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Horstmann 425 range, Руководство по установке

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The 425 range of traditional electro-mechanical programmers offer a simple 
yet effective way of controlling hot water and central heating with the twin 
circuit Diadem and Tiara also allowing independent control of both.

INSTALLATION AND CONNECTION SHOULD ONLY BE CARRIED OUT BY A SUITABLY QUALIFIED PERSON 

AND IN ACCORDANCE WITH THE CURRENT EDITION OF THE IEE WIRING REGULATIONS.

WARNING : ISOLATE MAINS SUPPLY BEFORE COMMENCING INSTALLATION

Horstmann 425 range  

Installation Instructions

Содержание 425 range

Страница 1: ...th the twin circuit Diadem and Tiara also allowing independent control of both INSTALLATION AND CONNECTION SHOULD ONLY BE CARRIED OUT BY A SUITABLY QUALIFIED PERSON AND IN ACCORDANCE WITH THE CURRENT EDITION OF THE IEE WIRING REGULATIONS WARNING ISOLATE MAINS SUPPLY BEFORE COMMENCING INSTALLATION Horstmann 425 range Installation Instructions ...

Страница 2: ...425 electro mechanical programmers are suitable for mounting on a flat surface only they must not be positioned on a surface mounted wall box or on unearthed metal surfaces ELECTRICAL CONNECTIONS All necessary electrical connections should now be made Flush wiring can enter from the rear through the aperture in the backplate Surface wiring can only enter from beneath the programmer and must be sec...

Страница 3: ...g the interlock located at the top of the HW programme slide First select Twice on the HW selector slide then select the Off position on the CH selector slide this will reveal the screwdriver slot in the interlock Position the screwdriver in the slot and rotate anti clockwise until the slot is almost horizontal a stop will prevent the interlock from being turned too far Check for correct operation...

Страница 4: ...ILER PUMP E N L MAINS SUPPLY N L 1 2 3 4 5 6 ROOM STAT N C CALL SAT N N L L BOILER PUMP CYL STAT CALL SAT C E N L MAINS SUPPLY N L 1 2 3 4 5 6 ROOM STAT N C CALL SAT CYL STAT CALL SAT C N L PUMP BOILER ZONE VALVE ZONE VALVE E N L MAINS SUPPLY N L 1 2 3 4 5 6 N C CALL SAT BR BL W GR 0 CALL SAT C N N L L BOILER PUMP ROOM STAT CYL STAT ZONE VALVE E N L MAINS SUPPLY N L 1 2 3 4 5 6 N C CALL SAT CALL S...

Страница 5: ...al slots in the backplate Tighten the two captive retaining screws to fix the unit securely then switch on the mains supply The tappets can now be set to suit the user s requirements Please refer to the user s guide provided GENERAL INFORMATION Before handing over the installation to the user always ensure that the system responds correctly on all control programmes and that other electrically ope...

Страница 6: ... Thermoplastic flame retardant Dimensions 153mm x 112mm x 33mm Clock 24 hour Programme selection 24 Hours On all day Twice Off Operating periods per day Two Override Instant advance Backplate 9 Pin terminal connection Leaflet number P27673 Issue 17 6 Email sales horstmann co uk Website www horstmann co uk Horstmann Bristol BS4 1UP Tel 0117 978 8700 Fax 0117 978 8701 Horstmann is a trading name of ...

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