Assa Abloy Securitron TSH Series Manuale utente

1 500-17700, Rev D

Model TSH

Touch Sense Handle

Installation and

Operation Instructions

2 500-17700, Rev D

Table of Contents

Description ................................................................................................3

UL 294 Access Control Performance Levels ............................................3

Installing the TSH......................................................................................3

RemovetheHandle...............................................................................3

DrilltheMountingandWireWayHoles...............................................4

MountthePlasticBasetotheDoor......................................................5

ConnecttheElectricalWithinthePlasticBase.....................................5

MounttheHandletothePlasticBase..................................................6

ConnecttheElectricalWiringandPowerSupply..................................6

AdjustandTesttheSensitivity..............................................................8

TestandUsetheRedundant(Backup)Switch....................................10

InstallthePlaque................................................................................10

SelecttheElectricLock........................................................................10

ReplacetheSensor..............................................................................11

Operational Security Considerations ......................................................11

Troubleshooting ......................................................................................12

MagnaCare®Lifetime Replacement Warranty ........................................14

3 500-17700, Rev D

Description



The Model TSH touch sense handle is an exit device for doors secured

by electric locks. It can be employed as a door push or pull and is

particularly well suited for aluminum frame glass doors. The assembly

consists of a plastic base with an electronic touch sensor mounted

inside, and an aluminum handle which is used to pull or push the door

open. Touching the handle trips a relay in the sensor, releasing the lock.

The relay contacts are double pole with the second pole being optionally

employed to shunt either an alarm system or the alarm function of an

access control system. The unit’s sensitivity is adjustable. In the

unlikely event of sensor failure, a push switch is mounted on the plastic

base. Depressing the switch has the same effect as activating the

sensor by touch and therefore represents built in safety redundancy.

The TSH cannot be used outside in rain conditions.

As the TSH is normally used to allow egress on an electrically secured

door, make sure that you are complying with applicable building codes

for your area. Check with your local building department and/or fire

prevention department.

UL 294 Access Control Performance Levels

The following are the UL294 access control performance levels:

Destructive Attack = Level 1

Line Security = Level 1

Endurance = Level IV

Standby Power = Level 1

Installing the TSH

Remove the Handle

1. UNSCREW the handle from the plastic base (large Phillips screws) to

reveal the base mounting holes.

2. SET the handle aside.

4 500-17700, Rev D

Drill the Mounting and Wire Way Holes

NOTE 1: There are two different diameters of holes depending on the

door type. Hollow metal doors employ supplied machine

screws and "blind nut" fasteners. The second method is to use

wood screws (not supplied) on a solid wood door.

NOTE 2: If the TSH is used on a solid door, the door must be core

drilled to get the wire way cable to the hinge side for take-off

via the supplied door cord.

NOTE 3: The TSH may not be used on a fire-rated door that requires a

fire-rated latch (the TSH has no latch).

1. USE the supplied template to set drilling positions for the two

mounting holes.

2. For a hollow metal door, DRILL two 3/8" [9.5 mm] diameter

holes only deep enough to get

through the inner side of the door—

not completely through the door.

NOTE: The TSH may be mounted with wood screws (not furnished).

It is recommended that 1-3/4" #14 wood screws with a hex,

pan, oval, or round head be used for mounting.

3. For a solid wood door, DRILL two 3/16"

(5 mm) diameter holes

to a depth of 1-1/4" (32 mm).

NOTE 1: The TSH connects to its power source and to the devices it

controls using a six-conductor cable with push-on connector

(supplied).

NOTE 2: Exit from the door may be via the supplied door cord, which

may be mounted at the top of the door, where it is out of the

way, or via any of many commercially available transfer hinges

or pivots, which serve to route the wiring off the door in a

concealed manner.

NOTE 3: The template for the wire way hole is handed. The TSH can

be vertically flipped to suit a right hand or left hand door, but it

must be known which way the aluminum handle will face in

order to correctly orient the template.

4. DRILL a 3/8" [9.5 mm] diameter hole for the wire way.

5 500-17700, Rev D

Mount the Plastic Base to the Door

1. PERFORM the following to mount the plastic base to a hollow metal

door.

a. LOCATE the two supplied blind nuts.

b. INSERT the nuts with the knurl engaging the edge of each hole.

c. USE the supplied collapsing tool to collapse the nuts (see

Figure 1, “Collapsing the Blind Nuts in a Metal Door”).

d. PLACE a tooth washer under the head of each screw and

MOUNT the plastic base.

e. TIGHTEN the cap screw, but DO NOT OVERTIGHTEN.

Figure 1. Collapsing the Blind Nuts in a Metal Door

Connect the Electrical Within the Plastic Base

NOTE: Electrical connections with the plastic base must be made

before the handle is attached to the base.

1. ROUTE the cable connector across the circuit board and PLUG into

the corresponding connector on the board (see Figure 2, “Plastic

Base and Handle Detail”).

6 500-17700, Rev D

Figure 2. Plastic Base and Handle Detail

Mount the Handle to the Plastic Base

1. INSTALL the handle onto the base using the two large flathead

Phillips screws.

Connect the Electrical Wiring and Power Supply

NOTE 1: Figure 3, “TSH Wiring for Fail Safe Electric Lock,” and

Figure 4, “TSH Double Break Wiring,” show a generic use of

the TSH with any type magnetic lock and power supply.

