Installation manualDaikin Altherma low temperature monobloc control box EnglishInstallation manualDaikin Altherma low temperature monobloc controlboxEKCB07CAV3

Daikin EKCB07CAV3 Installation Manual

EKCB07CAV3

general safety precautions

Installation site requirements of the control box

To install the outdoor unit

To connect the electrical wiring on the option box

To connect the alarm output

Overview: Configuration

To copy the system settings from the first to the second user interface

To copy the language set from the first to the second user interface

Quick wizard: Options

Quick wizard: Capacities (energy metering)

Domestic hot water control

Contact/helpdesk number

Domestic hot water control: advanced

Heat source settings

System settings

Menu structure: Overview user settings

Menu structure: Overview installer settings

Overview: Commissioning

To check the minimum flow rate

To perform a test run

10 Hand-over to the user

About locking and unlocking

Overview: Troubleshooting

Symptom: The compressor does NOT start (space heating or domestic water heating)

Symptom: The pressure relief valve opens

NOT working correctly

troubleshooting

Overview: Disposal

Service space: Outdoor unit

Piping diagram: Outdoor unit

technical data

ESP curve: Outdoor unit

about this document

outdoor unit

control box

Setting up an external temperature sensor

To connect the domestic hot water pump

box and control box

preparing electrical wiring

mounting the outdoor unit

connecting the electrical wiring

To close the outdoor unit

second user interface

Underfloor heating screed dryout

dimensions and service space

center of gravity

piping diagram

wiring diagram

technical specifications

operation range

Part 1. Introduction

Warnings

Cautions

Information

General operation of Daikin Altherma CA low temperature heat pump

Interactive information flow

Parts of the book

Part 2. Troubleshooting

How to reset error codes

Error code based troubleshooting

AC-00" – Booster heater thermal protector is open

AH-00" – Disinfection operation error

A1-00" – Zero cross detection problem

CJ-02" – User interface room temperature error

C0-02" – Flow switch error

EC-00" – Domestic hot water temperature error

E3-00" – High pressure abnormality (refrigerant)

E5-00" – Compressor motor lock

E7-00" – Malfunction of outdoor unit fan motor

E9-00" – Expansion valve abnormality

F6-00" – Abnormal high pressure in cooling

HC-00" – Domestic hot water temperature error

H1-00" – Optional temperature sensor error (indoor ambient)

H8-00" – Malfunction of compressor input (CT) system

JA-00 / JI-00" – Pressure sensor abnormality

J7-00" – Malfunction of intermediate heat exchanger thermistor

L1-00" – Outdoor main PCB abnormality

L4-00" – Radiation fin temperature abnormality

L8-00" – Electronic thermal overload

UA-16" – Communication warning between hydro PCB A1P and control box PCB

UA-22" – Communication warning between control box and option box

UF-00" – Communication error between hydro PCB A1P and outdoor main PCB or gas shortage

U3-00" – Abnormal stop of underfloor heating dry-out scheduled operation

U5-00" – Transmission error between user interface and hydro PCB A1P

H-04" – Water flow abnormality during DHW operation

H-05" – Water flow abnormality during space heating operation

H-00" – Backup heater outlet water temperature error

Plate heat exchanger freeze-up error

Plate heat exchanger warning during defrost

Capacity shortage - General

Capacity shortage - Space heating

Capacity shortage - Domestic hot water operation

The system does not start/operate

Inaccurate temperature control (for both domestic hot water and space heating operation)

Water leakage or water release via the water pressure relieve valve

Power consumption too high

Increased sound level - water pump

Tapping water related

Compressor related

Pump related

Outdoor unit is iced up (defrost problem)

Water volume/flow related

Component checklist - Water Circuit

Overall power circuit check

Resistance check

Booster heater E4H

Thermistors

Water pump M1P (Main Supply Pump)

Water pump M2P (DHW pump)

Plate type heat exchanger

Thermal protector backup heater Q1L

Water flow sensor B1L

Water flow switch S1L

way valve M3S

Extension PCB A4P

Component checklist - Refrigerant Circuit

Compressor M1C

Muffler

Pressure sensor S1NPH

High pressure switch S1PH

Electronic expansion valve Y1E

way valve Y1R

Inverter PCB2

Fan motor

Part 3. Repair

Refrigerant recovery

Refrigerant pump down

Pipe work procedures

Products

Unit specific repair procedures Monobloc CA

Removing the hydrobox front plate

Removing the top plate

Removing the front plate assembly

Removing the compressor sound insulation

Parts replacement procedures

Replacing the DC fan motor assembly

Replacing the switch box

Removing the switch box

Replacing the PCB1 main

Removing the PCB assembly main - 1

Removing the PCB assembly main - 2

Replacing the PCB2 inverter

Removing the PCB assembly inverter - 2

Replacing a thermistor

Replacing the compressor

Identification label: Outdoor unit

Possible options for the outdoor unit

setting up the power consumption control

connecting the water piping

To connect the electrical wiring on the control box

To connect the option box power supply

To connect the electrical meters

To connect the changeover to external heat source

To connect the backup heater kit to the control box

To connect the valve kit

Finishing the outdoor unit installation

To access the most used commands

Symptom: The compressor does NOT start

13 Disposal

Wiring diagram: Outdoor unit

power supply

Valve kit necessity

operation manual

Overview: Operation

Room thermostat control - Using the room temperature home

Schedules: Example

Installer settings: Tables to be filled in by installer

Contact/helpdesk number [6.3.2]