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Rheem P17 Series, Руководство по установке

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61

Diagnostics

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9.0 DIAGNOSTICS & TROUBLESHOOTING

9.8 Heating Mechanical Checks Flowchart

Содержание P17 Series

Страница 1: ...FOR PROPER INSTALLATION ADJUSTMENT AND OPERATION OF THIS UNIT READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERATION FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN IMPROPE...

Страница 2: ...s 28 5 8 4 Final Charging by Liquid Subcooling 29 5 8 5 R 410ATemperaturePressureChart 29 5 9 Completing Installation 29 6 0NORMALSEQUENCEOFOPERATION 30 32 6 1 Cooling Mode 30 6 2 On Demand Cooling De...

Страница 3: ...injury resulting from the use of such unauthorized components accessories or devices This product is not approved for installation at 2000 meters 6561 feet above sea level or higher Installation at h...

Страница 4: ...al 2 3 Importance of Quality Installation A quality installation is critical to assure safety reliability comfort and customer satisfaction Strict adherence to applicable codes the information in this...

Страница 5: ...s To assure many years of reliable operation and optimum customer comfort and to assure the outdoor unit warranty remains valid an air handler model or indoor coil furnace combination should be select...

Страница 6: ...t Ampacity Amperes Rated Load Amperes RLA Locked Rotor Amperes LRA Minimum Amperes Maximum Amperes 24 1 60 208 230 16 16 35 0 8 21 21 25 25 35 35 36 1 60 208 230 16 3 16 3 35 0 8 22 22 30 30 35 35 48...

Страница 7: ...y At pressures above 1 atmosphere a mixture of R 410A and air can become combustible R 410A and air should never be mixed in tanks or supply lines or be allowed to accumulate in storage tanks Leak che...

Страница 8: ...ndations and requirements will take precedence Refrigerant piping and wiring should be properly sized and kept as short as possible to avoid capacity losses and increased operating costs Locate the un...

Страница 9: ...nal spaces of the owner and those spaces on adjoining property To prevent noise transmission the mounting pad for the outdoor unit should not be connected to the structure and should be located a suff...

Страница 10: ...6 New Haven 15 MAINE NEBRASKA Bismarck 25 Knoxville 8 La Crosse 32 DELAWARE Caribou 100 Grand Island 30 Fargo 34 Memphis 5 Madison 32 Wilmington 13 Portland 62 Lincoln 20 Williston 25 Nashville 8 Milw...

Страница 11: ...ng line lengths Variable speed systems present an additional challenge due to the fact that the system operates at a significantly reduced refrigerant flow rate for a significant percentage of operati...

Страница 12: ...Table 2 for capacity loss multipliers for various vapor line diameters and equipment line lengths This table does not account for any capac ity loss due to heat gain or loss from the environ ment It...

Страница 13: ...Absorption of heat prior to expansion device Excessive vertical separation between the outdoor unit and indoor coil Restricted liquid linear filter drier Kinked liquid line The following Refrigerant...

Страница 14: ...3 8 3 4 25 0 99 50 0 96 50 0 94 50 0 92 NR NR 1 2 3 4 25 0 99 50 0 96 50 0 94 50 0 92 NR NR 3 8 7 8 25 1 00 50 0 99 50 0 98 50 0 97 45 0 96 30 0 95 1 2 7 8 25 1 00 50 0 99 50 0 98 50 0 97 50 0 96 50 0...

Страница 15: ...98 15 0 98 15 0 97 9 53 3 8 19 05 3 4 8 0 99 15 0 96 15 0 94 15 0 92 NR NR 12 7 1 2 19 05 3 4 8 0 99 15 0 96 15 0 94 15 0 92 NR NR 9 53 3 8 22 23 7 8 8 1 00 15 0 99 15 0 98 15 0 97 14 0 96 9 0 95 12 7...

Страница 16: ...liquid refrigerant can be heated to form vapor insulating the liquid line is required Use clean dehydrated sealed refrigeration grade tubing Always keep tubing sealed until tubing is in place and con...

Страница 17: ...INSULATED LIQUID LINE IN UNCONDITIONED SPACE INSULATED VAPOR LINE FULL LENGTH Figure 3 For applications with the outdoor unit and indoor unit on the same level the following is required Insulated liq...

Страница 18: ...ansion device Verify that the pressure drop is not greater than 50 PSI 345 kPa For elevations greater that 25 8 m a lower sub cooling can be expected Verify there is at least 5 F 2 8 C of liquid sub c...

Страница 19: ...d space only Follow the proper line sizing maximum linear and equivalent length maximum vertical separation charging requirements and oil level adjustments spelled out in this document Verify at least...

Страница 20: ...ing with a clean dry cloth before soldering Clean out debris chips dirt etc that enters tubing or service valve connections Wrap valves with a wet rag or thermal barrier compound before applying heat...

