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Installation and Operating Manual Heat Pump Controller

Contents

1. ssssssssssseseseneen enne nennen 41 5 6 Activation of circulating PUMPE erriren raain araara a EEEE AARS ENAERE nennen rennen ne nnne enn 41 5 6 1 Heating circulating pump ssssseessseeneneennnen enne nme EARE EAA rre 41 5 6 2 Hot water circulating pump ssssssseeneeenne enne nnn en EE NTERNA KENTER NRE 42 5 6 3 Swimming pool circulating pump 42 5 6 4 Auxiliary circulating pump resdan aetra AKEE EEE ARE NEEE 42 5 6 5 Primary pump for heat source a akiiata AEE EE AEE NERE 42 TE EE AIE EAE A T E EAE E T 42 5 7 1 Resetting of Taus i anvori crier er T oe Lee e LL Ra ce Le aes 42 5 7 2 Sensor Break uoce ede eire era ee cs eva rende 42 5 7 3 Frost protection ee ee ee ne 43 6 Special F nctionS 2 42 02 Enns E 43 6 1 Commissioning of air to water heat pumps 440ss4s40onnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 43 6 2 Initial heating program screed drying ssseseeeenne nenne nennen nnns 43 6 2 1 Underfloor heating functional check according to DIN EN 1264 4 seeeeeesee 43 6 2 2 Heating for screed drying and floor covering preparation ssseeeeese 44 6 2 3 Implementation of the guideline for heat pump heating systems ssseeeess 45 7 Extended Functional Description of Heat Pump Contro
2. ee chk eee Lee L acca cee ineo ed senno e adden c c een daa roo o net ie 49 9 1 Heat pump system for heating purposes ssssssseeeee een nenne enne nnns 49 9 2 Heating cooling heat pump system sssssssseeeeee eee en nnn nennen 50 10 Gircuit Diagrams 4 2 22 2 a RER Ei 51 10 1 Heat pump controller for heating nnne 51 10 2 Key to the circuit diagram of the heat pump controller for heating ernennen 52 10 3 Heat pump controller for heating and cooling esee 53 10 4 Key to the circuit diagram of the heat pump controller for Heating Cooling 55 TI DISDIayS eroe E EEE E O A T OE OO 56 12 Special Accessories anaie LR 58 12 1 Remote control station rsmnnannnonnnnnnnnonnnnnnnnnennnnnnnnnnnnnnnnnnn nennen nenne Ea ANET 58 12 2 Remote Diagnosis System RDS sese ennt nnns 58 12 3 Room climate control statidn nrrainn Nidaa eene nnne nnne 58 13 Electrical Wiring Heat Pump nnssnsensnnsesnnnnnnnnnnnnnnnnnnennnnnnannennnnnnan nennen nn 59 14 Quick Reference Guide for the User 2 2020200000000000000000unnannnnnnnnnn0nnnnnnnnn nn nma nenne nnmnnn na 60 General The instructions contained in this installation and operating manual are to be followed during the instal lation operation and maintenance of the controller The installation and repair of the equ
3. Table 4 1 Actuating direction of pressostats for HP with a manufacturing date earlier than FD8404 28 4 2 2 Outputs The Outputs menu presents the status display Off or On for the following outputs depending on the particular system configuration Qutruts Display Compressor 1 Always Compressor 2 2 compressors Four way value Cooling function Air HP Fan Primary Fume Always Primara rur Cooling Passive cooling function SurFl heat source Biv single energy SurFl heat source Mixer orFen Bivalent SurFl heat source Mixer closed Bivalent Mixer oper Heating circuit 3 Heating circuit 3 Mixer closed Heating circuit 3 Heating circuit 3 Heating Fume Always Heating Fume Heating circuit 1 Cooling function 29 Qutruts Display Heating Fume Heating circuit 2 Heating circuit 2 Mixer oper Heating circuit 2 Heating circuit 2 or Cooling mode during strictly passive cooling with rev HP Mixer closed Heating circuit 2 Heating circuit 2 or Cooling mode during strictly passive cooling with rev HP Auxiliars rumr Always Cooling Fume Passive cooling function Changeover Room thermostats Cooling function Changeover valves Passive cooling Cooling function Hat water Fumr Hot water Immersion heater Hot water Sensor Immersion heater
4. l i z I g i mA ea iz Va jog d Fa I zl zl Q o O 1 yas eu chy Faj OAD OVvAvzZ I 4 h jade D jo SR lll 1 tt Lr so vo u To u Im o o oo a A lt v N e 1VZ S 8 9 A0SZ ld 1 9 2X p orr er e Oza Hr 2 Z Z o H o j gt D a B LLX LN LMWX e vj HW XXXXX OLN GeISZIBH Connection diagram of the wall mounted WPM 2004plus heat pump controller manager Fig 10 1 51 10 2 Key to the circuit diagram of the heat pump controller for heating A1 Jumper wire EVS J5 ID3 EVS to X2 must be fitted J12 to if no UC disable contactor is available J18 230V AC outputs for activation of the system contact open utility company lock out components pump mixer heating element A2 Jumper wire SPR J5 ID4 to X2 is dispensed with if boiler input is wired Function is selectable A3 Minuet wire E ad n INMeuiOn A3 a perse h ae Ed bed ee fault indicator contact can be used e g motor protection switc pu A4 Jumper wire fault M1 In lieu of A4 a pot free d en E A circulating pump N e g i itch M contact gan De Used e q Motor protection swito K21 Contactor electr immersion heater for hot water B2 Pressostat low pressure brine K22 Util comp disable contactor UCD B3 T
5. 20 C or in excess of 35 C safety function Or else the heat pump was locked out in the setting Bivalent Alternative because the outside temperature is lower than the limit tem perature Air water HP HP disabled SurFl heat source The heat pump is switched off because the suppl heat source operating mode HS 2 was selected Heating is provided by the suppl heat source the external wall tem perature lies within the heat pump operating range the outside tempera ture sensor is opera tional Flowrate monitoring Before evaporator defrosting is started the heating water flow rate is monitored This process takes max 4 minutes Air water HP Defrost HF on The heat pump performs evaporator defrosting This process takes max 8 minutes Air water HP Urrer oferat limit HF waiting The maximum return temperature of 50 C in the heating mode was exceeded After the temperature has dropped the HP restarts automatically Brine water or water water HP Delay rFer mode cooling Freeze Protection cold Seneraion Cold generator waiting Flow temr limit Cold generator waiting Dew Point monitor Cold generator waiting Deu Point Cold generator waiting Passive cooling is provided no call for heat pump action exists Cooling function HP off On switchover to the Cooling mode and back a time delay of 10 minutes is activated The heat pump remains deact
6. Swimming Fool rumr Swimming pool 4 2 3 Special functions The Special functions menu provides depending on the system configuration the following possibilities for changing the current operating states Caution Special functions may only be activated by a qualified expert in order to carry out commissioning ac tivities or an analysis of the heat pump system Activation of special functions Setting Display range Compressor change In the case of 2 compressor heat pumps activating the Com No 2 compressors pressor change function allows a changeover of the compressors Yes to be carried out during operation No Quick start Activating the Quick start function enables the heat pump to Always start up after the safety relevant time periods have elapsed The Yes anti short cycling switching cycle lock out will be ignored Deactivate LOL Activating the Deactivate LOL low operating limit function No Brine water HP enables the heat pump to start up after the safety relevant time Yes periods have elapsed Any preset time periods for energy optimised heat pump operation will be ignored Commissioning The Commissioning function can be activated for air to water No Air HP heat pumps only When this function is activated the defrost func Yes tion will be suppressed for one hour any already started defrost action will be aborted The supplementary heat source will be enabled during this 1 hour peri
7. Alarm memor Ho 2 Display of the most recent malfunction together with date hour and cause Alarm memor Ho 1 Display of the last but one malfunction together with date hour and cause UFH funct check Display of start and end times of the most recently executed program of a functional pbort check of the underfloor heating system Hest screed drying Display of the start and end times of the most recently executed heating program peas for screed drying 16 3 1 7 Heating curves lowering and raising On commissioning the heating curve is adapted in accordance with local conditions and the building structure These heating characteristics can be adjusted to individual temperature re quirements by means of the warmer colder con trol on the main screen Use the ff key to raise the temperature the slide bar displayed in the bottom line advances to the right Use the key to lower the temperature the slide bar displayed in the bottom line advances to the left Energy efficient operation The setting for heating circuit 2 can be per formed in the Heating circuit 2 menu The preset heating curves may be lowered or raised in a time controlled manner In buildings with poor insulation it is possible for example to lower the heating curve in order to save energy or to raise it prior to off times to avoid any extreme cooling of the building Where an overlap of raising and lowering activi ties occurs the raising act
8. By activating one of the circulating pumps you determine where the heat produced by the heat pump is to be transferred If the installation has been completed to maximum capacity one hot water two heating one swimming pool water and one auxiliary circulating pump can be acti 5 6 1 Heating circulating pump The heating circulating pump can be operated in two different modes which can be set in the Settings menu Heat pump optimisation is set to No The heat ing circulating pump operates continuously ex cept in the water heating and swimming pool heating as well as the Summer modes Heat pump optimisation is set to Yes In this case the heating circulating pump operates after power up and will complete a 30 minute run down cycle after the heat pump has been switched off If the heating circulating pump was switched off for more than 40 minutes or if the return tem perature has dropped below the setpoint it will be activated for 7 minutes in order for the return sensor to recapture the temperature representa tive of the heating cycle purge time 41 delay of 3 minutes The minimum time delay is necessary to bring about a pressure compensa tion in the refrigeration cycle After power up and UC interruption a start up delay period utility company requirement of max 200 seconds begins vated In heat pumps for heating and cooling additional circulating pumps are driven by the cooling con troller s
9. MZ Mixer OPEN Components to be supplied by the customer or available as accessories 55 11 Displays Message HP Explanation Display Troubleshooting check whether HP OFF Heat pump is not running because no demand for heat exists HP an heating Heat pump is running in the heating mode HP on cooling Heat pump is running with cooling mode activated Cooling function HP on Hot uster Heat pump is running in the water heating mode and heats the Hot water hot water storage tank HP on SUIT e Heat pump is running and heating the swimming pool water Swimming pool HP HS 2 httg Heat pump and suppl heat source are running in the heating Biv Single energy mode HP HS 2 swim Fool Heat pump and suppl heat source are running and heating the Biv Single energy swimming pool water Swimming pool Heat pump and suppl heat source are running in the water Biv Single energy Be Se He Zu gp NABER heating mode and are heating the hot water storage tank Hot water Minimum restart delay HP waiting Heat pump starts after a minimum time delay has elapsed to satisfy an existing demand for heat The minimum restart delay protects the heat pump and may last up to 3 minutes the last deactivation of a compressor was car ried out less than 3 minutes ago i e a minimum time delay period is in progress Switch cycle lockout HP waiting Heat pump starts after the lockout period has expired in order t
10. Ex 1 Return at standard outside temp 28 C 1 Ex 2 Standard design temperature 12 C Ex 1 Standard design temperature 16 C 52 endpoint 48 C at standard 50 outside temp 45 C 4 46 in C Heating curve end point 29 C 4 4 2 Heating curve optimisation For heating curve optimisation two setting options are available e Change of the gradient through higher or lower heating curve end point e Raising or lowering the complete heating curve using the Warmer ff and Colder keys External wall temperature When below 7 C 7 to 7 C above 7 C too cold Heating curve end point Warmer ft colder by Warmer colder 9 by value higher by 2 C 3 C 1 C to 2 C scale graduations 1 C to 2 C higher and Heat higher ing curve end point by 2 C to 3 C lower too hot Heating curve end point Warmer ft colder 9 by Warmer tt colder U by value lower by 2 C 3 C 1 C to 2 C scale graduations 1 C to 2 C scale graduations lower lower and Heating curve end point by 2 C to 3 C higher 4 4 3 Fixed setpoint control setting of a horizontal heating characteristic In special applications e g buffer tank heating Fixed setp control The desired return setpoint to a constant temperature it is possible to set an temperature can be set in the subsequent menu outside temperature independent heating item Fixed setp control Return setp temp at cur
11. At external wall temperatures above 10 C gen erally only 1 compressor is operating If the ex ternal wall temperature is below 10 C and the flow temperature is higher than 50 C both com pressors are enabled First the 1 compressor is activated and shortly thereafter the 2 compressor If the request is cancelled or if an interruption becomes active both compressors are deactivated at the same time 5 4 2 Call for supplementary heat source If the outside temperature measured at the external wall is above the set limit temperature cf 5 1 the supplementary heat source is not required If the outside temperature is below the set limit temperature the supplementary heat source is enabled provided the heat pump controller has switched to bivalence setting B3 and a call for heat exists According to the tariff regulations of various energy providers and the Federal Electricity Supply Regulations it must be possible to inter rupt the service of electricity to heat pumps at given times utility company interruption During this period the supplementary heat source of heating systems is enabled if in the menu Settings Suppl heat source Type Util comp off period the setting UC2 was specified Whether the supplementary heat source has to Note Bivalence setting B3 With respect to the bivalence setting the ma chine in this temperature range behaves like a 1 compressor heat pump regardless of the se
12. PC connection The required configuration of the modem can be set in the Modem menu The installation in changes to the factory settings must be carefully checked since an existing connection may pos structions are contained in the installation man ual of the remote diagnosis system used All Adaptation of the serial interface to the remote Setting Display diagnosis range Baud rate Selection of the baud rate at which the data are exchanged via Always the serial interface Make sure that the same baud rate is set on communication sides Address Each connection can be assigned an address Under normal 0 Always conditions this value should remain at a setting of 0 188 Protocol The Protocol setting indicates which type of remote diagnosis is Local Always used Local or Modem Remote Password The remote diagnosis function can be password protected 0 Always 1234 9999 GSM Dialing method To set the type of dialling mode for the phone line by means of Tone Always which a remote diagnosis via modem is carried out Pulse Ho of rings Setting to indicate after how many rings the controller answers in Always order to provide remote diagnosis before modem answers This function is not used as yet No Always sibly be interrupted Manual dialing Yes 4 3 Energy efficient operation Heating operation is performed as a function of the outside temperature The controller calcu lates a return setpoint temperature
13. 14 3 1 6 la te aa C REP m 16 3 1 7 Heating curves lowering and raising 17 3 1 8 Hot w ter heating ebore reet e tte Sp ede tete et nere reed eet ed ege s 17 CP MMNBIUTI CE 18 3 2 1 Normal operating states ie ertt retten take a sen dha 18 3 2 2 Faut messages seerias 20 4 Settings by Heating ExpertsS uuunnsnnnnnannnnnnannnnnnnnnnnnannunnnnnnnnnannunnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnannnnnannnnnn nn 21 4 1 Preconfiguration of the Heat Pump Heating System sssssssssssssseeeeeee 21 4 1 1 Preconfiguratiorr meri ocio koi acit bii pear ete id PR einer trae e edu es 21 43 2 COGING ie ts rete et e Pe hos tbe breed sten e o npe ox reete da 22 4 2 Configuration of the heat pump heating system sss 22 4 2 1 oem 28 4 2 2 OUIDUIS 1 ceti i uite eee tii te urine iron Rn E E ND 29 4 2 39 Special functions ere eene e eve ee Metti e tu edited deste eint 30 42 4 Modem PG connectlofi ir npe tr e Re E ee Bore rte e Lek Met ez diate 31 43 Energy efficient operato su eiecti ettet eie xii it caede thy ete Pride e x Ere retur exte 31 44 Setting the Meating CUIVO iiie exter e elitm be pee ad ee Ere BERE eee idus 32 4 4 1 Setting examples 34e ietin east ein ru e RE Re aeree et rec Mat AE 33 4 4 2 Heating curve optimisation nennen nnm nennen nennen nnns 34 4 4 3 Fixed setpoint control setti
14. 3 is to be started 23 59 HC 3 Setback To set the time at which the temperature setback of heating circuit 00 00 End 3 is to be terminated i 23 59 HC 3 Setback To set the temperature value by which the heating curve of heating 0K Setback value circuit 3 is to be lowered during a setback period ik N J HC 3 Setback It is possible to select individually for each day of the week MO vts su whether a setback is to become active Setback periods over mul tiple days are always activated or deactivated upon day change over 12 Settings Setting range HC 3 Time Program All settings for raising the heating curve of heating circuit 3 PAN Tene rise HC 3 Temr rise To set the time at which the temperature rise of heating circuit 3 is 00 00 Start to be started i 23 59 HC 3 Temr rise To set the time at which the temperature rise of heating circuit 3 is 00 00 End to be terminated p HC 3 Temr rise To set the temperature value by which the heating curve of heating Rise value circuit 3 is to be raised while the temperature rise mode is active OK 19K He 3 Temrt Ene It is possible to select individually for each day of the week N nie whether a temperature rise is to become active Temperature rise J Setting of all system specific parameters periods over multiple days are always activated or deactivated upon day changeover Duran e Cooling To set the setpoint for the dynamic cooling mode This tempera 10 C BLDG Shee
15. Priority control Cooling takes priority over water heating which has priority over space heating and swimming pool heating e Actuation of a supplementary heat source oil or gas fired boiler or electric resistance heating e Actuation of a mixer valve for a supple mentary heat source oil gas solid fuel fired boiler or solar energy storage system Special program for supplementary heating to ensure minimum operation oil fired boiler or minimum heat up times central storage tank Control of an immersion heater enabling spe cific reheating of domestic hot water by means of adjustable time programs Demand driven control of 5 circulating pumps Defrost management to minimise defrost en ergy through flexible self adaptive defrost cy cle times Compressor management for a uniform utilisa tion of the compressors in heat pumps equipped with two compressors Working hour meter for compressor circulating pumps and supplementary heat source Keypad lock child proof lock Alarm memory with date and time Interface for communication via PC Automated program for specific screed drying with storage of the start and completion time 1 2 Special accessories for the heat pump controller e Option to add a Cooling operating mode see Chapter 1 e Remote control unit can be connected Modem connection for online remote moni toring and display of heat pump parameters 2 Scope of Delivery and Installatio
