Siemens RVA47.320 - Page 25

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Handling 15.07.2002
Line Function Range Unit Resolution Factory
setting
124 D.h.w. charging
0 Once per day (forward shift 2.5 h)
1 Several times per day (forward shift 1h)
0 / 1 - 1 1
125 Type of d.h.w. demand
0 Sensor
1 Control thermostat
0 / 1 - 1 0
126 Flow temperature boost for d.h.w. 0...30 K 1 16
127 d.h.w. priority
0 MK + PK absolute
1 MK + PK shifting
2 None (parallel)
3 MK shifting, PK absolute
0...3 1 1 1
129 demand for heat with reduced d.h.w. setpoint
0 No (application with buffer storage tank)
1 Yes
0 / 1 - 1 1
Boiler cascade
130 changeover of boiler sequence in cascades
--- No automatic changeover (fixed boiler sequence)
10...990 Changeover according to the selected number of hours
--- / 10...990 - / hours 10 500
131 Exclusion with autom. changeover of boiler
sequence
0 None
1 First boiler
2 Last boiler
3 First and last boiler
0...3 - 1 0
132 Lead boiler with the fixed sequence 00.1...16.3 - 01.1 -
133 Switch-on delay lag boilers 2...120 min 1 5
134 Restart lock of BMUs 0...1800 s 10 300
LPB / system
140 LPB device address
0 Standalone
1...16 Device number
0...16 - 1 1
141 LPB segment address
0 Central segment (heat generation)
1...14 Segment (heat consumers)
0...14 - 1 0
142 LPB power supply
0 Off (central bus power supply)
1 AUTOMATIC (controller - bus power supply)
0 / 1 - 1 1
143 Displaying the LPB power supply ON / OFF - - -
144 displaying the LPB communication 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 Effect on local heating circuit only
1 Central changeover of all heating circuits
0 / 1 - 1 0
147 Central standby switch
0 OFF (Inactive)
1 ON (all units on standby)
0 / 1 - 1 0
148 clock mode
0 Autonomous clock
1 System time without remote adjustment
2 system time with remote adjustment
3 System clock (master)
0...3 - 1 3
149 Winter- / summertime changeover 01.01...31.12 tt.MM 1 25.03
150 Summer- / wintertime changeover 01.01...31.12 tt.MM 1 25.10
input H1
170 input H1
0 Changeover of operating mode (HC standby / d.h.w. off)
1 Changeover of operating mode (HC standby)
2 Minimum setpoint of flow temperature (setting on line 171)
3 Heat generation lock
4 Heat demand DC 0...10 V
0...4 - 1 0