Manual - Amico
Contents
1. bend sharply bend or twist hoses as damage to tubing may occur Do not put the manifold into operation until a qualified person has inspected and passed the installation as per NFPA 99 or other local standards www amico com 15 Cylinder Changing Procedures 1 Keep the main bank valve open throughout these procedures Close the cylinder valves on all empty cylinders Disconnect the regulators from the cylinder valve outlets using an appropriate wrench Place protective caps over the cylinder valves of the empty cylinders and move them aside Remove protective caps of the full cylinders Visually inspect the cylinder valves for dust grease or oil Using a clean lint free cloth wipe each cylinder valve outlet clean Do not use your fingers Standing to one side crack the cylinder valve by briefly opening and closing them to blow out any dust Make sure they are pointing away from you and other personnel Connect the regulators to the cylinder valve outlets and tighten the nut with an appropriate wrench Proceed to S L O W L Y open the cylinder valves one at a time A WARNING High pressure oxygen systems must be handled with CAUTION Spontaneous combustion may occur if oxygen comes into contact with grease or oil Ensure that hands gloves clothing and tools are kept clean and free of oil and grease Be careful not to introduce dust or other contaminants into the system when changing cylinders Failure to comply wi2. for the RAC is NOT required when connected with a CAT5 or CAT6 cable REGULATORS The package includes gas specific regulators that contain a gas specific CGA tank fitting a gauge and a gas specific DISS connection for the hose The regulators need to be set to 50 psi These regulators can be recalibrated by removing the nut and dialing in the appropriate pressure Fluctuation in pressure may occur as the tank pressure changes from full to empty To reset the regulators follow Regulator Setting Procedures on page 10 HOSES The package contains gas specific hoses Each hose will have one end connected to the regulator and the other end connected to the manifold It is recommended that the cylinders be positioned against the wall in a manner where the hoses do not cross e g left tank on wall connects to left connection on manifold WARNING Close all cylinders and bleed all pressure from within the manifold prior to removing or connecting any hoses A manifold under pressure even with tanks closed Gas Hoses may cause harm to anyone near the manifold SENSORS The manifold contains six internal pressure sensors four cylinder sensors and two line sensors that run back to the display board These sensors support the transducer that allow for the pressure of each cylinder to be relayed to the board 4 A a 7 Gi NOTE Close cylinders and relieve pressure in both the manifold and the line by using the bleed valve prior
3. manifold gas blocks It is recommended to align cylinders on the wall in relation to the inputs on the manifold This will allow for easier identification of tanks during setup change out 11 Connect the loose end of the hoses to the gas specific DISS connection on the regulators 12 Locate the RAC and connect using a CAT5 or CAT6 cable cable supplied by others See page 10 13 Open all cylinders S L O W L Y and check for leaks using Snoop Leak Detector NOTE Electrical power is required to operate the solenoids and restrict flow Without electrical power pressure will fill the lines 14 Plug in manifold to a 120 V 240 V power supply do not use extension cords 15 Confirm that the manifold is on www amico com 9 Installation Instructions INSTALLATION OF THE REMOTE ALARM CONTROLLER 1 From the manifold room run a CAT5 or CAT6 cable from the manifold to the planned location of the RAC Allow approximately 12 inches of cable at either end to prevent tension on the connections 2 The RAC requires a single gang wall mount solution please follow local code to provide suitable rough in box or low voltage trim 3 Remove RAC from packaging 4 Loose set screw do not discard located at bottom of box and remove front cover Set cover aside do not discard 5 Plug the cable running from the manifold circuit board into the back of the RAC Ensure the cable is clicked in and secure Power up the manifold 6 Use two s