16. are always activated or deactivated 0 4 2 0 5 K 19K ME 1 SeSDAER It is possible to select individually for each day of the week N sem whether a setback is to become active Setback periods over mul Y tiple days are always activated or deactivated upon day change K 9K N Y upon day changeover 11 Setting of all system specific parameters Setting range Heating circuit 2 Settings for heating circuit 2 P HC 2 This setting serves to adjust the temperature to individual comfort warmer colder levels for heating circuit 2 in accordance with the setting indi cated on the main screen If a higher temperature level is to be attained the slide bar needs to be moved to the right using the Up key If a lower temperature level is to be attained the slide bar needs to be moved to the left using the Down key HC 2 Time Program All settings for lowering the heating curve of heating circuit 2 Setback s 1 J 3 HC 2 Setback To set the time at which the temperature setback of heating circuit Start 2 is to be started i HC 2 Setback To set the time at which the temperature setback of heating circuit End 2 is to be terminated H C 2 Setback To set the temperature value by which the heating curve of heating 0K 19K Setback value circuit 2 is to be lowered during a setback period 9 HC 2 setbacks It is possible to select individually for each day of the week N MO us whether a setback is to become active Setback peri
17. are to be taken into account as well The hot water temperature should be set to approx 10 K below the maximum flow temperature of the heat pump If the hot water temperature is set too high the heat pump will automatically switch off on account of the high pressure safety program and lock out the water heating operation for a period of 2 hours In installations fitted with a sensor a correction of the HP maximum temperature is effected i e the new value current actual value IK The HP max temp is the upper limit for adjusting HW temp HP mode in the Set tings menu option Hot water 3 Setting that indicates whether in the passive cooling mode a parallel No Hot water Parallel cooling DH 9 P 9 P operation of cooling and domestic water heating is to be possible Yes Sensor Cooling funct passive Hat Water llel To set the maximum hot water temperature that is to be attained in 10 C Suppl heat ex roseus a re the parallel operating mode Heating Hot water 2256 Hot water 80 C Sensor Hot water yn ned To set the hot water temperature that is to be attained without the 30 C Hot water ena SEN mode booster heater function activated ae Sensor ax Hot water The domestic hot water function can be disabled by a time program Hot water Lockout Hot yate lockout To set the time at which the hot water disable function is to be started 00 00 Hot water 23 59 Hat water lockout To set the time at which the hot wat
18. digital inputs depending on the particular system configuration Status display of all digital inputs Contact open indicates a fault Contact open indicates a fault Contact closed indicates defrost end Freeze Protection Contact open indicates a fault Thermostat P Hot Sas thermostat Contact open indicates a fault Flourate Contact open indicates a fault insufficient flowrate monitoring Motor Protection Contact open indicates a fault Compressor ter water HP Sole ND Cooling function Passive cooling Hot water Thermostat Swimming pool Motor Protection Contact open indicates a fault Primary Fume Low Pressure Contact open indicates a fault Fressostat brine P Util come shut off Contact open indicates an electric utility company off period Ext disable contact Contact open indicates a shut off condition Contact open indicates a fault Hot water Contact closed indicates a call for hot water Thermostat Swimming Fool Contact closed indicates a call for pool heating Thermostat j I Applies to all heat pumps with a manufacturing date FD8404 and later 1 All other heat pumps have to be set in accordance with the table below Heat pump type High pressure Low pressure pressostat pressostat LI LA normally open normally open contact contact SI WI normally open normally closed contact contact High temperature normally open normally closed contact contact
19. individually for each day of the week whether a N Heating circuit 2 setback is to become active Setback periods over multiple days are Y always activated or deactivated upon day changeover All settings for raising the heating characteristic curve of heating cir Heating circuit 2 cuit 2 To set the time at which the temperature increase of heating circuit 2 00 00 Heating circuit 2 is to be started e 23 59 To set the time at which the temperature increase of heating circuit 2 00 00 Heating circuit 2 is to be terminated e 23 59 To set the temperature value by which the heating curve of heating 0K Heating circuit 2 circuit 2 is to be increased for a specific period em It is possible to select individually for each day of the week whether an N Heating circuit 2 increase is to become active Temperature rise periods over multiple Y days are always activated or deactivated upon day changeover Heating circuit 3 Settings for heating circuit 3 am Heating circuit 3 HC 3 Heating curve End Foint HC 3 Heating curve Maximum value HC 3 Mixer Hysteresis HC 3 Mixer Runtime HC 3 Mixer D comronent HC 3 Fixed setrF control HC 3 colder warmer HC 3 Time Program Setback The heating curve end point is to be set in accordance with the heat Heating circuit 3 ing system design When so doing the maximum return temperature is to be entered which results from the calculated maximum flow temperature minus the tempera
20. lim The heat pump was switched off on reaching the low operating limit The heat pump restarts HP waiting automatically as soon as the heat source temperature has risen to a sufficiently high tempera ture safety function High Fressure Prot The heat pump is switched off on reaching the high pressure limit The heat pump restarts HP off automatically after a few minutes high pressure safety program 18 Tenrersture limit The heat pump cannot restart due to the temperature operating limit being reached The out HP waiting side temperature is below 15 C or 20 C or above 35 C safety function Or else the heat pump was disabled in the Bivalent alternat mode because the outside temperature is lower than the limit temperature HF disabled The heat pump is switched off because the suppl heat source HS 2 operating mode was UPPL heat source selected Heating is now provided by the suppl heat source Fun p monitoring Before defrosting of the evaporator is started the flow rate of the heating water is monitored on This applies to air to water heat pumps only The procedure lasts maximally 4 minutes Defrost The evaporator is defrosted by the heat pump The procedure lasts maximally 8 minutes E Ei ER limit The maximum return flow temperature of 50 C was exceeded When the temperature has waiting dropped the HP will restart automatically Delas d li On switchover to the Cooling operating mode and back a time delay of 1
21. of heating 00 00 Heating circuit 1 circuit 1 is to be terminated e 23 59 To set the temperature value by which the heating curve of heating 0K Heating circuit 1 circuit 1 is to be lowered during a setback period fa It is possible to select individually for each day of the week whether a N Heating circuit 1 temperature setback is to become active Setback periods over multi Y ple days are always activated or deactivated upon day changeover Heating circuit 1 All settings for raising the heating curve of heating circuit 1 To set the time at which the temperature increase of heating circuit 1 00 00 Heating circuit 1 is to be started ef 23 59 To set the time at which the temperature increase of heating circuit 1 00 00 Heating circuit 1 is to be terminated BR To set the temperature value by which the heating characteristic curve 0K Heating circuit 1 of heating circuit 1 is to be raised during a setback period ike It is possible to select individually for each day of the week whether a N Heating circuit 1 temperature rise is to become active Any temperature rise period J over multiple days is always to be activated or deactivated upon day changeover Heating circuit 2 Settings for heating circuit 2 a Heating circuit 2 HC 2 Heating curve End Foint HC 2 Hesting curve Maximum value HC 2 Mixer Hustereziz HC 2 Mixer Runtime HC 2 Mixer Boost znd HC Fixed setrF control HC 2 fixed setr control Setroint tem
22. package Remote diagnosis via modem connection Remote Diagnosis System RDS Remote diagnosis of heat pumps via a modem connection The RDS is a useful tool to check the operation of a remotely located system and to make user settings at the Heat Pump Man ager controller Fig 12 2 Room climate control station For warranty conditions and the customer service address refer to the Installation and Operating Manual of the heat pump Subject to modifications and errors 58 All claims for damages are excluded If this is legally not possible these claims are limited to gross negligence and intent 13 Electrical Wiring Heat Pump 1 10 11 12 13 The 4 core supply cable for the power circuit of the heat pump is to be run from the heat pump meter to the utility company contactor if required into the heat pump 3L PE 400V 50Hz Fuse protection to be provided in accordance with power consumption values indicated on the data plate by means of a 3 pole circuit breaker with C characteristic and simultaneous tripping of all 3 poles Cable cross sectional area in accordance with DIN VDE 0100 The 3 core supply cable for the heat pump controller manager heating controller N1 is to be fed into the heat pump units with integrated controller or routed to the subsequent mounting site of the wall mounted heat pump controller manager WPM The supply line L N PE 230V 50Hz for the WPM must be connec
23. required return temperature at an outside temperature of 20 C is entered The aim is to reach an average constant room temperature even though the outside temperatures are chang ing 2 All heating curves intersect at an outside wall temperature of 20 C and a return temperature of 20 C which means that 40 35 30 25 20 15 10 Outside temperature in C Fig 4 1 Options for setting the heating curve colder there is no heating demand in this operating point By means of the slide bar Warmer ft and Colder keys this operating point can be shifted between 5 C and 30 C along the inclined axis This results a parallel shift of the entire heating curve in upward or down ward direction by a constant amount of ap prox 1K per slide bar unit The user can thus set the temperature he wishes to main tain for his personal comfort The upper limit of every heating curve is the value that was entered in Settings Heat ing circuit 1 2 Heating curve maximum The lower limit of every heating curve is a value of 15 C air HP or 18 C brine or wa ter HP Heating curve shifted parallel warmer with heating curve max 50 C Heating curve 45 e g radiators 30 Heating curve e g underfloor Heating curve shifted 20 parallel colder Return Setp temp in C Heating curve slope heating curve end point e Step 1 Adjustment of the heating curve to local conditions and the building str
24. room temperature as de scribed under silent cooling by activa tion of the mixer valve of heating circuit 2 silent heating cooling circuit The selection is to be made in the Settings Cooling menu option 7 2 4 Heating circulating pump of heating circuit 1 The heating circulating pump of heating circuit 1 is always operating when the heating circulating pump is operating with the exception of the cooling mode if heating circuit 2 and solely si lent cooling was configured 7 2 5 Heating circulating pump of heating circuit 2 The heating circulating pump of heating circuit 2 is always operating when the heating circulat ing pump of heating circuit 1 is operating with the exception of the cooling mode if heating circuit 2 and solely dynamic cooling was con figured 7 2 6 Safety functions displayed on controller As a safety feature the following limits exist e The flow temperature falls below the value of 7 C e Tripping of the dew point monitor at sensi tive points of the cooling system e The dew point was reached 7 3 Functional description of active cooling Active cold generation is effected in the refrig eration circuit of the heat pump The demands are processed according to the following priority ranking e Cooling has priority over e Hot water which has priority over e Swimming pool The waste heat generated in the cooling mode can be used for hot water generation or pool heating
25. tank 13 Heat source M13 Heating circulating pump R1 External wall sensor R2 Return flow sensor EV Electric distribution TC Room temperature ther mostat Y N1 B1 R1 N1 B2 l Ra he Qood l e M GR 7 Fig 9 1 Plumbing schematic for monovalent heat pump operation with a single heating circuit 49 RON 11 1 M13 M15 Air to water heat pump Heat pump controller Buffer storage tank Hot water tank Electric heating element Immersion heater hot water Heating circulating pump prinicpal circuit heating circuit 1 Heating circulating pump heating circuit 2 N1 N05 M13 N1 B3 R3 N1 NO10 E9 EV 4 FEN XA MR z EV N1 N011 M15 Y Y i cun I 10 LE A _ c c MEO JT X8 X11 N1 B1 R1 VT 777 Fig 9 1 a Plumbing schematic for single energy heat pump operation with two heating circuits and water heating function 9 2 Heating cooling heat pump system Fig 9 2 1 1 Reversible air to water heat pump 2 Heat pump controller Heating Cooling 3 Hot water storage tank 4 Swimming pool heat T exchanger MIA
26. the room in which room climate control station 1 is located This value is used for dew point calculation in the silent cooling mode TemrFerature room 2 Display of the current temperature in the room in which room climate control station 2 is located This value is used for dew point calculation in the silent cooling mode Humidity room 2 Display of the current humidity value in the room in which room climate control station 2 is located This value is used for dew point calculation in the silent cooling mode Sete temreratur Cooling Indicates whether a call for cooling exists Demand Hot water Display of the current hot water setpoint temperature 14 Hat water temr Dsiplay of the current hot water temperature as measured in the hot water storage tank This temperature is the controlled variable for hot water production Hat water Demand Indicates whether a call for hot water exists It may happen that the heat pump is not op erating although a call for hot water exists e g due to utility company interruption peri ods Swimming Fool Demand Indicates whether a call for pool heating exists It may happen that the heat pump is not operating although a call for swimming pool heating exists e g due to utility company off times Frost Protect iorn sensor Display of the current temperature at the heat source outlet This temperature is used to ensure that the lower operati
27. until the menu items are displayed Select the desired menu item e g Settings using the arrow keys Confirm by pressing the ENTER key Select the desired submenu item using the arrow keys Actuate the ENTER key until the cursor jumps to the set point value Adjust the setting to the desired value using the arrow keys Confirm changed value by actuating the ENTER key or discard the change by pressing the ESC key in the case of menu items comprising multiple settings the cursor will jump to the next setting in all other cases it will jump to the upper left corner 1 2 3 4 5 6 7 10 3 1 4 Settings menu All settings for the user are carried out in the Settings menu option For explanations concerning the heating circuit and hot water functions refer to 3 1 7 and 3 1 7 Apart from the menu structure and the explanations contained in the last column the various setting ranges are displayed in the table below values in bold type represent the factory configuration To access the Settings menu proceed as follows e press the MENUE key for approx 5 seconds e confirm the Settings menu option by pressing the ENTER key Setting of all system specific parameters Setting range Time Menu for setting the time of the day No automatic changeover from daylight saving to winter time LN Different settings concerning the operating modes fF Orerating mode Selection of the operating mode corresponds to the Modus
28. vated in a one through operation until the setpoint value has been reached This function resets itself automatically 27 Setting of all system specific parameters Setting Display range System Pume control The auxiliary circulating pump output can be configured so that the Always auxiliary circulating pump can be operated in parallel with the com pressor of the heat pump This configuration is possible after the set tings for space heating water heating or swimming pool heating have been made The frost protection functions are ensured Auxiliary rumr Do you want the auxiliary pump to be running during the space heat No during space heating EA 5 Y RUMP E g p Yes ing mode Auxiliary rumr Do you want the auxiliary pump to be running during the water heatin No druing water heating eee PPP g 9 Yes Auxiliary Fume Do you want the auxiliary pump to be running during the swimming No during rool heating pool heating mode Yes Date year To set the date year month and day of the week No automatic d pas 2 MORE changing of the setting in leap years will occur DEUTSCH Always ENGLISH Language FRANCAIS ITALIANO NEDERLAND CESKY Heating circuit 1 Hot water Swimming pool The text of the menu can be selected in six languages German French Italian English Dutch and Czech 4 2 1 Inputs The Inputs menu presents the status display contact open or closed for the following
29. 5 Buffer tank 6 Hot water tank ww 4 wies T R3 N1 NO10 E9 N1 N05 _ e M13 EV I KW N1 N06 M18 N2 N02 M19 EV RKS N2 TC 7 N1 B6 TTL 5 T TC 7 l De INO SE M l l l N1 N011 l Y M15 I Y d 4 N1 N012 N013 l 4 MA MZ M22 l M I N1 N04 E10 3 di 114 ee T X8 X11 N1 B1 I R1 Plumbing schematic for single energy heat pump operation with two heating cooling circuits for dynamic or silent heating cooling active and effective waste heat utilisation for domestic water heating and swimming pool heating 50 it Diagrams Ircul 10C 10 1 Heat pump controller for heating Bunnajenals I dst M 3232 PAG IS 1 v ZHOS OWA 082 Z N gH uassaljyosnzue epag yoru swasneq u p m jHaja6bue BunuuedszjoN euiox ep s3 je1yespi9n Bossom Ave ue uefei gx pun X ZX eImos r sig If ii Bun yoy eueds u yo pre1uoy lt HdS SA3 In OVA OEZ en her a De nn 5 Se Or HL won dox j 118 IPSAS URGE od OWA v2
30. EVS utility company disable input must be fitted if UC disable contactor is missing jumper open HP off Jumper wire SPR disable input configurable Jumper wire compressor fault Pressostat low pressure brine Thermostat hot water Thermostat swimming pool water Electr immersion heater hot water Suppl heat source boiler or electr heating element Control circuit fuse standard controller Load fuse for clamp type terminals J12 and J13 N1 J12 N2 transf 5x20 4 0A T Load fuse for clamp type terminals J15 to J18 5x20 4 0A T Signal lamp of remote fault indicator Clamp type terminals N1 heating controller J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 Terminal for power supply of controller unit 24VAC 50Hz Terminal for sensors R1 R2 R3 Input for R7 and R9 via control circuit line connector X4 Analog outputs are not used yet Terminal for hot water thermostat swimming pool thermostat and utility comp UC disable functions Terminal for sensors R5 R8 Terminal for alarm message low pressure brine Inputs outputs 24VAC for control of HP Outlet not used yet Outlet 6 pole for connection of N10 Terminal for pLAN Outputs for compressor and fan to J18 230VAC outputs for activation of system components pumps mixer immersion heater suppl heat source Clamp type terminals N2 cooling controller J1 Terminal for power supply of controller unit 24VAC 50Hz J2 Analog inputs for humidit
