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Page 4

SPECIFICATIONS three phase

General
D t

Model No.

HPXA12−036

HPXA12−048

HPXA12−060

Data

Nominal Tonnage (kW)

3 (10.6)

4 (14.1)

5 (17.6)

Connections
(sweat)

Liquid line o.d. − in. (mm)

3/8 (9.5)

3/8 (9.5)

3/8 (9.5)

(sweat)

Vapor line o.d. − in. (mm)

7/8 (22.2)

7/8 (22.2)

1−1/8 (28.6)

Refrigerant (R410A) furnished

8 lbs. 15 oz. (4.1 kg)

11 lbs. 5 oz. (5.1 kg)

11 lbs. 3 oz. (5.1 kg)

Outdoor
C il

Diameter − in. (mm) & no. of blades

18 (457) − 4

22 (559) − 4

22 (559) − 4

Coil
Fan

Motor hp (W)

1/6 (124)

1/3 (249)

1/3 (249)

Fan

Cfm (L/s)

2450 (1155)

3890 (1835)

3890 (1835)

Rpm

1100

1085

1085

Watts

200

375

375

Outdoor
C il

Net face area

2

Outer coil

15.21 (1.41)

21.11 (1.96)

21.11 (1.96)

Coil

Net face area

 sq. ft. (m

2

)

Inner coil

14.50 (1.35)

20.31 (1.89)

20.31 (1.89)

Tube diameter − in. (mm) & no. of rows

5/16 (8) − 2

5/16 (8) − 2

5/16 (8) − 2

Fins per inch (m)

18 (709)

22 (860)

22 (860)

Shipping Data

1 package − lbs. (kg)

181 (82)

244 (111)

244 (111)

ELECTRICAL DATA

Model No. HPXA12−036

−233

HPXA12−036

−463

HPXA12−048

−233

HPXA12−048

−463

HPXA12−060

−233

HPXA12−060

−463

Line voltage data − 60 hz − 3 phase

208/230V

460V

208/230V

460V

208/230V

460V

Maximum overcurrent protection  (amps)

25

10

35

15

40

20

3  

Minimum circuit ampacity

15.4

6.9

21.9

9.8

24.5

12.2

Compressor

Rated load amps

11.5

5.1

16

7.1

18.1

9

p

Locked Rotor amps

77

35

91

46

137

62

Power Factor

.98

.98

.99

.99

.99

.99

Outdoor Coil

F

M t

Full load amps

1

.55

1.9

.9

1.9

.9

Fan Motor

Locked Rotor Amps

2.3

1

4.1

2.1

4.1

2.1

OPTIONAL ACCESSORIES − MUST BE ORDERED EXTRA

Compressor Low Ambient Cut−Off

45F08

45F08

45F08

Compressor Sound Cover

69J03

69J03

69J03

Compressor Crankcase Heater

67K90

67K89

Factory Installed

Factory Installed

Freezestat

3/8 in. tubing

93G35

93G35

93G35

1/2 in. tubing

39H29

39H29

39H29

5/8 in. tubing

50A93

50A93

50A93

Hail Guards

17L73

17L74

17L74

Low Ambient Kit

54M89

54M89

54M89

Mild Weather Kit

33M07

33M07

33M07

Monitor Kit − Service Light

76F53

76F53

76F53

Outdoor
Thermostat

Thermostat

56A87

56A87

56A87

Thermostat
Kit

Mounting Box − US

31461

31461

31461

Kit

Canada

33A09

33A09

33A09

Mounting
Base

Model (Catalog) No.

MB2-S 

(69J06)

MB2-L 

(69J07)

MB2-L 

(69J07)

g

Base

Net Weight

6 lbs. (3 kg)

15 lbs. (7 kg)

15 lbs. (7 kg)

Refrigerant
Line Set

15 ft. (4.6 m) length

L15−65−15

L15−65−15

Field Fabricate

g

Line Set

30 ft. (9 m) length

L15−65−30

L15−65−30

Field Fabricate

40 ft. (12 m) length

L15−65−40

L15−65−40

Field Fabricate

50 ft. (15 m) length

L15−65−50

L15−65−50

Field Fabricate

Unit Stand-Off Kit

94J45

94J45

94J45

NOTE − Extremes of operating range are plus 10% and minus 5% of line voltage.

1

Refrigerant charge is sufficient for 15 ft. (4.6 m) length line set.

2

HACR tyoe circuit breaker or fuse.

3

Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.

Содержание HPXA12 SERIES

Страница 1: ...quipment rated for R410A WARNING Warranty will be voided if covered equipment is re moved from original installation site Warranty will not cover damage or defect resulting from Flood wind lightning o...

Страница 2: ...80 181 82 OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Compressor Monitor Canada Only 45F08 45F08 45F08 45F08 Hail Guards 17L73 17L73 17L73 17L73 Mild Ambient Kit LB 101122 32M08 32M08 32M08 32M08 Monit...

