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Duct smoke housing, 2-wire

Mounting | en

11

Bosch Security Systems, Inc.

Installation manual

2017.04 | 7.0 | F.01U.071.685

1

2

Figure 3.8: Foam gaskets

1 Sample/exhaust tube posts

2 Foam gaskets

7.

Mount the housing to the jack nuts using the supplied machine screws (see the following
figure). Remember that over‑tightening the screws can cause excessive bowing of the
duct.

Figure 3.9: Mounting the housing

1 Duct

2 Housing

3 Machine screws (supplied)

8.

Determine and remove the appropriate wire knockouts for power and for any remote
indicator wiring (see the following figure).

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Содержание D340

Страница 1: ...Duct smoke housing 2 wire D340 D340P en Installation manual ...

Страница 2: ......

Страница 3: ...and damage to equipment Install test and maintain the module according to these instructions NFPA codes local codes and the authority having jurisdiction AHJ Failure to follow these instructions can result in failure of a detector to initiate an alarm event Bosch Security Systems Inc is not responsible for improperly installed tested or maintained devices NFPA 72 requires that you perform a comple...

Страница 4: ...stem has a D344 RT Remote test indicator plate you can reset the system using the key switch The D340 includes One housing power card and cover assembly Two 10 24 x 1 in machine screws for mounting Two 10 24 jack nuts One exhaust tube Two tube clamps with four screws Two foam gaskets Two air filters One drilling template One cover gasket The D340P also includes a smoke detector head and 1 5 ft 0 5...

Страница 5: ...ble for purchase 2 3 Setting the jumpers For the locations of the tamper jumper and reset jumper on the power card see the following figure Figure 2 1 Jumper locations 1 Power card 2 Tamper jumper 3 Reset jumper The tamper jumper enables or disables the housing cover tamper switch When this jumper is enabled a trouble is indicated if the cover is removed The reset Jumper enables or disables the re...

Страница 6: ...on Duct smoke housing 2 wire 2017 04 7 0 F 01U 071 685 Installation manual Bosch Security Systems Inc For enabled and disabled jumper positions see the following figure Figure 2 2 Jumper settings 1 Disabled 2 Enabled ...

Страница 7: ...se a velocity meter to check the air velocity in the duct 3 2 Determining mounting location To obtain a representative air sample avoid stratification and dead air space These conditions can be caused by return duct openings sharp turns connections or long uninterrupted runs For this reason place the duct housing in the range of six to ten times the width of the duct from any uninterrupted run see...

Страница 8: ... tubes include an end plug that must be installed in the narrow end of the tube see the following figure Figure 3 3 Sample tube 1 Set screw 2 End plug When using the D344 1 5 in installations where the duct width is between 12 in 31 cm and 18 in 46 cm cover some of the sample holes The D344 1 5 has 19 sample holes but only 12 are required for normal installations Depending on the length you might ...

Страница 9: ...ssible moisture drainage see the figure following step 4 of the following procedure To combine sample tubes 1 Remove the roll pin and set screw from one of the sample tubes 2 Remove the end plug from the other sample tube 3 Push the flared end over the sample tube you want to lengthen 4 Align the holes insert the set screw and reinstall the end plug For example if you want a 7 ft 2 m sample tube c...

Страница 10: ...move any remaining debris 3 Remove the template 4 Place a 10 24 jack nut see the following figure in each of the 3 8 in 9 5 mm holes Figure 3 7 Jack nuts 5 Insert the 10 24 x 1 in machine screws into the jack nuts and firmly tighten This attaches the jack nuts to the duct You might have to hold the jack nuts with a installer wrench or a pair of pliers while tightening the screws to stop the jack n...

Страница 11: ...skets 7 Mount the housing to the jack nuts using the supplied machine screws see the following figure Remember that over tightening the screws can cause excessive bowing of the duct Figure 3 9 Mounting the housing 1 Duct 2 Housing 3 Machine screws supplied 8 Determine and remove the appropriate wire knockouts for power and for any remote indicator wiring see the following figure ...

Страница 12: ... tubes see the following figure Ensure the sample tube has a plug installed at the narrow end of the assembly Figure 3 11 Exhaust sample tubes 1 Exhaust tube 2 Sample tube 3 Leave end open 4 Insert plug 10 Note the direction of the airflow in the duct The sampling holes in the sample tube must face into the air flow see the first figure below The exhaust tube must exhaust downwind from the sample ...

