Viessmann Vitoflex 300-UF 530 Installation And Operating Instructions Manual page 61

Vitoflex 300-UF Installation & Operating
Boiler Control System
Vitoflex 300-UF controller parameter reference guide for the technician (continued)
Accumulator management system
5 Starts boiler when temperature falls
below selected sensor in acc
6 Accumulator set-point for
atmospheric temp. of +5°C
7 Accumulator set-point for
atmospheric temp. of -15°C
8 Accumulator temperature set-point
maximum
9 Accumulator temperature set-point
minimum
10 Light barrier delay for auger after
in-feed auger 1
Accumulator management system
1 Accumulator controller, P-factor
2 Accumulator controller, D-factor
3 Accumulator controller, I-factor
Additional boiler
1 Additional boiler operating mode
2 Return flow temperature
3 Accumulator loading to accumulator
sensor
4 Accumulator loading to sensor
5 Temperature for connecting additional
boiler, delayed
6 Switch-on delay for additional boiler
7 Temperature for connecting additional
boiler, without delay
8 Minimum running time for additional
boiler
9 After-running of pump for additional
boiler
10 Return flow controller, P-factor
11 Return flow controller, D-factor
12 Return flow controller, I-factor
(continued)
Unit Min.
B28.1 --
B28.5
°C 10
°C 10
°C 10
°C 10
°C 10
Unit Min.
-- 0
-- 0
-- 0
Unit Min.
Auto/ --
Manual
/Off
°C 30
B28.1 --
B28.5
°C 30
°C 50
Min. 0
°C 5
Min. 0
Min. 0
-- 0
-- 0
-- 0
Max. Default Detailed definition
-- B28.1 Sensor used to start boiler when below
value in 4
110 80 Outdoor reset, at 41°F (5°C)
110 85 Outdoor reset, at 5°F (-15°C)
110 80 Monitored by 3
110 75 Monitored by 5
110 75 Monitored by 1
Max. Default Detailed definition
99.9 3.0 Factor for thermal storage
tank management system.
DO NOT CHANGE SETTING
99.9 10.0 DO NOT CHANGE SETTING
99.9 0 DO NOT CHANGE SETTING
Max. Default Detailed definition
-- Auto Used with multiple boiler systems
120 65 Used with multiple boiler systems
-- B28.1 Used with multiple boiler systems
120 80 Used with multiple boiler systems
95 80 Used with multiple boiler systems
90 10 Used with multiple boiler systems
50 120 Used with multiple boiler systems
90 10 Used with multiple boiler systems
20 2 Used with multiple boiler systems
99.0 5.0 Factor for supply of additional boiler
if controlled by Vitoflex 300-UF
controller.
DO NOT CHANGE SETTING
99.9 3.0 DO NOT CHANGE SETTING
99.9 0 DO NOT CHANGE SETTING
Operation
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