Carrier 48/50Z030-105- Manual

Carrier 48/50Z030-105

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Table of Contents:

  • Page 2 – SAFETY CONSIDERATIONS; Do not; WARNING; What to do if you smell gas:
  • Page 3 – GENERAL; Table 1 — Z Series Product Line; Comfort; Conventions Used in This Manual —; Configuration; UNIT
  • Page 4 – BASIC CONTROL USAGE; LinkTM Controls —; Scrolling Marquee —; ENTER; ESCAPE; Fig. 1 — Scrolling Marquee; Fig. 2 — Accessory Navigator Display
  • Page 5 – Operation —; System PilotTM Interface —; Fig. 3 — System Pilot User Interface
  • Page 6 – Table 2 — Scrolling Marquee Menu Display Structure
  • Page 23 – Units With Airfoil Fan*
  • Page 28 – Table 23 — Fan Performance — Standard Capacity Power Exhaust; Bhp —; AIRFLOW
  • Page 29 – Table 25 — Fan Performance — High-Capacity Power Exhaust
  • Page 31 – Table 29 — Unit Design Airflow Limit
  • Page 33 – CONTROLS QUICK START; Setpoints
  • Page 36 – P ro g r a m m i n g O p e r a t i n g S c h e d u l e s —; SERVICE TEST
  • Page 37 – Table 31 — Service Test
  • Page 39 – and
  • Page 41 – Table 32 — Operating Modes Display Table; ITEM
  • Page 42 – Unit Configuration Submenu —
  • Page 43 – Fig. 4 — Mode Selection
  • Page 44 – Table 33 — Unit Configuration
  • Page 45 – Cooling Control —
  • Page 46 – Table 34 — Machine Dependent Configurations
  • Page 48 – Table 38 — Cool/Heat Set Point Offsets Configuration; OHSP; Fig. 5 — VAV Occupied Period Trip Logic
  • Page 49 – Lo Cool End; Fig. 6 — Cool Mode Evaluation
  • Page 50 – Table 39 — Run Status Mode Trip Helper; TEMP
  • Page 51 – Table 40 — Run Status Cool Display; SUM Calculation
  • Page 52 – Switch Status
  • Page 53 – Table 41 — Demand Limit Configuration; CCN Loadshed Demand Limiting
  • Page 54 – Heating Control —; Table 42 — Heating Configuration
  • Page 55 – Table 43 — Heat/Cool Set Point Offsets
  • Page 56 – Table 44 — Mode Trip Helper Table; Fig. 7 — Heating Offsets
  • Page 57 – Table 45 — Hydronic Heat Configuration
  • Page 58 – Table 46 — Staged Gas Configuration
  • Page 59 – Table 47 — Staged Gas Heat
  • Page 61 – Static Pressure Control —
  • Page 62 – Table 52 — Static Pressure Control Configuration
  • Page 64 – Fan Status Monitoring; Table 54 — Fan Status Monitoring Configuration; Dirty Filter Switch —; Table 53 — Static Pressure Reset Related Points
  • Page 65 – Table 55 — Dirty Filter Switch Points; Economizer —; Fig. 8 — Enthalpy Switch Jumper Positions
  • Page 66 – Table 56 — Economizer Configuration Table
  • Page 67 – Fig. 10 — Custom Changeover Curve Example
  • Page 69 – Building Pressure Control —; Table 57 — Economizer Run Status Table
  • Page 71 – Table 58 — Building Pressure Configuration
  • Page 72 – Smoke Control Modes —
  • Page 73 – Indoor Air Quality Control —
  • Page 74 – Table 59 — Indoor Air Quality Configuration
  • Page 75 – Fig. 12 — IAQ Response Curve; VENTILATION FOR PEOPLE; Fig. 11 — IAQ Control
  • Page 76 – Humidification —
  • Page 77 – Dehumidification and Reheat —
  • Page 78 – Table 62 — Dehumidification Configuration; Temperature Compensated Start —
  • Page 79 – Carrier Comfort Network
  • Page 80 – Table 63 — CCN Configuration; Alert Limit Configuration —
  • Page 81 – Table 64 — Alert Limit Configuration; Sensor Trim Configuration —; Inputs; Discrete Switch Logic Configuration —
  • Page 82 – Table 65 — Sensor Trim Configuration; Display Configuration —; Table 66 — Switch Logic Configuration
  • Page 83 – Table 67 — Display Configuration; Remote Control Switch Input —; Table 68 — Remote Switch Configuration; Hot Gas Bypass —; Space Temperature Offset —; Table 69 — Remote Switch Logic Configuration
  • Page 84 – TIME CLOCK CONFIGURATION; MNTH; Local Time Schedule (
  • Page 85 – Table 70 — Time Clock Menu
  • Page 86 – Transducer Troubleshooting —; Table 71 — Cooling Service Analysis
  • Page 90 – Table 77 — Discharge Pressure; Forcing Inputs and Outputs —; PRESSURE
  • Page 91 – Fig. 13 — IGC Service Analysis Logic; IDM —
  • Page 92 – Table 78 — Auto View of Run Status Display Table; SMZ
  • Page 94 – Alarms and Alerts —; Alarms
  • Page 100 – Fig. 14 — Differential Pressure Chart
  • Page 102 – Factory-Installed Components
  • Page 104 – Fig. 16 — Main Base Board Input/Output Connections
  • Page 115 – Table 87 — Main Control Board (MBB) Inputs and Outputs
  • Page 118 – Table 91 — Control Expansion Module (CEM) Inputs and Outputs; TEST
  • Page 119 – Table 92 — Field Terminal Connections
  • Page 120 – POINT NAME; Fig. 30 — Scrolling Marquee
  • Page 121 – Table 94 — VFD Terminal Designations; TERMINAL
  • Page 122 – Accessory Control Components —
  • Page 123 – Fig. 32 — Accessory Navigator Display
  • Page 124 – DAV; Fig. 33 — CCN System Architecture
  • Page 127 – Fig. 39 — Burner Section Detail
  • Page 128 – Adjustments; Plate Adjustment
  • Page 129 – Cleaning —; Fig. 47 — Condenser Fan Position (Units with High
  • Page 130 – Do not reuse drained oil, and do not use any oil that has; Table 96 — Oil Charge
  • Page 131 – SS
  • Page 132 – Relief Devices —; Fig. 51 — Typical Compressor Overtemperature
  • Page 133 – APPENDIX A — LOCAL DISPLAY TABLES; MODE — RUN STATUS
  • Page 134 – MODE — SERVICE TEST
  • Page 136 – MODE — INPUTS
  • Page 142 – APPENDIX B — CCN TABLES; Comtfort; STATUS DISPLAY TABLES
  • Page 146 – SERVICE-CONFIG TABLES
  • Page 150 – MAINTENANCE DISPLAY TABLES
  • Page 156 – TIME SCHEDULE CONFIG TABLE; APPENDIX C — UNIT STAGING TABLES; STAGING SEQUENCE — SIZE 030 UNITS — 60 Hz
  • Page 160 – APPENDIX D — VFD INFORMATION; Table A — VFD Terminal Designations
  • Page 161 – Table B — VFD Configurations; VFD Operation —
  • Page 162 – VFD Modes —
  • Page 163 – Fig. C — Standard Display Example
  • Page 165 – Table C — Fault Codes
  • Page 166 – Table D — Alarm Codes; ALARM
  • Page 167 – VFD Maintenance —; Table E — Maintenance Intervals; MAINTENANCE; Fig. D — Main Fan Replacement
  • Page 168 – Fig. F — Internal Enclosure Fan Replacement
  • Page 169 – APPENDIX E — MODE SELECTION PROCESS; YES
  • Page 170 – APPENDIX E — MODE SELECTION PROCESS (cont)
  • Page 171 – INDEX
  • Page 173 – CONTROLS SET POINT AND CONFIGURATION LOG
  • Page 174 – CONTROLS SET POINT AND CONFIGURATION LOG (cont)
  • Page 179 – UNIT START-UP CHECKLIST; ELECTRICAL
Loading the manual

