Nittan EVA-UB4 Instruction Manual
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Nittan EVA-UB4 Instruction Manual

Mounting base
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Instruction Manual
EVA-UB4/EVA-UB4-6
Mounting Base
Before Installation
Please read these instructions carefully and keep for future reference.
The information in this document is subject to change without notice. For updates please refer to our website.
Do not use the products outside the rated power supply voltage range specified in
the Specifications. It may cause a fire or damage to equipment.
Do not disassemble, repair, or modify the products. It may cause a fire or electric
shock.
Make sure to turn the power off before commencing any wiring work. Otherwise it
may cause electric shock or damage to equipment.
Note: Follow 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 powder, chemicals, or hydrogen sulphide may
occur or affect the product. It may cause damage to equipment.
Section 1 – INTRODUCTION
EVA-UB4 series base is detector base which is designed to be used with the model EVA-PY, EVA-PYH,
EVA-DPH, EVA-H2, EVA-H2-H and EVCA-P detector series heads. The series includes EVA-UB4, which is 4 inch
standard base, and EVA-UB4-6, which is 6 inch standard base.
The terminals of the base are used depending on the detector heads.
12 – 20 AWG field wire can be connected to the terminals.
EVA-UB4 is mounted to a 3-1/2" octagonal electrical box.
EVA-UB4-6 is mounted to a 3-1/2" and 4" octagonal electrical box, or 4" square electrical box. EVA-UB4-6 can be
also used to cover larger opening around an electrical box.
1-54-5 SASAZUKA, SHIBUYA-KU, TOKYO 151-8535, JAPAN
! CAUTION
! CAUTION
! CAUTION
1
NITTAN COMPANY, LIMITED
http://www.nittan.com
DW1401959 Rev.K1
Sep 18, 2015

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Summary of Contents for Nittan EVA-UB4

  • Page 1: Section 1 - Introduction

    12 – 20 AWG field wire can be connected to the terminals. EVA-UB4 is mounted to a 3-1/2” octagonal electrical box. EVA-UB4-6 is mounted to a 3-1/2” and 4” octagonal electrical box, or 4” square electrical box. EVA-UB4-6 can be also used to cover larger opening around an electrical box.

  • Page 2: Section 2 - Terminals

    Section 2 – TERMINALS EVA-UB4 / EVA-UB4-6 are supplied with 4 terminals as standard. The terminals of the bases are configured as the table below: Terminal Description SLC positive Not used Not used SLC negative Figure 1: Position of terminals (EVA-UB4) Figure 2: Position of terminals (EVA-UB4-6) DW1401959 Rev.K1...

  • Page 3: Section 3 - Dimensions

    Section 3 – DIMENSIONS 15.0 (0.59) 104.0 (4.1) mm (inch) Figure 3: Dimension of EVA-UB4 15.0 (0.59) 160.0 (6.3) mm (inch) Figure 4: Dimension of EVA-UB4-6 DW1401959 Rev.K1 Sep 18, 2015...

  • Page 4: Section 4 - Detector Models

    NFPA 72. In normal use, the EVA-UB4 / EVA-UB4-6 will be installed at ceiling level or wall position. Please refer to specific detector instruction manual for details. Pass the field wiring through the cable opening in the center and from the rear of the base.
  • Page 5 Electrical box Base *Screws(M4) are not included in the package Figure 5: Installation to an electrical box for EVA-UB4 *Screws(M4) are not included in the package Figure 6: Installation to an electrical box for EVA-UB4-6 DW1401959 Rev.K1 Sep 18, 2015...
  • Page 6 Locking Screw Turn the locking screw counterclockwise until the screw extends out about 4mm (3/16”) from the rim of the base. Figure 7: Position of locking screw DW1401959 Rev.K1 Sep 18, 2015...

  • Page 7: Section 7 - Connections

    Connect to analog detector EVA-PY, EVA-PYH, EVA-H2, EVA-DPH or EVA-H2-H. LOOP+ LOOP- LOOP+ LOOP- Control Panel NFU-7000 EVA-UB4 / EVA-UB4 / EVA-UB4-6 EVA-UB4-6 Series Figure 8: Connection to control panel NFU-7000 series To UL Listed control Connect to UL Listed conventional detector EVCA-P panel NFU-7000 series for Class A wiring.
  • Page 8 ! CAUTION Use cable AWG12-20 for wiring. Do not connect different gauge cables at one terminal in order to prevent loosening. ! CAUTION Do not connect cables in reverse polarity. Failure to connect the polarity correctly could result in damage to other equipment. Correct wiring Incorrect wiring Figure 9: Connection to terminals...

  • Page 9: Section 8 - Specification

    Indoor dry use only Terminal AWG12-20 Φ104mm x 15mm H (Φ4.1” x 0.59” H) / Dimensions: EVA-UB4 / EVA-UB4-6 Φ160mm x 15mm H (Φ6.3” x 0.59” H) Weight: EVA-UB4 / EVA-UB4-6 (Approximately) 50g (1.8 ounces) / 95g (3.3 ounces) Conformity...

  • Page 10: Section 9 - Warranties

    Nittan or its employees or agents or otherwise, arising out of or in connection with any act or omission of Nittan relating to Nittan or supply of the products, their use by any customer.

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Eva-ub4-6

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