7 - Electrika
Contents
1. REV22 L El L2 REV23 L L1 2 ACL Drayton Digistat 3 Danfoss Randall EZS Horstmann Centaurstat 7 7 day programmable Thermostat Type Model COM DEM SAT L N E RDE10 OTi Q14 Q12 IL N RDE10 1 Q11 Q14 012 gt 5 REV23 IL L1 2 REV23RF LX Ibi L2 IL N REV200 Touch Screen L ii 2 REV24 Digistat RF3 TP700 TP7000RF Tn CY CM67RF If the manufacturer or model of the programmable thermostat you are replacing is not listed above please contact the Siemens helpline on 0870 850 0184 33 Motorised Valves 3 Port Mid Position 22mm and 28mm Siemens L amp S MA V322 orange orange Honey elas grey HOTWATEROFF grey Danfoss DMV3M white or brown white Drayton Flowshare blue NEUTRAL blue Tower MP3 greenlyellow greenlyellow ACL 679H340 Flowminder CMV322 CMV328 orange orange Landis amp grey HOTWATEROFF grey Sunvic SD1701 brown white Potterton PMV3 blue NEUTRAL blue Randall HSA3 green yellow 2 Port Zone 22mm and 28mm grey grey Honeywell V4043H orange SWITCHED LIVE orange Danfoss DMV2C ACL 6799H308 blue NEUTRAL blue Landis amp Gyr ZA V222 greenlyellow greenlyellow Zoneminder CZV222 CZV228 grey grey Landis amp Gyr SK2 Sunvic SZ1326 orange SWITCHED LIVE orange Potterton PVM2 brown MoToROPEN brown Randall H2. 1 2 L E RIS 3 3 RTC RTE RTS4 6 1 BRT 1 4 N N ENS o RMT230 1 T6360B 1 T6160B 1 HRT2 1 RAAO2 1 RAD1 1 RAD2 1 RAD5R6521 6 MRT1 1 TRT 1 PRT1 PRT100 L RD3 1 uo NEM MEN uo Bee N ho Be O EUM N BP UJ m TLM2206 TLM 2253 1 TLX2259 TLX2284 TLX2357 TLX2322 TLX2356 TA350 351 1 SRT2 1 E gt A fF Z NA Z UJ rm rm rm rm If the manufacturer or model of the room thermostat you are replacing is not listed above please contact the Siemens helpline on 0870 850 0184 Cylinder Thermostats siemens n 1 2 HTS3 C CT1 RED BLK YEL BCT 1 2 3 E CN4 ATC 1 2 3 51 1 2 3 E PTS1 1 2 4 E L641A 1 2 HCT1 1 2 3 RAM1 1 2 3 E RAM2 RED BLK GREY PTT100 L H C E SA1452 2451 3 1 2 1 2 SCT1 1 2 3 E If the manufacturer or model of the cylinder thermostat you are replacing is not listed above please contact the Siemens helpline on 0870 850 0184 32 Daily programmable Thermostat Type Model COM DEM SAT L N REV13 REV12 L L1 REV11 L L1 REV10 Q1 Q2 REV100 Touch Screen Digistat 2 4 Danfoss Rendall SS SD Honeywell SS Horstmann Centaurstat S ay E E TNR 5 2 day programmable Thermostat Type Model COM DEM SAT L N E REV17 REV21 Q1 Q2 Q3
3. Live on junction box terminal 9 Live when referred to above means 240V AC 45 Timeswitches for combi boilers RWB30E RWB1007 Maxflow WM XTRAFAST 120 ACE ACE HIGH FINEST PLATINUM RESPONSE 80 100 120 Clasic Range remove Link Ferroli Optimax 255 25C 240V Worcester 24 24i Junior If boiler you are using is not shown above please refer to the manufacturers instructions Programmable thermostats for combi boilers Siemens Maxflow WM Glow worm XTRAFAST 120 ACE ACE HIGH FINEST PLATINUM RESPONSE 80 100 120 Saunier Duval Clasic Range remove Link Ferroli Optimax 255 25C 240V Worcester 24 24i Junior If boiler you are using is not shown above please refer to the manufacturers instructions 47 Thermostats terminal numbering Type Model RAAO2 16N Neon RAA20 Digital Display RDD10 Mains operated RAV11 Battery operated REV22 REV23RF REV200 Touch Screen RDE10 1 Battery operated Daily Programmable REV13 RDJ10RF 5 2 Programmable REV24 48
4. against relevant wiring diagram disconnect mains supply remove wire from terminal Y1 and make safe reconnect supply Check mains supply to terminal L Suspect RAA20 a If terminal Y1 is not live when calling for heat turn thermostat to maximum b If terminal Y2 is not live when satisfied turn thermostat to minimum 38 CMV3 Mid Position Valve Suspect valve if in any of the following checks the valve does not operate as described Switch programmer to ON position Check A Heating Only Disconnect mains supply Disconnect Grey and White wires from JB terminals 6 amp 9 Connect Grey and White wires to JB terminal 2 