Nittan EVCA-P Instruction Manual Download Page 12

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DW1500110 Rev.K1

Sep 18 2015

Figure 10: Correct and incorrect wiring method

For system monitoring

－

For terminals 1 and 6 do not use looped wire under

terminals. Break wire run to provide monitoring of connections.

! CAUTION

Correct wiring

Incorrect wiring

Summary of Contents for EVCA-P

Page 1: ...ow the requirements for the installation of the products in accordance with the Specifications Otherwise it may cause malfunction Note Do not install the product in any location where oil dust iron po...

Page 2: ...nsect screen therefore reducing the ingress of insects and airborne contaminants The chamber is designed so that the light emitted by the LED is not directed to the photodiode The LED pulses every 8 s...

Page 3: ...imension of EVCA P Section 4 TERMINALS The EVCA P smoke detector has three terminal connections and the terminals are configured as follows Terminal Description 1 Zone negative in 3 Zone positive in o...

Page 4: ...please consider the following items Otherwise the detector might not provide optimum performance Indoor use only Place the detector away from a ventilation fan or the air outlet of air conditioner at...

Page 5: ...nals a dirty sensor trouble to the control panel when it reaches the preset limit The dirty sensor trouble indicates the detector is in need of servicing 6 2 2 Spacing of Smoke Detectors The recommend...

Page 6: ...ing as shown in Figure 2 Figure 2 Smoke detector layout accounting for stratification 6 2 4 Partitions It is recommended that the distance between smoke detectors should not exceed a nominal spacing o...

Page 7: ...the bottom of the joists Figure 3 Smoke detector spacing solid joist construction side view Figure 4 Smoke detector spacing solid joist construction plan view Note Joists less than 10 cm 4 in deep ar...

Page 8: ...W H is greater than 0 4 Smoke detectors shall be located on the bottom of each beam if either the ratio of beam depth D to ceiling height H D H is less than 0 1 or the ratio of beam spacing W to ceili...

Page 9: ...nd of the ceiling Additional detectors if required must be located based on the horizontal projection of the ceiling and the type of ceiling construction For a ceiling slope of less than 30 degrees al...

Page 10: ...g sure the wiring does not obstruct mounting of the detector head Push the detector into the mounting base while turning it clockwise until the detector locks into place Use a small hexagonal wrench t...

Page 11: ...th is 1km Refer to the instruction manual of EVA ZMU SCI Zone Module for connection to NFU 7000 series Use cable AWG12 20 for wiring Do not connect different gauge cables at one terminal in order to p...

Page 12: ...15 12 Figure 10 Correct and incorrect wiring method For system monitoring For terminals 1 and 6 do not use looped wire under terminals Break wire run to provide monitoring of connections CAUTION Corre...

Page 13: ...control panel must be set to One Man Walk Test mode prior to the test Sensors offer maximum performance when tested and maintained in compliance with NFPA 72 The sensor may be tested in the following...

Page 14: ...of residual aerosol Section 8 MAINTENANCE Notes Before cleaning notify the proper authorities that the system is undergoing maintenance and therefore the system will temporarily be out of service Dis...

Page 15: ...rm Characteristics 6VDC in series with 375R between Terminal 3 and Terminal 1 6 at 25 C UL Ambient Installation Temperature 0 C to 49 C 32 F to 120 F Operating Temperature 10 C to 55 C 14 F to 131 F S...

Page 16: ...e this had been paid And the warranty period is three 3 years from the shipment from Nittan s factory 9 3 Notwithstanding anything to the contrary in this warranty terms Nittan shall not be liable to...