Table of Contents
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30RQ
For the operation of the control please refer to the
Pro-Dialog+ Control manual for the 30RB/30RQ 017-160 series
30RQ/30RQY 039-160
Reversible Air-to-Water Heat
Pumps
Nominal cooling capacity 40-150 kW
Nominal heating capacity 40-160 kW
50 Hz
Installation, operation and maintenance instructions
30RQY
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Table of Contents
Related Manuals for Carrier 30RQ 160 Series
Summarization of Contents
1 - Introduction
1.1 - Specific aspects for 30RQSY units with variable available pressure
Details specific aspects for 30RQSY units with variable available pressure.
1.2 - Check equipment received
Instructions for verifying unit receipt and checking for damage or missing parts.
1.3 - Installation safety considerations
Important safety precautions for the installation of the unit.
2 - Moving and Siting the Unit
2.1 - Moving
Instructions related to moving the unit, referencing safety considerations.
2.2 - Siting the unit
Recommendations for selecting an appropriate installation location for the unit.
2.3 - Checks before system start-up
Critical checks to perform before initiating system start-up.
3 - Installation Specifics for 30RQSY Units
3.1 General
General installation guidelines for 30RQSY units and their fan control.
3.2 - Duct connection
Details on connecting ductwork to the air heat exchangers.
3.2.1 - Standard unit suction connection
Describes the suction duct connection for 30RQSY 039 to 078 units.
3.2.2 - Fan discharge connection
Explains the fan discharge connection and flange options.
3.3 - Electrical protection of the fan motors
Details on electrical protection for fan motors and their controllers.
3.4 - Air heat exchanger suction filter kit (option 23b)
Information on the installation and maintenance of the suction filter kit.
3.5 - Applicable rules for units incorporated into an air duct network
Rules regarding air duct network integration to avoid obstructions.
3.6 - Installation of the accessory condensate collection pan
Instructions for installing an accessory condensate collection pan.
4 - Dimensions, Clearances
4.1 - 30RQS 039 and 045-078, units with and without hydronic module
Dimensions and clearances for 30RQS 039-078 units.
4.2 - 30RQS 080-160, units with and without hydronic module
Dimensions and clearances for 30RQS 080-160 units.
4.3 - 30RQSY 039-045, units with and without hydronic module, without filter frame
Dimensions and clearances for 30RQSY 039-045 without filter frame.
4.4 - 30RQSY 039-045, option 23B, units with and without hydronic module, with filter frame
Dimensions and clearances for 30RQSY 039-045 with filter frame.
4.5 - 30RQSY 050-078, units with and without hydronic module, without filter frame
Dimensions and clearances for 30RQSY 050-078 without filter frame.
4.6 - 30RQSY 050-078 option 23B, units with and without hydronic module, with filter frame
Dimensions and clearances for 30RQSY 050-078 with filter frame.
4.7 - 30RQSY 080-120 units with and without hydronic module
Dimensions and clearances for 30RQSY 080-120 units.
4.8 - 30RQSY 140-160 units with and without hydronic module
Dimensions and clearances for 30RQSY 140-160 units.
4.9 - 30QBS/RQSY 039-080 units with desuperheater
Shows position of desuperheater inlets and outlets for specific units.
4.10 - 30RQS/RQSY 090-120 units with desuperheater
Shows position of desuperheater inlets and outlets for specific units.
4.11 - 30RQS/RQSY 140-160 units with desuperheater
Shows position of desuperheater inlets and outlets for specific units.
9 - Electrical Data, 30RQS and 30RQSY Units
9.1 - Short-circuit stability current (TN system*) - standard unit (with main disconnect without fuse)
Short-circuit stability current data for standard units.
9.2 - Electrical data, hydronic module
Electrical data pertaining to the hydronic module's pumps.
10 - Application Data
10.1 - Operating range, standard units - cooling mode
Operating ranges for standard units in cooling mode.
10.2 - Operating range, standard units - heating mode
Operating ranges for standard units in heating mode.
10.3 - Water heat exchanger water flow rate
Information on water flow rates for heat exchangers.
10.4 - Minimum water flow rate
Minimum water flow rate requirements to prevent fouling.
10.5 - Maximum water heat exchanger water flow rate
Maximum water flow rate for heat exchangers, considering pressure drop.
10.6 - Water loop volume
Guidance on water loop volume calculations and requirements.
11 - Electrical Connection
11.1 Control box
Information regarding the unit's control box.
11.2 - Power supply
Guidelines for the unit's power supply connection.
11.3 - Voltage phase imbalance (%)
How to check and acceptable limits for voltage phase imbalance.