Reconnect mains supply valve should open to port A The boiler and pump will fire and the pipe from port A will get progressively warmer Check B Hot Water Only Disconnect mains supply Valve will return to open port B and close port A Disconnect White wire and make safe ie use spare JB terminal 7 Connect boiler and pump wire from JB terminal 5 to JB terminal 2 Switch on mains supply The boiler and pump will fire and the pipe from port B will get progressively warmer Check C Heating and Hot Water Disconnect mains supply Remove Grey wire from JB terminal 2 and make safe Connect White wire to JB terminal 2 Switch on mains supply The valve will motor to the mid position and stop Both ports A amp B are open The boiler and pump will fire and the pipes from ports A amp B will get progr
5. E or ALL DAY c If live does not appear at JB terminal 10 when CH only is selected ON ONCE or ALL DAY To carry out the following checks set programmer HW and CH to 24h ON or CONTINUOUS RAM1 Cylinder Thermostat Check wiring against relevant wiring diagram disconnect mains supply remove wire from terminal 2 Re connect supply Check mains supply is live to terminal 1 Suspect RAM1 a If terminal 2 is not live when calling for heat turn thermostat to maximum b If terminal 3 is not live when satisfied turn thermostat to minimum RAA20 Room Thermostat Check wiring against relevant wiring diagram Disconnect mains supply remove wire from terminal Y1 Reconnect supply Check mains supply is live to terminal L Suspect RAA20 a If terminal Y1 is not live when calling for heat turn thermostat to maximum b If terminal Y2 is not live when satisfied turn thermostat to minimum CZV2 Zone Valve This fault finding applies to either Heating or Hot Water Zone valves Check that there are no faults on either of the thermostats Suspect the valve is faulty only 1 If the motor fails to run when the relevant thermostat is turned to maximum The motor is held in this position until the thermostat is satisfied Turn the thermostat to minimum and the valve will close under spring return 2 If the Orange wire does not become live when the actuator is fully opened the Grey wire should be connected to a permanent liv
6. Earth 3 E 3 Earth Orange Gr Grey Pump Live gt P L Br Brown boiler Time and temperature control of Central Heating and Hot Water Possible to have Central Heating only Hot Water only or both together 40 Two Port Valve System CZV22 NO DEMAND Only Grey of motorised valve is live Permanent Live HOT WATER ONLY DEMAND Cylinder thermostat drives valve open via Brown wire of motorised valve micro switch is activated allowing Grey to switch out on Orange and fire boiler HOT WATER AND CENTRAL HEATING DEMAND Cylinder and room thermostats drive valves open via Brown wire of motorised valve micro switches are activated allowing Grey to switch out on Orange and fire boiler 41 Zone Control system fault finding The fault finding table enables quick electrical checks to be carried out on installed Zone Control systems It will help in commissioning and pinpointing the source of any electrical problems Only suspect faulty components after you have checked the wiring and you are satisfied that the wiring is correct 42 Fault Finding Identification Programmer Check links are in place where relevant Check mains supply to terminal L Suspect programmer a After you have checked that the switching times are correctly set refer to user manual and the programmer time is set within a switching period b If live does not appear at JB terminal 7 when HW only is selected ON ONC
