Viega Grundfix Plus-Control Manual page 66

Grundfix Plus-Control - Modell 4987.41
Operating instructions
Grundfix Plus-Control - Model 4987.41
Backflow valve for domestic wastewater containing faeces
The "Assembly", "Commissioning" and "Inspection/Maintenance" chapters are intended solely for the professional technician.
The "Operation" and "Troubleshooting" chapters provide the operator with comprehensible information about normal operation
and troubleshooting.
Contents
Safety Advice
Intended Use
Site of Installation / Installation Conditions
Scope of delivery / Components
Backflow valve (A)
Control unit components (B)
Replacement parts
Assembly
Example of installation - residential building in accordance with DIN EN 12056 (C)
Backflow valve (D)
Connection line and pressure hose (E)
Control unit connection (F)
Technical Data
Commissioning
Prerequisites
Control unit - initialisation
Pressure test
Inspection and maintenance
Inspection
Maintenance (Cleaning/functionality test and pressure test G)
Operation (H)
Button functions in normal operation
Button functions in case of backflow
Button functions in case of faults
Troubleshooting
Overview of error messages on the display
Troubleshooting by non-qualified persons
Troubleshooting by specialists
Emergency battery operation
Function/Emergency shutdown
Assembly / replacement
Display lighting
Documentation
Maintenance contract
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69 - 71
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72 - 73
74 - 76
76- 78
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