Carrier 39L- User Manual

Carrier 39L

Carrier 39L– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – Make Electrical Connections —
  • Page 4 – Fig. 1 — Basic PIC Order Number
  • Page 5 – Fig. 2 — PIC Option Order Number
  • Page 8 – Fig. 5 — PIC Section Control Box Component Arrangements, 39L
  • Page 11 – Control Circuit From Dedicated Source
  • Page 12 – Table 1 — Input and Output Points
  • Page 37 – Table 2 — Junction Box Connections for Optional Remote Control Box
  • Page 38 – Typical Piping
  • Page 39 – Fig. 15 — Hot Water Valve Wiring
  • Page 40 – Fig. 16 — Chilled Water Valve Wiring; Fig. 17 — Duct Static Pressure Probe
  • Page 41 – Temperature Sensor, and Supply-Air Temperature Sensor; NEMA — National Electrical Manufacturers’ Association
  • Page 42 – RESISTANCE; Mixed-Air Temperature Sensor —; Sensor Installation
  • Page 44 – CONTROL SETTINGS; DIAL; Fig. 24 — Enthalpy Control Settings
  • Page 45 – Fig. 28 — Duct High Humidity Switch
  • Page 47 – Sensor Locations
  • Page 48 – Airflow Switch —
  • Page 49 – Filter Status Switch —; Table 6 — CO; CO
  • Page 50 – Fig. 40 — Ventilation Rates Based on CO; Fig. 43 — Probe Manifolding
  • Page 51 – Note that the probe does not measure true velocity pres-; OAHR = Transducer high pressure; Table 7 — OAC Pressure Transducers
  • Page 52 – Field Wiring Connections —; Table 8 — Recommended Sensor and
  • Page 53 – Fig. 44 — Field Wiring of Sensors
  • Page 54 – Table 9 — Recommended Actuators; Fig. 46 — Exhaust Damper Actuator Wiring (Smoke; EXD — Exhaust Air
  • Page 55 – Fig. 47 — Field-Supplied Mixing Box Actuator Signal Wiring
  • Page 58 – NC
  • Page 60 – Fig. 56 — Wiring of Two-Stage Humidification Control Relays; Fig. 57 — Wiring of the Duct
  • Page 61 – Fig. 59 — Duct Mounted Relative Humidity; RH — Relative Humidity; Fig. 61 — Wiring of Relative Humidity Transmitters
  • Page 62 – AQ; Fig. 62 — Air Quality and OAVP Sensor Wiring; IGV — Inlet Guide Vane; Fig. 63 — Field-Installed Fan Volume Control
  • Page 63 – Fig. 65 — Wiring of Return Fan Volume Control; Fig. 66 — Wiring of Return Fan Volume Control
  • Page 64 – CONTROL SYSTEM; Fig. 68 — CCN Sensor Plug and Communication
  • Page 65 – Fig. 69 — CCN Communication Wiring
  • Page 66 – Fig. 70 — Outdoor Air Thermostat/DSIO Wiring
  • Page 67 – The; Table 10 — Local Interface Device Key Usage; Fig. 74 — Local Interface Device
  • Page 68 – Table 11 — Functions and Subfunctions
  • Page 69 – Table 12 — Accessing Functions and Subfunctions; OPERATION
  • Page 70 – Table 13 — Keyboard Directory
  • Page 71 – DX — Direct Expansion
  • Page 79 – Table 14 — Display Codes
  • Page 81 – Example 5 — Using Quick Test; Programming Functions; Example 6 — Logging On and Logging Off
  • Page 82 – Table 16 — Service Configuration Ranges and Defaults
  • Page 83 – Table 16 — Service Configuration Ranges and Defaults (cont)
  • Page 88 – Example 20 — Reading and Changing; key is used as the colon when; Example 21 — Setting of Time and Date
  • Page 89 – Example 23 — Setting of Holidays; Fig. 75 — Schedule I Sample Time Schedule
  • Page 96 – Constant Volume Units Only
  • Page 97 – — Constant Volume; RH
  • Page 98 – DX; Fig. 78 — DX Submaster Gain Control Operation
  • Page 99 – Variable Air Volume Units Only
  • Page 101 – OA
  • Page 103 – Initial Check; Quick Test —
  • Page 104 – Table 18 — Test of Input Signals
  • Page 106 – Table 19 — Test of Output Signals
  • Page 108 – Table 22 — Direct Expansion (DX) Cooling Test; Electronic Valve Actuator Field Test —; Table 23 — Digital DC Volt Meter vs; CONTROL LOOP CHECKOUT
  • Page 109 – Table 24 — Recommended Gain Starting Valves; VALVE TROUBLESHOOTING
  • Page 110 – Example 25 — Forcing An Output; Typical Linkages
  • Page 111 – CONTROL MODULE TROUBLESHOOTING; or
  • Page 112 – Fig. 83 — Module Address Selector Switch
  • Page 113 – UNIT TROUBLESHOOTING
  • Page 116 – METRIC CONVERSION CHART
Loading the manual