4. to removing or servicing the sensor cover circuit board There are two line pressure sensors installed within the manifold For remote installations these sensors can be disconnected from the manifold circuit board and two remote sensors can be installed into an Amico zone valve box With remote installation these line sensors can be wired back to the main board See page 17 Line Sensor Terminals www amico com 7 Description of the Parts CONTROL BUTTONS There are two buttons located on the front face of the manifold and on the remote alarm They are the Mute and Stand By buttons ue 7 fio Mute and Stand By Buttons MUTE The Mute button will silence any alarms until the manifold returns to a Normal condition After the Mute button has been pressed the visual alarms LED s will remain lit until the manifold returns to a Normal condition The alarm will sound again if another alarm occurs The alarm will not be cleared until the condition has been corrected The Mute button also serves as a test button If the Mute button is held for 5 seconds the manifold will run through a self diagnostic test and return to the current status STAND BY By pressing and holding the Stand By button for five seconds the manifold will go into stand by mode restricting the flow of both gases via the internal solenoids As per NFPA 99 2012 5 3 6 19 4 it shall be mandatory that cylinder shut off valves be closed whenever th
5. 3 Open cabinet door to access manifold interior 4 Make sure that there are not any wires that are disconnected from their terminals 5 Using the manifold mark mounting screw locations on the wall and install wall anchors if required Gi NOTE Use appropriate wall anchors for a secure installation 6 Itis important to centrally locate the manifold amongst all four cylinders to ensure that all hoses can reach the appropriate connections Gi NOTE Position the manifold at a height that prevents any interference with the cylinders 7 Using both the Oxygen and Nitrous Oxide pipes connect the manifold line ports at the top of the manifold to the facility s main gas lines Pipeline connections have been supplied to be brazed into the main facility line follow all local and national codes applicable to your area 8 Install the tank restraint brackets on the wall as per local codes Place cylinders in tank restraints and secure Make certain all valves have been closed NOTE Before connecting regulators to cylinder momentarily open and close cylinder valve to blow out dirt and debris 9 Install gas specific regulators in cylinders intended for operation Be certain not to over tighten Please check with your medical gas supplier to determine the correct torque needed to tighten the connection 10 Using the two Oxygen and two Nitrous Oxide 6 1 8 m hoses connect the appropriate hoses to the input lines located on the bottom of the
6. Installation amp Maintenance Manual Automatic Dental Manifold NITROUS OXIDE 4 A WWWw amico com Contents User Responsibility 3 Introduction 4 Features 4 Description of the Manifold 5 Shipment Details 5 The Manifold Enclosure 5 Description of the Parts 6 8 Manifold Display Board 6 Regulators 7 Hoses 7 Sensors 7 Control Buttons 8 Mute 8 Stand By 8 Check Valves 8 Remote Alarm Controller 8 Installation Instructions 9 10 Installation of the Manifold 9 Installation of the Remote Alarm Controller 10 Regulator Settings 11 Display Functions 11 Testing 12 15 Testing for N20 Emergency Cut Off 12 Testing for Automatic Change Over 13 Switching In Use Cylinder 14 System Stand By 14 Testing the System 15 Testing the Remote Alarm Controller 15 Cylinder Changing Procedures 16 Optional Equipment 17 2 Amico Corporation User Responsibility The information contained in this Installation and Maintenance Manual pertains only to the Amico Automatic Dental Manifold This product will perform in conformity with the descriptions contained in this manual when assembled operated maintained and serviced in accordance with the installation instructions provided The Amico Automatic Dental Manifold incorporates the latest microprocessor technology for change over and alarm control The manifold has been designed to be easy to use while providing a high level of reliability This manual will enable the customer to install use and main
7. LINE There is one set for each gas e Loosen the screw counter clockwise that holds the wire in place GENTLY remove the wires from the location G U6 DAN ql S N ORI x e Line Sensor Terminals e Identify the appropriate gas sensor wire and connect it into the appropriate terminal taking attention to the polarity Operatories Utility Room MEDICAL GAS CONTROL VALVES CLOSE ONLY IN EMERGENCY A Optional Valve Box www amico com 17 Notes 18 Amico Corporation Notes www amico com 19 WWW amIiCco com Amico Corporation www amico com 85 Fulton Way Richmond Hill Ontario L4B 2N4 Canada Toll Free Tel 1 877 462 6426 Toll Free Fax 1 866 440 4986 Tel 905 764 0800 Fax 905 764 0862 Email info amico com APE INSTAL MAINT DENTAL MANI 08 20 2015