7. P2 blue NEUTRAL blue ACL 679H308 green yellow In the event of motor failure all products can be replaced without drain down using DVA actuators see next page 34 Motorised Valves redr orange orange amp g white HOT WATER OFF grey blue NEUTRAL blue E Jesum Flowminder CMV322 CMV328 Switchmaster valve is not sprung return hence the extra wire orange to move the paddle into the hot water ON position Insert link on junction box between red and orange of old valve and wire orange to orange siemens DAV322 blue NEUTRAL blue Honeywell V4044C green yellow green yellow ACL 679H314 Danfoss DMV3D Flowminder CMV322 CMV328 To replace a diverter valve with a mid position valve replace old brown wire with grey and white together and make the orange safe Removing actuator Attaching valve actuator First isolate from electrical mains supply Engage drive shaft D with actuator E and push disconnect cable from junction box taking note down firmly until spring clips engage fully with of position and colour of wires and replace with valve body When all work has been carried out new actuator cable it may be advisable to reconnect electrical supply replace wire for wire to ensure accuracy pull actuator from brass body Mid Position system fully pumped Mid Position Fully Pumped system for boilers with or without pump overrun For systems up
8. Product comparison guide 26 Programmers 27 29 Timeswitches 30 31 Room thermostats 32 Cylinder thermostats 32 Programmable room thermostats 33 Motorised valves 34 35 Mid Position fully pumped schematic 36 Mid Position system fault finding 38 Mid Position system fault finding table 39 Zone control schematic 40 Zone control system fault finding 42 Zone control system fault finding table 43 Gravity hot water pumped central heating system Schematic 44 Gravity system fault finding 45 Gravity system fault finding table 45 Timeswitches for combi boiler installations 46 Programmable thermostats for combi boiler installations 47 Thermostats terminal numbering 48 25 Product Comparison Range Daily electromechanical on ue 3060 H425 Tiara Vas ues REE 600 4033 H425 Diadem y SM2 SET3M Daily electromechanical 300 timeswitch 10 or 16 way RWB30E SM1 103 H425 Coronet TMP1 102ES Daily electronic 102E7 mini programmer SET2E FUSIUS 102b5 Daily electronic uals RWB29 LP241 FP715 Centaurplus C21 Simplex 200 oic RWB2001 Tempus3 21622 H21XL Select 207XL ue 2000 y Tempus 6 FP975 ui a mmis Select 207XL MEP2c EP2002 programmer p FP975 7 day electronic RWB29 LP722 ST799 Centaurplus C27 EP3002 programmer RWB2007 Tempus 7 ae ST6400 H27XL select 20 AL MERLE EP6002 24 hour electronic LP111 TS715 Centaurplus C11 Simplex 100 timeswitch Ed Tempus 1 SETTE H11XL Select 107XL oe 5 day 2 da
9. e See note 2 3 Any auxiliary equipment connected to the valve ie boiler pump continues to operate when the cylinder thermostat and or room thermostat is satisfied or the programmer is in the OFF position Zone Control system fault finding table Programmer RAM1 No live terminals on cylinder Turn set temperature up to call for Turn set temperature up to call for Cylinder thermostat Hot Water Hot Water Thermostat Live on terminals 1 amp 2 and junction Live on terminals 1 amp 2 and junction box terminals 7 amp 8 box terminals 7 amp 8 20 Room Thermostat CZV2 Live on Brown Orange amp Grey wires Heating Valve and junction box terminals 5 6 amp 9 Live on Orange amp Grey wires amp junction box terminals 5 amp 6 see note 5 Live on Brown Orange amp Grey wires and junction box terminals 5 6 amp 9 CZV2 Hot Water Valve Boiler amp Pump Boiler amp Pump fired from Orange wire Boiler amp Pump fired from Orange wire Boiler amp Pump fired from Orange wire Live on junction box terminal 5 Live on junction box terminal 5 Live on junction box terminal 5 Live when referred to above means 240V AC Notes Checks to be conducted by a qualified electrician Grey wire on both heating and hot water valves must be connected to a permanent live JB terminal 6 Insert lin from terminal 2 to terminal 6 Blue wire on both heating and hot wat
