Siemens CZM-4 Electrical Specifications, Ordering Information, Dimensions, Electrical Connections

Electrical Specifications		Dimensions
Electrical Connections
1. Initiating device circuits:
Voltage range	20-24.5 VDC
Supervisory current	4mA max. capacitor EOL
Alarm current	9mA max. resistor EOL
	180mA max. per zone

2.Initiating devices per zone:

Up to 30 detectors, any combination of those in No. 3 below. Up to five waterflow switches may be used. Any number of direct shorting devices may be used. Wiring may be Style D (Class A) or Style B (Class B).

3.The UL identifiers for compatibility are the same as the model names specified below. Compatible Siemens Fire Safety detectors are:

Detector	Installation Instructions
DI-3/3H	P/N 315-081943
DI-A3/A3H	P/N 315-081943
DI-4A/4H	P/N 315-085257
DI-6	P/N 315-085257
DI-B3/B3H	P/N 315-086590
	P/N 315-086591
	P/N 315-086592
PE-11/PE-11T	P/N 315-094198
DT-11	P/N 315-095429
PE-3000/3000T	P/N 315-086441
PE-3/3T	P/N 315-086545
PBA-1191	P/N 315-094912

4.All circuits are power limited to NFPA 70 per NEC 760. Each detector or group of detectors must use a two wire circuit of at least 18 AWG thermoplastic fixture wire enclosed in conduit, or 18 AWG limited energy shielded cable without conduit, if permitted by local building codes.

5.Total circuit resistance must not exceed 70 ohms, 40 ohms if relay bases are used.

Ordering Information

Refer to Installation Instructions P/N 315-090726

Siemens Building Technologies

Fire Safety

Fire Safety		Fire Safety
8 Fernwood Road		2 Kenview Boulevard
Florham Park, NJ 07932	5/02	Brampton, Ontario
Tel: (973) 593-2600	5M	Canada L6T 5E4	May 2002
FAX: (973) 593-6670	SFS-IG	Tel: (905) 799-9937
Website: www.sbt.siemens.com/fis	Printed in U.S.A.	FAX: (905) 799-9858	Supersedes sheet dated 8/99