Operating instructions

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5603 882 - 01
Pyrotec Installation & Operating
Pyrotec control system parameter
Parameters boiler Unit Min. Max. Default Detailed definition
1 Boiler temperature,
forward(out) flow
°C 70 110 85.0 Set point for supply temperature, system design
temperature
2 Boiler temperature, return(in)
flow
°C 65 95 70.0 Set point for return temperature
3 Residual oxygen, boiler % 4.0 15.0 8.0 Oxygen setting, 7-9 for pellets, 8-11 for chips
4 Boiler temperature,
combustion chamber
°C 400 999 750 Set point for combustion chamber temperature
sensor
5 Negative pressure, boiler,
combustion chamber
Pa 20 250 100 Set point for negative pressure in combustion
chamber
6 Underfeed auger cycle, maintain % 1 30 1 Auger speed for maintain mode
7 Underfeed auger cycle,
emergency operation
% 5 100 30 Auger speed for emergency mode
8 Boiler output for emergency
operation
% 25 100 100 Boiler output for emergency mode
Lower reciprocating screw Unit Min. Max. Default Detailed definition
1 Underfeed pipe temperature °C 50.0 120.0 70.0 Set point for in-feed auger temperature to prevent
back-burn
2 Underfeed auger filling time Sec. 50 999 60 In-feed auger fill time
3 Combustion chamber filling
time
Sec. 50 999 90 Combustion chamber fill time
4 Empty running time, metering
container, underfeed auger
Sec. 1 90 25 In-feed auger metering bin, delay on time if sensor
is free
5 Underfeed auger starting cycle
after maintain is reached
% 1 100 10 In-feed auger speed to fill, warm start
6 Underfeed auger starting
cycle after ignition
% 1 100 5 In-feed auger speed to fill, cold start
7 Underfeed auger, pellet
operation
On/
Off
Off On for pellet operation
Regulator temperature Unit Min. Max. Default Detailed definition
1 Boiler forward flow
controller, P(proportional)-
factor
0 99.9 3.0 Factor for supply, only active when boiler supply
flow temperature is being used. Value 1-3
DO NOT CHANGE SETTING
2 Boiler forward flow controller,
D(derivative)-factor
0 99.9 3.0 DO NOT CHANGE SETTING
3 Boiler forward flow
controller, I(integral)-factor
0 99.0 0 DO NOT CHANGE SETTING
4 Boiler forward flow
controller, P-factor
0 99.0 5.0 Factor for return
DO NOT CHANGE SETTING
5 Boiler forward flow
controller, D-factor
0 99.0 3.0 DO NOT CHANGE SETTING
6 Boiler forward flow
controller, I-factor
0 99.9 0 DO NOT CHANGE SETTING
7 Hysteresis(lagging behind)
preservation (warm start) ON
°C 4 20 6.0 A call for heat will start the boiler from maintain
mode, DO NOT CHANGE SETTING
8 Hysteresis(lagging behind)
preservation (warm start) OFF
°C 0 20 2.0 Shut off the boiler from maintain mode.
DO NOT CHANGE SETTING
Pyrocontrol Control System (continued)
Operation