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Siemens

Basic Documentation RVP360

CE1P2546en

Building Technologies

10 Function block: Pump heating circuit

2017-07-24

10 Function block: Pump heating circuit

This function block ensures protection against overtemperatures in the pump heat-
ing circuit.

10.1 Operating line

Line Function, parameter

Factory setting

(range)

Unit

Heating

circuit

75

Overtemperature protection for the pump heating circuit

1 (0 / 1)

-

1

10.2 Protection against overtemperatures

The flow temperature can be higher than the temperature called for by the pump
heating circuit. This is the case when some other consumer (heating circuit 2 or
some other heating zone) generates a higher flow temperature setpoint than the
pump heating circuit.
The controller offsets the surplus energy by letting the heating circuit pump cycle,
thus preventing the pump heating circuit from overheating.

The pump’s cycling time is fixed at 10 minutes. The on time is calculated as fol-
lows:

T

Vw

T

Rw

= ––––––––––––

*

10 [min]

T

Kx

T

Rw

On time in minutes

T

Rw

Room temperature setpoint

T

Vw

Flow temperature setpoint

T

Kx

Boiler temperature

The on time of the heating circuit pump is limited as follows:

The pump’s minimum on time is 3 minutes
If the calculated on time exceeds 8 minutes, the pump runs continuously

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Содержание RVP360

Страница 1: ...Edition 2 0 Controller series A CE1P2546en 2017 07 24 Building Technologies RVP360 Heating controller for 2 heating circuits and d h w Basic Documentation ...

Страница 2: ...es 2017 07 24 Published by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH 6301 Zug Switzerland Tel 41 58 724 24 24 www siemens com sbt Siemens Switzerland Ltd 2011 Delivery and technical specifications subject to change ...

Страница 3: ... types with regard to d h w 14 3 2 3 Selectable combinations 14 3 3 Setting levels function blocks and plant types 16 3 4 Heating circuit operating modes 16 3 5 D h w heating modes 17 3 6 Manual control 17 3 7 Plant type and operating mode 18 3 8 Operating state and operating level 18 4 Acquisition of measured values 19 4 1 Room temperature A6 B5 A6 B52 19 4 1 1 Types of sensors 19 4 1 2 Error han...

Страница 4: ...eneral 28 7 1 Operating lines 28 7 2 Scheduler program 2 28 7 3 Time of day and date 28 7 4 Faults 29 8 Function block Plant configuration 30 8 1 Operating line 30 8 2 General 30 9 Function block Space heating 31 9 1 Operating lines 31 9 2 Automatic ECO function 31 9 2 1 Compensating and auxiliary variables 31 9 2 2 Heating limits 32 9 2 3 Mode of operation 33 9 3 Room temperature source 33 9 4 Op...

Страница 5: ...erating mode 48 12 3 Limitations 49 12 3 1 Maximum limitation of boiler temperature 49 12 3 2 Minimum limitation of boiler temperature 49 12 3 3 Actions during d h w heating 49 12 4 2 position control 50 12 4 1 Control with 1 stage burner 50 12 4 2 Control with 2 stage burner 51 12 4 3 Frost protection for the boiler 52 12 4 4 Protective boiler startup 52 12 4 5 Protection against boiler overtempe...

Страница 6: ... 65 15 Function block Multifunctional relay 66 15 1 Operating line 66 15 2 Functions 66 15 2 1 No function 66 15 2 2 Relay energized in the event of fault 67 15 2 3 Relay energized when there is demand for heat 67 15 2 4 Circulating pump 67 15 2 5 Collector pump 68 15 2 6 Type of d h w charging 69 16 Function block Legionella function 70 16 1 Operating lines 70 16 1 1 Setpoint switching on off 70 ...

Страница 7: ...edium 87 18 3 8 Maximum limitation of charging temperature 87 18 3 9 Maximum limitation of storage tank temperature 88 18 3 10 Collector start function 88 19 Function block Locking functions 89 19 1 Operating line 89 19 2 Locking settings on the software side 89 20 Communication 90 20 1 Interplay with room units 90 20 1 1 General 90 20 1 2 Interplay with room unit QAA50 110 101 90 20 1 3 Interplay...

Страница 8: ...s Basic Documentation RVP360 CE1P2546en Building Technologies Contents 2017 07 24 23 Mechanical design 101 23 1 Basic design 101 23 2 Dimensions 101 24 Addendum 102 24 1 Technical data 102 24 2 Revision history 102 ...

Страница 9: ... relay provides additional control functions if required Heating curve adjustment is digital Readjustments of the room temperature of each heating circuit are made with knobs All other parameter settings are made based on the operating line principle The RVP360 controller can communicate with other LPB compatible devices in the system via LPB Local Process Bus Key design features Operating voltage...

