Cisco 3905 Manuale d'uso - Pagina 8

Sfoglia online o scarica il pdf Manuale d'uso per Telefono IP Cisco 3905. Cisco 3905 16. Cisco systems telephone user manual
Anche per Cisco 3905: Manuale d'uso (14 pagine), Manuale d'uso (40 pagine), Manuale d'uso (2 pagine), Manuale d'uso (3 pagine), Caratteristiche (6 pagine), Manuale d'uso (40 pagine), Caratteristiche (11 pagine), Manuale d'uso (36 pagine), Manuale di riferimento rapido (2 pagine), Utilizzo del manuale (16 pagine), Manuale d'uso (2 pagine), (Portoghese) Manuale di avvio rapido (1 pagine)

8 • UK

2.5 EFC21/25 coupled directly to a gas fireplace control

Description

Example showing how a EFC21/25 controller can be connected directly to a gas fire without having

to use an extra SMG. This type of installation requires a fire with a controller that has flame-detec-

tion and automatic ignition – or a permanent pilot light. If there is insufficient chimney draught

(detected by the fan pressure switch) the controller will switch off the gas fireplace (potential-free

switch).

• Connect the mains earth to the earth terminal of the chimney fan.

• Connect the chimney fan and pressure switch to terminals 1–5.

• Optional external ON/OFF switch is connected to terminals 8–9.

• Connect the optional Air inlet monitoring to terminals 10–11. If this monitoring

is not mandatory then a jumper must be fitted across terminals 10–11.

• Connect start/activate burn control to terminals 12–13 (potential-free switch).

• Connect the optional HIGH flame setting (step 2 – EFC25 only) to terminals

14–15 (potential-free switch).

• Connect mains supply to terminals marked "Supply".

Wiring diagram EFC25

Fig.10a

Wiring diagram EFC21

Fig.10b

3001736-EFC21-EFC25-UK