Siemens RVA63.242 - Page 30

30/218
Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Handling 26.03.2001
RVA63.242 RVA53.242 Function Range Unit Resolution Factory setting
120 120 Reduced setpoint of d.h.w. temperature (TBWR)
TBWw Line 26
8...TBWw °C 1 40
121 121 D.h.w. program
0 24 h/day
1 System heating program with forward shift
2 Time switch program 3
0...2 - 1 1
122 122 Switching program selection circulating pump
0 According to time switch program 2
1 According to the d.h.w. program (line 121)
0 / 1 - 1 1
123 - Assignment of d.h.w. heating
0 Local heating circuit
1 All heating circuits in the system
2 All heating circuits in the system
0...2 - 1 2
124 124 D.h.w. charging
0 Once per day with a forward shift of 2.5 hours
1 Several times per day with a 1 h forward shift
0 / 1 - 1 1
125 125 Type of d.h.w. demand
0 Sensor
1 Control thermostat
0 / 1 - 1 0
126 126 Boost of flow temperature setpoint for d.h.w.
heating (UEBW)
0...30 °C (K) 1 16
127 127 D.h.w. priority
0 Absolute (mixing and pump heating circuit)
1 Shifting (mixing and pump heating circuit)
2 None (parallel)
3 Mixing heating circuit (shifted), pump heating
circuit absolute
0...3 - 1 1
128 128 Controlling element for d.h.w.
0 Charging pump
1 Diverting valve
0 / 1 - 1 0
129 - Separate d.h.w. circuit
0 Off
1 ON
0 / 1 - 1 0
Cascade
130 130 Changeover of boiler sequence in a cascade 2 x
single-stage
- - - No automatic changeover (fixed boiler sequence)
10...990
Changeover according to the selected number of
hours
- - - / 10...990 - / hours 10 500
131 131 Release integral for boiler sequence 0...500 K*min 1 200
132 132 Reset integral for sequence 0...500 K*min 1 50
LPB / system
140 - LPB device address
0 Standalone
1...16 Device address (system)
0...16 - 1 0
141 - LPB segment address
0 Heat source segment
1...14 Heat consumption segments
0...14 - 1 0
142 - LPB power supply
0 Off (central bus power supply)
1 Auto (bus power supply via controller)
0 / 1 - 1 1
143 - Display of LPB power supply On / OFF - -
145 - Range of action of central changeover
0 In the segment
1 In the system (if segment address = 0)
0 / 1 - 1 1
146 - Automatic summer / winter changeover
0 Local change
1 Central changeover of all heating circuits
0 / 1 - 1 0