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19 Troubleshooting

Installer and user reference guide

43

VAM350~2000J7VEB
Heat reclaim ventilation unit
4P487293-1 – 2017.08

6

Install the maintenance cover securely in place.

18.2

Maintenance of the heat exchange
element

CAUTION

▪ NEVER wash the heat exchange element with water.

▪ NEVER touch the heat exchange paper because it can

be damaged if it is forced.

▪ Do NOT crush the heat exchange element.

To clean the heat exchange element

1

Take 

out 

the 

heat 

exchange 

elements. 

Refer 

to

"18.1 Maintenance of the air filter" on page 42

.

2

Equip  a  vacuum  cleaner  with  a  brush  on  the  tip  of  the  suction
nozzle.

3

Use  the  vacuum  cleaner  and  lightly  contact  the  brush  on  the
surface of the heat exchange element to remove dust.

4

Put the heat exchange element on the rail and insert it securely
in place.

5

Install the air filters securely in place.

6

Install the maintenance cover securely in place.

19

Troubleshooting

If one of the following malfunctions occur, take the measures shown
below and contact your dealer.

WARNING

Stop  operation  and  shut  off  the  power  if  anything
unusual occurs (burning smells etc.).

Leaving  the  unit  running  under  such  circumstances  may
cause breakage, electric shock or fire. Contact your dealer.

If  the  system  does  NOT  properly  operate,  investigate  the  system
according to the following procedures.

Malfunction

Measure

If the system does
NOT operate at all.

▪ Check  if  there  is  no  power  failure.  Wait

until  power  is  restored  and  restart
operation.

▪ Check if no fuse has blown or breaker is

activated.  Change  the  fuse  or  reset  the
breaker if necessary.

▪ Check  if  the  indication  of  operation

control  method  on  the  user  interface  is
shown.  This  is  normal.  Operate  the  unit
using  the  air  conditioner  remote  control
or 

centralised 

controller. 

Refer 

to

"8 Configuration" on page 22

.

▪ Check  if  the  indication  of  operation

standby on the user interface is shown. It
indicates 

the 

pre-cooling/pre-heating

operation.  This  unit  is  at  stop  and  will
start  operation  after  the  precooling/
preheating  operation  is  over.  Refer  to

"8 Configuration" on page 22

.

The amount of
discharged air is small
and the discharging
sound is high.

▪ Check  if  the  air  filter  and  heat  exchange

element  are  NOT  clogged.  Refer  to

"18  Maintenance  and  service"  on
page 42

.

The amount of
discharged air is large
and the discharging
sound is high.

▪ Check  if  the  air  filter  and  heat  exchange

element 

are 

installed. 

Refer 

to

"18  Maintenance  and  service"  on
page 42

.

INFORMATION

The  unit  may  not  operate  as  requested  due  to  a  filter
contamination check.

If  after  checking  all  above  items,  it  is  impossible  to  fix  the  problem
yourself, contact your installer and state the symptoms, the complete
model name of the unit (with manufacturing number if possible) and
the installation date (possibly listed on the warranty card).

In case a malfunction code appears on the indoor unit user interface
display,  contact  your  installer  and  inform  the  malfunction  code,  the
unit  type,  and  serial  number  (you  can  find  this  information  on  the
nameplate of the unit).

For your reference, a list with malfunction codes is provided. Refer to

"  Error  codes:  Overview"  on  page  40

.  You  can,  depending  on  the

level of the malfunction code, reset the code by pushing the ON/OFF
button. If NOT, ask your installer for advice.

20

Relocation

Contact  your  dealer  for  removing  and  reinstalling  the  total  unit.
Moving units requires technical expertise.

21

Disposal

NOTICE

Do  NOT  try  to  dismantle  the  system  yourself:  the
dismantling  of  the  system  MUST  comply  with  applicable
legislation.  Units  MUST  be  treated  at  a  specialised
treatment facility for reuse, recycling and recovery.

22

Glossary

Dealer

Sales distributor for the product.

Содержание VAM350J7VEB

Страница 1: ...reference guide Heat reclaim ventilation unit English Nam e Plat e Installer and user reference guide Heat reclaim ventilation unit VAM350J7VEB VAM500J7VEB VAM650J7VEB VAM800J7VEB VAM1000J7VEB VAM1500...

