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QAA74
Siemens QAA74 User Manual
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Overview
1
Design o
f QAA74 room
units
9
Si
emen
s
Grap
hica
l Us
er In
terf
ac
e UI4
00
C
E1U2
3
48en
Bui
ldin
g T
ec
hnol
og
ies
20
14-
06-
03
1.2
Design of QAA74 room
units
①
Contr
ol
knob
②
Display
①
Housing
②
Mounting
pla
te
③
Snapper
to
release/attach
the
mounting
plate
①
USB
conne
ction
②
Snapper
to
release/attach
the
mounting
plate
Face v
iew
Rear view
Bott
om view
8
10
Table of Contents
Legal Note
2
Overview
7
Design of QAA74 Room Units
9
Design AVS74 Operator Units
10
Engineering Use
11
Operator Units AVS74
14
Mount and Connect
19
Mounting QAA74 Room Unit
20
Surface Mount Cable Routing
25
Uninstall QAA74
28
Switch on Room Unit QAA74
29
Mount AVS74 Operator Unit
30
Front Side Installation (AVS74.261)
31
Rear Side Installation (AVS74.661, AVS74.761)
32
Switch-On Operator Unit AVS74
34
USB Connection, Unlock Button
35
Operation
36
Plant Operation, Quick Access
41
Operate Start
42
Operating Heating/Cooling
44
Operate Ventilation
50
Operate Hot Water
53
Evaluate Plant and Set
56
Evaluate and Operate Info
57
Operate Messages (Errors, Maintenance Messages)
58
Plant Information
61
Energy Consumption
63
Operating Service/Setting
64
Regional Settings
65
Operate Special Functions
66
Set Important Plant Parameters
68
Login to Expert View
69
Commission Plant Using the Commissioning Wizard
71
Analyze Plant and Set
73
Test Plant, Diagnostics
74
Example Input/Output Test
75
Set Plant and Troubleshoot
77
Complete Parameter List
78
Start Commissioning Wizards
80
Update Operator Unit
81
Technical Data
82
Avs74
84
Additional Information
85
Appendix
86
Settings in Detail
88
Special Operations
94
Manual Operation
96
Unlock Button on Boiler Management Units
99
4
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Siemens QAA74 Specifications
General
Brand
Siemens
Model
QAA74
Category
Recording Equipment
Language
English
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