31. Installation and Operating Manual for Users and Heating System Installers Heat Pump Controller for Low Medium and High Temperature Heat Pumps for Heating and Cooling Order No 452114 67 44 FD 8504 Table of Contents icl cp RR 3 1 Operation of the Heat Pump Controller seeeeeeeeeeee eee eneee enne nennen nnn nn nnn nn snnt nnn 4 1 1 Heat Pump Controller WPM 2004 plus sssssssssesseeeneneenee nnne enne enses 5 1 2 Special accessories for the heat pump controller 5 2 Scope of Delivery and Installation uuuusrresannnnannnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 5 2 1 Scope of delivery of wall mounted heat pump controllers ssseeeeeee 5 2 2 nstallatiQrizz isst te et Respect sepe metae tt ect tma vp eek Ee herr tveethbearomecvbhean 6 2 2 1 Mounting the wall mounted heat pump controller eeseeennn 6 2 2 2 Temperature sensor heating controller eene 6 ENEMIUTTIMe rum M 8 Gal General ccc 8 3 1 1 Operation E EE 8 23 1 2 Operating Moden iic terret ti en Ee Re Mr DR Pride EIC XAR ELE DRAN Deva Doe E Rad 9 3 1 3 General information about the menu sssssssssssseseeeenee enne nennen 10 3 1 4 Settings MENU usse tete ie er CP deter eire cale rare eva 11 3 1 5 gt Operating Data MOnUu vec intero reo le PC E Ur Hoa e eg data
32. On until HW temp in HP mode is reached Yes Yes No 1 2 On up to HW temp in HP mode Off Yes Yes No 3 Off On until HW temp in HP mode is reached Yes Yes Yes 1 2 If reheating temperature lt HP Off max On until reheating tempera ture is reached Yes Yes Yes 1 2 If reheating temperature gt HP Activated until reheating tem max On until HP maximum is perature is reached reached Yes Yes Yes 3 Off On until heating temperature is reached The switching behaviour for bivalence setting 3 applies to a bivalent system In single energy systems it is imperative that a heating element be installed in the hot water tank Important e The thermostat integrated at the immersion heater must be set to a sufficiently high value e f in the Pre configuration no water heating or request by thermostat was selected the immersion heater will not be activated e Programmed off times for water heating are retained e Reheating is possible during a high pressure hot water lockout e If during reheating a utility company shut off period occurs or a water heating lock out programmed or a reheating lock out is ac tivated then reheating operation will be ter minated and reset e To prevent the hot water temperature from dropping too low the preset HW hysteresis value should not exceed 2K 4 5 7 Hot water rapid heating This function is designed to generate hot water as quickly as possible To this end the heat pump u
33. Summer mode the auxiliary circulating pump runs every 150 hours for one minute It is started up one minute before the compres Sor starts and switches off one minute after the compressor With air to water heat pumps the fan is addi tionally switched off in the defrost mode To guarantee the frost protection function the heat pump controller must not be disconnected from the power source and a water flow through the heat pump must be maintained 5 7 1 Resetting of faults The heat pump controller displays any existing malfunctions in plain text and the ESC key flashes red in addition The heat pump is deacti vated The supplementary heat source is acti vated and covers the entire heat demand this 5 7 2 Sensor Break The controller monitors the temperature sensor In the event that a sensor is not connected or if a short circuit or a break in a sensor line has 42 does not apply to monovalent systems After the malfunction has been eliminated the heat pump can be started up again by pressing the ESC key Switching off the control voltage causes the existing fault to be reset as well occurred the heating mode is activated to pre vent the system from freezing up 5 7 3 Frost protection If the outside temperature drops below 3 C and pump optimisation is activated the heating cir culating pump is started in order to reliably pre vent freezing up If the heating water tempera ture in the return pipe d
34. To this end the Max temp Parallel heating DHW is to be set in the Settings Hot water menu item The hot water pump is operating in the cooling mode for as long as the hot water temperature is below this limit After this limit has been reached the hot water pump is switched off and the swimming pool pump is switched off and the swimming pool pump is switched on regardless of the input of the swimming pool thermostat A prerequisite for this is that an auxiliary heat exchanger is inte grated in the heat pump and set to YES in the Heat exchanger menu item If no cooling demand exists calls for hot water or swimming pool heating can be processed These functions are however aborted after a continuous operating time of max 20 minutes if an existing call for cooling needs to be proc essed as a matter of priority During hot water generation or swimming pool heating the heat pump is operating just like in the heating mode 7 4 Functional description of passive cooling station Cold production is effected by switching the Cooling primary pump M12 on and off The compressor of the heat pump is not active and is therefore available for hot water generation The parallel operation of cooling and hot water generation is to be activated in the settings of the heat pump controller Setting Parallel cooling DHW Yes Note For the parallel operation of cooling and water heating special requirements concerning the hydra
35. a PARTY e 9 During the Party operating mode any programmed lowering of the heating day mode aX curves see 3 1 7 will be ignored The duration of the Party operating mode can be set in the menu 1 Settings Mode Party mode After this period has elapsed a switchover to the automatic mode takes place auto matically Suppl heat source In this operating mode the heat pump is shut off and the entire heating is HS 2 4 provided by the supplementary heat source The supplementary heat source may be an electric heating element oil or gas heating Time pro grams as well as heat curve settings remain active Operating mode supplementary heat source In this operating mode the heat pump is locked out the heating operation in the case of single energy systems is carried out via electric resistance heating in the case of bivalent systems via the supple mentary heating source 3 1 3 General information about the menu Dynamic menus The complete menu is described in the following Due to the preconfiguration the control functions and the menu layout are adapted to the existing installation upon commissioning As a function of these settings non relevant menu items are thus dimmed E g Water heating settings are not possible unless the menu item DHW generation has been con figured with yes upon preconfiguration Change of set points Keep the MENUE key depressed for a few seconds
36. a Compressor 1 Total runtime of compressor 1 Runtime Comrressor 2 Total runtime of compressor 2 Runtime SurErl heat source Total runtime of the supplementary heat source Runtime Primary PUMPE Total runtime of the brine circulating pump in the case of brine to water heat pumps Runtime tn or of the well delivery pump in the case of water to water heat pumps Due to pump priming and pump run down times this value is greater than the total compressor runtimes pan Total runtime of the fan of air to water heat pumps Due to defrost operations the el fan is switched off during the defrost process this runtime value is lower than the total compressor runtimes This value is only displayed for air to water heat pumps Heating Fume Total runtime of the heating water circulating pump since the start up of the control Runtime ler The runtime is greater than the sum of the compressor runtimes Cooling Operating time during which active cooling was performed Hot water rumr Total runtime of the hot water circulating pump since the start up of the controller Runtime during which domestic water heating was performed Immerzion heater Total on time of the immersion heater since start up of the controller during which Runtime domestic water heating was performed Swimming rool rumr Total runtime of the swimming pool circulating pump since start up of the controller Runtime and during which time pool heating was performed
37. able The heating water temperature is regulated in accordance with the heat demand by switching the boiler on and off The mixer valve for the supplementary heat source is fully open and acts purely as a valve or switch There is no Special Program available i e the boiler is de mand controlled 5 4 3 2 Mixer control for supplementary heat source constant Setting in the menu Settings Suppl heat Source Operating mode constant The boiler is enabled and voltage is applied The burner kicks on and off in accordance with the boiler thermostat the boiler is thus maintained at a constant temperature Control is effected by the mixer cycling on and off The mixer for the supplementary heat source is opened when there is a call for heat and closed when a lower 40 temperature level is requested During water heating and swimming pool heating the mixer valve is always fully open and after termination i e half of the mixer operating time it is moved to the CLOSED position i e the mixer mid position in order to assume an optimum control position for the heating mode The mixer operat ing time is to be set in the menu Settings Suppl heat source Mixer runtime according to the mixer used 5 4 3 3 Activation of electric heating elements In single energy installations electric supple mentary heating is utilised which is switched on and off in accordance with the heat demand Special coding is to be provid
38. al sensor z System malfunction In single energy systems the minimum return setpoint temperature is set frost protection is ensured in the case of any heat pump or system malfunction frost protection is ensured The electric heating element can be enabled via the supplementary heat source operating mode 20 4 Settings by Heating Experts 4 1 Preconfiguration of the Heat Pump Heating System The preconfiguration is designed to tell the controller which components are connected to the heat pump heating system The preconfiguration must be carried out prior to the configuration in order to make visible system specific menu items or to hide certain items dynamic menus 4 1 1 Preconfiguration menu To access the Preconfiguration menu proceed as follows e simultaneously press for approx 5 seconds the key combination ESC and MENUE To leave the Preconfiguration menu press the ESC key The following presettings must be performed Preconfisuration Preconfiguration of all system components for a Setting Display dynamic menu design range Orerating mode In which operating mode is the system operated Monovalent Always This means whether a and what type of suppl heat source is available Single energy in the system Biv parallel a Biv alternat Single energy using electric resistance heating Monovalent only HP Bivalent alterna
39. at source HS 2 takes over the heating operation until the heat pump restarts automatically Air water HP the evaporator is excessively iced up the air intake or air discharge openings are too small or obstructed extremely unfavour able weather conditions exist at external wall temperatures below approx 3 C Low Pressure cutout HP waiting Heat pump was switched off on reaching the low pressure limit value The heat pump restarts automatically The suppl heat source HS 2 takes over the heating operation until the heat pump restarts automatically Brine water or water water HP no malfunction may occur with certain wa ter to water or brine to water heat pumps Lower operat limit HP waiting The heat pump was switched off on reaching the lower operat ing limit The heat pump restarts automatically as soon as the heat source temperature has risen to a sufficiently high value safety function Brine water or water water HP the well water or brine temperature or flow rate is too low check strainer for cleanliness 56 High Pressure Prot HF OFF The heat pump was switched off on reaching the high pressure limit The heat pump restarts automatically after a few minutes high pressure safety program Temrerature limit P waiting The heat pump cannot start due to the temperature operating limit The outside air temperature is lower than 15 C or
40. ating Screed as preparation for floor covering Individual program This program provides the following settings Heat up temp diff Starting from an initial temperature of 20 C the setpoint temperature is increased with each program step by the preset difference up to the set maximum temperature The number of steps is thus a result of these factors 44 Heating up period Here the number of hours can be entered in which the relevant setpoint temperature must be reached and should be maintained func tion as described above Temp maint period Here the number of hours can be entered over which the maximum setpoint tempera ture must be maintained Heat reduct temp diff Starting with the preset maximum tempera ture the setpoint temperature is lowered with each program step by the preset difference down to the initial value of 20 C The number of steps is thus a result of these factors Heat reduction period Here the number of hours can be entered in which the relevant setpoint temperature must be reached and should be maintained In all other respect the same applies as de scribed under HEATING AS PREPARATION FOR FLOOR COVERING STANDARD PROGRAM 6 2 3 Implementation of the guideline for heat pump heating systems The guideline is based on whole days for which a predetermined temperature is to be reached or maintained If the screed has a high moisture content the predetermined tempe
41. aximum return temperature is to be maintained for a time period of 264 hours Here a total of the time during which the maxi mum return temperature was actually reached will be calculated The upper limit is undefined the lower limit is the setpoint hysteresis Only when the total time reaches the value of 264 hours will this program step be terminated Steps 6 through 8 are heat reduction steps with a duration of 24 hours each The return setpoint temperature is reduced with each step from the maximum return temperature down to 20 C To terminate a program step two conditions must be met The associated setpoint tempera ture must be fallen short of and the time period of 24 hours must have expired Should the tem perature be fallen short of before the 24 hour period has elapsed then the heat pump at tempts to maintain the associated setpoint tem perature during the remainder of the time No analysis will however be made as to how long this temperature was actually reached The duration of the heat reduction procedures is limited to max 72 hours as at high outside tem peratures the requested return temperature may possibly not be fallen short of Following the heating for screed drying and floor covering preparation the heat pump automati cally returns to normal operation Example Max return temperature 32 C Steps 1 4 20 24 28 32 C Step 5 32 C to be maintained Steps 6 8 28 24 20 C 6 2 2 3 He
42. be routed together with live wires e To ensure the freeze protection function the heat pump controller must not be disconnected from the power supply and adequate water flow through the heat pump must be maintained e The switching contacts of the output relays are interference suppressed Therefore depending on the internal resistance of a measuring instrument a voltage can be measured also if the contacts are not closed which however is significantly lower than the mains voltage Extra low voltage is applied between terminals J1 to J7 and J11 as well as at the connectors X2 X3 and X8 If due to a wiring error mains voltage is applied to these terminals the heat pump con troller will be destroyed In the event that a WPM 2002 plus old controller is replaced with a heat pump controller new the actuating direction of the high pressure and low pressure pressostats must be checked and adapted if necessary see Chapter 4 2 1 Operation of the Heat Pump Controller The heat pump controller is required for the op eration of air to water brine to water and water to water heat pumps It controls bivalent mono valent or monoenergetic single energy heating installations and monitors the safety devices of the refrigeration cycle It is either integrated into the cabinet of the heat pump or it is supplied together with the heat pump as a wall mounted controller which assumes both the control of the heat utilisatio
43. circuit 3 00 00 Heating circuit 3 is to be terminated a To set the temperature value by which the heating curve of heating Heating circuit 3 circuit 3 is to be increased during a specific period e It is possible to select individually for each day of the week whether a N Heating circuit 3 temperature increase is to become active Temperature rise periods J over multiple days are always activated or deactivated upon day changeover Settings for the cooling mode E Yy Cooling function Cooling Dynamic cooling Dynamic cooling Setpoint return Cooling Silent cooling Silent cooling Ho of room modules Silent cooling Setroint Croom temr 2 Silent cooling DewrFoint difference Hat water Changeover 2nd comer Hot water Hysteresis Hot water Parallel heating DHW Setting that indicates whether the system features a dynamic cooling No Cooling function facility e g fan convector Yes To set the setpoint for the dynamic cooling mode This temperature 10 C Cooling function corresponds to a fixed return setpoint temperature e ae Dyn cooling Setting that indicates whether the system features a silent cooling Yes ooling function facility e g ceiling cooling No Setting that indicates whether on activation of the silent cooling facility Cooling function one or two room climate control stations for dew point monitoring are Silent cooling to be used To set the setpoint for the silent cooling mode This t
44. comp 2 In monovalent and single energy systems this value cannot be changed it is firmly set to Utility comp 1 Lim temm LC 3 This is the associated limit temperature for the Utility comp 3 setting x Bivalent Utility comp 3 A l 3 HS 2 1 The special program is to be used for old oil burners or in bivalent Biv Single rFeclai Proaram systems with central storage tanks in order to prevent corrosion Yes energy caused by condensation Heating circuit 1 Settings for heating circuit 1 aM Heating circuit 1 HC 1 Heating curve The heating curve end point is to be set in accordance with the heat Heating circuit 1 End Point ing system design When so doing the maximum return flow tempera ture is to be entered which results from the calculated maximum flow temperature minus the temperature difference within the heating sys tem HC 1 Heating curve For surface and radiator heating systems various maximum tempera Heating circuit 1 Maximum value tures are permissible The upper limit of the return setpoint tempera ture can be set between 40 C and 70 C HC 1 Hysteresis The hysteresis of the return setpoint temperature represents the neu Heating circuit 1 Return sete temr y p p p tral zone for the operation of the heat pump If the temperature return setpoint temperature plus hysteresis is reached the heat pump cy cles off If the temperature return setpoint temperature minus hys teresis is reached the heat p
