Page 24 - WENZHOU ZHUOCHAO ELECTRIC CO.,LTD.
P. 24
Product model and meaning
LW 8D - □ · □ □ □ - □
Special code
Panel type
Contact system section number
Operation chart serial number
Characteristic code
Conventional heating current value
Design code
Universal change-over switch
LW 8D - □ · □ / □
Maximum capacity of controllable AC motor
Purpose code:Q1 Direct starting
N1 Reversible change-over
S1 Dual-speed motor speed variation
Conventional heating current value
Design code
Universal change-over switch
Normal operating conditions Classificatio
a)Upper limit of ambient air temperature is +40℃ while lower limit is 5.1 Classify by purpose: a) Used for master control; b) Used for
-25℃ . Average temperature within 24 hours does not exceed directly controlling three-phase AC motor.
+35℃ ; 5.2 Classify by operating mode: a)Positioning type; b)Self-resetting
b)The altitude of installation site does not exceed 2000m; type.
c)When ambient air temperature is +40℃ , air relative humidity 5.3 Classify by contact system section number: a)Positioning type
does not exceed 50%, higher relative humidity is allowed at a has 1~10 sections; b) Self-resetting type has 1~3 sections.
lower temperature. When monthly average temperature of the 5.4 Classify by panel type: a) Square; b) Circular.
wettest month does not exceed +25℃ , monthly average maximum 5.5 See Table 1 for classification by operating mode and actuator
relative humidity should not exceed 90%. position combination.
d)Pollution class and installation category are class 3 and category
III respectively.
Table1
Operating Characteristics
Actuator position
mode code
Self-resetting A 0° 45°
type B 45° 0° 45°
C 0° 45°
D 45° 0° 45°
E 90° 45° 45° 90°
F 90° 45° 0° 45° 90°
G 90° 45° 0° 45° 90° 135°
H 45° 0° 45° 90°
Positioning I 90° 45° 0° 45° 90°
type J 90° 45° 0° 45° 90° 135°
K 135° 90° 45° 0° 45° 90° 135°
L 135° 90° 45° 0° 45° 90° 135° 180°
M 120° 90° 60° 30° 0° 30° 60° 90° 120°
N 45° 45°
P 90° 0° 90°
R 0° 90° 180° 270°
P 20