Страница 21: ...cuation see Sections 4 7 and 4 8 for evacuation and final leak testing The vapor line must be insulated for its entire length to prevent dripping sweating and prevent performance losses Closed cell fo...

Страница 22: ...trol Center While they are also designed to be controlled by a conventional 24VAC 2 stage thermostat many features and benefits are lost 4 9 2 EcoNet Control Center Installation The EcoNetTM Control C...

Страница 23: ...uch screen Refer to the air handler or furnace installation manual and the EcoNet Control Center installation manual for further details on setting up the system and available adjustment options 4 9 4...

Страница 24: ...rmostat W BK W BL Y Y BL BL R BR G BK W1 W2 Y1 Y2 B R C G ODD B Y1 Y2 G E W1 W2 C R Y Y2 B R C W TYPICAL 2 STAGE THERMOSTAT P17 HEAT PUMP WITH ELECTRIC HEAT USING A HUMIDISTAT FOR HUMIDIFICATION Field...

Страница 25: ...units The EcoNetTM Control Center or thermostat should be switched to the off position initially Within 45 seconds of power being applied the EcoNetTM Control Center should detect the indoor and outdo...

Страница 26: ...ayed on the screen and then touch Stop Test Then touch the left arrow on the screen to return to the main screen 10 If the indoor blower continues to run continu ously after exiting the Charge Mode cy...

Страница 27: ...not reasonably close to the desired indoor air flow confirm cooling dehumidification is disabled the indoor air flow trim adjustment is set to 0 and verify the model numbers of the indoor and outdoor...

Страница 28: ...ce adjust the refrigerant charge based on the actual line set length If the entire system has been evacuated add the total calculated charge IMPORTANT Charging by weight is not always accurate since t...

Страница 29: ...e Temperature Pressure Chart below to note the corresponding saturation temperature for R 410A at the measured liquid pressure Liquid Saturation Temperature SAT _____ F _____ C 3 Note the liquid line...

Страница 30: ...ontrol Center can be configured for On Demand Dehumidification for HMV air handlers and 802V 96V 97V and 98V gas furnaces This feature allows the system to automatically increase the level of dehumidi...

Страница 31: ...ut down and heating responsibility will be transferred to the gas furnace An outdoor ambient temperature can be set in the EcoNetTM Control Center to direct the system to automatically switch to gas h...

Страница 32: ...a slightly different manner When a call for 1st stage cooling or heating is received from the 2 stage thermostat the compressor will start and operate at the minimum capacity level and the air handler...

Страница 33: ...ump As environmental variables change it is possible to have liquid refrigerant flood back to the compressor Although the P17 designs have been specified to minimize this from happening occasions can...

Страница 34: ...te if the EXV is in the process of opening or closing The following is a list of features on the VSODC and location of each 1 Thermostat Terminals 2 Communication wire terminals 3 Modbus unitary inver...

Страница 35: ...7 0 COMPONENTS CONTROLS 7 7 5 Superheat Offset DIP Switch Settings DIP Switch Bank on the Right Although the factory programmed superheat setting is considered to be the most efficient setting for eac...

Страница 36: ...3 MAXIMUM Speed 2 INTERMEDIATE Speed 1 MINIMUM Speed SH Superheat Measurement The display is to show the following options HI Superheat is 5 F 2 8 C away from SH_SP hI Superheat is between 5 2 8 C an...

Страница 37: ...stator for serviceability An internal check valve is provided that assures unrestricted flow in the reverse direction when the system is operating in the cooling mode For the P17 model line there are...

Страница 38: ...h the changing capacity needs of the conditioned space The inverter interfaces with the Variable Speed Outdoor Control VSODC which communi cates the level of system capacity that is required to the in...

Страница 39: ...played on outdoor unit status screen P17 heat pumps are equipped with a suction line thermistor for the purposes of measuring suction gas temperature during the heating mode The measured temperature i...

Страница 40: ...until the compressor speed returns to normal speed based on the capacity demand 8 4 Off Cycle Refrigerant Migration Stator Heat Refrigerant can migrate to a cold compressor during the off cycle which...

Страница 41: ...the electrical power to both the indoor and outdoor units for 1 minute and then reconnecting power NOTE If the system experiences a low refrigerant pressure lock out the system should be evaluated to...

Страница 42: ...Protec on Compressor Stator Heat The compressor opera on outlined in the applicable sec ons will be performed once an hour The compressor stator heat will be kept from opera ng 8 14 Sensor Failure Def...

Страница 43: ...played on the dual 7 segment LEDs and a call for unit operation is present the TEST mode causes 1 A t to display momentarily on the dual 7 segment display 2 The compressor will start and the outdoor f...

