Lennox Residential Packaged Cooling System 15CHAX Unit Information Download Page 4 | Manualshive

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FIGURE 1

15CHAX PARTS ARRANGEMENT

FIGURE 2

15CHAX CONTROL BOX

DUAL / FAN CAPACITOR

(C12)

TRANSFORMER

(T1)

CONTACTOR

(K1)

BLOWER CONTROL

(A54)

SYSTEM OPERATION MONITOR

(A132)

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Summary of Contents for Residential Packaged Cooling System 15CHAX

Page 1: ...ways use service equipment rated for R 410A WARNING Improper installation adjustment alteration service or maintenance can cause property damage person al injury or loss of life Installation and servi...

Page 2: ...0 hz 208 230V 1ph 60hz OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Compressor Crankcase Heater 93M04 S S S S S S Compressor Hard Start Kit 10J42 S S S S S p 81J69 S Compressor Time Off Control 47J27 S...

Page 3: ...r Amps 2 2 2 2 2 2 4 4 4 Indoor Bl M t Rated Load Amps 1 5 1 5 1 5 2 7 2 7 2 7 Blower Motor Locked Rotor Amps 3 3 4 5 5 5 1 Maximum O t Unit only no electric heat 30 30 30 40 50 60 Overcurrent Protect...

Page 4: ...Page 4 FIGURE 1 15CHAX PARTS ARRANGEMENT FIGURE 2 15CHAX CONTROL BOX DUAL FAN CAPACITOR C12 TRANSFORMER T1 CONTACTOR K1 BLOWER CONTROL A54 SYSTEM OPERATION MONITOR A132...

Page 5: ...mode See figure 4 Factory settings for the blower speed jumpers are given in the wiring diagram Figure 4 shows the blower control board Use tables 1 2 and 3 to determine the correct air vol ume for op...

Page 6: ...activated only when W is energized In the backup heat mode the blower continues to operate for 2 minutes after the heating demand is satisfied NOTE Due to the nature of electric heat CFM settings are...

Page 7: ...0 975 1840 870 1610 760 1380 650 1610 760 1610 760 1610 760 1610 760 1035 490 920 435 805 380 690 325 NORM 1800 850 1600 755 1400 660 1200 565 1400 660 1400 660 1400 660 1400 660 900 425 800 380 700 3...

Page 8: ...enser fan is not running 4 Return air duct has substantial leakage 5 If low pressure switch is present see Flash Code 1 info Yellow Alert Flash Code 3 Short Cycling Compres sor is running only briefly...

Page 9: ...the Harmony zone control system Lennox Signatu reStatt or a conventional thermostat Motor rpm is continually adjusted internally to maintain constant static pressure against the blower wheel The cont...

Page 10: ...ONTROL CONNECTOR J49 BLOWER B3 HARNESS CONNECTORS J49 PIN 1 C1 PIN 2 W W1 PIN 3 C2 PIN 4 Delay PIN 5 Cool PIN 6 Y1 PIN 7 Adjust PIN 8 0ut PIN 9 0 PIN 10 DS PWM PIN 11 Heat PIN 12 R PIN 13 EM W2 PIN 14...

Page 11: ...rce as shown above 17 Disconnect W2 from ignition control and connect a separate wire between R on transformer and W2 on ignition control 18 Turn on power to unit Blower should operate at HIGH HEATING...

Page 12: ...the two scrolls fig ure figure 11 1 The centrifugal action of the orbiting scroll seals off the flanks of the scrolls figure 11 2 As the orbiting motion continues the gas is forced toward the center...

Page 13: ...limits will automatically close when temperatures return to normal Limit rating will be on front side 2 Heating Element HE1 through HE4 Heating elements are composed of helix wound bare nich rome wire...

Page 14: ...Suction 140 140 140 141 141 141 142 142 143 144 145 147 15CHAX 48 140 141 142 144 144 145 146 147 148 149 150 151 15CHAX 60 143 144 145 146 146 147 147 148 149 150 151 152 15CHAX 24 219 242 264 287 29...

Page 15: ...Page 15 VI Wiring Diagram and Sequence of Operation A Unit Diagram...

Page 16: ...E ELECTRIC HEAT 2ND STAGE 1 1 4 4 3 3 5 5 BLU BLU 1 1 2 2 3 3 4 4 5 5 6 6 208 240 208 240 VOLTAGE VOLTAGE BY OTHERS BY OTHERS BLK BLK YEL YEL RED RED BLU BLU WHT WHT BLK BLK 6 PIN 6 PIN PLUG PLUG Wiri...

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