Hochiki CHQ-MZ Installation Instructions

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
Transmission method
Loop:-Operating voltage
Quiescent current
Current consumption whilst polling
E.O.L device
Zone voltage
Zone resistance
Zone capacitance
Detectors per zone
Weights and Dimensions
MZ/OEM
Colour and enclosure material CHQ-MZ
MZ/OEM
* 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
CHQ-MZ* / CHQ-MZ/OEM* / CHQ-MZ/DIN*
Digital communication using ESP
17 - 31 VDC
260µA
22 mA ± 20 %
TE-RH-E (polarity conscious)
15.3V - 17.1V
50Ω (Max)
0.3µF (Max)
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
CHQ-MZ 120g, L=160 x W=110 x H=92mm
CHQ- 75g, L=147 x W=90 x H=23mm
CHQ-MZ/DIN 106g, L=120 x W=23 x H=108mm
Grey, ABS (IP67 rated), c/w OEM module
CHQ- White, ABS
Green ABS
CHQ-MZ/DIN
2-1-0-024/ISS9/AUG03