Goodman CONDENSING UNIT Скачать руководство пользователя страница 23 | Manualshive

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Содержание CONDENSING UNIT

Страница 1: ...ditioning system Vacuums this low can cause internal electrical arcing resulting in a damaged or failed compressor CAUTION Important Note to the Owner Regarding Prod uct Warranty Your warranty certificate is supplied as a separate document with the unit installed by your contractor Read the limited warranty certificate carefully to determine what is and is not covered and keep the warranty certifi...

Страница 2: ...ed between the con densing unit legs or frame and the roof mounting assembly to reduce noise vibration NOTE These units require special location consideration in areas of heavy snow accumulation and or areas with prolonged continuous subfreezing temperatures Heat pump unit bases have cutouts under the outdoor coil that permit drainage of frost accumulation Situate the unit to permit free unobstruc...

Страница 3: ...s are recommended for line lengths of 79 feet or less For other line sizing options or runs of more than fifty feet refer to Remote Cooling Service Manual or TP 106 Long Line Set Application R 22 or contact your distributor for assis tance Cond Unit Tons Suct Liq Suct Liq Suct Liq 1 1 2 5 8 1 4 3 4 3 8 3 4 3 8 2 5 8 1 4 3 4 3 8 3 4 3 8 2 1 2 5 8 1 4 3 4 3 8 7 8 3 8 3 3 4 3 8 7 8 3 8 1 1 8 3 8 3 1 ...

Страница 4: ... formation of copper oxide in side the refrigerant lines This may cause a blockage or failure of the metering device 3 After brazing quench the joints with water or a wet cloth to prevent overheating of the service valve 4 Ensure the filter drier paint finish is intact after brazing If the paint of the steel filter drier has been burned or chipped repaint or treat with a rust preventative This is ...

Страница 5: ...s may be present or the system may have a small leak Return to step 2 If the same result is encountered check for leaks as previously indicated and repair as necessary then repeat evacuation If pressure rises above 2000 microns a leak is present Check for leaks as previously indicated and repair as nec essary then repeat evacuation Electrical Connections HIGH VOLTAGE Disconnect ALL power before se...

Страница 6: ...es with retainers open each valve only until the top of the stem is 1 8 from the retainer To avoid loss of refrigerant DO NOT apply pressure to the retainer When open ing valves without a retainer remove service valve cap and in sert a hex wrench into the valve stem and back out the stem by turning the hex wrench counterclockwise Open the valve until it contacts the rolled lip of the valve body NO...

Страница 7: ...YSTEM SUPERHEAT Return Air Temperature 50 RH 5 Ambient Condenser Inlet Temperature F Drybulb 6 5 9 5 10 11 5 5 17 5 5 5 18 20 5 5 12 22 5 6 15 24 25 5 5 10 20 29 8 15 21 28 31 5 10 20 25 Charge Verification REFRIGERANT UNDER PRESSURE Do not overcharge system with refrigerant Do not operate unit in a vacuum or at negative pres sure Failure to follow proper procedures may cause property damage perso...

Страница 8: ... 130 73 140 78 150 83 160 86 170 90 SATURATED SUCTION PRESSURE TEMPERATURE CHART LIQUID PRESSURE SATURATED LIQUID TEMPERATURE ºF PSIG R 22 200 101 210 105 220 108 225 110 235 113 245 116 255 119 265 121 275 124 285 127 295 130 305 133 325 137 355 144 375 148 405 155 415 157 425 n a 435 n a 445 n a 475 n a 500 n a 525 n a 550 n a 575 n a 600 n a 625 n a SATURATED LIQUID PRESSURE TEMPERATURE CHART ...

Страница 9: ... at least 10 minutes to allow pressure to stabilize 2 Temporarily install thermometer on liquid small line near liquid line service valve with adequate contact and insu late for best possible reading 3 Check subcooling and superheat Systems with TXV ap plication should have a subcooling of 7 2 ºF and super heat of 8 1 ºF a If subcooling and superheat are low adjust TXV to 7 to 9 ºF superheat then ...

Страница 10: ...ded Fan Motor Test Motor Windings Improper Cooling Anticipator Check Resistance of Anticipator Shortage of Refrigerant Test For Leaks Add Refrigerant Restricted Liquid Line Remove Restriction Replace Restricted Part Open Element or Limit on Elec Heater Test Heater Element and Controls Dirty Air Filter Inspect Filter Clean or Replace Dirty Indoor Coil Inspect Coil Clean Not enough air across Indoor...

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Страница 12: ...irflow If cleaning of the outdoor coil becomes necessary hire a qualified servicer Inexperienced people could easily puncture the tubing in the coil Even a small hole in the tubing could eventually cause a large loss of refrigerant Loss of refrigerant can cause poor operation and or severe equipment damage Do not use a condensing unit cover to protect the outdoor unit during the winter unless you ...

