Single-Stage Burner; 2-Stage Burner - Siemens RVA63.280 Basic Documentation

Note
132/184
Siemens Building Technologies
Landis & Staefa Division
3.3.1

Single-stage burner

• Setpoint for switching on: If the boiler temperature (TKx) falls by more than half the
switching differential below the currently valid boiler temperature setpoint (TKw), the
burner will be switched on
• Setpoint for switching off: If the boiler temperature (TKx) exceeds by more than half
the switching differential the currently valid boiler temperature setpoint (TKw), the
burner will be switched off
The time switching off occurs can be delayed by the minimum burner running time. Also
refer to setting 04 .
OEM
°C
40°C
1
BR
0
BR Burner
TKx Actual value of boiler temperature
TKw Boiler temperature setpoint
3.3.2

2-stage burner

The second burner stage will be activated and deactivated according to the following
settings:
• Release limit Setting 05
• Reset limit
Setting 06
Basic Dokumentation RVA63.280, RVA53.280
TKx
SDK
t
OEM
OEM
TKw+SDK½
TKw
TKw-SDK ½
t
Switching differential
Time
CE1P2374E
19.04.2001