Related Manuals for Carrier AquaSnap 61AF 105
Summarization of Contents
1 - INTRODUCTION
1.1 Check equipment received
Inspect unit for damage, verify order, check nameplate data.
1.2 Installation safety considerations
Unit must be installed in a safe, inaccessible location, follow lifting instructions.
Classification and control
Protection devices classified according to Pressure Equipment Directive and national regulations.
1.3 Equipment and components under pressure
Units contain pressurized components; consult national trade association for characteristics.
1.4 Maintenance safety considerations
Follow safety guidelines for maintenance, use PPE, ensure qualified personnel.
1.5 Repair safety considerations
Perform repairs with qualified personnel, follow safety standards, avoid hazards.
2 - PRELIMINARY CHECKS
2.1 Check equipment received
Verify unit condition, check nameplate data against order, confirm accessory completeness.
2.2 Moving and siting the unit
Follow installation safety considerations for moving and siting the unit.
2.3 Checks before system start-up
Verify installation against drawings, national regulations, and standard EN 378.
2.4 Lifting labels
Details on lifting points and labels for safe unit handling and movement.
3 - DIMENSIONS, CLEARANCES
3.1 61AF 022-035, units with and without hydraulic module
Diagrams and dimensions for 61AF 022-035 units, including clearances.
3.2 61AF 045-055, units with and without hydraulic module
Diagrams and dimensions for 61AF 045-055 units, including clearances.
3.3 61AF 075-105, units with and without hydraulic module
Diagrams and dimensions for 61AF 075-105 units, including clearances.
3.4 61AF 035 option 11, units with and without hydraulic module
Diagrams and dimensions for 61AF 035 units with option 11.
3.5 61AF 045-055 option 11, units with and without hydraulic module
Diagrams and dimensions for 61AF 045-055 units with option 11.
3.6 61AF 075-105 option 11, units with and without hydraulic module
Diagrams and dimensions for 61AF 075-105 units with option 11.
3.7 Multiple-unit installation
Guidelines for installing multiple units, including side clearances.
5 - ELECTRICAL DATA
5.1 Compressor usage and electrical data for standard units
Detailed electrical data for compressors used in standard 61AF units.
5.2 Short-circuit stability current (TN system(1)) - standard unit (with main disconnect without fuse)
Short-circuit stability current values for standard units with TN system.
Electrical data and operating conditions notes
Notes on operating conditions, power supply, and field connections for 61AF units.
6 - APPLICATION DATA
6.1 Unit operating range
Specifies operating ranges for condenser and evaporator based on temperatures.
6.2 Plate heat exchanger water flow
Maximum water flow rates for plate heat exchangers with and without hydraulic modules.
6.3 Minimum water flow rate
Graphs showing minimum water flow rate to prevent freezing and fouling.
6.4 Maximum plate heat exchanger water flow rate
Maximum water flow rate limited by pressure drop and AT.
6.5 Water loop volume
Guidelines for minimum water loop volume and expansion tank volume.
6.6 Plate heat exchanger pressure drop curves
Curves showing pressure drop versus water flow rate for various models.
7 - ELECTRICAL CONNECTION
7.1 Power supply
Requirements for power supply, voltage range, and connection procedures.
7.2 Voltage phase imbalance (%)
How to check and calculate voltage phase imbalance.
7.3 Recommended wire sections
Guidelines for selecting wire sections for power connections.
7.4 Field control wiring
Safety precautions and references for field control wiring.
7.6 24 V user power reserve
Information on the 24V power reserve for control circuits.
8 - WATER CONNECTIONS
8.1 Operating precautions and recommendations
Precautions for water circuit design, fluid compatibility, and maintenance.
8.2 Hydraulic connections
Diagram showing typical hydraulic installation and charging procedure.
8.3 Frost protection
Details on frost protection for heat exchangers and piping.
8.4 Protection against cavitation (option 116)
Measures to prevent pump cavitation in hydraulic modules.
Typical hydraulic circuit diagram
Diagram of a typical hydraulic circuit with component legends.
Hydraulic module - 61AF
Detailed diagrams of hydraulic modules for different 61AF models.
9 - NOMINAL SYSTEM WATER FLOW CONTROL
9.1 General
Overview of water circulation pumps, flow control methods, and system adjustment.
9.2 Water flow control procedure (fixed speed)
Procedure for cleaning hydraulic circuit and setting fixed speed flow control.
9.3 Water flow control procedure (variable speed)
Procedure for controlling flow using variable speed pumps.
9.4 Available system pressure for units with hydraulic module
Curves showing available system pressure for units with hydraulic modules.
