IntesisBox KNX Series, IBKNXHIS064O000, IBKNXHIS016O000 User Manual

IntesisBox

®

KNX

Hitachi VRF Air Conditioning

User Manual

Issu Date: 01/2019

r1.1 EN

IntesisBox® KNX – HITACHI VRF User Manual r1.1 EN

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© Intesis Software S.L.U. 2019 All Rights Reserved.

Information in this document is subject to change without notice. The software described in this document is furnished
under a license agreement or nondisclosure agreement. The software may be used only in accordance with the terms
of those agreements. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any
form or any means electronic or mechanical, including photocopying and recording for any purpose other than the
purchaser’s personal use without the written permission of Intesis Software S.L.U.

Intesis Software S.L.U.
Milà i Fontanals, 1 bis
08700 Igualada
Spain

TRADEMARKS
All trademarks and tradenames used in this document are acknowledged to be the copyright of their respective holders.

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Gateway for the integration of Hitachi VRF systems into KNX home
automation systems.

Order code:

IBKNXHIS016O000, 16 indoor units
IBKNXHIS064O000, 64 indoor units

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INDEX

1 Description ............................................................................................................................................................ 5

Introduction .................................................................................................................................................... 5

1.1 Functionality...................................................................................................................................................... 6

Capacity of IntesisBox ................................................................................................................................... 7

2 KNX System .......................................................................................................................................................... 8

Description..................................................................................................................................................... 8

Points definition ............................................................................................................................................. 8

3 Connections .......................................................................................................................................................... 9

Power device ............................................................................................................................................... 10

Connect to Hitachi installation ..................................................................................................................... 10

Connection to KNX ...................................................................................................................................... 10

Connection to the configuration tool ............................................................................................................ 10

4 Set-up process and troubleshooting ................................................................................................................... 11

Pre-requisites .............................................................................................................................................. 11

IntesisBox MAPS. Configuration & monitoring tool for IntesisBox KNX series ........................................... 11

4.2.1 Introduction .......................................................................................................................................... 11

4.2.2 Connection ........................................................................................................................................... 11

4.2.3 Configuration tab ................................................................................................................................. 12

4.2.4 KNX configuration ................................................................................................................................ 12

4.2.5 Hitachi configuration ............................................................................................................................ 15

4.2.6 Signals ................................................................................................................................................. 17

4.2.7 Sending the configuration to IntesisBox .............................................................................................. 18

4.2.8 Diagnostic ............................................................................................................................................ 18

4.2.9 Set-up procedure ................................................................................................................................. 20

5 Electrical & Mechanical Features ........................................................................................................................ 21

6 Dimensions ......................................................................................................................................................... 22

7 AC Unit Types compatibility ................................................................................................................................ 23

8 Error codes for Indoor and Outdoor Units ........................................................................................................... 24

9 Appendix A – Communication Objects Table ..................................................................................................... 27

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1 Description

Introduction

This document describes the integration of Hitachi VRF air conditioning systems into KNX home automation systems
using gateway IntesisBox KNX – Hitachi VRF.

The aim of this integration is to monitor and control your Hitachi air conditioning system, from your KNX TP-1 installation.
To do it so, IntesisBox performs as a one more KNX device, sending and receiving telegrams to group addresses in the
KNX network.

IntesisBox makes available the Hitachi air conditioning system indoor units’ datapoints through independent KNX
objects.

Up to 64 indoor units supported, depending on product version.
This document assumes that the user is familiar with KNX and Hitachi technologies and their technical terms.

Integration of Hitachi VRF systems into

KNX control systems

USB

configuration

Ethernet TCP

Ethernet

configuration

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1.1 Functionality

IntesisBox® continuously monitors Hitachi VRF network for all configured signals and keeps the updated status of all of
them in its memory. It triggers updates on configured group addresses to KNX network on value change.

Commands toward the indoor unit communication adaptor are permitted.
Each indoor unit is offered as a set of KNX objects.

Element

Object supported

Outdoor Unit

• Communication
status

• Status

Indoor Unit

• Status

• Command

• Communication

status

General signals
(all units)

• Command

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Capacity of IntesisBox

Element

Max.

Notes

Number of indoor units

64*

Number of indoor units that can be controlled through
IntesisBox

* There are different models of IntesisBox KNX – Hitachi VRF each one with different capacity. The table above shows
the capacity for the top model (with maximum capacity).

Their order codes are:

▪ IBKNXHIS016O000: Model supporting up to 16 indoor units
▪ IBKNXHIS064O000: Model supporting up to 64 indoor units

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2 KNX System

In this section, a common description for all IntesisBox KNX series gateways is given, from the point of view of KNX
system which is called from now on internal system. Connection with the Hitachi system is also called from now on
external system.

Description

IntesisBox KNX connects directly to the KNX TP-1 bus and performs as one more device into the KNX system, with the
same configuration and operational characteristics as other KNX devices.

Internally, the circuit part connected to the KNX bus is opto-isolated from the rest of the electronics.
IntesisBox KNX receives, manages and sends all the telegrams related to its configuration to the KNX bus.
On receiving WRITE telegrams of KNX group addresses associated to communication objects, the corresponding

messages are sent to the external system (Hitachi installation).
When a change in a signal of the external system is detected, a WRITE telegram is sent to the KNX bus (addressed

with the group address associated to the corresponding group object), in order to maintain both systems synchronized
in every moment.

The status of the KNX bus is checked continuously and, if a bus drop-down is detected, for example due to failure in
the bus power supply, after the KNX bus is restored again, IntesisBox will send READ telegrams to group addresses of
all communication objects marked with flag ‘Ri’. The behavior of each individual point into IntesisBox is determined by
the flags configured for the communication object. See details below.