Страница 10: ...e used Electromotoric or electrohydraulic 3 position actuators with a running time of 30 873 seconds 2 position actuators Operating voltage AC 24 230 V 1 3 4 Communication The RVP360 is capable of communicating with all types of LPB compatible controllers supplied by Siemens the SYNERGYR central unit OZW30 software version 3 0 or higher 1 3 5 Documentation Type of document Document no Stock no Dat...

Страница 11: ...radiators convectors floor heating systems ceiling heating systems radiant panels 2 4 Heating circuit functions The RVP360 controller is used if one or several of the following heating circuit func tions is are required Weather compensated flow temperature control Flow temperature control via a modulating valve 3 or 2 position actuator in the mixing circuit or direct burner control of the pump cir...

Страница 12: ...rease For the programmed heating and d h w circuits and their possible combinations refer to chapter 3 2 Plant types 2 5 D h w functions The RVP360 controller is used if one or several of the following d h w functions is are required D h w storage tank charging through control of a charging pump with or without circulating pump D h w storage tank charging via solar collectors D h w storage tank ch...

Страница 13: ...imitation of return temperature D h w Multifunctional relay Legionella function Service functions and general settings Solar d h w Locking level Locking functions 3 2 Plant types When commissioning a plant the respective plant type must be entered The required functions settings and displays are then automatically assigned and parameters that are not required will be hidden Plant types are usually...

Страница 14: ...cuit Type of d h w heating RVP360 4 0 2 space heating systems with mix ing valve No d h w 4 1 2 space heating systems with mix ing valve Storage tank with charg ing pump 5 0 2 space heating systems with mix ing valve precontrol with boiler No d h w 5 1 2 space heating systems with mix ing valve precontrol with boiler Storage tank with charg ing pump 6 0 1 space heating system with mix ing valve 1 ...

Страница 15: ...e 2 B12 Flow sensor heating circuit 2 K6 Multifunctional output B2 Boiler sensor M1 Circulating pump B31 D h w storage tank sensor thermostat M2 Heating circuit pump heating circuit 1 B32 D h w storage tank sensor thermostat M3 Storage tank charging pump B5 Room sensor heating circuit 1 M6 Heating circuit pump heating circuit 2 B52 Room sensor heating circuit 2 N1 Controller RVP360 B6 Collector se...

Страница 16: ... the different plant types 3 4 Heating circuit operating modes The operating mode is selected on the controller as follows Select the required heating circuit with button 1 2 Press the respective operating mode button Automatic operation Automatic switching over from NORMAL to REDUCED temperature and vice versa according to the 7 day program entered Automatic switching over to holiday mode and bac...

Страница 17: ...urs a day OFF button dark No d h w heating Frost protection is ensured Solar d h w heating is always released independent of the d h w heating mode 3 6 Manual control The RVP360 controller can be switched to manual control In that case automatic control is deactivated During manual control the various actuating devices behave as follows Heating circuit mixing valve 2 port valve Dead but valve can ...

Страница 18: ...erating level The user selects the required operating mode by pressing the respective button Each operating mode has a maximum of 2 operating states with the exception of operating mode Continuously NORMAL heating only 1 operating state When the automatic ECO function is active and with quick setback the operating state is always OFF When the operating state is ON there is a maximum of 3 operating...

Страница 19: ... circuit the control responds as follows depending on the room tempera ture source setting on operating line 65 No sensor operating line 65 0 A short circuit or an interruption has no impact on the control An error message is not delivered Room unit connected to terminal A6 operating line 65 1 In the event of a short circuit or an interruption the control continues to operate with the room model d...

Страница 20: ...en to the fully closed position when using a mixing circuit and the heating circuit pump is deactivated when using a pump circuit If there is a short circuit or an interruption and the flow temperature is queried the display of the QAW70 room unit shows 4 3 Boiler temperature B2 4 3 1 Types of sensors The boiler temperature is required with plant types 5 x and 6 x Suitable are Siemens sensors oper...

Страница 21: ... This measured value is required for the minimum limitation of the return tempera ture In interconnected plants the return temperature with plant type 4 x can be ac quired via data bus Controllers with plant type 4 x and connected sensor forward the return temperature via data bus 4 5 2 Error handling If in the event of a short circuit or an interruption of the measuring circuit the con troller re...

Страница 22: ...rcuits an error message is delivered The con troller continues to operate with the correctly working measuring circuit If there is neither an interruption thermostat open nor a short circuit thermostat closed in both measuring circuits 2 error messages are delivered D h w is no longer heated the charging pump will be deactivated In the event of a short circuit or an interruption of one of the 2 me...

Страница 23: ...sor The collector temperature is acquired by a Siemens sensor operating with a sens ing element LG Ni1000 and an extended measuring range 4 7 2 Error handling In the event of an interruption of the measuring circuit an error message is deliv ered with a delay of 12 hours and the collector pump is deactivated This means that solar d h w heating is no longer provided ...

Страница 24: ... 15 C 30 20 70 C 1 2 15 Heating curve flow temperature setpoint at an outside temperature of 5 C 60 20 120 C 1 2 In column Heating circuit it is indicated for each operating line which heating cir cuit can be set and how the setting affects the heating circuits Meaning 1 settings only apply to heating circuit 1 2 settings only apply to heating circuit 2 1 2 settings must be made separately for bot...

