Amico ALERT-1 Manuale di istruzioni

ACorporation

MICO

ALERT-1

DIGITAL ALARM & SURVEILLANCE SYSTEMS

FOR THE HEALTH CARE INDUSTRY

SUITABLE FOR:

•Hospitals

•Laboratories

•Nursing Homes

•Clinics

INSTALLATION & MAINTENANCE MANUAL

Table of Contents

Introduction I

Installation 3

1. Power Module 4

2. Pressure Display module 5

3. Sensor Module 5

4. Status Module 6

5. Computer Interface Module 6

Electrical Connections 7

Trouble Shooting 8

Drawings 9

Wiring Diagrams

- Area Alarm 10

-Master Alarm/Computer Interface 1I

-Power Supply 12

- Alternate Setpoint Calibration 13

April -1994 Model Number: A-MANUAL-ENG

INTRODUCTION

The Amico medical gas alarm system (ALERT-1) incorporates the latest digital technology in alarm

arid surveillance systems.

The system has been designed primarily for user flexibility and reliability.

•Digital read-out for every gas service measured.

•Bar-graph display for trend indication.

•HI/LOW alarm indication with adjustable repeat times.

•Interface to building management computer.

•Easily expandable for additional gas services.

• NO moving parts very reliable.

•Modular construction ease of maintenance.

•Plexiglass front covereasy to clean.

•Adjustable repeat alarm

Optional computer interface.

•Meets requirements of CSA 2305.1.

ALERT-1 is divided into four main modules which plug

into the alarm box.

1. POWER SUPPLY MODULE

This 'module converts the 115 VAC

supply voltage into 24 VDC required for

the alarm system and contains the

audible alarm and lamp test circuitry.

2. PRESSURE/VACUUM

DISPLAY MODULE

This module provides a digital display

of the actual pressure or vacuum of a

gas being monitored. In addition a gas

movement trend and HI/LOW alarm

section is provided for quick identifica-

tion.

3. SENSOR MODULE

This module contains the transducer

which converts the pressure (vacuum)

source into an electric signal that is

displayed by the pressure display

module.

=I -.I-GAS

Features include:

MEDICAL CAS

ALARM SYSTEM

(((co))

P0v,'ER LIGHT

AUDIBLE ALARM

...4.1,!2 TEST &

I="I --I-AL;-Rm SILENCE

ANDO INSTRU+005

14101070. CANADA

POWER MODULE

—.1---PRESSURE

&TREND

INDICATOR

LDV I

GAS

!]—•--VACUUM

ALARM & TREND

NCIIInAL INDICATOR

PRESSURE DISPLAY VACUUM DiSPL

4. MASTER STATUS MODULE

This module will continuously monitor up to 8

remote signals for operating alarms and

emergency alarms such as: pressure switches,

low liquid levels, high or low gas pressures,

etc. If any of the signals being monitored goes

into an alarm condition, a red light will come on

and an audible alarm will sound.

MCDC& MR

tSUPPLY ST AILS

(= roculadtow...a—ALARM INDICATORS

maw.

to ,Z

OMR. MR.

I_ h.*

ORMIN

OR ROWE

MASTER STATUS MODULE

ALERT-1 is factory-calibrated for"Normally Closed Circuit" (NC) operation so that the alarm function

will be initiated on an open circuit. In this mode the alarm system will signal both alarm conditions

and system malfunctions.

PIGTAIL

TERMINAL BLOCK

5. ALARM BOX

These modules are pluged into the

motherboard of the alarm box once

it has been installed in the wall.

FUSE

TRANSFORMER

MOTHERBOARD

The box itself (Fig. 1), houses the pigtails that deliver the gases (vacuum) into the alarm and in

addition contains:

•transformer

•main fuse

•overload protection unit

•terminal block (115VAC)

•motherboard

INSTALLATION

A. BOX IN THE WALL

(MASTER STATUS & AREA ALARMS)

1. Remove the alarm box from the

shipping carton and install the box

securely in the roughed-in wall at the

appropriate place. The mounting brack-

ets are adjustable to suit the thickness

of the wall. Do not remove the Window

Frame or any Modules from the ship-

ping carton until the box is mounted in

the wall and all the plastering, external

wiring, and brazing of the copper pig-

tails is complete.

(AREA ALARMS ONLY)

2. Once the box is installed in the wall

remove the dust cover from the front.

Using silver-brazing techniques, con-

nect each pigtail to its appropriate gas

(Vacuum) while ensuring that the bot-

tom of the pigtail is wrapped with a

damp cloth so as not to damage the

check-valve inside the box. (Fig. 2)

The system can now be pressure tested.

B. MODULES

CAUTION

Fig. 2

The circuitry on ALERT-1 contains sophisticated integrated circuits and as such

can be damaged by static. When installing the modules, hold the boards by the

edges and do not touch any of the components or circuitry on the board. Static

discharge to a component can cause the module to malfunction. During the

installation of the modules, the supply (115 VAC) should not be connected.

POWER MODULE

1. POWER MODULE

(a) Remove the power module from its box by holding the metallic plate that covers the

circuit board.