Points definition

Every group object in configuration has following KNX properties:

Property

Description

Description

Descriptive information about the communication object or signal.

Object
function

Information on range of values for the group object.

DPT

Datapoint type. It is the KNX data type used to encode the signal's value. It will depend
on the type of signal associated in the external system in every case.

Group

It is the KNX group to which the point is associated. It is also the group to which the
read (R), write (W), transmit (T), update (U) and read on init (Ri) flags are applied. It is
the sending group.

Listening
addresses

They are the addresses that can write on the group object, a part of the main group
address.

R

Read. If this flag is activated, READ telegrams of this group address will be accepted.

Ri

Read on Init. If this flag is activated, the object will trigger corresponding READ request
(on associated group address) on initialization.

W

Write. If this flag is activated, WRITE telegrams on this group object will be accepted.

T

Transmit. If this flag is activated, when the group object value changes, due to a change
in the external system, a WRITE telegram of the associated group address will be sent
to the KNX bus.

U

Update. If this flag is activated, UPDATE telegrams (response to READ telegrams) on
this group object will be accepted.

Active

If activated, the point will be active in IntesisBox, if not, the behavior will be as if the
point is not defined. This allows deactivating points without the need of delete them for
possible future use.

These properties are common for all IntesisBox KNX series gateways. Although each integration may have specific
properties according to the type of signals of the external system.

See list of communication objects in section 9 APPENDIX A – COMMUNICATION OBJECTS TABLE.

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3 Connections

Find below information regarding the IntesisBox connections available.

Power Supply

Must use NEC Class 2 or Limited Power Source (LPS) and SELV rated
power supply.

If using DC power supply:

Respect polarity applied of terminals (+) and (-). Be sure the voltage
applied is within the range admitted (check table below). The power
supply can be connected to earth but only through the negative
terminal, never through the positive terminal.

If using AC power supply:

Make sure the voltage applied is of the value admitted (24 Vac). Do
not connect any of the terminals of the AC power supply to earth, and
make sure the same power supply is not supplying any other device.

Ethernet

Connect the cable coming from the IP network to the connector ETH of
the gateway. Use an Ethernet CAT5 cable. If communicating through the
LAN of the building, contact the network administrator and make sure
traffic on the port used is allowed through all the LAN path (check the
gateway user manual for more information). Default IP is

192.168.100.246. DHCP is enabled by default.

PortA / KNX

Connect the KNX TP1 bus to connectors A3 (+) and A4 (-) of gateway’s PortA. Respect the polarity.

PortB / H-Link Hitachi

Connect the H-Link terminals (TB2) of Hitachi Outdoor Unit to the connectors B1 and B2 of gateway’s
PortB. There is no polarity to be respected.

Console Port
Connect a mini-type B USB cable from your computer to the gateway to allow communication between the Configuration
Software and the gateway. Remember that Ethernet connection is also allowed. Check the user manual for more
information.

USB

Connect a USB storage device (not a HDD) if required. Check the user manual for more information.

Ensure proper space for all connectors when mounted (see section 6)

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Power device

The first step to perform is to power up the device. To do so, a power supply working with any of the voltage range
allowed is needed (check section 5). Once connected the ON led will turn on.

WARNING! In order to avoid earth loops that can damage the gateway, and/or any other equipment connected to it, we
strongly recommend:

• The use of DC power supplies, floating or with the negative terminal connected to earth. Never use a DC
power supply with the positive terminal connected to earth.

• The use of AC power supplies only if they are floating and not powering any other device.

Connect to Hitachi installation

Use the Port B connector of the IntesisBox device to connect Hitachi H-Link bus to the IntesisBox. Remember to follow
all safety precautions indicated by Hitachi.

Connect the Hitachi H-Link bus to connectors B1 and B2 of gateway’s PortB. Bus is not sensitive to polarity.

Connection to KNX

Connect the KNX TP1 bus to connectors A3 (+) and A4 (-) of gateway’s PortA. Respect the polarity.

Connection to the configuration tool

This action allows the user to have access to configuration and monitoring of the device (more information can be found
in the configuration tool User Manual). Two methods to connect to the PC can be used:

• Ethernet: Using the Ethernet port of IntesisBox.

• USB: Using the console port of IntesisBox, connect a USB cable from the console port to the PC.

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4 Set-up process and troubleshooting

Pre-requisites

It is necessary to have a KNX installation, device or interface operative and well connected to the corresponding KNX
port of IntesisBox. It is also required to have a Hitachi Air Conditioner installation, with accessible H-Link/TB2 port for
connection of IntesisBox.

Connectors, connection cables, PC to use the configuration tool and other auxiliary material, if needed, are not supplied
by Intesis Software SLU for this standard integration.

Items supplied by Intesis Software for this integration are:

• IntesisBox gateway.

• Link to download the configuration tool.

• USB Console cable to communicate with IntesisBox.

• Product documentation.

IntesisBox MAPS. Configuration & monitoring tool for IntesisBox KNX series

4.2.1 Introduction

IntesisBox MAPS is a Windows® compatible software developed specifically to monitor and configure IntesisBox new
generation gateways.

The installation procedure and main functions are explained in the IntesisBox MAPS KNX User Manual. This document
can be downloaded from the link indicated in the installation sheet supplied with the IntesisBox device or in the product
website at www.intesisbox.com

In this section, only the specific case of Hitachi to KNX systems will be covered.
Please check the IntesisBox MAPS KNX User Manual for specific information about the different parameters and how

to configure them.

