Siemens DDC R540-100 Control L99H008 Attempting to apply 120V or

Attempting to apply 120V or 240V to the coil terminals will result in immediate component failure

With a primary voltage range of 208-240V and a secondary output of 24VAC

Refer to your specific unit's technical manual during installation

Can I mix this with 160SZ POE oil during a retrofit

For technicians performing preventative maintenance or critical repairs on Daikin and McQuay equipment

Siemens DDC R540-100 Control L99H008 Attempting to apply 120V orThe Siemens R540 100 is an Open Processor (OP) Terminal Box Controller designed specifically for Variable Air Volume (VAV) systems within the Siemens APOGEE network architecture. This Refurbished Terminal Box Cntrl operates using P1 FLN (Floor Level Network) protocols, allowing for seamless integration into legacy BTU Building Automation Systems. This DDC component manages specific HVAC applications, including pressure independent VAV and single duct