Siemens Albatros2 AVS37 User Manual Page 98
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Siemens Switzerland Basic units RVS61.843 and RVS41.813 CE1U2355en_02
HVAC Products Contents 3. Juli 2008
Flow temperature setpoint limitations
Line no. Operating line
923 Flow temp setp min at OT 25°C
924 Flow temp setp min at OT 35°C
A low limit can be defined for the flow temperature required for cooling.
The limit curve is determined by defining 2 fixed points.
There is also a low limit for the resulting flow temperature setpoint, which must not fall
below 5 °C.
This determines the lowest permissible flow temperature at a composite outside
temperature of 25 °C.
This determines the lowest permissible flow temperature at a composite outside
temperature of 35 °C.
If there is no valid outside temperature available, the controller uses the value
"Flow temp setp min OT = 35 °C".
TVKw
35°C
TAgem
2355Z07
25°C
924
923
TVKw
TVKw_unb
TVKw Flow temperature setpoint for cooling (with minimum limitation)
TVKw_unb Flow temperature setpoint for cooling (without minimum limitation)
Tagem Composite outside temperature
Room influence
Line no. Operating line
928 Room influence
When using a room temperature sensor, there is a choice of 3 different types of
compensation.
Setting Type of compensation
− − − % Pure weather compensation *
1…99% Weather compensation with room
influence *
100% Pure room compensation
* Outside sensor required.
The flow temperature is calculated with the help of the cooling curve as a function of
the composite outside temperature.
This type of compensation demands a correct adjustment of the cooling curve since in
that case the control gives no consideration to the room temperature.
Flow temp setp min at OT
25°C
Flow temp setp min at OT
35°C
Types of compensation
Pure weather
compensation
- Siemens Switzerland Ltd 1
- HVAC Products 1
- Contents 3
- 1 Summary 9
- Wireless 10
- (optionally with additional 11
- 2 Safety notes 12
- 3 Mounting and installation 13
- Dimensions in mm 14
- 15/235 15
- 17/235 17
- B84/B9 2 18
- 19/235 19
- X50 of the basic unit 20
- AVS82.491/109 21
- 3.4 Operator unit AVS37.294 22
- 235 4M01 23
- 3.6 Room unit QAA55… 24
- 3.7 Room unit QAA75… 25
- Dimensions and drilling plan 26
- 3.8 RF components 27
- Operator section 29
- Testmode 29
- Removing the 31
- Batterie 31
- 3.8.4 RF repeater AVS14.390 33
- 4 Commissioning 35
- 5 Handling 36
- Xxxxxxxxxxxxxxxxxxxxxxxxxxx 37
- Raumtemperatur 39
- Text3 Text4 40
- 30:Flow sensor 1 40
- 41/235 41
- Room temperature 42
- 5.1.3 User levels 43
- Commissioning 44
- − − − / 8 30 °C 47
- − − − / -10 10 °C 47
- − − − / 1 100 % 47
- − − − / 0.5 4 °C 47
- − − − − − − / 0 20 °C 47
- − − − / 10 360 min 51
- − − − / -20 30 °C 52
- − − − / -30 50 °C 52
- − − − / -30 30 52
- − − − / 10 1000 52
- − − − / 10 600 min 54
- − − − − − − / 1 55
- − − − − − − / 0 100 % 68
- 5.2 QAA55 74
- 5.2.2 Programming 75
- 6 The settings in detail 77
- 40 Used as 78
- 79/235 79
- Heating circuits 1 and P 79
- All heating circuits 79
- 6.3 Radio links 80
- 6.4 Time programs 81
- 6.5 Holidays 81
- 6.6 Heating circuits 82
- Heating curve 83
- Heating curve slope 83
- HC1 HC2 HC3P 84
- 85/235 85
- Room temperature limitation 87
- Boost heating 87
- Quick setback 88
- Optimum start / stop control 88
- Raising the Reduced setpoint 89
- 830 1130 Mixing valve boost 90
- 832 1132 Actuator type 90
- 91/235 91
- 861 1161 1461 93
- 6.7 Cooling circuit 1 94
- 901 Operating mode 95
- 902 Comfort setpoint 95
- 907 Release 96
- 908 Flow setp at OT 25°C 96
- 909 Flow setp at OT 35°C 96
- 912 Cooling limit at OT 97
- 918 Summer comp start at OT 97
- 919 Summer comp end at OT 97
- 928 Room influence 98
- TRKw-SDR 99
- Mixing valve control 100