10. e wires of motorised valve moves valve over to central heating only and Orange becomes live to continue firing of boiler 37 Mid Position system fault finding The fault finding table enables quick electrical checks to be carried out on installed Mid Position systems It will help in commissioning and pinpointing the source of any electrical problems Only suspect faulty components after you have checked the wiring and you are satisfied that the wiring is correct Fault Finding Identification Programmer Check links are in place where relevant Check mains supply to terminal L Suspect programmer a After you have checked that the switching times are correctly set refer to user manual and the programmer time is set within a switching period b If live does not appear at JB terminal 8 when HW only is selected ON ONCE or ALL DAY c If live does not appear at JB terminal 10 when CH only is selected ON ONCE or ALL DAY To carry out the following checks set programmer HW and CH to 24h ON or CONTINUOUS RAM Cylinder Thermostat Check wiring against relevant wiring diagram disconnect mains supply remove wire from terminals 2 and 3 and make safe separately Re connect supply Check mains supply is live to terminal 1 Suspect RAM1 a If terminal 2 is not live when calling for heat turn thermostat to maximum b If terminal 3 is not live when satisfied turn thermostat to minimum Room Thermostat Check wiring
11. er valves must be connected to a permanent neutral JB terminal 4 Terminals marked E on RAM must be connected to earth JB terminal 3 Orange wire only becomes live when other 2 port valve has opened Please ensure all Earths are connected where applicable Aun QON 43 Gravity hot water pumped central heating system Basic system gravity fed HW Move selector to 10 programmes Cheap installation but inefficient No control of HW other than boiler thermostat Room thermostat controls pump switching RWB BACKPLATE o 9 JB1 Junction 7 Box 1 D 3 4 5 6 3A FUSE N L E N 240V BOILER PUMP INPUT STAT 8 9 10 ROOM L Gravity system fault finding Is there L amp N NO on the backplate YES Switch HW to on NO Caney Check programmer YES NO Turn up the boiler stat NO Has boiler lit Boller fights Boiler at fault YES YES Switch CH to on Live on 4 YES Live on room stat L amp Y2 Turn stat up Live on L amp YES Pump runs a Check pump YES Turn room stat down Pump stops Gravity system fault finding table System Programmer setting component Hot water only ON Central heating and hot water ON RAA20 Room Thermostat No live terminals on room thermostat Turn set temperature up to call for heating Live on terminals L amp Y1 and junction box terminals 5 9 amp 10 see note
12. essively warmer Disconnect mains supply Reconnect White wire to JB terminal 9 Grey wire to JB terminal 6 and the boiler and pump live to JB terminal 5 Mid Position system fault finding table Programmer RWB2 9 20 29 40 200 252 270 RAM1 Live on terminals 2 amp 3 Turn set temperature up to call for Turn set temperature up to call for Cylinder Terminal 2 only live when valve opens Hot Water Hot Water Thermostat and boiler fires Live on terminals 1 amp 2 and junction Live on terminals 1 amp 2 and junction Live also on junction box terminals box terminals 5 amp 8 box terminals 5 amp 8 5 amp 6 see notes 2 amp 6 see notes 2 amp 6 RAA20 Room Thermostat CMV3 Live on White Live on Orange Live on White amp Orange wires Mid Position Grey amp Orange wires Valve opens port B only Valves move to mid position Valve Valve opens port A only Junction box terminal 5 live Junction box terminals 5 amp 9 live Junction box terminals 5 6 see notes 2 amp 6 see notes 2 5 amp 6 9 amp 10 live see note 5 Boiler amp Pump Live on junction box terminal 2 Live on junction box terminal 2 Live on junction box terminal 2 Live when referred to above means 240V AC Notes 1 Checks to be conducted by a qualified electrician 2 Low AC voltage may appear on certain wires or terminals due to back feed from CMV3 valve If in doubt switch off supply disconnect Grey or Whi
