Amana GCIS, Installation Instructions Manual

Page 1: ...ed in this Installation Manual areintendedassupplementaltoexistingpractices However ifthereisadirectconflictbetweenexisting practices and the content of this manual the precautions listed here take precedence October 2001 Rev 5 10759825 Amana Forced Air Central Furnace Design Complies With Requirements Embodied in The American National Standard National Standard of Canada Shown Below ANSI Z21 47 C...

Page 2: ... To The Installer Before installing this unit read this manual to familiarize yourself on the specific items which must be adhered to such as maximum external static pressure to unit air temperaturerise minimumormaximumCFM motorspeed connections andventing Thesefurnacesaredesignedfor Category I venting only WARNING Topreventpossibledeathorpersonalinjury due to asphyxiation Amana Non Condensing Gas...

Page 3: ...accordance with ASHRAE Guide or Manual J Load Calculations published by the Air Conditioning Contractors of America Obtain from American National Standards Institute 1430 Broadway New York NY 10018 WARNING To prevent possible death personal injury or property damage do not install this unit in a mobile home trailer or recreational vehicle ADDITIONAL SAFETY CONSIDERATIONS This furnace is approved f...

Page 4: ...not apply to 1 direct vent equipment which is constructed and installed so that all air combustion is obtained from the outside atmosphere and all flue gases are discharged to the outside atmosphere or 2 enclosed furnaces which incor porate an integral total enclosure and use only outside air for combustion and dilution of flue gases b Equipment shall be installed in a location in which the facili...

Page 5: ...end of attic Figure 2 Equipment Located in Confined Spaces All Air from Outdoors Inlet Air from Ventilated Crawl Space and Outlet Air to Ventilated Attic See 5 3 3 b 2 When communicating with the outdoors through vertical ducts each opening shall have a minimum free area of 1 square inch per 4 000 BTU per hour of total input rating of all equipment in the enclosure Figure 3 Furnace Water Heater Ou...

Page 6: ...s venting at a non positive pressure A furnace vented as Category I is considered a fan assisted appliance and does not have to be gas tight NOTE Two stage gas furnaces with induced draft blowers draw prod ucts of combustion through a heat exchanger allowing in some instances common venting with natural draft appli ances i e water heaters All installations must be vented in accordance with Nationa...

Page 7: ...induced draft blower discharging from the top of the furnace Top is as viewed for a counterflow installation The induced draft blower can be rotated 90 degrees counterclockwise for Category I venting with the indoor airflow horizontal right to left Figure 6 For horizontal venting a three inch B vent pipe can be used to extend the induced draft blower outlet 1 2 beyond the furnace cabinet Vent the ...

Page 8: ...r design certified input rate within the specified altitude range Highaltitudekitsarepurchasedaccordingtotheinstallation altitude and usage of either natural or propane gas Refer to the product Specification Sheet or an Amana distributor for a tabular listing of appropriate altitude ranges and corresponding manufacturer s high altitude Natural Pro pane Gas and or Pressure Switch kits Do not derate...

Page 9: ... drip leg to trap dirt and moisture before it can enter the gas valve The drip leg must be a minimum of three inches long Install a 1 8 NPT pipe plug fitting accessible for test gage connection immediately upstream of the gas supply connection to the furnace Use two pipe wrenches when making connection to the gas valve to keep it from turning The orientation of the gas valve on the manifold must b...

Page 10: ...y a transition piece from 1 2 to another pipe size Figure 11 Gas Inlet Through Furnace Left Side Upflow Figure 12 Gas Inlet Through Furnace Top Side Upflow The gas piping connections shown in Figures 10 and 12 are for a furnace equipped for a right hand discharge Figure 13 Adaptation for left hand discharge should be self explanatory Figure 13 Horizontal Furnace Right Hand Discharge Counterflow In...

Page 11: ...ng its manual shutoff valve before pressure testing of gas supply piping system with test pressures equal to or less than 1 2 psig 3 48 kPa Propane Gas Tanks and Piping WARNING Propane gas is heavier than air and any leaking gas can settle in any low areas or confined spaces To prevent death personal injury or property damage due to fire or explosion caused by a propane gas leak installagasdetecti...

Page 12: ...econd Stage Regulator and Appliance Maximum Propane Capacities Listed are Based on 1 2 W C pressure drop at 11 W C setting Capacities in 1 000 BTU hour Vl Electrical Wiring WARNING To prevent death or personal injury due to electricshock disconnectelectricalpower before changing any electrical wiring CAUTION When servicing controls label all wires before disconnecting Wiring errors can cause impro...

Page 13: ...et to left side of furnace where the junction box was using the screws saved in Step 5 The L bracket must point toward the front of thefurnace Reroutepressureswitchwiresthroughthe split grommet on the left side of the blower deck Reconnect wires using the wiring diagram inside the blower door 10 Reroute remaining wires through split grommet on the right side of the blower deck 11 Insert remaining ...

Page 14: ...ory Operation Accessory Operation The furnace control module ener gizes the humidifier whenever the induced draft blower is energized when an air cleaner is installed on the system the humidifier is not energized until the air cleaner is energized The control module energizes the air cleaner whenever the air circulation blower is energized VlI Circulating Air and Filters DUCTWORK AIR FLOW Duct sys...