8. crews to secure the alarm to the wall Be careful not to overtighten 7 Re attach the front cover to the RAC and tighten set screw 8 Test both function and display by proceeding with the same test procedures as the manifold ex Stand By and Mute Test to make sure all LED s are lighting in accordance with the manifold status 10 Amico Corporation Regulator Settings 1 Look at the digital pressure reading on the manifold display and set pressure to 50 psi 2 Confirm this pressure with the analog gauge Gi NOTE Slight variation between gauge and digital display may occur 3 Regulator setting procedure a Identify the regulator of the cylinder requiring the pressure change b Loosen the nuts securing the handle of the regulator c Turn the handle left to lower the pressure and right to increase the pressure When lowering pressure the bleed valve located on the cylinder requiring adjustment may be pushed to help relieve pressure d Push the bleed valve and release pressure to help stabilize the line and to establish that the desired pressure has been achieved e Close cabinet f Tighten nuts on the handle Display Functions 1 Power up the manifold 2 Follow the Cylinder Changing Procedures on page 15 in this manual to ensure that all cylinder connections are secure and properly connected 3 Check the indicator LED s for proper function 4 Only one green LED per gas should be illuminated and each reserve cylin
9. der should have a yellow LED illuminated if a cylinder has dropped below 40 psi and is connected to the manifold or a cylinder has been disconnected from the manifold a red LED will represent that cylinder WARNING DO NOT disconnect a hose cylinder without relieving the pressure first Severe bodily harm may occur if the line is not relieved prior to disconnection www amico com 11 Testing TESTING FOR N20 EMERGENCY CUT OFF 1 Make sure the pressure is stable in both gases and the line pressures read 50 psi Once this has been confirmed close BOTH oxygen cylinder valves 2 Open the cabinet to obtain access to the manifold blocks Locate the dip switch on the circuit board and confirm switch 2 is in the OFF position 3 Locate the Bleed Valve refer to page 11 Dip Switch AT 2 0 TA q Aa a 111111111117 ES Pr Vv mai N 4 Slowly push the Bleed Valve and release pressure on the In Use green LED oxygen cylinder The system will change over to the reserve tank 5 After change over has occurred bleed the now active In Use green LED oxygen cylinder to simulate both tanks depleting Once both pressures have depleted both tanks will be represented with red Empty LED s and the LED display will read LO 6 Atthis time the nitrous oxide LED display will show OFF and will flash showing that the nitrous oxide has been closed due to lack of oxygen in the system An alarm will be heard on both the manifold as well as th
10. e RAC Cylinder LED s will show yellow while the nitrous oxide cut off is active 7 Open the flow of nitrous oxide in the rooms and scavenge the gases out of the room as you test the room You should notice initial flow in the rooms then a slowing of flow as the line pressure decreases and then eventually stopping Close all flow in the rooms 8 S L O W L Y open oxygen cylinders one at a time NOTE When both cylinders are off and the system is empty whichever cylinder you open first that cylinder will become the cylinder in use 9 Pressures should return to normal and one tank will be represented by a green In Use LED and the other represented by a yellow Reserve LED 10 Close manifold door and note pressures 12 Amico Corporation Testing TESTING FOR AUTOMATIC CHANGE OVER CAN BE PERFORMED FOR EITHER GAS 1 Make sure the pressure is stable and the line pressures reads 50 psi pushing the Bleed Valves on all cylinders will make certain the lines are stable Once this has been confirmed close the cylinder valve that is represented by the green LED 2 Push the Bleed Valve on the same side as the closed cylinder allowing the cylinder pressure to drop Once the pressure gets below the low set point the system will change over to the reserve tank previously represented by the yellow LED The closed cylinder will show a red Empty LED and the In Use cylinder will show a green LED 3 An alarm will sound on both the manifold as w
11. e system is not in use This ensures that a dangerous condition will not occur if the lines are left open Simply press the Stand By button to return the manifold to full operation NOTE If equipment in the operating room has not been fully closed while in stand by mode the line pressure will deplete An initial alarm may occur immediately after returning the manifold into service Once pressures have been re established all alarms should clear CHECK VALVES The manifold is equipped with internal check valves to avoid gas migration from the left side to the right side and vice versa Check valves are located immediately after the solenoids REMOTE ALARM CONTROLLER The Remote Alarm Controller RAC is intended to relay information from the manifold room to an area of the office that is consistently monitored The RAC relays vital manifold information including high low line pressures and reserve cylinder status The RAC will also allow the facility to place the unit in temporary stand by mode as well as mute any alarms The RAC contains a speaker that provides an auditory signal when the system is in alarm mode 8 Amico Corporation Installation Instructions INSTALLATION OF THE MANIFOLD 1 Remove contents from box and confirm that all required equipment has been supplied Do not discard packing material until the system is in full operation Keep all manuals and warranty cards 2 Remove manifold from box and inspect for damage
