Carrier 19XL manuales

Carrier 19XL Especificaciones (392 paginas)

Marca: Carrier | Categoria: Máquinas productoras de hielo | Tamaño: 3.79 MB |

Inglés

Tabla de contenidos

1

50/60 Hz

1

Analog Signal

8

Contents

10

Initial Start-Up

17

List of Tables

26

List of Figures

30

Introduction

35

Machine Familiarization

38

Motor-Compressor

39

Control Center

39

Storage Vessel (Optional)

39

Refrigeration Cycle

40

Design I

42

Design II

42

Lubrication Cycle

43

Oil Reclaim System

45

During Light Load Conditions

46

Starting Equipment

47

Controls

51

PIC System Components

52

Processor Module (PSIO)

53

Local Interface Device (LID)

54

6-Pack Relay Board

55

8-Input Modules

55

Oil Heater Contactor (1C)

55

Oil Pump Contactor (2C)

55

General

57

Alarms and Alerts

58

Menu Structure

59

To View Point Status (

61

Figure 15

61

Override Operations

63

For Discrete Points

64

For Analog Points

64

Time Schedule Operation (

66

Figure 18

66

Figure 19

70

PIC System Functions

74

Deadband

75

Proportional Bands and Gain

75

Demand Limiting

76

Machine Timers

76

Occupancy Schedule

77

Safety Controls

79

(and figure following table)

80

Default Screen Freeze

81

Motor Cooling Control

81

Ramp Loading Control

82

Capacity Override (Table 4)

83

Oil Sump Temperature Control

84

Oil Cooler

85

Remote Start/Stop Controls

86

Spare Safety Inputs

86

Condenser Pump Control

87

Condenser Freeze Prevention

88

Tower-Fan Relay

88

TOWER FAN RELAY

89

CONDENSER WATER PUMP

89

Water/Brine Reset

90

Surge Prevention Algorithm

93

Surge Protection

95

Lead/Lag Control

96

Machine Communication Wiring

98

Lead/Lag Operation

98

Faulted Chiller Operation

103

Load Balancing

104

Ice Build Control

105

Ice Build Initiation

106

Start-Up/Recycle Operation

107

Termination Of Ice Build

108

Changing Refrigerant Types

111

Service Operation

113

To Log Off

114

Holiday Scheduling (

114

Figure 23

114

Local Start-Up

119

Shutdown Sequence

120

CONDENSER REFRIGERANT TEMP

121

CONDENSER PRESSURE OVERRIDE

121

COMPRESSOR MOTOR LOAD

121

ENTERING CONDENSER WATER

121

Higher)

122

Chilled Water Recycle Mode

122

Safety Shutdown

124

Before Initial Start-Up

125

Remove Shipping Packaging

126

Open Oil Circuit Valves

126

Torque All Gasketed Joints

126

Check Machine Tightness

127

Refrigerant Tracer

127

Leak Test Machine

128

Standing Vacuum Test

131

Storage Tank

132

Machine Dehydration

133

Inspect Water Piping

136

Check Starter

142

Mechanical-Type Starters

143

Oil Charge

150

Software Version

152

Input the Design Set Points

153

Selecting Refrigerant Type

153

Input Service Configurations

154

Input Time and Date

155

Occdef Table Modifications

161

Holidef Table Modifications

161

Brodefs Table Modifications

161

Other Tables

161

Check Voltage Supply

162

High Altitude Locations

164

Initial Start-up

169

TARGET GUIDE

171

VANE POSITION

171

TARGET GUIDE VANE POSITION

171

Check Rotation

172

Cooler-Condenser

175

Operating Instructions

177

To Start the Machine

178

Check the Running System

178

To Stop the Machine

180

After Limited Shutdown

180

Extended Shutdown

181

After Extended Shutdown

181

Cold Weather Operation

182

Manual Guide Vane Operation

182

Refrigeration Log

183

Preparation

184

Machines with Storage Tanks

185

CCCCCCCCC

188

1a 1b 2 3 4 5 8 11 12 13 14

192

C CCCC C C

193

CCCCCCCCCCC

193

CC CCCCC

194

C CCCCC C C

196

General Maintenance

198

Adding Refrigerant

199

Removing Refrigerant

199

Refrigerant Leak Testing

200

Leak Rate

200

Checking Guide Vane Linkage

202

Trim Refrigerant Charge

203

Weekly Maintenance

204

Scheduled Maintenance

205

Changing Oil Filter

206

Oil Specification

208

Oil Changes

208

Refrigerant Filter

209

Oil Reclaim Filters

210

Replace the

211

Condenser

212

Water Leaks

213

Water Treatment

214

Check Pressure Transducers

216

Figure 40

218

Troubleshooting Guide

219

Checking the Display Messages

220

Checking Temperature Sensors

220

Voltage Drop

221

Check Sensor Accuracy

221

Dual Temperature Sensors

222

Transducer Replacement

225

Control Test

227

Control Modules

230

Red Led

231

Green LEDs

231

Other Green LED

232

Green LED

232

Notes on Module Operation

233

Figure 44)

236

Options Modules (8-Input)

237

Installation

239

Solid-State Starters

241

(Internal View)

245

Physical Data

248

Wiring Schematic

250

Schematic

250

Pic Component Panel Location

251

Table 2 — LID Screens

252

Volt/ Hz

279

Motor Code

279

CD CE CL CM CN CP CQ CR

279

Legend For Table 10, A - N

283

Table 10L — Machine Alerts

297

Table 13 — Cutler-Hammer

309

Component

312

19EA47-748 575-3-60 13.8 23.0

316

19EA44-748 230-3-60 19.5 57.5

316

Components — Design I

319

Components — Design II

321

Figure 3 — Refrigerant Motor

322

Figure 4 — Lubrication System

323

Internal View

324

(Solid-State Starter Shown)

326

Figure 9 — Control Sensors

328

(Temperature)

328

Figure 10 — Control Sensors

329

Screen (Status01)

334

Figure 18 — Example of Time

337

Schedule Operation Screen

337

Figure 19 — Example of

338

Set Point Screen

338

Figure 20 — 19XL Hot Gas

339

Bypass/Surge Prevention

339

Metric Settings

340

Figure 23 — Example of

342

Holiday Period Screen

342

Figure 24 — Control Sequence

343

Figure 25 — Typical Wet-Bulb

344

Type Vacuum Indicator

344

Starter Power Stack

349

Torque Potentiometers

350

Adjustment

351

Solid-State Starter

352

Figure 35 — Refrigeration Log

354

Figure 36 — 19XL Pumpout

355

Unit Wiring Schematic

355

Figure 38 — Guide Vane

357

Actuator Linkage

357

Figure 39 — 19XL Float

358

Valve Designs

358

Figure 40 — Optional Pumpout

359

System Controls

359

LED Locations

360

Figure 43 — Processor (PSIO)

362

Figure 44 — Starter

363

Management Module

363

Figure 45 — Options Module

364

Figure 47 — Resistance Check

366

® Terminal Functions

369

Compressor Assembly Torques

372

Carrier Factory Wiring

375

Optional (Factory or

375

Field-Installed) Wiring

375

Starter Cabinet Wiring

377

Field Wiring

377

Schematic (page 2 of 2)

378

(Remove and use for job ﬁle.)

381

MACHINE INFORMATION:

381

INSTRUCTIONS

381

CONFIGURATION SETTINGS LOG

383

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