Страница 25: ... can be entered This simplifies the settings If weekend times differ enter the times for the entire week first then change days 6 and 7 as required The entries are sorted and overlapping heating phases are combined 5 4 Holiday program One holiday period per year can be programmed At 00 00 of the first day of the holiday period switching over to the setpoint for holiday protection mode takes place ...

Страница 26: ...operating line 127 If d h w heating is switched to the electric immersion heater setpoint adjustment becomes inactive since the thermostat of the electric immersion heater ensures temperature control of the storage tank The d h w temperature setpoints for NORMAL and REDUCED are used when the d h w heating mode is set to ON With OFF and during holiday periods the frost protection setpoint applies 6...

Страница 27: ...er d h w 2017 07 24 6 3 Actual value Operating line 27 displays the current d h w temperature When using 2 d h w sensors B31 and B32 the temperature of the warmer sensor is displayed When using thermostats the actual value of the d h w temperature cannot be dis played In that case the display shows ...

Страница 28: ...am for the circulating pump As a scheduler program for the release of d h w heating Scheduler program 2 of the controller allows up to 3 ON phases per day also every weekday can have different ON phases As with the heating program it is not the switching times that are to be entered but the periods of time during which the program or the controlled function shall be active Using setting 1 7 on ope...

Страница 29: ...t room sensor B52 in heating circuit 2 66 Fault room unit A6 in heating circuit 2 67 Device with wrong PPS identification connected in heating circuit 2 73 Fault collector sensor B6 81 Short circuit on data bus LPB 82 2 devices with the same bus address LPB 86 Short circuit PPS 100 2 clock masters on the data bus LPB 140 Inadmissible bus address LPB If a fault occurs the LCD displays Er In interco...

Страница 30: ... 51 Plant type RVP360 5 1 4 0 4 1 5 0 5 1 6 0 6 1 8 2 General When commissioning a plant the respective plant type must be entered first This ensures that the functions required for the specific type of plant the parameters and operating lines for the settings and displays are activated All plant specific variables and operating lines for use with the other plant types will be hidden They will not...

Страница 31: ... The automatic ECO function ensures that the heating system operates only or us es energy only when indeed required 9 2 1 Compensating and auxiliary variables The compensating and auxiliary variables considered by the automatic ECO func tion are the progression of the outside temperature and the heat storage capacity of the building The following variables are taken into account The building time ...

Страница 32: ...TAD Attenuated outside temperature kt Building time constant 0 5 10 15 20 25 TAD TAM t 2522D17 TA TA Progression of current composite and attenuated outside temperature TA Current outside temperature TAM Composite outside temperature TAD Attenuated outside temperature t Time 9 2 2 Heating limits 2 heating limits can be set ECO day for NORMAL heating ECO night for the lower temperature level This c...

Страница 33: ...e ECO day heat ing limit The action of the automatic ECO function depends on the operating mode Operating mode or operating state Automatic ECO function Current heating limit Automatic operation Active ECO day or ECO night Continuously REDUCED heating Active ECO night Continuously NORMAL heating Inactive Protection holiday mode Active ECO night Manual control Inactive 9 3 Room temperature source T...

Страница 34: ...acquired by a room sensor or room unit or the room model 9 4 3 Optimization with room sensor When using a room sensor room unit it is possible to have both optimized switch ing on and optimized switching off To be able to optimally determine the switch on and switch off points optimization needs to know the building s heating up and cooling down characteristics always as a function of the prevaili...

Страница 35: ...DUCED room temperature TRw Boost of room temperature setpoint with boost heating TRx Actual value of room temperature 9 4 6 Room model temperature To determine the room temperature generated by the room model a distinction must be made between 2 cases The controller is not in quick setback mode The room temperature according to the room model is identical to the current room temperature setpoint T...

Страница 36: ... the switch over point such that when occupancy ends the room temperature will lie 0 5 C below the setpoint for NORMAL heating early shutdown Optimized switching off can be deactivated by entering 0 hours for maximum early shutdown 9 4 8 Quick setback When changing from the NORMAL temperature to a lower temperature level REDUCED or holidays frost the heating is shut down It remains shut down until...

Страница 37: ...room model is effected only if previously quick setback took place Optimized switching on can be deactivated by entering 0 hours for the maximum heating up time 9 4 10 Boost heating For boost heating a room temperature setpoint boost can be set After switching over to the NORMAL temperature the higher room temperature setpoint applies resulting in an appropriately higher flow temperature setpoint ...

Страница 38: ... of room temperature setpoint with boost heating 9 5 Room functions 9 5 1 Maximum limitation of room temperature For the room temperature it is possible to have an adjustable maximum limitation Required for that purpose is a room sensor or room unit A room temperature lying 1 C above the limit value leads to a room temperature setpoint reduction of 4 C Maximum limitation of the room temperature is...