13. implex SP25 SP30 SP50 SP100 All Models All Models SM320 SM350 SM400 SM600 SM800 SM805 SM905 SM900 SM9000 SM9001 2000 T2003 T2003Q T2002 T2002Q DP72 FP MP QE2 RWB2 6832 RWB200 cw RWB252 cw RWB2E cw RWB9 cw N N N N EM Z EM 2 N amp 2 F N pmi m ES Z S Z 2 NE EAM lE C MEM NM 2 4 2 2 3 4 6 3 3 4 3 4 3 4 6 3 7 4 6 3 HW ON CHON 3 4 2 5 3 5 3 1 3 1 3 1 3 1 HW OFF HTG OFF HWON HW ON HW ON HTG ON HW HTG OFF HW ON 8 11 MeN MSS SE N 6 10 6 10 DUM UL ee Uu w gt e Bs Backplate will need replacing Link between L amp 5 not required Direct replacement Contact Siemens helpline 0870 850 0184 Links between L 4 7 not required Links between 2 3 6 not required Links between 2 4 7 not required Direct replacement Link between L 3 not required Contact Siemens helpline 0870 850 0184 Contact Siemens helpline 0870 850 0184 Link L 4 not required RWB must be set to 10 mode A B C spare terminals Direct replacement Links between 1 5 7 not required 3 7 amp 8 spare terminals links between 1 amp 4and 5 amp 11 not required Direct replacement Direct replacement Direct replacement Direct replacement Direct replacement Direct replacement If the manufacturer or model of the programmer you are replacing is not listed above please contact the Siemens helpline o
14. late Contact Siemens 0870 850 0184 Replace link L 1 onto L 2 only if fitted Need to connect Neutral Replace link L 1 onto L 2 only if fitted Replace link L 5 onto L 2 only if fitted Replace link L 5 onto L 2 only if fitted Replace link L 1 onto 1 2 only if fitted Replace link L 5 onto L 2 only if fitted RWB27 RWB30E RWB1001 RWB1007 Timeswitches L a RWB1007 RWB7 RWB30 Direct replacement RWB50 RWB100 RWB152 RWB170 RWBXT son D Potterton EP4000 EP4001 ABCD 4 Replace link L 5 onto L 2 only if fitted EP 4002 EP5002 ABCD Replace link L 5 onto L 2 only if fitted Sangamo All models Contact Siemens 0870 850 0184 Smiths ncustries Si a Sa R ce SUC All models Contact Siemens 0870 850 0184 ESE ee SP35 Replace link L 3 onto L 2 only if fitted Switchmaster SM300 Replace link L 4 onto L 2 only if fitted SM980 Replace link L 4 onto L 2 only if fitted Tower Grasslin Towercron 2001C 2001CQ Towercron DP71 Towercron TC Towercron QM1 Replace link L 3 onto L 2 only if fitted RWB152 cw Direct replacement If the manufacturer or model of the timeswitch you are replacing is not listed above please contact the Siemens helpline on 0870 850 0184 31 Room Thermostats E ee eee Siemens 7 ee 50 1 1 B TS142
15. n 0870 850 0184 29 RWB27 RWB30E RWB1001 RWB1007 Timeswitches Siemens 30 RWB30E N E 1 D 3 4 L 1 2 3 4 RWB1007 Pala essa Lifestyle LP711 LS711 Towercron TC Tempus 1 amp 2 new models Tempus 1 amp 2 old models SM1 All models RT7 RT24 BUT RTF7 OS OSES 103 E7 T51 Ono 3001 3020 Set 1 Set 1e Set 4 TSS 15779 75715 75975 TSR 2 All models ST6100A 1001 ST6100C 1009 ST7000B 1001 Centaur Plus C11 Centaur Plus C17 Centaur Plus H11 Centaur Plus H17 Centaur SC1 Centaur SC7 Channel Plus H11 Channel Plus H17 E E MEE rr EEUU N N 2 amp 3 L L IE Ov ie NY m E29 ES E o E EM NS Replace link L 1 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Replace link 4 6 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Contact Siemens 0870 850 0184 Direct replacement Direct replacement Replace link 6 3 onto L 2 only if fitted Replace link 6 3 onto L 2 only if fitted Replace link L 5 onto L 2 only if fitted Replace link L 5 onto L 2 only if fitted Insert link L 2 on RWB backplate Replace link L 5 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Replace link L 1 onto L 2 only if fitted Replace link L 5 onto L 2 only if fitted Insert link L 2 on RWB backp
