Honeywell 4973 Series Manual Do Utilizador
Electrical
Connections
10/07
Installation and Maintenance Manual
11
Figure 4-2 Installation Diagram, 4973 Cells, with Integral Cable Leads Directly Connected
to UDA2182 Analyzer or Connected to Junction Box
YELLOW
COAX
50
20 OR 50 FT. CABLE LENGTH.
Direct Cell to Analyzer Installation
NOTES
5.
5.
FOR PURE WATER SAMPLES IN NON-CONDUCTIVE (PLASTIC, GLASS, ETC.) PIPING, GROUND
THE BLACK CELL ELECTRODE LEAD NEAR THE CELL. ALTERNATIVELY, CONNECT TO THE UDA
GROUND SCREW AS SHOWN DOTTED. DO NOT GROUND 10, 25, OR 50 CONSTANT CELLS.
THE BLACK CELL ELECTRODE LEAD NEAR THE CELL. ALTERNATIVELY, CONNECT TO THE UDA
GROUND SCREW AS SHOWN DOTTED. DO NOT GROUND 10, 25, OR 50 CONSTANT CELLS.
6.
FOR CELL LEADS BLACK AND WHITE, USE 16 TO 22 AWG CABLE, SHIELDED TWISTED PAIR,
WITH 30 pF MAX. CAPACITANCE BETWEEN CONDUCTORS. CONNECT SHIELD TOTERMINAL
“10”. FOR MODEL 4973 INSTALLATIONS WITH HONEYWELL 31079198 SS FLOW CHAMBER, USE
22 AWG MINIMUM COAXIAL CABLE TYPE RG59U (BELDEN 9259 OR EQUIV.). CONNECT COAX
SHIELD FROM “BLACK” TO TERMINAL “10”. CONNECT COAX CONDUCTOR FROM “WHITE” TO
TERMINAL “7”.
WITH 30 pF MAX. CAPACITANCE BETWEEN CONDUCTORS. CONNECT SHIELD TOTERMINAL
“10”. FOR MODEL 4973 INSTALLATIONS WITH HONEYWELL 31079198 SS FLOW CHAMBER, USE
22 AWG MINIMUM COAXIAL CABLE TYPE RG59U (BELDEN 9259 OR EQUIV.). CONNECT COAX
SHIELD FROM “BLACK” TO TERMINAL “10”. CONNECT COAX CONDUCTOR FROM “WHITE” TO
TERMINAL “7”.
7.
FOR COMPENSATOR LEADS RED AND GREEN, USE 16 TO 22 AWG, TWO CONDUCTOR CABLE.
8.
CELL TO ANALYZER CABLES ARE CONSIDERED LOW LEVEL. RUN SEPARATE FROM HIGH
LEVEL WIRING.
LEVEL WIRING.
Cell to Analyzer through Junction Box
50
DRAWING 50012875