Siemens RVA47.320 - Overview of OEM Parameters

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Handling 15.07.2002
2.6.1 Overview of OEM parameters
Line Function Range Unit Resolution Factory
setting
Heat source OEM
1
Minimum limitation of the boiler temperature:OEM
1)
(TKminOEM)
8...95 °C 1 8
2 Maximum limitation of the boiler temperature (TKmax) 8...120 °C 1 80
8 Pump overrun time
(after burner OFF)
0...20 min 1 5
22 Minimum limitation of boiler return temperature 8...95 °C 1 8
25 Calibration of actual output value BMU 1
1)
-100...100 - 1 0
26 Calibration of actual output value BMU 2
1)
-100...100 - 1 0
27 Calibration of actual output value BMU 3
1)
-100...100 - 1 0
28 Calibration of actual output value BMU 4
1)
-100...100 - 1 0
Space heating OEM
30 Gain factor of room influence (KORR) 0...20 - 1 4
31 Constant for quick setback (KON)
(without room sensor)
0...20 - 1 2
32 Boost of room temperature setpoint
(with boost heating)
0...20 K (°C) 1 5
33
Frost protection for the plant
0 Inactive
1 Active
0 / 1 - 1 1
34 overtemperature protection for the pump heating circuit
0 Inactive
1 Active
0 / 1 - 1 1
35 Heat gains (Tf) -2...+4 °C 0,1 0
36 adaption sensitivity 1 1...15 - 1 15
37 adaption sensitivity 2 1...15 - 1 15
D.h.w. OEM
40 Maximum nominal setpoint of the d.h.w. temperature
(TBWmax)
8...80 °C 1 60
41 Switching differential of the d.h.w. temperature 0...20 K (°C) 1 5
42 Legionella function
0 = OFF
1 = ON
0 / 1 - 1 1
43 setpoint of the legionella function 8...95 °C 1 65
44
Protection against discharging during d.h.w. heating
0 = no protection against discharging
1 = always protection against discharging
2 = protection against discharging only when heat generation is
locked
0...2 - 1 2
Cascade settings OEM
50 cascade management strategy
1 autonomous 1
2 autonomous 2
3 autonomous 3
4 linked 1
5 linked 2
6 linked 3
1...6 - 1 2
51 Lower limit of output range (Pmin) 0...Pmax % 1 40
52 Upper limit of output range (Pmax) Pmin...100 % 1 90
56 Mandatory time on basic stage when boilers are added 10...1200 s 10 60
60 Minimum temperature differential at the pressureless
header
0...20 K (°C) 1 4