Wiring Diagrams and Electrical Tests (Multimeter Required)


Conditions of Use
Vaillant issue these diagrams on condition that the user;
1. Ensures the installation conforms with the appliance installation instructions
2. Ensures that any external control connected to a Vaillant boiler or VANTAGE unvented hot water cylinder is compatible.
3. Accepts all liability for verification of the circuitry as being correct and suitable for the use intended.
4. Accepts all liability for verification of the system design being correct and suitable for the use intended.
5. Accepts the condition that any wiring, pipe run, sizing, or layout ect, where shown are illustrations and not to be used other than as a guide.
Any electrical work should be in accordance with BRITISH STANDARDS and IEE Regulations.
Legends to the drawings for both electrical and pipe work diagrams give basic requirements, recommendations and symbols used.
Used within these diagrams and tables are trademarks and registered propriety names, Vaillant acknowledges their owners rights and thanks them for help
in providing this information.
DATE 09/04/2001 TITLE:- PRELIMINARY ELECTRICALCHECKS
DRAWING N0. CD0/0/0/0/14
Before carrying out preliminary electrical checks , ENSURE there is NO VOLTAGE at the appliance
using an electrical test meter .
EARTH CONTINUITY CHECK
Appliance must be electrically disconnected , meter set on &! ( ohms ) scale .
Test leads from all appliance earthed metals to earth pin or plug . Resistance should be less than 1
&! ( ohm ) .
If the resistance is greater than 1 &! ( ohm ) then check all earth wires for continuity and all contacts
clean and tight .
If resistance of earth is still greater than 1 &! ( ohm ) then this should be rectified by a electrician .
SHORT CIRCUIT CHECK
Appliance electrically disconnected . All switches ON ( including stats ) .
Meter set on &! (ohms ) scale .
Test leads from L and N in appliance terminal strip / block , if meter reads  0  then there is a short
circuit .
RESISTANCE TO EARTH CHECK
Appliance must be disconnected from mains supply and meter set on &!
( ohms ) scale .All switches including stats on .
Test with leads from L and E if meter reads less than O L ( infinity ) there is a fault .
Test with leads from N to E . If meter reads less than O L ( infinity ) there is a fault . A detailed
continuity check is required to trace the faulty component .
NOTE:-
Should it be found that the fuse has failed but no fault is indicated a detailed continuity check
( ie. by disconnecting and checking each component ) is required to trace the faulty component . It is
possible that a fault could occur as a result of local burning / arcing but no fault could be found under
test . However , a detailed visual inspection should reveal evidence of burning around the fault .
POLARITY CHECK
Appliance connected to mains supply and meter set on VAC scale . Test at appliance terminal strip :-
a) Test leads from L to N - meter should read approx. 240 VAC .
b) Test leads from L to E - meter should read approx. 240 VAC
c) Test leads from N to E - meter should read from 0 - 15 VAC maximum .
THUS THE TERMINAL MARKED  L IS THE LIVE TERMINAL .
If a low VAC reading is given on terminals other than N to E there is an electrical fault .
If Polarity check at the appliance terminal strip failed , a check must be made at the appliance plus
inlet spur to check the wiring system up to the appliance and rectify any fault . If necessary repeat the
test at the supply system socket / spur . If the fault also occurs at this stage there is a house system
fault which requires attention by the electrical authority . The customer should be warned not to use
the appliance until this examination has been carried out .
DATE 09/04/2001 TITLE:- EARTH CONTINUITY CHECK TEST 3 PIN PLUG
DRAWING No. CD0/0/0/0/12
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
R less than 1 ohm TEST PROBE ON BOILER CHASSIS
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
EARTH CONTINUITY :-
If the resistance between the earth pin of the plug and the appliance case is greater than 1 ohm ( ) check all the earth wires
for continuity and that all the contacts are clean and tight.
If the resistance to earth is still greater than 1 ohm ( ) then the fault must be rectified before proceeding .
WARNING, Poor, or no earth continuity will cause a danger if there is a short circuit on the appliance, as supposedly earthed
metal would become LIVE giving rise of an electrical shock when touched.
