Maytag Amana VZC20 Installation & Service Reference Download Page 42 | Manualshive

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4. From the MENU screen, scroll down and select

COMFORTNET™ USER MENU.

5. Enter Installer password. (The password is the Date

Code located on the thermostat and is available by

entering the EQUIPMENT STATUS menu and

scrolling to the bottom.)

6. Select YES to continue.

7. From the ComfortNet USER MENU,

select HEAT PUMP.

Note: Screen may show air handler

or furnace depending on the type of system installed.

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Summary of Contents for Amana VZC20

Page 1: ...following symbols and labels are used throughout this manual to indicate immediate or potential safety hazards It is the owner s and installer s responsibility to read and comply with all safety info...

Page 2: ...4 Refrigerant Lines 5 Leak Testing Nitrogen Or Nitrogen Traced 7 Electrical Connections 8 System Start Up Procedure 10 Coolcloud Hvac Phone Application 11 Comfortbridge System 13 Heat Pump Advanced F...

Page 3: ...cing a condensing unit heat pump or air handler the system must be manufacturer approved and Air Conditioning Heating and Refrigeration Institute AHRI matched NOTE The installation of an inverter heat...

Page 4: ...his unit on a roof structure ensure the roof structure can support the weight and that proper consideration is given to the weather tight integrity of the roof Since the unit can vibrate during operat...

Page 5: ...through an area that may reach temperatures of 30 F or higher than ambient in cooling mode and or if the temperature inside the conditioned space may reach a temperature lower than ambient in heating...

Page 6: ...6...

Page 7: ...refrigerant lines Kinked or dented lines will cause poor performance or compressor damage Do NOT make final refrigerant line connection until plugs are removed from refrigerant tubing Standing Pressu...

Page 8: ...leak free proceed to system charging and startup 4 If pressure rises above 1000 microns but holds steady below 2000 microns non condensable air or moisture may remain or a small leak is present Retur...

Page 9: ...see the production specification sheet or the unit serial plate must be provided for connection of the unit This circuit must be protected with the required safety devices When using residual current...

Page 10: ...ER CAUTION ENSURE VALVES ARE OPEN AND ADDITIONAL CHARGE IS ADDED BEFORE APPLYING POWER CAUTION Type of Elbow Fittings 3 4 7 8 1 1 8 90 short radius 1 7 2 2 3 90 long radius 1 5 1 7 1 6 45 0 7 0 8 1 In...

Page 11: ...re starting the CHARGE MODE turn off the Cool or Heat mode and electric heater or gas furnace a Inverter units are charged by any of the following methods setting the CR9 menu Charge Mode to ON throug...

Page 12: ...subcooling 8 F 1 F 1 then check the superheat NOTE It is recommended to add charge in 4 oz increments each time to achieve the target subcooling CHECK THE SCHRADER PORTS FOR LEAKS AND TIGHTEN VALVE CO...

Page 13: ...ification terminal Without this type of thermostat dehumidification operation does not work Dehumidification requires a thermostat capable of reading the indoor humidity level and allowing the user to...

Page 14: ...on test is enabled from this menu which enables a functional check of the equipment in addition to ensuring proper stop valve position Cool Set up The system allows for the adjustment of several cooli...

Page 15: ...an attempt to better achieve desired humidity levels When Dehumidification mode exists the circulating fan output is reduced increasing system run time over cooling the evaporator coil and ultimately...

Page 16: ...ted and additional heating is not requested and additional heating is not required All other values mean defrost is being requested and additional heat is being requested DEHUMIDIFICATION REQUEST Requ...

Page 17: ...ft above the indoor unit select INDOOR LOWER RESET FOR SYSTEM SET UP NO or YES Selecting yes will reset any system setting to their factory defaults SYSTEM VERIFICATION TEST OFF or ON System Verifica...

Page 18: ...ompressor into defrost mode during an active heat pump heat call Ensure that the heat pump is operating in heat mode before enabling this option HEAT PUMP HEATING TRIM FACTOR HIGH 1 15 to 15 in 5 incr...

