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Carrier 30RQS070 User Manual

Carrier 30RQS070
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INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Reversible Air-to-Water Heat Pumps
30RQS/30RQSY 039-160 “A”
Original instructions
Nominal cooling capacity 40-160 kW
50 Hz
Touch Pilot Junior
For the operation of the control please refer to the
Touch Pilot Junior Control manual for the 30RB/30RQ 017-160 series
30RQS
30RQSY

Table of Contents

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Carrier 30RQS070 Specifications

General IconGeneral
Model Number30RQS070
CategoryHeat Pump
HSPF Rating8.2
Refrigerant TypeR-410A
Compressor TypeScroll
Voltage208/230V
Phase1
Sound Level (Outdoor Unit)72 dB
Cooling Capacity70000 BTU/h

Summary

Introduction to Carrier Heat Pump Units

30RQSY Variable Pressure Aspects

Details specific to 30RQSY units with variable available pressure and ductwork.

Installation Safety Precautions

Essential safety considerations before and during unit installation.

Repair Safety Guidelines

Safety recommendations for performing repairs on the unit's components.

Unit Handling and Installation Site

Moving and Lifting Procedures

Guidelines for safely moving and lifting the unit using appropriate equipment.

Unit Siting and Placement

Recommendations for selecting an appropriate installation location for the unit.

Pre-Start-Up System Checks

Essential checks to perform on the system before unit start-up.

30RQSY Unit Installation Specifics

Duct Connection Requirements

Details on connecting air ducts to the unit's suction and discharge sides.

Unit Dimensions and Clearances

Application Data and Operating Ranges

Cooling Mode Operating Range

Defines the operating limits for cooling mode for standard units.

Heating Mode Operating Range

Defines the operating limits for heating mode for standard units.

Electrical Connections and Power Supply

Voltage Phase Imbalance Checks

Procedures for checking and ensuring acceptable voltage phase imbalance.

Water Connections and Fluid Handling

Water Connection Precautions

Operating precautions and recommendations for water circuit connections.

Hydronic Connections and Frost Protection

Guidelines for hydronic connections and frost protection measures.

System Water Flow Control

Variable-Speed Pump Flow Control (Pressure Differential)

Controlling flow based on pressure differential for variable-speed pumps.

Variable-Speed Pump Flow Control (Temperature Difference)

Controlling flow based on temperature difference for variable-speed pumps.

Unit Start-Up Procedures

Preliminary Start-Up Checks

Essential checks before initiating the heat pump start-up process.

Actual Unit Start-Up Process

Step-by-step guide for the actual start-up of the heat pump unit.

Major System Components Overview

Compressors and Lubrication

Details on compressors, oil levels, and lubricant compatibility.

Refrigerant and Safety Features

Information on refrigerant type (R-410A) and safety switches.

30RQSY Units with Available Static Pressure

Pressure Drop Selection Criteria

How to select units based on available static pressure and ductwork pressure drop.

Partial Heat Reclaim with Desuperheaters (Option 49)

Heat Reclaim Installation and Operation

Instructions for installing and operating the heat reclaim with desuperheater option.

Brine Option (5B & 6B)

Standard Maintenance Procedures

Start-Up Checklist for Heat Pumps

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