12. ell as the RAC You can mute the alarm using the Mute button 4 Return the system to normal by S L O W L Y opening the closed cylinder Pressure will return to normal and the Empty cylinder will then be represented by a yellow Reserve LED Line Bleed Valves Bleed Valves www amico com 13 Testing SWITCHING IN USE CYLINDER 1 Open the cabinet to reveal the manifold interior Locate the switching buttons on the inside of the circuit board NITROUS OXIDE da 3 Ly EF FP Circuit Board Cover 2 Push the button and watch the LED s switch between green In Use and yellow Reserve this function will not be allowed if the Reserve cylinder is empty or if the pressure is too high 3 Select the appropriate cylinder for In Use 4 Close the manifold door and note pressures SYSTEM STAND BY 1 To place the system in stand by mode push and hold the Stand By button for five seconds on either the manifold or the RAC This safety feature prevents the system from entering the stand by mode if the button is pressed accidently 2 When in stand by mode all solenoids will close restricting the flow of all gases When in stand by mode a red LED located below the Stand By button will illuminate All other electronic components will turn off NOTE NFPA requires the cylinder tanks to be closed while the system is not in use To put the system back in operation push the Stand By button 3 Check that all LED s are in their
13. ers is depleted the manifold will automatically switch to the secondary bank of cylinders without interruption of gas flow to the facility The red LED will illuminate when the cylinder has depleted less than 40 psi total tank pressure In the event an audible alarm is required in multiple locations of a facility the manifold is equipped with dry contacts to allow for a remote buzzer to be installed One or both sets of contacts may be wired to an external alarm remote buzzer and or a building management system to indicate when an alarm condition occurs y wa 9 e w ouA wo erp i Rasa BRIS 7 4 7 ht SIT NITROUS A Sse LINE s a C2 prua _ e _ Dry Contacts 6 Alarm ihiiiiiig wr red 011 wm art _ a Normal green 7 cm 4 an i xi x16 x17 Y Remote Alarm Controller RAC 6 Amico Corporation Description of the Parts For both gases when replacement cylinders are attached to the depleted bank the red LED goes out and the yellow LED illuminates indicating that the bank has been automatically designated as the Reserve supply No other user interaction is required Gi NOTE Always confirm total tank pressure by reading the High Pressure gauge on the regulator This will confirm that a full tank has been installed Connections from the manifold to the remote alarm controller RAC must be made using a CAT5 or CATE cable supplied by others External power
14. nder The following colors indicate the status of each cylinder e Green In Use e Yellow Stand By Ready e Red Empty When the primary cylinder has been depleted the manifold will automatically switch to the secondary reserve cylinder without interrupting the supply of gas to the facility The red LED will illuminate and an alarm will sound when a bank has depleted and requires replacement The Amico Automatic Dental Gas Manifold is designed in accordance with the National Fire Protection Association NFPA 99 FEATURES Input power to the manifold is 13 5 VDC 1 7 A Incorporates six multicolored LED s three per gas with two large LED digital pressure displays High pressure cylinder regulators Manifold complies with NFPA 99 Line sensors can be mounted within the Amico zone valve box for remote installations The line sensor module is the smallest computer calibrated temperature compensated sensor in the industry Self diagnostic circuitry with error display for problem identification Highly accurate solid state pressure Piezo resistive transducer Integrated dry contacts for additional remote monitoring for multiple locations and building management systems 4 Amico Corporation Description of the Manifold SHIPMENT DETAILS The manifold system will contain the following items e Manifold control panel with power supply assembly e Remote alarm controller RAC e 2x Oxygen high pressure regulators e 2x Nitr