45. dicates a defect in the heat pump The heat pump customer service is to be informed For a quick and precise fault diagnosis it is necessary that you state the type of malfunction the heat pump designation and the software version of the controller The heat pump malfunctions listed below may appear on the display depending on the particular type of installation Low pressure e Hot gas thermostat Freeze protection e Temp difference e Motor prot compr Gustem Fault A system malfunction indicates a defect or a maladjustment in the heat pump sys tem The local installer is to be informed For a quick and precise fault diagnosis itis necessary that you state the type of malfunction the heat pump designation and the software version of the controller The system malfunctions listed below may appear on the display depending on the particular type of installation e Motor prot Primary e Flowrate well High pressure In analogy to a plant malfunction a broken sensor or a sensor short circuit may have occurred The local installer is to be informed For a quick and precise fault diagnosis it is necessary that you state the type of malfunction the heat pump des ignation and the software version of the controller The sensors listed below may be defective depending on the particular type of installation Short circ or break Return sensor Freeze prot Sensor e Hot water sensor e Antifreeze probe e 2nd heat circ sensor e Extern
46. ed in the Pre 5 4 3 4 Special program for older systems If there is a call for the supplementary heat source and the so called Special program is activated in the menu Settings Suppl heat source then the supplementary heat source continues to operate for at least 30 hours If the heat demand decreases during this period the supplementary heat source will enter the Stand by mode voltage is applied to suppl heat source but mixer is CLOSED The supplemen configuration menu by setting the Single en ergy operating mode During a UC1 interrup tion the heating elements are always switched off tary heat source will not be completely switched off until no request for it exists for 30 hours This function can be used in bivalent systems as follows 1 With older oil or gas boilers in order to pre vent corrosion damage if the temperature frequently drops below the dew point 2 n central storage systems to ensure ade quate storage temperatures for the following day regardless of the current heat demand 5 5 Switching cycle lockout and time delays In accordance with utility company UC regula tions Technische Anschlussbedingungen TAB compressors of a heat pump may be switched on only three times per hour i e once every 20 minutes If a compressor was operated for more than 20 minutes it may after it was switched off already be restarted after a minimum time 5 6 Activation of circulating pumps
47. ee Chapter 1 Regardless of the setting the heating circulating pump always operates in the heating and defrost modes as well as when there is a danger of freezing In systems featuring two heating cir cuits the 2 heating circulating pump has the same function If a switchover from the heating mode to the water heating or pool heating mode occurs the heating circulating pump will complete a run down cycle lasting at least 1 minute The heating pump operates continuously at out side temperatures below 3 C return tempera tures below 15 C and flow temperatures below 6 C only air In the Summer mode the pump is operated every 150 hours for one minute to prevent sei zure of components in the heating pump at the start of the heating season 5 6 2 Hot water circulating pump The hot water circulating pump operates during water heating If a call for hot water occurs dur ing the heating operation the heating circulating pump is deactivated with the heating pump run ning and the hot water circulating pump is acti vated The water heating process may be interrupted by a defrost activity or the high pressure safety program 5 6 3 Swimming pool circulating pump The swimming pool water pump operates during swimming pool heating Any ongoing pool heat ing operation can be interrupted at any time by a call for domestic hot water a defrost procedure or when raising the heating curve e g following a night setback b
48. eheating peri 50 C immersion heater max su ods to be enabled over multiple days are always activated and deactivated upon day changeover Hot water Setting that specifies whether a hot water rapid heating function is Quick heating A to be activated For this purpose HP and immersion heater are activated once until the setpoint is reached This function resets itself automatically Be Year Honth To set the date year day month and day of the week No auto Heck don on matic changing of the setting in leap years will occur No Y Language The text of the menu can be selected in six languages German DEUTSCH French Italian English Dutch and Czech ENGLISH FRANCAIS ITALIANO NEDERLAND CESKY 13 3 1 5 Operating Data Menu All present operating data are displayed in the Operating data menu option The Operating Data menu can be reached as follows e Press the MENUE key for approx 5 seconds e Select the Operating Data menu option using the arrow keys and confirm by pressing the ENTER key Depending on the particular system configuration the following data can be interrogated in the Operat ing data menu rPerating data Display of all current operating data External temrerat Display of the current outdoor temperature as measured by the external wall sensor on the north or north west side of the building This value is used for the calculation of the ret
49. emperature cor i Cooling function responds to the desired temperature in the room in which room cli 20 0 C Silent cooling mate control station 1 is located To set the dewpoint difference This value represents the temperature 15K Cooling function difference between the calculated dewpoint and the HP cut out value e E Silent cooling Setting for water heating BERND Hot water To set the outside temperature below which in the case of 2 Hot water compressor heat pumps the water heating and swimming pool water E 2 compressors heating process is carried out with 2 compressors The hysteresis of the hot water setpoint temperature represents the Hot water neutral zone for the operation of the heat pump for water heating Ek Sensor 1 Setting that indicates whether in HPs with auxiliary heat exchanger a Suppl heat ex parallel operation of heating and domestic water heating is to be pos Yos Hot water sible In this way higher hot water temperatures can be reached Sensor 26 Setting of all system specific parameters Setting Display range Hat water To set the maximum hot water temperature the heat pump can pro Hot water max teme duce It is dependent upon the heating capacity of the heat pump the Sensor heat exchanger surface installed in the storage tank and the capacity volumetric flow rate of the circulating pump With this setting the sensor time lag reheating and the hysteresis
50. ensor for heating circuit 1 42 5 connecting lead 6 m long 9 7 Ars 8 6 Fig 2 5 Dimensions of return flow sensor in metal housing 3 User Operation 3 1 General 3 1 1 Operation The heat pump controller is operated by means of 6 pushbuttons Esc Modus Menue U f a The current operating status of the heat pump and the heating installation are 6 different operating modes can be se lected from Cooling Summer Auto Party Holiday Suppl heat source The menu has 3 main levels indicated on the 4 x 20 character LC display in plain text see 3 2 Settings Operating Data History 4 x 20 character display Operating mode Operator keys with backlighting symbols RIOR LS HP status display Heating warmer colder lines 1 2 3 slide bar line 4 Fig 3 1 LC display main screen with operator buttons Contrast The LC display contrast can be adjusted For this purpose simultaneously press the keys MENUE and until the adjustment is completed The contrast can be increased by pressing the tt key the contrast is decreased by pressing the 4 key Keypad lock child proof lock To prevent accidental changes to the settings of the heat pump controller press and hold the Esc key for approx 5 seconds until the keypad lock active display appears Proceed in the same way to unlock the keypad The operation of the heat pump controller is effected by means o
51. epeneis 8 Pree FEN jo In o o o a 10 a 8 vr ef VArZIEX fe ie N 3 ii 5unjyoy OVA 082 LL OWA vc SX OO ORO OVA 0 OVAYC F wfo lt o N U ef aNd B Er Loarsr Connection diagram of the wall mounted WPM 2004 R N1 heat pump controller 53 Fig 10 2 vs J9 04 U09 dund 1e8u ZN Y 002 WdM pejunow jem y jo WEABEIP uonoeuuo 0L BI iN NAN ne ie a Dan i a dei fee DeL 1 8 F3 12 C1 230VAC L ee AN iis aoe ON 9 Betriebsspannung _ 4 1 8 X4 12 _J13 NO4 Y1 24VDC e e 24VAC von extern Gezeichnete Kontaktstellung an J15 p j 1 N2 und N9 arbeiten im Heizbetrieb im Heizbetrieb 1 2 911 Fg ETT pace uc 1 L 1 1 d N2 N5 3 9 z al 2 x o Of Of L r cj oj z z 21 9 J11 J12 J13 al N 1 5 X2 G tG 24VAC 1 8 X4 18 79 103 Kondensationsdruck Press X Temper X Temper Mer 9 R10 Achtung Feuchte Feuchte max 5 Sensoren J1 bis J11 J13 und 14 sowie X2 X3 X4 Cv CU und X5 liegen an 24V Es darf keine Netzspannung angelegt werden 10 4 Key to the circuit diagram of the heat pump controller for Heat A1 A2 A4 B2 B3 Ba E9 E10 F1 F2 F3 H5 ing Cooling Jumper wire
52. er disable function is to be termi 00 00 Hot water nated pi i Hot water lockout It is possible to select individually for each day of the week whether an Hot water MO nen su off period for water heating is to become active Off periods over multiple days are always activated or deactivated upon day change over Hot water Setting that indicates whether an immersion heater installed in the Hot water Rene nd EnSble system is to be enabled for hot water booster heating Sensor Immersion heater Hot water To set the maximum possible hot water temperature that can be at Hot water Reheatins9 max tained during reheating is Sensor Immers heater Reheating Hot water cus ER Reheating must be enabled by a time program Hot water Reheating DHW reheating To set the time at which reheating is to be enabled 00 00 Hot water Start xs Sensor 23 59 Reheating DHM reheatins To set the time at which reheating is to be terminated 00 00 Hot water End Sensor 23 59 Reheating DM Fehesbins It is possible to select individually for each day of the week whether HP Max Hot water pii reheating is to become active Reheating periods over multiple days 50 C Sensor Imm heater Reheating max are always activated or deactivated upon day changeover Hot water Setting that indicates whether a rapid water heating function is to be Hot water Rarid heating activated In this case the heat pump and immersion heater are acti
53. es COOLING Can only be selected if a cooling controller is connected see Chapter 7 The heat pump operates in the cooling mode separate control functions become active This operating mode cannot be activated unless a cooling controller is connected to the heat pump controller and the Cooling func tion was enabled in the preconfiguration SUMMER In the SUMMER operating mode only domestic hot water and swimming l pool water is heated by the heat pump The space heating function is not activated Freeze protection is ensured AUTOMATIC The heat pump operates in the automatic operating mode Programmed temperature reduction and rise times as well as shut off times for space heating and water heating are automatically activated The water heating space heating and pool heating functions are activated according to their respective priority ranking The heat pump and the supplementary heating Source are activated and deactivated as required setback mode water heating lock out function is activated Both functions are independ ent of the respective time control functions see 3 1 7 and 3 1 7 however the preset setback values apply The duration of the holiday mode can be set in the menu 1 Settings Mode Holiday mode After this period has elapsed a switchover to the automatic mode takes place automatically HOLIDAY During the holiday operating mode the heating curves are lowered and
54. es precedence 7 Hot water heating see 3 1 8 In the Settings Hot water menu option it is possible to program apart from the hot water temperature also off times for water heating in order to be able for example to set water heating to occur at night In addition there is a possibility of time controlled reheating of the hot water to temperatures above 60 C 8 Displays see 3 2 Current operating state of the heat pump system e Fault messages ESC key is flashing HP fault Indication of a defect in the HP Contact the after sales service System fault Indication of a defect or a maladjustment in the heat pump system Contact your local installer Short circ or break A broken sensor or a sensor short circuit may have occurred Contact your local installer 60
55. f the 6 keys provided on the display panel Depending on the present display main screen or menu these keys are assigned the following functionality Key Main screen Used to activate or deactivate the keypad lock Esc To reset a malfunction Modus e To select the operating mode see 3 1 7 Menue To jump to the menu screen To lower the heating curve colder see 3 1 7 t To raise the heating curve warmer see 3 1 7 ft No action a Menu e To exit the menu and return to the main screen e To return from a submenu e To exit a setpoint value without ac cepting changes No action No action e To scroll downward between the menu items of a given level e To decrease a preset value e To scroll upward between the menu items of a given level e To increase a preset value e To select a preset value within the relevant menu item e To exit a setpoint value with accept ing changes e To jump to a submenu 3 1 2 Operating mode Six different operating modes can be selected by means of the Modus key mode changeover takes place with a time delay Any time a key is pressed the operating mode can be changed in the sequence shown below Setting the operating mode Select the desired mode of operation by repeat edly pressing the Modus key text message Once the setting has been completed the changeover will take place after a waiting time of 10 seconds the symbol in the display chang
56. from the preset heating characteristic and the current outside temperature measured on the outside wall The heating curve should be adjusted in such a way that depending upon the heating system surface heating or radiators the building struc ture and local conditions the desired room temperatures are reached at all times without any unnecessarily high temperature levels being attained Control via the return temperature The control of a heat pump heating system via the return temperature offers the following ad vantages 1 Longer operating times of the heat pump also without parallel buffer 2 Capturing the disturbance variable of the heating system e g passive solar gains 3 With a low heat demand the lower tem perature difference automatically results in lower flow temperatures and hence more efficient operation Energy efficient operation The heating curve should be set as high as necessary and as low as possible 31 4 4 Setting the heating curve The heating curve needs to be adapted sepa rately for heating circuits 1 and 2 to the local conditions and the building structure so that the desired room temperature will be reached even with changing outside temperatures When the outside temperature is rising the return setpoint temperature is lowered thus ensuring the en ergy efficient operation of the heating system 1 In the menu Settings Heating curve End point the max
57. g capacity of the heat pump summer mode and the desired storage tank temperature e g 45 C HW temp in HP mode active Temperature in the hot water tank that is to be attained if no reheating is HP maximum mode Maximum hot water temperature that can be reached in the pure heat pump Reheating To reach a temperature in the hot water tank that is higher than HP maxi mum by activating an immersion heater Max reheating heating Maximum permissible temperature to be reached in the hot water tank by re Reheating temperature The reheating temperature set for the applicable day of the week 4 5 3 Setting of hot water generation without reheating Menu Submenu Set value Pre configuration Water heating Yes Pre configuration Immersion heater No Settings HP maximum temp approx 10 C below the maximum flow temperature of the heat pump The user settings are to be made in accordance with Chapter 3 1 8 Hot water heating 4 5 4 Setting of hot water generation with reheating Menu Submenu Set value Pre configuration Hot water generation Yes Pre configuration Immersion heater Yes reheating max Settings Hot water approx 10 C below the maximum HP maximum temp flow temperature of the heat pump Settings Hot water Yes reheating Settings Hot water Adjustable up to max 80 C The user settings are to be made in accordance wi
58. he heat pump controller manager can be used to control a power contactor Sensor lines may be extended to up to 30 m using 2x0 75mm wires F2 F3 K9 N1 N11 T1 X1 X2 X3 X8 X11 Load fuse J12 J13 4A slow acting Load fuse J14 J18 4A slow acting Coupling relay 230V 24V O Heating controller O Relay module Transformer Terminal strip 230 VAC 6 6 Een ed K3 xu Terminal strip 24 VAC E Elooooodo T Terminal strip GND 0V VDC X3 X2 Connector extra low voltage o X8 Connector control F3 F2 59 14 Quick Reference Guide for the User 1 Selection of the operating mode via the Modus button see 3 1 2 Cooling 2a The unit operates in the cooling mode Summer Only domestic water heating and swimming pool heating takes place Frost protection is ensured Automatic Programmed operating times are automatically activated Holiday e Temperature setback and a water heating lock out function are activated for a preset period of days Party AR Any programmed lowering of the heating curves will be ignored un IL Suppl heat source HP operation is disabled Heat will be generated by the supplementary heat source 2 Changing preset values Keep the MENUE key depressed for a few seconds Select the desired menu item using the arrow keys ff a
59. hermostat hot water K23 Auxiliary relay for SPR B4 Thermostat swimming pool water M11 Primary pump E9 Electr immersion heater for hot water M13 Heating circulating pump E10 Suppl heat source boiler or electr heating element M15 Heating circulating pump heating circuit 2 M16 Auxiliary circulating pum F1 Control circuit fuse N1 5x20 2 0A T MiB Hor wor Ein Dumb F2 Load fuse for clamp type terminals J12 and J13 5x20 M19 Swimming pool circulating pump 4 0ATr Ara M21 Mixer of principal circuit F3 Load fuse for clamp type terminals J15 to J18 5x20 M22 Mixer of Healing circuit 2 4 0ATr N1 Controller unit H5 Signal lamp of remote fault indicator N10 Remote control station Caution N11 Relay assembly 24 V extra low voltage is applied to clamp type terminals J1 to Ri External wall sensor J7 and connectors X2 X3 and X8 R2 Return flow sensor On no account must any higher voltage be applied R3 Hot water sensor J1 Terminal for power supply of controller unit 24VAC i ie art of BD 2 50Hz ow sensor frost protection J2 Terminal for hot water return and external sensors Ti Safety transformer 230 24 V AC 28VA J3 Input for HP coding and frost protection sensor via x1 Terminal strip mains connection N and PE distr control wire of connector X8 x2 Terminal 24VAC J4 Output 0 10VDC for activation of remote fault indicator X3 Terminal Ground and swimming pool circulating pump X8 Connector control line extra low voltage J5 Te
