Siemens Albatros2 AVS37 User Manual Page 78
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Siemens Switzerland Ltd User Manual CE1U2353en
HVAC Products Cooling circuit 02.06.2009
The controller determines the required flow temperature at a specific composite outside
temperature. The cooling curve is determined by defining two fixed points (the flow
temperature setpoint at 25°C and 35°C).
The programmed cooling curve is based on a room setpoint of 25°C. If the room
setpoint is adjusted, the cooling curve automatically adapts to the new value.
TVKw
20 30
40
28
26
24
22
20
18
16
°C
TAgem
30
2354Z15
°C
25 35
TVKw Flow temperature setpoint, cooling
TAgem Composite outside temperature
ECO
Line no. Operating line
912 Cooling limit at OT (outside temperature)
913 Locking period at end of heating
If the composite outside temperature rises above the cooling limit temperature, cooling
is released; cooling is disabled when the outside temperature drops to at least 0.5°C
below the cooling limit temperature.
To avoid too rapid a change to cooling at the end of the heating phase, the cooling
function is disabled for the period which can be set here. This "locking period" begins
when there is no heating demand from heating circuit 1.
The locking period is ignored if the cooling function is enabled via the operating mode
button.
Summer compensation
Line no. Operating line
918 Start of summer compensation at OT
919 End of summer compensation at OT
920 Summer compensation setpoint increase
In summer, the cooling comfort setpoint (902) is shifted upwards as the outside
temperature increases. This saves cooling energy, and prevents too great a differential
between the room and outside air temperature.
Summer compensation starts to take effect at the outside temperature set here. If the
outside temperature continues to rise, the comfort setpoint is raised in parallel.
Flow temp setpoint
Cooling limit at OT
(outside temperature)
Locking period at end of
heating
Start of summer
compensation at OT
- Building Technologies 1
- HVAC Products 1
- Contents 3
- 1 Overview 9
- 1.1 Product range overview 10
- (optionally with additional 11
- 2 Safety notes 12
- 3 Mounting and installation 13
- On DIN rail 14
- 000020RVS46.530/109 15
- Use Space Connector type 16
- AVS82.490/109 16
- AVS82.491/109 16
- X50 of the basic unit using 17
- 3.4 Operator unit AVS37.294 19
- 3.5 Operator unit AVS37.390 20
- 3.6 Room unit QAA55… 21
- 3.7 Room unit QAA75… 22
- Dimensions and drilling plan 23
- 3.8 Wireless components 24
- Operator section 27
- Testmode 27
- Radio transmitter 28
- Outside sensor 28
- 4 Commissioning 31
- 5 Handling 32
- Xxxxxxxxxxxxxxxxxxxxxxxxxxx 33
- Text3 Text4 35
- 30:Flow sensor 1 35
- 4 8 12 16 20 24 36
- 2359Z140 36
- Reset ? yes 36
- 5.1.2 Programming 37
- 5.1.3 User levels 38
- Time of day and date 39
- 5.1.4 Overview of settings 40
- 0 0 20 °C 43
- Off ¦ On 46
- 5.2 AVS37.390 54
- 2354Z1 3 55
- 3.1.2 Programming 56
- 5.2.2 User levels 57
- 5.2.3 Overview of settings 58
- 5.3 QAA55 59
- 5.3.2 Programming 61
- 6 The settings in detail 62
- 40 Used as 63
- Heating circuits 1 and P 64
- All heating circuits 64
- 6.4 Time programs 65
- 6.3 Radio 65
- 6.5 Holidays 66
- 6.6 Heating circuits 66
- Setpoints 67
- Heating curve 67
- HC1 HC2 HCP 68
- Setting line e.g 69
- 750 1050 1350 Room influence 70
- 770 1070 1370 Boost heating 71
- Quick setback 72
- Optimum start / stop control 73
- Raising the reduced setpoint 73
- 830 1130 Mixing valve boost 74
- 832 1132 Actuator type 74
- Excess heat draw 76
- Remote control 76
- 6.7 Cooling circuit 77
- Summer compensation 78
- 928 Room influence 79
- 932 Room temp limitation 80
- TRKw-SDR 81
- 950 Flow temp diff dewpoint 82
- 6.8 DHW 83
- 1620 release 84
- 1630 Charging priority 84
- 6.9 Hx pumps 86
- 6.11 Solar 87
- 3880 Antifreeze 88
- 3884 Pump capacity 88
- 6.12 DHW storage tank 89
- 0 6121824 90
- 5085 Excess heat draw 91
- 5093 With solar integration 91
- 5544 Actuator running time 91
- 6.14 Configuration 92
- 5730 DHW sensor B3 93
- Relay output QX1 93
- 1/U1 and F2/U2) 98
- 2=10VU1=0V 99
- Line no. Operating line 100
- QX extension module 102
- BX extension module 102
- H2 extension module 102
- 01234-3-4-5-6 -1 103
- RVS46.543 onl 104
- Sensor state 105
- Parameter reset 105
- Plant diagram 105
- 6.15 LPB system 106
- 6621 Summer changeover 107
- 6623 Optg mode changeover 107
- 6625 DHW assignment 107
- 6627 Refrigeration demand 107
- 6640 Clock mode 108
- 6650 Outside temp source 108
- 6.16 Faults 109
- 7140 Manual control 110
- 6.18 Input / output test 111
- 6.19 State 112
- State of DHW 113
- State of solar 113
- 6.21 Diagnostics, consumers 114
- 6.22 List of displays 115
- 6.22.2 Maintenance code 116
- 7 Plant diagrams 117
- DHW storage tank (DHW) 118
- Heating/cooling circuit 119
- Heat converter 119
- Extra functions 119
- AVS75.390 120
- Primary controller 121
- Primary DHW controller 121
- Instantaneous DHW heater 121
- Legend mains voltage 122
- Legend low-voltage 122
- 123/135 123
- 124/135 124
- temp. -20…65 °C 125
- temperature -20…65 °C 125
- Without packaging 126
- (±10 %) 126
- class 1K3, temp. -20…65 °C 127
- 8.8 Sensor characteristics 129
- 130/135 130
- 131/135 131
- HVAC Products 02.06.2009 131
- 132/135 132
- 133/135 133
- 9 Revision history 134
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