Alarms can be absolute (e.g., alarm if PV > 250°C), deviation (PV deviates +/-10°C from SV), or rate-of-change. The manual explains each alarm type via a code (e.g., ALM1=2 for high deviation).
Uses the controller’s 0-10V analog output to modulate a damper actuator or chilled water valve. The manual’s SCAL (scaling) parameter maps 0-10V to 0-100% valve opening. es99 controller manual pdf
If you identify the brand, navigate to their “Support” or “Downloads” section. For example: Alarms can be absolute (e
Avoid generic “free manual” sites that require sign-ups or credit cards – these often contain malware. Avoid generic “free manual” sites that require sign-ups
Search the following sources using the exact phrase "es99 controller manual pdf" :
⚠️ If you have a specific brand name (e.g., Siemens, Unitronics, Zelio, Logo!), add it to the search. “ES99” is often a clone or generic model – in that case, search for the original OEM manual.
| Problem | Likely cause | Fix | |-----------------------------|-------------------------------------|------------------------------------------| | Controller not powering on | Blown fuse or wrong supply | Check L/N voltage, replace fuse | | Input does not turn on | Wiring polarity wrong | Swap +24V and COM if using sinking input | | Output relay clicks but no load power | Relay contacts welded | Replace controller or use external contactor | | LCD shows “Prg Err” | Corrupted program | Reload program from PC | | Time resets after power off | RTC battery dead | Replace CR2032 |