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DZ-03 Base is used to mount conventional and intelligent smoke, heat and combination detectors as their conductive base. It’s made of flame-resistant plastic ABS, which is a UL94 listed material. It features attractive appearance, novel structure and stable performance. Its flame class is V-0. During installation, you can easily fix the base before connecting cables, and then twist the detector onto the base

Technical Specifications
1. Wiring: Polarized two-wire with power cable.
2. Operating Environment: Temperature 0 +37.8 (UL268) -10 +50 (GB4715-93) Relative Humidity 95% no condensation
3. Dimension Diameter 103mm Height 14mm
4. Material and Color ABS ivory white
5. Flame Class V-0
6. Weight About 54g
7. Mounting Hole Distance 45mm 75mm
8. According to Standard UL268 GB4715-93

Mounting and Wiring
1. Mounting Method DZ-03 base can be fixed on an embedded box through its mounting hole with two M4X12 cross recessed pan head screws. If an embedded box is not used, it can also be mounted on relatively soft structures like wood or ceiling with two M4X25 wood screws, or on hard structures like brick or cement with two 6 expansion bolts with plastic sleeves, as shown in Fig. 2 (a) and 2 (b).
3. Wiring 1) Wiring Method As shown in Fig. 2, there are four terminals with numbers on the base, “1” connects with the anode of the output end of compatible controller, “2” connects with terminal No. “1” of the next base as output, “3” connects with terminal No. “3” of the next base and the cathode of the output end of compatible controller, “4” doesn’t connect to any wires but is used to fix the detector accessorily. A 4.7k/1W terminal resistor can be connected between terminal “2” and “3” of the last base in a loop. Connection of the base into the system is shown in Fig. 3. There are two marks on point A and B of the orientation base, to ensure there is only one installing position.
The base can be prevented from tamper by twisting a ST2.9×6.5 cross recessed pan head tap screw into the anti-tamper hole on one side of the base after mounting the detector onto the base. This screw can only be removed by special screw driver. Please note to use this function where necessary to avoid difficulty in maintenance. 2) Wires 227 IEC 06 cable with cross section not less than 1.0mm2 can be used.

IV Cautions 1. Be careful not to damage the base during maintenance. 2. Please mount and maintain the base according to manufacturer’s instruction or relative national code to ensure it works properly. 3. The base should be checked at least once every year to ensure good contact with the detector.