DATE 09/04/2001 TITLE:- SHORT CIRCUIT CHECK
DRAWING No. CD0/0/0/0/13
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
R less ? 0
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
SHORT CIRCUIT TEST :-
The resistance between L and N indicates the internal resistance of the appliance. Where this is zero ohms, there is a short
circuit fault which must be rectified. If a fuse repeatedly fails, but no fault is indicated in this test, a detailed continuity check
( i.e. by disconnecting and checking each component ) is required to trace the faulty component. It is possible that fault could
occur as a result of local burning / arcing, but no fault is found under test. However, a detailed visual inspection should reveal
evidence of burning around the fault.
DATE 10/04/2001 TITLE:- RESISTANCE TO EARTH CHECK
DRAWING No. CD0/0/0/0/15
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
R = 8
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
RESISTANCE TO EARTH CHECK :-
All switches, including any thermostats, should be switched on. If the resistance between L and E is other
than infinity ( ), there is a fault which should be isolated. A detailed continuity check is required to trace
the faulty component.
DATE 10/04/2001 TITLE:- MAINS VOLTAGE AND POLARITY CHECK: PART 1
DRAWING No. CD0/0/0/0/16
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
240 Vac
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
MAINS VOLTAGE AND POLARITY CHECK ( TESTS PARTS 1. 2. 3 ) :-
If a low Vac reading is given between terminals L and N or Land E, there is an electrical fault.
Repeat the test at the appliance plug / inlet spur to check the wiring system up to the appliance and rectify any fault. If necessary,
repeat the test at the supply system socket outlet / spur. If the fault also occurs at this stage, then there is a house system fault.
This should be rectified by a competent electrician, such as a NICEIC registered contractor. The appliance should be left
disconnected and the customer warned not to use the appliance until this work has been carried out.
DATE 10/04/2001 TITLE:- MAINS VOLTAGE AND POLARITY CHECK PART: 2
DRAWING No. CD0/0/0/0/17
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
240 Vac
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
MAIN VOLTAGE AND POLARITY CHECK CONTINUED :- Part two
Most appliances will appear to operate normally with the live and neutral connections transposed. The exceptions are some models
with spark generators or microprocessor controls. However, if there is a short to earth, the fuse would not blow and the resulting
current flow could cause a fire. In addition, most switches are normally connected in the live circuit and transposition of the live
and neutral would mean the appliance was still  on when apparently switched  off . Transposing live and earth connections
should cause the fuse to blow. It would also cause the appliance to become live if there was a fault in the earth circuit.
Transposing neutral and earth would not prevent the appliance from working, but is contrary to the electricity supply regulations
and must be avoided. On some installations it would cause the earth trip to fail.
DATE 10/04/2001 TITLE:- MAINS VOLTAGE AND POLARITY CHECK PART: 3
DRAWING No. CD0/0/0/0/18
THREE PIN PLUG ELECTRIC TEST METER VAILLANT BOILER TERMINAL STRIP
OR SPUR CONNECTION UNIT
0 to 15 Vac
E E 1/N 2/L 3 4 5
3 amp
FUSE
N L
V
+
COM
MAIN VOLTAGE AND POLARITY CHECK CONTINUED :- Part three - conclusion
DATE 06/04/2001 TITLE:- LEGEND TO DRAWINGS & ELECTRICAL
ALL WIRING TO COMPLY WITH BRITISH STANDARDS AND I E E REGULATIONS
DRAWING No. CD0/0/0/0/4
MAIN ELECTRICAL SUPPLY : 3 AMP FUSED - 240V, VIA FUSED 3 PIN, UNSWITCHED, SHUTTERED SOCKET TO BS 1363. ALTERNATIVELY,
VIA FUSED, DOUBLE - POLE ISOLATOR WITH AT LEAST 3 mm SEPARATION IN ALL POLES
APPLIANCE MUST BE EARTHED.
WIRING CENTRE / JUNCTION BOX : DO NOT USE A PRE-WIRED PRINTED CIRCUIT BOARD TYPE .
ALL CONTROLS & COMPONENTS ARE SHOWN AS WIRED TO THESE TERMINALS UNLESS OTHERWISE STATED.
