2-1-0-024/ISS9/AUG03
HOCHIKI CHQ-MZ, CHQ-MZ/OEM & CHQ-MZ/DIN
MINI ZONE MONITOR INSTALLATION INSTRUCTIONS
Function
The CHQ-MZ is a loop powered module that provides a single fully monitored input for the connection of either up to
six Hochiki conventional smoke or heat detectors, one Hochiki Beam detector or any number of conventional call
points, the unit also contains an output for remote fire indication. The CHQ-MZ/DIN is the DIN Rail mounted version.
Specification
Order code
CHQ-MZ* / CHQ-MZ/OEM* / CHQ-MZ/DIN*
Transmission method
Digital communication using ESP
Loop:-Operating voltage
17 - 31 VDC
Quiescent current
260
µ
A
Current consumption whilst polling
22 mA
±
20 %
E.O.L device
TE-RH-E (polarity conscious)
Zone voltage
15.3V - 17.1V
Zone resistance
50
Ω
(Max)
Zone capacitance
0.3
µ
F (Max)
Detectors per zone
Number of conventional 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
Conventional Call Points – No limit
Weights and Dimensions CHQ-MZ
120g, L=160 x W=110 x H=92mm
CHQ-
MZ/OEM
75g, L=147 x W=90 x H=23mm
CHQ-MZ/DIN 106g, L=120 x W=23 x H=108mm
Colour and enclosure material CHQ-MZ
CHQ-
MZ/OEM
CHQ-MZ/DIN
Grey, ABS (IP67 rated), c/w OEM module
White, ABS
Green ABS
* Fire alarm control panel compatibility required for these products.
Note:- The End of Line device (part number TE-RH-E) is supplied with the unit.
Connection Details
Fig. 1
