Viessmann Vitomax HS M73 Operating And Service Instructions page 5

Index
1. Information
2. Functions
3. Shutdown and preserva-
tion
4. Water quality
5. Commissioning
6. Monitoring
Symbols .................................................................................................
Note .......................................................................................................
Designation of boiler types ....................................................................
Intended use ..........................................................................................
Systems with operating temperatures
Installation overview ..............................................................................
Description of selected components in a steam boiler system .............. 10
Level electrodes to
qP
■
Safety valve ................................................................................... 11
wP
■
Air vent shut-off valve
■
Steam shut-off valve
wW
■
Blow-down and
wT wZ
■
TDS unit and ............................................................................ 12
wU wI
■
Water level indicator
rP
■
Pressure monitoring unit
■
Sample cooler ............................................................................... 14
rZ
■
Shutdown ............................................................................................... 15
Steps to shut down the boiler ............................................................. 15
■
Brief interruption in operation
■
Interruption in operation
■
Information on maintenance .................................................................. 18
Preventing excessive flue gas temperatures ...................................... 18
■
Standard values for water quality .......................................................... 19
Raw water .............................................................................................. 19
Top-up water .......................................................................................... 19
Condensate return ................................................................................. 19
Water treatment system ......................................................................... 19
Saline boiler feedwater requirements .................................................... 20
Organic substances ............................................................................ 20
■
Conditioning ........................................................................................ 21
■
Sampling of water and steam ............................................................. 23
■
Sample analysis ................................................................................. 23
■
Test equipment and standardised analysis procedures ...................... 23
■
Recommendation for commissioning ..................................................... 25
Preparations for commissioning ............................................................ 25
Commissioning sequence ...................................................................... 25
Commissioning the control panel ....................................................... 25
■
Commissioning the feedwater pumps ................................................ 26
■
Filling the boiler with feedwater .......................................................... 26
■
Adjusting the water level control ......................................................... 26
■
Checking the water level limiter .......................................................... 26
■
Commissioning the burner .................................................................. 27
■
Function check of the safety pressure limiter ..................................... 27
■
Safety valve function check ................................................................ 27
■
TDS controller adjustment .................................................................. 28
■
Checking the closures on the water side ............................................ 28
■
Commissioning following boiler idle time ............................................... 28
Boilout .................................................................................................... 28
Report .................................................................................................... 28
Instructions ............................................................................................ 28
Recommendation for monitoring ............................................................ 29
Testing intervals .................................................................................. 29
■
Operator's log ........................................................................................ 29
What to do in the event of operating faults ............................................ 29
110 °C .....................................
>
................................................................... 10
qW
(optional) .................................................... 11
wQ
...................................................................... 11
......................................................................... 12
...................................................................... 12
to ...................................................... 13
rQ rR
3 days ............................................... 15
≤
3 days ....................................................... 16
>
Index
7
7
7
8
8
9
5