TERMINAL INDICATORS IDENTIFICATION :
E : EARTH , . N : NEUTRAL , . L : LINE , . EARTH TERMINAL DESIGNATION : OR
WIRING COLOURS :
BL : BLUE . BK : BLACK . BR : BROWN . GR : GREY . OR : ORANGE . WH : WHITE . RED : RED . YL : YELLOW . G/Y : GREEN / YELLOW .
GN : GREEN . W-B : WHITE OR BROWN . V : VIOLET . TL: TRANSLUCENT . TP : TRANSPARENT .
LIVE TO SYSTEM = , SW LIVE TO STAT CH = , DEMAND TO BOILER = , NEUTRAL FROM SYSTEM = .
HW =
LINE DRAWING : CONNECTING = , CROSSING = , JOINING = , SWITCH = l l
DESIGNATION :
C OR COM : COMMON . D OR DEM : DEMAND . SAT : SATISFIED . SW : SWITCHED . NO : NORMALLY OPEN . NC : NORMALLY CLOSED .
N/U : NOT USED . SP : SPARE . DHW : DOMESTIC HOT WATER . S/C OR SEC /C : SECONDARY CIRCUIT . DP DT : DOUBLE POLE DOUBLE THROW
SP ST : SINGLE POLE SINGLE THROW .
PROGRAMMER : CONNECTION DETAILS MUST BE IN ACCORDANCE WITH PROGRAMMER INSTALLATION INSTRUCTIONS , READ IN CONJUNCTION
WITH BOILER INSTALLATION INSTRUCTIONS . NOTE LINKS MAY OR MAY NOT BE NEEDED .
HW : HOT WATER . CH : CENTRAL HEATING . S/CH : SINGLE CHANNEL . 2/CH : TWO CHANNEL . VFC : VOLT FREE CONTACT OR CONTACTS .
NOTE :- INSTALLERS MUST ENSURE THAT ANY EXTERNAL CONTROLS CONNECTED TO VAILLANT BOILERS ARE
COMPATIBLE . WIRING DIAGRAMS ISSUED BY VAILLANT ARE A GUIDE ONLY, AND ISSUED STRICTLY ON CONDITION
THAT THE INSTALLER ACCEPTS ALL LIABILITY FOR VERIFICATION OF THE CIRCUITRY AS BEING CORRECT AND
SUITABLE FOR THE USE INTENDED .
DATE 22/03/2001 TITLE:- LEGEND TO DRAWINGS & PIPEWORK SCHEMATICS
ALL PIPEWORK TO COMPLY WITH BRITISH STANDARDS AND THE RELEVENT WATER REGULATIONS
DRAWING No. CD0/0/0/0/5
NOTE :- ALL DRAWINGS ARE DIAGRAMMATIC LAYOUTS ONLY , ISSUED AS A GUIDE . THEY ARE ISSUED STRICTLY ON CONDITION THAT THE
INSTALLER ACCEPTS ALL LIABILITY FOR THE SYSTEM DESIGN BEING CORRECT AND SUITABLE FOR THE USE INTENDED . THE INSTALLER
TO ENSURE THAT THE INSTALLATION CONFORMS TO THE APPLIANCE INSTALLATION REQUIREMENTS . PIPE RUNS AND SIZING ECT
WHERE SHOWN ARE ILLUSTRATIONS AND NOT TO BE USED OTHER THAN AS A GUIDE.
WHERE THE CIRCUIT RESISTANCE EXCEEDS 25kPa ( 2.5 metres ), A CORRECTLY SIZED ADDITIONAL PUMP WILL BE REQUIRED.
ON MODULAR INSTALLATIONS ENSURE : SUFFICIENT EXPANSION CAPACITY IS PROVIDED . ADDITION SYSTEM PUMPS TO BE ON THE
COMMON FLOW . A REVERSE RETURN PIPEWORK ARRANGEMENT USED WITH NON-RETURN VALVES ON FLOW PIPES FROM BOILERS .
WITH VANTAGE UNVENTED HOT WATER CYLINDERS , THE SUPPLIED 3 PORT MID POSITION VALVE MAY BE REPLACED WITH A 2 PORT
SPRING RETURN VALVE .