Страница 3: ...B2 L 69J07 Mounting Base Net Weight 6 lbs 3 kg 15 lbs 7 kg 15 lbs 7 kg Refrigerant Li S t 30 ft 9 m length L15 65 30 L15 65 30 Field Fabricate g Line Set 40 ft 12 m length L15 65 40 L15 65 40 Field Fa...

Страница 4: ...62 Power Factor 98 98 99 99 99 99 Outdoor Coil F M t Full load amps 1 55 1 9 9 1 9 9 Fan Motor Locked Rotor Amps 2 3 1 4 1 2 1 4 1 2 1 OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Compressor Low Ambient...

Страница 5: ...early compressor failure IMPORTANT This unit must be matched with an indoor coil as specified in Lennox Engineering Handbook II UNIT COMPONENTS Unit components are illustrated in figure 1 COMPRESSOR C...

Страница 6: ...nal Y2 for 2nd stage thermostat input 46M8201 56M8501 DELAY pins 56M8501 The demand defrost board uses basic differential temper ature means to detect degradation of system performance due to ice buil...

Страница 7: ...e Y1 Out line is engaged a 5 minute short cycle will occur after the switch closes Operational Description The demand defrost board has three basic operational modes Normal Defrost and Calibration Nor...

Страница 8: ...period If the board fails to calibrate another defrost cycle will be initiated after 90 minutes of heating mode compressor run time Once the defrost board is calibrated it will use de mand defrost log...

Страница 9: ...e board and all sensors FLASH FLASH Normal operation Unit operating normally or in standby mode None required ON OFF Strike Out pressure lockout Short test pins or reset 24V power to board to override...

Страница 10: ...the two scrolls figure 10 1 The centrifugal action of the orbiting scroll seals off the flanks of the scrolls figure 10 2 As the orbiting motion contin ues the gas is forced toward the center of the s...

Страница 11: ...uire a run capacitor In all units the condenser fan is controlled by the compressor contactor ELECTRICAL DATA tables in this manual show specifi cations for condenser fans used in HPXA12s Access to th...

Страница 12: ...ch settings for R410A refrigerant will be significantly higher than units with R22 An auto reset single pole single throw high pressure switch is located in the liquid line This switch shuts off the c...

Страница 13: ...ON OF REFRIGERANT FLOW SERVICE PORT SUCTION EXPANSION CHECK VALVE INDOOR UNIT OUTDOOR UNIT LIQUID LINE SERVICE PORT GAUGE MANIFOLD INTERNAL COMPRESSOR LIMIT DISTRIBUTOR INDOOR COIL COIL SENSOR FIGURE...

Страница 14: ...em out counterclockwise as far as it will go NOTE Use a 3 16 hex head extension for 3 8 line sizes or a 5 16 extension for large line sizes 3 Replace the stem cap Tighten finger tight then tighten an...

Страница 15: ...e high pres sure hose is connected to the liquid line port however connecting it to the vapor port better protects the man ifold gauge set from high pressure damage 6 Adjust the nitrogen pressure to 1...

Страница 16: ...injury or death Units are factory charged with the amount of R410A refrig erant indicated on the unit rating plate This charge is based on a matching indoor coil and outdoor coil with 15 ft 4 5m line...

Страница 17: ...for checking charge Block equal sections of air intake panels mov ing obstructions sideways as shown until liquid pres sure is in the 300 350 psig 2068 2413 kPa range BLOCKING OUTDOOR COIL CARDBOARD O...

Страница 18: ...344 127 380 128 335 100 TABLE 8 R410A Temperature Pressure Chart Temperature F Pressure Psig Temperature F Pressure Psig Temperature F Pressure Psig Temperature F Pressure Psig 32 100 8 63 178 5 94 29...

Страница 19: ...eplaced to eliminate moisture from POE oil VI MAINTENANCE In order to maintain the warranty on this equipment the HPXA12 system must be serviced annually and a record of service maintained The followi...

Страница 20: ...Page 20 VII WIRING DIAGRAM AND SEQUENCE OF OPERATION 5 6 7 8 9 10 11 12 13 15 1 2 3 4 14 1 4 HPXA12 1 5 THROUGH 5 TON UNIT WIRING Single Phase 230V...

Страница 21: ...Page 21 5 6 7 8 9 10 11 12 13 15 2 3 14 1 4 HPXA12 3 THROUGH 5 TON UNIT WIRING Three Phase 230V 7...

Страница 22: ...Page 22 5 6 7 8 9 10 11 12 13 15 2 3 14 1 4 HPXA12 3 THROUGH 5 TON UNIT WIRING Three Phase 460V 7...

Страница 23: ...K1 5 minute anti cylce time must be satisfied first 11 K1 1 N O closes energizing compressor and out door fan motor 460V units only K1 1 closes energizing compressor B1 and outdoor relay K10 energizin...

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