Vitoflex 300-Uf Control System Parameters - Viessmann Vitoflex 300-UF 530 Installation And Operating Instructions Manual

Operation
Boiler Control System
Vitoflex 300-UF control system parameter
Parameters boiler
1 Boiler temperature,
forward(out) flow
2 Boiler temperature, return(in)
flow
3 Residual oxygen, boiler
4 Boiler temperature,
combustion chamber
5 Negative pressure, boiler,
combustion chamber
6 Underfeed auger cycle, maintain
7 Underfeed auger cycle,
emergency operation
8 Boiler output for emergency
operation
Lower reciprocating screw
1 Underfeed pipe temperature
2 Underfeed auger filling time
3 Combustion chamber filling
time
4 Empty running time, metering
container, underfeed auger
5 Underfeed auger starting cycle
after maintain is reached
6 Underfeed auger starting
cycle after ignition
7 Underfeed auger, pellet
operation
Regulator temperature
1 Boiler forward flow
controller, P(proportional)-
factor
2 Boiler forward flow controller,
D(derivative)-factor
3 Boiler forward flow
controller, I(integral)-factor
4 Boiler forward flow
controller, P-factor
5 Boiler forward flow
controller, D-factor
6 Boiler forward flow
controller, I-factor
7 Hysteresis(lagging behind)
preservation (warm start) ON
8 Hysteresis(lagging behind)
preservation (warm start) OFF
58
(continued)
Unit Min. Max. Default Detailed definition
°C 70 110 85.0
°C 65 95 70.0
% 4.0 15.0 8.0
°C 400 999 750
Pa 20 250 100
% 1 30
% 5 100
% 25 100 100
Unit Min. Max. Default Detailed definition
°C 50.0 120.0 70.0
Sec. 50 999
Sec. 50 999
Sec. 1 90
% 1 100
% 1 100
On/ -- -- Off
Off
Unit Min. Max. Default Detailed definition
-- 0 99.9 3.0
-- 0 99.9 3.0
-- 0 99.0
-- 0 99.0 5.0
-- 0 99.0 3.0
-- 0 99.9
°C 4 20 6.0
°C 0 20 2.0
Vitoflex 300-UF Installation & Operating
Set point for supply temperature, system design
temperature
Set point for return temperature
Oxygen setting, 7-9 for pellets, 8-11 for chips
Set point for combustion chamber temperature
sensor
Set point for negative pressure in combustion
chamber
1 Auger speed for maintain mode
30 Auger speed for emergency mode
Boiler output for emergency mode
Set point for in-feed auger temperature to prevent
back-burn
60 In-feed auger fill time
90 Combustion chamber fill time
25 In-feed auger metering bin, delay on time if sensor
is free
10 In-feed auger speed to fill, warm start
5 In-feed auger speed to fill, cold start
On for pellet operation
Factor for supply, only active when boiler supply
flow temperature is being used. Value 1-3
DO NOT CHANGE SETTING
DO NOT CHANGE SETTING
0 DO NOT CHANGE SETTING
Factor for return
DO NOT CHANGE SETTING
DO NOT CHANGE SETTING
0 DO NOT CHANGE SETTING
A call for heat will start the boiler from maintain
mode, DO NOT CHANGE SETTING
Shut off the boiler from maintain mode.
DO NOT CHANGE SETTING