SYMBOLS & CUSTOMS USED
= PRIMARY FLOW . = PRIMARY RETURN .
= SHUT OFF VALVE : SUFFIX LS = LOCK SHIELD , BV = BALANCING VALVE , DC = DRAIN COCK ,
= PRESSURE RELIEF VALVE
= 2 PORT SPRING RETURN VALVE , = 3 PORT MID POSITION VALVE = ADDITIONAL EXPANSION
VESSEL
= NON - RETURN VALVE
= PUMP
= FILLING LOOP
DATE 21/03/2001 TITLE:- VAILLANT BOILER TERMINAL DESIGNATION
DRAWING No. CD0/0/0/0/1
T3W BOILER RANGE
6 5 4 3 2R 1Mp
t t t t t t
N/U SW/N SW/L L/OUT L N
ECOmax - as part of terminal strip not ECOmax
VC, VCW RANGE
THERMOcompact N L 1 N 2 L 3 4 5 7 8 9 10 11 12
COMBIcompact
ECOmax 200 SERIES t t t t t
not used UK N L L/OUT SW/L SW/N 20 VDC 200 V
not used in UK
X1 X3
VU, VUW RANGE
THERMOcompact 9 8 7 5 4 3 L N
TURBOmax
t t t t t
not used in UK SW/N SW/L L/OUT L N
ECOmax 800 SERIES
600 SERIES N L 3 4 5 7 8 9 0 Vac
t t t t t
N L L/OUT SW/L SW/N 24V~
not used in UK
TURBOmax Pro
TURBOmax Plus 7 8 9 L N 3 4 5
THERMOcompact 600 SERIES
ecoMAX 800/2 SERIES t t t t t t
600/2 SERIES 24V L N L/OUT SW/L SW/N
not used in UK
NOTE :- ALL BOILERS SUPPLIED WITH LINK BETWEEN TERMINALS 3 & 4. EXTERNAL CONTROLS SWITCH BETWEEN THESE TERMINALS.
DATE 29/03/2001 TITLE:- VAILLANT COMBINATION BOILER TERMINAL CONNECTIONS
FOR SINGLE CHANNEL TIME SWITCHES
DRAWING N0. CD0/0/0/0/9
ACL DRAYTON N L 3 4
Tempus 1, Tempus 2 s s s s
Lifestyle LP111, LP711
N L 1 2 3 4
ACL DRAYTON N L 4 3
SWITCHMASTER s s s s
SM300
N L 1 2 3 4
ACL DRAYTON N L 4 3
SWITCHMASTER 980 s s s s
N L 1 2 A B C 3 4
DANFOSS RANDALL 4 3 E N L
103 SERIES s s s s s
1 2 3 E 5 6
DANFOSS RANDALL E N L 4 3
SET 1E, TS975 s s s s s
E N L 1 2 3 4 5 6
DANFOSS RANDALL N L 3 4
TS715 s s s s
N L 1 2 3 4
GRÄSSLIN TOWERCHRON N L 3 4
QE1, QM1 s s s s
N L 1 2 3 4
HONEYWELL N L 3 4
ST6100A, ST6100C s s s s
N L 1 2 3 4
HORSTMANN E N L 4 3
ChannelPlus s s s s s
H11, H17, 425 CORONET
E N L 1 2 3 4 5 6
HORSTMANN E N L 3 4
CentaurPlus s s s s s
C11, C17
E N L 1 2 3 4
LANDIS & STAEFA N L 3 4
RWB7 s s s s
N L 1 2 3 4
POTTERTON MYSON N L 4 3 E
EP4002, EP5002 s s s s s
N A B C D N L 1 2 3 4 5 E
mains supply
SMITHS TIMEGUARD 4 3 2/L 1/N N L E
SupplyMASTER s s s s s s s
FST11, FST17 1 2 3 4 5 6 E
~
SUNVIC N L 3 4
SELECT 107 s s s s
N L 1 2 3 4
DATE 29 . 03 . 2001 TITLE:- VAILLANT COMBINATION BOILER TERMINAL CONNECTIONS
FOR PROGRAMMABLE ROOM THERMOSTATS
DRAWING N0. CD0/0/0/0/8
ACL DRAYTON N L 3 4
Lifestyle s s s s
PT271, PT371