Страница 13: ...ing holes Figure 3 13 Exhaust sample tube placement 1 Exhaust tube 2 Sample tube 3 Airflow direction 11 Insert the sample and exhaust tubes into the housing ensuring the sample tube holes face into the air flow Ensure the tube alignment point set into the housing 12 Secure the tubes in place using the tube clamps provided see the following figure Figure 3 14 Mounting tubes in housing ...

Страница 14: ...lation manual Bosch Security Systems Inc 1 Exhaust tube 2 Sample tube 3 Housing 4 Tube clamps 13 Place the tube filters over the open ends of the sample and exhaust tubes see the following figure Figure 3 15 Tube filters 1 Exhaust tube 2 Sample tube 3 Housing 4 Tube filters ...

Страница 15: ...ing see the following figure Figure 4 1 D340 terminal wiring 1 Optional external power 24 VAC VDC 2 Remote LED 3 Loop 4 Loop 4 1 Wiring to the D344 RT Notice NFPA Requirement NFPA 72 requires that where in duct smoke detector housings are installed in concealed locations more than 10 ft 3 m above the finished floor or in arrangements where the detector s alarm indicator is not visible to respondin...

Страница 16: ... D340 to D344 RT wiring 1 Voltage in 2 Voltage out 3 Yellow LED 4 Voltage monitor 5 Ground 6 Remote test 7 Green LED 8 Red LED 9 D340 10 D344 RT D307 4 2 Wiring to the D344 RL Notice Do not exceed a distance of 500 ft 152 m between the D344 RL D306 Remote indicator plate and the D340 Use 18 AWG ISO 0 75 mm2 or larger wire ...

Страница 17: ... wire 4 Violet wire 5 Black wire ground 6 Terminal 6 is not used 7 Green wire 8 Red wire 4 3 Wiring to the DRA 5 Notice Do not exceed a distance of 500 ft 150 m between the DRA 5 Remote indicator plate and the D340 housing Use 18 AWG ISO 0 75 mm2 or larger wire Figure 4 4 D340 to DRA 5 wiring 1 Optional external power 24 VAC VDC 2 Remote LED 3 Loop 4 Loop 5 DRA 5 6 White wire 7 Red wire ...

Страница 18: ...ACP 2 Alarm initiating loop 3 EOL resistor 4 5 Wiring for external power Notice Connect the ground wire to the screw on the ground plate when using grounded three wire AC wiring see step 8 of the mounting procedure in Mounting the detector page 9 Figure 4 6 Wiring D340 to FACP and external power 1 FACP 2 Alarm initiating loop 3 External power 24 VAC VDC 4 EOL resistor ...

Страница 19: ...shut down the system Remove these detectors from their duct housing and recheck the duct housing for proper wiring If the problems persist replace the affected smoke detectors or swap them with known good units This determines if the problem is caused by the detector or the duct housing If there is a system alarm with no detector alarms present remove all smoke detectors and check the wiring at ea...

Страница 20: ...reset by moving the keyswitch to the appropriate position and observing the alarm LED 8 Check the overall loading of the alarm loop by measuring the voltage across each EOL resistor This voltage should equal or exceed the minimum specified by the control panel manufacturer 5 2 Maintenance Notice NFPA Requirement NFPA 72 requires a semi annual visual inspection of detector housings Clean or replace...

Страница 21: ...l power 8 5 V to 32 V 24 V Condition Alarm Current limit to 100 mA 170 mA in remote test Standby 0 120 mA 5 mA Trouble 0 170 mA 0 030 mA D340 with D344 RT D344 RL without External Power Loop power 8 5 V to 32 V Condition Alarm Current limit to 100 mA Standby 0 140 mA Trouble 0 170 mA D340 without D344 RT D344 RL without External Power Loop power 8 5 V to 32 V Condition Alarm Current limit to 100 m...

Страница 22: ...l Bosch Security Systems Inc Mechanical Package Dimensions LxWxH 18 9 in x 7 5 in X 7 8 in 48 cm x 19 cm x 19 8 cm Product Dimensions LxWxH 15 5 in x 4 3 in x 6 5 in 39 5 cm x 11 cm x 16 5 cm Material High impact fire retardant polymer plastic Weight Gross Net 4 23 lb 1 92 kg 3 84 lb 1 74 kg ...

Страница 23: ......

Страница 24: ...Bosch Security Systems Inc 130 Perinton Parkway Fairport NY 14450 USA www boschsecurity com Bosch Security Systems Inc 2017 Bosch Sicherheitssysteme GmbH Robert Bosch Ring 5 85630 Grasbrunn Germany ...

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