ActronAir CRV140S Bedienungsanleitung

IMPORTANT NOTE:

Please read this manual carefully before installing or operating your air conditioning unit.

That’s better. That’s Actron.

ADVANCE

Split Ducted Unit

Troubleshooting Guide

Model Numbers

R-410A R-32

CRV140S CRV13AS

CRV160S CRV15AS

CRV180S CRV17AS

CRV160T CRV13AT

CRV180T CRV15AT

CRV210T CRV17AT

CRV240T

Model shown is R-410A

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Troubleshooting Guide Advance Split Ducted Unit

Table of Contents

01. General Troubleshooting .................................................................................................... 3

02. EC Fan Troubleshooting ......................................................................................................4

03. Indoor Fan PWM and RPM Limits Table................................................................................ 6

. Advance R-A (UNO Board)....................................................................................... 

. Advance R- (UNO-Pro Board) ....................................................................................

04. Component Troubleshooting.............................................................................................. 7

. Testing Indoor Board...................................................................................................... 

. Expected Control Voltage On Communication Line - InZone Board (R-A / R-) ..

. Expected Control Voltage On Communication Line - UNO Board Series (R-A) ...... 

. Expected Voltage - InZone PCB To Indoor Fan.............................................................

. Compressor Winding Resistance..................................................................................

. Condenser Fan Winding Resistance .............................................................................

. Other Component Coil Resistances .............................................................................

. EEV Resistance .............................................................................................................

. Temperature-Resistance Table For Sensors .................................................................

. Pressure-Voltage Table For Pressure Transducers ........................................................

05. Fault and Status Codes ....................................................................................................... 21

. Status Codes.................................................................................................................

. Fault Codes...................................................................................................................

. Fault Code Troubleshooting.........................................................................................

Troubleshooting Guide - Advance Split Ducted Unit

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Troubleshooting Guide Advance Split Ducted Unit

01. General Troubleshooting

Fault Possible Causes Remedies

The system does not start.

Built-in safety timers have been activated. Allow up to 5 minutes for the system to start

from when it is turned on.

A circuit breaker may have tripped. Check circuit breakers.

The thermostat setpoint is incorrect. Lower the set point on cooling or raise it on

heating modes.

The master wall control timer is set. Check the wall control timer settings.

No airﬂow from the outlets.

During heating operation, the hot start function

may have been activated.

During heating operation, the indoor fan is

delayed for 30 seconds or until the indoor coil

reaches 25oC (whichever occur ﬁrst). This is to

prevent cold drafts.

The system may be operating in a defrost

cycle during the heating cycle. (LR7 will display

DEFROST. NEO will display Defrosting.)

This is normal operation during the defrost

cycle to prevent cold air being blown into

rooms.

Cooling/Heating is not suﬃcient.

The return air ﬁlter may be dirty. Clean the return air ﬁlter.

The outdoor unit may have an obstruction on

the air inlet or outlet.

Ensure the air inlet and air outlet on the

outdoor unit is not blocked.

Check that the area around the outdoor unit

is free from obstructions that may cause the

airﬂow to recirculate.

The airﬂow across the indoor coil may be

outside of the operating range.

Reduce the total static pressure of the

ductwork. For example increase duct sizes,

reduce tight duct work bends or increase

return air grille size.

The heat load is greater than the installation

design.

Perform a heat load analysis on the

conditioned space. Turn any unused zones to

the oﬀ position.

Windows or doors are open. Close windows and doors in conditioned areas.

The outside temperature is beyond the air

conditioner design conditions.

When the ambient temperature is expected

to exceed the maximum design operating

temperature, turn the system on as early as

possible.

The indoor fan setting may be set too low. Change the fan speed to a higher setting. This

will increase system capacity.

Steam emitted from outdoor unit.

The outdoor unit is going through a defrost

cycle during the heating cycle.

This is normal during the defrost operation in

cold ambient conditions.

Condensation of water on the outdoor coil

during heating operation.

This is normal during heating operation.

Optional drip trays can be purchased to drain

the excess water.

Set temperature cannot be

adjusted.

The wall control set temperature limits are being

exceeded.

Check the upper and lower temperature limits

are set correctly.

Occasional hissing noise can be

heard during the heating cycle.

This is the sound of the gas changing direction

as the system goes through a defrost cycle.

This is a normal function of an air conditioner.

The compressor is operating but

the system is not cooling.

You are in heating mode. Check the temperature settings.

The reversing valve has not switched between

heating and cooling.

Test reversing valve.

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Fault Possible Causes Remedies

The outdoor coil keeps freezing

over.

Faulty outdoor coil sensor Check the sensor resistance.

Jammed reversing valve. Test the reversing valve operation.

Obstruction on the outdoor unit. Remove obstructions.

There is only one condenser fan

working.

Faulty fan motor. Test the fan motor resistance.

Faulty capacitor. Test the capacitor microfarad reading.

Faulty Outdoor PCB. Test the PCB output voltage.

