U-Match Series Cassette Type Unit
36
between indoor and outdoor units. The maximum length is 100m. Please
select a proper length according to local conditions. Communication cords
must not be twisted together. To be in compliance IOS5151, it is necessary
to use 8 meters long wire.
⑦
.
Adopt 2pc of 0.75mm² power cords to be the communication cords
between wired control and indoor unit. The maximum length is 30m.
Please select a proper length according to local conditions.
Communication cords must not be twisted together. To be in compliance
IOS5151, it is necessary to use 8 meters long wire.
⑧
.
The wire gauge of communication cord should not be less than 0.75mm².
It’s recommended to use 0.75mm² power cords as the communication
cords.
⑨
.
Calculation of the maximum permissible system impedance:
a) To be in compliance with EN 61000-3-11, impedance value of
power-supply system connected to product must be less than or equal
to the allowable maximum value of |Z
sys
| in the following sheet:
Models
Max |Z
sys
| unit:ohms
GU50W/A1-K
0.170
GU71W/A1-K
0.090
GU85W/A1-K
0.071
GU100W/A1-M
0.416
GU125W/A1-M
0.142
GU140W/A1-M
0.173
GU160W/A1-M
0.193
b) Before connecting the product to public power network, please consult
your local power supply authority to ensure that the power network has
met the above requirements. No requirement for the unlisted product’s
impedance value of power-supply system.
3.3.3 Connection of Power Cord and Communication Cord
(1) For solid wires (as shown below):
1) Use wire cutters to cut off the wire end and then peel away about
25mm of the insulation layer.
Содержание U-Match GU100T/A1-K
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