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American Standard 4A6Z0, Руководство по установке

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11-BC25D1-7

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

IMPORTANT — This Document is customer property and is to remain with this unit.  Please return to service informa-
tion pack upon completion of work.

Air Conditioner/Heat Pumps

These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with 
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the 
purchaser’s purposes, the matter should be referred to your installing dealer or local distributor.

NOTE: The manufacturer recommends installing only approved matched indoor and outdoor systems. All of the manufacture’s split 

systems are A.H.R.I. rated only with TXV/EEV indoor systems. Some of the benefits of installing approved matched indoor and 

outdoor split systems are maximum efficiency, optimum performance and the best overall system reliability.

4A7Z0/4A6Z0 with AccuLink

TM

 and Charge Assist

TM

Installer’s Guide

Table of Contents

Section 1. Safety ..................................................................................... 2
Section 2. Unit Location Considerations.............................................. 3
Section 3. Unit Preparation .................................................................... 5
Section 4. Setting the Unit ..................................................................... 5
Section 5. Refrigerant Line Considerations ......................................... 6
Section 6. Refrigerant Line Routing ..................................................... 7
Section 7. Refrigerant Line Brazing ...................................................... 8
Section 8. Refrigerant Line Leak Check ............................................. 10
Section 9. Evacuation ........................................................................... 11
Section 10. Service Valves ................................................................... 11
Section 11. Electrical - Low Voltage .................................................... 12
Section 12. Electrical - High Voltage ................................................... 17
Section 13. Start Up .............................................................................. 18
Section 14. System Charge Adjustment ............................................. 19
Section 15. Checkout Procedures and Troubleshooting ................... 30

Содержание 4A6Z0

Страница 1: ...indoor and outdoor systems All of the manufacture s split systems are A H R I rated only with TXV EEV indoor systems Some of the benefits of installing approved matched indoor and outdoor split system...

Страница 2: ...exercised when opening the Liquid Line Service Valve Turn counterclockwise until the valve stem just touches the rolled edge No torque is required Failure to follow this warning will result in abrupt...

Страница 3: ...7 330 4A6Z0036B 45 x 34 x 37 335 4A6Z0048A B 45 x 34 x 37 420 4A6Z0060A 45 x 34 x 37 420 Weight values are estimated uncrated 1 The maximum length of refrigerant lines from outdoor to indoor unit shou...

Страница 4: ...water or icicles from falling directly on the unit NOTE It is recommended that these precau tions be taken for units being installed in areas where snow accumulation and prolonged below freezing tempe...

Страница 5: ...g the unit on a support pad such as a concrete slab consider the following The pad should be at least 1 larger than the unit on all sides The pad must be separate from any structure The pad must be le...

Страница 6: ...irect metal to metal contact Vapor Line Liquid Line Insulation Determine required line length and lift You will need this later in STEP 2 of Section 14 Total Line Length __________ Ft Total Vertical C...

Страница 7: ...due to vibration transmission from the refrigerant lines For Example When the refrigerant lines have to be fastened to floor joists or other framing in a structure use isolation type hangers Isolatio...

Страница 8: ...r other appropriate method every 8 ft 8 Feet Maximum Isolation Through Wall DO NOT hang line sets from ductwork Sealant Insulation Vapor Line Wall Ductwork Isolator Line Set Section 7 Refrigerant Line...

Страница 9: ...avoid heat damage and continue the dry nitrogen purge Braze the refrigerant lines to the service valves Continue the dry nitrogen purge Do not re move the wet rag until all brazing is completed Import...

Страница 10: ...2 Check for leaks by using a soapy solu tion or bubbles at each brazed location Remove nitrogen pressure and repair any leaks before continuing Section 8 Refrigerant Line Leak Check 8 1 Check For Leak...

Страница 11: ...e blank off the vacuum pump and micron gauge and close the valves on the manifold gauge set 1 MIN Section 10 Service Valves 10 1 Open the Gas Service Valve Important Leak check and evacuation must be...

Страница 12: ...lockwise until the valve stem just touches the rolled edge No torque is required Failure to follow this warning will result in abrupt release of system charge and may result in personal injury and or...

Страница 13: ...stat or connected to the External Switch terminals on the AFC See External Switch wiring section in the air handler Installer s Guide 4 For 24 VAC Outdoor equipment accessory BAYCC24VK01A must be orde...

