FLEXIT SP445 Smoke Detector for Duct Mounting Instruction Manual

SP445
110933-10
2023-03

Installation instructions
Smoke detector for duct mounting

All electrical connections must be carried out by qualified electricians.

Product description

Unigard Super flow is designed to detect smoke gas in ventilation ducts. It consists of a smoke detector as well as an adapting system designed for optimal air flow through the detector.
The system meets all fire safety requirements at air flow speeds between 0,2 m/s and 20 m/s.
SP445 contains an intelligent controlling circuit. This circuit is adjusting the sensitivity to give an optimal function during the whole life time of the detector.
Detector cleaning by cloth or vacuum cleaner is recommended on an annual basis.
The detector is fastened with a bayonet connector, making mounting and unmounting easy.

Installation

The aluminium pipe can easily be cut for adaption to the diameter of the ventilation duct. The hole in the duct should have a diameter of 38mm. If the ducts are circular or covered with isolation, use the enclosed mounting bracket and grommet. The hole should then have a diameter of 51 mm. In case of an outdoor or low-temperature loft installation, the detector must be protected with an isolated cover type UG3-Cover.

Technical data

Operating voltage	230V AC +/-20%
Connection smoke alarm	Relay, 2 potential free, alternating 250V, 5A
Connection service alarm	Relay, 1 potential free, NC
Ambient temperature	-20 to + 50°C
Max air humidity	99% RH
Protection class	IP 54
Dimensions (L x W x H)	See drawing
Max drawing	18 mA

Connection

Principal drawing, connection to air handling unit

3.1. Connection Pro Nordic and Albatros
CS2500 and CS2000 Connect the detector according to the connection table and wiring diagram for the detector

Connection table

Detector	Unit
1L	1
2N	2
4C	27
5NC	28 CS2000
	32 CS2500

Connection of external fire/smoke detector:

Block	Function
27	Fire/smoke [DI]
28	Fire/smoke – GO
32	Fire/smoke – 24V AC

The function must be activated in the control unit.
This is done via the following menu option:
Login password: 2000

Main index > Configuration > Configuration 1 > Fire alarm

Then select ‘Alarm’

It is possible to connect various types of switch/sensor that have pulse or fixed positions. The contact function can also be changed. By default the control unitis set for switches with fixed values. This can be changed via the menu option:

Main index > Unit > Inputs > Alarms
Then select the desired input and adjust it as required

Main curcuit CS2000 and (52500

3.2. Connection units 300-700 m³

To connect this accessory art.no 116405 “Cord set accessories” is needed
Start with manual for 116405, and complete the installation with this manual (110933)

Terminal*	Smoke detector
GO	5NC
X8	4C
L(230V)	1L
N(230V)	2N

*See wiring diagram

The supply voltage (230 VAC) can also be connected at the installation spot.

Configuration of air handling units for SP445 Smoke detektor
Prerequisite: Your mobile unit has to be connected to the same network as the air handling unit.

CS500

Remove the J4-3/J4-6 jumper before connecting.
Connect the detector according to the connection table and connection diagram that comes with the ventilation unit.

Connection table

Detector	Centralunit
No 5NC	J4(PIN3)
No4 C	J4(PIN6)
1L	J1-9
2N	J1-10

CS60

Remove the P6-5/P6-6 Jumper before connecting.
Connect the detector according to the connection table and connection diagram that comes with the ventilation unit.

Connection table

Detector	Centralunit
No 5NC	P6-5
No 4 C	P6-6
1 L	P1-9
2 N	P1-10

3.3. Connection other units

Connect the detector according to the connection table and connection diagram that comes with the ventilation unit.

Function test

When the installation is completed, a test should be performed to make sure that everything works according to spec. The test can be performed with test spray DI 7003

Normal operation: On the circuit board, the green LED should light up. All relays are active connected between C and NC. The service alarm relay is connected between 9 and 10.

Smoke alarm: The red LEDs on both the circuit board and the detector should light up. The smoke alarm relay is connected between C and NO.

Reset: Press the reset button to reset the detector.

Service alarm: The green LED on the detector and the yellow LED on the circuit board should light up. The service alaram relay disconnects between switch 9 and 10.

Error: In case of an error, the green LED on the circuit board is not lit, and no relays are active. This might occur in case of a power dirsuption, removed detector etc

Dimensions

Flexit AS, Moseveien 8, N-1870 Ørje www.flexit.no