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Alpha-InnoTec LWD 70A User Manual

Alpha-InnoTec LWD 70A
48 pages
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UK
Operating Manual
LWD 50A • LWD 70A • LWD 90A
LWD 50A/RX • LWD 70A/RX
Air/Water Heat Pumps
Dual / Outdoor Installation
83053500kUK – Translation into English of the original German operating manual

Table of Contents

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Alpha-InnoTec LWD 70A Specifications

General IconGeneral
BrandAlpha-InnoTec
ModelLWD 70A
CategoryHeat Pump
LanguageEnglish

Summary

Please Read First

Symbols and Their Meanings

Operator and Safety Symbol Explanations

Explains symbols for operators, technicians, and hazard warnings.

Intended Use of the Heat Pump

Disclaimer and EC Conformity

Safety Guidelines

General Safety and Electrical Precautions

Covers safety for qualified personnel, electrical connections, and general warnings.

Refrigerant, Operation, and Environmental Safety

Addresses refrigerant hazards, unit operation safety, and environmental concerns.

Customer Service, Warranty, and Disposal

Operating Principle of Heat Pumps

Operation and Care

Maintenance of the Unit

Condensate Drain Maintenance

Advises regular checks of the condensate drain for blockages.

Icing and Maintenance Recommendations

Scope of Delivery

Included Components and Accessories

Lists included components and accessories.

Malfunctions and Accessories

Using Original Accessories

Recommends using manufacturer-approved accessories.

Installation and Assembly

Installation Location, Transport, and Safety

Covers unit placement, spacing, transport, and general safety.

SOUND

Sound Pressure Level Data

Provides sound pressure levels for different models and distances.

SOUND Level Adjustments and Directivity Factors

Sound Level Adjustments and Directivity Factors

Explains sound level increases for multiple units and directivity factors.

INSTALLATION

Wall Penetration, Brackets, and Floor Mounting

Covers wall penetration, wall brackets, and floor bracket installation.

Condensate Drain Installation

Specifies requirements for condensate pipe installation.

Connection to the Heating Circuit

Heating Circuit Flushing and Connection Procedures

Covers flushing the heating circuit and connecting pipes.

Pipe Dimensioning and Sealing Requirements

Emphasizes correct pipe dimensions and sealing for connections.

Electrical Connections

Electrical Safety, Compliance, and Compressor Operation

Highlights electrical safety, compliance, compressor rotation, and power supply.

Hydraulic System Components and Domestic Water Heating

Pressure Relief, Overflow Valves, Buffer Tanks, and Pumps

Covers pressure relief, overflow valves, buffer tanks, and circulating pumps.

Domestic Water Heating and Hot Water Tank Integration

Discusses domestic water heating and hot water tank sizing.

System Filling and Water Quality

VDI 2035 Water Quality and Corrosion Prevention

Explains VDI 2035 standards for preventing scale, corrosion, and pH control.

Hydraulic Connections and Monitoring

Hydraulic Pipe Insulation and Water Quality Monitoring

Specifies insulation for pipes and emphasizes water quality monitoring.

Commissioning Procedures

Pre-Start Checks and Reporting

Outlines installation checks, electrical verification, and completion reporting.

Dismantling Safety

Electrical Hazards and Refrigerant Safety

Warns about electrical shock and refrigerant leaks during dismantling.

Withdrawal from Service and Disposal

Refrigerant Recovery and Marking Requirements

Covers refrigerant recovery, cylinder handling, and unit marking.

Technical Data and Scope of Delivery

Heat Pump Types, Performance, and Application Limits

Lists heat pump types, performance data, and operational limits.

Sound, Unit Specifications, and Electrical Data

Covers sound levels, unit data, dimensions, connections, and electrical specs.

Components and Safety Equipment

Lists unit components, safety features, and controller information.

Technical Data Details

Performance, Application Limits, and Sound Data

Provides performance, application limits, and sound level data.

General Unit, Electrical, and Component Specifications

Lists unit data, electrical specs, and component details.

