Lennox HP40 Installation Instructions Manual Download Page 15 | Manualshive

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Summary of Contents for HP40

Page 1: ...th INSTALLATION INSTRUCTIONS HP40 Heat Pump Units HEAT PUMP UNITS 1 1 2 through 5 ton 504 538M 06 04 Supersedes 11 02 Table of Contents HP40 Heat Pump Unit 1 Shipping Packing List 1 General Informatio...

Page 2: ...ICAL INLETS 111 162 162 TOP VIEW BASE SECTION 51 19 111 111 111 111 111 COMPRESSOR COIL DRAIN OUTLETS Around perimeter of base OPTIONAL STAND OFF KIT Field installed 4 required LIQUID LINE CONNECTION...

Page 3: ...a support frame is constructed it must not block drain holes in the base of the unit 4 When you install the unit in areas where low ambient temperatures exist locate the unit so winter prevail ing win...

Page 4: ...sunlight drafts or vibration Do not install the thermostat on an outside wall The most desirable position for the thermostat is near the cen ter of the conditioned area and approximately 1 5 m from t...

Page 5: ...it is being matched with an approved line set or indoor coil which was previously charged with R22 refrigerant or if it is being matched with a coil which was manufactured before January of 1999 the c...

Page 6: ...The line set and indoor coil must be flushed with at least the same amount of clean refrigerant that previously charged the system Check the charge in the flushing cylinder before proceeding 5 Set th...

Page 7: ...e sets used with systems charged with R407C refrigerant must be able to accommodate higher system operating pressures The gauges should be rated for pressures of 0 800 psi on the high side and a low s...

Page 8: ...ced A ball valve is il lustrated in figure 8 The ball valve is equipped with a service port anda fac tory installed Schrader valve A service port cap is supplied to protect the Schrader valve from con...

Page 9: ...0 microns of mercury close the manifold gauge valves turn off the vacuum pump and disconnect the manifold gauge center port hose from the vacuum pump Attach the manifold center port hose to a nitro ge...

Page 10: ...C airflow over the outdoor coil will need to be reduced to drive up the liquid line pressure to a range of 1379 to 1724 kPa To do this block off the outdoor coil with cardboard or a plas tic sheet BLO...

Page 11: ...2 21 138 951 121 834 38 229 1578 202 1392 21 141 972 123 848 39 232 1599 205 1413 22 143 985 126 868 40 236 1627 208 1431 22 146 1006 128 882 40 239 1647 211 1454 23 148 1020 130 896 41 242 1668 214 1...

Page 12: ...o allow the crankcase heater sufficient time to prevent compressor from slugging Defrost System The HP40 defrost system includes two components a de frost thermostat and a defrost control Defrost Ther...

Page 13: ...using a pressure switch the factory installed jumper wire must be connected Diagnostic LEDs The defrost board uses two LEDs for diagnostics The LEDs flash a specific sequence according to the conditi...

Page 14: ...Service Technician Amps Supply Outdoor Fan Compressor Indoor Filter Clean Indoor Blower RPM Electrical Connections Tight Supply Voltage Unit Off Outdoor Coil Entering Air Temperature Discharge Pressur...

Page 15: ...Page 15...

Page 16: ...Page 16 Lennox Industries P O Box 174 Westgate Interchange Northampton NN5 5AG Telephone 01604 591159 Facsimile 01604 587536...

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