10 - START-UP
10.1 Preliminary checks
Pre-start checks including water circulation, leaks, and electrical connections.
10.2 Actual start-up
Guidelines for commissioning and start-up supervised by a refrigeration engineer.
10.3 Operation of two units in master/slave mode
Configuration and operation of master/slave assemblies for two units.
10.4 Supplementary electric resistance heaters
Installation and control of supplementary heaters for capacity compensation.
11 - MAJOR SYSTEM COMPONENTS
11.1 Compressors
Details on hermetic scroll compressors, oil heaters, and safety switches.
11.2 Lubricant
Information on compressor oil, level checks, and compatibility.
11.3 Air evaporators
Description of air evaporators with grooved copper tubes and aluminum fins.
11.4 Fans
Details on Axial Flying Bird fans, motors, and efficiency.
11.5 Electronic expansion valve (EXV) of the main circuit
Description of the EXV for the main circuit.
11.6 Electronic expansion valve (EXV) of the economised circuit
Description of the EXV for the economised circuit.
11.7 Four-way valve
Function of the four-way valve for refrigerant cycle reversal.
11.8 Moisture indicator
Location and function of the moisture indicator.
11.9 Filter drier
Description of the brazed filter drier and its function.
11.10 Condenser
Details on the plate heat exchanger condenser and its connections.
11.11 Economiser
Description of the plate-type economiser.
11.12 Refrigerant
Information on R-407C refrigerant, leak detection, and charging.
11.13 High-pressure safety switch
Details on high-pressure safety switches and monitoring during operation.
13 - UNITS WITH FANS WITH AVAILABLE PRESSURE FOR INDOOR INSTALLATION (OPTION 11)
13.1 Fan discharge connection
Details on fan discharge connection for indoor installation.
13.2 Applicable rules for units incorporated into an air duct system
Rules for units installed in air duct systems, ensuring no obstruction.
13.3 Electrical data for 61AF units with option 11
Electrical data specific to 61AF units with option 11.
14 - HEATING SYSTEM MANAGER (HSM)
HSM control box
Description and image of the HSM control box.
HSM control box dimensions
Dimensions of the HSM control box.
14.1 Accessory 00PPG000488000- Heating System Manager type A
Details for Type A HSM, controlling one heat emitter and auxiliary heater/boiler.
14.2 Accessory 00PPG000488100- Heating System Manager type B
Details for Type B HSM, controlling two heat emitters and domestic hot water.
14.3 Accessory 00PPG000488200- Heating System Manager type C
Details for Type C HSM, controlling two emitters, DHW, and district heating support.
15 - STANDARD MAINTENANCE
15.1 Level 1 maintenance
Simple weekly checks by the user, including visual inspection and basic checks.
15.2 Level 2 maintenance
Monthly/annual maintenance requiring specific skills, including electrical and mechanical checks.
15.3 Level 3 (or higher) maintenance
Advanced maintenance requiring manufacturer or authorized agent.
15.4 Tightening torques for the main electrical screw connections
Torque specifications for electrical screw connections.
15.5 Tightening torques for the main bolts and screws
Torque specifications for main bolts and screws.
15.6 Evaporator coil
Recommendations for inspecting and cleaning evaporator coils.
15.7 Condenser maintenance
Checks for condenser maintenance, including insulation and connections.
15.8 Characteristics of R-407C
Table of saturated pressure and temperature data for R-407C refrigerant.
16 - START-UP CHECKLIST FOR 61AF HEAT PUMPS (USE FOR JOB FILE)
Preliminary information
Fields for job name, location, contractor, distributor, and date.
Equipment
Fields for model and serial number of the unit.
Compressors
Fields for compressor model and serial numbers.
Air handling equipment
Fields for manufacturer, model, and serial number of air handling equipment.
Preliminary equipment check
Checklist for shipping damage, unit leveling, wiring, and connections.
Check air handling systems
Checklist for air handler operation and water valve status.
Unit start-up
Checklist for hot-water pump control, oil level, crankcase heaters, and leak checks.
Check voltage imbalance
Steps to check voltage imbalance and warning for deviations.
Check condenser water loop
Checklist for water loop volume, inhibitor, freeze protection, and filter.
Check pressure drop across the unit condenser
Procedure to check condenser pressure drop and determine flow rate.
Carry out the QUICK TEST function
Steps for performing the QUICK TEST function on the unit.
Check and log on to the user menu configuration
Steps to check and log on to the user menu configuration.
To start up the heat pump
Final step to start the heat pump after all checks are completed.
Temperatures and pressures
Recording of stabilized temperatures and pressures after operation.
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