Pentair TRACETEK TTDM-128 User manual

1 / 12THERMAL BUILDING SOLUTIONS EN-TraceTekTTDM128-IM-H5734104/16

TRACETEK

GENERAL INFORMATION

Please read these instructions carefully and keep them in a safe

place (preferably close to the TTDM-128) for future reference.

These instructions must be followed carefully to ensure proper

operation.

The TTDM-128 Leak Detection Master Module has been designed

specifically for use with TraceTek sensing cables, point sensors,

sensor interface modules and relay modules. The TTDM-128 can

directly monitor up to 1500 m (5000 ft) of sensing cable, and large

networks of remote leak detection modules.

An external disconnect device and appropriate branch circuit

protection (no more than 20 amp rating) should be provided for

the TTDM-128. The disconnect device should be clearly marked

as such. Follow all national and local codes and regulations

applicable to the installation.

TOOLS REQUIRED

• Drillorholepunchforelectricalconduitentries

• Phillips(cross-head)screwdriver

• Smallflat-headscrewdriver

INSTALLATION ITEMS NOT SUPPLIED

• Wallfastenersforsurfacemounting(fourscrews)

STORAGE

Keep the module in a dry place prior to installation to avoid

possible damage to internal components.

APPROVALS AND CERTIFICATIONS

General Signaling Equipment

76LJ

TYPE NM

TraceTek Leak DeTecTion MasTer MoDuLe insTaLLaTion insTrucTions

TTDM128

TRACETEK

IMPORTANT WARNINGS AND NOTES

The following icons are used extensively throughout this manual to alert you to important

warnings that affect safety and to important notes that affect the proper operation of the

unit. Be sure to read and follow them carefully.

PRODUCT INFORMATION

TTDM-128 115 Vac +15%, –20%; 50/60 Hz

230 Vac ±10%; 50/60 Hz

TTDM-128-24V 24 Vac +5%, –35% 24 Vdc ±20%

Power consumption 10 VA for TTDM-128

9 VA for TTDM-128-24 V

Installation categories Overvoltage Category II, Pollution Degree 2

Built-in relays Number: Three(Service,Leak,Fault)

Type: DPDT

Rating: 5 A at 250 Vac/24 Vdc

Storage temperature –18°C to 60°C (0°F to 140°F)

Operating temperature 0°C to 50°C (32°F to 122°F)

Enclosure Type 12; IP 54

Humidity 5% - 95% non-condensing

Max Altitude 2000 m (6,562 ft)

2 / 12 THERMAL BUILDING SOLUTIONS

EN-TraceTekTTDM128-IM-H5734104/16

1

LCD display

2

LEDs with icons

3

Test key

4

Silencekey

5

Reset key

6

Menu keys

7

User Interface board

8

4—20 mA board (optional)

9

SensorInterfaceboard

bk

Motherboard

bl

Power supply board

bm

Fuse (500 mA, 250 V, time delay)

bn

Power cable plug and socket

bo

VoltageSelectorSwitch

bp

Sparefuse

bq Ground/earth stud

br

Gland plate

bs

Fault relay cable plug and socket

bt

Leak relay cable plug and socket

ck

Servicerelaycableplugandsocket

cl

4—20 mA port plug and socket

cm

RS-232/485hostportplugand

socket

cn

Sensingcableplugandsocket

co

RS-485TraceTekNetworkPlug

 &Socket

cp

Ribbon cable

cq

HostportRS-232/485selector

cr 9pinRS-232socket

cs Reset pins

ct Volume adjustment

dk LCD contrast adjustment

PL indicates power limited circuits













  





























TRACETEK

WARNING:

Shock hazard. Shut off power before opening enclosure door.

SAFETY INSTRUCTIONS

WARNING:

The installation, adjustment or repair of the TTDM-128 involves risk of contact with potentially

lethal voltages and currents. These Installation Instructions are for use by qualified personnel

only. To reduce the risk of electric shock, do not perform any servicing other than that specified in

the Installation Instructions unless you are qualified to do so.

Refer servicing to qualified personnel.

TheenclosuredoorshouldremainclosedwhiletheTTDM-128unitisoperational.Servicingor

adjustments should not be performed while the circuits are energized.

EXPLANATION OF SYMBOLS USED ON THIS EQUIPMENT

The following symbols are used to identify parts and provide warnings for the TTDM-128 unit.

CAUTION:RiskofElectricShock.Circuitsarelive.Disconnectunitbeforeservicing.

Do not remove cover. Do not open cover while energized. No user serviceable parts

inside. Refer servicing to qualified personnel.

