User guide

Hochiki Europe (UK) Ltd
Page 3 2-3-0-778/ISS8/DEC11
Standard EOL Options for CHQ-DZM
EOL Option Type Part Description
OPTION 1
Zener End of line device
(Zone)
TE-RH-E
Hochiki Part No 2-1-1-016
(Iz=1-mA, T=30ms, Vz=22.7 to 24.3 V)
L terminal connects to +Zone
C Terminal connects to -Zone
OPTION 2
Active End Of Line Module
(Zone)
Active End Of Line
in conjunction with
Capacitor (Zone)
LCMU (6K8)
Hochiki Part No 1270070-00
(SUPPLIED SEPARATELY)
47 µF Capacitor
Hochiki Part No (2-2-7-031)
Active EOL - Line Continuity Monitoring Unit for Schottky bases (See Fig 6)
Pink lead connects to +Zone
Black lead connects to –Zone
47 µF ±20% 35 V
Fitted directly into Zone terminals (see Fig 6)
OPTION 3
Resistive EOL (Zone)
6K8 resistor (2-2-5-1015) 6K8 ± 5% 0.4 W
Monitored input EOL 10 KΩ resistor (2-2-5-806) 10 KΩ ± 5% 0.4W
CHQ-SZM SINGLE ZONE MONITOR is a loop-powered module that provides a
single fully monitored input for the connection of up to six Hochiki conventional
smoke or heat detectors, OR one Hochiki beam detector, or any number of
conventional call points, the unit also contains an output for remote fire
indication.
Note: The end of line device
(EOL) is supplied with the unit –
do NOT discard in error! The
EOL device MUST be fitted at the
last detector on the zone, note the
polarity.
Order codes CHQ-SZM(SCI) / CHQ-SZM/M(SCI) / CHQ-SZM/DIN(SCI) *
1
Transmission method Digital communication using ESP
Loop:-Operating voltage 17 - 41 VDC
Quiescent current
260 A
Current consumption whilst polling
22 mA

20 %
Current in short-circuit 8 mA
Maximum short-circuit current (Loop) 1 A
E.O.L device TE-RH-E (polarity conscious)
Zone voltage 15.3 V - 17.1 V
Zone resistance
50  (Max)
Zone capacitance
0.3 F (Max)
Detectors per zone
DCA, DFB, DFE – No limit, SLG, SLK, SLR, SIF, SIH, SIJ, DCC, DCD, DFJ – 6 max
SPB-ET or SRA-ET– Only one and no other detectors, HF-24 – Only one and no other
detectors, DRD-E – 3 max, Conventional Call Points – No limit
Weight (g) &
Dimensions (mm)
CHQ-SZM(SCI)
CHQ-SZM/M(SCI)
328
L157 x W127 x D35 (CHQ Module plus Lid)
D79 (CHQ Module plus Lid plus CHQ-BACKBOX)
(add 235 to module weight when using CHQ-BACKBOX)
L108 x W119 x D24 (CHQ DIN Module)
CHQ-SZM/DIN(SCI) 114
Colour and enclosure material CHQ Module & CHQ-BACKBOX White ABS, DIN Module Green ABS
* Fire alarm control panel compatibility required for these products. See AP0127 for short-circuit isolator specifications.
This module does not support any line continuity options; therefore, if Manual Call Points are to be interfaced then these should be
connected first.
Fig 7
Fig 8
Fig 6