N L 1 2 3 4
ACL DRAYTON 3 4
Digistat 2, 3, 4, s s
1 2 3
ACL DRAYTON N L 3 4
Digistat RF - SCR Receiver s s s s
N L 1 2 3
DANFOSS RANDALL 4 3
TP4, TP5, TP5E s s
3 2 1
DANFOSS RANDALL N L 3 4
TP5E RF with receiver RX1 s s s s
N L 1 2 3 4
DANFOSS RANDALL 3 4
TP75 s s
A B C 1 2 3 4 5 6
GRÄSSLIN TOWERCHRON 3 4
RTC 7 s s
1 2 3
HONEYWELL 3 4
CM61, CM67, CM31, CM37 s s
A B C
HORSTMANN 3 4
Centaurstat 1, 7 s s
1 2 3 4
LANDIS & STAEFA 3 4
REV 11, REV 15, REV 22 s s
L L1
SMITHS TIMEGUARD L N 3 4
ProgramaSTAT PRT11, PRT17 s s s s
L N 3 4
SUNVIC 3 4
TLX 6501 s s
1 2 3
SUNVIC N L 3 4
TLX RFP, TLX RFD s s s s
N L 1 2 3 4
VAILLANT N L 3 4
VRT 9083QT, VRT 9084QW s s s s
9 F 7 8
DATE 21 . 03 . 2001 TITLE:- 2 CHANNEL PROGRAMMERS FOR USE WITH VAILLANT
BOILERS USING 3 PORT MID-POSITION VALVES
DRAWING N0. CD0/0/0/0/3 single boiler application connection details
DRAYTON HW CH HW CH
OFF OFF ON ON
LP241, LP522, LP722 N L 1 2 3 4
Note: X indicates terminal not used t t t t t t
5 3 8 X 7 6
TEMPUS 6, TEMPUS 7 HW CH HW CH
OFF OFF ON ON
E N L 1 2 3 4
Note: X indicates terminal not used t t t t t t t
E 5 3 8 X 7 6
DANFOSS RANDALL HW CH HW CH
OFF OFF ON ON
CP715, FP715 E N L 1 2 3 4
Note: X indicates terminals not used t t t t t t t
X 5 3 8 X 7 6
GRÄSSLIN HW CH HW CH
OFF OFF ON ON
TOWERCHRON QE2, QM2 N L 1 2 3 4
Note: X indicates terminal not used t t t t t t
5 3 8 X 7 6
HONEYWELL CH CH COM HW HW COM
ON OFF ON OFF
ST699B, ST799A L N 3 4 5 6 7 8
Note: Link L-5, 5-8. X indicates terminal not used t t t t t t
3 5 6 X 7 8
ST6200, ST6300, ST6400 HW CH HW CH
OFF OFF ON ON
N L 1 2 3 4
Note: X indicates terminal not used t t t t t t
5 3 8 X 7 6
HORSTMANN HW COM HW CH COM CH
ON OFF ON OFF
CHANNEL PLUS H21, H27. 425 TIARA. E N L 1 2 3 4 5 6
Note: Link L-2, 2-5. X indicates terminals not used t t t t t t t
X 5 3 7 8 6 X
POTTERTON HW CH HW CH COM
OFF OFF ON ON
EP2001, EP3001, EP6002 E N L 1 2 3 4 5
Note: Link L-5. X indicates terminal not used t t t t t t t
E 5 3 8 X 7 6
SIEMENS  LANDIS & STAEFA HW CH HW CH
OFF OFF ON ON
RWB 2, RWB 9 N L 1 2 3 4
Note: X indicates terminal not used t t t t t t
5 3 8 X 7 6
SUNVIC HW CH HW CH
OFF OFF ON ON
SELECT 207 N L 1 2 3 4
Note: X indicates terminal not used t t t t t t
5 3 8 X 7 6
DATE 30 . 04 . 2001 TITLE:- 2 CHANNEL PROGRAMMERS FOR USE WITH VAILLANT
BOILERS USING 2 PORT SPRING RETURN ZONE VALVES
