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CLIMAVENETA AWR MTD User Manual

CLIMAVENETA AWR MTD
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INSTALLATION - OPERATING - SERVICE MANUAL
Reverse-cycle air/water heat pumps with
domestic hot water production, axial-flow
fans and water pump assembly.
GB
AWR MTD
AWR MTD/B
0011÷0061

Questions and Answers:

CLIMAVENETA AWR MTD Specifications

General IconGeneral
BrandCLIMAVENETA
ModelAWR MTD
CategoryHeat Pump
LanguageEnglish

Summary

General Warnings

Waiver of Liability

Manufacturer's disclaimer regarding liability for improper use or manual content.

Fundamental Safety Rules

Essential safety rules for operating equipment involving electricity and water.

Receiving and Handling the Product

Dimensions AWR

Table detailing dimensions and weight distribution for AWR models.

Description of Standard Unit

Versions Available

Details on AWR MTD and AWR MTD/B model variations.

Dimensional Drawings

Installation

Guidelines for selecting location, positioning, and clearances.

Water Connections

Utility Water Circuit Connection Diagram

Diagram illustrating factory and installer water circuit connections.

Condensate Drain

Dimensions

Table detailing dimensions A, B, C, D for condensate drain.

Filling the System

Emptying the System

Procedure for safely emptying the water system.

Water Circuit Data

Data on water content, glycol solutions, and fouling factors.

Pump Characteristics

Heat Exchanger Pressure Drop: System

Graph illustrating pressure drop across the system for models.

DHW Storage Cylinder, 280 Litres

Operating Diagrams, AWR MTD

Example Water Circuit Diagram

Diagrams showing heat pump connection for heating and DHW.

Electrical Connections

Electrical Data at Maximum Conditions Allowed

Table of electrical data, including power, current, and fuse ratings.

Mains Power Supply Connections

Electrical Panel Layout AWR 0011 MTD-MTD/B Single-Phase

Diagram showing the electrical panel layout for single-phase models.

Electrical Panel Layout AWR 0025-0041 MTD-MTD/B Single-Phase

Electrical Panel Layout AWR MTD-MTD/B Three Phase

Diagram of the electrical panel layout for three-phase models.

Installer Connections

Domestic Hot Water 3-Way Valve (YV2)

Wiring and connection details for the 3-way valve for DHW production.

Domestic Hot Water Storage Temperature Sensor (BT4)

Connection details for the DHW storage temperature sensor.

Auxiliary Heating Element (KM4)

Wiring instructions for connecting an auxiliary heating element.

Terminal Block AWR 0011 MTD-MTD/B Single-Phase

Terminal Block AWR 0025-0041 MTD-MTD/B Single-Phase

Diagram of the terminal block for single-phase models.

Terminal Block AWR 0031-0061 MTD-MTD/B Three-Phase

Diagram of the terminal block for three-phase models.

Single-Phase Wiring Diagram AWR 0011 MTD

Single-Phase Wiring Diagram AWR 0011 MTD/B (without built-in electric heaters)

Single-Phase Wiring Diagram AWR 0025 - 0041 MTD

Single-Phase Wiring Diagram AWR 0025 - 0041 MTD/B (without built-in electric heaters)

Three-Phase Wiring Diagram AWR 0031 - 0061 MTD

Three-Phase Wiring Diagram AWR 0031 - 0061 MTD/B (without built-in electric heaters)

Operating Characteristics

Temperature Control

Control based on system water return temperature and set points.

Frost Alarm

Prevents water freezing by shutting down compressor.

Domestic Hot Water Frost Protection

Protects DHW function from freezing.

Water Flow Alarm

Detects insufficient water flow, shuts down compressor.

3-Way Valve Management for Domestic Hot Water (YV2)

System Diagram

Diagram showing the system configuration for DHW production.

Additional Heater (Outside the Unit) (KM4)

Additional DHW Storage Heater

Configuration for additional DHW storage heater.

Boiler Replacing the Heat Pump

Manages a boiler instead of heat pump for high temp.

Heat Pump Heaters (AWR MTD Models Only)

Power ratings of electric heaters for AWR MTD models.

Heaters as Replacement Source (Factory Configuration)

Electric Heater Management

Diagram showing electric heater stage management.

Anti-Legionella Function

Function to eliminate Legionella bacteria by heating domestic water.

System Water Set Point Compensation Based on the Outside Temperature

System Water Set Point Compensation in Cooling Mode

How cooling set points are adjusted based on outside temperature.

System Water Set Point Compensation in Heating Mode

How heating set points are adjusted based on outside temperature.

Time Bands

Programming Example

Example of defining time bands and associating profiles with days.

General Technical Data

Operating Limits

Checking and Starting Up the Unit

Preparing for First Start Up

Safety checks and preparations before the initial unit start-up.

Starting Up for the First Time (after two hours)

Procedure for the initial start-up of the unit.

Activating and Deactivating the Unit

Steps for turning the unit on and off.

HSW11 Functions

Description of the Buttons and Associated Functions

Detailed functions of each button on the HSW11 controller.

Description of the Buttons - Combined Action

Functions resulting from combined button presses.

LEDs and Display

1 Status and Operating Mode LEDs

Meaning of the status and operating mode indicator LEDs.

2 Value and Unit of Measure LEDs

Meaning of the value and unit of measure indicator LEDs.

3 Utility LEDs

Meaning of the utility function indicator LEDs.

Setting the Clock

Selecting the Operating Mode

Setting the Set Points

Displaying Installer Parameters

Displaying Authorised Technician Parameters

Displaying and Resetting Compressor/Pump Hours

Muting and Manually Resetting the Alarms

Displaying Alarms

Reset Alarm Log

List of Accessible Parameters

Displaying Alarms

Table of common faults, causes, and solutions.

Shutting Down for Long Periods

Routine Maintenance

Special Maintenance

Specific maintenance procedures like chemical washing.

Refrigerant Gas Content

Procedures for checking and recharging refrigerant gas.

Disposal

Guidelines for proper unit disposal.

Troubleshooting

Useful Information

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