4.2.2 Connection

To configure the IntesisBox connection parameters press on the Connection button in the menu bar.

Figure 4.1 MAPS connection

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4.2.3 Configuration tab

Select the Configuration tab to configure the connection parameters. Three subsets of information are shown in this
window: General (Gateway general parameters), KNX (KNX interface configuration) and Hitachi (Hitachi interface
parameters).

Figure 4.2 IntesisBox MAPS configuration tab

4.2.4 KNX configuration

Set parameters of KNX interface of IntesisBox.

Figure 4.3 IntesisBox MAPS KNX configuration tab

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1. Device configuration

1.1. Physical Address. KNX physical address of the device in the network

1.2. Extended Addresses. Enables usage of KNX Extended addresses (range from 16/0/0 to 32/7/255).

2. Operating Mode. Settings related to KNX interface for control and feedback of AC unit’s operating mode.

2.1. KNX DPT for HVAC operation mode comm object. Base DPT. Base DPT to use for control/monitor the

operating mode. Following DPT types are offered:

o DPT_20.105. DPT_HVACContrMode: 0-Auto, 1-Heat, 3-Cool, 9-Fan, 14-Dry
o DPT_5.x (non-standarized): 0-Auto, 1-Heat, 2-Dry, 3-Fan, 4-Cool

2.2. KNX DPT for HVAC operation mode comm object. Extra DPT. Additional DPT to use for control/monitor

the operating mode.

o DPT_1.100. DPT_Heat/Cool: 0-Cool, 1-Heat.
o DPT_5.001. DPT_Scaling: Enables objects “Control_ Heat Mode & On” and “Control_ Cool Mode &

On”. Their type is DPT_Scaling (0..100%), and their ending is to be able to control parameters On/Off,

Cool/Heat of indoor unit from a single percentage object. They are meant to provide compatibility with
certain thermostats oriented to the operation of valves for Heating/Cooling. Whenever a value > 0% is
received at each of these two objects, the corresponding operating mode and ON operation is sent to
the indoor unit. Whenever both values are 0%, indoor unit is set to OFF

2.3. Use of 1-bit Operating Modes. 1-bit Control Objects. Enables a bit-type object for the control of each

operating mode.

2.4. Use of 1-bit Operating Modes. 1-bit Status Objects. Enables a bit-type object for monitoring each

operating mode.

3. Temperature Sensor.

3.1. Ambient temperature provided from KNX. Enables object Control_ KNX ambient temperature.

NOTE: Indoor unit does not accept, by itself, that an ambient temperature for control of operation

of the indoor unit is provided. To allow regulation of indoor unit according to a temperature reference
from KNX, what IntesisBox does is passing a different temperature setpoint to the indoor unit than

the one required by the user. The passed setpoint is such that the difference ‘Ambient temperature
reported by Hitachi IU – AC setpoint’ is equal to ‘Ambient temperature reported by KNX – AC

setpoint required by KNX’, using the following formula:
“AC Setp. Temp” = “AC Ret. Temp” - (“KNX Amb. Temp.” - “KNX Setp. Temp”)

Where:

▪ AC Setp. Temp: AC indoor unit setpoint temperature
▪ AC Ret. Temp: AC indoor unit return temperature
▪ KNX Amb. Temp.: Ambient temperature provided from KNX
▪ KNX Setp. Temp: Setpoint temperature provided from KNX

Consequently, when using this feature (Ambient temp provided from KNX), setpoint at AC and
setpoint in KNX will not necessarily be the same (actually, user will not be able to operate setpoint

from AC System controllers as the remote controller).

!

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4. Fan Speed. Settings related to KNX interface for control and feedback of AC unit’s fan speed.

4.1. Auto Fan Speed. Configures availability of Auto Fan Speed control/monitoring objects. Necessary if your

indoor unit has auto fan speed.

4.2. KNX DPT for Fan Speed comm objects. DPT_5.001, DPT_Scaling. Control/monitoring of Fan Speed is

performed by means of scaling (percentage) objects. Thresholds for control object and values for status object
will vary according to number of fanspeeds of the unit.

4.2. KNX DPT for Fan Speed comm objects. DPT_5.010, DPT_Value_1_Ucount. Control/monitoring of Fan

Speed is performed by means of enumerated values.

4.4. Use of 1-bit Fan Speed. 1-bit Control Objects. Enables a bit-type object for control of fan speed.

4.5. Use of 1-bit Fan Speed. 1-bit Status Objects. Enables a bit-type object for monitoring of each fan speed.

5. Vanes Position. Settings related to KNX interface for control and feedback of AC unit’s vanes position.

4.1. Auto&Swing Vanes. Configures availability of Auto and Swing control/monitoring objects.

4.2. KNX DPT for Vane Position comm objects. DPT_5.001, DPT_Scaling. Control/monitoring of Vanes

Positions is performed by means of scaling (percentage) objects. Thresholds for control object and values for
status object will vary according to number of vanes positions of the unit.

4.2. KNX DPT for Vane Position comm objects. DPT_5.010, DPT_Value_1_Ucount. Control/monitoring of

Vanes Positions is performed by means of enumerated values.

4.4. Use of 1-bit Fan Speed. 1-bit Control Objects. Enables a bit-type object for control of Vanes Positions.

4.5. Use of 1-bit Fan Speed. 1-bit Status Objects. Enables a bit-type object for monitoring of each Vanes

Position.

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4.2.5 Hitachi configuration

Set parameters for connection with Hitachi’s installation.