Page 15: ... follow the filter sizes given in the Specifications Sheet to ensure proper unit performance The following figures show possible filter locations CENTRAL RETURN GRILLE F I L T E R SIDE RETURN EXTERNAL FILTER RACK KIT EITHER SIDE F I L T E R F I L T E R SIDE RETURN INTERNAL FILTER RETENTION EITHER SIDE AIR FLOW F I L T E R Figure 26 Possible Upright Upflow Filter Locations AIR FLOW F I L T E R FILT...

Page 16: ... to customize the comfort level based on the predominant staging requirements of the living space IX Start Up Adjustments and Checks GENERAL OPERATION This furnace is equipped with an electronic ignition device to light the burners and an induced draft blower to exhaust combustion products An interlock switch prevents furnace operation if the blower door is not in place Keep the blower access door...

Page 17: ...ect vent furnace and it cannot be installed as a direct vent furnace The burner box is present only to reduce the burner sound transmission AUXILIARY LIMIT CONTROL A manual reset limit is located on the blower side of the blower deck near the center To access this auxiliary limit disconnect the electrical power and remove the blower door If the limit control opens the air circulation blower and in...

Page 18: ...ff High Low Off 0 10 27 31 34 64 0 5 30 60 90 120 or 180 Air Circulator Blower Gas Valve Ignitor Pressure Switches Induced Draft Blower Thermostat High Low Off High Low Off On Off PS2 Closed PS1 Closed Open High Low Off High Low Off Example 2 Continuous Call For High Stage Heat Only Timing Charts For Two Stage Integrated Ignition Control Operation Example 1 Continuous Call For Low Stage Heat Only ...

Page 19: ...f PS2 Closed PS1 Closed Open High Low Off High Low Off 0 10 27 31 34 64 0 5 30 60 90 120 or 190 Air Circulator Blower Gas Valve Ignitor Pressure Switches Induced Draft Blower Thermostat High Low Off High Low Off On Off PS2 Closed PS1 Closed Open High Low Off High Low Off Call Change to High Heat Call Change to Low Heat 30 Seconds After Call Change to Low Heat Example 3 Initial Call For Low Heat Ch...

Page 20: ...ressor Thermostat Light Signal For Corrective Action Refer to Abnormal Operation Number Continuous Light 1 Internal Lockout 1 Flash 2 External Lockout 2 Flashes 3 Pressure Switch Stuck Closed 3 Flashes 4 Pressure Switch Stuck Open 4 Flashes 5 Thermal Protection Device Open Continuous Flashing 6 Flame Sensed No Call For Heat Stat Recovery 1 4 Second on 1 4 Second Off ...

Page 21: ...ng off the electrical disconnect switch to the furnace for 30 seconds The control will reset after two hours IMPORTANT If you have to frequently reset your furnace it means that a problem exists that should be corrected Contact a qualified servicer for further information 3 Pressure Switch Stuck Closed A sticking pressure switch can be caused by either a faulty pressure switch faulty wiring a disc...

Page 22: ...gure 33 As an alternative method inlet gas pressure can also be measured by removing the cap from the drip leg and installing a predrilled cap with a hose fitting See Figure 35 With Power and Gas On 2 Put furnace into heating cycle and turn on all other gas consuming appliances Inlet Gas Pressure Natural Min 5 0 W C Max 10 0 W C Propane Min 11 0 W C Max 13 0 W C Figure 34 Inlet Gas Pressure Note I...

Page 23: ...d to PARK terminals on the control must be taped to prevent shorts Gas Adjustments Natural Gas 1 Adjust the high stage regulator to required manifold pressure setting 2 Reinstall high stage cap screw 3 Recheck manifold pressure setting with cap on 4 Adjust low stage regulator to required manifold pres sure setting 5 Reinstall low stage cap screw 6 Make sure furnace operates at the proper manifold ...

Page 24: ...tersarethe most common cause of inadequate heating or cooling performance WARNING To prevent death personal injury or property damage due to electrical shock disconnect electrical power to furnace before removing filter or performing any other maintenance Become familiar with filter location and procedures for removal cleaning and replacing them If help is needed contact the installer of the furna...

Page 25: ...ce can be used in a counterflow installation The furnace mounted filter rack includes a rack mounted on the top of the furnace Two filters fit into the rack and rest against the sides of the return air plenum forming a V above the furnace The filters should be inspected frequently and cleaned or replaced when necessary If using a media air cleaner MAC1 orelectronicaircleaner EAC5 followinstruction...

Page 26: ...ble Attach a variable speed reversible drill to the other end of the spring cable Slowly rotate the cable with the drill and insert it into one of the primary heat exchanger tubes While reversing the drill work the cable in and out several times to obtain sufficient cleaning Use a large cable for the large tube and then repeat the operation with a small cable for the smaller tube Repeat for each t...

Page 27: ... be ordered by description 3 Parts are available from your Amana distributor Gas Valve Gas Orifice Natural Gas Orifice Propane Burner Igniter Flame Sensor Gas Manifold Ignition Control Limit Switch Pressure Switch Pressure Switch Hose Induced Draft Blower Collector Box Blower Box Gasket Flame Rollout Switch Auxiliary Limit Heat Exchanger Door Switch Transformer Blower Wheel Blower Housing Blower C...