Hach SC4500 Manuel D'instructions page 3

Table of Contents
1 Specifications on page 3
2 Precautions for hazardous location installation
on page 3
3 Wiring for power on page 3
4 Connecting alarms and relays
5 Connecting analog and digital outputs
Section 1 Specifications
Specifications are subject to change without notice.
Certification Listed for use in Class 1, Division 2, Group A, B, C, D, T4, Zone 2, Group IIC
locations to UL and CSA safety standards by ETL (with appropriately rated Class 1, Division
2 or Zone 2 sensors)
Operating AC controller
temperature
• -20 to 60 ºC (-4 to 140 ºF); 95% relative humidity, non-condensing with sensor/network card
load ≤8 W, Relay Output 1A Max
• -20 to 45 ºC (-4 to 113 ºF); 95% relative humidity, non-condensing with sensor/network card
load ≤28 W, Relay Output 5A Max
DC controller
• -20 to 60 ºC (-4 to 140 ºF); 95% relative humidity, non-condensing with sensor/network card
load ≤9 W, Relay Output 1A Max
• -20 to 45 ºC (-4 to 113 ºF); 95% relative humidity, non-condensing with sensor/network card
load ≤20 W, Relay Output 5A Max
Storage -20 to 70 ºC (-4 to 158 ºF); 95% relative humidity, non-condensing
temperature
Section 2 Precautions for hazardous location installation
Only qualified personnel should conduct the installation tasks described in this section of the manual. This
equipment is suitable for use in Class 1, Division 2, Groups A, B, C & D Hazardous Locations with specified
sensors and options appropriately certified and rated for Class I, Division 2, Group A, B, C & D , Zone 2, Group
IIC Hazardous Locations. Always refer to applicable electrical code regulations for proper installation. Wiring
methods must be in accordance with National Electrical Code
Electrical Code, Part I (CE Code, Part I) CSA C22.1.
Section 3 Wiring for power
Explosion hazard. Do not connect or disconnect electrical components or circuits to the equipment
unless power has been switched off or the area is known to be non-hazardous.
1
Canadian Electrical Code does not allow the optional Zone 2, Group IIC marking.
6 Connecting digital sensors or Ethernet
7 Connecting USB flash drives
8 Maintenance
9 Control drawing
on page 4
on page 4
D A N G E R
D A N G E R
on page 5
on page 6
® ®
(NEC ) ANSI/NFPA 70 or in the Canadian
on page 4
on page 4
1
hazardous
English 3