International comfort products CXH5 Installation Instructions Manual Download Page 17

INSTALLATION INSTRUCTIONS

R

410A Split System Heat Pump

428 01 5106 00

17

Figure 16

Rating Plate (required) Subcooling Temperature 

°

F (

°

C)

Measured Liquid

Pressure (psig)

°

F

(

°

C)

°

F

(

°

C)

°

F

(

°

C)

°

F

C)

F

C)

F

(

°

C)

6

3

8

4

10

6

12

7

14

8

16

9

R

410A Required Liquid Line Temperature 

°

F (

°

C)

251

78

26

76

24

74

23

72

22

70

21

68

20

259

80

27

78

26

76

24

74

23

72

22

70

21

266

82

28

80

27

78

26

76

24

74

23

72

22

274

84

29

82

28

80

27

78

26

76

24

74

23

283

86

30

84

29

82

28

80

27

78

26

76

24

291

88

31

86

30

84

29

82

28

80

27

78

26

299

90

32

88

31

86

30

84

29

82

28

80

27

308

92

33

90

32

88

31

86

30

84

29

82

28

317

94

34

92

33

90

32

88

31

86

30

84

29

326

96

36

94

34

92

33

90

32

88

31

86

30

335

98

37

96

36

94

34

92

33

90

32

88

31

345

100

38

98

37

96

36

94

34

92

33

90

32

364

104

40

102

39

100

38

98

37

96

36

94

34

374

106

41

104

40

102

39

100

38

98

37

96

36

384

108

42

106

41

104

40

102

39

100

38

98

37

395

110

43

108

42

106

41

104

40

102

39

100

38

406

112

44

110

43

108

42

106

41

104

40

102

39

416

114

46

112

44

110

43

108

42

106

41

104

40

427

116

47

114

46

112

44

110

43

108

42

106

41

439

118

48

116

47

114

46

112

44

110

43

108

42

450

120

49

118

48

116

47

114

46

112

44

110

43

462

122

50

120

49

118

48

116

47

114

46

112

44

474

124

51

122

50

120

49

118

48

116

47

114

46

Summary of Contents for CXH5

Page 1: ...gnal word CAUTION is used throughout this manual in the following manner Signal Words on Product Labeling Signal words are used in combination with colors and or pictures on product labels WARNING Saf...

Page 2: ...kes vents or bedroom windows Noise may carry into the openings and disturb people inside Locate unit in a well drained area or support unit high enough so that water runoff will not enter the unit Loc...

Page 3: ...6 152mm 24 610mm Service Wall Wall Wall 6 152mm 6 152mm Post Wall Wall 18 457mm 18 457mm 18 457mm 18 152mm 6 152mm 6 152mm 6 152mm 18 457mm 18 457mm 18 457mm 18 457mm 24 610mm Service 24 610mm Servic...

Page 4: ...se levels are required Supporting structure or platform for the unit must be level If installation is on a flat roof locate unit minimum 6 inches 152mm above roof level Place the unit over one or more...

Page 5: ...ng operation Heat pumps also use an outdoor piston for heating operation refer to section F Check piston size shipped with indoor unit to see if it matches required indoor piston size shown on outdoor...

Page 6: ...ne in the field use dehydrated or dry sealed deoxidized copper refrigeration tubing Do not use copper water pipe Do not remove rubber plugs or caps from copper tubing until connections are ready to be...

Page 7: ...OOR WALL INDOOR WALL LIQUID TUBE SUCTION TUBE INSULATION CAULK HANGER STRAP AROUND SUCTION TUBE ONLY JOIST 1 25mm MIN THROUGH THE WALL SUSPENSION CAUTION UNIT OPERATION HAZARD Failure to follow this c...

Page 8: ...and suction tube stub is copper Figure 7 Liquid Service Valve with Heating Piston and Adapter Tube PISTON BODY LIQUID SERVICE VALVE PISTON PLASTIC WASHER ADAPTER TUBE BRASS NUT Vapor Service Valve VA...