Installation, Operation, and

Start-Up Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . 2

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-64

Service Area Requirements

. . . . . . . . . . . . . . . . . . . 2

Remote Control Box Option

. . . . . . . . . . . . . . . . . . 2

• REMOTE CONTROL BOX CONDENSATE

PREVENTION

Make Electrical Connections

. . . . . . . . . . . . . . . . . . 3

Variable Frequency Drives

. . . . . . . . . . . . . . . . . . . 38

Water Valve Assemblies

. . . . . . . . . . . . . . . . . . . . . 38

• VALVE WIRING

Duct Static Pressure Probe (VAV Units)

. . . . . . 39

Space Temperature Sensor

. . . . . . . . . . . . . . . . . . 40

Outdoor-Air Temperature Sensor

. . . . . . . . . . . . . 42

Mixed-Air Temperature Sensor

. . . . . . . . . . . . . . . 42

Enthalpy Switch

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

• CONTROL RANGES

Supply-Air Temperature Sensor

. . . . . . . . . . . . . . 44

Return-Air Temperature Sensor

. . . . . . . . . . . . . . 44

Heat Interlock Relay

. . . . . . . . . . . . . . . . . . . . . . . . . 45

Fan Relay

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Duct High Humidity Switch

. . . . . . . . . . . . . . . . . . 45

Wall-Mounted Relative Humidity Sensor

. . . . . . 46

Duct-Mounted Relative Humidity Sensor

. . . . . . 47

• LOCATION FOR OUTSIDE AIR RELATIVE

HUMIDITY

• LOCATION FOR RETURN AIR RELATIVE

HUMIDITY

Mixing Box Linkage

. . . . . . . . . . . . . . . . . . . . . . . . . 47

Airflow Switch

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Low-Temperature Thermostat

. . . . . . . . . . . . . . . . 48

Outdoor-Air Thermostat

. . . . . . . . . . . . . . . . . . . . . 48

Filter Status Switch

. . . . . . . . . . . . . . . . . . . . . . . . . 49

High-Pressure Switch

. . . . . . . . . . . . . . . . . . . . . . . 49

Air Quality Sensors

. . . . . . . . . . . . . . . . . . . . . . . . . 49

Constant Outside Air (OAC) Control

. . . . . . . . . . 50

• PROBE INSTALLATION
• OAC CALIBRATION
• USING OAVP VALUES TO DETERMINE DUCT

AIRFLOW

• FIELD-SUPPLIED OR HIGH-VELOCITY

PRESSURE TRANSDUCERS

Field Wiring Connections

. . . . . . . . . . . . . . . . . . . . 52

• REMOTE LOCAL INTERFACE DEVICE (HSIO)
• RETURN-AIR TEMPERATURE SENSOR,

OUTDOOR-AIR TEMPERATURE SENSOR,
ENTHALPY SWITCH, AND MIXED-AIR
TEMPERATURE SENSOR

• SPACE TEMPERATURE SENSOR (SPT)
• DAMPER ACTUATORS
• SMOKE CONTROL OPTION
• ANALOG DEVICE FOR ANALOG OUTPUT

TEMPERATURE CONTROL

• DEVICE UNDER DISCRETE OUTPUT

TEMPERATURE CONTROL

• DISCRETE OUTPUT DEVICE UNDER

TIMECLOCK CONTROL

• HUMIDIFICATION DEVICES
• AIR QUALITY SENSOR
• OUTSIDE AIR VELOCITY PRESSURE (OAVP)

