Check the low-voltage transformer leads, R and C. Make sure If the PCB has high voltage applied to it: they are wired to the correct location. The time required for disc to cool down when 1. Check for low airflow due to dirty filters, blocked registers, or power is removed controls OFF time of device. The PTC can be undersized duct. Page Troubleshooting Pcb airflow. This profile will minimize cold blow in heat pump If There Are Blown Diodes: operation and could enhance system efficiency.
If diodes are blown, it is probable that electric heater plug is 4. Carefully consult product airflow data for cooling and dehumidi- fying mode. When fuse blows because as high since LO speed cooling will also run at HIGH airflow and of high voltage, the system has mixed high- and low-voltage insufficient dehumidification may result. The needle valve on pin carrier is spring-loaded, which also exerts pressure on underside of diaphragm via push rods, which closes valve.
Therefore, bulb pressure equals evapora- tor pressure at outlet of coil plus spring pressure. Page Liquid Tube Strainer 7. Replace seal ring on retainer. Turn off electrical supply to outdoor unit. Reconnect refrigerant tube to piston body.
Front seat vapor service valve. Pressurize tubing and coil, then leak check. Recover any remaining refrigerant. NOTE: All outdoor unit coils will hold only factory-supplied Page And Replacement c. Start unit in cooling mode. Secure with 2 screws previously removed from unit casing. Run unit until low pressure switch opens at 27 psig or vapor pressure reaches 5 psig 35kPa. Do not allow Page Care And Maintenance Horizontal Applications only—Place horizontal condensate Page Blower Motor And Wheel clean cooling coil, remove coil access panel.
If coil is coated with centered in inlet opening. If not, loosen setscrew and align as dirt or lint, vacuum it with a soft brush attachment. Be careful not to bend coil fins. If coil is coated with oil or grease, 5. Be careful when removing parts. Replacement section above. Do not drop or bend The motor is turned on through 2 different routes.
The first occurs wheel as balance will be affected. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing. Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available.
Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. These words are used with the safety-alert symbol. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage.
Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label.
Electrical shock can cause personal injury or death. Remove plastic retainer holding outdoor piston and piston retainer in the liquid service valve. See Fig. Cut tubing to the correct length, deburr and size as necessary, making sure tube ends are square.
If a large burr is evident, the ID and OD must be deburred to allow the tube to bottom in valve. Remove lock nut and ferrule from plastic bag taped to service panel. Remove the lock nut and ferrule from liquid service valve adapter. If undersized, damaged, or elliptically shaped tubing is used when making connection, leaks could result. Slide the lock nut and ferrule onto each tube.
Apply a few drops of refrigerant oil to the ferrule and valve threads and adapter threads to reduce assembly torque and assist sealing. Insert tube end into the service valve or adapter until it bottoms. Push the ferrule into place and hand tighten the nut until an increase in torque is felt. Keep the tube bottomed in the valve and adapter while tightening nut. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Tube diameters are for lengths up to 50 ft. For tubing lengths greater than 50 ft, consult your local distributor. NOTE: A backup wrench on the hex part of the suction valve fitting is required while tightening. The tube end must stay bottomed in the service valve during final assembly to ensure proper seating, sealing, and rigidity.
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