Mitsubishi Electric Mr. SLIM PCA-A GA Series, Installation Manual

Page: 10 / 32

10
A
AB TB6
B
Fig. 6-4
2) Connecting procedures (Fig. 6-4)
1 Connect the remote controller cord to the terminal block.
A
To TB5 on the indoor unit
B
TB6 (No polarity)
3) Two remote controllers setting.
If two remote controllers are connected, set one to “Main” and the other to “Sub”. For
setting procedures, refer to “Function selection of remote controller” in the operation
manual for the indoor unit.
6.2.2. For wireless remote controller
1) Installation area
• Area in which the remote controller is not exposed to direct sunshine.
• Area in which there is no nearby heating source.
• Area in which the remote controller is not exposed to cold (or hot) winds.
• Area in which the remote controller can be operated easily.
• Area in which the remote controller is beyond the reach of children.
2) Installation method (Fig. 6-5)
1
Attach the remote controller holder to the desired location using two tapping screws.
2
Place the lower end of the controller into the holder.
A
Remote controller
B
Wall
C
Display panel
D
Receiver
• The signal can travel up to approximately 7 meters, 23 ft (in a straight line) within 45
degrees to both right and left of the center line of the receiver.
3) Setting (Fig. 6-6)
1
Insert batteries.
2
Press the SET button with something sharp at the end.
MODEL SELECT
blinks and Model No. is lighted.
3
Press the temp button to set the Model No.
4
Press the SET button with something sharp at the end.
MODEL SELECT
and Model No. are lighted for three seconds, then turned off.
Indoor Outdoor
A
Model No.
PLA, PCA, PKA (A12, A18)
heat pump models 001
cooling only models 033
4) Assigning a remote controller to each unit (Fig. 6-7)
Each unit can be operated only by the assigned remote controller.
Make sure each pair of an indoor unit PC board and a remote controller is assigned
to the same pair No.
5) Wireless remote controller pair number setting operation
1
Press the SET button with something sharp at the end.
Start this operation from the status of remote controller display turned off.
MODEL SELECT
blinks and Model No. is lighted.
2 Press the
min
button twice continuously.
Pair No. “0” blinks.
3
Press the temp button to set the pair number you want to set.
4 Press the SET button with something sharp at the end.
Set pair number is lighted for three seconds then turned off.
D
B
1
C
A
2
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET SET CLOCK
MODEL SELECT
2
,
4
3
A
Fig. 6-5
Fig. 6-6
Fig. 6-7
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET SET CLOCK
MODEL SELECT
1
,
4
3
A
2
6.2. Remote controller
6.2.1. For wired remote controller
1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 6-2)
The temperature sensors are located on both remote controller and indoor unit.
s
Procure the following parts locally:
Two piece switch box
Thin copper conduit tube
Lock nuts and bushings
A Remote controller profile
B
Required clearances surrounding the remote controller
C Installation pitch
(2) Seal the service entrance for the remote controller cord with putty to prevent pos-
sible invasion of dew drops, water, cockroaches or worms. (Fig. 6-3)
A
For installation in the switch box:
B
For direct installation on the wall select one of the following:
• Prepare a hole through the wall to pass the remote controller cord (in order to run
the remote controller cord from the back), then seal the hole with putty.
• Run the remote controller cord through the cut-out upper case, then seal the cut-
out notch with putty similarly as above.
B-1. To lead the remote controller cord from the back of the controller:
B-2. To run the remote controller cord through the upper portion:
(3) For direct installation on the wall
C Wall
D
Conduit
E Lock nut
F
Bushing
1-3/16
1-37/64
1-3/16
1-3/16
4-23/32
3-9/32
A
B
C
F
A
H
C
D
E
G
I
I
I
H
B
B-1. B-2.
Fig. 6-3
Fig. 6-2
J
H
G
Switch box
H
Remote controller cord
I
Seal with putty
J
Wood screw
(inch)
A
Pair No. of wireless remote controller Indoor PC board
0 Factory setting
1 Cut J41
2 Cut J42
3–9 Cut J41, J42
6. Electrical work
PKA (A24, A30, A36)
heat pump models 003
cooling only models 035
BG79U827H01_en 06.5.18, 10:13 10