Инструкция на Компрессорно-конденсаторные блоки Lennox серии HS...

Текст инструкции

1. Стр. 1 INSTALLATION

   INSTRUCTIONS  E 2000 Lennox Industries Inc. Dallas, Texas, USA HS40 SERIES UNITS CONDENSING UNITS 504,186M 11/2002 Supersedes 4/2000 Litho U.S.A. Table of Contents HS40 Condensing Unit HS40 condensing units use R407C which is an ozone friendly HFC refrigerant. This unit must be installed with a…

2. Стр. 2 Unit Dimensions − mm

   INLET AIR (111) (111) (111) INLET INLET OPTIONAL UNIT STANDOFF KIT (4) (Field Installed) AIR AIR COIL DRAIN OUTLETS (Around perimeter of base) SUCTION LINE CONNECTION INLET COMPRESSOR (162) LIQUID LINE CONNECTION AIR (111) (111) (111) (162) TOP VIEW BASE SECTION TOP VIEW C C DISCHARGE OUTDOOR COIL…

3. Стр. 3

   quirements of the latest European Directives for Electrical and Machinery Safety and Electromagnetic Compatibility. In addition HS40 units have type Approval Certification with the Gas Appliance Directive. A − Slab Mounting When installing the unit at grade level, install it on a level slab that is…

4. Стр. 4 FIGURE 3

   If refrigerant lines are routed through a wall, seal and iso Plumbing late the opening so vibration is not transmitted to the build ing. If the HS40 unit is being installed with a new indoor coil and NOTE − Line length should be no greater than 15.2 m. Se line set, the plumbing connections should be…

5. Стр. 5 3 − Remove the existing refrigerant flow control orifice or

   thermal expansion valve before continuing with flush ing procedures. The existing devices are not approved for use with R407C refrigerant and may prevent prop er flushing. Use a field−provided fitting to reconnect the lines. CAUTION This procedure should not be performed on sys tems which contain…

6. Стр. 6 FLUSHING CONNECTIONS

   INVERTED R22 CYLINDER (Contains clean R22 to be used for flushing) LOW HIGH PRESSURE PRESSURE HS40 UNIT SUCTION LINE SERVICE VALVE EXISTING SUCTION LINE EXISTING GAUGE MANIFOLD EXISTING LIQUID LINE OPENED LIQUID LINE SERVICE VALVE INDOOR COIL CLOSED TANK RETURN RECOVERY CYLINDER NOTE − The inverted…

7. Стр. 7 To Close Liquid or Suction Line Service Valve

   Using an Electronic Leak Detector 1 − Remove stem cap with an adjustable wrench. 2 − Use a service wrench with a hex−head extension to turn the stem clockwise to seat the valve. Tighten firm ly. 3 − Replace the stem cap. Tighten finger tight, then tighten an additional 1/6 turn. Five Ton Suction…

8. Стр. 8 2 −The nitrogen holding charge in the unit must be re

   leased. Open both manifold valves to release the nitro gen from the unit. See page 5 for service valve opera tion. Refer to the unit nameplate for the correct liquid charge. If you can not measure in the total amount, refer to the start−up section and set the final system charge accord ing to the…

9. Стр. 9 TABLE 3

   R407C Saturated Liquid Temperature and Pressure Chart Use this chart for subcooling only, not superheat Liquid Line Pressure Saturated Liquid Temperature °C R407C Psig (kPa) R22 Psig (kPa) 15 116 (799) 102 (703) 16 118 (813) 16 Liquid Line Pressure Saturated Liquid Temperature °C R407C Psig (kPa)…

10. Стр. 10 Checking Unit Charge Using Subcooling when

    Outdoor Temperature is > 16°C Refrigerant Sight Glass 1 − After the pressures have stabilized, attach the man ifold gauge hose to the liquid service port, and record the liquid pressure. At the same time, use a digital ther mometer to record the liquid line temperature. A refrigerant sight glass is…

11. Стр. 11 Start−Up & Performance Check List

    Job Name Job No. Date Job Location City State Installer City State Unit Model No. Serial No. Service technician Nameplate Voltage Amps: Minimum Circuit Ampacity Supply Maximum Overcurrent Protection Size Electrical Connections Tight? Condenser Fan Compressor Indoor Filter Clean? Indoor Blower CFM…

12. Стр. 12 Lennox Industries

    P.O. Box 174, Westgate Interchange, Northampton NN5 5AG Telephone: 01604 591159 Facsimile: 01604 587536 Page 12

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