Figure 4.4 IntesisBox MAPS Hitachi configuration tab

In Units Configuration section you need to enter, for each unit:

• Active. If it’s active (checkbox at Unit xx), ranging from 1 to 64 indoor units that will be integrated (maximum
number of units will depend on IntesisBox model)

• IU address. Address 1..64 of Unit in Hitachi H-Link bus.

• OU address. Address 1..64 of Outdoor Unit in Hitachi H-Link bus.

• Description. Descriptive name to easy identification of the unit (for example, ‘living room floor 1 unit’, etc).

Additional to manual entry of each unit, autodiscover of present units in an H-Link installation is possible. To do so, click
button Scan. Following window will appear:

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Figure 4.5 IntesisBox MAPS Scan Hitachi Units window

By pressing Scan button, connected Hitachi H-Link bus will be scanned for available units. Error window will appear if
there is a problem in the connection with H-Link bus (units not powered, bus not connected, …).

A progress bar will appear during the scan, which will take up to a few minutes. After scan is completed, detected units
will be shown in available units as follows:

Figure 4.6 IntesisBox MAPS Scan Hitachi Units window with scan results

Select with its checkbox units to add (or replace) in installation, according to selection Replace Units / Add Units.
After units to be integrated are selected, click button Apply, and changes will appear in previous Units Configuration
window.

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Figure 4.7 IntesisBox MAPS Hitachi configuration tab after importing scan results

4.2.6 Signals

All available KNX objects, its corresponding description and other main parameters are listed in the signals tab.

Figure 4.8 IntesisBox MAPS Signals tab

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4.2.7 Sending the configuration to IntesisBox

When the configuration is finished, follow the next steps.

1.- Save the project (Menu option Project->Save) on your hard disk (more information in IntesisBox MAPS User
Manual).

2.- Go to tab ‘Receive / Send’ of MAPS, and in Send section, press Send button. IntesisBox will reboot
automatically once the new configuration is loaded.

Figure 4.9 IntesisBox MAPS Receive/Send tab

After any configuration change, do not forget to send the configuration file to the IntesisBox using the
Send button in the Receive / Send section.

4.2.8 Diagnostic

To help integrators in the commissioning tasks and troubleshooting, the Configuration Tool offers some specific tools
and viewers.

In order to start using the diagnostic tools, connection with the Gateway is required.
The Diagnostic section is composed by two main parts: Tools and Viewers.

• Tools
Use the tools section to check the current hardware status of the box, log communications into
compressed files to be sent to the support, change the Diagnostic panels’ view or send commands to
the gateway.

• Viewers

In order to check the current status, viewer for the Internal and External protocols are available. It is
also available a generic Console viewer for general information about communications and the gateway
status and finally a Signals Viewer to simulate the BMS behavior or to check the current values in the
system.

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Figure 4.10 Diagnostic

More information about the Diagnostic section can be found in the Configuration Tool manual.

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4.2.9 Set-up procedure

1. Install IntesisBox MAPS on your laptop, use the setup program supplied for this and follow the instructions given by
the Installation wizard.

2. Install IntesisBox in the desired installation site. Installation can be on DIN rail or on a stable not vibrating surface
(DIN rail mounted inside a metallic industrial cabinet connected to ground is recommended).

3. Connect the KNX communication cable coming from the KNX network to the port marked as Port A on IntesisBox
(More details in section 3).

4. Connect the communication cable coming from the Hitachi H-Link installation to the port marked as Port B of
IntesisBox (More details in section 3).

5. Power up IntesisBox. The supply voltage can be 9 to 36 Vdc or just 24 Vac. Take care of the polarity of the supply
voltage applied.

WARNING! In order to avoid earth loops that can damage IntesisBox and/or any other equipment connected to
it, we strongly recommend:

• The use of DC power supplies, floating or with the negative terminal connected to earth. Never use a DC
power supply with the positive terminal connected to earth.

• The use of AC power supplies only if they are floating and not powering any other device.

6. If you want to connect using IP, connect the Ethernet cable from the laptop PC to the port marked as Ethernet of
IntesisBox (More details in section 3).

If you want to connect using USB, connect the USB cable from the laptop PC to the port marked as Console of
IntesisBox (More details in section 3).

7. Open IntesisBox MAPS, create a new project selecting a copy of the one named IBOX-KNX-HI.

8. Modify the configuration as desired, save it and download the configuration file to IntesisBox as explained in the
IntesisBox MAPS user manual.

9. Visit the Diagnostic section and check that there is communication activity, some TX frames and some other RX
frames. This means that the communication with the KNX installation and Hitachi installation is OK. In case there is
no communication activity between IntesisBox and the KNX side and/or Hitachi units, check that those are operative:
check communication cable used to connect all devices and any other communication parameter.

Figure 4.11 Enable COMMS

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5 Electrical & Mechanical Features

Enclosure

Plastic, type PC (UL 94 V-0)
Net dimensions (dxwxh): 90x88x56 mm
Recommended space for installation (dxwxh): 130x100x100mm
Color: Light Grey. RAL 7035

Battery

Size: Coin 20mm x 3.2mm
Capacity: 3V / 225mAh
Type: Manganese Dioxide Lithium

Mounting

Wall.
DIN rail EN60715 TH35.

