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57

SPEcIAl FUnctIonS

nEtwoRkIng MUltIPlE contRollERS

12.0

12.1

In larger buildings with more than 14 zones where multiple manifolds are utilised, it is possible to use multiple masters to create a 
single network. One master must be defined as the “network controlling master” by setting both dials to zero (see table below). 

CP

BPV

CP
BPV
IV
MP
ZV

Circulating Pump
By Pass Valve
Isolating Valve
Main Pump
Zone Valve
Network Master
Submaster
Slave

MP

BA

1,1

BA

0,0

String 1

CP

BA

2,1

String 2

Up to 15 Strings

Up to 9 Masters

Up to 9 Masters

IV

IV

IV

IV

 Add On Module

BA

1,2

BA

1,3

BA

2,2

BA

2,3

Master 1

Master 2

Hot Water Centrally 
Mixed by Third Party 

Add On Module

Signal to Switch the Boiler 

Network Master can control up to 14 heated zones  

ZV

ZV

50. Hydraulic Schematic for Networking of Multiple Controllers

Left Dial

Right Dial

Using more than one secondary pump

1. If more than one secondary pump is used, a separate string should 
be created for each pump (see Fig. 50). On the first string all left hand 
dials in the slaves must be set to 1, and the right hand dial should 
be set in sequence from 1 to 9. On the second string of masters/
slaves all left hand dials should be set to 2 and the right hand dials 
again should be set in sequence from 1 to 9. This numbering can be 
continued for up to 15 strings. 
2. All main controllers are interconnected using special cable via the 
RJ 45 socket 1 or 2. 
3. RJ 45 connection of string 1 to string 2 etc., can be achieved 
via string 1 slave to string 2 submaster or string 1 slave to string 2 
slave as shown in Fig.50.
4. An BA Master Controller can be used as the “network 
controlling master” for central mixing control of supply water and 
boiler switching. 

Master and Slave

Left dial set to

Right dial set to

Network Controlling Master

0

0

String 1 Submaster

1

1

String 1 Slave

1

2 to 9

String 2 Submaster

2

1

String 2 Slave

2

2 to 9

Up to String 15 Submaster

1 to F

1

Содержание Ba

Страница 1: ...rehaU intelligent Ba heating cooling controlS technical inStallation manUal Building Solutions Automotive Industry www rehau co uk...

Страница 2: ...Switched On 12 2 2 4 Thermostatic Mixing Valve TMV 12 2 2 5 Working Principle 12 2 2 6 Installation 13 2 2 7 Required Components for Zone Control 15 2 2 8 Wiring 16 2 3 Temperature Safety Options 19...

Страница 3: ...Thermal Actuators TH 1 TH 8 35 5 2 6 External Switch Timer 35 5 3 Room Sensors Internal Connections 36 5 3 1 Connect the Wiring 36 5 3 1a Connect the Remote Air Sensor 36 5 3 2 Floor Sensor Option TD...

Страница 4: ...mperature Controller 56 12 0 Special Functions 57 12 1 Network Multiple Controllers 57 12 2 Dip Switches 58 12 3 Holiday Override Function 59 12 4 Checking Control System Operation 60 13 0 Troubleshoo...

Страница 5: ...aight after the branch off All REHAU control systems must be installed By a competent person In accordance with the latest issue of instructions supplied with each component According to the current I...

Страница 6: ...past This protects the airways not just those of allergy sufferers Visually attractive rooms without radiators The REHAU underfloor heating cooling systems Allow the user to be free with their interio...

Страница 7: ...n often result in uncomfortable air conditions for the user also referred to as sick building syndrome Economic disadvantages of traditional air conditioning units High investment costs High annual ru...

Страница 8: ...set point is achieved the mixing valve closes to the boiler to stop excess temperature rise Commonly there are two main systems in use Fixed Flow Temperature FFT system Variable Flow Temperature VFT s...

Страница 9: ...night set back periods on the timer In cooling mode The cooling output in each room is controlled by a room sensor RS which continuously compares the required room temperature with the actual room tem...

Страница 10: ...ch any live component with wet hands Designated Application All equipment explained in the following sections is intended for mixing flow and return water to a suitable mixed water temperature for use...

