Carrier RHV090-120 User Manual

RHV-090-120-01SI 4-22
Installation Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . 1
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 10
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . 10
Step 1 — Plan for Unit Location . . . . . . . . . . . 10
• ROOF MOUNT
Step 2 — Plan for Sequence of Unit
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
• CURB-MOUNTED INSTALLATION
• PAD-MOUNTED INSTALLATION
• FRAME-MOUNTED INSTALLATION
Step 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . 10
Step 4 — Provide Unit Support . . . . . . . . . . . . 10
• ROOF CURB MOUNT
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
SLAB MOUNT)
Step 5 — Field Fabricate Ductwork . . . . . . . . . 12
• FOR UNITS WITH ACCESSORY ELECTRIC
HEATERS
Step 6 — Rig and Place Unit . . . . . . . . . . . . . . 12
• POSITIONING ON CURB
Step 7 — Convert to Horizontal and Connect
Ductwork (when required) . . . . . . . . . . . . . . 13
Step 8 — Install Outside Air Hood . . . . . . . . . 14
• ECONOMIZER HOOD PACKAGE REMOVAL
(FACTORY OPTION)
• ECONOMIZER HOOD SETUP
Step 9 — Install External Condensate Trap
and Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Step 10 — Make Electrical Connections . . . . . 15
• FIELD POWER SUPPLY
• FIELD POWER WIRING CONNECTIONS
• UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT
• UNITS WITHOUT FACTORY-INSTALLED
NON-FUSED DISCONNECT
• ALL UNITS
• CONVENIENCE OUTLETS
• FACTORY OPTION THRU-BASE CONNECTIONS
• UNITS WITHOUT THRU-BASE CONNECTIONS
• FIELD CONTROL WIRING
• THERMOSTAT
• UNIT WITHOUT THRU-BASE CONNECTION KIT
• HEAT ANTICIPATOR SETTINGS
• COMMERCIAL DEFROST CONTROL
• ELECTRIC HEATERS
• SINGLE POINT BOXES AND SUPPLEMENTARY
FUSES
• SINGLE POINT BOXES WITHOUT FUSES
• LOW-VOLTAGE CONTROL CONNECTIONS
• CONTROL AND POWER WIRING DIAGRAMS
EconoMi$er X (Factory-Installed Option) . . . . 28
• PRODUCT DESCRIPTION
• SYSTEM COMPONENTS
• SPECIFICATIONS
•INPUTS
•OUTPUTS
• ENVIRONMENTAL
• ECONOMIZER MODULE WIRING DETAILS
• S-BUS SENSOR WIRING
• CO2 SENSOR WIRING
• INTERFACE OVERVIEW
• USER INTERFACE
• KEYPAD
• MENU STRUCTURE
• SETUP AND CONFIGURATION
• TIME-OUT AND SCREENSAVER
• STANDARD OR SINGLE SPEED FAN OPERATION
• 2 SPEED FAN OPERATION
• 2SP H/C (2 SPEED HEAT/COOL) SPEED FAN
OPERATION
• 3 SPEED FAN OPERATION
• ENTHALPY SETTINGS
•CHECKOUT
• TROUBLESHOOTING
Controller Options . . . . . . . . . . . . . . . . . . . . . . 39
• LOW AMBIENT
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . 39
• COMPLETING RETURN AIR SMOKE SENSOR
INSTALLATION
• ADDITIONAL APPLICATION DATA
Step 11 — Adjust Factory-Installed Options . 40
•SMOKE DETECTORS
Step 12 — Install Accessories . . . . . . . . . . . . 40
Step 13 — Fan Speed Set Up . . . . . . . . . . . . . 41
• UNITS WITH ELECTRO-MECHANICAL CONTROLS
Typical Unit Piping . . . . . . . . . . . . . . . . . . . . . . 43
Pre-Start and Start-Up . . . . . . . . . . . . . . . . . . . 47
START-UP CHECKLIST. . . . . . . . . . . . . . . . . CL-1
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical
shock or other conditions which may cause personal injury
or property damage. Consult a qualified installer, service
agency, or your distributor or branch for information or
assistance. The qualified installer or agency must use
factory-authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with
the kits or accessories when installing.
RHV090-120
Single Package Rooftop Heat Pump
with R-410A Refrigerant
and X-Vane Fan Technology

Carrier RHV090-120 Specifications

General

Brand	Carrier
Model	RHV090-120
Category	Heat Pump
Language	English

Summary

Safety and General Information

Unit Model Identification and Airflow Ratings

Unit model nomenclature, dimensions, and rated indoor airflow for AHRI efficiency.

Unit Installation Procedures

Jobsite Survey and Location Planning

Site assessment, unit placement, and support system planning for installation.

Unit Inspection and Support

Inspecting unit for damage and providing necessary unit support structures.

Ductwork, Rigging, and Hood Installation

Procedures for fabricating ductwork, rigging the unit, and installing the outside air hood.

Electrical and Condensate Connections

Making electrical connections and installing the external condensate trap and line.

Economizer X System

System Description and Components

Overview of the EconoMi$er X system, its module, sensors, and interface.

System Specifications and Configuration

Details electrical, input, output, environmental specs, menu structure, and settings.

System Checkout, Troubleshooting, and Options

Checkout Tests and Status Verification

Performing checkout tests, verifying status, and understanding alarm messages.

Troubleshooting Alarms and Controller Options

Guidance on alarms, errors, low ambient, and smoke detector options.

Smoke Detector Installation

Information on factory-installed smoke detector options and their installation.

Advanced System Setup and Control

Adjusting Factory Options and Installing Accessories

Adjusting factory-installed options and installing various system accessories.

Fan Speed Set Up Procedure

Procedure for setting fan speed using the Unit Control Board (UCB) controls.

Unit Piping and Final Start-Up

Typical Unit Piping Diagrams

Schematics illustrating refrigerant flow for cooling, heating, and defrost modes.

Pre-Start and Start-Up Procedures

Final steps before unit operation, referring to the service manual for detailed instructions.