Compressor won’t operate at

100% capacity.

You can adjust your wall control temperature

so you have a large diﬀerential. This will operate

the system at 100% until the temperature gets

to within 4oC of the setpoint.

Note:

If the system operates under Anti Freeze or

Overheat Protection the system will not operate

at 100% capacity

Adjust the set point less then or greater than

4oC of the indoor temperature depending on

mode of operation.

Odour in the conditioned space

when the A/C is turned on.

Indoor unit has absorbed the conditioned space

smells eg. cigarette, cooking, etc.

If this happens, we recommend you have the

indoor unit washed by a technician. Consult

the installer from whom you purchased the air

conditioner.

No P-Trap installed. Re-pipe drain with a P-Trap.

Dry P-Trap. Contact the installer to carry out a general

service and ﬁll the P-Trap.

02. EC Fan Troubleshooting

Fault Sequence of Events Possible Causes Remedies

1. Auto Mode is not

available.

When scrolling through fan

speeds, Auto Mode is not

selectable.

During commissioning,

Self-Learn mode was not

activated.

Carry out self learn mode. Refer LR7/LC7/

NEO controller operation manual.

Self learn mode failed during

commissioning.

Ensure that the air is balanced correctly

(static may be too high). Refer to

Installation and Commissioning

Guide-Indoor.

2. Airﬂow hunting during

Auto and Self Learn

Mode.

Indoor fan will intermittently

“huﬀ”.

Excessive static in ductwork.

Duct static has changed since

performing a self-learn. Ducts

deteriorate, dirty ﬁlter, change

in duct layout.

Reduce static where possible.

See installation guidelines on duct

installation.

Clean ﬁlter and re-perform self-learn.

3. Too much airﬂow when

minimum zones are on.

Air is blowing too much when

set to minimum zones.

Fan not set to Auto Mode. Change fan setting to Auto Mode

Poor air balance. Carry out air balance and install manual

dampers as required.

Minimum duct and outlet sizes

requirements not followed.

Check Installation and Commissioning

Guide-Indoor and adjust / change if

necessary.

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Troubleshooting Guide Advance Split Ducted Unit

Fault Sequence of Events Possible Causes Remedies

4.Low airﬂow during

AUTO Mode.

System produces reduced

airﬂow on Auto mode when all

or minimum zones are on.

System capacity has been

designed to heat/cool only

selected areas of the conditions

space at any one time.

Operate indoor fan on Low/ Med/High

speed to achieve more airﬂow.

Excessive static in ductwork. Reduce static where possible.

Review duct design with reference to

Installation and Commissioning

Guide-Indoor.

5. Indoor fan not changing

speeds when in Auto

Mode

When zones are switched on

or oﬀ, airﬂow to active zones

doesn’t increase or decrease.

There is excessive static within

the duct design of the active

zones.

Review duct design with reference to

Installation and Commissioning

Guide-Indoor.

The indoor PCB is not changing

the fan PWM to adjust the fan

PWM to adjust the fan speed.

Check the output PWM from indoor PCB.

An increase in fan speed should result in

a increase in the fan % PWM (duty cycle).

Refer to table below test points expected

voltages.

To determine if the system may be

suﬀering from excessive or insuﬃcient

static, check PWM & RPM values through

the indoor unit dashboard on the Master

Wall Controller:

• If the RPM is at its maximum value, and

the PWM has not reached its requested

value, this indicates a high static.

(Please refer to RPM Limits in Section

0.3)

• When switching oﬀ zones, and there

is little or no change in the RPM value,

this indicates insuﬃcient static within

remaining active zones duct work.

6. HiS is displayed on the

wall controller after

a Self-Learn has been

preformed (L Series

Controller only).

System produces low airﬂow

when AUTO mode is selected

regardless of how many zones

are open.

HiS is displayed on the wall

control as a indication of very

high static in the connected

return and supply duct which

can further eﬀect the supply

air quantity during the auto

mode. If there is too much

static during self-learn, then

the controller will automatically

decrease the indoor fan speed

until an acceptable static is

achieved and the self-learn can

be completed with reduced

airﬂow.

Reduce static where possible. Review

duct design with reference to Installation

and Commissioning Guide - Indoor .

Once static has been reduced perform

Self-Learn again.

