Hach Lange CL17, Instrument Manual

Page: 25 / 74

Section 1
Page 23
54400_install.fm
Electrical Connections
1.8.2 Wiring the Instrument
Connect the unpowered wires to the instrument power terminal as follows:
1. Strip the outside insulation of each wire back ¼-inch.
2. Connect the three wires to the terminal using the information in the
following table.
3. Ensure the voltage setting is correct and supply power to the instrument.
Figure 10 Power Connections
!
GND
WHT 2
BLK 1
Wire Color Code for: Protective Earth Ground Hot or
∅
1 Neutral or
∅
2
North America Green Black White
IEC Green with Yellow Tracer Brown Blue
ON
OFF
SAMPLE IN
5 PSIG MAX
1/4IN. O.D. TUBE
AIR PURGE
.01CFM AT
20 PSIG MAX
¼ IN. O.D. TUBE
THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS
OF THE CANADIAN INTERFERENCE CAUSING REGULATIONS.
CET APPAREIL NUMERIQUE DE LA CLASSE “A” RESPECTE
TOUTES LES EXIGENCES DU REGLEMENT SUR LE MATERIEL
BROUILLEUR DU CANADA.
SAMPLE DRAIN
1/2 IN. I.D. TUBE
CASE DRAIN
1/2 IN. I.D. TUBE
ENCLOSURE
115V
J4
F2
F1
GND
NEU
2
Æ
HO
T
T
1
Æ
NO
NO
NC
NC
GND
COM
COM
J9
K1
K2
115V
!
RE
AG
EN
T
EXIT ENTER
Chlorine
mg/L
Alarms
µg/L
MENU
+
BU
F F
E
R
1
2
3
123
1
2
3
Since the ON/OFF switch can be accessed
without the use of a tool an external switch
is not required for instrument power.
A method to remove power from
the relays locally must be
available in case of an emergency
or for servicing the instrument.
!