Console Port

Mini Type-B USB 2.0 compliant
1500VDC isolation

Terminal Wiring

(for power supply and
low-voltage signals)

Per terminal: solid wires or stranded wires (twisted or with
ferrule)

1 core: 0.5mm2… 2.5mm2
2 cores: 0.5mm2… 1.5mm2
3 cores: not permitted

USB port

Type-A USB 2.0 compliant
Only for USB flash storage device

(USB pen drive)

Power consumption limited to 150mA

(HDD connection not allowed)

Power

1 x Plug-in screw terminal block (3 poles)

9 to 36VDC +/-10%, Max.: 140mA.
24VAC +/-10% 50-60Hz, Max.: 127mA
Recommended: 24VDC

Push Button

Button A: Check the user manual
Button B: Check the user manual

Operation
Temperature

0°C to +60°C

Ethernet

1 x Ethernet 10/100 Mbps RJ45
2 x Ethernet LED: port link and activity

Operational
Humidity

5 to 95%, no condensation

Port A

1 x KNX TP-1 Plug-in screw terminal block orange (2 poles)

2500VDC isolation from other ports
KNX power consumption: 5mA
Voltage rating: 29VDC

1 x Plug-in screw terminal block green (2 poles)

Reserved for future use

Protection

IP20 (IEC60529)

LED
Indicators

10 x Onboard LED indicators

2 x Run (Power)/Error
2 x Ethernet Link/Speed
2 x Port A TX/RX
2 x Port B TX/RX
1 x Button A indicator
1 x Button B indicator

Switch A

(SWA)

1 x DIP-Switch for PORT A configuration:

Reserved for future use

PORT B

1 x Serial EIA232 (SUB-D9 male connector)

Reserved for future use

1 x H-Link Plug-in screw terminal block (3 poles)

1500VDC isolation from other ports

Switch B

(SWB)

1 x DIP-Switch for PORT B configuration:

Reserved for future use (leave OFF, default)

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6 Dimensions

Recommended available space for its installation into a cabinet (wall or DIN rail mounting), with space enough for
external connections

100 mm (h)

100 mm (w)

130 mm (d)

56 mm (h)

88 mm (w)

90 mm (d)

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phone: [phone]

7 AC Unit Types compatibility

A list of Hitachi unit model references compatible with HI-AC-KNX-16/64 and their available features can be found in:

http://intesis.com/pdf/IntesisBox_HI-AC-xxx-MIU_AC_Compatibility.pdf

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email: [e-mail]

web: www.intesisbox.com

phone: [phone]

8 Error codes for Indoor and Outdoor Units

This list contains all possible values shown in KNX Object for “Error Code” for each indoor unit and outdoor unit.
It must be taken into account that Outdoor Units are only able to reflect a single error for each indoor / outdoor unit in

the system. Thus, a unit having two or more active errors from that list will only report a single error code – the one of
the first error that has been detected.

Error
Code

Category

Content of Abnormality

Leading Cause

01

lndoor Unit

Activation of Protection Device (Float
Switch)

Activation of Float Switch
(High Water Level in Drain Pan,

Abnormality of Drain Pipe, Float Switch or
Drain Pan)

02

Outdoor Unit

Activation of Protection
Device (High Pressure
Cut)

Activation of PSH (Pipe Clogging,
Excessive Refrigerant! lnert Gas
Mixing)

03

Transmission

Abnormality between lndoor and
Outdoor

incorrect Wiring, Loose Terminals,
Disconnect Wire, Blowout of Fuse,
Outdoor Unit Power OFF

04

Abnormality between lnverter PCB
and Outdoor PCB

lnverter PCB - Outdoor PCB
Transmission Failure (Loose Connector,
Wire Breaking, Blowout of Fuse)

04.

Abnormality between Fan Controller
and Outdoor PCB

Fan Controller - Outdoor PCB
Transmission Failure (Loose Connector,
Wire Breaking, Blowout of Fuse)

05

Supply Phase

Abnormality Power Source Phases

lncorrect Power Source,
Connection to Reversed
Phase, Open-Phase

06

Voltage

Abnormal lnverter Voltage

Outdoor Voltage Drop, insufficient Power
Capacity

06. Abnormal Fan Controller Voltage

Outdoor Voltage Drop, lnsufficient Power
Capacity

07

Cycle

Decrease in Discharge Gas Superheat

Excessive Refrigerant! Charge, Failure of
Thermistor, lncorrect Wiring, lncorrect
Piping Connection, Expansion Valve
Locking at Opened Position (Disconnect
Connector)

08

lncrease in Discharge Gas
Temperature

lnsufficient Refrigerant! Charge,
Pipe Clogging, Failure of
Thermistor, lncorrect Wiring,
lncorrect Piping Connection, Expansion
Valve Locking at Closed Position
(Disconnect Connector)

0A

Transmission

Abnormality between Outdoor and
Outdoor

lncorrect Wiring, Breaking Wire, Loose Terminals

0b

Outdoor Unit

lncorrect Outdoor Unit Address
Setting

Duplication of Address Setting for
Outdoor Units (Sub Units) in Same
Refrigerant! Cycle System

0c

lncorrect Outdoor Unit Main Unit

Two (or more) Outdoor Units Set

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Setting

as "Main Unit" Exist in Same
Refrigerant! Cycle System

11

Sensoron
lndoor Unit

lnlet Air Thermistor

lncorrect Wiring,
Disconnecting Wiring Breaking
Wire, Short Circuit

12

Outlet Air Thermistor

13

Freeze Protection Thermistor

14

Gas Piping Thermistor

19

Fan Motor

Activation of Protection Device for
lndoor Fan

Fan Motor Overheat, Locking

21

Sensor on
Outdoor Unit

High Pressure Sensor

lncorrect Wiring,
Disconnecting Wiring Breaking
Wire, Short Circuit

22

Outdoor Air Thermistor

23

Discharge Gas Thermistor on Top of
Compressor

24

Heat Exchanger Liquid Pipe Thermistor

25

Heat Exchanger Gas Pipe Thermistor

29

Low Pressure Sensor

31

System

lncorrect Capacity Setting of Outdoor

Unit and lndoor Unit

lncorrect Capacity Code Setting of Combination

Excessive or lnsufficient lndoor Unit Total

Capacity Code

35

lncorrect Setting of lndoor Unit No.

