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Viessmann
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B0KA
Page 88
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88
N
Stepper motor for diverter valve
O
Outside temperature sensor
P
Remote control (OpenTherm controller)
R
Cylinder temperature sensor (system boiler only)
Connection and wiring diagram
HBMU heat management unit
(cont.)
6179762
Appendix
87
89
Table of Contents
Main Page
Index Index
6
Table of Contents
6
Symbols
8
Information Disposal of Packaging
8
Gas Council no
8
Intended Use
9
Product Information
9
Type Plate
9
System Examples
10
Maintenance Parts and Spare Parts
10
Viessmann Partnershop
10
Viessmann Spare Part App
10
Preparing for Installation
11
Installation Sequence Removing the Boiler from the Packaging
15
Mounting the Boiler on the Pre-Plumbing Jig or Mounting Frame
16
Mounting the Boiler and Making Connections
16
Removing the Front Panel
16
Fitting the Boiler to the Wall Mounting Bracket
18
Heating Water and DHW Connections
20
Condensate Connection
21
Filling the Trap with Water
21
Flue Gas Connection
22
Connecting Several Vitodens to a Shared Flue System
22
Gas Connection
22
Electrical Connections
23
Opening the Wiring Chamber
23
Overview of Electrical Connections
24
Connecting the Cylinder Temperature Sensor
25
On-Site Connections on the HBMU Heat Management Unit
25
Outside Temperature Sensor
25
Power Supply
26
Routing Connecting Cables/Leads
26
Closing the Wiring Chamber
27
Mounting the Front Panel
27
Commissioning, Inspection, Maintenance Steps - Commissioning, Inspection and Maintenance
28
Commissioning, Inspec-Steps - Commissioning, Inspection and Maintenance
28
Commissioning the System
29
Filling the Heating System
31
Checking All Connections on the Heating Water and DHW Sides for Leaks
32
Venting the Heating System
32
Checking the Gas Type
33
Removing the Front Panel
33
Checking the Static Pressure and Supply Pressure
34
Function Sequence and Possible Faults
36
Adjusting the Integral Circulation Pump Rate
37
Performing an Actuator Test
37
Setting the Maximum Heating Output
37
Burner Adjustment When Connecting Multiple Flues to a Shared Flue System
39
Checking the Balanced Flue System for Leaks (Annular Gap Test)
39
Removing the Burner
40
Checking the Burner Gasket and Burner Gauze Assembly
41
Checking and Adjusting the Ignition and Ionisation Electrodes
42
Checking the Back Draught Safety Devices
42
Checking the Condensate Drain and Cleaning the Trap
43
Cleaning the Heating Surfaces
43
Checking the Neutralising System (if Installed)
45
Installing the Burner
45
Checking the Flow Limiter (Only for Gas Condensing Combi Boiler)
46
Checking All Gas Equipment for Leaks at Operating Pressure
47
Checking the Electrical Connections for Firm Seating
47
Checking the Expansion Vessel and System Pressure
47
Checking the Safety Valve Function
47
Checking the Combustion Quality
48
Fitting the Front Panel
48
Checking the External LPG Safety Valve (if Installed)
49
Checking the Flue System for Unrestricted Flow and Leaks
49
Adjusting the Heating Curve
50
Instructing the System User
50
Matching the Control Unit to the Heating System
50
(Parameters) Parameters
51
System Configuration Calling up Parameters
51
Energy Saving Functions (Setting Only Via Software Tool)
52
Checking Operating Data
54
Checks Calling up the Service Menu
54
Diagnosis
54
Diagnosis and Service Service Menu
54
Exiting the Service Menu
54
Resetting the Burner
56
Troubleshooting Fault Display on the Programming Unit
56
Fault Messages
57
Overview of Electronics Modules
57
Repairs
74
Shutting down the Boiler
74
Removing the Boiler from the Pre-Plumbing Jig or Mounting Frame
75
Checking the Temperature Sensors
76
Replacing the HBMU Heat Management Unit
78
Replacing the HMI Connecting Cable
78
Replacing the Power Cable
78
Checking the Plate Heat Exchanger
79
Removing the Hydraulic Unit
80
Checking the Fuse
81
Filling Program
82
Function Description Appliance Functions
82
Heating Curve
82
Heating Mode
82
Opentherm Controller
82
Venting Program
82
DHW Heating (System Boilers Only)
84
External Heating Circuit Hook-Up (if Installed)
84
Connection and Wiring Dia-HBMU Heat Management Unit
85
Gram HBMU Heat Management Unit
87
Commissioning/Service
89
Specification Gas Condensing System Boiler
90
Gas Condensing Combi Boiler
93
Electronic Combustion Control Unit
96
Disposal Final Decommissioning and Disposal
97
Certificates Declaration of Conformity
98
Keyword Index
99
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