16. nk between 2 3 not required Centaur Plus C121 E N 1 2 3 4 Direct replacement Centaur Plus C21 E N 1 2 3 4 Direct replacement Centaur Plus C27 E N L 1 2 3 4 Direct replacement Centaur Plus C127 E N 1 2 3 4 Direct replacement Centaur Plus H21 N L 3 6 1 4 Links between L 2 5 not required Centaur Plus H27 Centaur TC1 TC7 N L 1 2 3 4 Direct replacement Channel Plus H121 E L 3 6 1 Links between L 2 5 not required H21 H27 Coral 423 424 2 1 8 4 Links between 7 8 not required Diadem 425 E N L 3 6 1 4 Links between L 2 5 not required Diamond 423 E 18 2 Links between 1 1 3 not required term 5 Diamond 424 spare if used keep wires together in separate block Tiara 425 525 E N L 3 6 1 4 Links between L 2 5 not required RWB1 N 1 2 3 4 Direct replacement Note if terminals 1 amp 2 have been used these wires should be removed and placed in separate connectors RWB2 N L 3 Direct replacement RWB20 L 1 2 B 4 Direct replacement but check neutral connected and fit if required RWB40 N L 1 2 9 4 Direct replacement RWB102 3 Direct replacement Use 10 mode RWB200 RWB252 N L 1 2 B 4 Direct replacement RWB270 RWBXP RWB29 RWB2E RWB2001 RWB2007 Programmers Siemens D M RWB2007 Microtimer Seven MEP2C EP2000 EP2001 EP2002 EP3000 EP3001 EP3002 EP6000 EP6002 Miniminder Miniminder E All Models DHP2201 ET1401 ET1451 Libra MP2 Select 207 207XL S
17. orange safe 26 RWB29 RWB2E RWB2001 RWB2007 Programmers Siemens D RWB2007 2000 FP LP112 LP241 LS241 EPS 22 S52 7227 Tempus 3 4 6 amp 7 All models EPR1 RPF7 RP24 BUP 102 102E5 102E7 105 70 M70902 922 972 3002 3020p 3033 3060 4033 api evs CPAs EPS ERS OG FP715 MP15 MP75 FP975 R6 MK2 Set2 Set2e Set3 Set3e Set3m Set5 TSR 2P TSR 3 3 All models Mastermind Em m EN OO E 8 E 8 9 Z NEM Z Bee N I 2 Z Z NX o NZM Z 2 1 amp 7 1 amp 7 N m om NE NEN NL 1 amp 6 1 amp 2 HW OFF HTG OFF HW ON HTG ON 8 1 11 2 2 2 2 DM N Bie N u Bie Ww Bie UJ w UJ UJ w UJ 10 4 4 4 4 10 N A E N Oo Links between L C C not required Links between 1 5 7 not required Direct replacement Direct replacement Direct replacement Direct replacement Links between 1 amp 4 and 6 amp 11 not required Need to replace backplate Contact Siemens helpline 0870 850 0184 Direct replacement Direct replacement Direct replacement Links between 6 3 not required Links between L 5 6 not required Links between L 5 6 not required Links between 6 3 not required If term 3 wired keep cables together in separate blocklif no roomstat term 2 3 may have been linked Terminal 8 earth If term 3 wired keep cables together in se
18. parate blocklif no roomstat term 2 3 may have been linked Direct replacement Links between L 2 5 not requiredlcan be volt free 9 way backplate If roomstat fitted wires in term 6 connect in separate block Link between L 2 5 not required Links between 1 2 amp 5 6 not required Contact Siemens helpline 0870 850 0184 Direct replacement 27 RWB29 RWB2E RWB2001 RWB2007 Programmers Siemens D M 28 RWB2007 ST499A N L 6 3 Links between L 2 5 not required Zone systems only ST1000 E N L 3 6 1 4 Links between L 2 5 not required ST6200A 1009 N L 1 2 3 4 Need to replace backplate ST6300A 1007 N L 1 p B 4 Need to replace backplate ST6400A 1003 N L 1 2 3 7 Need to replace backplate ST6400B 1003 N L 1 2 3 4 Need to replace backplate ST6400C 1003 N L 1 2 3 4 Need to replace backplate ST6450B 1017 N L 1 2 3 4 Need to replace backplate ST699B 1002 N L 7 4 6 5 Links between L 5 8 not required ST699B 1002 N L 8 5 Links between L 5 6 amp 3 7 not required ST699C N L 7 4 6 3 Links between L 5 8 not required ST7000A 1002 2 3 4 Battery powered will need neutral connection to operate modern units 577100 HW OFF HTG OFF Links between 1 3 6 not required ST7100A 1000 N L 7 4 8 5 Links between 1 3 6 not required ST799A 1003 N L y 4 6 3 Links between L 5 8 not required Amethyst 7 amp 10 2 amp 3 1 4 6 5 7 Amethyst 423 E 2 1 4 6 5 7 Li
