SA-220 Manual · Rev 3.3
SA-220 Fixed Gas Detector - Instruction Manual
Installation, wiring, calibration, and maintenance for the SA-220 Fixed Gas Detector - available to view inline or download.
About this manual
The SA-220 Fixed Gas Detector instruction manual documents how to install, wire, configure, and maintain a fixed detector point. It covers enclosure mounting and orientation, field wiring and output configuration, menu navigation, calibration with the SA2 smart sensor, alarm relay behavior, and periodic service.
Written for installation contractors, instrumentation technicians, and plant maintenance staff commissioning or servicing fixed gas detection points.
What's inside
- Safety information and installation warnings
- SA-220 overview and detector architecture
- Mounting location and sensor orientation
- Conduit entry and field wiring
- Output configuration (4-20 mA, Modbus, relays)
- Menu navigation and configuration
- Calibration and bump testing with the SA2 module
- Alarm setpoints and relay behavior
- Routine maintenance and troubleshooting
Frequently asked questions
Which revision of the SA-220 manual is current?
- Rev 3.3 is the current SA-220 Fixed Gas Detector instruction manual.
How should an SA-220 be mounted?
- Mounting height depends on the target gas density and the airflow at the monitored point. The manual gives placement guidance along with sensor orientation requirements.
What outputs does the SA-220 support?
- The SA-220 supports 4-20 mA analog output, digital communication, and alarm relays. The manual walks through configuring each output.