Страница 11: ...urther main system flow is allowed into the return header until the measured temperature falls below the design flow temperature The unit also features a high temperature limit stat HLS which is expla...

Страница 12: ...mpact mixer is screwed onto the manifold flow return headers Care should be taken that all connections are securely tightened Balancing valve BV and thermostatic inlet valve TIV are screwed onto the o...

Страница 13: ...uitable for all applications below 30Kw Above this weather compensation is recommended Use the correct size of mixing valve according to required heat output 15kW 20kW or 30kW The circulating pump onl...

Страница 14: ...circulating pump CP via the isolating valve IV Fit the circulating pump CP using isolation valves on both ports of the pump making sure the pump inlet is connected to the mixed outlet of the TMV and...

Страница 15: ...r supply max 85 C Temperature stability 9 nominal 2 C Flow 3 bar approximately 65 l min Body Cast gunmetal nickel plated Internal brass components DZR brass Fittings 22mm compression DZR brass For up...

Страница 16: ...M Comfort sensor 225107 002 REHAU HS Humidity sensor 229435 001 No Actuators 241293 002 Minimum 1x per controlled circuit Maximum 12x per manifold controller Switch fused spur Not supplied 1x Net Exte...

Страница 17: ...Temperature Sensor 2 2 8 Wiring SUPPLY 230VAC BOILER B1 B2 X Relay SEC PUMP VOLT FREE 230VAC L L L N N N L N BA Controller Main Control THERMAL ACTUATORS 1 2 3 4 5 6 L N L L L L L N N N N N 1 2 3 4 5...

Страница 18: ...ove wiring diagram is for guidance only and should not be used as a definitive wiring diagram BA Controller Main Control THERMAL ACTUATORS 1 2 3 4 5 6 L N L L L L L N N N N N 1 2 3 4 5 6 L N L L L L L...

Страница 19: ...B A 9 8 7 6 5 4 3 2 1 0 F E D 7 6 5 4 3 2 1 0 9 8 DIP SWITCH SUPPLY 230VAC BOILER B1 B2 X RELAY UFH PUMP 230VAC L L N N C1 C2 Link L N 230V Boiler output signal BOILER B1 B2 Potential free boiler outp...

Страница 20: ...e sec pump connection inside the control centre As shown in Fig 13 Note Please refer to page 16 for wiring diagram Data Strap on Dimensions 92mm x 48mm x 77mm H x W x D Setting range 25 C to 95 C Swit...

Страница 21: ...nsor the valve provides additional safety in case the water supply temperature exceeds a pre set limit If the high limit sensor cuts the power to the zone valve motor the in built spring closes the va...

Страница 22: ...ig 17 If fitted in a confined space sufficient ventilation must be available to keep the valve within its ambient temperature range Also access must be provided to remove the powerhead if necessary 2...

Страница 23: ...This room sensor is the ideal solution for public areas where unauthorised adjustments are to be prevented REHAU TA Standard Sensor 225106 001 5V This room sensor offers local temperature adjustment...

Страница 24: ...mize his room temperature according to his requirements This wireless room controller provides two stage control of a designated area or room which may be part of an underfloor heating system These un...

Страница 25: ...except another control sensor Not used if cooling is to be utilised REHAU RF TP Tamper Resistant Sensor 202253 001 5V This wireless room sensor is the ideal solution for public areas where unauthoris...

Страница 26: ...section 11 2 see page 55 REHAU RF CT2 2 Two Stage Controller 202229 001 5V This wireless 24 7 clock combined with the 4 event timer enables the user to customize his room temperature according to his...

Страница 27: ...sible wIRElESS SEnSoRS contRollERS woRkIng PRIncIPlE 3 0 3 2 Proportional Integral Control Sensor The REHAU controller utilises PI Control this is designed to cover a broad range of specifications The...

Страница 28: ...same time setting in all zones Maximum 14x different time setting in all zones REHAU RF TP 202253 001 Up to 8 zones maximum of 7x Up to 14 zones maximum of 13x REHAU RF TA 202251 001 REHAU RF TD 2022...

Страница 29: ...the building back to the REHAU BA controller position First fix work should be carried out whilst the building is under construction and before the plasterwork has started Main heating system switch...