19. te wire as appropriate switch on supply and check again Alternatively check with a meter with low voltage capacity Terminals marked E on RAM must be connected to earth JB terminal 3 Blue wire on CMV3 must be connected to JB terminal 4 permanent neutral For this condition the room thermostat RAA must be turned up to call for heat For this condition the cylinder thermostat RAM1 must be turned up to call for heat IF RAM1 cylinder thermostat is satisfied then terminal 1 on programmer RWB will be live Please ensure all Earths are connected where applicable 39 Zone Control system Zone Control system for boilers with or without pump overrun Increased flexibility over mid position system Able to have several CH and HW controlled independently RWB 2 Channel Programmer N L 1 2 3 4 O ZONEMINDER CZV222 ZONEMINDER CZV222 Br JB1 L N S L d nctio Box 1 2 3 4 5 6 7 8 9 10 3A N L E Boiler and Pump 1 2 NT UL connections RAM RAA20 3 Amp Fused Spur Please refer to note 1 240 volt input Cylinder Thermostat Room Thermostat RWB Terminal Configuration 1 Off Hot Water a As 2 Off Central Heating Boiler requiring Basic Pump overrun Boiler 3 On Hot Water Noreg 4 Central Heating Live 2 18 Switched Live 5 gt SIL 5 Boiler Live amp Pump Live Zoneminder Colour Codes G Y Green Yellow Neutral 1 N 1 Neutral B
20. to 8 radiators Time and temperature control of Central Heating and Hot Water Selector to 16 programmers Possible to have Central Heating only Hot Water only or both together RWB 2 Channel Programmer N E 1 2 3 4 O Mid position valve FLOWMINDER CMV322ICMV328 GIY w JB1 IL SIL Junction Box 1 2 S 4 5 6 7 8 9 10 3A L E Boiler and Pump 2 s3 i YN connections RAM RAA20 3 Amp Fused Spur Please refer to note 1 240 volt input Cylinder Thermostat Room Thermostat mm z RWB Terminal Configuration Boiler requiring Basic Pump overrun NOTE Boiler 1 Off Hot Water 2 Off Central Heating Live 2 L 3 On Hot Water 5 Boiler Live 4 On Central Heating Switchedlive 5 S L amp Pump Live Neutral W E Neutral Flowminder Colour Codes Earth 3 2 E lt lt 3 Earth GIY Green Yellow B Blue Pump Live P L o ORE boiler Gr Grey w White Time and temperature control of Central Heating and Hot Water Possible to have Central Heating only Hot Water only or both together 36 Three Port Valve System CMV32 NO DEMAND Only Grey of motorised valve is live HOT WATER ONLY DEMAND Cylinder thermostat fires boiler default of valve is to allow flow to hot water HOT WATER AND CENTRAL HEATING DEMAND Motorised valve is moved to mid position via White of motorised valve cylinder thermostat continues to fire boiler CENTRAL HEATING ONLY DEMAND Power to Grey and Whit
21. y electronic RWB27 S75 RWB1007 Tempus 2 15975 Select 107XL MEP1c EP4002 7 day electronic LP711 TSIS Centaurplus C17 Tempus 2 75975 576100 H17XL Select 107XL MEP1c EP5002 Daily programmable REV13 Digistat 2 ERIT em TP4 CM61 AS1 room thermostat REV100 Digistat 4 Centaurstat 1 5 day 2 day TP5 programmable room TP6000M thermostat TP5000 7 day programmable REV24 evene S ERSTES ENT REV24RF Digistat 3 TP7000 CM67 Centaurstat 7 TLX6501 MPRT RET 24 TLX2251 2259 RET230 HRT1 TLX2356 235712358 PRT2 Room Mete e RIS RMT24 0 HRT2 TLX3101 TLX5101 MRTI oos RMT230 TLX9201 TLM2802 HTS3 Cylinder thermostat RAM1 PTS1 ATC L641 HCT1 SA2452 TCT1 MCT1 PTT100 E s MA1 6793 Mid position 3 port HSV3B 22 SDV2211 PMV3 motorised valve 22mm SH HSV3 MEL SDMV2304 MENS MEA MSV322 340 0LO Mid position 3 port 779H HS3B28 mot rised valv 28mm CMV328 340 30LO HS3 V4073A1088 SDMV2320 TMPV28 MPE328 A SZV2212 2 port motorised 679H HPV22B PMV2 zoe velie 308 011 HPV22 V4043H1056 Z222XL SZMV2305 AAA MPE222 MSV222 SMV2217 T 246 779 2 port motorised CZV228 779H HFV28B v4043H1106 2228XL INB 75228 228 zone valve 28mm HPV28 SZMV2323 535 3010 Diverter 3 port HS3D Tiotorised valve ES HS3DB V4044C1288 SDV2291 MPE322DV VT117E TAY amele vake MTN51GB RT111 RAS C2 VT15 Thermoplus XL TRV400 10 15mm VT200 To replace a diverter valve with a mid position valve replace old brown wire with grey and white together and make the
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