Derating Depending On Ambient Temperature; L8-12: Ambient Temperature Setting; L8-35: Installation Method Selection - YASKAWA GA800 GA80U Series Installation Manual

5.3

Derating Depending on Ambient Temperature

When you install drives in a place where ambient temperatures are higher than the rated conditions or install drives
side-by-side in the enclosure panel, set L8-12 [Ambient Temperature Setting] and L8-35 [Installation Method
Selection]. Derate the output current as specified in
A - L8-35 = 0
B - L8-35 = 2, L8-35 = 3
◆

L8-12: Ambient Temperature Setting

No.
Name
(Hex.)
L8-12 Ambient Temperature
Setting
(04B8)
The drive automatically adjusts the drive rated current to the best value as specified by the set temperature. Set the
ambient temperature of the area where you install the drive to a value that is more than the drive rating.
Refer to Derating Depending on Ambient Temperature on page 93
ambient temperature.
◆

L8-35: Installation Method Selection

No.
Name
(Hex.)
L8-35 Installation Method
Selection
(04EC)
Note:
• Parameter A1-03 [Initialize Parameters] does not initialize this parameter.
• This parameter is set to the correct value when the drive is shipped. Change the value only in these conditions:
–Side-by-Side installation
–When you install a UL Type 1 kit on an IP20/UL Open Type drive to convert the drive to an IP20/UL Type 1 drive.
The overload protection detection level for the drive is automatically adjusted to the optimal value in accordance with
the setting value. Refer to
specified by ambient temperature.
0 : IP20/UL Open Type/Ex Heatsink
Use this setting to install IP20/UL Open Type drives or when the heatsink (cooling fin) is outside the enclosure panel.
Make sure that there is 30 mm (1.18 in) minimum of space between drives or between the drive and side of the
enclosure panel.
1 : Side-by-Side Mounting
Use this setting to install more than one drive side-by-side.
YASKAWA TOEPC71061779E GA800 DRIVE INSTALLATION MANUAL
Figure
Figure 5.1 Derating Depending on Drive Installation Method
V/f CL-V/f OLV CLV
Sets the ambient temperature of the drive installation area.
V/f CL-V/f OLV CLV
Sets the type of drive installation.
Derating Depending on Ambient Temperature on page 93

5.3 Derating Depending on Ambient Temperature

5.1.
C - L8-35 = 1
Description
AOLV OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
for information about derating depending on
Description
AOLV OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Default
(Range)
40 °C
(-10 °C - +50 °C)
Default
(Range)
Determined by the drive
(0 - 3)
for information about derating as
5
93