Страница 39: ... no impact of room temperature deviation on the generation of setpoint 20 maximum impact of room temperature deviation on the generation of setpoint The room temperature setpoint change TRw is calculated according to the follow ing formula VF TRw K TRw TRx 2 TRw TR TRw The flow temperature setpoint change TVw resulting from the change of room temperature setpoint is calculated as follows TVw K TRw...

Страница 40: ...t an outside temperature of 15 C The basic settings during the commissioning phase are made based on the plan ning documentation or according to local practices They are made on operating lines 14 and 15 Op line Setpoint 14 Flow temperature setpoint at an outside temperature of 15 C 15 Flow temperature setpoint at an outside temperature of 5 C 2474Z06 120 110 100 90 80 70 60 40 30 20 10 20 15 10 5...

Страница 41: ... to the characteristic of low temperature heating systems Slope s is calculated according to the following formula TVw 5 TVw 15 s 20 K s Heating curve slope TVw 5 Flow temperature setpoint at an outside temperature of 5 C TVw 15 Flow temperature setpoint at an outside temperature of 15 C The heating curve is valid for a room temperature setpoint of 20 C 9 6 4 Parallel displacement of heating curve...

Страница 42: ... generated via the heating curve as a function of the outside temperature The temperature used is the composite outside temperature OZW30 SYNERGYR central unit Room temp setpoint NORMAL Only active with room unit level Room temp setpoint REDUCED s Heating curve slope Room temp setpoint holiday protection The impact of the central unit OZW30 is described in chapter 20 1 4 Interplay with SYNERGYR ce...

Страница 43: ...or by the pump heating circuit This is the case when some other consumer heating circuit 2 or some other heating zone generates a higher flow temperature setpoint than the pump heating circuit The controller offsets the surplus energy by letting the heating circuit pump cycle thus preventing the pump heating circuit from overheating The pump s cycling time is fixed at 10 minutes The on time is cal...

Страница 44: ...86 P band of control 32 0 1 100 K 1 2 87 Integral action time of control 120 10 873 s 1 2 88 Type of actuator 1 0 1 1 2 89 Switching differential 2 1 20 K 1 2 Note With plant type 6 x operating lines 83 through 89 can only be set for heating circuit 2 11 2 Limitations 11 2 1 Flow temperature limitations The following settings can be made Maximum limitation of flow temperature At the limit value th...

Страница 45: ...n be limited to a maximum heating up brake In that case the maximum the flow temperature setpoint can increase is the set temperature per time unit C per hour This function prevents cracking noises in the piping protects objects and construction materials that are sensitive to quick tempera ture increases e g antiquities prevents excessive loads on the heat source In the case of space heating with...

Страница 46: ...is provided by the ON OFF action of the actuating device valve The switching differential required for this type of control can be set via op erating line 89 2474D01 ON OFF TVw SD 2 SD 2 TV ON Actuator operating OFF Actuator dead SD Switching differential operating line 89 TV Flow temperature TVw Flow temperature setpoint 11 3 2 3 position control 3 position control operates as weather compensated...

Страница 47: ...lve or 2 port valve controller N2 in the example below operating line 84 Example N2 wN2 wN1 wN2 w 2522S07 wN2 w w N1 Boiler temperature controller heat generation N2 Flow temperature controller heating zone wN1 Setpoint of boiler temperature controller wN2 Setpoint of flow temperature controller w Boost of mixing valve temperature set on controller N2 11 5 Pulse lock with 3 position actuator If du...

Страница 48: ... for heat e g due to the automatic ECO function can be selected There is a choice of 3 operat ing modes With manual shutdown The boiler is shut down when there is no request for heat and protection mode is selected for both heating circuits setting 0 on operating line 91 With automatic shutdown The boiler is shut down when there is no request for heat irrespective of the selected operating mode se...

Страница 49: ...perature is limited to a maximum the display shows This maximum limitation is not a safety function for that purpose a thermostat thermal reset limit thermostat etc must be used 12 3 2 Minimum limitation of boiler temperature For minimum limitation of the boiler temperature the minimum limit value can be set The switch on point cannot fall below the minimum limit value The switch off point is then...

Страница 50: ...setpoint by half the switching differential the burner is switched off TK 2524D06 ON OFF TKw SD 2 SD 2 SD Switching differential TK Boiler temperature TKw Boiler temperature setpoint If there is no more deviation before the minimum burner running time has elapsed the burner will nevertheless continue to operate until that time has elapsed burner cycling protection This means that the minimum burne...

Страница 51: ...scertains for how long and by how much the flow temperature remains below w 0 5 SD It continuously generates the integral based on the progression of temperature and time If on completion of the minimum locking time the flow temperature lies below w 0 5 SD and the release integral reaches the set maximum limit the second burner stage is released and switched on The flow temperature rises If the fl...

