Friedrich VERT-I-PAK R410A Service & Parts Manual Download Page 15 | Manualshive

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VPAK 9-18K BTU UNITS

COMPONENTS IDENTIFICATION

14

Air Intake

Ground

Front Side

Blower Wheel and

Heater in here

10” Duct Collar

Right Side

Left and Front Sides

Left and Back Sides

Condenser

Heater

Diagnostic
Touch Pad

Fresh Air

Vent

Evaporator

Coil

Condenser

Coil Thermistor

Evaporator

Coil Thermistor

Compressor

Evaporator Coil

Pullout

Disconnect

Compressor

Blower/Fan

Motor Capacitor

Heater

Blower

Wheel

Condenser

Air Intake

Blower/Fan

Motor

Condenser

Fan Shroud

Fresh Air

Vent Door

Nameplate

Air Discharge

Condenser

Condenser

Air Discharge

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Summary of Contents for VERT-I-PAK R410A

Page 1: ...A18K25L V E H A18K34L V E H A18K50L V E H A24K25L V E H A24K34L V E H A24K50L V E H A24K75L V E H A24K10L VPK ServMan L 4 11 2011 2012 Service Parts Manual L B Suffix R410A Models A Series Electronic...

Page 2: ...Of Charging Undercharged Refrigerant Systems Overcharged Refrigerant Systems Restricted Refrigerant Systems Capillary Tube Systems Check Valve Reversing Valve Description Operation Testing Coil Check...

Page 3: ...nt if possible Capacitors even when disconnected from the electrical power source retain an electrical charge potential capable of causing electric shock or electrocution Handle discharge and test cap...

Page 4: ...can result in minor to moderate injury Be extremely careful when using an oxy acetylene torch Direct contact with the torch s flame or hot surfaces can cause serious burns Make sure to protect persona...

Page 5: ...the unit is level to allow water to drain from the unit Do not drill holes in the bottom of the drain pan or the underside of the unit Failure to follow these instructions can result in result in dama...

Page 6: ...47 Cabinet E Cooling with or without electric heat H Heat Pump SERIES V Vertical Series MODEL NUMBER V E A 18 K 50 RT L B Model Identification Guide Sample Nameplate see your chassis nameplate 120524...

Page 7: ...uit Fuse Amps 15 20 30 15 20 30 15 20 30 LRA Compressor Amps 22 22 22 30 30 30 42 42 42 Cooling Current Amps 4 2 4 4 4 2 4 4 4 2 4 4 5 2 5 4 5 2 5 4 5 2 5 4 8 1 8 6 8 1 8 6 8 1 8 6 Basic heater Size 2...

Page 8: ...X A M PHYSICAL DIMENSIONS W x D x H 23x23x32 23x23x32 23x23x32 23x23x47 23x23x32 23x23x32 23x23x32 23x23x47 NET WEIGHT LBS 114 124 144 167 114 125 144 167 SHIPPING WEIGHT LBS 125 135 155 220 125 135...

Page 9: ...954 9585 8458 WATTS 968 983 994 1054 1065 1078 1186 1186 1186 1282 1281 1284 1340 1340 1344 AMPS 4 4 4 4 4 5 4 7 4 7 4 8 5 3 5 30 5 3 5 7 5 7 5 7 6 6 6 SHR 0 49 0 67 0 9 0 5 0 7 0 92 0 51 0 72 0 92 0...

Page 10: ...ssor delay will range from 180 to 240 seconds Heat Pump Units Digital Defrost Thermostat The new Friedrich VPAK uses a digital thermostat to accurately monitor the outdoor coil conditions to allow the...

Page 11: ...If the ambient temperature rises above the t stat s heat set point the compressor turns off 1 The control turns on the electric heat until the compressor is not locked out 2 After lockout the control...

Page 12: ...ycles with cool heat operation and not for continuous fan mode When unit cycles Heating ON starts the fan 5 seconds EARLY When unit cycles Heating OFF DELAYS the fan off for 15 seconds Continuous fan...

Page 13: ...the Friedrich RT4 and RT6 These thermostats are single stage heat cool manual changeover The RT4 is a digital display thermostat with single speed fan control The RT6 features a digital display two fa...

Page 14: ...ge temperature with good air circulation Mercury bulb type thermostats MUST be level to control temperature accurately to the desired set point Electronic digital type thermostats should be level for...

Page 15: ...k Sides Condenser Heater Diagnostic Touch Pad Fresh Air Vent Evaporator Coil Condenser Coil Thermistor Evaporator Coil Thermistor Compressor Evaporator Coil Pullout Disconnect Compressor Blower Fan Mo...

Page 16: ...Air Discharge Blower Wheel Electric Control Panel Return Air Filter Fresh Air Door Lever Electronic Control Board Nameplate Heater Blower Wheel Compartment Evaporator Coil Thermistor Compressor Capaci...