60. igned to prepare the screed for floor covering It is used to detect any defects in the screed and the underfloor heating system that may exist Step 1 A constant return temperature of 20 C is to be maintained for 72 hours 3 days Step 2 The maximum return temperature adjustable is to be maintained for 96 hours 4 days Caution Step 3 The heat pump is to remain deacti vated until the return temperature has dropped to below 20 C The time period required for step 3 is limited to a maximum of 72 hours since at high outside tem peratures the return temperature may possible not fall below 20 C Following the UFH functional check the heat pump will return to normal operation as preset and configured The UFH functional check should not take place until after normal screed drying or after screed heat ing designed to prepare the screed for floor covering has been performed 43 6 2 2 Heating for screed drying and floor covering preparation 6 2 2 1 General To be performed according to specialist informa tion of various associations and institutes This program is designed to remove the mois ture from the screed to such an extent that floor coverings can be laid It is however imperative that the moisture con tent be measured as additional drying may be necessary can be accomplished by means of fixed setpoint control The directive provides for a fixed number of steps with specified time periods Th
61. ing with air to water heat pumps one or two compressors are operating depending on the outside temperature pressor and in setting B2 in the case of heat pumps with two compressors e The performance settings are not redefined during defrost swimming pool heating a call for hot water or a utility company interrup tion 5 4 1 4 Low and high temperature heat pumps with 2 compressors Low temperature heat pumps To ensure optimum operation of the entire heat pump system the compressors and the supple mentary heat source are used depending on the performance setting and the heat demand The table below displays the defined states of low temperature heat pumps possessing 2 com pressors Heat pump with Bivalence setting one compressor Heat pump with two compressors Setting B1 only one compressor is cycling on off only one compressor is cycling on off Setting B2 ee O 1 compressor f base load 1 compressor cycling on off Setting B3 en and suppl heat source if both compressors and suppl heat source if required Defrost compressor is operating one compressor is operating compressoris operalin in air to water heat pumps one or two compressors are operat p p 9 ing depending on the outside temperature in air to water heat pumps one or two compressors are operat ing depending on the outside temperature Water heating Swimming pool heating compressor is operating 39 High temperature heat pumps
62. ion takes precedence For an energy efficient operation of the heat pump heating installation the temperature level to be provided by the heat pump should be as low as possible In well insulated buildings uniform heating operation without setback times normally result in lower energy costs since performance peaks requiring high flow temperatures can be avoided and the same comfort level can be achieved at lower temperatures 3 1 8 Hot water heating In the Settings Hot water menu option it is possible to program apart from the hot water temperature also off times for water heating During this time no water heating is performed With tanks of sufficient capacity it is recom mended to set water heating or reheating to occur at night in order to be able to benefit from often less expensive low tariff times In addition there is a possibility of time controlled re heating of hot water Activating the reheating function Reheating can only be set if this function was configured accordingly The water heating configuration is described in Chapter 4 5 Electric reheating always takes place after the water was heated by the heat pump The cold water flowing into the lower section of the tank is pre heated by the heat pump Reheating of the hot water tank will not occur until the temperature falls below the level that can be attained in the heat pump mode Setting recommendation for the daily re hea
63. ipment should be performed by qualified experts only Improper repairs may result in considerable hazards for the user According to applicable regulations the installation and operating manual should be kept in a handy place for ready reference at all times and be handed to the qualified expert whenever work on the equipment needs to be carried out May we therefore ask you to pass this manual on to the next tenant or owner when you move out The unit must not be connected if there is any visible damage to the equipment In this case it is imperative that the supplier be consulted To avoid any consequential damage make sure that only genuine replacement parts are used Make sure that the packing material is disposed of properly in accordance with applicable environmental requirements Regulations and Safety Notices e Any adjustments inside the unit may be performed by qualified installation technicians only e On commissioning all applicable VDE safety requirements in particular VDE 0100 and the technical connection requirements German Technische Anschlussbedingungen TAB of the Utility Compa nies UC and the supply network operators have to be complied with e The heat pump controller should only be operated in dry rooms with temperatures between 0 C and 35 C The formation of condensation is not permissible e All sensor connecting lines with a wire cross section of 0 75 mm may be extended to up to max 30 m Sensor lines must not
64. is sequence can be selected in the menu HEAT SCREED DRYING STANDARD PROGRAM As a rule the standard program should be used in agreement with the person laying the screed Only in the case of special demands on the pre heating operation may it be necessary to indi vidually adapt the process predetermined for the standard program To this end select the menu tem HEAT SCREED DRYING INDIVIDUAL PROGRAM 6 2 2 2 Heating screed as preparation for floor covering Standard program This program comprises 8 steps and is as a rule suitable for all underfloor heating systems Before it is activated the maximum permissible return temperature e g 32 C needs to be en tered Steps 1 4 preheating procedures Step 5 maintaining temperature Steps 6 8 heat reduction procedures Steps 1 through 4 are initial heating procedures with a duration of 24 hours each The return setpoint temperature is increased with each step from 20 C up to the maximum return tempera ture To terminate a program step two conditions must be met The associated setpoint tempera ture must be reached or exceeded and the time period of 24 hours must have expired Should the temperature be reached before the 24 hour period has elapsed then the heat pump at tempts to maintain the associated setpoint tem perature during the remainder of the time No analysis will however be made as to how long this temperature was actually reached In step 5 the m
65. ivated during this time period The cold generator is not able to cool although there is a call for cooling because the frost protection function was activated This state will be terminated automatically The cold generator is not able to cool although there is a call for cooling because the current supply temperature is below the operating limit This state will be terminated automatically The cold generator is not able to cool although there is a call for cooling because the dew point monitor was activated ex ternal input This state will be terminated automatically The cold generator is not able to cool although there is a call for cooling because dew point calculated from the sensor val ues of the room climate control station has been fallen short of This state will be terminated automatically 57 Cooling function Cooling function Cooling function Cooling function Cooling function 12 Special Accessories 12 1 Remote control station A remote control station is available as a special accessory Operation and menu user guidance are identical with those of the heat pump control ler additional pushbuttons allow additional func tions to be used for a more detailed description refer to the remote control station operating manual The connection is effected via a 6 core telephone cable special accessory with West ern connectors 12 2 Remote Diagnosis System RDS The Remote Diag
66. key Cooling Summer Auto Party Holiday Suppl heat source Fartu mode Durati f inh ea cc en uration of party mode in hours 7 Holiday mode Duration of holiday mode in days Ho of dass y x EL 150 Heating circuit 1 Settings for heating circuit 1 EE HC 1 Time Program All settings for lowering the heating curve of heating circuit 1 Setback 3 3 3 dr P Push To set the time at which the temperature setback of heating circuit 00 00 ar 1 is to be started 23 59 Be Setback To set the time at which the temperature setback of heating circuit 00 00 n 1 is to be terminated 23 59 1 i H Setback To set the temperature value by which the heating curve of heating 0 Setback value circuit 1 is to be lowered during a setback period over HC 1 Time Program All settings for raising the heating curve of heating circuit 1 Teme rise He zur rise To set the time at which the temperature rise of heating circuit 1 is 00 00 at to be started 23 59 HC 1 Temr rise To set the time at which the temperature rise of heating circuit 1 is 00 00 End to be terminated 23 59 a 1 Teme rise To set the temperature value by which the heating curve of heating 0 12e value circuit 1 is to be raised while the temperature rise mode is active ME 1 Temr Figs It is possible to select individually for each day of the week es whether a temperature rise is to become active Temperature rise periods over multiple days
67. lection in the configuration menu i e no biva lence setting 2 exists If the requirements for bivalence setting changeover as described in 5 4 1 are fulfilled the supplementary heat source may also cut in in bivalence setting 3 be enabled permanently outdoor temperature dependent or not at all depends on the local conditions and the building structure as well as the duration and time of the interruption period The heat pump controller can be configured accordingly by means of the menu Settings Suppl heat source Type Util comp off period If the setting UC3 is selected in the menu Set tings Suppl heat source Util comp off period the switching behaviour of the heat pump controller above the set limit temperature UC3 corresponds to that for UC1 and below the limit temperature to that for UC2 Regardless of the set limit temperatures a de mand for the supplementary heat source will always occur if the heat pump is locked out on account of a malfunction fault and a heating demand exists Performance setting B3 is only active if also the outside temperature is below the set limit temperature for at least 60 minutes The associated setting is to be made in the menu Settings Suppl heat source Limit value 5 4 3 Activation of supplementary heat source 5 4 3 1 Self regulating supplementary heat source variable Setting in the menu Settings Suppl heat source Operating mode vari
68. ller Manager for Heating Cooling 46 4 sGontroller design s esta teten PERSTO E Un eun erue tese te E nern 46 7 1 1 Network operation of heating and cooling controller and remote control station 46 7 1 2 Temp sensor cooling contr errre anae E E S NET E enne 46 4 2 GOOlllgo Eaa e a lee en ao E a EA a E SEITE 47 7 2 1 Activation of the cooling mode seors nase ea EA eene AAE TEKEE EEEE K 47 7 2 2 Activation of the cooling functions ssssssseneneeeeee nenne enn nennen 47 7 2 8 X Silent and dynamic cooling sse retener nennen nnns 47 7 2 A Heating circulating pump of heating circuit 1 essem 47 7 2 5 Heating circulating pump of heating circuit 2 ssennn nn nenn 47 7 2 6 Safety functions displayed on controller sssssseeeeennn 47 7 3 Functional description of Active cooling eeeseeeneeeenn eene 48 7 4 Functional description of passive cooling station essseenn ee 48 7 5 Functional description of wall mounted cooling controller 48 7 5 1 Cycling behaviour of primary pump ssesssssseseeeeeeeneeneeennenen nnne nens nnne 48 7 5 2 Circulating pump for cooling cold distribution sseeen 48 8 Technical Equipment Information eeeeeeeeeeee nennen enne eene nnne nennen nnn n annee nnns 49 9 Integration Examples
69. lus 2 2 2 Temperature sensor heating controller All temperature sensors to be connected to the heat pump heating cycle controller correspond to the illustrated sensor diagram For the characteristic curve of the sensor con 14 00 nected to the cooling controller refer to 7 1 2 Depending on the heat pump type the following temperature sensors are already integrated or need to be mounted in addition 16 00 1 12 00 1 10 00 7 8 00 e Outside wall temperature see 2 2 2 1 6 001 Widerstandswert k Ohm e Temperature sensors for heating circuits 1 and 2 see 2 2 2 2 e Flow temperature frost protection for L1 LL air to water heat pumps only 20 15 10 5 0 5 10 15 20 25 AuBentemperatur C e Heat source output temperature for brine and water to water HPs only Fig 2 2 NTC sensor acc to DIN 44574 Hot water temperature Do not route sensor together with live wires 2 2 2 1 Installation of outside temperature sensor The temperature sensor must be mounted in such a way that all climatic influences are cap tured and inaccurate readings prevented Mounting e to be attached with the sensor side blue circle to an external wall of a heated living space preferably on the north or north west side e do not mount in a protected location e g a wall niche or under a balcony e do not mount near windows doors air dis charge openings floodlights or heat pumps e do not expose to direc
70. m the other control functions Activation of the cooling function can be pre vented due to the following reasons e The outside temperature is below 15 C reversible Air HP 7 2 8 Silent and dynamic cooling Various system configurations can be realised depending on the integration scheme e Dynamic cooling only e g using fan convectors The control is of the fixed setpoint type In the Settings menu option set the de sired return flow temperature e Silent cooling only e g underfloor wall or ceiling cooling The control is governed by the room temperature The decisive factor is the temperature of the room in which the room climate control station is installed as shown in the connection diagram In the Settings menu option set the de sired room temperature The Cooling operating mode can only be acti vated if the cooling function active or passive was enabled in Pre configuration e No cooling controller is available or the connection is faulty e Neither silent nor dynamic cooling was chosen in Settings by selecting YES In this state the Cooling mode remains active the control however behaves just like in the Summer mode e Combination of dynamic and silent cool ing Control is effected based on two sepa rate control circuits The control for the dynamic cooling mode is a fixed setpoint control as de scribed under active cooling The control for the silent cooling mode is based on the
71. minute is activated rer mode cooling The heat pump remains deactivated during this time span Frost Prot refrigerat The cold generator cannot produce cooling despite an existing demand because the frost pro Cold generator waiting tection was activated This state will be terminated automatically Surely temr limit The cold generator cannot produce cooling despite an existing demand because the current Cold Jenerator waiting supply temperature lies below the operating limit This state will be terminated automatically Dew Point monitor The cold generator cannot produce any cooling despite an existing demand because the dew Cold Jenerator waiting point monitor was activated external input This state will be terminated automatically Dew Point The cold generator cannot produce any cooling despite an existing demand because the dew Cold Jenerator waiting point that was calculated from the sensor values of the room climate control station was fallen short of This state will be terminated automatically Cooling is performed in a passive manner there is no call for heat pump operation HF off 19 3 2 2 Fault messages Fault messages on the display are always classified into three categories e Heat pump fault e sensor fault and e system fault Please contact the customer service only when a heat pump malfunction HP fault has occurred The following messages may appear on the display HP Fault A heat pump fault in
72. mperature Setting of the desired setpoint temperature after fixed setpoint control 15 C Heating circuit 2 has been selected 40 C Fixed value HC 60 C 2 24 HC 2 Settings Setting of all system specific parameters Setting Display range bar This setting serves to adjust the temperature to individual comfort levels for heating circuit 2 in accordance with the setting indicated on the main screen warmer colder HC 2 Time Program Setback HC 2 Setback Start HC 2 Setback End HC 2 Setback Setback value HC 2 Setback MO HC 2 Time Program Temp rise HC 2 Teme rise Start HC 2 Teme rise End HC 2 Teme rise Rise value HC 2 Teme rise HO Su Heating circuit 2 If a higher temperature level is to be attained the slide bar needs to be moved to the right using the Up key If a lower temperature level is to be attained the slide bar needs to be moved to the left using the Down key All settings for lowering the heating curve of heating circuit 2 EE Heating circuit 2 To set the time at which the temperature setback of heating circuit 2 is 00 00 Heating circuit 2 to be started ie 23 59 To set the time at which the temperature setback of heating circuit 2 is 00 00 Heating circuit 2 to be terminated Z 23 59 To set the temperature value by which the heating curve of heating 0K Heating circuit 2 circuit 2 is to be lowered during setback period dk It is possible to select
73. mperature of heating circuit 3 Heating circuit 3 This temperature is the controlled variable for heating circuit 3 Heating Indicates whether a call for heating exists It may happen that the heat pump is not operat Demand ing although a call for heating exists e g due to utility company interruption periods Bivalence Point Indicates which heating sources are allowed to be used for satisfying the heating demand Three bivalence settings are possible Return temperature Passive cooling Display of the current return temperature of heating circuit 1 during a cooling operation measured at the return side of the passive cooling unit Surely temrerature Passive cooling Display of the current supply temperature of heating circuit 1 during a cooling operation measured at the supply side of the passive cooling unit Frost Protection cold Jenerator Cooling Display of the current temperature captured by the frost protection sensor during cold generation This temperature is used to ensure the operating limits in the cooling mode TemrFerature room 1 Sete value Display of the current room setpoint temperature TemrFerature room 1 Display of the current temperature in the room in which room climate control station 1 is located This temperature is used as the controlled variable for silent cooling it is also used for dew point calculation Humidity room 1 Display of the current humidity value in