LWD 50A Heating Mode Performance Curves

Heating Capacity and Pressure Loss

Shows heating capacity (Qh) and pressure loss (Δp) vs. flow.

COP and Power Consumption

Displays Coefficient of Performance (COP) and Power Consumption (Pe) vs. temperature.

LWD 70A Heating Mode Performance Curves

Heating Capacity and Pressure Loss

Shows heating capacity (Qh) and pressure loss (Δp) vs. flow.

COP and Power Consumption

Displays Coefficient of Performance (COP) and Power Consumption (Pe) vs. temperature.

LWD 90A Heating Mode Performance Curves

Heating Capacity and Pressure Loss

Shows heating capacity (Qh) and pressure loss (Δp) vs. flow.

COP and Power Consumption

Displays Coefficient of Performance (COP) and Power Consumption (Pe) vs. temperature.

LWD 50A/RX Heating Mode Performance Curves

Heating Capacity and Pressure Loss

Shows heating capacity (Qh) and pressure loss (Δp) vs. flow.

COP and Power Consumption

Displays Coefficient of Performance (COP) and Power Consumption (Pe) vs. temperature.

LWD 50A/RX Cooling Mode Performance Curves

Cooling Capacity and Power Consumption

Shows cooling capacity (Q0) and power consumption (Pe) vs. temperature.

EER Performance

Displays Energy Efficiency Ratio (EER) vs. heat sink temperature.

LWD 70A/RX Heating Mode Performance Curves

Heating Capacity and Pressure Loss

Shows heating capacity (Qh) and pressure loss (Δp) vs. flow.

COP and Power Consumption

Displays Coefficient of Performance (COP) and Power Consumption (Pe) vs. temperature.

LWD 70A/RX Cooling Mode Performance Curves

Cooling Capacity and Power Consumption

Shows cooling capacity (Q0) and power consumption (Pe) vs. temperature.

EER Performance

Displays Energy Efficiency Ratio (EER) vs. heat sink temperature.

Dimensional Drawings

Unit Dimensions and Connection Points

Provides overall unit dimensions and connection port details.

Installation Protection Areas

Safe Distances and Protection Zones

Illustrates required safe distances and protection areas around the unit.

Wall Bracket Installation Plan (V1)

Drilling Pattern for Wall Mounting (V1)

Shows drilling layout for wall bracket installation variant V1.

Floor Bracket Installation Plan (V2)

Hydraulic Connection Pipe Installation (V2)

Details floor bracket installation and hydraulic connections for variant V2.

Floor Bracket Installation Plan (V3)

Foundation Plan for Wall Feedthrough (V3)

Shows foundation requirements and wall feedthrough for variant V3.

Floor Bracket Installation Plan (V4)

Foundation Plan for Hydraulic Connection Pipe (V4)

Details foundation plan and hydraulic connections for variant V4.

Drilling Pattern for Wall Bracket (BB1)

Wall Feedthrough Drilling Pattern (BB1)

Provides drilling pattern for wall bracket, variant BB1.

Drilling Pattern for Wall Bracket (BB2)

Hydraulic Connection Pipe Drilling Pattern (BB2)

Provides drilling pattern for wall bracket, variant BB2.

View of Foundation V3

Foundation Plan and Wall Feedthrough Details

Shows foundation view, wall feedthrough, and fixing points for V3.

View of Foundation V4

Foundation Plan and Hydraulic Connection Pipe Details

Shows foundation view, hydraulic connections, and conduit details for V4.

Minimum Clearances

Functionally Necessary Spacing Requirements

Illustrates required functional spacing around the unit.

Outside Connection of Condensate Pipe

Condensate Pipe Discharge Options

Details connecting condensate pipes to ground or wastewater systems.

Inside Connection of Condensate Pipe

Internal Condensate Pipe Connection Procedure

Explains internal condensate pipe connection with syphon.

Circuit Diagram 1/2

Electrical Components and Power Supply Diagram

Shows electrical diagram for power supply, compressor, and fan.

Circuit Diagram 2/2

Control Circuits and Sensor Connections

Details control board, sensors, and valve connections.

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