GROUND- This symbol identifies the equipment ground points.

Direct Current

Alternating current

This symbol identifies important safety warnings and notes that affect the proper

operation of the unit.

3 / 12THERMAL BUILDING SOLUTIONS EN-TraceTekTTDM128-IM-H5734104/16

INSTALLING THE TTDM128

IMPORTANT: The TTDM-128 is an electronic unit. During installation, take the following

precautions to avoid damage to its electronic components:

• To avoid damage to the unit, store the TTDM-128 module in its cardboard box until

construction is complete.

• Handlewithcare,avoidmechanicaldamage.

• Keeptheelectronicsdry.

• Ifhandlingcircuitboards,holdthembytheiredgestoavoidphysicalcontactwithelectronic

components.

• Avoidexposuretostaticelectricity.

• Avoid contamination with metal filings, liquids, or other foreign matter.

Select the mounting position.

Choose a location indoors where the module will be protected from the elements and temperature

extremes. Follow all national and local codes and regulations applicable to the installation.

• Removethemodulefromitscarton.Donotremovetheprotectivefilmfromthemembrane

on the front of the unit.

• Opentheenclosuredoorusingaflat-bladescrewdriveroracoin.

WARNING:

IGNITION HAZARD.DonotmounttheTTDM-128unitinahazardouslocation.Sensingcable

connected to the TTDM-128 may (subject to approvals restrictions) be located in hazardous

locations, but the module itself must be in an ordinary area.

IMPORTANT: The TraceTek sensing circuit is power limited, so the TraceTek leader or jumper

cable and the power supply cable must not run in the same conduit.

Mounting the Enclosure

Install the enclosure using four screws (selected by installer) in the prepunched 8 mm (5/16-inch)

mounting holes with centers as shown in Figure 3. If plastic plugs are in the mounting holes,

remove them.

Make sure the rubber elastomeric washers (provided in the shipping box) are aligned to seal

around the mounting screws to maintain the TYPE 12 and IP54 ratings.

300 mm

(11.81 in)

Figure 3

261 mm

(10.26 in)

240 mm

(9.45 in)

200 mm

(7.87 in)

20 mm

(0.79 in)

20 mm

(0.79 in) mounting hole

(four places)

8 mm (5/16 in)

Attachment points

for motherboard

(four places)

4 / 12 THERMAL BUILDING SOLUTIONS

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Making Enclosure Entries Using the Removable Gland Plate

The removable gland plate br on the bottom edge of the enclosure provides a location to feed

wires into the enclosure (Figure 4). The plate is attached with eight screws. Unscrew these to

remove the gland plate, then you can drill or punch holes in the gland plate appropriate for your

application. There is sufficient width for up to five 1/2-inch or M20 holes. Remove all metal filings

and dust from the gland plate before remounting. Take care not to damage the gasket on the gland

plate. You must secure the gland plate ground wire to the chassis ground lug after remounting the

gland plate.

Gland plate

Gasket

Figure 4

Screws

Grounding wire to

attach to ground

lug in enclosure

terminal 62.



CONNECTING THE POWER CABLE AND RELAYS

WARNING:

Shock hazard. Disconnect from live voltage prior to opening enclosure door.

TTDM-128 Power Supply Connection

• OpendoorofTTDM-128enclosure.

• For110/220Vacpowersupply:selecttheappropriatevoltageusingthevoltageselectorswitchbo.

TTDM-128-24 V Power Supply Connection

IMPORTANT: For proper operation of the TTDM-128-24 V, use a power supply whose output is

electrically isolated from the incoming line power and ground.

• EachTTDM-128-24Vrequiresaseparateisolatedpowersupply.

5 / 12THERMAL BUILDING SOLUTIONS EN-TraceTekTTDM128-IM-H5734104/16

TTDM-128 and TTDM-128-24 V Power Wiring Connection

• Thereisnointernalmechanismforde-energizingthepower.Installermustprovideindividual

branch circuit breaker (no more than 20 amp rating and short circuit rating of minimum 5 kVA)

within line of sight.

• Passthepowercablethroughtheglandplateadapter/bushingintotheenclosure.

• Connecttheground/earthwiretotheground/earthstudbq.

• Theground/earthstudismarkedwiththissymbol:

IMPORTANT: Proper grounding/earthing of the TTDM-128 enclosure is important to avoid the

possibility of electromagnetic interference.

• Removethepowercableplugfromthesocketbn on the power supply board bl.

• Connectthepowersupplywirestothepowercableplug.UseL2forneutral,ifpresent.

