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D9142F

24VDC Power Supply

Operation and Installation

Table of Contents:

I.

Description   ...................................................................................................................2

II.

Installation

........................................................................................................ 3

A.

Installing the D9142F .................................................................................... 3

1.  Mounting the Enclosure .......................................................................... 3

2.  Installing the D9142M .............................................................................. 4

3.  Installing the D1601 ................................................................................. 4

B.

Connecting AC Power .................................................................................. 4

C.

Batteries ....................................................................................................... 7

1.

Battery Connection ............................................................................... 7

2.

Battery Supervision .............................................................................. 8

3.

Stand-by Battery Calculations ............................................................. 8

D.

Connecting Auxiliary Devices ..................................................................... 9

E.

Power Supply Supervision .......................................................................... 9

F.

LED Indicators ............................................................................................ 11

G.

Switched Output Control ........................................................................... 12

III.

Specifications .................................................................................................... 13

Summary of Contents for 24VDC

Page 1: ...3 1 Mounting the Enclosure 3 2 Installing the D9142M 4 3 Installing the D1601 4 B Connecting AC Power 4 C Batteries 7 1 Battery Connection 7 2 Battery Supervision 8 3 Stand by Battery Calculations 8 D Connecting Auxiliary Devices 9 E Power Supply Supervision 9 F LED Indicators 11 G Switched Output Control 12 III Specifications 13 ...

Page 2: ...2F and to the control communicator The D9142F supervises all critical circuits of the power supply It provides several installation and service outputs for troubleshooting Five different trouble conditions can be recognized and optionally communicated to the central station These trouble conditions are also annunciated by on board and off board LED indicators A summary trouble relay can be program...

Page 3: ...cally is installed adjacent to the Control Communicator It is compatible with all Bosch Security Systems Inc Control Panels but should only be used with a listed panel for fire alarm applications For longer stand by times a second battery enclosure may be needed Mounting the Enclosure The D8109L is a louvered version of the standard D8109 UL listed Fire Enclosure It is supplied with the standard D...

Page 4: ...g tabs provided Hook the skirt on the top two Connect power to the 120 VAC input terminals following these steps 1 Remove the knockout and install appropriate hardware for connection to conduit 2 Remove the protective terminal cover marked CAUTION 120 VAC 3 Pull the 120 VAC Power wires through the conduit hardware installed in the knockout 4 Connect the wires as marked on the board 5 Replace the p...

Page 5: ...Turn off the 120 VAC circuit breaker before testing or replacing Fuse F1 Leaving the 120 VAC circuit breaker on can cause injury or death by electrocution If the green AC power LED is off the 120 VAC circuit breaker is in the ON position and the building lights and other electrical devices still operate Fuse F1 may be open To replace the fuse follow these steps 1 Turn OFF the 120 VAC dedicated cir...

Page 6: ...AC Power for the Communicator The D9142F can also provide 16 5 VAC 40 VA to power the control communicator The yellow 2 conductor wiring harness supplied in the D9142M package is used for connecting power to the control panel This harness connects to the J9 connector on the D9142F see Figure 4 The other end is connected to terminals 1 and 2 of the control panel This option eliminates the D1640 tra...

Page 7: ...s 1 Switch off the AC Power to the D9142F 2 Place the batteries in the bottom of the enclosure 3 Connect red battery leads to red battery terminals and black battery leads to black battery terminals 4 Plug the battery harness into connector J7 on the D9142F as shown in Figure 5 Here are some important safety tips Connect no more than one battery on a single lead with the supplied battery harness I...

Page 8: ...erage needed to achieve the desired standby time or current output Selecting the Correct Batteries Selecting the correct batteries for the system depends on the total continuous current draw of all devices the amount of stand by time required the amount of intermittent current draw in alarm needed and finally the time it takes to recharge the batteries Table 1 shows the amount of current at 24 VDC...

Page 9: ...vices Connect device wiring as shown in Figure 6 Power Limited and Non Power Limited wiring inside the enclosure should be kept separate Maintain at least 1 4 spacing between all field wiring and the AC and Battery harnesses see Figure 1 Be sure to observe correct polarity when connecting devices see Technogram F01U036292 for a list of compatible devices The terminals 8 and 9 are not functional Po...

Page 10: ...he power supply supervision conditions to be communicated Connect the appropriate wire to the positive side of the communicator s zone input Install the communicator s end of line resistor across the communicator s screw terminals A ground reference must be established between the power supply and the communicator Connect a wire from the D9142F terminal 7 Out to a common terminal on the communicat...

Page 11: ... Normally this LED should be off POWER OUTPUT LED The LED lights when the power output is normal The LED turns off when there is a fault such as a short circuit condition on loop LED Output Connector The D9142F has two status LEDs that are visible through the door of the D8109L enclosure The AC LED top and Trouble LED bottom have the same meaning and actions as the AC LED and Trouble LED explained...

Page 12: ...hed Restoral 23 1 to 24 7 VDC Summary Trouble Relay Form C Rated for 2 A 12 or 24 VDC Power Cut 1K Ω maximum Communication Header Open collector output Current sink 5 mA max Operating Temperature 32 122 F Humidity 85 at 86 F Non Condensing Batteries 12 VDC 7 Amp hour Sealed Lead Acid Compatible panels D7212 D8112 D8124 D9112 D9124 120 VAC Fuse Rating Type 3 AG 4 Amp 250V SB RPN 57 01338 004 UL Lis...

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