Страница 52: ...fferential If the boiler temperature falls below 5 C the burner is always switched on and keeps running until the boiler temperature exceeds its minimum limit by the amount of the switching differential 12 4 4 Protective boiler startup If the boiler temperature falls below the minimum limit of the boiler temperature while the burner is running the temperature differential minimum limit value minus...

Страница 53: ...ive function When the first burner stage is shut down the controller allows pump M1 to run for the set overrun time operating line 174 on the boiler temperature controller forwarding at the same time a forced signal to all loads inside the controller and on the data bus If the boiler temperature controller is located in segment 0 the forced signal is sent to all consumers in all segments By contra...

Страница 54: ...overrun time and then stop D h w discharging protection takes priority over protection against boiler overtemperatures 12 5 Operating mode of pump M1 For pump M1 it can be selected via operating line 99 whether or not it shall run during protective boiler startup Circulating pump without deactivation setting 0 The circulating pump runs when one of the consumers requests the boiler to supply heat a...

Страница 55: ...s applies to plant type 4 x Space heating with mixing valve plant types 5 x and 6 x Space heating with mixing valve and precontrol with boiler Minimum limitation of the return temperature prevents boiler corrosion due to flue gas condensation 13 3 1 Type of sensor Suitable are Siemens sensors operating with a sensing element LG Ni1000 The sensor is to be installed in the return With plant type 4 x...

Страница 56: ...ng signal Controller 2 shuts the heating circuit mixing valve Controller 3 shuts the heating circuit mixing valve and deacti vates the d h w charging pump LPB 2477B04e Setting operating line101 50 C return temperature detector connected Controller 1 shuts the heating circuit mixing valve Setting operating line 101 no own return temperature detector connected Setting operating line 101 no own retur...

Страница 57: ...nly for heating circuit of own controller 1 D h w is only provided for the heating circuits of the controllers with the same segment number connected to the data bus LPB 2 D h w is provided for all heating circuits of the controllers connect ed to the data bus LPB The setting is required in connection with operating lines 141 program for the cir culating pump and 123 release of d h w heating 14 3 ...

Страница 58: ...a electric immersion heater 5 D h w heating 14 5 2 Release programs Release of d h w heating takes place at the following times depending on the set ting made on operating line 123 Setting D h w heating is released 0 continuously 24 hours a day 1 according to one or several heating programs 2 according to scheduler program 2 of own controller With setting 1 release of d h w heating depends on the ...

Страница 59: ...C2 08 00 23 00 B HC1 07 00 22 00 opti mized switching on produces a forward shift of 2 hours B HC2 05 00 21 00 14 5 3 D h w heating during holiday periods In holiday mode d h w heating is provided as follows Op line 121 Op line 123 D h w heating 0 0 1 or 2 No d h w heating when own controller operates in holiday mode 1 0 1 or 2 No d h w heating when all controllers in the same segment operate in h...

Страница 60: ...ity The consumer master is the device having the same segment number as the controller with device number 1 The consumer master then sends an uncritical locking signal of 100 to all con trollers in the same segment If the consumer master is located in segment 0 the uncritical locking signal is sent to all controllers in all segments 14 6 4 Shifting priority During d h w charging the heating circui...

Страница 61: ...the d h w and the heating circuit is generated via maximum selection based on the 2 heat requests The mixing heating circuit calls for 40 C the d h w circuit for 65 C With d h w charging the setpoint for the common flow temperature will then be the higher of the 2 namely 65 C 14 6 8 D h w With d h w heating the temperature setpoint for the common flow used for d h w and the heating circuit will th...

Страница 62: ...value storage tank sensor 1 B31 TBWx2 Measured value storage tank sensor 2 B32 Fixing the switch on temperature start of d h w charging Op line 126 Acquisition Switching criterion 0 1 sensor TBWx1 TBWw SDBW 1 2 sensors TBWx1 TBWw SDBW and TBWx2 TBWw SDBW 2 1 thermostat Thermostat contact B31 closed 3 2 thermostats Thermostat contacts B31 and B32 closed 4 Solar via 1 sen TBWx1 TBWw SDBW 5 Solar via...

Страница 63: ...charging time for d h w stor age tanks The function is always active independent of the kind of d h w priority absolute shifting or parallel When d h w charging is started a counter records the charging time If charging is ended before the set maximum charging time has elapsed the counter is reset to zero A new charging cycle can be started any time But if charging takes longer than the set maximu...

Страница 64: ... 1 Purpose With plant types that use a d h w storage tank protection against discharging is ensured during overrun of the d h w charging pump This function makes certain that the d h w does not cool down during the time pump overrun is performed 14 13 2 Mode of operation If the flow temperature lies below the storage tank temperature pump overrun is ended prematurely Depending on the type of plant...

Страница 65: ... off d h w heating is switched off due to the holiday period d h w heating is locked because the maximum charging time has been exceeded Manually started charging is aborted only if the d h w temperature setpoint is reached or if the maximum charging time has been exceeded After manual charging d h w heating always remains on irrespective of whether or not it was switched on before the manual char...

