Carrier Weathermaster 48P030-100 - User Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480461-01 Printed in U.S.A. Form No. 48-50P-13T Rev.A Pg 1 10-23 Replaces: 48-50P-12T
Controls, Start-Up, Operation,
Service and Troubleshooting
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Conventions Used in This Manual . . . . . . . . . . . . . . . 4
BASIC CONTROL USAGE . . . . . . . . . . . . . . . . . . . . . . 5
ComfortLink Controls . . . . . . . . . . . . . . . . . . . . . . . . . 5
Scrolling Marquee . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Accessory Navigator™ Display . . . . . . . . . . . . . . . . . 5
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CCN Tables and Display . . . . . . . . . . . . . . . . . . . . . . . 7
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Accessory Installation . . . . . . . . . . . . . . . . . . . . . . . . 7
Crankcase Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Evaporator Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CONTROLS QUICK START . . . . . . . . . . . . . . . . . . . . 35
VAV Units Using RAT or SPT . . . . . . . . . . . . . . . . . . 35
Multi-Stage CV Units with Mechanical Thermostat . . 35
Multi-Stage CV Units with Space Sensor . . . . . . . . 35
Economizer Options . . . . . . . . . . . . . . . . . . . . . . . . . 36
Indoor Air Quality Options . . . . . . . . . . . . . . . . . . . . 36
Exhaust Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Set Clock on VFD (If Installed) . . . . . . . . . . . . . . . . . 37
Programming Operating Schedules . . . . . . . . . . . . 37
SERVICE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Service Test Mode Logic . . . . . . . . . . . . . . . . . . . . . 38
Independent Outputs . . . . . . . . . . . . . . . . . . . . . . . . 38
Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Humidi-MiZer System . . . . . . . . . . . . . . . . . . . . . . . . 40
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
THIRD-PARTY CONTROL . . . . . . . . . . . . . . . . . . . . . 42
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Remote Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
VFD Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Supply Air Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Demand Limit Control . . . . . . . . . . . . . . . . . . . . . . . . 42
Economizer/Outdoor Air Damper Control . . . . . . . 42
CONTROLS OPERATION . . . . . . . . . . . . . . . . . . . . . 44
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Unit Configuration Submenu . . . . . . . . . . . . . . . . . .46
Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Heating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Static Pressure Control . . . . . . . . . . . . . . . . . . . . . . .72
Fan Status Monitoring . . . . . . . . . . . . . . . . . . . . . . . .74
Dirty Filter Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Building Pressure Control . . . . . . . . . . . . . . . . . . . .83
Smoke Control Modes . . . . . . . . . . . . . . . . . . . . . . . .87
Indoor Air Quality Control . . . . . . . . . . . . . . . . . . . . .87
Humidification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Dehumidification and Reheat . . . . . . . . . . . . . . . . . .92
Humidi-MiZer Option . . . . . . . . . . . . . . . . . . . . . . . . .94
Temperature Compensated Start . . . . . . . . . . . . . . .96
Carrier Comfort Network
®
(CCN) . . . . . . . . . . . . . . .97
Alert Limit Configuration . . . . . . . . . . . . . . . . . . . . . .98
Sensor Trim Configuration . . . . . . . . . . . . . . . . . . . .99
Discrete Switch Logic Configuration . . . . . . . . . . .100
Display Configuration . . . . . . . . . . . . . . . . . . . . . . .101
VFD Configurations . . . . . . . . . . . . . . . . . . . . . . . . .101
Remote Control Switch Input . . . . . . . . . . . . . . . . .103
Hot Gas Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Space Temperature Offset . . . . . . . . . . . . . . . . . . .104
TIME CLOCK CONFIGURATION . . . . . . . . . . . . . . .104
Hour and Minute (HH.MM) . . . . . . . . . . . . . . . . . . . .105
Month of Year (MNTH) . . . . . . . . . . . . . . . . . . . . . . .105
Day of Month (DOM) . . . . . . . . . . . . . . . . . . . . . . . .105
Day of Week (DAY) . . . . . . . . . . . . . . . . . . . . . . . . .105
Year (YEAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Local Time Schedule (SCH.L) . . . . . . . . . . . . . . . . .105
Local Holiday Schedules (HOL.L) . . . . . . . . . . . . .105
Daylight Savings Time (DAY.S) . . . . . . . . . . . . . . .105
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . .106
Complete Unit Stoppage . . . . . . . . . . . . . . . . . . . . .106
Single Circuit Stoppage . . . . . . . . . . . . . . . . . . . . .106
Service Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Restart Procedure . . . . . . . . . . . . . . . . . . . . . . . . . .106
Humidi-MiZer Troubleshooting . . . . . . . . . . . . . . .106
Thermistor Troubleshooting . . . . . . . . . . . . . . . . . .106
Transducer Troubleshooting . . . . . . . . . . . . . . . . .115
Forcing Inputs and Outputs . . . . . . . . . . . . . . . . . .115
Run Status Menu . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Alarms and Alerts . . . . . . . . . . . . . . . . . . . . . . . . . .122
MAJOR SYSTEM COMPONENTS . . . . . . . . . . . . . .133
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Weathermaster
®
48/50P030-100
Single Package Large Rooftop Units with
ComfortLink Version 9.X Controls