74. n The heat pump controller is either integrated into the cabinet of the heat pump or it is supplied together with the heat pump as a controller for wall mounting 2 1 Scope of delivery of wall mounted heat pump controllers The wall mounted controller is supplied in two versions The standard heat pump controller WPM 2004 plus is designed to control the heat ing cycle The heating cooling heat pump con troller WPM 2004 R provides the additional cool ing control function The following parts are included in the scope of delivery of the wall mounted heat pump control ler e heat pump controller e 3 dowels 6 mm with screws for wall mounting e Outside wall temperature sensor including attaching screw and dowel e Installation and operating manual 2 2 Installation 2 2 1 Mounting the wall mounted heat pump controller The controller is secured to the wall using the supplied 3 screws and dowels 6 mm To pre vent the controller from being contaminated or m i damaged proceed as follows e Install dowel for the upper eye hook at oper ating level e Turn screw into dowel to such an extent that controller can still be engaged Engage controller in upper eye hook Mark position for lateral eye hooks Disengage controller Install dowels for the lateral eye hooks Re engage controller at the top and secure poro with screw _ Fig 2 1 Dimensions of the wall mounted heat pump controller WPM 2004 p
75. n and the heat source systems Heating cycle control The outdoor temperature driven control via the return flow temperature enables the heat pump heating system to be operated in an optimally energy efficient manner In the heating mode two independent heating circuits are demand controlled i e the preset heating curve can be raised or lowered via time control programs Activation of ancillary equipment of the heat source heat generating and heat utilisation systems Water heating Priority control in case of a call for hot water and to control the supplementary heating device Supplementary heating source The control takes over the demand controlled activation and deactivation of a supplementary heating source if any Cooling cycle control The cooling cycle is controlled in conjunction with the cooling controller of a reversible heat pump or a passive cooling plant 1 1 Heat Pump Controller WPM 2004 plus Not all functions are available for every heat pump type and every equipment configuration e 6 key comfort operation e Large well laid out illuminated LC display with display of present operating status and service messages e Meets the requirements of utility compa nies UC e Dynamic menu based user guidance adapted to the configured heat pump sys tem e Interface for remote control unit with iden tical menu options e Outdoor temperature controlled heating cycle e Control of 2 heating circuits e
76. n in Fig 7 1 b 7 1 2 Temp sensor cooling contr All temperature sensors to be connected to the additional cooling controller are in accordance with the sensor diagram displayed Depending on the heat pump type the following temperature sensors are already integrated or need to be mounted in addition e Room temperature sensor room climate control station see 2 2 2 1 e Flow and return temperature sensors pas sive cooling station see 2 2 2 2 46 In the Operating data Network menu you can check whether a cooling controller has been detected by the system Whether the network connection is active is indicated under Network heat cool Remote control station No network Network Iam 123456 Fig 7 1 b Setting of DIP switches a 1 a e a S Widerstandswert k Ohm RN eg a a 1 a o T t T T T T 20 15 10 5 0 5 10 15 20 25 30 Temperatur C Fig 7 2 NTC sensor cooling controller 7 2 Cooling 7 2 1 Activation of the cooling mode The cooling functions are to be manually acti vated as the 6 operating mode no automatic switchover between heating and cooling mode takes place 7 2 2 Activation of the cooling functions With activation of the cooling mode special con trol functions are performed These cooling func tions are taken over by the additional controller separate fro
77. nd Ul Confirm by pressing the ENTER key 1 Select the desired submenu item using the arrow keys ff and L Confirm by pressing the ENTER key 1 until the cursor jumps to the preset value Modify the preset value to the desired value using the arrow keys fl and U Confirm changed value by pressing the ENTER key or discard the change by pressing the ESC key 3 Settings menu see 3 1 4 Setting of all system specific parameters e Time To set the time of day No automatic changeover from daylight saving to winter time e Mode Different settings concerning the operating modes cf 2 e Heating circuit 1 Settings for heating circuit 1 e Heating circuit 2 Settings for heating circuit 2 e Heating circuit 3 Settings for heating circuit 3 e Cooling Settings for the cooling mode e Hot water Settings for domestic water heating e Date To set the date Only required in leap years 4 Operating data menu see 3 1 5 Display of the sensor characteristics 5 History menu see 3 1 6 Display of running times and of stored data e g malfunctions 6 Heating curves see 3 1 7 The heating curve can be adjusted to individual temperature requirements by means of the warmer colder control on the main screen Use key f to raise lower the temperature The setting for heating circuit 2 3 can be performed in the Heating circuit 2 Heating circuit 3 menu Where an overlap of raising and lowering actions occurs the raising action tak
78. ng limit is complied with Coding Display of the current HP type The following codes are possible Air HP Brine to water HP Brine HP Water HP Air HP high temperature Air HP reversible Brine HP reversible Air HP hot gas Software Heating Display of the software version currently used by the heating controller including Boot and Bios versions as well as the valid network address Software Cooling Display of the software version currently used by the cooling controller including Boot and Bios versions as well as the valid network address Hetwork heatecool Indicates whether a cooling controller is available on the network Controller cooling and whether the network is operating correctly Network o k Call for heating A heating demand exists any time the return setpoint temperature minus the hysteresis return tem perature lies above the currently measured return temperature 15 3 1 6 History Menu In the History menu the runtimes of compressor s circulating pumps and other components of the heat pump heating installation can be interrogated To access the History menu proceed as follows e press the MENUE key for approx 5 seconds e select the History menu option using the arrow keys and confirm your selection by pressing the ENTER key The following values are available depending on the individual system configuration Display of runtimes and stored dat
79. ng of a horizontal heating characteristic 34 BD EC dI p 35 4 5 1 Maximum storage tank temperatures ssssssseeeeeeene enemies 35 45 2 Water heating terms reete tec partent tene eet naar rn inneren ne 35 4 5 3 Setting of hot water generation without reheating sssseeeee 35 4 5 4 Setting of hot water generation with reheating sssseeeeeeneeeen 35 4 5 5 Automatic adaptation of the max temperature in the heat pump mode 36 4 5 6 X Activation of heat pump and immersion heater 36 4 5 7 Hot water rapid heating eaaet esrin ERAK E AERES E nennen nennen nen nnne 37 5 Funcional Description 5 4 recie nIIL 38 5 1 Limit temperature Balance Point unnrnnsnnnnnnnnnannnnnnnnnannnnnnnnnannnnnnnnnannnnnnnnannennnnnnannnnnnn 38 5 2 Heating water hysteresis eironi roerne ka Ee aiia A aaa ei 38 5 3 Service interruption by energy providers nennen 38 5 4 Performance control activation of the heat generators ssssee 39 5 4 1 Bival nce settings sororia soi reda retinent a naar nase essen 39 5 4 2 Call for supplementary heat source uursnssnssssensnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 40 5 4 3 X Activation of supplementary heat source uuurssssnnnnnnessnnnnnennennnnnnnnnnnnnnnnnnnnnnnnnennn nn 40 5 5 Switching cycle lockout and time delays
80. nosis System allows direct access to the heat pump controller from a PC to evaluate and modify system data The Remote Diagnosis System RDS was de veloped to enable access to the heat pump manager via PC The software in conjunction with a PC with Internet capability and hardware packages to be bought separately enables to read out and modify preset user settings The software is programmed so that a permanent data exchange between the heat pump control ler and the PC takes place Changes are possi ble both at the controller and in the program The software starts via an Internet browser available on the PC and was optimised for the operating systems Windows 2000 XP 12 3 Room climate control station Cooling by means of surface heating cooling systems is controlled by the room temperature measured at the room climate control station The desired room temperature is set at the heat pump controller The control behaviour of the cooling system is influenced by the currently sensed room temperature and the preset set point temperature if there is a danger of con densation forming the cooling operation will be interrupted 170mm EL 114 mm 57 mm Fig 12 1 Dimensions of remote control station Two variants are available gt On site remote diagnosis e g via laptop Local Diagnosis System LDS Direct cable connection of a PC to the Heat Pump Manager WPM controller via the LDS hardware
81. o of dass not revers 22 Setting of all system specific parameters Setting Display range rer temr limit This setting is dependent upon the HP type the applicable tempera 20 Air HP ture limit is to be taken from the mounting and operating manual of the 15 C heat pump HP Fressostat This setting is dependent upon the HP type if necessary the applica normally Always 5 i2 3 R s closed ble actuating direction is to be set in accordance with Table 4 1 Aonmally open LP Pressostat This setting is dependent upon the HP type if necessary the applica normally Always Mt y closed ble actuating direction is to be set in accordance with Table 4 1 normali open Surrl heat source Settings for the suppl heat source intended as a backup system of Biv single en the heat pump heating operation for bivalent and single energy sys ergy tems HS 2 2 2 The suppl heat source is depending on the dimensioning of the Biv single en Limit value PP p 9 9 heat pump system only required from a given limit temperature e ergy onward The suppl heat source is not switched on unless the tem perature falls below the preset limit temperature FS z ti F Depending on the suppl heat source used associated control set Variable Bivalent Feratina mode tings should be made Constant f Mixer Depending on the mixer used the runtime between the final positions i Bivalent
82. o satisfy a demand for heat that may exist The lockout period is a requirement by the utility company and may last up to 20 minutes Max 3 activations per hour are permissible the last activation of a compressor was carried out less than 20 min utes ago i e lockout mode is active Line load Heat pump starts after the power up delay has expired in order mains power was HP waiting i to subsequently satisfy a call for heat that may exist The switched on power up delay is a requirement of the utility company follow a utility company ing voltage recovery or a utility company lockout and may last lockout has elapsed up to 200 seconds Util come shut off ili i ili HE waiting Heat pump starts after the utility company lockout time has a utility company expired The utility company lockout is a requirement of the utility company and lasts for up to two hours depending on the UC Activation and deactivation is effected by the utility com pany lockout period is in progress Ext disable contact HP waiting Heat pump was switched off by an external lockout signal at ID4 Prim Fume flow temr HP waiting Heat pump starts following the primary pump priming process which can last up to 3 minutes Safety function Brine water or water water HP Low Pressure limit HP waiting Heat pump was switched off on reaching the low pressure limit value The heat pump restarts automatically The suppl he
83. o the bivalent operation in conjunction with the electric heating elements or the boiler The theoretical balance point may differ from the optimal one In particular in spring and autumn cold nights warm days a low balance point may reduce energy consumption in accordance with the preferences and habits of the user It is therefore possible to set a limit temperature on the heat pump controller in the menu Settings Suppl heat source Limit value in order to enable the suppl heat source 5 2 Heating water hysteresis The hysteresis of the heating controller can be set in the menu 1 SETTINGS The hysteresis forms a neutral zone around the return setpoint temperature If the return temperature is lower than the setpoint temperature reduced by the hysteresis a call for more heat exists This heat demand continues to exist until the return temperature has exceeded the upper limit of the neutral zone This results in a hysteresis around the setpoint If the hysteresis is large the heat pump will run longer with relatively high tem Normally the limit temperature is only used in monoenergetic single energy systems with air to water heat pumps or in bivalent systems in combination with an oil or gas furnace In the single energy mode a limit temperature of 5 C is strived for The limit temperature is de termined from the outside temperature dependent building demand and the heating performance curve of the heat
84. od Initial heating Program Automated program specifically designed for screed drying o awas Initial heating Program To set the maximum return temperature that is to be attained 25 C Always Maximum temrerature HERE 40 C during initial heating u ae 50 C Hot water f Selecting this function allows any possible call for hot water or No Always Swimm Fool active 2 dE Yi pool heating to be met while the pre heating function is active es UFH funct check To activate the program for performing a functional check of the No Always underfloor heating facility Yes Standard Program i i N A Hestozscrood draina To activate the standard program for screed drying before floor ways covering is applied es Individual Program i indivi ina 1 A Heating cur period To set the duration of the individual steps of the heating up phase P ways 120 Individual rrosram To set the time period during which the temperature is to be main 1 Always Teme maint Period tained 96 l 480 Individual Program To set the duration of the individual steps of the heat reduction 1 Always Heat reduction Period 24 phase E ea 120 Individual Program To set the temperature difference between the individual steps in 1K Always Heat ur temr diff 5K the heating up phase a Individual Program Heat reduct temr Individual Program ivati indivi i i N A Hest screed druing Activation of the individual heating program for screed drying 30 4 2 4 Modem
85. ods over mul Y tiple days are always activated or deactivated upon day change over HC 2 Time Program All settings for raising the heating curve of heating circuit 2 TemrF rise HC 2 Temr rise To set the time at which the temperature rise of heating circuit 2 is Start to be started Bos Teme rise To set the time at which the temperature rise of heating circuit 2 is n to be terminated HC 2 Teme rise To set the temperature value by which the heating curve of heating 0 Rise value circuit 2 is to be raised while the temperature rise mode is active HC 2 Teme rise It is possible to select individually for each day of the week N MO an su whether a temperature rise is to become active Temperature rise Y periods over multiple days are always activated or deactivated upon day changeover Heating circuit 3 Settings for heating circuit 3 HC 3 colder warmer This setting serves to adjust the temperature to individual comfort levels for heating circuit 3 in accordance with the setting indi cated on the main screen If a higher temperature level is to be attained the slide bar needs to be moved to the right using the Up key If a lower temperature level is to be attained the slide bar needs to be moved to the left using the Down key HC 3 Time Program All settings for lowering the heating curve of heating circuit 3 Setback 3 E 3 3 Hr S Setback To set the time at which the temperature setback of heating circuit 99 00 ar
86. p to the max programmed temperature and the immersion heater operate simultaneously in a once only operation Immers Enable Time Biva Function Function heater suppl control lence heatpump Immersion heater heat suppl setting ing heating No 1 2 3 On up to HW temp in HP mode Off Yes No 1 2 On up to HW temp in HP mode Off Yes No 3 On up to HW temp in HP mode On up to HW temp in HP mode Yes Yes No 1 2 On up to HP max On until reheating temperature is reached Yes Yes No 3 On up to HP max On until reheating temperature is reached Yes Yes Yes 1 2 On up to HP max On until reheating temperature is reached Yes Yes Yes 3 On up to HP max On until reheating temperature is reached For the activation of this function the following options exist e Press the water tap key on the remote control station e Select menu item 1 Settings Hot water Rapid heating Any hot water lock out that may be active via time control or any reheating will be ignored If there is a malfunction in the heat pump the immersion heater if any is enabled until the setpoint tem perature is reached 37 5 Functional Description 5 1 Limit temperature Balance Point The outdoor temperature at which the heat pump can just satisfy the heating demand is referred to as limit temperature or balance point This point is characterised by the transition from the heat pump only operation t
87. per wire A6 across input ID7 Removal of jumper wire A6 ID7 In the case of a cooling demand an auxiliary Cooling primary pump M12 can be connected to output NO6 The output primary circulating pump M11 is only active in the heating mode 7 5 2 Circulating pump for cooling cold distribution The cooling system may be operated both via the existing heating circulating pump combined heating cooling system and via an additional cooling circulating pump In the as delivered state the existing heating circulating pump is also used in the cooling mode integration schemes 3 and 4 If an addi tional cooling pump e g in a four pipe system is used heating circulating pump must be deac placing a jumper wire A5 between X2 VDC tivated in the cooling mode This is effected by and ID8 see also 7 4 8 Technical Equipment Information Mains voltage 230 V AC 50 Hz Voltage range 195 to 253 V AC Power consumption approx 50 VA Enclosure type acc to EN 60529 IP 20 Enclosure type acc to EN 60730 Switching capacity of outputs max 2 A 2 A cos 9 0 4 at 230 V Operating temperature 0 C 35 C Storage temperature 15 C 60 C Weight 4 100g 9 Integration Examples 9 1 Heat pump system for heating purposes TC 1 4 Heat pump Fe mese 2 Heat pump controller 3 Buffer storage
88. pump Additional information for determining the heat pump per formance and the limit temperature is contained in the heat pump Project planning and Installa tion manual If Operating mode bivalent alternat was set during pre configuration the heat pump will be locked out if the outside temperature falls below the limit temperature The message Oper temp limit appears on the display perature fluctuations in the return flow With a small hysteresis the runtime is reduced and the temperature fluctuations are lower Note For surface heating systems with relatively flat characteristics a hysteresis of approx 1K should be set since the heat pump can be pre vented from switching on if the hysteresis is too large 5 3 Service interruption by energy providers A prerequisite for low tariffs for electric service provided by utility companies UC is a tempo rary interruption of service to the heat pump During a utility company interruption period voltage to the heat pump is interrupted at termi nal ID3 In systems without UC interruption function the supplied jumper wire must be placed across the relevant terminals In bivalent systems different responses to UC interruption periods are possible UC1 The supplementary heat source is enabled at setting B3 see 5 4 1 only 38 UC2 The supplementary heat source is enabled unconditionally Alternatively the outside temperature dependent CU3 interruption can be
