6.3 Electrical
Installation
●
Use an ELB (Electric Leakage Breaker). If not used, it will cause an electric shock or a fire.
●
Do not operate the system until all the check points have been cleared.
(A) Check to ensure that the insulation resistance is more than 2MΩ, by measuring the resistance between
ground and the terminal of the electrical parts. If not, do not operate the system until the electrical leakage
is found and repaired.
(B) Check to ensure that the stop valves of the outdoor unit are fully opened and then start the system.
●
Pay attention to the following items while the system is running.
(A) Do not touch any of the parts by hand at the discharge gas side, since the compressor chamber and the
pipes at the discharge side are heated higher than 90
℃
.
(B) DO NOT PUSH THE BUTTON OF THE MAGNETIC SWITCH (ES). It will cause a serious accident.
19
Model Capacity(Btu/h)
Transmitting Cable Size
EN60335-1
0
30
~1
60
2
4
×
1
.
5mm
Max. Running Current(A): REFER TO NAMEPLATE
NOTES
:
1) Follow local codes and regulations when selecting field wires.
2) The wire sizes marked in the table are selected at the maximus current of the unit according to the
European Standard ,En60 335-1.Use the wires which are not lighter than the ordinary polychloroprene
sheathed flexible cord (code designation H07RN-F) .
When connecting the terminal block using flexible cord, make sure to use the round crimp-style terminal
for connection to the power supply terminal block.
Place the round crimp-style terminals on the wires up to the covered
part and secure in place.
When connecting the terminal block using a single core
wire, be sure to perform curing.
3) When transmitting cable length is more than 15 meters, a larger wire size should be selected.
4) Use a shielded cable for the transmitting circuit and connect it to ground.
5) In the case that power cables are connected in series, add each unit maximum current and select wires below.
*
In the case that current exceeds 63A, do not connect cables in series.
covered part
Flexible cord
Round crimp-style terminal
Terminal
Single core wire
Current i(A)
2
Wire Size(mm)
i
≤
6
0
.
75
6
＜
i
≤
10
1
10
＜
i
≤
16
1
.
5
16
＜
i
≤
25
2
.
5
25
＜
i
≤
32
4
32
＜
i
≤
40
6
40
＜
i
≤
63
10
63
＜
i
*
Selection According to EN60335-1
7. Trial Run
Please perform trial run according to outdoor unit installation manual.
DC Inverter E
-
Series
Duct Type
Unit