11.4 - Recommended wire sections
Recommendations for selecting appropriate wire sections for electrical connections.
11.5 - Field control wiring
Important precautions for field control wiring connections.
11.6 - Power supply
Notes on maintaining power supply for specific unit functions.
12 - Water Connections
12.1 - Operating precautions and recommendations
Precautions and recommendations for operating the water circuit.
12.2 - Hydronic connections
Details regarding hydronic circuit connections and air evacuation.
12.3 - Frost protection
Measures and requirements for frost protection of the unit's components.
12.4 - Protection against cavitation (option 116)
Information on anti-cavitation protection for pumps in hydronic modules.
13 - Nominal System Water Flow Control
13.1 - Units without hydronic module
Flow control for units lacking a hydronic module.
13.2 - Units with hydronic module and fixed-speed pump
Flow control for units with hydronic module and fixed-speed pumps.
13.3 - Units with hydronic module and variable-speed pump - pressure differential control
Flow control for variable-speed pumps based on pressure differential.
13.4 - Units with hydronic module and variable-speed pump - temperature difference control
Flow control for variable-speed pumps based on temperature difference.
13.5 - Plate heat exchanger pressure drop (including internal piping) - units without hydronic module
Pressure drop curves for plate heat exchangers without hydronic modules.
13.6 - Pump pressure/flow rate curve – units with hydronic module (fixed-speed or variable-speed pump, 50 Hz)
Pump pressure/flow rate curves for units with hydronic modules.
13.7 - Available external static pressure - units with hydronic module (fixed-speed or variable-speed pump, 50 Hz)
Curves showing available external static pressure for units with hydronic modules.
14 - Start-Up
14.1 - Preliminary checks
Essential pre-start checks before commissioning the unit.
14.2 - Actual start-up
Important considerations and steps for the actual unit start-up.
14.3 - Operation of two units in master/slave mode
How to configure and operate units in a master/slave setup.
14.4 - Supplementary electric resistance heaters
Information on installing and controlling supplementary electric heaters.
15 - Major System Components
15.1 - Compressors
Details on the hermetic scroll compressors used in the units.
15.2 - Lubricant
Information about the lubricant used in the compressors.
15.3 - Air evaporator/condenser
Description of the air evaporator/condenser heat exchangers.
15.4 - Fans
Details about the axial fans used in the units.
15.5 - Electronic expansion valve (EXV)
Information on the electronic expansion valve and its control.
15.6 - Moisture indicator
Function and location of the moisture indicator.
15.7 - Filter drier
Details on the filter drier's role and operation.
15.8 - Water evaporator/condenser
Description of the water evaporator/condenser.
15.9 - Refrigerant
Identifies the refrigerant used in the units.
15.10 - High-pressure safety switch
Information on the high-pressure safety switches.
15.11 - Storage tank
Details on the unit's storage tanks.
15.12 - Four-way valve
Function of the four-way valve for cycle reversal.
15.13 Control box
Description of the unit's control box and its features.
18 - Partial Heat Reclaim Using Desuper-Heaters (Option 49)
18.1 - Physical data, 30RQS/30RQSY units with partial heat reclaim using desuperheaters (option 49)
Physical data for units with the desuperheater option.
18.2 - Installation and operation of the heat reclaim with desuperheater option
Installation and operation of the heat reclaim with desuperheater option.
18.3 - Installation
Installation guidelines for desuperheater connections.
18.4 - Control configuration with the desuperheater option
Control configuration options for the desuperheater.
18.5 - Operating limits
Operating limits for the desuperheater function.
19 - Brine Option (Option 5B & Option 6B)
19.1 - Frost protection
Frost protection measures for brine operation.
20 - Standard Maintenance
20.1 - Level 1 maintenance
Simple maintenance procedures that can be performed by the user.
20.2 - Level 2 maintenance
Maintenance requiring specific technical skills in electrical, hydronic, and mechanical fields.
20.3 - Level 3 (or higher) maintenance
Advanced maintenance requiring manufacturer or authorised agent expertise.
20.4 - Tightening torques for the main electrical connections
Recommended tightening torques for electrical connections.
20.5 - Tightening torques for the main bolts and screws
Recommended tightening torques for various bolts and screws.
20.6 - Air heat exchanger
Recommendations for cleaning and maintaining air heat exchangers.
20.7 - Water heat exchanger maintenance
Maintenance guidelines for water heat exchangers.
20.8 - Refrigerant volume
Procedures for checking and verifying refrigerant volume.
20.9 - Characteristics of R-410A
Technical characteristics of R-410A refrigerant.
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