urmet domus 788/21 - Door Phone Power Unit Replacements (1840;22, 787;4)

INSTRUCTIONS FOR URMET DOMUS DEVICE INTERCHANGEABILITYBASIC SYSTEM DIAGRAMS
sec.1f
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7
DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation Diagrams
REPLACING DOOR PHONE POWER UNIT Ref. 1840/22 WITH Ref. 1090/850
REPLACING DOOR PHONE POWER UNIT Ref. 787/4 WITH Ref. 786/4
REPLACING DOOR PHONE POWER UNIT Ref. 1840/22 WITH Ref. 1090/850
The 1090/850 power unit can replace the obsolete 1840/22 model.
The terminals correspond as follows:
REPLACING DOOR PHONE POWER UNIT Ref. 787/4 WITH Ref. 786/4
The Ref. 786/4 power unit can replace the obsolete Ref. 787/4 model.
The terminals correspond as follows:
Ref. 1840/22 Ref. 1090/850
~230
~24
~24
+ (12)
- (12)
-
-
0
~230
Not available
Not available
Vout
GND
P1
P2
0
OUTPUTS
POWER
Notes
-
(#)
(#)
-
-
(#) If a 24Vac output is needed, use a transformer with minimum output current of 0.2 Aac
(∗) because the device 1840/22 actually outputs approximate 14.3 Vdc
Remove the
jumper between
terminals
P1 and P2 (*)
Ref. 787/4 Ref. 786/4
110
230
~0
~12
+6
-6
-J
PS
PS1
1/~
SN
NA
NC
C
0
110
230
~0
~12
+6
-6
PS1
PS
-J
1/~
NA
SN
NC
C
0
OUTPUTS
POWER