Duplication of lndoor Unit No. in same Ref. Gr.

36

lncorrect of lndoor Unit Combination

lndoor Unit is Designed for R22

38

Abnormality of Picking up Circuit for

Protection in Outdoor Unit

Failure of Protection Detecting Device

(lncorrect Wiring of Outdoor PCB)

39 Compressor

Abnormality Running Current at

Constant! Speed Compressor

Overcurrent, Blowout Fuse, Current Sensor

Failure, instantaneous Power Failure, Voltage

Drop, Abnormal Power Supply

3A

Outdoor Unit

Abnormality of Outdoor Unit Capacity

Outdoor Unit Capacity > 510kBtu/h

3b

lncorrect Setting of Outdoor Unit

Models Combination or Voltage

lncorrect Setting of Main and Sub Unit(s)

Combination or Voltage

3d

Abnormality Transmission between

Main Unit and Sub Unit(s)

lncorrect Wiring, Disconnect Wire, Breaking Wire,

PCB Failure

43

Protection

Device

Activation of Low Compression Ratio

Protection Device

Defective Compression (Failure of Compressor of

lnverter, Loose Power Supply Connection)

44

Activation of Low Pressure lncrease

Protection Device

Overload at Cooling, High Temperature at

Heating, Expansion Valve Locking (Loose

Connector)

45

Activation of High Pressure lncrease

Protection Device

Overload Operation (Clogging, Short-Pass), Pipe

Clogging, Excessive Refrigerant!, lnert Gas Mixing

47

Activation of Low Pressure Decrease

Protection Device (Vacuum Operation

Protection)

lnsuffcient Refrigerant!, Refrigerant! Piping,

Clogging, Expansion Valve Locking at Open

Position (Loose Connector)

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48

Activation of lnverter Overcurrent

Protection Device

Overload Operation, Compressor Failure

51

Sensor

Abnormal lnverter Current! Sensor

Current! Sensor Failure

53

lnverter

lnverter Error Signal Detection

Driver IC Error Signal Detection (Protection for

Overcurrent, Low Voltage, Short Circuit)

54

Abnormality of lnverter Fin

Temperature

Abnormal lnverter Fin Thermistor,

Heat Exchanger Clogging, Fan Motor Failure

55

lnverter Failure

lnverter PCB Failure

57

Fan Controller

Activation of Fan Controller Protection

Driver IC Error Signal Detection (Protection for

Overcurrent, Low Voltage, Short Circuit),

lnstantaneous Overcurrent

5A

Abnormality of Fan Controller Fin

Temperature

Fin Thermistor Failure, Heat Exchanger Clogging,

Fan Motor Failure

5b

Activation of Overcurrent Protection

Fan Motor Failure

5C Abnormality of Fan Controller Sensor

Failure of Current! Sensor (lnstantaneous

Overcurrent,

lncrease of Fin Temperature, Low Voltage, Earth

Fault, Step-Out)

EE Compressor

Compressor Protection Alarm

(lt is cannot be reset from remote

Controller)

This alarm code appears when the following

alarms• occurs three times within 6 hours.

*02, 07, 08, 39, 43 to 45, 47

b1

Outdoor Unit

No. Setting

lncorrect Setting of Unit and

Refrigerant! Cycle No.

Over 64 Number is Set for Address or Refrigerant!

Cycle.

b5

lndoor Unit
No. Setting

lncorrect lndoor Unit Connection

Number Setting

More than 17 Non-Corresponding to Hi-NET Units

are Connected to One System.

C1

Switch Box

Unit

lncorrect lndoor Unit Connection

2 or more Switch Box Units are connected

between outdoor unit and indoor unit.

C2

lncorrect lndoor Unit Connection No.

Setting

9 or More lndoor Units Connected to Switch Box

Unit

C3 lncorrect lndoor Unit Connection

The indoor units of different refrigerant! cycle is

connected to Switch Box unit.

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9 Appendix A – Communication Objects Table

TOPIC

NAME

LEN

DATAPOINT TYPE

FLAGS

FUNCTION

DPT_NAME

DPT_ID R W T U

GLOBAL

SIGNALS

ON/OFF

On/Off (all units)

1 bit

DPT_Switch

1.001 W

0-Off, 1-On

OP MODE

Operating Mode (all units)

1 byte

DPT_HVACContrMode

20.105 W

0-Auto, 1-Heat, 3-Cool, 9-Fan, 14-Dry

Operating Mode (all units)

1 byte

Non-standarized

5.x W

0-Auto, 1-Heat, 2-Dry, 3-Fan, 4-Cool

FAN SPEED

Fan Speed (all units)

1 byte

Non-standarized

5.x W

1-Low, 2-Mid, 3-High, 4-High+

Fan Speed AUTO (all units)

1 bit

DPT_Switch

1.001 W

1-Set auto fan; 0-Stop auto fan

VANE POSITION

Vane position (all units)

1 byte

Non-standarized

5.x W

1-Position 1...7-Position 7

Vane position AUTO (all units)

1 bit

DPT_Switch

1.001 W

1-Set auto vane; 0-Stop auto vane

SETP TEMP

Temperature Setpoint (ºC) (all units)

2 byte

DPT_Value_Temp

9.001 W

Cool:19..30 ºC; Heat:17..30 ºC

OUTDOOR

UNIT

SIGNALS

COMM ERROR

Status_Communication Error OU

1 bit

DPT_Alarm

1.005 R T

0-No error, 1-Error

TEMPERATURES

Status_Outdoor Air Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

-50..99 ºC

Status_Compresor Top Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

0..200 ºC

COMPRESOR

Status_Total Real Compresor Freq.