Страница 44: ...TPUPT T Y U PTLY HP UP PTLY OHZ L_WPYLK VY WYLZZ OL I VU V KLMLH ZOVY J JSL KLSH HUKI 5V JVTTHUK MVY UP VWLYH PVU 5VYTHS VWLYH PVU 9 4 Status and Diagnostic Codes 9 0 DIAGNOSTICS TROUBLESHOOTING Diagn...

Страница 45: ...vice window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is what will be displayed on the VSODC 9...

Страница 46: ...rvice window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is what will be displayed on the VSODC D...

Страница 47: ...at the EcoNet Control Center under Service window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is...

Страница 48: ...rvice window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is what will be displayed on the VSODC 9...

Страница 49: ...at the EcoNet Control Center under Service window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is...

Страница 50: ...rvice window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is what will be displayed on the VSODC 9...

Страница 51: ...at the EcoNet Control Center under Service window Current Faults or in the Fault History and will be time and date stamped VSODC Variable Speed Outdoor Unit Control EcoNet control board fault code is...

Страница 52: ...this fault occurs before VSODC will restart the compressor If this fault occurs 3 times during a single call for operation the VSODC will lock out the compressor to keep it from continuing to operate...

Страница 53: ...is a 5 minute delay after this fault occurs before VSODC will restart the compressor If this fault occurs 3 times during a single call for operation the VSODC will lock out the compressor to keep it f...

Страница 54: ...or to keep it from continuing to operate and flash an L on the dual 7 segment LEDs followed by a 15 IMPORTANT This mode of active protection must be manually reset L16 Microprocessor Fault A912_O Inve...

Страница 55: ...te and flash an L on the dual 7 segment LEDs followed by a 16 IMPORTANT This mode of active protection must be automatic reset once the discharge line thermistor fault is corrected L16 Discharge Tempe...

Страница 56: ...e There are two scenarios that will cause active protection during an LPC trip when the unit is in the heating mode Active Protection With Hard Lockout If the LPC opens three 3 times within 120 minute...

Страница 57: ...t successful in bringing the compressor back into the designed operating envelope then the compressor will be kept from operating IMPORTANT It is common during startup and shutdown for the compressor...

Страница 58: ...C identifies issue s reading the model data from the memory card the VSODC will automatically shut the compressor off and keep it from operation When this fault occurs the VSODC will lock out the comp...

Страница 59: ...JVKL YV ISLZOVV PUN VU YVS PU SVJRV TVKL OLJR MH S OPZ VY HUK YLMLY V KPHNUVZ PJ JOHY HUK OL 6 PHNUVZ PJ VKLZ ZLJ PVU VM OPZ THU HS HP PUN MVY HU P ZOVY J JSL KLSH V JSLHY 5V PJL VY ZVSPK JVTT 3 JOLJR...

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Страница 62: ...frost Sensor in Wrong Location Wrong Defrost Timer Setting Reversing Valve Stuck Welded Reversing Valve Relay on Control Board Loose Defrost Sensor Check Coil Sensor Connector Defrost System Inadequat...

Страница 63: ...vision Addition and Subtraction Our formula doesn t have any Exponents so we can eliminate that Also there is no Addition Multiplication and Division similar to Addition and Subtraction priority comes...

Страница 64: ...made with the sensor disconnected from the control board Again comparing the results must be done against a calibrated tester A glass of water mixed completely with ice chips and given several minutes...

Страница 65: ...Refrigerant undercharge At inverter input terminals voltage must be between 187 252VAC when unit is operating Add refrigerant Registers sweat Low indoor airflow Increase speed of blower or reduce res...

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Страница 71: ...ence of the suction line Ensure sensing bulb is located properly Check for blocked distributor tubes Recover refrigerant change filter drier evacuate system and recharge Moisture freezing and partiall...

Страница 72: ...e Transducer or Faulty Measurement Low Low High High Poorly Insulated Indoor Vapor Line Thermistor or Bad Thermistor High High Low Low HEATING MODE TROUBLESHOOTING TIPS SYSTEM PROBLEM INDICATORS DISCH...

Страница 73: ...nnect electrical power to the unit before removing the top panel or any electrical panel as the fan motor could start at any time and live electrical connections will be exposed Annual cleaning of the...

Страница 74: ...ESS CONT LPC LOW PRESSURE CONTROL TM THERMISTOR SENSOR DISCHARGE LINE THERMISTOR LED 3 GREEN EXV OPEN LED LED 5 AMBER EXV CLOSE LED OAT OUTDOOR AIR TEMP OFM OUTDOOR FAN MOTOR LPT FOR FUTURE USE OST SU...

Страница 75: ...air handler settings or furnace settings screen select N C next to the Aux Input 1 Config label e Change the Aux 1 Config type to N C by pressing the orange up or blue down arrows at the bottom of th...

Страница 76: ...sense an open state between the Aux 1 and the Aux C terminals 9 Exiting the Test Mode NOTE While the test mode is active the thermostat will not permit return to the home screen a To turn the unit of...

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