Enmet ISA-44-2OD Uživatelský manuál stáhnout pdf (Strana 11)

ISA-44-2-OD ENMET Corporation

3.0 Installation3.0 Installation

The ISA-44-2-OD is completely oiltight and watertight. Use the correct watertight fitting for the cord or conduit

when supplying power to the unit.

3.1 Power Hook-Up and Mounting of Control Unit ISA-44-2-OD

1. Choose a suitable location for mounting the electronics control unit.

2. The OPERATE switch should be in the HORN OFF position.

3. Open the control unit. Remove the terminal strip cover from TB-6 (see Figure 2 and 4). Simply pull the cover

off the holding prongs.

4. Apply 115 VAC, 220 VAC* and/or 12 VDC power to the proper terminals. Refer to Figure 4.

NOTE: 220 VAC power requires a change in the transformer hook-up by a competent electrician or electronics

technician; but this change is best done at ENMET. Both AC and DC power can be applied at the same time.

Current will flow from the AC source; DC current (as emergency back-up power) will flow ONLY when the AC

power is interrupted.

5. Run the relay contacts through the same watertight fitting as the power cord leads or out a second fitting. Be sure

to use watertight fittings that meet NEMA-4X standards. See Figure 8 for an example of relay wiring. When the

power supply is interrupted, the relays switch to the same position as for the true gas alarm condition and the

power lights (green) are off. Do Not Connect the Unit to Other Voltage Supply Lines.

6. Replace the terminal strip cover on TB-6. Make sure the cover fits snugly into the prongs.

Figure 5: Mounting Dimensions ISA-44-2-OD

TB2

TB6

TB1

TB3

TB4

TB5

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 31 32

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Enmet ISA-44-2OD Uživatelský manuál Strana 11