28/166
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