Страница 14: ...tioner or Heat Pump Note 4 Note 5 Neatly bundle all low voltage wires behind the service valve cover as shown Yellow Red Field wiring Yellow Blue Black X2 Red Orange Red Yellow Orange Green White Blue...

Страница 15: ...Notes 1 See User Interface setup menu for 24 VAC control mode and cooling CFM options 2 First stage CFM for 4A7Z0 and 4A6Z0 equals 50 3 For furnace heat pump applications comfort control must be dual...

Страница 16: ...normal operation the status LED will flash once each second If the light is flashing more than once per second or not at all refer to the Service Facts for that unit PIN IDENTIFICATION 1 TEST_COMMON...

Страница 17: ...Voltage Ground Ground the outdoor unit per national state and local code requirements Install a separate disconnect switch at the outdoor unit For high voltage connections flexible electri cal condui...

Страница 18: ...to apply power to the indoor and outdoor units STEP 5 Set system thermostat to ON OFF DONE CANCEL ON OFF STEP 4 Wait one 1 hour before starting the unit if compressor crankcase heater acces sory is u...

Страница 19: ...ooling mode with outdoor ambient temperature below 55 F For best results the indoor temperature should be kept between 70 F to 80 F STEP 1 Use the refrigerant line total length and lift measurements f...

Страница 20: ...TOTAL REFRIGERANT LINE LENGTH FEET TABLE A TABLE B REFRIGERANT LINE LIFT FEET Dip Switch 2 ON Dip Switch 3 ON All other approved matched systems Max Lift 25 20 15 10 0 10 20 25 30 40 60 80 Dip Switch...

Страница 21: ...ce the system is stabilized watch to see which LED turns on next If the system charge is correct the CHARGED LED will turn on and remain on for one 1 hour Once charged the system will exit Charge Assi...

Страница 22: ...is removed or added the system must be operated for a mini mum of 20 minutes to stabilize before accurate measurements can be made 20 MIN 14 5 Manual Charging Procedure in Cooling between 55 F and 12...

Страница 23: ...a line lift of 15 feet The Dip Switch setting is 2 ON The measured liquid line temperature is 85 F and the Liquid Gage Pressure is 299 PSIG 299 PSIG is shown as the intersection of the Dip Switch ON...

Страница 24: ...210 60 206 213 227 65 221 229 245 70 238 246 264 75 256 264 284 80 275 284 306 85 295 305 329 90 316 327 354 95 339 350 380 100 363 374 407 105 388 400 435 110 415 427 465 115 443 456 497 120 471 485...

Страница 25: ...RESSURE PSIG OUTDOOR TEMPERATURE Degree F COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDOOR TEMP IS ABOVE 65 DEG F TO CHECK COOLING PERFORMANCE SELECT THE PROPER INDOOR CFM ALLOW PRESSURES TO STABIL...

Страница 26: ...arg ing instructions for the heating mode of opera tion For temperatures above 55 F see Sec tion 14 1 NOTE It is important to return in the spring or summer to accurately charge the system in the cool...

Страница 27: ...e service panel will need to be removed to gain access to this area Attach temperature probe and the gage as shown Ensure the probe is securely attached and well insulated Measured Suction Line Temper...

Страница 28: ...rature is above the value that is in line with the mea sured suction gage pressure 1 Connect gages as shown in Step 3 2 Purge all hoses 3 Open bottle 4 Stop adding refrigerant when the suc tion line t...

Страница 29: ...MP IS ABOVE 65 DEG F TO CHECK COOLING PERFORMANCE SELECT THE PROPER INDOOR CFM ALLOW PRESSURES TO STABILIZE MEASURE INDOOR WET BULB TEMPERATURE OUTDOOR TEMPERATURE DISCHARGE AND SUCTION PRESSURES ON T...

Страница 30: ...To obtain proper performance all units must be operated and charge adjustments made Important Perform a final unit inspection to be sure that factory tubing has not shifted during shipment Adjust tubi...

Страница 31: ...C T O R C O I L L O W V O L T A G E F U S E S T U C K C O M P R E S S O R I N E F F I C I E N T C O M P R E F U N D E R C H A R G E R E F O V E R C H A R G E E X C E S S I V E E V A P L O A D N O N C...

Страница 32: ...duct data improvement and it reserves the right to change design and specifications without notice Representative only illustrations included in this document 6200 Troup Highway Tyler TX 75707 www ame...

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