D-9107RExd
Digital Flame Proof Dual IR Flame Detector
Installation and Operation Manual
Page 5
corrosion and fire.
(3) The cable layout for hazardous explosive area must comply with
corresponding codes. The connecting cable can be copper-core screened
cable or explosion-proof hose with suitable junction thread matching with the
detector taper thread of the cable nut (Fig. 7).
(4) The cable must enter the detector through the junction nut, and there must be
an O-ring, a seal and a washer, as shown in Fig. 7.
Fig. 7
(5) Connect the screen cover of the cable with the protective earth inside the
detector.
(6) Terminals on the base are shown in Fig. 8.
FT1 FT2 AL1 AL2
Fig. 8
Z1, Z2: Communication loop input from fire alarm control panel. Polarity
insensitive.
D1, D2: 24VDC power input. Polarity insensitive.
AL1, AL2: Fire alarm contact output. Normally open contact. Closed in fire
alarm.
FT1, FT2: Fault contact output. Normally closed contact. Open in fault.
The loop cable and the power shall enter the detector through a cable nut, and the
signal cable through another cable nut (Fig. 9). If no signal cable is needed, the cable
outlet shall be inserted with an blanking element with O-ring.
If Z1 and Z2 does not connect with the loop, they must be connected with D1 and D2
polarity-insensitively.
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