Страница 66: ...ange RVP360 x 0 0 2 x 1 0 9 15 2 Functions The multifunctional relay can be assigned the following functions Op line 141 Function 0 No function 1 Relay energized in the event of fault 2 Relay energized when there is demand for heat 3 Circulating pump continuously ON 24 hours a day 4 Circulating pump ON according to heating program s depending on the setting made on operating line 121 5 Circulating...

Страница 67: ...es depending on the setting made on operating line 141 Operating line 141 The circulating pump runs 3 continuously 24 hours a day 4 according to one or several heating programs 5 according to scheduler program 2 of controller With setting 4 operation of the circulating pump depends on the setting made on operating line 121 provided the controller has communication capability and oper ates in an in...

Страница 68: ...irculating pump 0 3 4 or 5 Circulating pump OFF when own controller operates in hol iday mode 1 3 4 or 5 Circulating pump OFF when all controllers in the same segment operate in holiday mode 2 3 4 or 5 Circulating pump OFF when all controllers in the intercon nected system operate in holiday mode 15 2 5 Collector pump The multifunctional relay is used to control the collector pump Activation of th...

Страница 69: ...summer with the electric immersion heater Switching over takes place according to the following criteria Switching from charging via the heating system to the electric immersion heater takes place when there is no demand for space heating for at least 48 hours switching over at midnight Switching from the electric immersion heater to charging via the heating system is effected when there is a requ...

Страница 70: ...oint switching on off Setpoint legionella function is to be adjusted via function block D h w on operat ing line 130 Setting deactivates the legionella function 16 1 2 Periodicity of legionella function Operating line 147 can be used to select the periodicity of the legionella function When using setting 0 the d h w temperature is raised to the legionella setpoint on a daily basis When using setti...

Страница 71: ... legionella function was activated by defining a setpoint operating line 130 D h w heating is on button is lit The holiday function is not active Charging is effected via the heating system and not with the electric immersion heater If the criteria of periodicity and starting time are fulfilled the legionella function is released Release of the legionella function means that the d h w temperature ...

Страница 72: ... Start conditions for legionella function fulfilled Start dwelling time Reset dwelling time Start dwelling time Dwelling time has elapsed TBWx D h w temperature TBWw D h w temperature setpoint SDBW Switching differential of d h w charging t Time It set a maximum d h w charging time is also active here If the legionella setpoint is not reached the legionella function is interrupted to be resumed on...

Страница 73: ...erature for frost protection for the plant 2 0 0 25 C 168 Flow temperature setpoint for frost protection for the plant 15 0 140 C 169 Device number 0 0 16 170 Segment number 0 0 14 173 Locking signal gain 100 0 200 174 Pump overrun time 6 0 40 min 175 Pump kick 0 0 1 176 Winter summertime changeover 25 03 01 01 31 12 177 Changeover summer wintertime 25 10 01 01 31 12 178 Clock mode 0 0 3 179 Bus p...

Страница 74: ...omposite outside temperature Simulation can be ended in one of 3 different ways By entering By leaving the setting level by pressing any of the operating mode buttons Automatically after 30 minutes 17 3 2 Relay test The output relays can be individually energized The following coding applies Input Relay test Relay 0 Normal operation no test 1 All relays deenergized 2 Burner stage 1 ON K4 3 Burner ...

Страница 75: ...play shows Limit value return temperature If no return temperature limitation is used the display shows 5 Actual value of storage tank sen sor at terminal B31 D h w temperature setpoint 6 Actual value of storage tank sen sor at terminal B32 D h w temperature setpoint 7 Actual value of collector sensor at terminal B6 Setpoint for collector sensor cor responds to the actual value of storage tank sen...

Страница 76: ...controller switches heating circuit pumps M2 M6 on and maintains the flow temperature at the setpoint selected for frost protection operat ing line 168 An appropriate heat request is sent to the heat source The control is switched off when the outside temperature exceeds the limit value by 0 5 C Frost protection for the plant can be deactivated setting on operating line 167 17 4 2 Pump overrun To ...

Страница 77: ...tive boiler startup and D h w priority use locking signals that are forwarded to the heat exchangers and consumers With the heat exchanger and consumer controllers operating line 173 locking signal gain can be used to set how intensely these controllers shall respond to locking signals The locking signal gain is adjustable from 0 to 200 Setting Response 0 Locking signal is ignored 100 Locking sign...

Страница 78: ... same segment and if present to its own heating and d h w circuit Minimum limitation of the return temperature can also be ensured locally by a con troller with plant type 4 x In that case the critical locking signal only acts inside the controller and is only delivered to the controller s own heating circuits and the d h w circuit With regard to the response of the consumers and heat exchangers t...

Страница 79: ...roller can be readjusted Time of day of controller is not matched to the system time 1 Time of day on the controller cannot be readjusted Time of day of controller is continuous ly and automatically matched to the system time 2 Time of day on the controller can be readjusted and at the same time re adjusts the system time since the change is adopted by the master Time of day on the controller is n...

