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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Contents
18.10.2002
4.107
Display of actual value of return temperature B72.................................163
Hours run counter..................................................................................................164
4.108
Operating hours of pump of the wood-fired boiler..................................164
4.109
Operating hours of wood-fired boiler (K3)..............................................164
4.110
Number of releases of the wood-fired boiler (K3) ..................................164
Functions ...............................................................................................................165
4.111
Minimum temperature differential of the wood-fired boiler.....................165
4.112
Minimum temperature of the wood-fired boiler for release of the pump 166
4.113
Switching differential of “Minimum temperature of the wood-fired boiler for
release of the pump”..............................................................................................167
4.114
Pump overrun time.................................................................................167
4.115
Strategy for the wood-fired boiler...........................................................168
4.115.1
Generation of heat demand (Setting 1)..................................................169
4.115.2
Storage tank priority ...............................................................................169
4.116
Wood-fired boiler locks other heat sources............................................170
4.117
Frost protection for the plant with the pump of the wood-fired boiler.....170
Residual heat function ...........................................................................................171
4.118
Maximum duration of the residual heat function ....................................171
4.119
Residual heat function performed once / several times.........................172
4.120
Residual heat function with buffer storage tank stratification protection172
4.121
Residual heat function directly for the consumers .................................173
Speed-controlled pump of wood-fired boiler..........................................................174
4.122
Display of speed of pump Q10 of the wood-fired boiler.........................174
4.123
Minimum speed of pump of the wood-fired boiler..................................174
4.124
Maximum speed of pump of the wood-fired boiler.................................174
Diagnosis ...............................................................................................................175
4.125
Functional test of the wood-fired boiler ..................................................175
Heat pump .............................................................................................................175
Setpoints / actual values........................................................................................175
4.126
Display of heat pump flow temperature setpoint....................................175
4.127
Actual value of the heat pump flow temperature B21 ............................176
4.128
Display of heat pump return temperature setpoint.................................176
4.129
Display of actual value of heat pump return temperature B71...............176
4.130
Actual value of water / brine flow temperature B11 ...............................176
Hours run counter..................................................................................................177
4.131
Operating hours heat pump stage 1 (K1)...............................................177
4.132
Operating hours heat pump stage 2 (K2)...............................................177
4.133
Number of starts of heat pump stage 1 (K1)..........................................178
4.134
Number of starts of heat pump stage 2 (K2)..........................................178
Functions ...............................................................................................................179
4.135
Control sensors for the heat pump.........................................................179
4.136
Heat pump switching differential ON......................................................180
4.137
Heat pump switching differential OFF....................................................180