Carrier 38EYA instruction manual Required Liquid-Line Temperature F, Final Checks

Page 15

Table 4—Required Liquid-Line Temperature (°F)

LIQUID PRESSURE

REQUIRED SUBCOOLING TEMPERATURE

LIQUID PRESSURE

REQUIRED SUBCOOLING TEMPERATURE

 

 

(°F)

 

 

 

(°F)

 

AT SERVICE VALVE

 

 

 

AT SERVICE VALVE

 

 

 

5

10

 

15

20

5

10

 

15

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

174

56

51

 

46

41

398

112

107

 

102

97

181

58

53

 

48

43

405

113

108

 

103

98

188

61

56

 

51

46

412

114

109

 

104

99

195

63

58

 

53

48

419

115

110

 

105

100

202

65

60

 

55

50

426

117

112

 

107

102

209

67

62

 

57

52

433

118

113

 

108

103

216

69

64

 

59

54

440

119

114

 

109

104

223

71

66

 

61

56

447

120

115

 

110

105

230

73

68

 

63

58

454

122

117

 

112

107

237

75

70

 

65

60

461

123

118

 

113

108

244

77

72

 

67

62

468

124

119

 

114

109

251

79

74

 

69

64

475

125

120

 

115

110

258

81

76

 

71

66

482

126

121

 

116

111

265

82

77

 

72

67

489

127

122

 

117

112

272

84

79

 

74

69

496

129

124

 

119

114

279

86

81

 

76

71

503

130

125

 

120

115

286

88

83

 

78

73

510

131

126

 

121

116

293

89

84

 

79

74

517

132

127

 

122

117

300

91

86

 

81

76

524

133

128

 

123

118

307

93

88

 

83

78

531

134

129

 

124

119

314

94

89

 

84

79

538

135

130

 

125

120

321

96

91

 

86

81

545

136

131

 

126

121

328

97

92

 

87

82

552

137

132

 

127

122

335

99

94

 

89

84

559

138

133

 

128

123

342

100

95

 

90

85

566

139

134

 

129

124

349

102

97

 

92

87

573

140

135

 

130

125

356

103

98

 

93

88

580

141

136

 

131

126

363

105

100

 

95

90

587

142

137

 

132

127

370

106

101

 

96

91

594

143

138

 

133

128

377

107

102

 

97

92

601

144

139

 

134

129

384

109

104

 

99

94

608

145

140

 

135

130

391

110

105

 

100

95

 

 

 

 

 

 

 

 

 

 

 

 

 

Step 15—Final Checks

IMPORTANT: Before leaving job, be sure to do the following:

1.Securely fasten all panels and covers.

2.Tighten service valve stem caps to 1/12-turn past finger tight.

3.Leave User’s Manual with owner. Explain system operation and periodic maintenance requirements outlined in manual.

4.Fill out Dealer Installation Checklist and place in customer file.

CARE AND MAINTENANCE

For continuing high performance and to minimize possible equip- ment failure, periodic maintenance must be performed on this equipment.

Frequency of maintenance may vary depending upon geographic areas, such as coastal applications.

15

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Contents Installation and Start-Up Instructions Operating Ambients Install On a Solid, Level Mounting PadCheck Equipment and Job Site Clearance RequirementsMaking Piping Connections Elevate UnitCheck Indoor Expansion Device Check Defrost ThermostatInstall Adapter Tube Outdoor Unit Connected to FACTORY-APPROVEDIndoor Unit Evacuate Refrigerant Tubing and Indoor Coil Tighten Refrigerant Tubing and Filter DrierSweat Connection Leak CheckingStart-Up Install Electrical AccessoriesMake Electrical Connections Compressor Crankcase HeaterProgrammable Thermostat TWO Thermostat SINGLE-STAGE Heat Pump Model DF VAC COM Not Used Trouble Optional Outdoor Sensor Connection Smart Heat Pump W2D CUT W2T JW1 ODT Wiring Diagram Notes Sequence of Operation → -PHASE Monitor LED IndicatorsUnit Charge Cooling only Procedure ExampleHeating Check Chart Procedure Check ChargeFinal Checks Required Liquid-Line Temperature FPuron R-410A Quick Reference Guide

38EYA specifications

The Carrier 38EYA is a high-efficiency, ducted air conditioning system that stands out in the HVAC industry for its blend of advanced technology, reliable performance, and energy-saving capabilities. Designed for residential applications, the 38EYA model showcases Carrier’s commitment to innovation and comfort.

One of the key features of the Carrier 38EYA is its outstanding SEER (Seasonal Energy Efficiency Ratio) rating, often exceeding 16, which underscores its energy efficiency. This high rating means that the unit consumes less electricity, leading to lower utility bills while maintaining a comfortable indoor climate. The system is equipped with a variable-speed compressor that adjusts its output to meet the cooling demands of the space, providing precise temperature control while minimizing energy consumption.

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User-friendly operation is enhanced through the optional smart thermostat, which allows homeowners to control their cooling system remotely. This integration with smart technology provides convenience and helps optimize energy use, further enhancing savings on energy costs. Additionally, the whisper-quiet operation of the system ensures that homeowners can enjoy a peaceful environment without the distraction of loud machinery.

Furthermore, the Carrier 38EYA incorporates a multi-stage filtration system that improves indoor air quality by capturing dust, allergens, and other pollutants. This feature is particularly beneficial for households with allergy sufferers or pets.

Overall, the Carrier 38EYA represents a blend of energy efficiency, advanced technology, and user-friendly features, making it a top choice for homeowners seeking a reliable and effective home cooling solution. Its commitment to sustainability, combined with optimal performance, positions the 38EYA as a leading option in modern air conditioning systems, ensuring comfort and satisfaction for years to come.