89. quirement of the utility company and may last up to 20 minutes A maximum of 3 activations per hour are permissible Line load The heat pump starts after the power up delay has elapsed in order to satisfy a heating de HP waiting mand The power up delay is a requirement by the utility company to take place after voltage recovery or after a utility company shut off period and may last up to 200 seconds Util come shut off The heat pump starts after the utility company shut off time has elapsed The utility company HP waiting shut off is predetermined by the utility company and lasts up to two hours depending on the utility company Activation and deactivation is effected by the utility company Ext disable contact The heat pump is switched off by an external disable signal at the ID4 HF waiting Prim Pume flow temr The heat pump starts after the primary pump priming process has been completed which may HP waiting last up to 3 minutes safety function Low Pressure limit The heat pump was switched off on reaching the low pressure limit The heat pump restarts HP waiting automatically The suppl heat source HS 2 takes over the heat supply until the heat pump restarts automatically Low Pressure cutout The heat pump was switched off when the low pressure limit was reached The heat pump HP waiting restarts automatically The suppl heat source HS 2 takes over the heat supply until the heat pump restarts automatically Lower operating
90. r ture corresponds to a fixed return setpoint temperature ee aileni se ing t To set the setpoint for the silent cooling mode This temperature SODOIDt SP OON Cem corresponds to the desired temperature in the room in which room climate control station 1 is located Mas nane d To set the hot water temperature that is to be achieved without any 30 C emr mode reheating function activated 45 C HP max Hot water Water heating can be disabled by means of a time program lock out 3 x UM Hot water lockout To set the time at which the water heating lockout function is to be 00 00 Start started 23 59 Hot water lockout To set the time at which the water heating lockout function is to be 00 00 End terminated 23 n 59 Hat water dixi It is possible to select individually for each day of the week N s whether a water heating lockout function is to become active Y Lockout periods over multiple days are always activated or deacti Hot water Reheating must be enabled through a time program Fehesting time rr q 9 preg DHW reheating To set the time at which the booster heating function is to be en 00 00 Start abled 23 59 End vated upon day changeover DHU reheating To set the time at which the booster heating function is to be ter 00 00 minated 23 59 CHU reheating H It is possible to select individually for each day of the week HP max whether a reheating function is to become active R
91. ratures are frequently not reached within the specified time period For adequate screed drying results it is however imperative that the particular temperature level be maintained for a given time period Therefore the days as described in the standard are converted into program steps with one pro gram step corresponding to the combination of the number of days or hours and the associated temperature For the total initial heating program time only one value with respect to the minimum number of days can be entered The actual duration is system dependent and cannot be precisely de termined beforehand The overall duration of all heat reduction proc esses is limited to maximum of 72 hours or 120 hours in the case of the Individual program The usual standards and guidelines always de scribe the flow temperature of the heating sys tem For the control of the heat pump however the return temperature is the decisive factor Note In the menu of the heat pump controller the max return temperature must be entered It results from the max flow temperature minus the temperature difference e g 7 K The menu allows you to configure whether a demand for hot water generation or pool heating can be satisfied during this heating program If no call for hot water or pool heating is desired those demands as well as the pumps will be locked out accordingly If these demands are allowed to be satisfied then they will be p
92. re Is a pressostat for monitoring the brine pressure installed No Brine W or W W Measurement avail If the setting is No the input will not be evaluated Yes HP Brine low Pressure Is any tripping of the brine pressostat to be indicated on the display Display Brine W o W W only or are the heat pump and primary pump to be switched off Switch off HP Brine low pressure 21 4 1 2 Coding Following any restoration of the power supply HP Type Coding the controller automatically detects which heat resistance pump type is connected To this end each heat Air HP co pump is equipped with a specific resistor for coding purposes in accordance with the table on Brne Or WEISE s display for HP with wall the right mounted controller Brine HP 8 2 KQ display for HP with inte grated controller Caution An air type heat pump cannot be cor Water HP 10 0 kQ rectly recognised unless no sensor is connected display for HP with inte to input B7 Freeze protection sensor for grated controller brine W or W W HP Air HP high temperature 13 0 KQ Air HP reversible 5 6 kQ Brine HP reversible 3 8 KQ Brine HP hot gas defrost 2 8 KQ Check the coding before proceeding with the setting Before attempting to set the heat pump controller the coding of the heat pump type must be checked in the menu 2 OPERATING DATA The coding is defined upon voltage recovery In the case of a faulty coding
93. reed drying Date end Heat Screed drying 7 Extended Functional Description of Heat Pump Controller Manager for Heating Cooling 7 1 Controller design Two types of cooling systems are supported e Active cooling using a reversible heat pump e Passive cooling via a heat exchanger To be able to perform the cooling function a Cooling controller must be available in addition to the Heating heat pump controller e For active cooling the reversible heat pumps are factory supplied with a heat pump controller for heating cooling e For passive cooling it is necessary that the Cooling controller be connected to the exist ing Heating heat pump controller Fig 7 1 Dimensions of heat pump controller WPM 2004 R 7 1 1 Network operation of heating and cooling controller and remote control station The two controllers heating and cooling control lers are connected to the J11 connectors using a three core connecting cable and are operated as a network The network addresses of heating and cooling controllers are preset A major prerequisite for the correct network op eration is that the softwares of the heating and cooling controllers are compatible Heating software WPM _H_XY Cooling software WPM _K_XY The software is compatible if the letters X and Y are identical e g WPM_K_H41 compatible with WPM_H_H45 WPM_K_H41 not compatible with WPM_H_H31 A remote control station that may be connected must be set as show
94. rerature The heating curve end point is to be set in accordance with the heat Heating circuit 2 ing system design When so doing the maximum return temperature is to be entered which results from the calculated maximum flow temperature minus the temperature difference within the heating sys tem For surface and radiator heating systems various maximum tempera Heating circuit 2 tures are permissible The upper limit of the return setpoint tempera ture can be set between 40 C and 70 C The hysteresis of the mixer valve represents the neutral zone for the Heating circuit 2 operation of the mixer of heating circuit 2 If the setpoint temperature e plus hysteresis is reached the mixer closes so that less water from the flow pipe is added If the setpoint temperature minus hysteresis is fallen short of the mixer opens so that more water from the flow pipe is added Depending on the mixer valve used the runtime between the final Heating circuit 2 positions OPEN and CLOSED will vary To achieve optimum tempera ture control results the precise mixer runtime should be entered This setting may be changed for optimisation of the mixer control in 1 Heating circuit 2 different heating systems _ The Fixed setp control YES function corresponds to the setting of No Heating circuit 2 a horizontal heating characteristic curve The return setpoint tempera Yes ture remains at a fixed setpoint regardless of the outside te
95. rminal for hot water thermostat swimming pool X11 Connector control line 230VAC thermostat and utility comp UC disable functions f J6 Terminal for sensor of heating circuit 2 Abbreviations J7 Terminal for alarm message low pressure brine ra Sena 4 J8 Inputs outputs 230VAC for control of HP control Me Wd oh SEED lead connector X11 2 J9 Outlet not used as yet Components to be supplied by customer J10 Outlet for connection of remote control 6 pole J11 Terminal not used yet Caution The furnished replacement fuses may only be used in place of fuses F2 and F3 shown in the connection diagram Connection of external system components Terminal Explanation Relay assembly Explanation The connection of remote fault indicator and swimming pool pump is accomplished in the case of WPM 2004 plus by means of relay assembly RBG WPM that is available as a special accessory 52 10 3 Heat pump controller for heating and cooling 09 1f ZNI Vc 9 ZNI VC d YON ELU ZNI Vc ZH0S OWA OEZ ZION M sne Sunneuenais ASM ted TOPE 9 auadg uejo prejuoy lt HdS SAZ uop am 169jeBue BunuuedsziaN euiey ep s3 Apg ue ueDei GX pun YX EX ZX eiwos ZIP stq If c Be Ti vIGI ZX zg pf SI M 593 Z une ww l ex uds saa as ty L 4 LEN po zw as eV NI qeiszioH md vl dM sne Buniy
96. rocessed in accordance with the usual priorities the preheating program may last longer under certain circumstances During preheating the following applies the heating pumps for heating circuits 1 and 2 are operating continuously any programmed temperature lowering or raising times will be ignored a fixed hysteresis of 0 5 K regardless of the configuration in the menu applies 45 the limit temperature for the supplementary heat source is fixed at 20 C regardless of the configuration in the menu the calculated setpoint temperature applies to both heating circuits the mixer valve of heating circuit 2 is acti vated by contin OPEN Two options are available to terminate the pro gram 1 Via the menu by changing a program from Yes No On restarting the pro gram will start with step 1 2 Brief interruption the supply voltage during an ongoing preheating program On restarting the program step that was active before will be resumed In the case of a malfunction the program will stop at the particular point After eliminating and resetting the fault the respective program step will be continued The same applies to regular off periods e g service interruption by utility company The controller documents the data of the most recent completely executed initial heating pro gram HISTORY Screen 1 Date start UFH funct check Date end UFH funct check Screen2 Date start Heat Sc
97. rops below 15 C 1K 6 Special Functions then the heating and auxiliary circulating pumps are switched on as well In the case of air to water heat pumps the heat ing and auxiliary circulating pumps are activated when the heating water flow temperature is be low 6 C 6 1 Commissioning of air to water heat pumps Immediately after the activation of the Commis sioning function any defrost activity is sup pressed for one hour any ongoing defrost proc ess is immediately aborted The supplementary heat source is enabled for as long as this function is activated The heating pump operates continuously during Commissioning no optimisation possible Any possible call for hot water or swimming pool heating is ignored 6 2 Initial heating program screed drying Initial heating of the screed takes place accord ing to established schedules standard or direc tives The data and procedures described here are however adapted to suit the requirements of a heat pump controller The individual programs are activated in the menu menu item SPECIAL FUNCTIONS the maximum temperature is set here as well As a rule two program types are available for selection 6 2 1 Underfloor heating functional check according to DIN EN 1264 4 This program is considered to be a functional check for underfloor heating systems and it is performed following the normal screed drying time and after the screed heating operation de s
98. t sunlight at any time of the year 24 16 U IN I 6000 Fig 2 3 Dimensions of external wall sensor in insulation housing 2 2 2 2 Installation of return flow temperature sensor The return flow sensor needs only to be mounted if it is included in the delivery content of the heat pump but has not yet been installed The return sensor can be mounted as clip on pipe sensor or inserted into the immersion sleeve of the compact manifold e The sensor must be mounted at the com mon return of hot water heating circuit and swimming pool water e Clean heating pipe of paint corrosion and scale e Apply a thin coat of heat conducting paste to the cleaned surface e Secure sensor with hose clamp tighten firmly as loose sensors will result in malfunc tions and provide thermal insulation Compact manifold If a compact manifold is used in conjunction with the wall mounted heat pump controller the re turn flow sensor has to be inserted into the im mersion sleeve The hollow existing between sensor and immersion sleeve must be com pletely filled with heat conducting paste For more detailed information refer to the mounting instructions of the compact manifold 1 Hose clamp 2 Sensor for return flow temperature 3 Thermal insulation R cklauf R cklauf Warmwasser Heizkreis L Temperatur f hler V zur W rmepumpe Fig 2 4 Installation of return flow temperature s
99. ted to continuous voltage and is therefore to be picked off ahead of the utility company disable contactor or to be connected to the wiring system of the build ing as otherwise important protective functions would be deactivated during the utility company off times The rating of the field supplied utility company disable contactor K22 with 3 main contacts 1 3 5 2 4 6 and one auxiliary contact NO contact 13 14 depends on the heat pump capacity The normally open contact of the utility company disable contactor 13 14 is to be looped through from terminal strip X2 to clamp type terminal J5 ID3 CAUTION Extra low voltage In the case of single energy mono energetic systems suppl heat source the rating of the field supplied contactor K20 for the electric heating element E10 depends on the capacity of the heating element Control 230VAC is effected by the heat pump controller manager via terminals X1 N and J13 NO 4 The rating of the field supplied contactor K21 for the immersion heater E9 inside the hot water depends on the immersion heater capacity Control 230VAC is effected from the heat pump controller manager via termi nals X1 N and J16 NO 10 The contactors described above under items 3 4 5 are built into the power distribution panel The 5 conductor load lines 3L N PE 400V 50Hz for the heating elements are to be sized and fuse protected in accordance with DIN VDE 0100 The circulating pump for the heating sys
100. tem M13 is connected to terminals X1 N and J13 NO 5 The hot water circulating pump M18 is connected to terminals X1 N and J13 NO 6 The brine and well pump is connected to terminals X1 N and J12 NO 3 In the case of air to water heat pumps do not connect a heating system circulating pump to this output In brine to water and water to water heat pumps with a single compressor the return sensor R2 is already connected In air to water heat pumps for indoor installation the return sensor is integrated and to be connected to the heat pump manager via two individual conductors in the control wire The two individual conductors are connected to terminals X3 Ground and J2 B2 In air to water heat pumps for outdoor installation the return sensor must be fitted to the common return pipe for space heating and hot water e g immersion well in compact manifold The connection at the heat pump controller manager is also to be made at the following terminals X3 Ground and J2 B2 The external sensor R1 is to be connected to terminals X3 Ground and J2 B1 The hot water sensor R3 is built into the hot water tank and to be connected to terminals X3 Ground and J2 B3 The connection between heat pump round connector and heat pump controller manager is effected by means of polarized control wires which need to be ordered separately for heat pumps installed outdoors Where three phase pumps are used the 230V output signal of t
101. th Chapter 3 1 8 Hot water heating 4 5 5 Automatic adaptation of the max temperature in the heat pump mode If the hot water temperature HP maximum is set too high the heat supplied by the heat pump cannot be transferred The heat pump controller via the high pressure safety program switches automatically off and disables water heating for 2 hours In systems equipped with a sensor an auto matic correction of HP maximum HP maximum new current actual temperature in the hot wa ter tank minus 1 K takes place If the set HW temp in HP mode is higher than HP maximum the HW temp in HP mode will also be set to HP maximum If required the corrected value may be manually set to a higher value again If supplementary heating was enabled in the pre configuration a time control for supplemen tary heating must be programmed see Chapt 3 1 8 4 5 6 Activation of heat pump and immersion heater The activation of heat pump and immersion heater is effected depending on the settings in PRE CONFIGURATION and SETTINGS as well as the active bivalence setting in accordance with the chart below Immer Enable Time Biva Function Function sion suppl control lence heat pump immersion heater heater healing suppl setting heating No 1 2 3 On until HW temp in HP mode is Off reached Yes No E 1 2 On until HW temp in HP mode is Off reached Yes No 3 Off
102. the heat pump controller must be briefly disconnected from the power sup ply The factory configuration in the Preconfiguration menu corresponds to the connection scheme of a mono energetically operated 1 compressor heat pump as a rule air to water heat pump with a single heating circuit without water heating through the heat pump se page 49 4 2 Configuration of the heat pump heating system At the configuration level the menus Outputs Inputs Special functions and Modem can be set in addition to the extended Settings menu To access the extended menu level for the installer proceed as follows e simultaneously press approx 5 seconds the key combination MENUE and ENTER e select the Settings menu item using the arrow keys and confirm by pressing the ENTER key The complete Settings menu incorporates the following setting options Setting of all system specific parameters Setting Display range Time Menu for setting the clock No automatic changeover from daylight Always saving to winter time occurs reratins9 mode Selection of the operating mode corresponds to the mode key Sen ummer Auto Party Holiday 2 heat gen 72 Duration of holiday mode 0 Bo 5 Ho of compressors This setting is dependent upon the HP type the applicable number is to be taken from the mounting and operating manual of the heat pump Always party mode Always n of hours Herrada mode H
