ROBUA QAC34/101 Installation Manual Download

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Installation manual

System controller

for modulating gas-absorption condensing heat pump +

renewable aerothermal energy K18

Summary of Contents for QAC34/101

Page 1: ...Installation manual System controller for modulating gas absorption condensing heat pump renewable aerothermal energy K18...

Page 2: ...ained within this publication are not affected With the aim of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of this Installation ma...

Page 3: ...2 Temperature probes connection p 21 3 3 Water circulation pump connection p 22 3 4 Mixer diverter valve connection p 23 3 5 External requests connection p 25 3 6 K18 unit connection to CSK18 enclosu...

Page 4: ...oiler equipment e g boiler for the produc tion of heat for space heating and or DHW able to inte grate or replace the heat pump of the K18 unit It is always found in the K18 Hybrigas type of unit and...

Page 5: ...ins the Siemens RVS21 826 electronic board the relays and electrical terminal blocks 1 QAA74 611 advanced room unit 1 Siemens QAC34 outdoor temperature probe Optional additional room units are availab...

Page 6: ...1 2 p 7 1 4 p 8 e 1 5 p 8 water circulation must be guaranteed to handle the K18 unit s antifreeze cycle In the diagrams given in Figure 1 2 p 7 and 1 5 p 8 this requires that a outlet inlet bypass is...

Page 7: ...8 HC1 E G F Q2 HC2 G Q6 GHP A D K18 CONTROL CABLE AUX BOILER 230V W PUMP 0 10V W PUMP Figure 1 3 System with K18 Simplygas unit primary and secondary water circuits up to two heating circuits one of w...

Page 8: ...Room unit 1 QAA74 611 P A ST B9 B3 Q3 F ST CSK18 HC1 GHP K18 CONTROL CABLE Figure 1 5 System with K18 Hybrigas unit primary water circuit only and two zones DHW production optional A K18 Hybrigas uni...

Page 9: ...le cable glands not included to maintain the indicated protection rating if necessary Before installing the unit check that the equip ment is not connected to its power supply The cabling must satisfy...

Page 10: ...ER ENCLOSURE 2 1 1 Mounting and installation Figure 2 1 External overall dimensions for CSK18 enclosure A Input of connections to the mains B Input of safety extra low voltage SELV connections C Do no...

Page 11: ...uded extractable connec tors which fit directly onto the board Table 2 1 p 12 lists the Line Voltage supply and signal connections on the extractable connectors at the left edge of the Siemens RVS21 8...

Page 12: ...N Not used 1 Not normally used It may be used In place of Q3 see Table 2 2 p 12 if the DHW diverter valve is set to DHW when the phase is NOT present at the output In addition to Q3 if the valve has...

Page 13: ...H1 H3 2 Input H3 is open to keep heating circuit 2 inactive If this heating circuit is present fit a jumper between terminals H3 and H1 H3 or insert an external request signal between them voltage fre...

Page 14: ...Mounting and installation Figure 2 3 Description of installation procedure for QAC34 external sensor H H 2 1 N N W 3 min2 5 m 1 2 4 Figure 2 4 QAC34 external room sensor dimensions 49 7 91 6 79 8 3 8...

Page 15: ...rature as accurately as possible it should therefore be out of the way of draughts sunlight and other sources of heat If wall mounted leave enough space above the unit for it to be installed and remov...

Page 16: ...Figure 2 7 Description of mounting holes for room unit QAA55 110 96 96 91 47 1 2 4 2 56 60 56 60 2 3 4 Electrical hookup Figure 2 8 Room unit QAA55 110 connections 1 3 4 5 6 2 Table 2 6 Room unit QAA5...

Page 17: ...s accurately as possible it should therefore be out of the way of draughts sunlight and other sources of heat If wall mounted leave enough space above the unit for it to be installed and removed when...

Page 18: ...8 86 48 96 2 4 4 Electrical hookup Figure 2 12 Room unit QAA74 611 connections Table 2 7 Room unit QAA74 611 connections Terminal Name Description 3 BSB Data bus BSB 2 M Data bus BSB 1 G Power 12 V D...

Page 19: ...raph 3 7 p 27 4 GHP temperature sensor connection see Paragraph 3 7 p 27 5 Connection of 0 10 V signal on the optional external water pump only for K18 Simplygas C0 models see manual of specific K18 u...

Page 20: ...Room unit 1 QAA74 611 C Ambient unit 2 QAA55 110 optional code ODSP004 NOTE Use shielded signal cable 3x0 75 mm2 2x0 75 mm2 for QAA55 110 Maximum total length 400 m Maximum length between controller...

Page 21: ...ight edge of RVS21 826 board B1 NTC 10k Beta 3977 temperature sensor B3 NTC 10k Beta 3977 temperature sensor B9 NTC 1k temperatrue sensor included Use of temperature sensors B9 always B1 only if heati...

Page 22: ...2 Heating circuit 1 pump KC1 Relay not supplied X15 1 QX4 QX4 N QX5 ZX6 N N A M Q2 X15 1 QX4 QX4 N QX5 ZX6 N N A M Q2 N L KC1 3 3 2 Heating circuit 2 pump connection diagram if any Figure 3 4 Direct o...