DRAWING No. CD0/0/0/0/2 single boiler application  use as guide only for multi boiler applications
DRAYTON HW CH HW CH
OFF OFF ON ON
LP241, LP522, LP722 N L 1 2 3 4
Note: X indicates terminals not used t t t t t t
5 3 X X 7 6
TEMPUS 6, TEMPUS 7 HW CH HW CH
OFF OFF ON ON
E N L 1 2 3 4
Note: X indicates terminals not used t t t t t t t
E 5 3 X X 7 6
DANFOSS RANDALL HW CH HW CH
OFF OFF ON ON
CP715, FP715 E N L 1 2 3 4
Note: X indicates terminals not used t t t t t t t
X 5 3 X X 7 6
GRÄSSLIN HW CH HW CH
OFF OFF ON ON
TOWERCHRON QE2, QM2 N L 1 2 3 4
Note: X indicates terminals not used t t t t t t
5 3 X X 7 6
HONEYWELL CH CH COM HW HW COM
ON OFF ON OFF
ST699B, ST799A L N 3 4 5 6 7 8
Note: Link L-5, 5-8. X indicates terminals not used t t t t t t
3 5 6 X 7 X
ST6200, ST6300, ST6400 HW CH HW CH
OFF OFF ON ON
N L 1 2 3 4
Note: X indicates terminals not used t t t t t t
5 3 X X 7 6
HORSTMANN HW COM HW CH COM CH
ON OFF ON OFF
CHANNEL PLUS H21, H27. 425 TIARA. E N L 1 2 3 4 5 6
Note: Link L-2, 2-5. X indicates terminals not used t t t t t t t
X 5 3 7 X 6 X
POTTERTON HW CH HW CH COM
OFF OFF ON ON
EP2001, EP3001, EP6002 E N L 1 2 3 4 5
Note: Link L-5. X indicates terminals not used t t t t t t t
E 5 3 X X 7 6
SIEMENS  LANDIS & STAEFA HW CH HW CH
OFF OFF ON ON
RWB 2, RWB 9 N L 1 2 3 4
Note: X indicates terminals not used t t t t t t
5 3 X X 7 6
SUNVIC HW CH HW CH
OFF OFF ON ON
SELECT 207 N L 1 2 3 4
Note: X indicates terminals not used t t t t t t
5 3 X X 7 6
DATE 02 . 04 . 2001 TITLE:- VAILLANT BOILER TERMINAL CONNECTIONS FOR
PROGRAMMABLE ROOM THERMOSTATS ON HEATING
DRAWING N0. CD0/0/0/0/11 SYSTEMS SINGLE BOILER APPLICATIONS = QQQ
ACL DRAYTON N L C SW/L
Lifestyle s s s s
PT271, PT371
N L 1 2 3 4
ACL DRAYTON C SW/L
Digistat 2, 3, 4, s s
1 2 3
ACL DRAYTON N L C SW/L
Digistat RF - SCR Receiver s s s s
N L 1 2 3
DANFOSS RANDALL SW/L C
TP4, TP5, TP5E s s
3 2 1
DANFOSS RANDALL N L C SW/L
TP5E RF with receiver RX1 s s s s
N L 1 2 3 4
DANFOSS RANDALL C SW/L
TP75 s s
A B C 1 2 3 4 5 6
GRÄSSLIN TOWERCHRON C SW/L
RTC 7 s s
1 2 3
HONEYWELL C SW/L
CM61, CM67, CM31, CM37 s s
A B C
HORSTMANN C SW/L
Centaurstat 1, 7 s s
1 2 3 4
LANDIS & STAEFA C SW/L
REV 11, REV 15, REV 22 s s
L L1
SMITHS TIMEGUARD L N C SW/L
ProgramaSTAT PRT11, PRT17 s s s s
L N 3 4
SUNVIC C SW/L
TLX 6501 s s
1 2 3
SUNVIC N L C SW/L
TLX RFP, TLX RFD s s s s
N L 1 2 3 4
VAILLANT N L C SW/L
