Siemens Albatros2 AVS37 User Manual Page 77
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Siemens Switzerland Ltd User Manual CE1U2353en
HVAC Products Cooling circuit 02.06.2009
6.7 Cooling circuit
For cooling mode, the operating mode (BZ 901) must be enabled and released by the
scheduler (BZ 907). The system automatically operates in cooling mode when the room
temperature rises above the Comfort cooling setpoint (operating line 902) and the
cooling limit is exceeded.
Cooling mode is interrupted if there is a heating demand from heating/cooling circuit 1,
or if a heating demand signal is received from the DHW circuit or another heating
circuit.
Operating mode
Line no. Operating line
901 Operating mode
Off ¦ Automatic
This line is used to set the operating mode for cooling.
This setting is the same as the selection of cooling mode with the cooling button on a
room unit.
Off
Cooling mode is off.
Automatically
Automatic mode controlled by the time program, occupancy button or holiday program,
subject to the enable conditions set via operating line 907.
If the cooling enable signal is set to 24h/day via operating line 907, then the cooling
button can be used as an on/off button.
Setpoints
Line no. Operating line
902 Comfort cooling setpoint
Room setpoint in cooling mode.
Summer compensation, operating line 920 can raise the setpoint as a function of the
outside temperature.
Release
Line no. Operating line
907 release
24h/day ¦ Time programs HCs ¦ Time program 5
The parameter "Release" determines the time program in accordance with which
cooling is enabled.
24 h/day
Cooling is released continuously (24 hours a day)
Time programs, HCs
Cooling is enabled in accordance with the heating circuit time program
Time program 5
Cooling is enabled in accordance with time program 5.
Cooling curve
Line no. Operating line
908 Flow setpoint at OT 25°C
909 Flow setpoint at OT 35°C
- 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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