(b) Plug the connector which is located at the end of the tail of the power module into the

first (leftmost) receptacle on the motherboard. Since the connector is keyed it should slide

into the receptacle easily. If resistance is encountered, it indicates the connector is not

being inserted the right way. Ensure that there are no pins visible on either end of the

motherboard connector.

all the components should now be visible.

(d) Bring the power lines which

protrude through the transformer

cover up to the female socket on

the power module and insert the

male plug into the female socket

as shown in Figure 3. The con-

nector is keyed and hence should

slide into the socket easily.

Fig. 3

(e) The audible alarm is equipped with a repeater function preset at a 30 minute interval,

but shipped disabled. If the repeater function is desired, move black "jumper" from "DIS"

(disable) position to "ENABLE" position, then adjust screw dial at the top of module to any

desired alarm repeat time between 30 and 2 minutes.

PRESSURE ANDSENSORMODULES

2. PRESSURE DISPLAY AND SENSOR MODULES

These two modules are installed concurrently. The sensor module contains the transducer which

is connected to the brass quick-disconnect.

SENSOR MODULE

NOTE: ALWAYS HOLD THIS MODULE

BY THE BRASS QUICK-DICONNECT

FITTING. (Fig. 4)

(a) Plug the brass male connector protruding

from the top of the sensor module into the

female receptacle in the box in the wall. The

connector should click into place. (Fig. 4)

(b) Remove the display module from its box

and plug the connector atthe end of the tail into

the appropriate connector on the motherboard

just below the sensor module. (Fig. 5)

its cable just below the box. The circuit with all

the components should now be visible.

(d) Plug the small cable leading from the end

of the sensor module into terminal J2 on the

pressure display module. (Fig. 4)

(e) The unit has been factory calibrated and

requires no adjustments.

PRESSURE DISPLAY MODULE Fig. 4

Fig. 5 5

I-

STATUS MODULE

3. STATUS MODULE

(a) Plug the connector at the end of the

tail of the Status module into the appro-

priate place on the motherboard.

(b) Flip the status module so that it

hangs by its cable just below the box.

The circuit with all the components

should now be visible.

the appropriate terminal blocks on strip

J4 as per the wiring diagram shown on

page 11.

4. COMPUTER INTERFACE

MODULE

The computer interface module is a

piggyback board that fits on top of the

status module and plugs into connector

(P1) located at the top of the status

board. (Fig. 7) Plug the module in (if it

is not already on) and attach the board

using the five screws provided. Con-

nect the module to the computer inter-

face as shown in the wiring diagram on

page 13.

CONNECTOR P1

TERMINAL BLOCK (J4)

MOUNTING SCREWS

Fig. 6

ELECTRICAL

C. ELECTRICAL

NOTE: POWER SHOULD BE BROUGHTTOTHE UNITONLY AFTER ALLTHE MODULES

ARE CONNECTED TO THE MOTHERBOARD.

Remove the, transformer cover located at the left hand side of the box by unscrewing the nut at the

center of the housing (nearthe fuse). Bring 115 VAC to the appropriately labeled terminal strip. Once

the power is applied the display lights up and the buzzer should sound when the "push to test" button

is depressed. For problem identification see the section on trouble shooting. When each module

has been checked individually for proper operation. insert the screw at the top and bottom of the

module to the module in the box. (Fig.8)

D. COVER

When all the modules have been put in

the box, attach the window-frame to the

box by means of the two screws on

either: side of the frame.

The alarm is now ready for use.

SCREWS

TO ATTACH FRAME

Fig. 8

TROUBLE SHOOTING

D. TROUBLE SHOOTING

Solutions are shown in order of the most probable problem.

PROBLEM SOLUTION

1. LIGHTS NOT ILLUMINATED (a) Check the fuse by removing the power module. The fuse is

directly behind the power module (Fig. 8). Replace the fuse if

defective.

(b) Check the building electrical breaker to ensure power is ON.

(Fig. 1) Ensure 120 VAC is being applied.

(d) Replace the power module.

2. NO AUDIBLE ALARM LIGHTS (a) Depress the "push to test" button. if the lights come on and

NOT ILLUMINATED there is no audible, replace the power module, if not try solu

tions for problem 1.

3. GAS READING INCORRECT (a) Ensure the gas going into the pigtails is being measured accu

rately.

(b) Ensure the sensor board is connected to the display board at

terminal J2. (Fig. 4)

(d) Replace the sensor board.

(e) Replace the display board.

4. ALARM CONDITION EXISTS (a) Ensure the system was properly ordered.

AND THEALARM UGHTSARE Normally HI pressure 60 psi.

NOT GOING ON AT THE LO pressure 40 psi.

PROPER SETTINGS LO vacuum 12 in Hg.

If any other calibration is required check with your supplier.

(b) Go to problem 3.

5. ANY BURNT OUT LIGHT (a) Replace the module.

6. POWER LIGHT IS ON BUT (a)

LIGHTS ON OTHER MODULES

ARE NOT WORKING (b)

(c)

Flat cables of each module are not connected to the mother

board.

Ensure flat cable on the power board is connected to the

mother board.

Ensure power lines from the transformer are connected to the

power board. (Fig. 3)

Indice

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