SENSOR

• FAN VOLUME CONTROL
• ELECTRIC HEATER
• CARRIER COMFORT NETWORK INTERFACE
• OUTDOOR-AIR THERMOSTAT

CONTROL SYSTEM

. . . . . . . . . . . . . . . . . . . . . . . 64-68

Processor (PSIO Master) and Option (PSIO Slave)

Modules

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Relay (DSIO) Module

. . . . . . . . . . . . . . . . . . . . . . . 65

Local Interface Device (HSIO)

. . . . . . . . . . . . . . . 67

CONTROL OPERATION

. . . . . . . . . . . . . . . . . . . 69-91

Accessing Functions and Subfunctions

. . . . . 69

Display Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . 69

• SUMMARY DISPLAY
• STATUS FUNCTION
• HISTORY FUNCTION
• TEST FUNCTION

Programming Functions

. . . . . . . . . . . . . . . . . . . 81

• SERVICE FUNCTION
• SET POINT FUNCTION
• SCHEDULE FUNCTION

CONTROL OPERATING SEQUENCE

. . . . . . . 92-102

Constant Volume and Variable Air

Volume Units

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Constant Volume Units Only

. . . . . . . . . . . . . . . . 96

Variable Air Volume Units Only

. . . . . . . . . . . . . 99

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103-108

Initial Check

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Quick Test

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Electronic Valve Actuator Field Test

. . . . . . . . 108

CONTROL LOOP CHECKOUT

. . . . . . . . . . . . 108,109

To Check Operation of Analog Outputs

. . . . . 108

VALVE TROUBLESHOOTING

. . . . . . . . . . . . . 109-111

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

All

1

⁄

2

-in. Through 1

1

⁄

4

-in. Electric Hot Water/Steam

Valve Assemblies

. . . . . . . . . . . . . . . . . . . . . . . 109

All 1

1

⁄

2

-in. Through 3-in. Valve Assemblies

. . 110

CONTROL MODULE

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . 111,112

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Module Replacement (PSIO, DSIO)

. . . . . . . . . 112

UNIT TROUBLESHOOTING

. . . . . . . . . . . . . . . 113-115

METRIC CONVERSION CHART

. . . . . . . . . . . . . 116

39L,NX

Central Station Air-Handling Units

With Product Integrated Controls (PIC)

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 3
Tab

1b

PC 201

Catalog No. 533-913

Printed in U.S.A.

Form 39L,NX-2SI

Pg 1

3-96

Replaces: 39L,NX-1SI

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Summary

Page 3 - Make Electrical Connections —

Mount the remote control box as follows: 1. Loosen and remove the 4 nuts securing the control panel in the control box. 2. Remove the control panel from the box; set the panel and nuts aside for reassembly later. 3. Mount the control box to the Unistrut t support using field- supplied fasteners. 4. ...

Page 4 - Fig. 1 — Basic PIC Order Number

LEGEND ABX — Air BlenderAF — Airfoil CV — Constant Volume IGV — Inlet Guide Vanes FC — Forward-Curved FMB — Filter Mixing BoxMXB — Mixing BoxPIC — Product Integrated Controls VAV — Variable Air Volume *The cv capacity rating is the flow (gpm) through a valve at 1 psi pres- sure drop. Fig. 1 — Basic ...

Page 5 - Fig. 2 — PIC Option Order Number

LEGEND AF — Airfoil CV — Constant Volume DX — Direct Expansion FC — Forward-Curved FMB — Filter Mixing BoxMXB — Mixing BoxN.C. — Normally Closed N.O. — Normally OpenPIC — Product Integrated Controls VAV — Variable Air Volume *The cv capacity rating is the flow (gpm) through a valve at 1 psi pressure...

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