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

Catalog No. 04-53480039-01

Printed in U.S.A. Form 48/50Z-5T Pg 1

7-08

Replaces: 48/50Z-4T

Controls, Start-Up, Operation,

Service and Troubleshooting

CONTENTS

Page

SAFETY CONSIDERATIONS

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

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,4

Conventions Used in this Manual

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

BASIC CONTROL USAGE

. . . . . . . . . . . . . . . . . . . . . . 4-7

Comfort

Link Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Scrolling Marquee

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Accessory Navigator™ Display

. . . . . . . . . . . . . . . . . . 4

Operation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

System Pilot™ Interface

. . . . . . . . . . . . . . . . . . . . . . . . . . 5

CCN Tables and Display

. . . . . . . . . . . . . . . . . . . . . . . . . . 5

• GENERIC STATUS DISPLAY TABLE

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-32

Unit Preparation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unit Setup

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Internal Wiring

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Accessory Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Crankcase Heaters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Evaporator Fan

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Gas Heat

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

CONTROLS QUICK START

. . . . . . . . . . . . . . . . . . . 33-36

Two-Stage Constant Volume Units with

Mechanical Thermostat

. . . . . . . . . . . . . . . . . . . . . . . 33

Two-Stage Constant Volume Units with

Space Sensor

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Variable Air Volume Units Using Return Air