Страница 30: ...r Controller can be located within REHAU manifold cabinets Control System First Fix Positioning the BA Master controller Room Sensors and Remote Air floor Sensors 4 0 4 2 20 Positioning of room sensor...

Страница 31: ...t Removing the 6 screws on the face of the unit will allow access to the three fixing holes provided Fix the controller to the building structure using suitable fixing screws do not damage the unit ho...

Страница 32: ...controller and earth wire to the terminal marked E in the controller As shown in Fig 23 22 Main wiring connection terminals MAINS SUPPLY FROM 3 AMP FUSED ISOLATOR Control System Second Fix Electrical...

Страница 33: ...6 7 8 ON OFF 1 2 3 4 5 6 7 8 ON OFF 1 2 3 4 5 6 7 8 X RELAY X RELAY X RELAY Where a boiler primary pump is required to be switched on from the master the X relay output can be used for this purpose T...

Страница 34: ...le If the distance between the master and the Add On Module exceeds 0 5m then net extension kit is required Art No 202239 and use a 4 core cable 0 25mm2 230V output from X relay The X relay output is...

Страница 35: ...ct to and I to I The maximum system cable length using a daisy chain layout is 300 mtr with a maximum cable length between sensors of 100 mtr The maximum distance a sensor can be from the REHAU BA Mas...

Страница 36: ...Actuators controlled by zone 1 must be connected to output terminal 1 TH 1 etc Connect one wire from the actuator to right hand terminal on the respective zone output terminal block TH 1 TH 6 then con...

Страница 37: ...1 for Connecting Sensors Care must be taken not to damage the circuitry or the components on the printed circuit board at this point Care should also be taken not to deform the sensor back plate when...

Страница 38: ...e of the floor surface can create greater comfort levels for the end user keeping the floor at a minimum temperature 5 3 3 Connecting the Floor Sensor Sensors requiring floor sensors wire up as shown...

Страница 39: ...Check 2 All wireless Room sensors controllers now have to be initialized to ensure controllers sensors are communicating with the main controller a Room Sensors RF TA RF TD RF TM RF TP are initialize...

Страница 40: ...included cable Max distance between the master add on module and receiver is 3m Up to 5 receivers can be connected either in a daisy chain or in parallel Positioning Do not place the receiver inside a...

Страница 41: ...ng Cooling Change Over Decision If a BMS system in being used for the heating cooling decision the volt free BMS signal should be connected to the REHAU WLAC switch but the slider switch on the right...

Страница 42: ...RS 24V L N L L L L L N N N N N OUT PUT 1 L N L L L L L N N N N N THERMAL ACTUATORS 24V L L N N L L N N Out put 2 Out put 3 Out put 4 Out put 5 Out put 6 Out put 7 Out put 8 OUT PUT 1 Out put 2 Out put...

Страница 43: ...ol designation see section 8 0 and a HARD RESET must be carried out to the REHAU BA controller to enable all sensors to be recognised A sensor set to CH 1 will activate the thermal actuators connected...

Страница 44: ...temperature 21 C Night temperature 18 C Off Temperature Frost protection 5 C Floor Limit temperature high 27 C Floor Limit temperature low 17 C BA Master Controller controls only temperature settings...

Страница 45: ...ments Balance the flow rate through the circuit valves on the manifold Confirm with the installer that the boiler commissioning has been carried out as instructed in the boiler manufacturer s installa...

Страница 46: ...controllers A B C Display Adjustment down OK accept G H I Automatic mode Manual mode Time and Temperature D E R F Adjustment up Reset to factory setting Pin button adjust of clock J K Day Number 4 eve...

Страница 47: ...then has to be set Number 1 on the top left of the screen will flash select the correct day by using the up and down arrows 1 is Monday 2 is Tuesday 6 is Saturday 7 is Sunday Press to confirm 1 2 3 4...

Страница 48: ...Sequence 4 5 2 High limit temperature 29 C CT2 Programmable Room Sensor only Low limit temperature 17 C CT2 Programmable Room Sensor only Scale 24hr C 2 I I 23 44 Event clock mode 4 event clock mode a...

Страница 49: ...you will have to start again 2 2a The time the second event starts OUT Adjust if required as above If not press twice to continue 2 2b This is the temperature of second event OUT Adjust if required a...

