Installation; Unit Mount; Rear Panel Connections - Hanna Instruments EC Series Instruction Manual

7

7. INSTALLATION

7.1. UNIT MOUNT

Front view
outside panel cutout
43 mm (1.7")
53 mm (2.0")
WARNINGS
All external cables connected to the rear panel should be fitted with cable lugs.
A clearly marked disconnect switch (max. 6A) must be installed in the vicinity of the instrument to
ensure that the electrical circuit is completely de‑energized for service or maintenance.

7.2. REAR PANEL CONNECTIONS

Probe terminal
• Follow color code to connect the probe.
Power supply terminal
• BL9833XX‑0
Connect the 2 wires of a 12 VDC power adapter to the +12 VDC and GND terminals.
• BL9833XX‑1 & BL9833XX‑2
Connect a 3‑wire power cable paying attention to the correct contacts:
• earth (PE)
• line (L), 115 VAC or 230 VAC
• neutral (N1 for 115 V or N2 for 230 V)
Dosing Contact
• Dosing contact (NO) output drives the dosing system as per configured setpoint.
Side view
mounting bracket & inside depth
0.25/4 mm
Adjustable
(0.01/0.16")
Location Bracket
81 mm (3.2")
95 mm (3.7") MIN
4-20 mA
Output
Grey
Green
White or
Brown
Yellow
Shield
mounting bracket
Grey
Green
White or
Brown
Yellow
Shield
NU
50/60Hz; 10 VA
4-20 mA
Output
115 V
Grey
230 V
Green
PE White or
Brown
Yellow
Shield
Installation
Top view
Mounting
Bracket
min
max
Time
min
Dosing
max
contact
Time
12VDC
NU
GND
Dosing
contact
NU
50/60Hz; 10 VA
min
L
max
115 V
Time
N1
230 V
N2
PE
PE
Dosing
contact