Page 9: ...free of air and water Watch the vacuum gauge as the system is pulling down The response of the gauge is an indicator of the condition of the system refer to Figure 8 With no leaks in the system allow...

Page 10: ...the main remote electrical disconnect device There may be more than one disconnect device Supply voltage must be 208 230 volts 197 volt minimum to 253 volts maximum 60 Hz single phase Outdoor units ar...

Page 11: ...ALLING OUTDOOR THERMOSTATS SYSTEMS WITH ONE OUTDOOR THERMOSTAT G R W 3 C O R G R W 3 C E C W 2 Y W 2 O R C W 2 Y W 2 C L G Y E O R SYSTEMS WITHOUT OUTDOOR THERMOSTATS C G R W 2 C Y O R W 2 SUBBASE THE...

Page 12: ...the defrost thermostat itself will not be observed Skip to 3 2 Use a volt meter to confirm there is no voltage across the DFT leads 24 volts across the SFT terminals indicates an OPEN defrost thermos...

Page 13: ...Defrost Control Board R8 OF1 K1 O1 R21 C2 R6 H9C1 C US R14 R13 D13 R7 C4 C10 JW2 JW1 D3 C16 C7 R28 D6 JW3 C13 R4 R1 R2 R3 R11 R5 R26 D1 D2 D10 A29 R9 D4 C19 C9 C1 OF2 CEBD430524 01A 5501A P2 1 Y T1 C...

Page 14: ...e below Unit is factory charged for 15 feet 4 6m of lineset Adjust charge by adding or removing 0 6 oz ft 17 g mm of 3 8 liquid line above or below 15 feet 4 6 m respectively For standard refrigerant...

Page 15: ...easure suction pressure by attaching an accurate gage to suction valve service port 3 Measure suction temperature by attaching an accurate thermistor type or electronic thermometer to suction line at...

Page 16: ...4 16 18 20 20 20 75 3 11 13 16 18 18 19 82 6 8 12 15 16 17 85 4 7 11 14 15 16 90 4 8 12 14 15 95 6 10 12 14 100 4 8 11 12 105 3 6 9 11 110 5 7 10 115 3 6 8 Optimum performance point 82 F 28 C outdoor...

Page 17: ...84 29 82 28 80 27 308 92 33 90 32 88 31 86 30 84 29 82 28 317 94 34 92 33 90 32 88 31 86 30 84 29 326 96 36 94 34 92 33 90 32 88 31 86 30 335 98 37 96 36 94 34 92 33 90 32 88 31 345 100 38 98 37 96 3...

Page 18: ...V F E S A4X24 A 5 3 FVM FCM 4X24 3 5 3 3 FXM4X24 A 5 3 FEM4X24 A 3 3 FS M U 4P24 A TXV 5 3 ED 4X30 EA 4X30 14 17 A 3 EN 4X30 3 3 EHD4X30A 3 3 FEM4 P X 30 A TXV 3 FSA4X30 A 3 FEA4X30 A 3 FXM4X30 A 3 5...

Page 19: ...e 17 Additional Subcooling Tables 15 SEER 13 14 SEER Subcooling Delta from Rating Plate Value Subcooling Delta from Rating Plate Value OUTDOOR UNIT TONNAGE OUTDOOR UNIT TONNAGE EN 4X60 24 3 EHD4X60A 3...

Page 20: ...ROUBLESHOOTING Some models are factory equipped with the Comfort Alertt Diagnostics device in the control box refer to Figure 18 Comfort Alert provides around the clock monitoring for common electrica...

Page 21: ...a tion 4 If low pressure switch present go to Flash Code 1 informa tion Yellow ALERT Flash Code 4 Locked Rotor 1 Run capacitor has failed 2 Low line voltage contact utility if voltage at disconnect is...

Page 22: ...igerants is only compatible with POE oils Vacuum pumps will not remove moisture from oil Do not use liquid line filter driers with rated working pressures less than 600 psig Do not install a suction l...

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