Siemens Albatros2 RVS46 User Manual Page 103
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Siemens Switzerland Ltd. User manual CE1U2354en
HVAC Products The settings in detail 11. May 2007
The 2x1 cascade is a special configuration of the basic unit, where the 2-stage boiler is
operated as 2 cascaded 1-stage boilers.
Due to the temperature differential between boiler temperature setpoint and boiler
temperature sensor B2 (common, mandatory cascade flow temperature sensor),
switching on / off of the lag boiler (release and reset integral) takes place according to
the control of a 2-stage burner. The same parameters are used.
If a boiler pump is required, QX1 and QX2 (operating lines 5890 and 5891) must be
appropriately set.
A common boiler pump can be operated at any other multifunctional relay output QX
parameterized as boiler pump Q1. The boiler pump of the lead boiler is always mapped
on these outputs.
With the configuration of the 2x1 cascade (parameter “Type of heat source”), the
following outputs and functions will be ready used or assigned.
Use Space Connector type
L1 Live burner P AGP8S.07A/109
Protective earth
N Neutral conductor
T1 Phase burner 1
T2 Burner 1 on
S3 Input burner fault
4
Input burner 1 hours run
EX2 Input burner 2 hours run Z AGP8S.04C/109
FX4
(T6)
Phase burner 2
QX4
(T7)
Burner 2 off
QX4
(T8)
Burner 2 on
Solar
Line no. Operating line
5840 Solar controlling element
Charging pump
Diverting valve
5841 External solar exchanger
Jointly
DHW storage tank
Buffer
In place of a collector pump and diverting valves for integrating the storage tanks, the
solar plant can also be operated with charging pumps.
2 x 1 cascade
Solar controlling element
- Building Technologies 1
- HVAC Products 1
- Table of contents 3
- 1 Summary 9
- 1.1 Type summary 10
- 2 Safety notes 11
- 3 Mounting and installation 12
- Dimensions in mm 13
- 1PRVS63.243/109 14
- S061107000020 14
- 000020RVS63.283/109 15
- 1PRVS63.283/109 15
- AVS82.490/109 17
- AVS82.491/109 17
- X50 of the basic unit 18
- 3.4 Operator unit AVS37.294 20
- 3.5 Operator unit AVS37.390 21
- 3.6 Room unit QAA55… 22
- 3.7 Room unit QAA75… 23
- Dimensions and drilling plan 24
- 3.8 Wireless components 25
- 3.8.2 Room unit QAA78.610 26
- Operator section 28
- Testmode 28
- Battery transit 29
- Battery 29
- 3.9 Power supply AVS16.290 32
- 0.5...3.0 33
- 4 Commissioning 34
- 5 Handling 35
- Xxxxxxxxxxxxxxxxxxxxxxxxxxx 36
- 4 8 12 16 20 24 37
- 2359Z140 37
- Room temperature 37
- Reset ? yes 38
- 5.1.2 Programming 40
- 5.1.3 User levels 41
- OEMEnduser 42
- 5.1.4 Overview of settings 43
- Off ¦ On 46
- 5.1.5 AVS37.390Operation 62
- − Press OK 63
- 3.1.2 Programming 64
- 5.1.6 User levels 65
- 5.1.7 Overview of settings 66
- 5.2 QAA55 67
- 6 The settings in detail 68
- Heating circuits 1 and P 69
- All heating circuits 69
- 6.3 Radio 70
- 6.4 Time programs 71
- 6.5 Holidays 72
- 6.6 Heating circuits 72
- Heating curve 73
- HC1 HC2 HCP 74
- 750 1050 1350 Room influence 75
- 770 1070 1370 Boost heating 77
- 780 1080 1380 Quick setback 77
- Optimum start / stop control 78
- Increase of Reduced setpoint 79
- Mixing valve control 79
- Excess heat draw 81
- Speed-controlled pump 81
- 6.7 DHW 82
- Legionella function 83
- • Periodically 83
- • Fixed weekday 83
- Circulating pump 83
- 6.8 Pump H1/H2/H3 84
- 6.9 Swimming pool 84
- 6.11 Boiler 85
- 2270 Return setpoint min 86
- 2330 Output nominal 86
- 2331 Output basic stage 86
- 6.12 Cascade 87
- 3560 Return setpoint min 88
- 6.13 Solar 89
- DHW storage tank 90
- Buffer storage tank 90
- Start function 90
- 6.14 Solid fuel boiler 92
- 6.15 Buffer storage tank 93
- Partial charging 95
- Full charging 95
- 6.16 DHW storage tank 96
- External thermostat 97
- DHW sensor 97
- Plant hydraulics 98
- Setpoints 98
- 6.18 Configuration 99
- 100/156 100
- Use Space Connector type 101
- 102/156 102
- Output relay QX 104
- DHW circulating pump Q4 104
- 105/156 105
- 106/156 106
- Line no. Operating line 107
- 109/156 109
- 5982 Function input EX2 110
- 5983 Cont type input EX2 110
- Function mixing group 1 111
- BX extension module 114
- H2 extension module 114
- 10V output UX 114
- 6128 Heat request below OT 116
- 6129 Heat request above OT 116
- 6200 Save sensors 116
- 6215 Check no. storage tank 117
- 6220 Software version 119
- 6.19 LPB system 120
- 6640 Clock mode 121
- 6650 Outside temp source 121
- 6.20 Errors 122
- 6.21 Maintenance / service 122
- 7130 Chimney sweep function 123
- 7139 Economy mode 123
- 7140 Manual control 123
- Simulations 124
- Telephone customer service 124
- 6.22 Input / output test 125
- 6.23 State 125
- State of DHW 126
- State of boiler 126
- 6.25 Diagnostics consumers 128
- 6.26 List of displays 129
- 6.26.2 Maintenance code 130
- 7 Plant diagrams 131
- Standard diagram 132
- DHW heating with 132
- 133/156 133
- 134/156 134
- 135/156 135
- 136/156 136
- Storage tank temperature 137
- Heating circuit 137
- Heat converter 138
- Swimming pool 138
- Pressureless header 138
- Q15/18/19 139
- Mixing heating circuit 140
- Return temp controller 140
- Solar DHW heating 140
- Primary controller 140
- Primary DHW controller 141
- Instantaneous DHW 141
- Return controller 141
- Release modulating burner 142
- Legend low-voltage 143
- (±10 %) 144
- 0.5 0.75 1.0 1.5 144
- 40 60 80 120 144
- QAA7x… / QAA55 146
- Without packaging 147
- 148/156 148
- 149/156 149
- 8.8 Sensor characteristics 150
- 8.8.2 NTC 10 k 151
- 8.8.3 PT1000 151
- 152/156 152
- 153/156 153
- 154/156 154
- 9 Revision history 155
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