Руководство по эксплуатации Carrier 38YCX

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38YCX—50 Hz
Heat Pump—Outdoor Section
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Installation and Start-Up Instructions
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
IP24
or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage.
Consult a qualified installer, service agency, or y

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NOTES: 1. ALLOW 30″ CLEARANCE TO SERVICE END OF UNIT, 48″ ABOVE UNIT, 6″ ON ONE SIDE, 12″ ON REMAINING SIDE, AND 24″ BETWEEN UNITS FOR PROPER AIRFLOW. 2. MINIMUM OUTDOOR OPERATING AMBIENT IN COOLING MODE IS 55° F (UNLESS LOW AMBIENT CONTROL IS USED) MAX. 115° F. 3. MAXIMUM OUTDOOR OPERATING AMBIENT IN HEATING MODE IS 66° F. 4. SERIES DESIGNATION IS THE 13TH POSITION OF THE UNIT MODEL NUMBER. A AIR DISCHARGE AIR IN AIR DISCHARGE FIELD POWER SUPPLY CONN E 7 / ″ D

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Table 1—Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters LIQUID VAPOR UNIT SIZE Connection Dia. Tube Dia. Connection DIia. Vapor Dia. In. mm In. mm In. mm In. mm 024 3/8 9.53 3/8 9.53 5/8 15.88 5/8 15.88 036 3/8 9.53 3/8 9.53 3/4 19.05 3/4 19.05 048 3/8 9.53 3/8 9.53 7/8 22.23 7/8 22.23 060 3/8 9.53 3/8 9.53 7/8 22.23 1-1/8 28.58 NOTES: 1. Tube diameters are for lengths up to 50 ft (15.24m). For tubing lengths greater than 50 ft (15.24m), consult Long-Line Application Guid

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REFRIGERANT TUBING — Connect tubing to fittings on out- door unit vapor and liquid service valves. (See Fig. 2 and 5.) The unit cabinet must have an uninterrupted or unbroken SWEAT CONNECTION — Use refrigerant grade tubing. Service ground to minimize personal injury if an electrical fault valves are closed from factory and ready for brazing. After should occur. The ground may consist of electrical wire or wrapping service valve with a wet cloth, tubing set can be brazed metal conduit when instal

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FB4ASX FB4ASX HEAT PUMP HEAT PUMP FAN COIL FAN COIL THERMOSTAT THERMOSTAT R R R R R R G G G G C C C C C C W2 W2 W2 W2 W2 W2 E E E ODTS BLU L L W3 O O O O Y Y Y Y SYSTEMS WITH ONE SYSTEMS WITHOUT OUTDOOR THERMOSTAT OUTDOOR THERMOSTAT A97053 A97054 FB4ASX FAN COIL THERMOSTAT HEAT PUMP R R R G G C C C W2 W2 W2 ODTS1 BLU L W3 VIO E E ODTS2 O O Y Y C 1 4 7 C 9 6 3 EMERGENCY HEAT RELAY SYSTEMS WITH TWO OUTDOOR THERMOSTATS A97052 Fig. 7—24-v Control Circuit Connections 5

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Do not vent refrigerant to atmosphere. Recover during system repair or final unit disposal. 1. If equipped with a crankcase heater, energize a minimum of 24 hr before starting unit. To energize heater only, set thermostat OFF and close electrical disconnect to outdoor unit. 2. Fully open liquid and vapor service valves. 3. Unit is shipped with valve stem(s) front seated and caps installed. Replace stem caps after system is opened to refrig- erant flow. Replace caps finger tight and tighten addit

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OF1 OF2 ON 120 30 60 QUIET SHIFT 60 30 90 INTERVAL TIMER OFF P3 DFT T1 Y T2 C C O P1 DFT J1 O R W Y C SPEEDUP 2 If defrost thermostat is in open position, and speedup pins are shorted (with a flat head screwdriver) for 5 sec and released, a short defrost cycle will be observed (actual length is dependent upon the selected Quiet Shift position). When Quiet Shift switch is in ON position, the length of defrost is 1 minute (30 sec compressor off period followed by 30 sec of defrost with

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Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 38ycxc3si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 003-880 Printed in U.S.A. Form 38YCX-C3SI Pg 8 2-02 Replaces: 38YCX-C2SI Tab 5a 5a