Yazaki's gas-fired piping systems are designed for maximum energy efficiency, enabling fuel switching and integration with cogeneration systems. Whether you're looking to recover waste heat or implement biomass energy solutions, our piping systems ensure seamless operation while contributing to carbon neutral goals and enhancing process cooling capabilities.

STANDARD JUNCTION BOX (JB) CONNECTIONS
Power supply. Chilled/hot water and cooling water pump control. Thermal overload interlocks from chilled/hot water pump, cooling water pump and cooling tower fan.
OPTIONAL JUNCTION BOX (JB) CONNECTIONS
Remote cooling/heating mode selection. Remote start/stop selection. Cooling tower fan control output (Alternative to CTS).
OPTIONAL CONTROL BOX (CB) CONNECTIONS
Cooling/heating mode status. Chiller-heater operating status. Chiller-heater standby status. Dilution cycle status. Burner operating status. General shutdown alarm output. External fault alarm output. Main fault alarm output. Burner flame failure alarm. External fault interlock (Additional control supplied by others). Earthquake switch shutdown. Remote temperature control 4.5˚F setup/setback.	Cooling water flow switch (FS2) input (Flow switch supplied by others). Freeze protection switch (IF1) input for chilled/hot water (Temp. switch supplied by others). Freeze protection switch (IF2) input for cooling water (Temp. switch supplied by others). Exhaust fan control output. Exhaust fan interlock. Cooling tower sump level switch (LS).