6 Outdoor wiring
1 The outdoor unit has been infused with refrigerant before delivery and more
,
refrigerant need to be infused only when the connecting pipe is longer than
m
20 .
2 Quantity for refrigerant infusing
g refrigerant for every m added The longest
:
1
.
piping for this unit is
m
40 .
(1)
"
756
.
Perform according to
rocedures for refrigerant piping connection” until the vacuum is higher than
mmHg
P
(2)
.
Open the block valve of gas pipe
(3)
"
.
Slightly open the liquid pipe block valve and set the controlling switch at
ooling” to operate the compressor
C
(4)
Connect the opening of steel refrigerant bottle to the checking point of liquid block valve and then infuse proper
refrigerant
.
(5)
.
The liquid pipe block valve must be opened after infusing the refrigerant
Refrigerant Infusing
Note:
1.
Place scale the infused refrigerant carefully since accidents will be incurred with either too more
or too less refrigerant infused
.
2.
.
There should be no air permeated into the pipe when infusing the refrigerant
Attention:
Please verify that it is the null line that connects with the N port of the terminal board
.
Do not connect the power cord to the terminal
on the terminal board of indoor outdoor
1, 2, 4
/
unit
the necessary earthing wire Make sure that the power cord has been fixed with the
. "
"
;
cover strip as shown in the figure Cover back the plastic strip to the terminal board after
;
wiring
.
!
Note:
Wire clamp
Yellow/green
(for earthing)
R L
/ 1
S L
/ 2
T L
/ 3
MP N
/
1
2
3
4
1
2
3
4
1
2
3
4
Connecting wire for
indoor outdoor signal
/
Power cord for
outdoor unit
1
2
3
4
1 2 3 4
1
2
3
4
R L
/ 1
S L
/ 2
T L
/ 3
MP N
/
R L
/ 1
S L
/ 2
T L
/ 3
MP N
/
1
2
3
4
(1)
·
).
(2)
,
,
. 14.
(3)
"
"
/
.
Join the connecting cable correctly according to the wiring diagram.
(Tightening torque 0.8~1.5N m
The connecting cables are pressed by wire clamp and then fixed with
screws as shown in Fig
The earthing wire must be connected to the terminal block marked with
through yellow green lead among the connecting cables
Figure
for wiring reference only
14 (
)
7
.
3 Procedures for refrigerant infusing:
55
