Haes Technologies SZAOV Master Card PCB for SZAOV-1001 Smoke Vent Control Panel TPCA034

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£ 161 06
(Incl. VAT) RRP: £193.27
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About this product

The Haes Technologies TPCA034 is the master card for the SZAOV-1001 single zone smoke vent control panel. It suits engineers repairing or servicing an automatically opening vent system. The card takes the fire zone, vent switches and fireman inputs, and drives 28VDC vent actuators at up to 8A.

Key features

  • Runs the vent from a fire signal – conventional / twin wire fire alarm zone input
  • Drives the actuators – dual polarity reversal outputs, 28VDC, max 8A
  • Firefighter control – input for an external 3-way fireman control switch
  • Everyday vent control – local switch moves the vent in 10% steps in standby
  • Holds magnetic vents – maintained 28VDC AUX output, max 1 Amp
  • Reports to other systems – fire and fault changeover relays, 3A at 30VDC

For installers

  • Power: 28VDC input from the panel's power supply module, 22 to 32VDC, max 5 Amps; battery charging 27.3VDC at 20C, 700mA.
  • Cabling: detector circuit with 6K8 end of line resistor, 50mA monitoring limit, fused at 500mA; open and close inputs use 2K7 alarm and 6K8 end of line resistors.
  • Compatibility: SZAOV-1001 panel; conventional detectors Apollo S65 and Orbis, Hochiki CDX, Nittan EV.
  • Standards: fault relay normally energised (failsafe), changing over on any fault or total power loss.

Frequently asked questions

Which panel is it for?

The Haes SZAOV-1001 single zone automatically opening vent control panel. It is that panel's master card.

How long do the actuators run?

For a configurable 10 to 300 seconds, 60 seconds by default. Set it to the time the vent needs to open or close fully.

Can it be used with sounders on the detector circuit?

Yes, in Twin Wire mode, set by DIL switch 4. The 24v sounders then run in reverse polarity and the detectors need 'Sav-Wire' bases.

Which detectors work on the zone?

Conventional detectors compatible with the panel: Apollo S65 and Orbis, Hochiki CDX and Nittan EV.

Can the vent be opened when there is no fire?

Yes. In standby conditions a local 3-way switch moves it in 10% steps, and the manual inputs can also act as thermostatic control.

£ 161 06
RRP: £193.27 Save £32.21
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Technical Details
Specifications
Brand
Haes Technologies
Model
TPCA034
Manufacturer Part Number (MPN)
TPCA034
Product type
TPCA034 master card for the SZAOV single zone automatically opening vent control panel
Supply input limits
Maximum input current 5 Amps; input voltage 22 to 32VDC
Supply input
Monitored 28VDC input from power supply module, diode protected for reversal and independent short circuit
Detector circuit
Conventional / Twin Wire fire alarm zone circuit input (latching by default)
Detector circuit end of line
6K8 end of line resistor
Detector circuit monitoring
Monitoring current limit 50mA, fused at 500mA
Conventional/twin wire detector compatibility
Apollo: S65, Orbis. / Hochiki CDX. / Nittan EV
Twin Wire mode
Selected by DIL switch 4 on the main PCB
Twin Wire sounders
Allows 24v alarm sounders in reverse polarity on this circuit
OPEN / CLOSE inputs
Inputs from an external fire or SZAOV panel to force the vent open or closed
OPEN / CLOSE resistors
2K7 alarm, 6K8 Ohm 5% 0.25W end of line resistor
MANUAL inputs
For a local 3-way vent control switch; moves the vent by 10% increments when activated for less than 3 seconds
Thermostatic control
MANUAL inputs can also operate as thermostatic control of the vent
FIREMAN inputs
Control input from an external 3-way fireman control switch
ACT outputs
Dual polarity reversal vent drive actuator outputs, 28VDC, max 8A, protected by a current trip circuit
Actuator inrush
Max. inrush current of 20A for 2 seconds
Actuator run time
Configurable 10 to 300 seconds
Default run time
60 seconds
Actuator monitoring
Open circuit above 10KΩ, short circuit below 10Ω, in the fully open or closed position
Actuator DIL options
DIL switch 3 'ACT POWER' for maintained operation; DIL switch 1 'ACT INVERT'
AUX output
Maintained magnetic vent output, 28VDC, max 1 Amp, fused 1 Amp
FIRE relay
Common alarm changeover relay contacts, max 3A at 30VDC (unfused)
FAULT relay
Common fault changeover relay contacts, max 3A at 30VDC (unfused), normally energised (failsafe)
SENSOR
Connections for battery temperature sensor
BATTERY output
Charging output for 7Ah 12Volt batteries, temperature compensated, 27.3VDC
Max. charging current
700mA (output at 20C)