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03. Indoor Fan PWM and RPM Limits Table

03.01. Advance R-410A (UNO Board)

Unit Model PWM % (Approx)

Low Medium High

EVV140S 35 47 60

EVV160S 42 58 77

EVV180S 50 69 99

EVV210S 43 61 82

EVV240S 44 62 84

Unit Model RPM Limits

Low Medium High

EVV140S 1150 1290 1390

EVV160S 1150 1290 1390

EVV180S 1150 1290 1390

EVV210S 1150 1350 1500

EVV240S 1150 1350 1500

03.02. Advance R-32 (UNO-Pro Board)

Unit Model PWM % (Approx)

Low Medium High

EVV13AS 40 50 64

EVV15AS 52 64 73

EVV17AS 57 73 99

Unit Model RPM Limits

Low Medium High

EVV13AS 1380 1380 1380

EVV15AS 1380 1380 1380

EVV17AS 1380 1380 1380

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Troubleshooting Guide Advance Split Ducted Unit

04. Component Troubleshooting

04.01. Testing Indoor Board

1. Disconnect wires from the Wall Control Communication and Outdoor Communication plugs into indoor

board

2. Loop the “A” terminal from the Wall Control communication plug to the “A” terminal on the Outdoor

Communication Plug

3. Loop the “B” Terminal from the Wall Control communication plug to the “B” terminal on the Outdoor

Communication Plug

4. Power the board and if the WCCOM2 LED ﬂashes and the OUTDOORCOM1 ﬂashes then the indoor board is

communicating.

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04.02. Expected Control Voltage On Communication Line - InZone Board (R-410A / R-32)

NOTES

• If COM1 (LED1) and COM2 (LED2) are blinking, communication is occurring.

• * Voltage sending between A-G and B-G are fluctuating, this means communication is occurring.

• Prior to measuring the control voltage ensure communication wires are properly connected to the CPU

board.

ZONE 8

ZONE 7

ZONE 6

ZONE 5

ZONE 4

ZONE 3

ZONE 2

ZONE 1

COM1

LED1

COM2

LED2

COM3

LED3

PWR

LED4

*VDC VALUES

UNO Board: 0.4 - 3 VDC

UNO Pro Board: 1 - 3 VDC

VDC*

04.03. Expected Control Voltage On Communication Line - UNO Board Series (R-410A)

CONDENSER CPU BOARD

SMPS 240VAC/12VDC

FAN POWER 2

240V AC

FAN POWER 1

240V AC

FAN

CAP H

FAN

CAP M

FAN

CAP L

AMB

SENSOR

OUTPUT

0-10V G

REMOTE

ON/OFF

G 12V

+12V

COM

DRM3

COMP

DRM2

FAN

DRM1

HEAT COIL

TEMP

SENSOR

RUN FAULT N PFC N COMP N PWM N CCH N REV

COM

LQD

HEAT

LQD

COOL

DLT

TEMP

SCT

TEMP

AUX 485

12V A B G

INDOOR 485

A B G VSD 485

A B G

OCB

FUSE

250V AC 10 A

SLOW BLOW

SIZE 5 x 20mm

MENUENTER

BACK

DISPLAY

MAINS

POWER

AC/L

AC/N

V-

V+

COM 1COM 2COM 3

PWR

SW1

PROG

EXV

0-10V

INPUT

LED 1

LED 2

LED 3

0.4 - 3 VDC*

1 - 3.2VDC*

AGBG

0.4 - 3 VDC*

1 - 3.2VDC*

FAN

CAP H

FAN

CAP M

FAN

CAP L

Troubleshooting Guide - Advance Split Ducted Unit

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Troubleshooting Guide Advance Split Ducted Unit

04.03.0.01. Expected Control Voltage On Communication Line - UNO Pro Board (R-32)

INDOOR 485 VSD

A B G +5V A B G

485

1 - 3 VDC 1 - 3 VDC

1 - 3.2 VDC 1 - 3.2 VDC

AGAG

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Troubleshooting Guide Advance Split Ducted Unit

04.04. Expected Voltage - InZone PCB To Indoor Fan

INDOOR CPU BOARD

(EVAPORATOR)

FAN POWER

240VAC

AUX

240VAC COM

COM

12V

0-10V

12V

0-10V

COM

0-10V

COM

COIL

TEMP

INDOOR FAN

24VAC

PWM

INDOOR

FAN

OUTDOOR

485

AUX

485

WALL

CONTROLLER

TEMP

SENSORS

AUX

OUT

AUX

ICB

MASTER

WALL CONTROLLER

SECONDARY

MAINS

SMPS 240VAC/12VDC

AC/L

AC/N

V-

V+

IF-1

1 EC

ECM

CONTROL

MODULE

INDOOR FAN (IF)

INTERNAL AUTO RESET

OVERLOAD PROTECTION

WALL CONTROLLER

ZONE 8

ZONE 7

ZONE 6

ZONE 5

ZONE 4

ZONE 3

ZONE 2

ZONE 1

Step 1.

1. Measure the Indoor Fan on/oﬀ signal.

On signal = 12VDC signal between Pin 1 and 3 (red and blue wires).

Oﬀ signal = +0VDC signal between Pin 1 and 3.

Step 2.

1. Set the tester to measure duty cycle .

2. Set the indoor fan to a ﬁxed speed eg High & turn all zones on.

3. Measure the reading between Pin 3 and 4 (blue and yellow wires).

4. Change fan speed and check for any changes in readings.

5. Compare the duty cycle output to the expected PWM for each model.

NOTE

Duty cycle cannot be tested in voltage. A voltage on the PWM line indicates a Duty Cycle is present.

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