• PL11 is applicable to the field less than three switch
on-off cycles, especially applicable to instant start the
• PH11 series are Preheat Start
• 5VDC output function, 5VDC output: UV lamp
operating normally；OVDC output:UV lamp failed or
powered off. It may drive LED directly.
TUV PL-L 55W,G25T8,GPL55W,GFS55W,CUH55L
Wiring diagram: A
Wiring diagram: B
• Size of Ballast: 165*38*26mm
Mounting Distance: 161mm
• Size of Package: 460*280*140mm
Ballasts common problem met in usage and guarantee for quality
Question 1: Why ballast hasn't reaction?
Solutions: To check if the ballast is powered on. The input voltage value is consistent
with ballast's rating input voltage value, or not. To check if the power cord is correctly
Question 2: Ballast is powered on, but lamp isn't lit.
Solutions: Check the product specification,and to be sure the lamp is matched with
ballast Check if the lamp is correctly connected with ballast.
Question 3: The temperature of ballast enclosure is high.
Solutions: Due to the ballast is a kind of power product, heating is a normal
phenomenon. As long as the temperature of ballast enclosure is below
70℃ , the ballast can operate normally. If the customer thinks it's
over-heating, they may adopt air cooling.
Question 4: UV lamp tube's lightness is not enough, and lamp is red.
Solutions: To check if the lamp tube is match with ballast. To check if the environment
temperature is low, that may cause the lamp
Question 5: tube to be red, due to power is not enough.
lamp tube turns to black.
Solutions: To check if the lamp tube is match with ballast. To check if lamp is powered
on-off frequently. If the lamp need to be powered on-off frequently, the
customer should choose preheat type ballast.