Carrier 30RQS080 User Manual

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

Carrier 30RQS080 Specifications

General

Brand	Carrier
Model	30RQS080
Category	Heat Pump
Language	English

Summary

1 Introduction and Safety Considerations

1.3 Installation Safety Considerations

Essential safety precautions for unit installation to prevent injury.

1.4 Equipment and Components Under Pressure

Information on unit components operating under pressure and compliance.

1.5 Maintenance Safety Considerations

Safety guidelines for performing maintenance tasks on the unit.

1.6 Repair Safety Considerations

Safety protocols and best practices for repairing the unit and its components.

2 Moving and Siting the Unit

2.3 Checks Before System Start-Up

Final checks before initiating the unit's operation.

3 Installation Specifics for 30RQSY Units

3.3 Electrical Protection of Fan Motors

9 Electrical Data, 30RQS and 30RQSY Units

9.1 Short-Circuit Stability Current (TN System*)

Information on short-circuit current handling and protection.

9.3 Compressor Usage and Electrical Data for Standard Units

Details on compressor operation and electrical parameters.

10 Application Data

10.1 Operating Range, Standard Units - Cooling Mode

Defined operating limits for cooling mode.

10.2 Operating Range, Standard Units - Heating Mode

Defined operating limits for heating mode.

11 Electrical Connection

11.2 Power Supply

Requirements for the unit's power supply connection.

11.3 Voltage Phase Imbalance (%)

Guidance on acceptable voltage phase imbalance.

11.4 Recommended Wire Sections

11.5 Field Control Wiring

11.6 Power Supply

Considerations for maintaining power supply during maintenance.

12 Water Connections

12.1 Operating Precautions and Recommendations

12.3 Frost Protection

13 Nominal System Water Flow Control

13.3 Units with Hydronic Module and Variable-Speed Pump - Pressure Differential Control

Flow control using pressure differential for variable-speed pumps.

13.4 Units with Hydronic Module and Variable-Speed Pump - Temperature Difference Control

Flow control using temperature difference for variable-speed pumps.

14 Start-Up

14.1 Preliminary Checks

Essential checks to perform before unit start-up.

14.2 Actual Start-Up

Step-by-step guide for the unit's initial start-up process.

15 Major System Components

15.1 Compressors

Details on the hermetic scroll compressors used in the units.

15.2 Lubricant

15.9 Refrigerant

Information on the R-410A refrigerant used in the units.

15.10 High-Pressure Safety Switch

18 Partial Heat Reclaim Using Desuper-Heaters (Option 49)

18.2 Installation and Operation of the Heat Reclaim with Desuperheater Option

Procedures for installing and operating the heat reclaim option.

18.3 Installation

Specific installation requirements for the desuperheater option.

18.4 Control Configuration with the Desuperheater Option

How to configure the unit for the desuperheater option.

18.5 Operating Limits

19 Brine Option (Option 5B & Option 6B)

19.1 Frost Protection

Crucial frost protection measures for brine operation.

20 Standard Maintenance

20.1 Level 1 Maintenance

Basic weekly checks and visual inspections.

20.2 Level 2 Maintenance

20.3 Level 3 (or higher) Maintenance

Advanced maintenance requiring expert intervention.

20.8 Refrigerant Volume

21 Start-Up Checklist for 30RQS/30RQSY Heat Pumps (Use for Job File)