4 byte

DPT_Value_Frequency

14.033 R T

0..255 Hz

Status_Total Compresor Current

4 byte

DPT_Value_Electric_Current

14.019 R T

0..255 A

VALVE

Status_Out Exp. Valve 1 Open

1 byte

DPT_Scaling

5.001 R T

0..100 %

PRESSURE

Status_Discharge Pressure

4 byte

DPT_Value_Pressure

14.058 R T

-5.0..9.9 Mpa

Status_Suction Pressure

4 byte

DPT_Value_Pressure

14.058 R T

-5.0..9.9 Mpa

ON / OFF

Control _On/Off

1 bit

DPT_Switch

1.001 W

0-Off,1-On

Status _On/Off

1 bit

DPT_Switch

1.001 R T

0-Off,1-On

OP MODE

Control _Operation mode

1 byte

DPT_HVACContrMode

20.105 W

0-Auto, 1-Heat, 3-Cool, 9-Fan, 14-Dry

Status _Operation mode

1 byte

DPT_HVACContrMode

20.105 R T

0-Auto, 1-Heat, 3-Cool, 9-Fan, 14-Dry

Control _Operation mode

1 byte

Non-standarized

5.x W

0-Auto, 1-Heat, 2-Dry, 3-Fan, 4-Cool

Status _Operation mode

1 byte

Non-standarized

5.x R T

0-Auto, 1-Heat, 2-Dry, 3-Fan, 4-Cool

Control _Mode Cool/Heat

1 bit

DPT_Heat/Cool

1.100 W

0-Cool, 1-Heat

Status _Mode Cool/Heat

1 bit

DPT_Heat/Cool

1.100 R T

0-Cool, 1-Heat

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INDOOR UNIT

SIGNALS

Control _Heat mode&ON

1 byte

DPT_Scaling

5.001 W

0%-Off, 1%-100%-On+Heat

Control _Cool mode&ON

1 byte

DPT_Scaling

5.001 W

0%-Off, 1%-100%-On+Cool

Control _Auto mode

1 bit

DPT_Switch

1.001 W

1-Set auto mode

Status _Auto mode

1 bit

DPT_Switch

1.001 R T

1-Auto mode active, 0-Auto mode not active

Control _Heat mode

1 bit

DPT_Switch

1.001 W

1-Set heat mode

Status _Heat mode

1 bit

DPT_Switch

1.001 R T

1-Heat mode active, 0-Heat mode not active

Control _Cool mode

1 bit

DPT_Switch

1.001 W

1-Set cool mode

Status _Cool mode

1 bit

DPT_Switch

1.001 R T

1-Cool mode active, 0-Cool mode not active

Control _Fan mode

1 bit

DPT_Switch

1.001 W

1-Set fan mode

Status _Fan mode

1 bit

DPT_Switch

1.001 R T

1-Fan mode active, 0-Fan mode not active

Control _Dry mode

1 bit

DPT_Switch

1.001 W

1-Set dry mode

Status _Dry mode

1 bit

DPT_Switch

1.001 R T

1-Dry mode active, 0-Dry mode not active

Control_Fan speed enumerated

1 byte

Non-standarized

5.x W

1-Low, 2-Mid, 3-High, 4-High+

FAN SPEED

Status _Fan speed enumerated

1 byte

Non-standarized

5.x R T

1-Low, 2-Mid, 3-High, 4-High+

Control _Fan speed scaling

1 byte

DPT_Scaling

5.001 W

Thersholds (0%..37%; 38%..62%; 63%..87%;

Status _Fan speed scaling

1 byte

DPT_Scaling

5.001 R T

Thersholds (25%; 50%; 75%; 100%)

