Vaillant VCW-sine 18 T3 W Manuel d'utilisateur

Installation and user instructionsENTOWERCHRON QM1 and QM22ONOFF

10It is important that you always refer to the Boiler Manufacturers Instructions concerning electrical wiring before using the information contained i

EN11Boiler Terminal NumbersSaunier Duval SD 625M see special circuitVaillant VCW 20/1 T3W 1MP 2R 3 4Vaillant VCW 25/1 T3W 1MP 2R 3 4Vaillant VCW Sine

12Always use special 24V thermostat supplied with this boiler, and wire as indicated in boiler instructions substituting time switch terminals A and B

EN13“TOWERCHRON QM2”Applications (QM2)• Fully pumped central heating systems using mid position valves, spring return valves or “power open”, “power

14Setting time of dayRotate the minute hand of the clock until the arrowhead in clock face aligns with the correct time on the outer dial, i�e� 8 = 8�

EN15Internal wiring diagram (QM2)N LHWOFFCHOFFHWONCHON1 2 3 4220/240V AC 50 Hz fused 3A• Carry out wiring installation using appropriate diagram as s

16Wiring installation instruction (QM2)Gravity Hot Water / Pumped Heating - System with Room Stat to Control PumpThe following wiring diagrams are sch

EN17Gravity Hot Water / Pumped Heating System - Two Port Valve in D�H�W� with Room and Cylinder StatsNote: Only valves with “change over“ end switches

18Fully Pumped System using 2 Port Spring ReturnFully Pumped System using 3 Port Mid-Position ValveTOWERCHRON QM2EARTH NEUTRAL LINEHEATING VALVEHOT W

EN19Conversion Chart for different Room / Cylinder ThermostatsCylinder Stats Room StatsE COMDEMSATTOWER CS1REDBLKYELACL HTS 2DRAYTON CS1 E 1 2 3HONEYW

2Safety Instructions �������������������������������������������������������������3What is a programmer? ���������������������������������������������

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EN3Safety Instructions• Installation must be carried out by a qualied electrician and conformed to current IEE Regulations!• Mains supply must be s

4What is a programmer?Programmers allow you to set ’On’ and ’Off’ time periods� Some models switch the central heating and domestic hot water on and o

GBEN5SpecicationsInstallation double insulatedRating 5 amps (2 amps) at 240 volts 50 hertzFitting surface mounted or to a single gang plaster depth s

6“TOWERCHRON QM1”Applications (QM1)• Any simple time switching application up to the stated rating�• Domestic heating system where both heating and

EN7Programming your “TOWERCHRON QM1”Setting time of dayRotate the minute hand of the clock until the arrowhead in clock face aligns with the correct t

8Internal wiring diagram (QM1)N=~LOFF ON1 2 3 4• Carry out wiring installation using appropriate diagram as shown�• When the TOWERCHRON QM1 timeswit

EN9Simple circuit for for domestic central heating boiler with gravity fed hot water supplyThis diagram is correct for mains operated systems� The lin