Specifications

Brand Haes Technologies
Model TPCA034
Manufacturer Part Number (MPN) TPCA034
Product type TPCA034 master card for the SZAOV single zone automatically opening vent control panel
Supply input limits Maximum input current 5 Amps; input voltage 22 to 32VDC
Supply input Monitored 28VDC input from power supply module, diode protected for reversal and independent short circuit
Detector circuit Conventional / Twin Wire fire alarm zone circuit input (latching by default)
Detector circuit end of line 6K8 end of line resistor
Detector circuit monitoring Monitoring current limit 50mA, fused at 500mA
Conventional/twin wire detector compatibility Apollo: S65, Orbis. / Hochiki CDX. / Nittan EV
Twin Wire mode Selected by DIL switch 4 on the main PCB
Twin Wire sounders Allows 24v alarm sounders in reverse polarity on this circuit
OPEN / CLOSE inputs Inputs from an external fire or SZAOV panel to force the vent open or closed
OPEN / CLOSE resistors 2K7 alarm, 6K8 Ohm 5% 0.25W end of line resistor
MANUAL inputs For a local 3-way vent control switch; moves the vent by 10% increments when activated for less than 3 seconds
Thermostatic control MANUAL inputs can also operate as thermostatic control of the vent
FIREMAN inputs Control input from an external 3-way fireman control switch
ACT outputs Dual polarity reversal vent drive actuator outputs, 28VDC, max 8A, protected by a current trip circuit
Actuator inrush Max. inrush current of 20A for 2 seconds
Actuator run time Configurable 10 to 300 seconds
Default run time 60 seconds
Actuator monitoring Open circuit above 10KΩ, short circuit below 10Ω, in the fully open or closed position
Actuator DIL options DIL switch 3 'ACT POWER' for maintained operation; DIL switch 1 'ACT INVERT'
AUX output Maintained magnetic vent output, 28VDC, max 1 Amp, fused 1 Amp
FIRE relay Common alarm changeover relay contacts, max 3A at 30VDC (unfused)
FAULT relay Common fault changeover relay contacts, max 3A at 30VDC (unfused), normally energised (failsafe)
SENSOR Connections for battery temperature sensor
BATTERY output Charging output for 7Ah 12Volt batteries, temperature compensated, 27.3VDC
Max. charging current 700mA (output at 20C)

Haes Technologies TPCA034 smoke vent panel master card, angled view

Haes Technologies SZAOV Master Card PCB for SZAOV-1001 Smoke Vent Control Panel TPCA034

Overview

An automatically opening vent (AOV) lets smoke out of a stairwell or corridor in a fire. The SZAOV panel controls one zone of vents, and this master card is the board that does the work.

Check the existing panel is a Haes Technologies SZAOV-1001 smoke vent panel before ordering.

How it works

A fire on the detector circuit, an external fire or SZAOV panel, or the fireman switch can open the vent. The card reverses the actuator polarity to close it again.

  • Actuator watch: actuator resistance above 10KΩ reads as open circuit and below 10Ω as short circuit, checked at fully open or closed.
  • Inrush: the outputs allow 20A for 2 seconds at start, then trip back to 8A.
  • Magnet hold: the AUX output switches off to release magnets in the alarm condition.

Installing it

As a rule, isolate mains and batteries before changing a board, and note every terminal and DIL switch first. The DIL switches set ACT POWER, ACT INVERT and AUX INVERT, so copy the old card's settings.

Set the vent to fully closed before reconnecting the actuators. This is work for a competent engineer who knows smoke control systems.

Planning your system

The panel takes two 7Ah 12V VRLA batteries, and fire rated batteries must be used; the Yuasa batteries range includes 7Ah blocks. An optional PIR/BMS plug-in card (TPCA029) adds a PIR and building management input.

Other parts for fire panels sit with fire panel modules and interfaces and fire alarm accessories and components. Conventional zones are explained in the guide to conventional and addressable fire alarms.

Standards and ratings explained

The SZAOV panel's power supply is approved to BS EN 12101-10, the standard for power supplies in smoke and heat control systems.

Haes Technologies TPCA034 smoke vent panel master card, angled view
Haes Technologies

Haes Technologies SZAOV Master Card PCB for SZAOV-1001 Smoke Vent Control Panel TPCA034

£161.06 £193.27

The Haes Technologies TPCA034 is the master card for the SZAOV-1001 single zone smoke vent control panel. It suits engineers repairing or servicing an automatically opening vent system. The card takes the fire zone, vent switches and fireman inputs, and drives 28VDC vent actuators at up to 8A.

Key features

For installers

Frequently asked questions

Which panel is it for?

The Haes SZAOV-1001 single zone automatically opening vent control panel. It is that panel's master card.

How long do the actuators run?

For a configurable 10 to 300 seconds, 60 seconds by default. Set it to the time the vent needs to open or close fully.

Can it be used with sounders on the detector circuit?

Yes, in Twin Wire mode, set by DIL switch 4. The 24v sounders then run in reverse polarity and the detectors need 'Sav-Wire' bases.

Which detectors work on the zone?

Conventional detectors compatible with the panel: Apollo S65 and Orbis, Hochiki CDX and Nittan EV.

Can the vent be opened when there is no fire?

Yes. In standby conditions a local 3-way switch moves it in 10% steps, and the manual inputs can also act as thermostatic control.

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