Carrier 48NP Скачать руководство пользователя страница 11

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LOW-PRESSURE
SWITCH

DISCHARGE VALVE
STEM CAP

Fig. 11 — Low-Pressure Switch and Discharge Valve Stem Cap Locations

(044 Units, Compressors 1 and 2; 054 Units, Compressor 2)

DANGER

DISCHARGE VALVE
STEM CAP

LOW-PRESSURE
SWITCH

Fig. 12 — Low-Pressure Switch and Discharge Valve Stem Cap Locations

(054 Units, Compressor 1; 064,074 Units, Compressors 1 and 2)

Содержание 48NP

Страница 1: ...oring PACKAGE CONTENTS ITEM QUANTITY Thermistor 2 Transducer 4 Compression Fitting 2 Wire Nuts 2 types 13 PSIO1 Plug Assembly 1 Transducer Plug Harness 4 Connection Box 2 Connection Box Cover 2 Connec...

Страница 2: ...reference there will already be a violet wire attached to TB2 terminal 4 and an orange wire attached to TB2 terminal 3 ALL UNITS Locate the PSIO1 plug assembly in the accessory kit see Fig 1 This wil...

Страница 3: ...LEGEND PL Plug Assembly PSIO Processor Module TB Terminal Block NOTE The PSIO1 module is located underneath the PSIO2 module Fig 3 Control Box 034 044 3...

Страница 4: ...or Evaporator Fan Contactor MMC Head Pressure Control Device OAT Outdoor Air Thermostat OFC Outdoor Condenser Fan Contactor PSIO Processor Module RAT Return Air Thermistor SAT Supply Air Thermistor SC...

Страница 5: ...ermistors probe ends un derneath the baffle in the condenser section over to the compressors with the marked thermistor going to com pressor no 1 See Fig 6 and 7 034 044 UNITS Connect the thermistors...

Страница 6: ...Thermistor Probe End Routing Fig 6 Control Box Location and Thermistor Routing 024 030 Thermistor Probe End Routing Fig 7 Thermistor Probe End Routing 024 030 Units 6...

Страница 7: ...section with the marked cable and ther mistor going to compressor no 1 Compressor Section Wiring This section will de tail the accessory kit wiring in the compressor section When instructed to plug ea...

Страница 8: ...ng varnish cloth 6 Locate the 4 transducer plug harness assemblies in the accessory package 7 Plug one of these into the discharge and suction trans ducers for each compressor Mark the white wire in t...

Страница 9: ...uction Pressure HEAT Heat Type Sensor HPSP Head Pressure SUSN Suction Sensors Set Point TRNS Transducers HUSN Humidity Sensors ULOP Number of Unloaders After approximately 20 seconds the HSIO keypad a...

Страница 10: ...itting threaded into the discharge valve body 3 Unplug the harness from the proper transducer 4 Thread the transducer onto the flare fitting and tighten See Fig 13 16 5 Reconnect the transducer harnes...

Страница 11: ...and Discharge Valve Stem Cap Locations 044 Units Compressors 1 and 2 054 Units Compressor 2 DANGER DISCHARGE VALVE STEM CAP LOW PRESSURE SWITCH Fig 12 Low Pressure Switch and Discharge Valve Stem Cap...

Страница 12: ...SSURE SWITCH WIRE TIE SUCTION GAS THERMISTOR INSTALLED SUCTION LINE Fig 13 Transducers and Thermistor Installed 024 030 Units SUCTION PRESSURE TRANSDUCER DISCHARGE PRESSURE TRANSDUCER COMPRESSION FITT...

Страница 13: ...15 Transducers and Thermistor Installed 044 Units Compressors 1 and 2 054 Units Compressor 2 DANGER DISCHARGE PRESSURE TRANSDUCER COMPRESSION FITTING SUCTION GAS THERMISTOR SUCTION PRESSURE TRANSDUCER...

Страница 14: ...and tighten 3 4 to 1 full turn with a wrench to ensure a tight seal DO NOT OVERTIGHTEN 7 Turn the valve stem 1 to 11 2 full turns clockwise Check compression fitting seal for leaks and tighten nut if...

Страница 15: ...supplied to transducer 5 Transducer failure 0 0 psig Transducer is not sensing any pressure 1 Service valve is not opened 2 Valve core is not being depressed 205 psig Open circuit at PSIO1 PSIO1 J7 p...

Страница 16: ...cturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 1 Tab 1a 1b PC 111 Catalog No 564 923 Printed in U S A...