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Major system components, General – Carrier 48/50PD05 User Manual

Page 42

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42

Table 18 — Pressure (psig) vs. Voltage Drop Values for Suction Pressure Transducers

PRESSURE

(psig)

VOLTAGE

DROP (V)

PRESSURE

(psig)

VOLTAGE

DROP (V)

PRESSURE

(psig)

VOLTAGE

DROP (V)

PRESSURE

(psig)

VOLTAGE

DROP (V)

0

0.465

68

1.135

136

1.804

204

2.474

2

0.485

70

1.154

138

1.824

206

2.493

4

0.505

72

1.174

140

1.844

208

2.513

6

0.524

74

1.194

142

1.863

210

2.533

8

0.544

76

1.214

144

1.883

212

2.553

10

0.564

78

1.233

146

1.903

214

2.572

12

0.583

80

1.253

148

1.922

216

2.592

14

0.603

82

1.273

150

1.942

218

2.612

16

0.623

84

1.292

152

1.962

220

2.631

18

0.642

86

1.312

154

1.982

222

2.651

20

0.662

88

1.332

156

2.001

224

2.671

22

0.682

90

1.351

158

2.021

226

2.690

24

0.702

92

1.371

160

2.041

228

2.710

26

0.721

94

1.391

162

2.060

230

2.730

28

0.741

96

1.410

164

2.080

232

2.749

30

0.761

98

1.430

166

2.100

234

2.769

32

0.780

100

1.450

168

2.119

236

2.789

34

0.800

102

1.470

170

2.139

238

2.809

36

0.820

104

1.489

172

2.159

240

2.828

38

0.839

106

1.509

174

2.178

242

2.848

40

0.859

108

1.529

176

2.198

244

2.868

42

0.879

110

1.548

178

2.218

246

2.887

44

0.898

112

1.568

180

2.237

248

2.907

46

0.918

114

1.588

182

2.257

250

2.927

48

0.938

116

1.607

184

2.277

252

2.946

50

0.958

118

1.627

186

2.297

254

2.966

52

0.977

120

1.647

188

2.316

256

2.986

54

0.997

122

1.666

190

2.336

258

3.005

56

1.017

124

1.686

192

2.356

260

3.025

58

1.036

126

1.706

194

2.375

262

3.045

60

1.056

128

1.726

196

2.395

264

3.065

62

1.076

130

1.745

198

2.415

266

3.084

64

1.095

132

1.765

200

2.434

268

3.104

66

1.115

134

1.785

202

2.454

270

3.124

MAJOR SYSTEM COMPONENTS

General

The 48/50PD single package rooftop units contain the
ComfortLink™ electronic control system that monitors all

operations of the rooftop. The control system is composed of
several main control components and available factory-installed

options or field-installed accessories as listed in

sections below.

See Fig. 12--14 for the control and power

schematics for

48/50PD. Fig. 15 shows the layout of the control box, unit, and

thermistor and transducer locations for the 48/50PD.

48/

50P

D