Page 17: ...t See troubleshooting page 42 To reset 7 Indoor Coil less than 30 F for 2 consecutive minutes The compressor will turn off and the High Fan speed will run When coil temp reachs 45 F the unit will resu...

Page 18: ...e the electronic control board 5 If there is voltage check the wire harness and connections at the electronic control board and the diagnostic service module 6 If the connections and the wire harness...

Page 19: ...ORMED ENSURE THERE ARE NO ERROR CODES ACTIVE 3 Testing the compressor relay and heat relays Test for power in and power out If there is power in and no power out replace the electronic control board 2...

Page 20: ...automatically discharge the capacitor when the test switch is released Capacitor Connections The starting winding of a motor can be damaged by a shorted and grounded running capacitor This damage usua...

Page 21: ...erature Should the blower motor fail filter become clogged or air flow be restricted etc the high limit switch will open and interrupt the power to the heater before reaching an un safe temperature co...

Page 22: ...rflow Checking External Static Pressure The airflow through the unit can be determined by measuring the external static pressure of the system and consulting the blower performance data for the specif...

Page 23: ...erature Rise 20 20 x 1 08 21 6 8635 400 CFM 21 6 1 TON SYSTEM 18 000 Btu Operating on high speed 230 volts with dry coil measured external static pressure 10 Air Flow 450 CFM In the same SYSTEM used i...

Page 24: ...m high pressure liquid It next will pass through the refrigerant drier if so equipped It is the function of the driertotrapanymoisturepresentinthesystem contaminants and large particulate matter The l...

Page 25: ...Continued overheating of the motor windings and or cycling of the overload will eventually lead to compressor motor or overload failure Unplug and or disconnect all electrical power to the unit before...

Page 26: ...ed from the system before recharging 2 Recover Refrigerant in accordance with EPA regulations ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation Extreme care must be...

Page 27: ...igerant restrictions Partial restrictions and complete restrictions A partial restriction allows some of the refrigerant to circulate through the system With a complete restriction there is no circula...

Page 28: ...posite port liquid line to the indoor coil Refer to refrigerant flow chart This directs the refrigerant through the filter drier and cooling capillary tube to the indoor coil In the heating mode of op...

Page 29: ...etic type coil mounted on the reversing valve and is energized during the operation of the compressor in the heating cycle 1 Turn off high voltage electrical power to unit 2 Unplug line voltage lead f...

Page 30: ...s to be reused protect from heat while changing valve 3 Unbraze all lines from reversing valve 4 Clean all excess braze from all tubing so that they will slip into fittings on new valve 5 Remove solen...

Page 31: ...e voltage on the meter The compressor under these conditions will not start and will usually kick out on overload within a few seconds since the pressures in the system will not have had time to equal...

Page 32: ...lead to the compressor body clean point of contact as a good connection is a must and the other probe in turn to each compressor terminal If a reading is obtained the compressor is grounded and must...

Page 33: ...suction and discharge lines from the compressor and remove compressor Be certain to have both suction and discharge process tubes open to atmosphere 4 Carefully pour a small amount of oil from the su...

Page 34: ...r death To ensure proper unit operation and life expectancy the following maintenance procedures should be performed on a regular basis 1 Air Filter To ensure proper unit operation the air filters sho...

Page 35: ...OMPR E S S OR LOCKED ROTOR AMPS AMPS AMPERAGE DRAW AMPS INDOOR TE MPE R ATUR E S INDOOR AMBIENT TEMPERATURE F RELATIVE HUMIDITY RH INDOOR C OOL HE AT DISCHARGE AIR TEMPERATURE INDOOR F F RETURN AIR TE...

Page 36: ...THERMISTORS RESISTANCE VALUES This Table Applies to All Thermistors 7 03 FAHRENHEIT 5 6 67 1 2KPV 5 6 67 1 72 5 1 35...

Page 37: ...o No No No No No O K O K No Is Line Voltage present at Motor Leads Check Capacitor is Capacitor Good Replace Capacitor Motor should run Possible motor problem indicated Check motor thoroughly Yes Yes...

Page 38: ...y Circuit problems loose Connections or bad Relays Board Replace Capacitor and or Start Assist Device Allow ample time for pressures to equalize Possible Compressor problem indicated See Compressor Ch...

Page 39: ...Replace Reversing Valve NO NO YES YES Reversing Valve Stuck YES Replace Solenoid Coil Is the Solenoid Coil Good Is Line Voltage Present at Solenoid Valve Is Selector Switch set for Heat SYSTEM COOLS...