IMPORTANT:Theterminalscanacceptwires10AWG(4.7sq.mm)orsmaller.Werecommend

12AWG(3.0sq.mm)wires,withbranchcircuitprotectionsizedaccordingly.Cableshouldhavea

temperature rating of 65°C minimum.

• Insertthepowercableplugbackintothesocketbn on the power supply board bl.

VAC IN

Use L2

for neutral,

if present.

Do not

exceed

maximum

voltage

rating

110/220 Vac power supply

24 V power supply





Do not

exceed

maximum

voltage

rating





6 / 12 THERMAL BUILDING SOLUTIONS

EN-TraceTekTTDM128-IM-H5734104/16

Connect the alarm relays.

The TTDM-128 has three relays, for service ck, leak bt, and fault bs. Each relay provides two

Form-C relay contacts, and normally open and normally closed contacts are both provided. The

relays are de-energized to indicate an alarm condition. The illustration shows the relay status in

the alarm (de-energized) state.

The illustrations that follow show how relays can be jumpered together to allow remote

monitoring of the TTDM-128 status with only a single pair of wires. The TTDM-128 de-energizes

its relays to signal an alarm condition. Therefore, loss of power, as well as any other type of alarm,

would signal the remote alarm.

IMPORTANT: Therelayplugscanacceptwires10AWG(4.7sq.mm)orsmaller.Werecommend18

AWG(1.0sq.mm)wires.Cableshouldhaveatemperatureratingof65°C.

IMPORTANT: Maximum load for relays is 5 A.

LEAK RELAYSERVICE RELAY FAULT RELAY

Monitoring circuit

(alarm on open circuit)

Relays wired

in series

Alarm on open circuit

Monitoring circuit

(alarm on closed circuit)

Relays wired

in parallel

Alarm on closed circuit



7 / 12THERMAL BUILDING SOLUTIONS EN-TraceTekTTDM128-IM-H5734104/16

TESTING THE MODULE

Test after supplying power.

• Closeandlatchtheenclosuredoor.

• Supplypowertotheunit.Whenpowerissupplied,thegreenLEDilluminates,andtheunitgoes

through a series of self-tests. After the start-up sequence is complete, the module should

reportafaultalarm(thisisnormal;thereisnosensingcableattached).PresstheredSilence

key to silence the audible alarm. Verify that the display appears similar to the one shown here

(the time and date may be different):

If anything other than the above occurs, check all connections. If unit still does not appear to

operate properly, contact a TraceTek representative for assistance.

• PresstheTestbutton.Themoduleconductsanumberofself-tests.

• Ifthetestsaresuccessfullycompleted,recordthisontheinstallationrecord.

• Turnoffthepowersupplytotheunit.

Test with TTDM-128 test plug.

• Toconductamorecompletetest,usetheTraceTekTTDM-CTPtestplug(packedinaplastic

bag in the TTDM packaging). Insert the plug into the sensing cable socket cn on the sensor

interface board 9.

• Closeandlatchtheenclosuredoor.

• Supplypowertotheunit.Whenpowerissupplied,theunitwillagaingothroughaseriesofself-tests.If

the test plug is in the sensing cable socket, after the module completes the start-up sequence it should

soundanddisplayaleakalarm.PresstheSilencekeytosilencetheaudiblealarm.TheredLeakLED

and green Monitoring LED should both be illuminated, and the screen display should appear similar to

the one shown here (depending on the setting).

• Ifanythingotherthantheaboveoccurs,checkallconnections.Ifunitstilldoesnotappeartooperate

properly, contact a TraceTek representative for assistance.

• Ifthetestissuccessfullycompleted,recordthisontheinstallationrecord.

• Turnoffthepowersupplytotheunit.

• RemovetheTTDM-CTPtestplugandstoreitinasecureplaceforfutureuse.

• Ifnotimmediatelyconnectingthesensingcable,orTraceTeknetwork,closeandlatchtheenclosure.

Depending on the units selected, the leak

distance should be within the values below:

feet: 527 to 548 ft

meters: 160 to 168

zones: 11

8 / 12 THERMAL BUILDING SOLUTIONS

EN-TraceTekTTDM128-IM-H5734104/16

CONNECT THE SENSING CABLE

If the TTDM-128 will be used to monitor a sensor directly, follow these instructions to connect

the sensor to the TTDM-128. If the TTDM-128 is being used only as a network master, skip to

Connecting the TraceTek Network.

Prepare sensing cable.

Ensure that the sensing cable has been installed and tested in accordance with the instructions

provided with the cable.

