Runxin N74Q1 Quick Start Manual

Multi-functional Flow Control Valve for
1. Basic Setting & Usage
1.1 The Function of PC Board
A. Button lock indicator
When the fourth decimal point of digital tube turns on, it indicates the
buttons are locked. At this moment any single button will not work (No
operation in one minute, the fourth decimal point of the digital tube will light
on and lock the buttons.)
 Solution: Press and hold both
point lights off.
Water Treatment Systems
65510 (Old Model No.: N74Q1)
65610 (Old Model No.: N74Q3)
55510 (Old Model No.: N75Q1)
55610 (Old Model No.: N75Q3)
and for 5 seconds until the decimal
1