Страница 13: ...L RATING PLATE UNITS SHIPPED WITH A HOLDING CHARGE ARE INTENDED FOR COMPONENT REPLACEMENT ONLY ON EXISTING SYSTEMS AND NOT INTENDED FOR USE IN NEW SYSTEMS OR NEWLY CONSTRUCTED HOMES NOTICE NOTICE UNITS MUST ONLY BE USED AS REPLACEMENT COMPONENTS FOR PRE 2010 INSTALLED SYSTEMS Shipping Inspection Always keep the unit upright laying the unit on its side or top may cause equipment damage Shipping dam...

Страница 14: ...ort the unit A concrete slab raised above ground level pro vides a suitable base The selected site should be no greater than 50 below or 70 above the evaporator section For optimum performance the minimum length interconnecting tubing is preferred When possible minimize the amount of bends and turns Rooftop Installations If it is necessary to install this unit on a roof structure ensure the roof s...

Страница 15: ...r coil to prevent refrigeration migration in the compressor OFF cycle Use only refrigerant grade dehydrated and sealed copper tubing to connect the condensing unit with the indoor evapo rator After cutting the tubing install plugs to keep refriger ant tubing clean and dry prior to and during installation Tub ing should always be cut square keeping ends round and free from burrs Clean the tubing to...

Страница 16: ...E EVACUATED AND CHARGED PER INSTALLATION INSTRUCTIONS WITH REFRIGERANT LISTED ON SERIAL RATING PLATE UNITS SHIPPED WITH A HOLDING CHARGE ARE INTENDED FOR COMPONENT REPLACEMENT ONLY ON EXISTING SYSTEMS AND NOT INTENDED FOR USE IN NEW SYSTEMS OR NEWLY CONSTRUCTED HOMES NOTICE NOTICE UNITS MUST ONLY BE USED AS REPLACEMENT COMPONENTS FOR PRE 2010 INSTALLED SYSTEMS NOTE Holding charge must be removed b...

Страница 17: ...ING CHARGE ARE INTENDED FOR COMPONENT REPLACEMENT ONLY ON EXISTING SYSTEMS AND NOT INTENDED FOR USE IN NEW SYSTEMS OR NEWLY CONSTRUCTED HOMES NOTICE NOTICE UNITS MUST ONLY BE USED AS REPLACEMENT COMPONENTS FOR PRE 2010 INSTALLED SYSTEMS NOTE Holding charge must be removed before brazing 1 Openservice valves before attaching vacuum pump 2 Connect the vacuum pump with 250 micron capability to the se...

Страница 18: ... the percentage of voltage unbalance for your unit Percentage Voltage Unbalance 100 x Max Voltage Deviation Form Average Voltage Average Voltage Example L1 L2 220V L2 L3 216V Average Voltage 220 216 213 3 649 3 Maximum Deviation from Average 220 216 4 Voltage Unbalance 100 x 4 216 400 216 10 15 20 25 30 35 40 45 14 75 50 37 NR NR NR NR NR 12 118 79 59 47 NR NR NR NR 10 188 125 95 75 63 54 NR NR 8 ...

Страница 19: ...side the control panel cover Low Voltage Connections Condensing unit control wiring requires a five conductor low voltage circuit from the room thermostat without options The wires should be no smaller than 18 AWG and the field connection for this circuit must be made in the unit control box using solderless connectors i e wire nuts See the fol lowing diagram for a typical low voltage hook up SING...

Страница 20: ...E Check the Schrader ports for leaks and tighten valve cores if necessary Install caps finger tight System Charging Heating Mode Measure the hot gas dis charge at the compressor to check the system charge in heat mode 1 Allow the system to operate for at least 20 minutes 2 Attach and insulate an electronic thermometer to the hot gas discharge line mid way between the compres sor and the reversing ...

Страница 21: ...2 minutes check the defrost thermostat for 24V between DFT and C This reading should be 0V open sensor 9 Shut off power to the unit 10 Replace outdoor fan motor wire removed in Step d NOTE The compressor run time is accumulative during multiple heating cycles The timer will reset to zero only when the defrost sensor returns to an open condition If the room thermostat is operating in the EM HT mode...

Страница 22: ...s 5 Clean or replace filter 6 Coil frosted up 6 Defrost and clean coil Clean or replace filters 7 Flash gas in the liquid line 7 Excessive liquid line drop Check liquid line size 8 Quantity of air through evaporator not adequate 8 Increase the blower speed 1 Expansion valve stuck open 1 Correct valve action or replace the valve 2 Expansion valve bulb not in contact with suction line 2 Fasten bulb ...

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Страница 24: ...ity standards regardless of size or efficiency We have designed these units to significantly reduce the most frequent causes of product failure They are simple to service and forgiving to operate We use quality materials and components Finally every unit is run tested before it leaves the factory That s why we know There s No Better Quality Visit our website at www goodmanmfg com or www amana hac ...

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