Carrier Weathermaster 48P030-100 Specifications

General

Model Number	48P030-100
Category	Air Handlers
Cooling Capacity	30, 000 BTU/h
Refrigerant	R-410A
Fan Type	Forward-curved centrifugal
Fan Motor Type	Permanent Split Capacitor
Cabinet Construction	Galvanized steel
Airflow	1, 200 CFM
Power Supply	208/230V, 1 Phase, 60 Hz
Insulation	Foil-faced fiberglass
Cabinet Finish	Powder coat
Coil Type	Copper tube with aluminum fins
Control Options	Thermostat
Application	Commercial light

Summary

Safety Considerations

Electrical Shock, Fire or Explosion Hazard

Hazardous operation, serious injury, death or property damage from electrical shock, fire or explosion.

Carbon-Monoxide Poisoning Hazard

Severe personal injury or death due to carbon-monoxide poisoning from infiltration of combustion products.

General

Conventions Used in This Manual

Explains conventions used for parameters and navigation in the manual.

Basic Control Usage

ComfortLink Controls

Description of the comprehensive unit management system.

Scrolling Marquee

Keypad interface for accessing control information, reading sensor values, and testing the unit.

Accessory Navigator Display

Hand-held module providing the same interface as the scrolling marquee display.

Controls Quick Start

VAV Units Using RAT or SPT

Procedure for configuring VAV units using return air or space temperature sensors.

Multi-Stage CV Units with Mechanical Thermostat

Procedure for configuring multi-stage CV units with a mechanical thermostat.

Multi-Stage CV Units with Space Sensor

Procedure for configuring multi-stage CV units with a space sensor.

Service Test

General

Information on using the Service Test feature to force unit into different operational modes.

Service Test Mode Logic

Explains how service tests operate, including sub-menu specific logic and interaction between tests.

Independent Outputs

Allows turning on and off specific outputs regardless of other states.

Fans

Enables manual or automatic test operation for fans.

Actuators

Allows calibration and control of actuators.

Controls Operation

Modes

Explains the hierarchy of command structure: System, HVAC, and Control modes.

System Mode

Defines the three essential states: OFF, RUN, and TEST.

HVAC MODES

Defines functional levels of operation under System Mode, specifying unit states.

Unit Configuration Submenu

Defines general unit configuration items, including machine control type, unit size, and fan mode.

Third-Party Control

VFD Control

Details on controlling the unit via a Variable Frequency Drive.

Demand Limit Control

Explains restriction of machine capacity to control power usage.

Economizer;Outdoor Air Damper Control

Describes methods for controlling the economizer damper.

IAQ Discrete Input Configuration

Configures the IAQ sensor for discrete input control.

Controls Set Point and Configuration Log (Cooling)

Machine Control Type

Defines the technique and control source for selecting cooling modes and staging.

Controls Set Point and Configuration Log (Heating)

Heat Mode Selection Process

Describes the process for selecting heating modes based on unit type and demand.

Appendix D - VFD Information

VFD Operation

Information on operating the Variable Frequency Drive.

Start Up By Changing Parameters Individually

Procedure for manually setting VFD parameters.

VFD Modes

Details on different modes for VFD configuration, operation, and diagnostics.

Appendix E - ACH580 Branch Circuit Protection (CONT)

VFD Fuse Box

Information on fuses integrated into the VFD fuse box.

VFD Bypass Box

Information on fuses integrated into the VFD bypass box.

Appendix G - UPC Open Controller

To Address the UPC Open Controller

Procedure for assigning a unique address to the UPC Open controller.

Configure the BAS Port for BACnet MS;TP

Instructions for configuring the BAS Port for BACnet MS/TP communication.

Appendix H - Optional Motormaster V Control (CONT)

Configure Motormaster V Control

Instructions for configuring the Motormaster V control for PI mode.

Test Motormaster V Control

Procedure for testing the Motormaster V control and motor.

START-UP

Steps for starting up the Motormaster V electronic control.