Страница 50: ...e 6 7 6 7 6 7 1 2 3 4 5 3 temporary override to change current temperature temporarily Press the UP button once the temperature then flashes Adjust to desired temperature with UP and DOWN buttons The...

Страница 51: ...ed by 4 1a 4 events on 5 days 2 events on 2 days default 1 2 3 4 5 4 1b 4 events on 6 days 2 events on 1 day 4 1c 4 events for 7 days 4 1d 2 events for 7 days 4 1e 2 events for 5 days 1 event for 2 da...

Страница 52: ...ss DOWN again to show floor temperature if floor sensor fitted Press to return to main screen N B No values can be changed in InFo 7 changing the Scale from c to F and 12 24hr Hold UP and DOWN buttons...

Страница 53: ...ck and temperature in celsius 7 4 12 hour clock and temperature in fahrenheit 8 Turning on Adaptive function ensures that the room will reach the correct temperature at the desired time Hold UP and DO...

Страница 54: ...s to confirm 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 LEAP 2 0C EINE I 00 9 To change advanced settings on the two stage controller Advanced settings on two stage controller Using these...

Страница 55: ...Limit Thermostat Air Vent Temperature semsor Flow Circulating Pump By pass Valve Safety Valve Pressure Vessel Cylinder Sensor Room Sensor Thermostatic Mixing Valve THERMAL ACTUATORS 24V L N L L L L L...

Страница 56: ...TS CP BPV SV PV CS RS TMV LSV TRV Radiator Controller Safety Valve Zone Valve Air Vent Temperature Sensor Flow Circulating Pump By pass Valve Safety Valve Pressure Vessel Cylinder Sensor Room Sensor T...

Страница 57: ...dard CT2 Programmable Room Sensor In addition it also includes programming for second stage An optimum start facility adaptive function can also be enabled when the unit will calculate the ON time to...

Страница 58: ...secondary pump 1 If more than one secondary pump is used a separate string should be created for each pump see Fig 50 On the first string all left hand dials in the slaves must be set to 1 and the rig...

Страница 59: ...nt boiler water entering the underfloor system When the system is off or when the supply water exceeds 65 C An additional flow water temperature sensor ETF 1899A and a zone valve are connected Fig 14...

Страница 60: ...0 can be used for REHAU CT2 clock sensors controlling a group of slave sensors but do not control actuators The position of these sensors should be somewhere central or convenient within the building...

Страница 61: ...de will only be active for 2hrs after this it returns to normal control if left on Note 2 If the Room Sensor is of a wireless type a delay of up to 5 minutes may occur before the channel light becomes...

Страница 62: ...to the correct channel number two Room Sensors could be crossed over The actuator on the manifold has not opened after 3 minutes Check the red channel light is illuminated The actuator for the room is...

Страница 63: ...xternal wall or near an extraneous heat source If the room is controlled by a CT2 Programmable Room Sensor check that the time and temperatures are set correctly If the Room Sensor has got an override...

Страница 64: ...s corrected by changing the temperature sensor If the sensor has been removed deliberately to change the operation of the system follow the HARD RESET instruction below 4 Flashes The Outdoor Compensat...

Страница 65: ...lashes Defective REHAU CT2 Programmable Room Sensors Controllers If a CT2 Programmable Room Controller operating a group of Room Sensors becomes defective the remaining Room Sensors will continue cont...

Страница 66: ...l LED s 1 3 5 and 7 alternating with channel LED s 2 4 6 and 8 while the button is pressed a This reset will put all programmed temperature settings back to the factory defaults b It will also remove...

Страница 67: ...e as before however without contribution from the defective unit If no valid room sensor controller is found the system will run at constantly 20 ON The emergency program is only valid for channels wi...

Страница 68: ...ATORS 7 8 L L N N 7 8 L L N N ACTUATORS ON OFF 1 2 3 4 5 6 7 8 C B A 9 8 7 6 5 4 3 2 1 0 F E D 7 6 5 4 3 2 1 0 9 8 INSTALL MODE BOILER TEST SENSOR CHECK X RELAY DEHUMIDIFIER STRING NUMBER 1 F UNIT NUM...

Страница 69: ...our specification and in accordance with our general terms and conditions of delivery and payment This document is protected by copyright All rights based on this are reserved No part of this publicat...

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