Installation Method; Diagram Of Overall Product Configuration - LG PDI Premium PQNUD1S40 Installation & Owner's Manual

INSTALLATION METHOD

8
INSTALLATION METHOD
Diagram of overall product configuration
• Independent Operation without Central Controller
Pulse signal wire
Water pipe
! CAUTION
• Use the meter for remote reading by sending the pulse signal.
• Use the meter with the pulse width of 50 ms or more.
• The meter pulse must be able to sink at least 3 mA or more of current in the PDI.
• Use the meter of 1/Pulse, 2/Pulse, 4/Pulse, 6/Pulse, 8/Pulse, 10/Pulse, 100/Pulse, UT/Pr
(1 – 50 000).
• Maximum of 8 meters can be installed.
• The distance between PDI and meter should be shorter than 10 m in normal circumstance.
• When electrical or mechanical noise is expected, more shorter wiring is needed.
ROOM
ROOM
Pulse
Signal
POWER
PQNUD1S40
Flow Meter
Flow Meter
Pulse
Signal
WHM
MENU
SELECT
WHM CHECK
ODU
Water