Control_ Fan speed low

1 bit

DPT_Switch

1.001 W

1-Set fan speed low

Status_Fan speed low

1 bit

DPT_Switch

1.001 R T

1-Speed low active, 0-Speed low not active

Control_Fan speed mid

1 bit

DPT_Switch

1.001 W

1-Set fan speed mid

Status_Fan speed mid

1 bit

DPT_Switch

1.001 R T

1-Speed mid active, 0-Speed mid not active

Control_Fan speed high

1 bit

DPT_Switch

1.001 W

1-Set fan speed high

Status_Fan speed high

1 bit

DPT_Switch

1.001 R T

1-Speed high active, 0-Speed high not active

Control_Fan speed high+

1 bit

DPT_Switch

1.001 W

1-Set fan speed high+

Status_Fan speed high+

1 bit

DPT_Switch

1.001 R T

1-Speed high+ active, 0-Speed high+ not active

Control_Fan speed Man/Auto

1 bit

DPT_Switch

1.001 W

0-Manual; 1-Auto

Status_Fan speed Man/Auto

1 bit

DPT_Switch

1.001 R T

0-Manual; 1-Auto

VANE POS

Control_Vane position enumerated

1 byte

Non-standarized

5.x W

1-Position 1..7-Position 7

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INDOOR UNIT

SIGNALS

Status_Vane position enumerated

1 byte

Non-standarized

5.x R T

1-Position 1..7-Position 7

Control_Vane position scaling

1 byte

DPT_Scaling

5.001 W

Thersholds(0..21%;22..36%;37..50%;51..64%;65..79%;8

Status_Vane position scaling

1 byte

DPT_Scaling

5.001 R T

Thersholds(0..14%;15..29%;30..43%;44..57%;58..71%;7

Control_Vane position auto

1 bit

DPT_Switch

1.001 R T

1-Set auto vane, 0-Stop auto vane

Status_Vane position auto

1 bit

DPT_Switch

1.001 W

1-Vane auto active, 0-Vane auto not active

Control_Vane position position-1

1 bit

DPT_Switch

1.001 R T

1-Set position-1 vane

Status_Vane position position-1

1 bit

DPT_Switch

1.001 W

1-Vane position-1 active, 0-Vane position-1 not active

Control_Vane position position-2

1 bit

DPT_Switch

1.001 R T

1-Set position-2 vane

Status_Vane position position-2

1 bit

DPT_Switch

1.001 W

1-Vane position-2 active, 0-Vane position-2 not active

Control_Vane position position-3

1 bit

DPT_Switch

1.001 R T

1-Set position-3 vane

Status_Vane position position-3

1 bit

DPT_Switch

1.001 W

1-Vane position-3 active, 0-Vane position-3 not active

Control_Vane position position-4

1 bit

DPT_Switch

1.001 R T

1-Set position-4 vane

Status_Vane position position-4

1 bit

DPT_Switch

1.001 W

1-Vane position-4 active, 0-Vane position-4 not active

Control_Vane position position-5

1 bit

DPT_Switch

1.001 R T

1-Set position-5 vane

Status_Vane position position-5

1 bit

DPT_Switch

1.001 W

1-Vane position-5 active, 0-Vane position-5 not active

Control_Vane position position-6

1 bit

DPT_Switch

1.001 R T

1-Set position-6 vane

Status_Vane position position-6

1 bit

DPT_Switch

1.001 W

1-Vane position-6 active, 0-Vane position-6 not active

Control_Vane position position-7

1 bit

DPT_Switch

1.001 R T

1-Set position-7 vane

Status_Vane position position-7

1 bit

DPT_Switch

1.001 W

1-Vane position-7 active, 0-Vane position-7 not active

TEMPERATURES

Control_Temperature Setpoint (ºC)

2 byte

DPT_Value_Temp

9.001 W

Cool:19..30 ºC; Heat:17..30 ºC

Status_Temperature Setpoint (ºC)

2 byte

DPT_Value_Temp

9.001 R T

Cool:19..30 ºC; Heat:17..30 ºC

Status_AC Ambient Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

-63..63 ºC

Status_Remote Sensor Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

-63..63 ºC

Control_KNX ambient Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 W

ºC

Status_Outlet Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 W

-63..63 ºC

Status_GasPipe Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

-63..63 ºC

Status_LiquidPipe Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 W

-63..63 ºC

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INDOOR UNIT

SIGNALS

ERROR CODE

Status_Unit error

1 bit

1.005-DPT_Alarm

1.005 R T

0-No error, 1-Error

Status_Unit error code

2 byte

Non-standarized

8.x R T

0-No Error, X-Error (100..999)

FILTER

Status_FilterSign

1 bit

DPT_Alarm

1.005 R T

0-Normal, 1-Alarm

Control _FilterReset

1 bit

DPT_Reset

1.015 W

0-No reset, 1-Reset

COMM STATUS

Status_Communication status

1 bit

DPT_Switch

1.001 R T

0-Not exist, 1-Exist

REMOC.

Control_On/Off Remote controll
disablement

1 bit

DPT_Bool

1.002 W

0-No disabled, 1-Disabled

Status_On/Off Remote controll
disablement

1 bit

DPT_Bool

1.002 R T

0-No disabled, 1-Disabled

Control_Mode Remote controll
disablement

1 bit

DPT_Bool

1.002 W

0-No disabled, 1-Disabled

Status_Mode Remote controll disablement

1 bit

DPT_Bool

1.002 R T

0-No disabled, 1-Disabled

Control_Setpoint Remote controll
disablement

1 bit

DPT_Bool

1.002 W

0-No disabled, 1-Disabled

Status_Setpoint Remote controll
disablement

1 bit

DPT_Bool

1.002 R T

0-No disabled, 1-Disabled

Control_Fan Remote controll disablement

1 bit

DPT_Bool

1.002 W

0-No disabled, 1-Disabled

Status_Fan Remote controll disablement

1 bit

DPT_Bool

1.002 R T

0-No disabled, 1-Disabled

SYSTEM INFO

Status_Unit type

1 byte

DPT_Value_1_Ucount

5.010 R T

1-SS, 2-FC, 3-VRF, 4-IU, 5-ES, 13-Not Defined

Status_Unit adress

1 byte

DPT_Value_1_Ucount

5.010 R T

1..64

Status_System adress

1 byte

DPT_Value_1_Ucount

5.010 R T

1..64

DEHUMIDIFICATION

Status_Dehumidification

1 bit

DPT_Switch

1.001 R T

0-Off,1-On

Control_Dehumidification correction

1 byte

DPT_Value_1_Ucount

5.010 W

0..2

Status_Dehumidification correction

1 byte

DPT_Value_1_Ucount

5.010 R T

0..2

OTHERS

Status_Compresor stop cause

2 byte

Non-standarized

8.x R T

X-Cause (0-254), 255-Operation Off

Status_Expansion valve open

1 byte

DPT_Scaling

5.001 R T

0..100 %

Status_Operation condition

1 byte

Non-standarized

5.x R T

0-Off, 1-Thermo Off, 2-Thermo On, 3-Alarm

Status_RC SW Temperature (ºC)

2 byte

DPT_Value_Temp

9.001 R T

-63..63 ºC

Status_RC SW Configuration

1 bit

DPT_Switch

1.001 R T

0-Without RCS, 1-With RCS