- Dewpoint supervision 100
- (dT TVKw) 101
- 6.8 Domestic hot water 102
- 1620 Release 103
- 1630 Charging priority 104
- Legionella function 105
- • Periodically 105
- • Fixed weekday 105
- 6.9 Hx pumps 106
- 107/235 107
- 6.10 Swimming pool 108
- 6.12 Heat pump 109
- 2801 Control cond pump 110
- 2802 Prerun time cond pump 110
- 2803 Overrun time cond pump 110
- Temperature request 111
- Source pump 111
- Line no. Operating line 112
- Compressor settings 114
- Compressor 2 116
- 2862 2862 117
- 2880 Use electric flow 118
- 119/235 119
- 2882 2882 120
- General parameters 121
- 2355_169aZ01 122
- Released 123
- 124/235 124
- 125/235 125
- Frost protection for 126
- 127/235 127
- 128/235 128
- 6.13 Cascade 130
- Heat source sequence 131
- Auto source seq exclusion 132
- Operating mode 133
- Overtemperature protection 133
- Control 133
- 6.15 Solar 135
- Priority 136
- DHW storage tank 136
- Buffer sensor 136
- Start function 137
- Collector frost protection 137
- Speed control 138
- Yield measurement 138
- 6.16 Buffer sensor 139
- 4720 Auto generation lock 140
- 4722 Temp diff buffer/HC 140
- Schichtschutz 141
- Always: 141
- 6.17 DHW storage tank 143
- 5055 Recooling temp 144
- 5056 Recooling heat gen/HCs 144
- 5057 Recooling collector 144
- 0 6121824 145
- DHW release 146
- External thermostat 146
- DHW sensor 146
- Excess heat draw 146
- Plant hydraulics 146
- 5101 Pump speed min 147
- 5102 Pump speed max 147
- Transfer strategy 148
- RVS61.843) 149
- 6.19 Configuration 150
- 5710 Heating circuit 1 151
- 5711 Cooling circuit 1 151
- 5712 Use of mixing valve 1 151
- Off ¦ On 152
- 5800 Heat source 153
- 5807 Refrigeration 153
- Output relay QX 155
- Line no 156
- Operating line 156
- 157/235 157
- 158/235 158
- 159/235 159
- Only RVS61 161
- Only RVS41 161
- 162/235 162
- Pressure measurement 10V 163
- Rel room humidity 10V 163
- Room temp 10V 163
- Release swimming pool 163
- 164/235 164
- 1/U1 and F2/U2) 165
- 167/235 167
- 170/235 170
- BX extension module 171
- H2 extension module 172
- 10V output UX 172
- Pt 1000 173
- 24h / day 174
- Time program HC 174
- Time program 5 174
- 176/235 176
- 177/235 177
- 6.20 LPB 178
- 6.21 Errors 181
- 229: Niederdruck 182
- Maintenance functions 185
- 186/235 186
- 187/235 187
- Manually 188
- Automatically 188
- 6.23 Input / output test 189
- Input test sensors 190
- Input test E 191
- enabling 191
- Input test H1, H2, H3 191
- 6.24 State 192
- State cooling circuit 193
- State heat pump 193
- State solar 194
- State buffer 194
- 6.25 Diagnostics cascade 196
- Time / start counter 198
- Heat pump air 198
- 6.27 Diagnostics consumers 200
- Heating circuits 1, 2, P 201
- Cooling circuit 1 201
- Domestic hot water 202
- Swimming pool 202
- Primary controller 202
- Common flow 202
- Input H1 203
- Water pressure 203
- 6.28 Pump kick 204
- 7 Plant diagrams 205
- Plant diagram 2: 206
- Plant diagram 3: 206
- Plant diagram 4: 207
- Plant diagram 5: 207
- Plant diagram 6: 208
- Plant diagram 7: 208
- Plant diagram 8: 209
- Plant diagram 9: 210
- Plant diagram 10: 210
- Plant diagram 11: 211
- Plant diagram 12: 211
- Plant diagram 13: 212
- Plant diagram 14: 212
- Plant diagram 15: 213
- Plant diagram 16: 214
- Plant diagram 17: 214
- Plant diagram 18: 215
- Plant diagram 19: 216
- Plant diagram 20: 216
- Plant diagram 21: 217
- Plant diagram 22: 218
- Plant diagram 23: 218
- Plant diagram 24: 219
- 220/235 220
- 8 Technical data 221
- Class 1K3, temp. -20…65 °C 222
- 0.5 0.75 1.0 1.5 mm 223
- 40 60 80 120 m 223
- Without packaging 224
- 8.7 Sensor characteristics 227
- 228/235 228
- 229/235 229
- 230/235 230
- 231/235 231
- 232/235 232
- 233/235 233
- 234/235 234
- 235/235 235
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