Sensor or Space Temperature Sensor

. . . . . . . . . 33

Multi-Stage Constant Volume Units with

Mechanical Thermostat

. . . . . . . . . . . . . . . . . . . . . . . 33

Multi-Stage Constant Volume Units with

Space Sensor

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Economizer Options

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Indoor Air Quality Options

. . . . . . . . . . . . . . . . . . . . . . 34

Exhaust Options

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Set Clock on VFD (if installed)

. . . . . . . . . . . . . . . . . . . 35

Programming Operating Schedules

. . . . . . . . . . . . . 36

SERVICE TEST

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-38

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Service Test Mode Logic

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

Independent Outputs

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

Fans

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

Actuators

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

Cooling

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

Heating

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

THIRD PARTY CONTROL

. . . . . . . . . . . . . . . . . . . . . 39, 40

Thermostat

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Alarm Output

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Remote Switch

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

VFD Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Supply Air Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Demand Limit Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Economizer/Outdoor Air Damper Control

. . . . . . . 39

Page

CONTROLS OPERATION

. . . . . . . . . . . . . . . . . . . . . 40-83

Modes

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

• SYSTEM MODES

• HVAC MODES

Unit Configuration Submenu

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

Cooling Control

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

• SETTING UP THE SYSTEM

• MACHINE DEPENDENT CONFIGURATIONS

• SET POINTS

• SUPPLY AIR RESET CONFIGURATION

• COOLING CONFIGURATION

• COOL MODE SELECTION PROCESS

• COOL MODE DIAGNOSTIC HELP

• SUMZ COOLING ALGORITM

• DEMAND LIMIT CONTROL

• HEAD PRESSURE CONTROL

• ECONOMIZER INTEGRATION WITH

MECHANICAL COOLING

Heating Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

• SETTING UP THE SYSTEM

• HEAT MODE SELECTION PROCESS

• TEMPERATURE DRIVEN HEAT MODE

EVALUATION

• HEAT MODE DIAGNOSTIC HELP

• TWO-STAGE GAS AND ELECTRIC HEAT

CONTROL

• HYDRONIC HEATING CONTROL

• STAGED GAS HEATING CONTROL

• INTEGRATED GAS CONTROL BOARD LOGIC

• RELOCATE SAT FOR HEATING-LINKAGE SYSTEM

• TEMPERING MODE

Static Pressure Control

. . . . . . . . . . . . . . . . . . . . . . . . . 61

• OPERATION

• SETTING UP THE SYSTEM

• STATIC PRESSURE RESET

• RELATED POINTS

Fan Status Monitoring

. . . . . . . . . . . . . . . . . . . . . . . . . . . 64

• GENERAL

• SETTING UP THE SYSTEM

• SUPPLY FAN STATUS MONITORING LOGIC

Dirty Filter Switch

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Economizer

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

• SETTING UP THE SYSTEM

• ECONOMIZER OPERATION

• ECONOMIZER CHANGEOVER SELECT

• UNOCCUPIED ECONOMIZER FREE COOLING

• OUTDOOR AIR CFM CONTROL

• ECONOMIZER OPERATION CONFIGURATION

• ECONOMIZER DIAGNOSTIC HELP

Building Pressure Control

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

• BUILDING PRESSURE CONFIGURATION

• BUILDING PRESSURE CONTROL OPERATION

• CONFIGURING THE BUILDING PRESSURE

ACTUATORS TO COMMUNICATE VIA ACTUATOR

SERIAL NUMBER

• CONTROL ANGLE ALARM CONFIGURATION

WEATHERMASTER

®

48/50Z030-105

Single Package Large Rooftop Units with

COMFORT

LINK™ Version 4.X Controls

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Summary

Page 2 - SAFETY CONSIDERATIONS; Do not; WARNING; What to do if you smell gas:

2 CONTENTS (cont) Page Smoke Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 • FIRE SMOKE INPUTS • AIRFLOW CONTROL DURING THE FIRE/SMOKE MODES • RELEVANT ITEMS Indoor Air Quality Control . . . . . . . . . . . . . . . . . . . . . . . 73 • OPERATION • SETTING UP THE SYSTEM • PRE...

Page 3 - GENERAL; Table 1 — Z Series Product Line; Comfort; Conventions Used in This Manual —; Configuration; UNIT

3 GENERAL This book contains Start-Up, Controls, Operation, Trouble- shooting and Service information for the 48/50Z Series rooftop units. See Table 1. These units are equipped with Comfort Link™ controls version 4.X or higher. Use this guide in conjunction with the separate installation instruction...

Page 4 - BASIC CONTROL USAGE; LinkTM Controls —; Scrolling Marquee —; ENTER; ESCAPE; Fig. 1 — Scrolling Marquee; Fig. 2 — Accessory Navigator Display

4 instead of the local display. The CCN tables are located in Appendix B of this manual. BASIC CONTROL USAGE Comfort Link™ Controls — The Comfort Link con- trols are a comprehensive unit-management system. The con- trol system is easy to access, configure, diagnose and trouble- shoot. The controls a...

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