I
Machine type
Analogue Input
AI1
Master Liquid Cooler
Slave Dry Cooler
Master remote condenser
Slave remote condenser
AI2
Master Dry Cooler
Master remote condenser
All slaves
AI3
All (where present)
AI4
All
AI5
Remote condenser
Dry cooler
AI6
All
AI7
All
AI8
Type 4
Type 2,3,5,6
AI9
All (where present)
AI10
All
LU1W - User Manual
Configuration
Water outlet 1
Single water outlet (emergency)
Condensing Circuit 1
Single condensing (emergency)
Water outlet 2
Condensing Circuit 2
Remote master control
Measure pH
Outdoor temperature
Not used
Water inlet
Inside electrical panel temperature
Adiabatic panel flowmeter
Not used
Wet pressure transducer
Conductivity measurement
Not used
10
Type
Reference RE-W, RE-S, RE-T series of electrical
panels
NTC
SIGNAL: XA4 3-OUT
GND: XA4 2-OUT
NTC
SIGNAL: XA4 3-OUT
GND: XA4 2-OUT
4-20 mA
SIGNAL: XA4 3-OUT
+ 24V: XA4 1-OUT
4-20 mA
SIGNAL: XA4 3-OUT
+ 24V: XA4 1-OUT
NTC
SIGNAL: XA4 6-OUT
GND: XA4 5-OUT
4-20 mA
SIGNAL: XA4 6-OUT
+ 24V: XA4 4-OUT
0-10V/4-20mA
SIGNAL: XA4 6-OUT
GND: XA4 5-OUT
+ 24V: XA4 4-OUT
4-20 mA
From terminal pH 6 transducer
References pH electrode:
GND-SCREEN: XA4 19-OUT
SIGNAL: XA4 22-OUT
NTC
SIGNAL: XA4 9-OUT
GND: XA4 8-OUT
NTC
SIGNAL: XA4 12-OUT
GND: XA4 11-OUT
NTC
From ST1 temperature probe
4-20 mA
SIGNAL: XA4 15-OUT
+ 24V: XA4 13-OUT
4-20 mA
SIGNAL: XA4 18-OUT
+ 24V: XA4 16-OUT
4-20 mA
From CONDUCTIVITY transducer terminal 3
Conductivity electrode references:
INDOOR ELECT: XA4 20-OUT
OUTDOOR ELECT: XA4 23-OUT
COMPENSAT. TEMP.: XA4 21-OUT, 24-OUT
REV.1.1 – 07/11/2017 - ENG