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DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation - Urmet

DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation - Urmet

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REPLACING <strong>DOOR</strong> <strong>PHONE</strong> POWER UNIT Ref. 1840/22 WITH Ref. 1090/850<br />

REPLACING <strong>DOOR</strong> <strong>PHONE</strong> POWER UNIT Ref. 787/4 WITH Ref. 786/4<br />

REPLACING <strong>DOOR</strong> <strong>PHONE</strong> POWER UNIT Ref. 1840/22 WITH Ref. 1090/850<br />

The 1090/850 power unit can replace the obsolete 1840/22 model.<br />

The terminals correspond as follows:<br />

POWER<br />

OUTPUTS<br />

Ref. 1840/22 Ref. 1090/850<br />

0<br />

0<br />

~230<br />

~230<br />

~24 Not available<br />

~24 Not available<br />

+ (12)<br />

Vout<br />

- (12)<br />

GND<br />

REPLACING <strong>DOOR</strong> <strong>PHONE</strong> POWER UNIT Ref. 787/4 WITH Ref. 786/4<br />

The Ref. 786/4 power unit can replace the obsolete Ref. 787/4 model.<br />

The terminals correspond as follows:<br />

<strong>DOOR</strong> <strong>PHONE</strong> - <strong>VIDEO</strong> <strong>DOOR</strong> <strong>PHONE</strong> <strong>SYSTEMS</strong>: <strong>Installation</strong> Diagrams<br />

-<br />

-<br />

P1<br />

P2<br />

Notes<br />

(#) If a 24Vac output is needed, use a transformer with minimum output current of 0.2 Aac<br />

(∗) because the device 1840/22 actually outputs approximate 14.3 Vdc<br />

POWER<br />

OUTPUTS<br />

-<br />

-<br />

(#)<br />

(#)<br />

-<br />

Remove the<br />

jumper between<br />

terminals<br />

P1 and P2 (*)<br />

Ref. 787/4 Ref. 786/4<br />

0<br />

0<br />

110 110<br />

230 230<br />

~0<br />

~0<br />

~12 ~12<br />

+6<br />

+6<br />

-6<br />

-6<br />

-J<br />

-J<br />

PS<br />

PS<br />

PS1 PS1<br />

1/~ 1/~<br />

SN SN<br />

NA NA<br />

NC NC<br />

C<br />

C<br />

sec.1f−−−− 7<br />

INSTRUCTIONS FOR URMET DOMUS DEVICE INTERCHANGEABILITY<br />

BASIC SYSTEM DIAGRAMS

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