Siemens RVA53.242 - Overview of OEM Parameters

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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Handling 26.03.2001
2.6.1 Overview of OEM parameters
RVA63.242 RVA53.242 Function Range Unit Resolution Factory setting
Heat source
1 1 Min. limitation of boiler temperature OEM
(TKmin
OEM
)
Tkmin Line 81
8...TKmin °C 1 40
2 2 Max. limitation of boiler temperature (TKmax)
Tkmin Line 81
TKmin...120 °C 1 80
3 3 Switching differential of boiler temperature 0...20 °C (K) 1 8
4 4 Min. limitation of burner running time 0...10 min 1 4
5 5 Release limit (integral) of burner stage 2 0...500 °C (K) min 1 50
6 6 Reset limit (integral) of burner stage 2 0...500 °C (K) min 1 10
8 8 Pump overrun time
(after burner OFF)
0...20 min 1 5
9 9 Operating mode of boiler
0 Continuous mode: without extended burner
running time
1 Automatic mode: without extended burner
running time
2 Automatic mode: with extended burner
running time
0...2 - 1 1
10 10 Protective boiler start-up
0 No
1 Yes
0 / 1 - 1 1
12 12 Control of boiler pump
0 Max. temperature requisition
1 Parallel to burner operation
0 / 1 - 1 0
13 13 Air damper running time (s) 7.5...480 s 60
14 14 Proportional band (Xp) 1...200 °C (K) 1 20
15 15 Integral action time (Tn) 10...500 s 1 150
16 16 Derivative action time (Tv) 0...30 s 0.25 4.5
17 17 Switching differential air damper actuator 0...20 °C (K) 1 2
20 20 Maintained boiler return temperature with mixing
valve
0 Inactive
1 Active
0 / 1 - 1 0
21 21 Maintained boiler return temperature with
consumer influence
0 / 1 - 1 1
22 22 Min. limitation of boiler return temperature 8...95 °C 1 8
23 23 Switching differential of bypass pump (SDBP) 0...20 °C (K) 1 6
24 24 Control of bypass pump
0 Parallel to burner operation
1 According to the boiler return temperature
0 / 1 - 1 0
Heating circuit
30 30 Boost of flow temperature setpoint mixing valve
(UEM)
0...50 °C (K) 1 10
31 31 Gain factor of room influence (KORR) 0...20 - 1 4
32 32 Constant for quick setback and optimum start
control (KON)
0...20 - 1 2
33 33 Boost of the room temperature setpoint (DTRSA)
(with boost heating)
0...20 °C (K) 1 5