Page 19: ...OR MOTOR HIGH LOW PRESSURE TRANSDUCER H LPT HIGH PRESSURE SWITCH HPS DS1 DS2 DIP SWITCH SEG1 SEG3 7 SEGMENT DISPLAY Z1C Z4C FERRITE CORE BS1 BS3 PUSH BUTTON SWITCH RVC REVERSING VALVE COIL M1C COMPRES...

Page 20: ...RD RD BL U V W M1C BK RD YL M1F BK WH RD RD L2B L1B BK NOISE FILTER BOARD L2A L1A RD BK TRANSFORMER 208 240 V 3 1 2 24V L1C L2C TERMINAL BLOCK FIELD WIRING H LPT GND INVERTER BOARD COMPRESSOR TERMINA...

Page 21: ...ICITY FROM YOUR BODY TO PREVENT FAILURE OF THE PC BOARD 3 MEASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA 4 IMMEDIAT...

Page 22: ...CITY FROM YOUR BODY TO PREVENT FAILURE OF THE PC BOARD 3 MEASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA 4 IMMEDIATE...

Page 23: ...X X X X X X X X X X ID suction temp is too high X X X X X ID suction temp is too low X X X Mixture of non condensible gas X X X X X X X X OD fan motor failure X X X X X X X RV failure X X X X X X X X...

Page 24: ...too low X X X X X X X X X Mixture of non condensible gas X X X X X X X X X X OD fan motor failure X X X X X X X X X RV failure X X X X X X X X X RV coil failure X X X X X X X X X Over charge X X X X X...

Page 25: ...w pressure faults Control has determined continued operation is acceptable This indicates they may be a problem with the equipment Stop valve not completely open Restriction in refrigerant lines Low r...

Page 26: ...Repair replace if needed 32 E32 HI TEMP CTRL1 This error indicates the equipment is experiencing high temperature faults on the outdoor control board Ambient air conditions too high Cooling bracket sc...

Page 27: ...ol has detected a voltage related issue with the compressor High or low voltage from supply The compressor wire is lost phase Faulty control board Correct low high line voltage condition Contact local...

Page 28: ...n motor Replace if needed B9 Eb9 LOW ID AIRFLOW Estimated airflow from motor is lower than the airflow requirement Failed indoor blower motor Indoor fan motor not properly connected Too much static pr...

Page 29: ...he LED status and the corresponding potential problem Green receive LED Indicates network traffic The table below indicates the LED status and the corresponding potential problem Learn button Used to...

Page 30: ...corresponding Screen within the display itself which allows the user to navigate and use the features Example The Fault Code is accessed and displayed from Screen 0 of the 7 segment display The Fault...

Page 31: ...shows the most recent fault To access hold the RECALL button for 5 seconds at screen 0 To access hold the RECALL button for 5 seconds at screen 1 To access hold the RECALL button To access hold the RE...

Page 32: ...w the user to see the six most recent system faults For a list of the fault codes please see the TROUBLESHOOTING tables in this document 1 SCREEN 0 SCREEN 1 The display will change to SCREEN 1 Display...

Page 33: ...etting Press RECALL Press RECALL Item number Display flickers at 1 second intervals Value MONITORING MODE NAVIGATION SCR This screen allows the user to monitor system variables as shown in the tables...

Page 34: ...tem settings as shown in the tables at the end of this section SCREEN 0 Press RECALL Press RECALL to increase the value Press TEST to change setting Press RECALL Press TEST to complete setting and ret...

Page 35: ...the number Press RECALL Press TEST to change setting Press RECALL Press TEST to complete setting and return to setting mode Press RECALL Press RECALL Press RECALL SCREEN 0 OFF ON Blink interval 0 4 s...

Page 36: ...0 Stop 1 Cooling Start up 2 Heating Start up 3 Oil Return Operation 4 Heating Operation 5 Defrost Operation 6 Cooling Operation 3 Compressor Reduction Mode 0 OFF 1 ON 4 demand unit Cut off the decima...

Page 37: ...15 High cooling or hea ng NOTE Parameters as per factory se ng are highlighted in bold and underlined combina on trimmore there are restric ons on theposi to con rm the r ow Trim restric ons in the la...