Page 40: ...UCTION PRESSURE HIGH SUCTION PRESSURE LOW HEAD PRESSURE HIGH HEAD PRESSURE LOW SUCTION PRESSURE HIGH SUCTION PRESSURE LOW HEAD PRESSURE HIGH HEAD PRESSURE PROBLEM PROBLEM PROBLEM PROBLEM PROBLEM PROBL...

Page 41: ...igurable O Cool mode active reversing valve B Heat mode active reversing valve for VPAK heat pump unit Y Coil for Cooling W Call for Heat R 24 VAC Power From Unit COOL WITH ELECTRIC HEAT GH GL O B Y R...

Page 42: ...rgized in heating mode use B GL Call for Low Fan GH Call for High Fan RT5 Two Speeds Fan T STAT Field Provided Field Wiring R 24VAC Power From Unit Y Call for Cooling THERMOSTAT CONNECTIONS 01 PART NO...

Page 43: ...ersing valve Energized in heating mode use B GL Call for Low Fan GH Call for High Fan RT6 Two Speeds Fan T STAT Field Provided Field Wiring R 24VAC Power From Unit Y Call for Cooling 01 PART NO REV LE...

Page 44: ...GASKET TEMINAL COVER WASHER NUT W Call for Heating O B Reversing valve Energized in heating mode use B GL Call for Low Fan GH Call for High Fan RT6 Two Speeds Fan T STAT Field Provided Field Wiring R...

Page 45: ...l for Low Fan GH Call for High Fan RT6 Two Speeds Fan T STAT Field Provided Field Wiring R 24VAC Power From Unit Y Call for Cooling THERMOSTAT CONNECTIONS 01 PART NO REV LEGEND BROWN RED LEGEND FOR TS...

Page 46: ...ND Y Call for Cooling R 24VAC Power From Unit W Call for Heating GH Call for High Fan RT6 Two Speeds Fan T STAT Field Provided GL Call for Low Fan 92160401 O B Reversing valve Energized in heating mod...

Page 47: ...CITOR COMPRESSOR GASKET TEMINAL COVER WASHER NUT W Call for Heating O B Reversing valve Energized in heating mode GL Call for Low Fan GH Call for High Fan RT6 Two Speeds Fan T STAT Field Provided Fiel...

Page 48: ...ation removal For VPAK 24K only ACCESS PANEL RETURN AIR GRILLE Serves as an access panel to chassis and interior return air grille A field supplied 25 x 20 filter is mounted inside the hinged access d...

Page 49: ...of this certificate will be considered to be our shipment date plus sixty days Replacement parts can be new or remanufactured Replacement parts and labor are only warranted for any unused portion of...

Page 50: ...8 1 9 10 11 2 7 4 5 6 3 2011 VPAK 9K 18K BTU h Models 49...

Page 51: ...17 16 12 15 13 14 2011 VPAK 9K 18K BTU h Models 50...

Page 52: ...24 26 25 28 27 23 16 2011 VPAK 9K 18K BTU h Models 51...

Page 53: ...20 21 22 18 19 2011 VPAK 9K 18K BTU h Models 52...

Page 54: ...ED W FD RESTRAINT 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 80017090 HEATER VPAK A NXT 2 5KW 230V 1 1 1 1 1 1 15 80017091 HEATER VPAK A NXT 3 4KW 230V 1 1 1 1 1 1 15 80017092 HEATER VPAK A NXT 5 0KW 230V...

Page 55: ...8 9 4 2 1 6 7 5 3 2011 VPAK 24K BTU h Models 54...

Page 56: ...18 17 16 10 14 15 23 12 13 22 21 6 20 19 11 2011 VPAK 24K BTU h Models 55...

Page 57: ...25 14 29 30 24 26 28 2011 VPAK 24K BTU h Models 56...

Page 58: ...33 32 31 2011 VPAK 24K BTU h Models 57...

Page 59: ...UNAN 1 1 1 1 1 17 25014400 MOTOR MOUNT 1 1 1 1 1 1 1 1 1 1 18 80102170 MTR 1 4 4 6P CCW 1PSC 5 0 BLO WEL 1 1 1 1 1 1 1 1 1 1 19 80114100 91 SHROUD ASY VPAK 24 1 1 1 1 1 1 1 1 1 1 20 80101010 SHROUD RI...

Page 60: ...4110 Johnstone Supply of Woodside 27 01 Brooklyn Queens Expway Woodside New York 11377 718 545 5464 800 431 1143 Reeve Air Conditioning Inc 2501 South Park Road Hallandale Florida 33009 954 962 0252...

Page 61: ...FRIEDRICH AIR CONDITIONING CO 10001 Reunion Place Ste 500 San Antonio TX 78216 P 210 546 0500 F 210 546 0731 www friedrich com Printed in the U S A VPK ServMan L 4 11...

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