Lennox Diplomat 10HP12 Скачать руководство пользователя страница 16 | Manualshive

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Page 16

10HP WITH ELECTROMECHANICAL THERMOSTAT

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Содержание Diplomat 10HP12

Страница 1: ...ble in sizes ranging from 1 through 5 tons This manual is divided into sections which discuss the major components refrigerant system charging procedure maintenance and operation sequence Canadian spe...

Страница 2: ...breaker size amps 35 35 40 50 60 Minimum circuit ampacity 21 5 21 3 25 0 32 2 40 2 Refer to National Electric Code manual to determine wire fuse and disconnect size requirements NOTE Extremes of oper...

Страница 3: ...fan side and the compressor side of the capacitor have different MFD ratings See table 1 for dual capacitor ratings TABLE 1 Unit MFD VAC 10HP C12 DUAL CAPACITOR RATING 10HP18 24 and 30 2 10HP42 10HP4...

Страница 4: ...ents 1 Timing Pins 30 60 90 Each of these pins provides a different timed interval between defrosts A jumper connects the pins to circuit board pin W1 Table 3 shows the timings of each pin The defrost...

Страница 5: ...r to avoid damaging the circuit board 2 Make sure all control terminals are connected as shown on unit wiring diagram before attempting to place control in test mode See NOTE below NOTE Control will n...

Страница 6: ...DE ECCENTRIC ROTARY COMPRESSOR INTERNALS ROTOR SHAFT Figure 10 illustrates the four steps in a rotary compressor s continuous intake cycle The spring loaded blade is compressed fully at the beginning...

Страница 7: ...re 13 The reversing valve requires no maintenance It is not rebuildable If the reversing valve has failed it must be replaced If replacement is necessary access the reversing valve by removing the con...

Страница 8: ...he liquid line and vapor line service valves and gauge ports are accessible from outside of the unit Full service liquid and vapor line valves are used See figures 18 and 19 The service ports are used...

Страница 9: ...e stem cap with an adjustable wrench 2 Using service wrench backseat valve a Turn stem counterclockwise until backseated b Tighten firmly 3 Replace stem cap finger tighten then tighten an additional 1...

Страница 10: ...L10 41 50 20 30 40 50 3 8 3 4 3 4 3 4 3 4 3 8 3 8 3 8 10HP30 10HP36 L10 65 30 L10 65 40 L10 65 50 30 40 50 3 8 7 8 7 8 7 8 3 8 3 8 10HP42 10HP48 10HP60 Not Available 3 8 1 1 8 Field Fabricate LINE SET...

Страница 11: ...ATOR 10HP42 48 AND 60 ONLY DEFROST SWITCH S6 FILTER DRIER W INTERNAL CHECK VALVE MUFFLER LIQUID LINE FROM INDOOR COIL TO OUTDOOR COIL DISCHARGE LINE SERVICE PORT STRAINER LIQUID LINE SERVICE PORT REVE...

Страница 12: ...n to center port of gauge manifold 2 Open high pressure valve on gauge manifold and pressurize line set indoor coil to 150 psig 1034 kPa 3 Check lines and connections for leaks 4 Release nitrogen pres...

Страница 13: ...eways until liquid pressures in the 200 250 psig range are reached Block outdoor coil one side at a time with cardboard or plastic sheets until proper testing pressures are reached BLOCKING OUTDOOR CO...

Страница 14: ...Read liquid line pressure and convert to condensing temperature using temperature pressure conversion chart Condensing temperature read from gauges should be a few degrees warmer than the liquid line...

Страница 15: ...TB1 is energized initiating first stage heat from indoor unit 14 If outdoor temperature is below the balance point N O low ambient cut in thermostat S23 will close 15 When S23 is closed W2 of indoor...

Страница 16: ...Page 16 10HP WITH ELECTROMECHANICAL THERMOSTAT...

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