EasyManua.ls Logo

Carrier 40RUA-14 - User Manual

Carrier 40RUA-14
68 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53400086-01 Printed in U.S.A. Form No. 40RU-25-30-02SI Pg 1 2-24 Replaces: 40RU-25-30-01SI
Installation, Start-up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Refrigerant and Chilled Water Piping Access . . . . 16
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chilled Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . 20
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . 21
Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . 21
THREE STAGE OPERATION
FREEZE PROTECTION
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . . 26
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . 29
DISCHARGE CONNECTIONS
RETURN CONNECTIONS
OUTDOOR-AIR INLET CONNECTIONS
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
40RUA and 40RUQ ONLY . . . . . . . . . . . . . . . . . . . . . 31
Adjusting TXV for Superheat
(40RUA and 40RUQ only) . . . . . . . . . . . . . . . . . . . 31
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . 31
Indoor Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Cooling with Staged Air Volume
(SAV) . . . . . . . . 31
FIRST STAGE (Y1)
SECOND STAGE (Y2)
THIRD STAGE (Y3) — 3-STAGE SYSTEMS ONLY
Operating Fan for Test and Balance . . . . . . . . . . . . 32
Fan Speed Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
UNITS WITH ELECTRO-MECHANICAL CONTROLS
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Quarterly Inspection
(and 30 days after initial start) . . . . . . . . . . . . . . . 33
INDOOR SECTION
Seasonal Maintenance . . . . . . . . . . . . . . . . . . . . . . . 33
AIR CONDITIONING
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . .34
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . .34
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . .34
Fan Shaft Position Adjustment . . . . . . . . . . . . . . . .34
Individual Fan Wheel Adjustment . . . . . . . . . . . . . .34
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . .35
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . .36
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . .44
INDOOR FAN MOTOR
VFD FUSES
FAN FAULT DETECTION:
VFD ALARMS AND FAULTS TROUBLESHOOTING
•ALARMS
CLEAR THE ALARM LED
FAULTS
VFD REMOTE KEYPAD . . . . . . . . . . . . . . . . . . . . . . .46
ACS320 Operation with Remote Keypad . . . . . . . . .46
ACS320 VFD Modes . . . . . . . . . . . . . . . . . . . . . . . . . .46
STANDARD DISPLAY MODE
PARAMETERS MODE
CHANGED PARAMETERS MODE
DRIVE PARAMETER BACKUP MODE
•CLOCK SET MODE
I/O SETTINGS MODE
ACS320 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .48
FAULTS (RED LED LIT)
ALARMS (GREEN LED FLASHING)
Correcting Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
•HISTORY
Correcting Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Reset After Using Start-Up Assistant . . . . . . . . . . .51
ACH580 Operation with Remote Keypad . . . . . . . .51
FIRST START ASSISTANT
ACH580 VFD Modes . . . . . . . . . . . . . . . . . . . . . . . . .52
ACH580 STANDARD DISPLAY MODE
PARAMETERS MODE
CHANGED PARAMETERS MODE
DRIVE PARAMETER BACKUP MODE
•CLOCK SET MODE
I/O SETTINGS MODE
ACH580 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .54
FAULTS (RED LED LIT)
ALARMS (GREEN LED FLASHING)
CORRECTING FAULTS
CORRECTING ALARMS
VFD MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . .57
Heat Sink Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . .57
Fan Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
40RU 25-30
Packaged Air-Handling Units
with Puron
®
(R-410A) Refrigerant
60 Hz

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Carrier 40RUA-14 and is the answer not in the manual?

Carrier 40RUA-14 Specifications

General IconGeneral
BrandCarrier
Model40RUA-14
CategoryAir Handlers
LanguageEnglish

Related product manuals