Страница 80: ... For detailed information about addressing the source refer to Data Sheet N2030 17 5 3 Addressing the devices Every device connected to the data bus LPB requires an address This address is made up of a device number 1 16 operating line 169 and a segment number 0 14 operating line 170 In an interconnected plant every address may be assigned only once If this is not observed the correct functioning ...

Страница 81: ...troller this setting is made on operating line 179 The display shows the selection made on the left and the current bus power supply state on the right Display Bus power supply 0 Central bus power supply is mandatory no power supply via controller A Decentral bus power supply via controller 0 No bus power supply presently available 1 Bus power supply presently available BUS appears on the display ...

Страница 82: ...in K 18 2 General In the case of plant types equipped with a d h w storage tank the RVP360 sup ports solar d h w heating The function is activated when function D h w storage tank sensor operating line 126 setting 4 Solar d h w heating with one sensor or setting 5 Solar d h w heating with two sen sors is parameterized and when multifunctional relay K6 is parameterized for use with the collector pu...

Страница 83: ...s the current storage tank temperature by the switch on differential TKol TSp SDON Storage tank charging is stopped when the collector temperature drops below the switch off differential TKol TSp SDOFF 18 3 2 Minimum charging temperature The collector pump is only activated when the collector reaches a minimum tem perature of 30 C and when the required temperature differential is attained ON OFF T...

Страница 84: ...running time tMin ON OFF fFrost fFROST Frost protection function solar ON OFF Collector pump tMin Minimum running time 18 3 4 Fost protection temperature for the collector Operating line 203 is used to set the frost protection temperature for the collector If there is risk of frost at the collector the collector pump is activated to prevent the heat conducting medium from freezing ON OFF 1 K TKolF...

Страница 85: ...ible and the collector pump is deactivated ON OFF 1 K 5 K TSpSi Maximum limitation storage tank temperature TSp Storage tank temperature TKolUe Overtemperature protection for the collector TSpMax Maximum limitation of charging temperature TKol Collector temperature ON OFF Collector pump T Temperature t Time If the collector temperature exceeds the overtemperature protection level and maximum limit...

Страница 86: ...rential for recooling SDON corresponds to the value of the switch on differential operating line 201 of charging control but is limited to a minimum of 3 K for recooling 1 K 1 K 2541D10 ON OFF 2 K TRk SDON Temperature differential ON ON OFF Collector pump TRk Recooling setpoint T Temperature TSp Storage tank temperature t Time TKol Collector temperature If the storage tank temperature lies at leas...

Страница 87: ...re drops 15 K below the evaporation temperature TKol TVerd 15 K Setting deactivates the pump protection function Evaporation protection of the heat conducting medium pump off has priority over overtemperature protection which would activate the pump 18 3 8 Maximum limitation of charging temperature Operating line 206 is used to set the maximum limitation for the charging tempera ture When the maxi...

Страница 88: ... gradient for the collector start function The gradient corresponds to the temperature increase per minute when the collec tor is OFF Gradient 1 min K Corresponding to a temperature increase of 1 K min Gradient 20 min K Corresponding to a temperature increase of 1 20 K min If within 1 minute the temperature acquired by the collector sensor rises more than the set gradient the pump is activated min...

Страница 89: ...ll settings made can still be queried on the control ler but cannot be changed anymore The settings can be changed via bus The procedure is as follows 1 Press and simultaneously until appears on the display 2 Press and one after the other 3 Now operating line 248 appears on the display The following locking choices are available 0 no locking 1 all settings are locked After locking all settings the...

Страница 90: ...utton also termed presence button Knob for room temperature readjustments On the QAA50 110 101 the following settings are required For heating circuit 1 address 1 factory setting For heating circuit 2 address 2 From the QAA50 110 101 the operating mode of the heating circuit can be over ridden This is accomplished via the operating mode selector and the economy but ton To enable the room unit to a...

Страница 91: ...r must satisfy the following operating conditions Heating circuit operating mode AUTO No holiday period active no manual control The operating mode selector of the QAW70 acts on the controller as follows Operating mode of QAW70 Operating mode of heating circuit controller optional temporary overriding with economy button Continuously NORMAL or continuously REDUCED heating depending on the economy ...

Страница 92: ... heating Changes controller operating line 7 8 2 2nd heating phase end of NORMAL heating Changes controller operating line 8 9 3 3rd heating phase start of NORMAL heating Changes controller operating line 9 10 3 3rd heating phase end of NORMAL heating Changes controller operating line 10 11 Display of weekdays 1 7 Cannot be changed refer to chapter 7 3 Time of day and date 12 Entry of time of day ...

Страница 93: ... The heating circuit that shall be acted upon must be selected on the OZW30 20 2 Communication with other devices The RVP360 offers the following communication choices Signalling the heat demand of several RVP360 to the heat source Exchange of locking and forced signals Exchange of measured values such as outside temperature return temperature and flow temperature plus clock signals Communication ...

