Table 21. Heating Strategy Parameter List
Description |
Value Range |
Default Value |
Unit |
CFG-01: control mode configuration: 0; 1 = system supply temperature control 2 = system return temperature control 3 = maximum of system supply and return temperature control |
0;1...3 |
3 |
- |
0/ 1 |
0 |
- |
|
0...500 |
10 |
°C |
|
0...500 |
90 |
°C |
|
0...50 |
5 |
K |
|
1...1000 |
25 |
K |
|
0...150 |
20 |
°C |
|
1...2000 |
100 |
K |
|
0...3600 |
90 |
sec |
|
SST-08: forward time expected system supply temperature (DISP-05) |
0...60 |
3 |
min |
1...600 |
6 |
min |
|
1...20 |
5 |
K |
|
2...30 |
20 |
K |
|
2...30 |
10 |
K |
|
0…2500 |
0 |
min |
|
OPM-02: group 1 operation mode: 0; 1 = sequential 2 = sequential mode, last two boiler switch off in parallel mode 3 = parallel |
0...3 |
1 |
- |
CYC-01: cyclic changeover sequence; e.g. 0203 mean the boilers 2 to 3 will perform cyclic changeover. Boiler 1 is the leading boiler. |
1516 |
0116 |
- |
OAT-01: low limit outside air temperature to enable the next boiler |
-50 ... 50 |
-10 |
°C |
OAT-02: high limit outside air temperature to disable the next boiler |
-50 ... 50 |
0 |
°C |
OVR-01: high limit control deviation to enable the next boiler |
10 ... 100 |
30 |
K |
OVR-02: low limit control deviation to disable the next boiler |
0 ... 50 |
15 |
K |
0 ... 480 |
0 |
min |
|
0 ... 480 |
0 |
min |
|
0…2 |
0 |
- |
|
0000...2400 |
0100 |
hhmm |
|
0/ 1 |
0 |
- |
|
- |
- |
- |
|
- |
- |
min |
|
- |
- |
°C |
Table 22. Continuous flow mode
SYS-01 |
Continuous flow mode |
0 |
no continuous flow |
1 |
unconditional continuous flow |
2 |
a) continuous flow for a time defined by SYS-02 hours after the last heat demand occurred b) continuous flow if “FilteredOATemp” < 2 °C (fixed, with 1K switching differential), independent of any heat demand |