.
Installation and wiring of remote control
Wiring of remote control should use 0.3mm
Maximum prolongation of remote control wiring is 600 m.
If the prolongation is over 100m, change to the size below.
But, wiring in the remote control case should be under 0.5mm
of the case according to wire connecting. Waterproof treatment is necessary at the wire
connecting section. Be careful about contact failure.
100 - 200m ......................... 0.5mm
Under 300m ....................... 0.75mm
Under 400m ....................... 1.25mm
Under 500m ....................... 2.0mm
Master/ slave setting when more than one remote controls are used
Indoor units
Remote control cord (no polarity)
Remote control Remote control
SW1 "Master" SW1 "Slave"
control in the position where you want to check room temperature.
The air-conditioner operation follows the last operation of the remote control regardless of the
master/ slave setting of it.
Master remote control : "
Slave remote control : "
U p p r e
Board
Lower W i r i
In case of pulling out from
upper left
X wiring : 170mm
Y wiring : 190mm
2 2 cores wires or cables. (on-site configuration)
2 . Change the wire size outside
2 2 cores
2
2 cores
2 2 cores
2 2 cores
Switch Setting
M Master remote control
SW1
S Slave remote control
Master
Slave
"
"
The left mark is only an
example. Other marks may
appear.
66
- -
Sheath
Sheath
U p p r e
Upper case
Upper case
Board
g n W i r i g n Lower
In case of pulling out from
upper center
2 (recommended) to 0.5mm 2 .
The peeling-off length
of sheath
Contents
Upper
Board
Lower
'19 • PAC-T-327
The range of temperature settin
When shipped, the range of set te
Heating : 16 ~ 30˚C (55 ~ 86˚F
Except heating (cooling, fan
Upper limit and lower lim
Upper limit setting: valid during
Lower limit setting: valid excep
79˚F).
When you set upper and lower
1. When TEMP RANGE SE
If upper limit value is set
During heating, you cannot
If lower limit value is set
During operation mode exce
2. When TEMP RANGE SE
If upper limit value is set
During heating, even if the v
But, the indication is the sam
If lower limit value is set
During except heating, even
But, the indication is the sam
How to set upper and lo
1. Stop the air-conditioner, an
seconds .
The indication changes to
2. Press button once, an
3. Press (SET) button
4. Select "UPPER LIMIT
5. Press (SET) button
6. When "UPPER LIMIT
Indication: "
Select the upper limit v
(blinking)
Press (SET) but
After the fixed upper lim
7. When "LOWER LIMIT
Indication: "
Select the lower limit va
(blinking)
Press (SET) but
After the fixed lower lim
8. Press ON/OFF button to
It is possible to finish by p
ON/OFF button on the w
unfinished change of setti
unavailable.
During setting, if you pres
(RESET) button, you retur
previous screen.
"
SE
"
SE