Johnson Controls Temperature Sensors and Accessories
Johnson Controls Modular Electronic Sequencer
The System 350™ R353/S353 Modular Electronic Sequencer is designed to provide multistage control in HVAC/R applications. The R353 Signal Input Module accepts input signals of 0 to 10Vdc, 0 to 20mA, or 135 to 10K ohm slidewire.
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Features:
- Electronic accuracy and repeatability
- Field selectable direct-, reverse-acting, or mixing applications
- Field selectable time delay
- Connect up to ten S353 stage modules
- Wall or DIN rail mounting
- Plug-in connection
Applications:
- Electronic forced air systems
- Electric boiler heating element staging
- Boiler staging
- Refrigeration and air conditioning capacity control
- Multi-stage combination heating/cooling systems
- Heat pump
- Multi-stage fan systems for farm and industry
- Heat recovery systems
Johnson Controls 24 Volt Power Module
The Y350R Power Module is a rectified AC power supply module designed specifically for use with the System 350 Modular Controls System. It provides a convenient method of powering the System 350 modules if 24Vac power is not available.