103. ting operation Hot water lockout Re heating 8 p m 4 00 a m 4 00 a m 6 00 a m end of low tariff period Reheating appliance Reheating appliance settings None Start 0 00 End 0 00 As a rule after each water Start 0 00 heating activity End 23 59 Enter the desired reheating tempera ture for each day of the week 3 2 Displays The current operating state of the heat pump system can be directly read off the LC display 3 2 1 Normal operating states Normal operating states and those governed by requirements of the utility company UC or safety func tions of the heat pump are displayed Only messages concerning the applicable system configuration and heat pump type will be displayed The heat pump is not operating because no call for heat exists HP off NE M 1 The heat pump is operating in the heating mode HF on heating pump P 9 9 The heat pump is operating with the cooling mode active HF on cooling pump P 9 9 Minimum restart delay The heat pump starts after a minimum restart delay has elapsed in order to satisfy a heating HP waiting demand The minimum restart delay protects the heat pump and may last up to 3 minutes The heat pump is operating in the water heating mode and is heating the hot water tank HF on hot water BEER P 9 9 9 Switch cycle lockout The heat pump starts after the restart time delay has elapsed in order to satisfy a heating de HP waiting mand The time delay is a re
104. tive HP or suppl heat source Bivalent parallel HP and suppl heat source Add heat exchanger Is an additional heat exchanger installed in the heat pump and is it Yes WP reversible used No Heating circuit 1 Does the system have at least one heating circuit Yes Always No Heating circuit 2 Does the system have a 2 heating circuit No Always It is set to a lower temperature e g surface heating by means of a Yes mixer valve Heating circuit 3 Does the system have a 3 heating circuit No Heating circuit 2 It is set to a lower temperature e g for surface heating by means of a Yes HP not reversible mixing valve System not bival Cooling function Is the cooling function of the reversible heat pump being used Yes WP reversible active No Cooling function Does the system have a passive cooling station No Brine W or W W Passive Yes HP Cooling function Fassive s a two or four pipe system used for passive cooling 2 pipe sys Brine W o W W System design 4 pipe sys HP passive cooling funct DHM generation Is the heat pump used for domestic water heating No Always Yes DHU generation Is a sensor or a thermostat used for controlling the water heating proc Sensor Hot water Demand from ess Thermostat DHU generation Is an immersion heater for water re heating installed in the system No Hot water Immersion heater Yes Swim Pool heating Is the heat pump used for swimming pool water heating No Always Yes Brine low pressu
105. to be moved to the right using the Up key If a lower temperature level is to be attained the slide bar needs to be moved to the left using the Down key All settings for lowering the heating curve of heating circuit 3 25 Heating circuit 3 Heating circuit 3 Setting of all system specific parameters Setting Display range lo E postback HC 3 Setback End HC 3 Setback Setback value HC 3 Setback MO Su HC 3 Time Program Tene rise HC 3 Teme rise Start HC 3 Teme rise HC 3 Teme rise Rise value HC 3 Teme rise MO EM Su To set the time at which the temperature setback of heating circuit 3 is 00 00 Heating circuit 3 to be started 23 59 To set the time at which the temperature setback of heating circuit 3 is 00 00 Heating circuit 3 to be terminated e 23 59 To set the temperature value by which the heating curve of heating Heating circuit 3 circuit 3 is to be lowered during a setback period It is possible to select individually for each day of the week whether a Heating circuit 3 setback is to become active Setback periods over multiple days are always activated or deactivated upon day changeover All settings for raising the heating characteristic curve of heating cir Heating circuit 3 cuit 3 To set the time at which the temperature increase of heating circuit 3 00 00 Heating circuit 3 is to be started e 23 59 To set the time at which the temperature increase of heating
106. tside temperature is below the limit temperature for more than 60 min e from B3 to B2 or B1 if the heating controller calls for less heat for more than 15 minutes or the limit temperature has been exceeded e from B2 to B1 if the heating controller calls for less heat for more than 15 minutes In bivalence setting B1 the compressor of the heat pump is cycled on and off as a function of the more or less signals received from the 5 4 1 3 Special cases e After commissioning or after a power failure the heat pump controller always starts in bi valence setting B1 e Upon a changeover from the Supplemen tary heat source to the Automatic operat ing mode the controller starts in setting B1 in the case of heat pumps with one com ture falls below the limit temperature of the suppl heat source for more than 60 minutes e from B3 to B1 if the heating controller calls for less heat for more than 15 minutes or if the limit temperature has been exceeded heating controller In setting B2 one compressor of the heat pump operates continuously to cover the base load The second compressor cycles on and off as a function of the more or less signals of the heating controller In setting B3 both compressors operate continuously in order to cover an increased base load the second heat exchanger operates in the controlled mode In the defrost mode only one compressor is operating For water heating and swimming pool heat
107. ture difference within the heating sys tem spread For surface and radiator heating systems various maximum tempera tures are permissible The upper limit of the return setpoint tempera ture can be set between 40 C and 70 C Heating circuit 3 The hysteresis of the mixing valve represents the neutral zone for the Heating circuit 3 operation of the mixer of heating circuit 3 If the setpoint temperature plus hysteresis is reached the mixer closes so that less water from the flow pipe is added If the setpoint temperature minus hysteresis is fallen short of the mixer opens so that more water from the flow pipe is added Depending on the mixing valve used the runtime between the final positions OPEN and CLOSED will vary To achieve optimum tempera ture control results the precise mixer runtime should be entered This setting can be changed for optimisation of the mixer control rate 1 Heating circuit 3 in different heating systems 1 slow 5 dynamic e The Fixed setp control YES function corresponds to the setting of No Heating circuit 3 a horizontal heating curve The setpoint temperature remains at a Yes fixed setpoint regardless of the outside temperature This setting serves to adjust the temperature to individual comfort bar Heating circuit 3 levels for heating circuit 3 in accordance with the setting indicated on the main screen If a higher temperature level is to be attained the slide bar needs
108. ucture by setting the e Step 2 Adjustment of the desired temperature level by parallel displacement of the heating curve in upward or downward direction warmer colder slide bar 32 4 4 1 Setting examples Underfloor heating Radiators 35 C 28 C 55 C 45 C Standard outside temperature C 12 14 16 14 16 Required flow temperature 5 at standard design temperature 35 35 C 35 C er Flow return temperature difference 7 C 7 C 7 C 10 C 10 C Required return temperature 28 28 C 28 C 45 C 45 C at standard design temperature Heating curve end point 5 to beset 30 C 29 C 29 C 47 C 46 C Example 1 di Example 2 A heat distribution system e g underfloor heat ing is designed for a maximum flow tempera ture at a given standard outside temperature The latter is dependent upon the heat pump site and lies in Germany between 12 and 16 C The max return temperature to be set at the heat pump controller must be entered at an out External wall temperature in C Fig 4 2 Heating curves side temperature of 20 C To this end the maximum return temperature at the given stan dard outside temperature must be entered The setting of 20 C can be read off the group of curves Heating curves 33 62 60 58 56 Ex 2 Heating curve Ex 2 Return 44 42 40 38 Return Setp temp Ex 1
109. ulic connection must be complied with refer to the Project Planning documents If no parallel operation is activated on the heat pump controller the demands are processed in accordance with the following priorities Hot water has priority over Cooling which has priority over Swimming pool In the following cases the Cooling primary pump M12 is switched off for safety reasons e The flow temperature has fallen below a value of 7 C e Tripping of the dew point monitor at sensi tive points of the cooling system The cooling circulating pump M17 is operating continuously in the Cooling mode Jumper wire A5 ID8 in place Cooling via cooling circulating pump M17 heating circulating pump of the principal circuit M13 remains off in the cooling mode Removal of jumper wire A5 ID8 The heating circulating pump of the principal circuit M13 takes over the distribution in the heating and cooling modes 7 5 Functional description of wall mounted cooling controller Cold production is effected by switching the primary pump M11 e g well pump or an auxil iary Cooling primary pump M12 on and off The 7 5 1 Cycling behaviour of primary pump Placing jumper wire A6 ID7 If there is a cooling demand primary pump M1 1 is activated i e the same primary pump is used in the heating and cooling mode e g well pump in the case of water to water heat pumps cycling behaviour of the primary pump is modi fied by placing a jum
110. ump cycles on The lower the hystere sis the more frequently the heat pump cycles on 23 Setting of all system specific parameters Setting Display range HC 1 Heating Fume rtimizatian HC 1 Fixed setrF control HC 1 fixed setrF control Return sete temr HC 1 Time rroaramm Reduction HC 1 Setback Start HC 1 Setback End HC 1 Setback Setback value HC 1 Setback Mo Su HC 1 Time Program Tene rise HC 1 Teme rise Start HC 1 Teme rise n HC 1 Teme rise Rise value HC 1 Teme rise MO M Su If optimisation YES is selected the controller cycles the heating Yes Heating circuit 1 water circulating pump on and off as required If optimisation NO is No selected the heating water circulating pump is operated in the con tinuous mode The Fixed setp control YES function corresponds to the setting of No Heating circuit 1 a horizontal heating characteristic curve The return setpoint tempera Yes ture remains at a fixed value regardless of the outside temperature Setting of the desired return setpoint temperature after fixed setpoint 15 C Heating circuit 1 control has been selected 40 Fixed setp 60 C control HC 1 All settings for lowering the heating curve of heating circuit 1 ET Heating circuit 1 To set the time at which temperature setback of heating circuit 1 is to 00 00 Heating circuit 1 be started Z 23 59 To set the time at which the temperature setback period
111. untime OPEN and CLOSED will vary To achieve optimum temperature con trol results the precise mixer runtime should be entered HS 2 Mixer The hysteresis of the mixer valve represents the neutral zone for the Bivalent Hysteresis operation of the suppl heat source If the setpoint temperature plus hysteresis is reached the mixer closes so that less water from the boiler flow pipe is added If the setpoint temperature minus hysteresis is fallen short of the mixer opens so that more water from the boiler flow pipe is added Bivalent Util come off reriod This setting reflects the behaviour of the suppl heat source during Utility comp 1 utility company off periods Utility comp 2 M A Utility comp 3 Utility comp 1 During the utility company off period the suppl heat Source in bivalent systems is only enabled at level B3 below the limit temperature of the suppl heat source In single energy systems the suppl heat source is permanently disabled Utility comp 2 The suppl heat source is enabled during the utility company off period Utility comp 3 The suppl heat source is enabled if the contact is open and the outside temperature has fallen below the Utility comp 3 UC3 limit temperature the limit temperature can be entered under the next menu item Switching behaviour of Utility comp 3 above the limit temperature is as described for Utility comp 1 and below the limit temperature as described for Utility
112. urn setpoint temperature taking into account the preset heating curve Return sete temr Heating circuit 1 Display of the currently valid return setpoint temperature for heating circuit 1 Return temrerature Heating circuit 1 Display of the current return temperature of heating circuit 1 measured at the common return pipe This temperature is the controlled variable of heating circuit 1 Flou temr Heat Fume Display of the current flow temperature of the heat pump measured at the common sup ply pipe This temperature is used to ensure that the frost protection limits are complied with Defrost end sensor Sensor for determining the defrost end in the case of hot gas defrosting Setroint temr Heating circuit 2 Display of the currently valid setpoint temperature for heating circuit 2 calculated from the preset heating curve for heating circuit 2 Minimum temrerature Heating circuit 2 Display of the currently valid minimum temperature for heating circuit 2 calculated dew point plus dew point difference Tenrerature Heating circuit 2 Display of the current temperature of heating circuit 2 This temperature is among others the controlled variable for heating circuit 2 SetrFoint temr Heating circuit 3 Display of the currently valid setpoint temperature for heating circuit 3 calculated from the preset heating curve for heating circuit 3 Temrerature Display of the current te
113. used At outside temperatures below the CU3 limit tem perature the supplementary heat source is enabled The setting of the UC interruption must be made in the menu Settings Suppl heat source Util comp off period In single energy and monovalent systems the supplementary heat source is always disabled during a UC interruption The setting of the UC interruption is dimmed 5 4 Performance control activation of the heat generators 5 4 1 Bivalence settings The heat pump controller maximally defines 3 bivalence settings B1 B2 and B3 These set tings are activated according to the prevailing heating demand With increasing heating de mand the system switches to the next higher performance setting when the heating demand decreases a switchover to the next lower per formance setting takes place B1 Heat pump is operating with one compressor B2 Heat pump is operating with two compressors B3 Heat pump is operating and suppl heat Source is activated not for monovalent systems 5 4 1 1 Heat pumps with a single compressor Criteria for changeover e from B1 to B3 if the heating controller calls for more heat for more than 60 minutes and at the same time the outside tempera 5 4 1 2 Heat pumps with two compressors e from B1 to B2 if heating controller calls for more heat for more than 25 min e from B2 to B3 if heating controller calls for more heat for more than 60 min and simul taneously the ou
114. ut not by a more heat signal from the heating controller If the demand still exists after a 60 minute pool heating period the swimming pool circulating pump will be auto 5 6 4 Auxiliary circulating pump The auxiliary circulating pump output can be configured so that the auxiliary circulating pump can be operated in parallel with the compressor of the heat pump It can be configured to oper ate after space heating water heating and swim ming pool heating The pump will also run whe 5 6 5 Primary pump for heat source Air to water HP fan Brine to water HP brine circulating pump Water to water HP well pump The well water or brine circulating pump is al ways activated when the heat pump is activated 5 7 Safety functions Caution If appropriately configured i e menu item Set tings Parallel heating DHW the hot water pump operates during the heating operation in parallel to the heating pump until the set maxi mum temperature is reached matically switched off for 7 minutes During this period the heating circulating pump will be Switched on in order to allow the return sensor which is mounted in the common return pipe to recapture the temperature representative of the heating circuit If a more signal is generated by the heating controller during this 7 minute pe riod the heating circuit will then be supplied with heat first whenever the return temperature has dropped below 15 C In the
115. ve horizontal line The selection is effected between 15 C and 60 C in the menu Settings Heating circuit 1 2 34 4 5 Water heating Domestic water heating is effected via hot water tanks with adequately sized heat exchange sur faces in order to be able to transfer the maxi mum heating capacity of the heat pump on a permanent basis To this end the storage tanks are usually fitted with a sensor which are to be connected directly to the heat pump controller The sensor charac teristic corresponds to DIN 44574 Temperature control and time controlled booster heating by means of an immersion heater is effected by the heat pump controller Control via thermostat As an alternative the control can be effected via a thermostat In this type of application no con trolled booster heating by means of a heating element is possible 4 5 1 Maximum storage tank temperatures The maximum water temperature that can be reached by means of the heat pump is depend ent upon e the heating capacity of the heat pump e the installed heat exchanger surface and 4 5 2 Water heating terms Water heating using heat pumps fitted with an additional heat exchanger The control of heat pumps fitted with an additional heat exchanger in the hot gas e g reversible heat pumps is described in Chapter 1 e the volumetric flow rate in the heat ex changer The selection of the hot water tank must be based on the max heatin
116. y sensors of room control modules N3 N4 J3 Analog inputs for temperature sensors of room control modules N3 N4 J4 Analog outputs are not used yet J5 Digital input 24VAC DC condensation pressure pressostat J9 Outlet not used yet J10 Outlet not used yet J11 Terminal for pLAN J12 Outputs 230VAC for M14 M19 H5 J13 Output 4 way reversing valve J14 Outlet is not used yet J15 Output potential free for changeover Heating Cooling of room thermostats K20 Contactor suppl heat source K21 Contactor electr immersion heater f hot water K22 Util comp disable contactor K23 SPR auxiliary relay M13 Heating circulating pump N1 Standard controller pCO2 M14 Heating circulating pump heating circuit 1 N2 Cooling controller pCO1 M15 Heating circulating pump heating circuit 2 N3 N4 Room climate control stations M16 Auxiliary circulating pump N5 Dew point monitor M18 Hot water circulating pump N9 Room thermostat switch over M19 Swimming pool circulating pump N10 Remote control station R1 External wall sensor T1 Safety transf 230 24 VAC 50VA R2 Return sensor R3 Hot water sensor X1 Terminal strip mains connect N and PE distr R5 Return sensor heating circuit 2 X2 Terminal 24VAC R7 Coding resistor HP X3 Terminal Ground R8 Frost protection sensor cooling X4 Connector control line extra low voltage R9 Frost protection sensor heating X5 Terminal OV VAC R10 Humidity sensors of N5 Abbreviations MA Mixer OPEN

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