C S YO3 Yodalarm Series Installation Guide
- June 4, 2024
- C S
Table of Contents
C S YO3 Yodalarm Series
YO3 Yodalarm Series (Incorporating the YA30 Range) AUDIBLE SIGNALLING DEVICE APPROVALS AND CONFORMITIES
Installation
- Installation must be carried out in accordance with the latest codes of practice by a qualified electrician.
- Check that the power supply is correct for the voltage rating of the alarm to be installed.
- Ensure that the power supply is disconnected prior to installation or maintenance to avoid electrical shock.
- The unit should be mounted to a wall or bulkhead formed of suitable material using the two mounting lugs projecting from the side of the enclosure.
- The lugs have an 6mm diameter mounting hole & sit on 102mm centres. The minimum recommended length of fixing screw is 25mm (not supplied).
- Avoid mounting the alarm where it could be subjected to excessive vibration levels.
Ingress Protection
To maintain the IP rating of the product the below points must be observed.
- An IP66 cable gland is supplied with the product. This gland (or other suitably rated) must be used.
- When replacing the front cover, each of the four retaining screws must be torqued to 0.6Nm ±0.1Nm
Sound Selection
- Ensure the supply is OFF before proceeding.
- All DC units have selectable alarm sounds (see table on back of installation sheet for details) and are selectable via switch SW1.
- A second stage tone is made available via a third wire connected to terminal TB1/3 as shown in Figure. 1.
- Alternatively, the 1st and 2nd stage sound signals can be generated by supply reversal. See Fig. 1, Option 2.
- Manually selectable second stage tones are available for DC units by using switch SW2 if fitted (this option is only supplied upon request, and is not generally supplied as standard).
Line Integrity on DC Systems
- For 3 wire 2 stage alarm system, monitor via reverse polarity.
- For 2 wire 2 stage alarm system, monitor via threshold, (applied voltage<1v) an end-of-line (E.O.L) resistor is required for line monitoring and should have a minimum resistance of 3k3 Ohms and 0.5 Watts, wire-wound or metal film type.
AC Systems
- As with the DC units, the AC units have a selectable tone via the SW1 DIP switch, see Figure 2.
- A second stage can be activated by applying an additional “N” connection to the TB3 terminal on the PCB, as shown in Figure 2. In this instance SW-B is used to indicate this stage being activated.
Additional Voltage Options
Figure 3: Addition voltage wiring
- The Clifford and Snell YO3 series is available in a wide variety of voltage ranges, these include:
- 24vAC Voltage code I
- 24/50vDC Voltage code BT
- 48vDC Voltage code F
- 110vDC Voltage code H
- Wiring example is shown in Figure 3. The units are designed for loop-in, loop-out connectivity allowing 2 terminals per connection.
- Always confirm correct voltage is applied to relevant terminals.
Features Include
- Termination : Upto 2.5mm2 cable
- Operating Temperature : Standard Variants -25oC to +70oC EN54-3 Approved -25oC to +55oC
- Enclosure Material : Fire Resistant & UV Stable UL94-5VB rated ABS
- Ingress Protection : Weatherproof to IP66
- Sound Pressure Level: 105dB(A) Max.
- Volume Control Adjustment: -18dB
- AC Supply : 50/60 Hz
Tone Table
Note : EN54-3 Compatible Tones are marked above with
Moflash Signalling Limited accepts no liability for any consequences following use of this document. Any technical specifications and products referred to within this document are subject to change without notice due to continual improvement and product development policies. All dB(A) figures are subject to environmental conditions. The units are sold under Moflash standard conditions of sale, available on request. Addtional resources, including installation sheet translations, certificates and DoCs are available from the www.moflash.co.uk website.
Moflash Signalling Limited
11 Upper Conybere Street, Highgate, Birmingham, B12 0EB, UK