Page 38: ...ning of the outdoor coil becomes necessary hire a quali ed servicer Inexperienced people could easily puncture the tubing in the coil Even a small hole in the tubing could eventually cause a large los...

Page 39: ...tdoor Unit Suction Circuit Pressure Suction Line Temperature PSIG TEMP F Liquid Circuit Pressure Liquid Temperature PSIG TEMP F Outdoor Air Temperature Dry bulb Wet bulb DB F WB F SUPERHEAT SUBCOOLING...

Page 40: ...y sensitive Only the data lines 1 and 2 are required between the indoor and outdoor units Data line terminal 1 from outdoor unit must connect to terminal 1 on indoor unit and data line terminal 2 from...

Page 41: ...section Before starting the SYSTEM TEST turn off the electric heater or gas furnace NOTICE Before starting the SYSTEM TEST turn off the electric heater or gas furnace 1 Ensure the thermostat is insta...

Page 42: ...he password is the Date Code located on the thermostat and is available by entering the EQUIPMENT STATUS menu and scrolling to the bottom 6 Select YES to continue 7 From the ComfortNet USER MENU selec...

Page 43: ...to run for its duration 5 15 minutes EQUIP TEST SCREEN will show the system test is ON once selected System test will operate the outdoor unit and the indoor unit through a series of startup tests Pl...

Page 44: ...odes to clear Set Thermostat to CHARGE MODE Please follow the following sequence to enter CHARGE MODE CHARGE mode allows for charging of the system System operates for a duration of approximately one...

Page 45: ...ler password The password is the Date Code located on the thermostat and is available by entering the EQUIPMENT STATUS menu and scrolling to the bottom 4 Select YES to continue 5 Select HEAT PUMP 6 Se...

Page 46: ...mode If charging is not complete after 1 hour repeat 7 and 8 Refer to Adjust Refrigerant Level and Measure Subcooling to Verify Proper Charge for refrigerant charge level adjustment 9 To terminate CH...

Page 47: ...le only for VZC200 1AB and GVZC20 AA or later revision BOOST MODE performance is most effective when paired with an electronic expansion valve enabled indoor unit BOOST MODE is ON by default and is ac...

Page 48: ...48 4 Select YES to continue 5 Select HEAT PUMP 6 Select SYS SETUP...

Page 49: ...turns BOOST MODE OFF or ON BOOST MODE is on by default 8 BOOST TEMP adjusts the activation temperature from 70 F to 105 F Always ON option is also available to permanently engage BOOST MODE Factory de...

Page 50: ...able and disable dehumidification 1 On the CTK04 HOME screen select MENU 2 From the MENU screen scroll down and select Installer Options 3 Enter installer password if known a The password is the therm...

Page 51: ...times Example A leak in the system low refrigerant charge or an incompletely open stop valve can cause the unit to flash error code E15 This error code suggests that the unit is experiencing operatio...

Page 52: ...7 1 2 minutes The motor then steps up to the full demand airflow Profile D has a 1 2 minute at 50 airflow OFF delay OFF OFF Airflow Tables Dehumidification Select Dehumidification requires a thermost...

Page 53: ...g Within the selected range choose the specific maximum compressor RPS for the system configuration Heat Set Up This menu allows for the adjustment of several heating perfor mance variables Heat Airfl...

Page 54: ...nly for AVZC200 AB and GVZC20 AA or later revision ATPRM is shown in AVZC200 AA and GVZC20 AA revision Only for AVZC200 AB and GVZC20 AA or later revision PSD is shown in AVZC200 AA and GVZC20 AA revi...

Page 55: ...55 NOTE BOOST MODE is applicable only for AVZC200 AB and GVZC20 AA or later revision...

Page 56: ...56 https partnerlinkmarketing goodmanmfg com goodman info finder plus...

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Page 59: ...59 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 60: ...and Quebec residents to register their product does not diminish their warranty rights For Product Registration please register as follows Goodman Brand products https www goodmanmfg com product regis...

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