Make connections.

WARNING:

Shock hazard. Disconnect from live voltage prior to opening enclosure door.

• Confirmthatpowertotheunithasbeenshutoff.

• Opentheenclosuredoor.

• FeedtheendoftheTraceTekLeaderCable(orJumperCable)throughtheglandplatebr

adapter/bushing into the enclosure.

• Removethesensorcableplugcn from the socket on the sensor interface board 9.

• Connectthefourcolor-codedwirestotheSensorInterfaceplug.

Important: Observe the color coding. If wires are not connected to the proper terminals, the

leak detection system cannot operate properly.

• InsertthesensingcableplugbackintothesocketontheSensorInterfaceBoard9.

SENSOR CABLE

Black

Yellow

Green

Red



Install zener barrier, if applicable.

WhensensingcablewillbelocatedinClassI,Division1(Zone0orZone1inEurope)hazardous

locations, approval agencies require that the sensing cable be protected with a zener barrier

between the sensing cable and the TTDM-128 module. Contact TraceTek to select the proper zener

barrier.

Wheninstallingazenerbarrier,wireitinaccordancewiththeinstructionsprovidedwiththekit.

Class I, Division 1

(Zone 0 or Zone 1 in Europe)

Hazardous Location

Ordinary Area

Zener

barrier

Leader or jumper cable

Jumper cable

Sensing cable

TTDM-128

TRACETEK

9 / 12THERMAL BUILDING SOLUTIONS EN-TraceTekTTDM128-IM-H5734104/16

CONNECTING THE TRACETEK NETWORK

If the TTDM-128 will be used as the network master in a TraceTek network, follow these

instructions to connect the communication wiring.

IMPORTANT:SomeTraceTeknetworkconfigurationswillrequiredifferentconnectionsforthe

communication wiring. Please refer to the TTDM-128 User Manual (H56853) for further details.

Prepare communication cable.

Ensure that the communication cable has been installed and tested.

Make connections.

WARNING:

Shock hazard. Disconnect from live voltage prior to opening enclosure door.

• Confirmthatpowertotheunithasbeenshutoff.

• Opentheenclosuredoor.

• Feedtheendofthecommunicationcablethroughtheglandplatebr adapter/bushing into the

enclosure.

• RemovetheJ10cableplugco from the socket.

• Connectthepositivewiretoterminal3(485+)andthenegativewiretoterminal4(485–)ofthe

J10cableplug.

• Connecttheshieldwiretotheroundlugbq.

IMPORTANT: Observe the polarity. If wires are not connected to the proper terminals, the leak

detection system cannot operate properly.

• InserttheJ10cableplugbackintothesocketco.

• PlacethepositiveandnegativewireintheFerriteclamp.Donotplacetheshieldwireinsidethe

clamp. Close the clamp by securing its latch to the snaps.

RS-485 cable to next TraceTek module.



RS-485 (–)

RS-485 (+)

SHIELD



Ferrite clamp

10 / 12 THERMAL BUILDING SOLUTIONS

EN-TraceTekTTDM128-IM-H5734104/16

CONNECTING TO A HOST COMPUTER

Thereare3waystoconnecttheTTDM-128toahostcomputer:hard-wiredRS-232,hard-wired

RS-485,orstandardmodularRS-232cable.Forpermanentinstallations,thehard-wiredmethodis

recommended(eitherRS-232orRS-485asnecessary).ThemodularRS-232cableshouldbeused

only for temporary connections by trained technicians.

Make connections.

WARNING:

Shock hazard. Disconnect from live voltage prior to opening enclosure door.

• Confirmthatpowertotheunithasbeenshutoff.

• Opentheenclosuredoor.

• Feedtheendofthecommunicationcablethroughtheglandplatebr adapter/bushing into the

enclosure.

• RemovetheJ13cableplugcm from the socket.

ForRS-232connection:

• ConnecttheRX,TX,RTS,CTSandDGNDwiretoterminals5,6,7,8and10respectively.

• Setthehostportselectorswitchcq on the User Interface board 7totheRS232position.

ForRS-485connection:

• Connectthepositivewiretoterminal5(RX/A)andthenegativewiretoterminal6(TX/B).

 Setthehostportselectorswitchcq on the User Interface board 7totheRS485position.

• Connecttheshieldwiretothegroundinglugbq.

• InserttheJ13cableplugbackintothesocketcm.

RS-232

cable

RS-485

cable

DGND

CTS

RTS

RS-485 (–)

RS-485 (+)

SHIELD





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