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Table 6—Required Suction-Line Temperature (°F WB)

SUPERHEAT

TEMP

(°F)

SUCTION PRESSURE AT SERVICE PORT (PSIG)

107.8

112.2

116.8

121.2

126.0

130.8

138.8

140.8

145.8

0

35

37

39

41

43

45

47

49

51

2

37

39

41

43

45

47

49

51

53

4

39

41

43

45

47

49

51

53

55

6

41

43

45

47

49

51

53

55

57

8

43

45

47

49

51

53

55

57

59

10

45

47

49

51

53

55

57

59

61

12

47

49

51

53

55

57

59

61

63

14

49

51

53

55

57

59

61

63

65

16

51

53

55

57

59

61

63

65

67

18

53

55

57

59

61

63

65

67

69

20

55

57

59

61

63

65

67

69

71

22

57

59

61

63

65

67

69

71

73

24

59

61

63

65

67

69

71

73

75

26

61

63

65

67

69

71

73

75

77

28

63

65

67

69

71

73

75

77

79

30

65

67

69

71

73

75

77

79

81

32

67

69

71

73

75

77

79

81

83

34

69

71

73

75

77

79

81

83

85

36

71

73

75

77

79

81

83

85

87

38

73

75

77

79

81

83

85

87

89

40

75

77

79

81

83

85

87

89

91

9

Summary of Contents for 38ESA

Page 1: ...erate at higher pressures than standard R 22 systems Do not use R 22 service equipment or com ponents on Puron equipment INSTALLATION RECOMMENDATIONS NOTE In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows patios decks etc where unit operation sound may disturb customer 2 Ensure that vapor and liquid tube...

Page 2: ...must be maintained Maintain a distance of 24 in between units Position so water snow or ice from roof or eaves cannot fall directly on unit Step 4 Operating Ambients The minimum outdoor operating ambient in cooling mode is 55 F and the maximum outdoor operating ambient in cooling mode is 125 F Step 5 Check Indoor AccuRater Piston and Install Piston Ring 38EZA Standard If unit is to be installed wi...

Page 3: ...revent damage to tubing 5 Using wire cutters cut equalizer tube off flush with vapor tube inside cabinet 6 Remove bulb from vapor tube inside cabinet 7 Braze equalizer stub tube closed Use protective barrier as necessary to prevent damage to drain pan IMPORTANT Route the equalizer tube of Puron TXV through suction line connection opening in fitting panel prior to replacing fitting panel around tub...

Page 4: ...ubing and indoor coil are now ready for leak testing This check should include all field and factory joints EVACUATE REFRIGERANT TUBING AND INDOOR COIL Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is fol...

Page 5: ...be Diameter Connection Diameter Tube Diameter Connection Diameter Tube Diameter 018 024 3 8 3 8 5 8 5 8 5 8 3 4 030 036 3 8 3 8 3 4 3 4 3 4 7 8 042 048 3 8 3 8 7 8 7 8 7 8 1 1 8 060 3 8 3 8 7 8 1 1 8 7 8 1 1 8 NOTES 1 Tube diameters are for lengths up to 50 ft For tubing lengths greater than 50 ft horizontal or greater than 20 ft vertical differential consult the Application Guideline and Service ...

Page 6: ...l Electrical Accessories Refer to the individual instructions packaged with kits or acces sories when installing Step 11 Start Up To prevent compressor damage or personal injury observe the following Do not overcharge system with refrigerant Do not operate unit in a vacuum or at negative pressure Do not vent refrigerant to atmosphere Recover during system repair or final unit disposal Do not disab...

Page 7: ...y relay circuit the indoor blower runs an additional 90 sec to increase system efficiency Step 12 Check Charge UNIT CHARGE Factory charge and charging method are shown on unit informa tion plate Charge Puron units using a commercial type metering device in manifold hose Charge refrigerant into suction line NOTE If superheat or subcooling charging conditions are not favorable charge must be weighed...

Page 8: ...on note superheat 7 Refer to Table 6 Find superheat temperature located in item 6 and suction pressure At this intersection note suction line temperature 8 If a unit has a higher suction line temperature than charted temperature add refrigerant until charted temperature is reached 9 If unit has a lower suction line temperature than charted temperature reclaim refrigerant until charted temperature ...

Page 9: ...3 55 57 59 10 45 47 49 51 53 55 57 59 61 12 47 49 51 53 55 57 59 61 63 14 49 51 53 55 57 59 61 63 65 16 51 53 55 57 59 61 63 65 67 18 53 55 57 59 61 63 65 67 69 20 55 57 59 61 63 65 67 69 71 22 57 59 61 63 65 67 69 71 73 24 59 61 63 65 67 69 71 73 75 26 61 63 65 67 69 71 73 75 77 28 63 65 67 69 71 73 75 77 79 30 65 67 69 71 73 75 77 79 81 32 67 69 71 73 75 77 79 81 83 34 69 71 73 75 77 79 81 83 85...

Page 10: ...CONDITIONER C INDOOR FAN HEAT STAGE 1 COOL STAGE 1 C SEE NOTE 2 G A97367 24 VAC HOT 24 VAC COM R C G W W1 Y Y2 R C C CARRIER NON PROGRAMMABLE THERMOSTAT MODEL AC FA FB FC FD FF FX FAN COIL AIR CONDITIONER SEE NOTE 2 G W2 HEAT STAGE 1 COOL STAGE 1 INDOOR FAN A97594 24 VAC HOT R G W W1 Y Y2 O W2 R W2 C B S1 S2 CARRIER PROGRAMMABLE THERMOSTAT MODEL AC FA FB FC FD FF FX FAN COIL AIR CONDITIONER G Y1 W...

Page 11: ...AN COIL AIR CONDITIONER G Y1 W2 L INDOOR FAN HEAT STAGE 1 COOL STAGE 1 NOT USED 24 VAC COM NOT USED NOT USED NOT USED OPTIONAL OUTDOOR SENSOR CONNECTION C Y1 O C SEE NOTE 2 J2 JUMPER J1 JUMPER A97597 WIRING DIAGRAM NOTES 1 CARRIER THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS TSTAT _______ 2 WIRING MUST CONFORM TO NEC OR LOCAL CODES 3 SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH E...

Page 12: ...riers with rated working pressures less than 600 psig Do not install a suction line filter drier in liquid line POE oils absorb moisture rapidly Do not expose oil to atmosphere Poe oils may cause damage to certain plastics and roofing materials Wrap all filter driers and service valves with wet cloth when brazing A factory approved liquid line filter drier is required on every unit Do not use an R...

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