Ac Power Supply; Figure 15. Switched Mode Power Supply (Smps) Connections; Regional Power Cable Colours - Honeywell Touchpoint Plus Wireless Technical Handbook

MAN0984_Iss 2_09/19
3020M5001_2
Electrical Power And Interfacing

5.1.1 AC Power Supply

To confirm or alter the pre-set operating voltage, open the system front cover, locate the SMPS transformer
on the left side and, if required, change the voltage selector using a screwdriver at the point shown by the
yellow and black label below:
Note: Mains Earth (Ground) must only be connected to the protective earth (ground) rail, and not to the
SMPS.
Regional power cable wires are coloured in accordance with the following code:
Wire
Protective Earth (Ground)
Isolated Earth (Ground)
Neutral
Line
Before making any electrical connections or changes ensure that:
•
the mains supply isolator switch is in the Off position
•
the system is set up to operate at the correct voltage
Refer to Ch.3.1.1 Power Requirements for further information on system electrical specifications and power
requirements.
Note 1: Input voltage of less than DC 23.5 V will fail to charge the backup battery, and it will cause battery un-
chargeable warning.
Note 2: Field detectors may need their own power supplies if they exceed 15 W per channel to a combined
total of 40 W. Refer to Ch.5.2.5 mA Input Module Connections.
AC Line
AC Common
F – Ground (Not Used)
-Ve DC
-Ve DC
+24 VDC
+24 VDC

Figure 15. Switched Mode Power Supply (SMPS) Connections

Europe
Green + Yellow
— Green + Yellow
Blue
Brown Blue, Red, or Black
Table 5.

Regional Power Cable Colours

AC Input
DC Output
Protective
Earth
System Ground Bus Bar
(Ground)
USA CAN
Green Green
Green
White White
Red or Black
24
Touchpoint Plus Wireless
Technical Handbook
India/Pakistan
Green
—
Black
Red, Yellow, or
Blue