Page 23: ...iverter valve CASE 1 Valve with power always present position controlled by signal 230VAC phase no phase heating phase DHW L L CTRL N N LINE IN DHW Q3 N F E B C D Q3 A Figure 3 6 Q3 diverter valve con...

Page 24: ...l Q3 Diverter valve CASE 3 Valve with two signals 230VAC phase alternatively active for DHW and heating L L CTRL N N LINE IN DHW Q3 N F E B C D Q3 A X15 1 QX4 QX4 N QX5 ZX6 N N G 3 4 2 Y1 Y2 mixer val...

Page 25: ...of optional external request signals thermostats thermostat timers timers to RVS21 826 A Grey connector X86 bottom edge of RVS21 826 board B NO voltage free contact must be SELV C1 Thermostat with ti...

Page 26: ...ailable as OCVO009 optional Maximum length 50 m NOTE Connect the shield to the ground terminals at both ends Using DIN 47100 conforming cable colour coded simplifies the hookup see Table 3 2 p 26 AL A...

Page 27: ...ce managed by the K18 unit is present Use shielded cable 2x0 5 mm2 up to 40 m 2x0 75 mm2 up to 60 m 2x1 0 mm2 up to 80 m 2x1 5 mm2 up to 120 m Connect the shield to a ground terminal on the K18 unit s...

Page 28: ...ew seconds the device will automatically move to the start page Sometimes also i e immediately after powering up the system the display may show the message Operator unit being refreshed together with...

Page 29: ...which contains the parameters of a specific menu Time of day and date Operator unit Configuration etc In the following part of the Installation manual when you are asked to check or change the value...

Page 30: ...VO and in the case of the K18 Simplygas model there is also the auxiliary boiler select pa rameter 209 and set it to 1 5 Only if the unit is a K18 Simplygas model and the auxil iary boiler is present...

Page 31: ...thermostat or a chronothermostat Display the page containing parameter 7844 Input signal H1 and by activating the external request check the correct switching between the Open state to Closed state an...

Page 32: ...es to all units type K18 Hybrigas as well as to those type K18 Simplygas if an auxiliary boiler is present 1 On the K18 unit s user interface proceed as follows with reference to its Installation user...

Page 33: ...select parameter 1000 Operating mode and set it to Protection 4 If DHW service is present access next the Domestic hot water menu select parameter 1600 Operating mode and set it to Off 5 Follow the in...

Page 34: ...access the complete parameter list then access Heating circuit 2 menu then scroll through the pages to view the parameters shown in Table 5 2 p 34 and eventually ac cess the pages to be able to select...

Page 35: ...nstaller and the flooring vendor for advice especially for parquet floors Moreover for floor heating systems it is recommended that the heating be supplied by a mixed heating circuit Furthermore excep...

Page 36: ...s suited to many installations To modify the degree of influence or dis able the function for heating circuit 1 proceed as described in Paragraph 5 1 1 p 33 to edit parameter 750 Room influence for he...

Page 37: ...e parameter list then access Operator unit menu 2 Display and access the page containing parameter 40 Used as select it and set it to Operator unit 1 3 Access Configuration menu 4 Display and access t...

Page 38: ...at night and or days of the week the parameter can be set to the following values 24h day production at the nominal setpoint 24 hours a day 7 days a week All time programs HC CC production at the nom...

Page 39: ...K18 unit 6 ERRORS 6 1 LIST OF ERRORS AND TROUBLESHOOTING INSTRUCTIONS Table 6 1 p 39 lists the error codes their descrip tions and priorities which may be generated by the System controller for K18 wh...

Page 40: ...icated in step 1 Run sensor memorization again as indicated in step 1 5 If step 4 does not resolve the problem Power cycle the System controller if the problem persists contact the Robur technical sup...

Page 41: ...select the parameter and set it to this value Error code 331 5931 Sensor input BX2 re move the optional sensor connected to input BX2 not used in the standard configurations Error code 332 5932 Senso...

Page 42: ...s the complete parameter list proceeding as described in Paragraph 4 1 1 p 28 then access the Configuration menu display and access the page containing parameter 6205 Reset to default param eters sele...

Page 43: ...age SELV for voltage free contacts DC 12 V DC 3 mA Analogue inputs H1 H3 Functional range Internal resistance Safety Extra Low Voltage SELV DC 0 10 V 100 k Pulse count inputs H1 H3 Open contact voltag...

Page 44: ...puts with short circuit protection 11 3 13 2 V max 88 mA Power GX1 configurable Output voltage 5 V Output voltage 12 V Current Safety Extra Low Voltage SELV outputs with short circuit protection 4 75...

Page 45: ...data Power supply Bus powered BSB Cabling Power supply and bus solid wire or stranded wire twisted or ferrule 0 25 1 5 mm Room temperature meas urement Measurement range Per EN12098 Range 15 25 C Rang...

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Page 48: ...8111 F 39 035 884165 www robur it robur robur it 29 10 2021 21MCLSDC039 Code D LBR849 Revision B Robur is dedicated to dynamic progression in research development and promotion of safe environmentally...

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