VRT 9083QT, VRT 9084QW s s s s
9 F 7 8
DATE 30/04/2001 TITLE:- TERMINAL DESIGNATIONS FOR ROOM THERMOSTATS WITH VAILLANT BOILERS USING EITHER
ZONE VALVES OR 3 PORT MID-POSITION VALVE SINGLE BOILER APPLICATION = QQ
DRAWING No. CD0/0/0/0/6 NOTE:- USE ONLY AS GUIDE FOR THERMOSTAT TERMINALS ON MULTI BOILER APPLICATIONS
ROOM THERMOSTAT TERMINAL DESIGNATION
COMMON SWITCHED NEUTRAL FOR EARTH
LINE IN LINE OUT ANTICIPATOR
6 9 5 E
VAILLANT VRT 30 3/L 4/* 5/N
DRAYTON DIGISTAT 1 1 3
DRAYTON RTS1, RTS2 L 3 N
HONEYWELL T6360 1 3 2
SIEMES  LANDIS & STAEFA RAD1 1 2 E
DANFOSS RMT 230 1 2 4
DANFOSS RET 230 L 3 N
GRÄSSLIN TOWERCHRON RS 1 3 4
SUNVIC TLX2000 series 3 1 4 E
POTTERTON PRT2 TL H N
HORSTMANN HRT2 1 3 4
DATE 30/04/2001 TITLE:- TERMINAL DESIGNATIONS FOR CYLINDER THERMOSTATS WITH VAILLANT BOILERS USING EITHER
3 PORT MID-POSITION VALVE OR ZONE VALVES = Q
DRAWING No. CD0/0/0/0/7 NOTE:- USE ONLY AS A GUIDE FOR CYLINDER STAT TERMINALS ON MULTI BOILER APPLICATIONS
CYLINDER THERMOSTAT TERMINAL DESIGNATION
3 PORT MID-POSITION VALVE SYSTEM 2 x 2 PORT ZONE VALVE SYSTEM
1 - COMMON 2 - SWITCHED 3 - SWITCHED EARTH 1 - COMMON 2 - SWITCHED 3 - SWITCHED EARTH
LINE IN BRAKE ON RISE MAKE ON RISE LINE IN BRAKE ON RISE MAKE ON RISE
7 4 8 E 7 10 N/U E
DRAYTON HTS3 C 1 2 C 1 2
DANFOSS ATC 1 2 3 E 1 2 3 E
GRÄSSLIN TOWER CS1 RED BK YL RED BK YL
HONEYWELL L641 C 1 2 C 1 2
HORSTMANN HTC1 1 2 3 1 2 3
SIEMENS  LANDIS & STAEFA RAM1 1 2 3 E 1 2 3 E
SUNVIC SA 2452 3 1 2 3 1 2
DATE 02/04/2001 TITLE:- SCHEMATIC OF WIRING A VAILLANT BOILER TO A TIMER AND ROOM THERMOSTAT
DRAWING No. CD0/0/0/0/10
FOR BOILER TERMINAL LAYOUT SEE SPECIFIC BOILER INSTALLATION INSTRUCTIONS
20 VDC
N L 3 4 5 7 8 9
DO NOT USE IN UK
MAINS
SUPPLY N
230 V~ L
50 Hz 3 amp SWITCH ROOM
FUSE CONTACTS THERMOSTAT
t t
l s l s
N
CLOCK
DATE 06/04/01 TITLE:- VAILLANT BOILER WITH HOT WATER CYLINDER AND HEATING ZONE BY 3 PORT MID-POSITION DIVERTER VALVE
DRAWING N0. CD1/1/1/0/4 (SCHEMATIC  Y PLAN TYPE SYSTEM)
FOR BOILER TERMINAL LAYOUT SEE SPECIFIC BOILER INSTALLATION INSTRUCTIONS
MAIN SUPPLY 3 AMP FUSED BOILER 2 CHANNEL PROGRAMMER
N L E 1/N 2/L 3 4 5 HW CH HW CH
E N L OFF OFF ON ON
N/U
1 2 3 4 5 6 7 8 9 10
EARTHS NOT SHOWN FOR CLARITY
1 2 3 COM SW/L N
CYLINDER ROOM
THERMOSTAT THERMOSTAT
NOTE:- WIRE SHOWN BROWN
CAN BE WHITE ON
3 PORT MID-POSITION VALVES
A B
AB


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