NOTE 2: When using all Securitron products, the installation is simple.

It should be noted that for any Securitron Magnalock, the red

wire denotes the "+" input and the black wire denotes the “–“

input. Also, the MOV does not need to be installed with any

Securitron Magnalock.

1. CONNECT the electrical wiring in accordance with Table 1, “Sensor

Wiring,” and Figures 3 and 4.

7 500-17700, Rev D

Table 1. Sensor Wiring

Wire Colo

Connection

Red “+” DC Power

Black “–“ DC Power

White Relay Common, Pole 1

Green Relay Normally Closed, Pole 1

Blue Relay Common, Pole 2

Orange Relay Normally Closed, Pole 2

Figure 3. TSH Wiring for Fail Safe Electric Lock

Figure 4. TSH Double Break Wiring

2. CONNECT the power supply outputs to

the rest of the system as

shown above.

8 500-17700, Rev D

Adjust and Test the Sensitivity

NOTE: The TSH is capable of being operated by a wide variety of

power supplies and does not require regulated power.

However, a certain class of power supplies called "switching"

can sometimes interfere with operation. Switching power

supplies can produce line noise which affects the TSH by

rendering it hard to adjust.

1. PERFORM the following if the TSH is hard to adjust.

a. REPLACE the power supply with a linear power supply, if

possible.

b. IF not,

THEN CONNECT one 0.01 mF capacitor between power supply

“+” and earth ground, and CONNECT a second 0.01 mF

capacitor between power supply “–“ and earth ground (see

Figure 5, “Connecting Capacitors to a Switching Power Supply.”

Figure 5. Connecting Capacitors to a Switching Power Supply

2. PERFORM the following test to make sure a problem does not exist

after the installation is complete.

a. TURN UP the sensitivity up to the point just before it is open all

the time.

NOTE: The effect of coupling the reader's energy though a body

into the door tends to increase the sensitivity of the TSH.

b. From the outside of the door, PLACE hand on the reader and

LEAN body against the door to see if the TSH can be triggered.

9 500-17700, Rev D

NOTE 1: Securitron has developed a simple filter circuit which will

absorb the interference from the reader. This requires a

22 millihenry (mH) inductor (DigiKey Part # M7223-ND, JW

Miller Part # 70F222AI). This part can also be purchased

at a local electronics parts supply house or directly from

Securitron.

NOTE 2: Because the inductor is an insulated part, it can lay in the

cavity in the plastic base on top of the circuit board.

c. INSTALL the inductor by identifying the ring terminal with brown

wire, which connects the “antenna” screw on the back side of the

aluminum handle to the circuit board, clipping this wire, and

splicing in the inductor.

3. ADJUST the sensitivity.

NOTE 1: The sensor board has a potentiometer which is accessible

through a “pot access hole” from the top of the aluminum

handle before the plaque has been installed (see

Figure 2). The potentiometer increases sensitivity when

turned clockwise and decreases it when turned

counterclockwise. An LED on the sensor circuit board,

also visible through an access hole in the aluminum

handle (see Figure 2), “follows” the sensor. It is on when

the sensor is releasing the door.

NOTE 2: In the following step, sensitivity is so high that the unit is

on all of the time.

a. ROTATE the potentiometer (POT) clockwise, without touching

the TSH, until the LED just turns on.

b. ROTATE the POT slowly counterclockwise until the LED turns

off, and then another 15 degrees counterclockwise.

c. EXPERIMENT by touching the handle and observing if the LED

comes on.

d. ADJUST the POT, as required.

10 500-17700, Rev D

Test and Use the Redundant (Backup) Switch

NOTE: Pushing the redundant backup button breaks the connection

between white (COM1) and green (NC1) wires just the same

way as if the TSH was touched, providing a "hard" backup

circuit break which releases the controlled fail safe lock.

1. TEST the redundant (backup) switch (red push switch mounted on

the side of the plastic base) for functionality in providing backup in

case of any malfunction or maladjustment of the sensor.

Install the Plaque

NOTE 1: The two supplied plaques provide the following choices:

A legend can be selected, either “PULL” or “PUSH”,

depending on which way the door swings

The back side of either plaque can be selected, which will

yield a plain finish in either a matching or contrasting color

to the color of the handle depending on aesthetic

preference

NOTE 2: A choice of colors is provided for the included screws to match

the selected plaque color.

1. INSTALL a plastic plaque in the slot in the aluminum handle to cover

up the mounting holes and access holes to the circuit board, after the

wiring is complete.

Select the Electric Lock

NOTE 1: The TSH allows silent and immediate egress without the

mechanical action of traditional exit devices, which require

periodic maintenance and replacement.

NOTE 2: Having no moving parts, the TSH possesses an extended

operating life.

NOTE 3: The TSH was designed for use with Securitron's Magnalock.

The Magnalock secures the door with magnetic force only and

therefore has no possibility of jamming and thereby denying

egress. The Magnalock also has internal electronics which

allow it to release very rapidly. When used with the TSH, which

is also a fast device, exit is immediate and the impression a

person exiting gets is that the door is not locked at all.

1. SELECT the appropriate electric lock to use with the TSH.

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