Equipment
Control Panel
The Electrical Control Panel consists of a CSA approved steel enclosure, with lock, approximate dimensions (36"x 36"x 8"), complete with:
System Function - All motors will have Hand/Off/Auto selectable switches. During a normal system operation all the switches will be in the "Auto" position. The "Hand" (manual) mode will operate all the motors at a pre-set speed. The "Hand" option will also be used during equipment testing and troubleshooting. On the start-up, the system will automatically start all the functions (fuel feed rate, combustion air fan speed, exhaust air fan speed) at a pre-set values.
On/Off time and cycle times for Chain Grate and Ash Removal Augers will be pre-set by the user and stored in the PLC. The set-up will be performed via the Touch Screen Panel directly interfaced with the PLC. The Touch Screen will display all the functions of the system (including alarm status). The set-up screen will be password protected (for authorized personnel only).
Control Functions - A type J thermocouple will be used in combination with the temperature controller, mounted directly on the Control Panel. Temperature controller will have a PID function with 4-20 mA output to control the fuel feed rate and combustion air volume (in order to maintain a proper fuel combustion).
Hold Fire - Used only during the periods of low heat demand. If the system reaches the set point temperature the system will shut down. If the temperature remains at the set point for a long period of time the system will start up at a pre-set time intervals in order to maintain fire. The time interval between start-ups is selectable by the user.
Control Panel
The Electrical Control Panel consists of a CSA approved steel enclosure, with lock, approximate dimensions (36"x 36"x 8"), complete with:
- One (1) PLC
- One 8" Color Touch Screen panel
- All motor controls (including VSDs), indicator lights
- Audible alarm
- All necessary terminal blocks to make inter connections.
System Function - All motors will have Hand/Off/Auto selectable switches. During a normal system operation all the switches will be in the "Auto" position. The "Hand" (manual) mode will operate all the motors at a pre-set speed. The "Hand" option will also be used during equipment testing and troubleshooting. On the start-up, the system will automatically start all the functions (fuel feed rate, combustion air fan speed, exhaust air fan speed) at a pre-set values.
On/Off time and cycle times for Chain Grate and Ash Removal Augers will be pre-set by the user and stored in the PLC. The set-up will be performed via the Touch Screen Panel directly interfaced with the PLC. The Touch Screen will display all the functions of the system (including alarm status). The set-up screen will be password protected (for authorized personnel only).
Control Functions - A type J thermocouple will be used in combination with the temperature controller, mounted directly on the Control Panel. Temperature controller will have a PID function with 4-20 mA output to control the fuel feed rate and combustion air volume (in order to maintain a proper fuel combustion).
Hold Fire - Used only during the periods of low heat demand. If the system reaches the set point temperature the system will shut down. If the temperature remains at the set point for a long period of time the system will start up at a pre-set time intervals in order to maintain fire. The time interval between start-ups is selectable by the user.