Страница 94: ... for selecting the operating lines 4 Button for manual control ON OFF 5 Buttons for valve OPEN CLOSE when manual control ON 6 Button for d h w heating ON OFF 7 Knob for readjusting the room temperature setpoint of heating circuit 1 8 Button for switching between the heating circuits 9 Knob for readjusting the room temperature setpoint of heating circuit 2 10 Buttons for adjusting values Operating ...

Страница 95: ...splay of temperatures times dates etc Operating Instructions are inserted at the rear of the controller s front cover They are provided for caretakers and end users and contain energy saving tips including instructions on thoubleshooting 21 1 2 Operating elements 4 buttons are available for selection of the heating circuit s operating mode Each button has an LED integrated the currently active ope...

Страница 96: ...associated number is assigned to each parameter each actual value and each function A pair of buttons is used to select operating lines and readjust displays To select and readjust setting values the procedure is as follows Buttons Action Effect Line selection buttons Press Selection of next lower operating line Press Selection of next higher operating line Setting buttons Press Decrease of displa...

Страница 97: ...is means that he can select the operating mode readjust the room temperature with the knob and activate manual control Also he is allowed to access operating lines 1 through 50 The heating engineer can access all operating elements and all operating lines 21 2 Commissioning 21 2 1 Installation Instructions The controller is supplied complete with Installation Instructions covering in detail instal...

Страница 98: ...on a top hat rail On a panel front In a control panel front In the sloping front of a control desk 21 3 2 Mounting choices RVP360 can be mounted in one of 3 different ways Wall mounting The base is secured to a flat wall with 3 screws Rail mounting The base is snapped on a top hat rail Flush panel mounting The base is fitted in a panel cutout measuring 138 x 92 mm The thickness of the front panel ...

Страница 99: ...tank sensor thermostat at the top Q3 Storage tank charging pump B32 Storage tank sensor thermostat at the bottom F1 F2 Input for Y1 and Y2 B7 Return sensor Y1 Heating circuit mixing valve heating circuit 1 OPEN B5 Room sensor heating circuit 1 Y2 Heating circuit mixing valve heating circuit 1 CLOSE B52 Room sensor heating circuit 2 F7 Input for Q2 Q6 and K6 B6 Collector sensor Q2 Heating circuit p...

Страница 100: ...thermostat B32 D h w storage tank sensor thermostat B5 Room sensor heating circuit 1 B52 Room sensor heating circuit 2 B6 Collector sensor B7 Return sensor B9 Outside sensor E1 2 stage burner F1 Thermal reset limit thermostat F2 Safety limit thermostat K6 Multifunctional output LPB Data bus M1 Circulating pump M2 Heating circuit pump heating circuit 1 M3 Storage tank charging pump M6 Heating circu...

Страница 101: ...all mounting Mounting on a top hat rail Flush panel mounting Whichever mounting method is chosen the base must always be mounted and wired first To ensure orientation will be correct the upper side of both the base and the controller housing carry the marking TOP Both the top and the bottom side of the base have 5 knockout holes for cable entry there are 10 knockout holes in the floor The controll...

Страница 102: ...Building Technologies 24 Addendum 2017 07 24 24 Addendum 24 1 Technical data For technical data refer to Data Sheet N2546 24 2 Revision history Edition 1 0 is the first publication of this document So there are no alterations against any previous editions ...

Страница 103: ... Circulating pump 67 Collector off temperature 88 Collector pump 68 84 Collector sensor 23 Collector start function 88 Collector temperature 83 Combinations 14 Commissioning 97 Commissioning aids 74 Communication 93 Compensating and auxiliary variables 31 Composite outside temperature 31 Connection terminals 99 Control with 1 stage burner 50 Control with 2 stage burner 51 Controller insert 101 Cri...

Страница 104: ...djustments QAW70 91 L Legionella function 64 70 Legionella setpointl 70 Legionella weekday 70 Line selection buttons 96 Locking functions 89 Locking on the software side 89 Locking settings 89 Locking signal gain 77 M Manual control 17 Manual d h w charging 12 65 Manual positioning commands 96 Master clock 79 Maximum charging time 63 Maximum limitat of the rate of setpoint increase 45 Maximum limi...

Страница 105: ...90 Room unit QAW70 91 S Safety functions 49 Scheduler program 2 28 Sealing 101 Selecting the plant type 30 Sensor test 75 Service functions 73 Setpoint for common flow 61 Setpoint for holiday mode 24 Setpoint increase 45 Setpoint return temperature limitation 55 Setpoints 24 Setting buttons 96 Setting levels 97 Shifting priority 60 Short circuit 19 Simulation of outside temperature 74 Software ver...

Страница 106: ...ies 2017 07 24 Published by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH 6301 Zug Switzerland Tel 41 58 724 24 24 www siemens com sbt Siemens Switzerland Ltd 2011 Delivery and technical specifications subject to change ...

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