15. normal status 14 Amico Corporation Testing TESTING THE SYSTEM To test the system press and hold the Mute button for five seconds At this time the manifold display will begin a self diagnostic test and then return to normal working condition TESTING THE REMOTE ALARM CONTROLLER 1 Make certain the remote alarm controller RAC is connected via a CAT5 or CATE cable 2 Confirm the following a b Line pressure LED s correspond to the manifold LED s Reserve LED s are green when the Reserve is ready to use or red when the Reserve is empty A CAUTION Tampering with gas specific connections is prohibited Do not alter remove or modify gas specific connections Keep all manifold parts tools and work surfaces free of oil grease and dirt These and other flammable materials may ignite when exposed to high pressure oxygen or nitrous oxide Do not use chemicals lubricants or sealants unless specified in these instructions Before connecting a cylinder to the manifold momentarily open and close cylinder valve to blow out dirt and debris After connecting cylinder to manifold open the cylinder valve S L O W L Y to allow heat of compression to dissipate Do not use flame or sniff tests for leaks Do not apply heat to any part of the manifold system Always secure high pressure cylinders with racks straps or chains Unrestrained cylinders may fall over and damage or break cylinder valve Do not repeatedly
16. ous oxide high pressure regulators e 2x DISS oxygen hoses e 2x DISS nitrous oxide hoses e 2x Double tank restraints e Installation operation and service manual The manifold is designed to be mounted directly to a wall that is capable of supporting the equipment THE MANIFOLD ENCLOSURE The enclosure on this manifold is NEMA 1 general purpose applications only A CAUTION This cabinet must not be mounted outdoors The manifold has a door that opens to allow full access to internal components The pre assembled circuit board is located on the inside of the door allowing easier access This design will reduce installation time and eliminate the risk of improper installation since all the components of the manifold are connected and tested at the factory THIS MANIFOLD TO BE INSTALLED INDOOR ONLY FN OXYGEN REGULATORS TO BE SET 50 PSI NITROUS REGULATORS o DTA e ig i we n a DR RELIEF VALVES SET rsesi ENE y 48 j E i 4 R LEED VALVES y A Ao is BLEED VALVES N20 FLOW WILL oy AUTOMATICALLY SHUT OFF WHEN OXY TURNED OFF OR x a gt y kd ge DE i i 1 re ijl ta 18 meh E E np eP PUT Li ports i SA Al www amico com 5 Description of the Parts Manifold Display Board The LED s on the front of the Manifold indicate that status of each cylinder Each cylinder is represented by a lit LED mete When the primary bank of cylind
17. tain the manifold properly The manifold must be checked periodically Parts that are broken missing worn distorted or contaminated must be replaced immediately Should such repair or replacement become necessary please contact Amico Corporation or its distributors Equipment under warranty should not be repaired or altered without prior written approval from Amico Corporation or its distributors Failure to comply will void all warranty on the manifold Statements in this manual preceded by the words WARNING CAUTION DANGER and NOTE are of special significance Please read these sections carefully WARNING Denotes steps which can prevent injury CAUTION Denotes steps which can prevent damage to equipment DANGER Denotes steps which can prevent electrical shock to equipment or prevent serious injury and or death NOTE Denotes steps that point out helpful information www amico com 3 Introduction The Amico Automatic Dental Gas Manifold is designed to provide a reliable uninterrupted supply of gas to a dental facility The manifold has the ability to control up to four high pressure cylinders divided into two equal banks per gas The active bank is designated as the primary or In Use source of gas while the other bank will serve as a secondary or Reserve source A display of LED s on the front of the manifold indicates the status of the gas supply Each gas will have two multicolor LED s that will show the status of each cyli
18. th the procedure may be hazardous A WARNING Fire Hazard DO NOT permit smoking or any other source of ignition in area where the manifold is located or near the relief valve vent outlet Be certain that all connections are free of dirt grease and oil These substances burn with great intensity in air enriched with oxygen or nitrous oxide and some gas mixtures 16 Amico Corporation Optional Equioment A valve box with sensor provisions can be installed in the dental facility to monitor the line pressures downstream of the manifold Zone valve boxes shall be an Amico Alert 1 series Each sensor valve combo is supplied with a street elbow 1 8 MNPT x 1 4 FNPT to connect a DISS fitting one for each valve The elbow is to be installed on site with the gas specific pressure sensor Each sensor will have a terminal block to connect the negative and positive wires The terminal blocks shall be assembled into the valve box Once the sensors are installed into the valve box they can be wired back to the manifold The cable used shall be Belden 8451 or equivalent 22 gauge shielded twisted pair for multiple sensors a multi conductor shielded twisted pair cable should be used CONNECTING THE REMOTE SENSOR WIRES TO THE MANIFOLD e Unplug the manifold power connector Open the Manifold door and locate the plate covering the circuit board Remove bolts and take out the protective cover e Locate the sensor wires on the manifold labelled
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