Страница 2: ...control systems 20 7 2 Independent system 21 7 3 Interlocked system 21 7 4 Centralised control system 22 8 Configuration 22 8 1 Operating procedure 22 8 1 1 To change the settings with BRC1E53 22 8 1...

Страница 3: ...nce shall NOT be made by children without supervision WARNING To prevent electric shocks or fire Do NOT rinse the unit Do NOT operate the unit with wet hands Do NOT place any objects containing water...

Страница 4: ...age of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid gas is produced Corrosion of copper pipes or soldered parts may cau...

Страница 5: ...of your application for more information NOTICE Make sure water quality complies with EU directive 98 83 EC 1 3 6 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the...

Страница 6: ...ns Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that you MUST read before installing Format Paper in the a...

Страница 7: ...and user reference guide 7 VAM350 2000J7VEB Heat reclaim ventilation unit 4P487293 1 2017 08 3 2 Heat reclaim ventilation unit 3 2 1 To unpack the heat reclaim ventilation unit VAM350 VAM500 VAM650 1...

Страница 8: ...3 To handle the heat reclaim ventilation unit NOTICE When removing the heat reclaim ventilation unit from the packing do NOT place the suction or discharge side of the unit on the floor Possible conse...

Страница 9: ...the outdoor air When the heat reclaim ventilation unit is installed upside down the minimum allowed outdoor air temperature is 5 C If this CANNOT be guaranteed you MUST install a heater to heat up th...

Страница 10: ...temperature or direct flames Places subject to much carbon black Carbon black attaches to air filter and heat exchange elements disabling them 5 2 1 Installation site requirements for the heat reclaim...

Страница 11: ...plied with the fixing box 1 Remove the screws that are in the middle of the casing fixing plate 2 Attach the optional mounting plate EKMPVAM on top of the casing fixing plate 3 Attach the optional ada...

Страница 12: ...Field supplied fuses 16 A Wire H05VV U3G Size Wire size MUST comply with the applicable legislation Transmission wiring Wiring Shielded wire 2 wire Size 0 75 1 25 mm Precautions When connecting more t...

Страница 13: ...n the return air infiltrates into the ceiling and the temperature and humidity in the ceiling become too high insulate the metal parts of the unit ONLY use the service hole to access the inside of the...

Страница 14: ...ll a heater to heat up the outdoor air to 5 C Keep in mind that the ceiling hooks have to be reinstalled when the heat reclaim ventilation unit is installed upside down They have to be rotated 180 so...

Страница 15: ...he General safety precautions chapter WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make electrical connections to the fixed wiring...

Страница 16: ...nected to the main units Remove the screw that secures the cover and open the switch box Secure the power supply control wires with the clamp as shown in the figures VAM350 650 X33A a X14A J3 J2 J1JC...

Страница 17: ...r e Grounding terminal f Terminal board g Transmission wiring terminal board P1 P2 F1 F2 h Transmission wiring to optional user interface i Power supply cable j Wires for connection of additional exte...

Страница 18: ...4P487293 1 2017 08 VAM1500 VAM2000 a g p b m b b b f k i m l j r n h m d e o A1P X24A X29A X27A X35A X14A X33A F2 F1 P2P1 J3J2 J1JC a b f k d e m l i j r n h o o m X35A X24A c i o r n h l q q q c a Sw...

Страница 19: ...entilation fan starts operating and it will open the contact when the fan is stopped 6 5 4 Power supply connection control wire terminals and switches on the circuit board To connect the power supply...

Страница 20: ...mode fresh up mode Malfunction display Interlocked operation control system Interlocked operation with indoor unit by user interface for indoor unit Maximum 16 units The heat reclaim ventilation unit...

Страница 21: ...0 m See 8 3 2 Independent system on page 29 Heat reclaim ventilation unit User interface 7 3 Interlocked system System Standard method Related items in electric wiring Combined operation system with V...

Страница 22: ...ts divided by Mode number for example 19 29 where 19 is the mode number for group settings and 29 is the mode number for individual settings Switch number for example 1 Position number for example 02...

Страница 23: ...s to enter the local setting mode 2 Use the Ventilation mode button up b and the Airflow rate button down b to select a mode number Result The code display is blinking 3 To configure settings for indi...

Страница 24: ...er 8 hours 2 Pre cool pre heat Off On 3 Pre cool pre heat duration 30 minutes 45 minutes 60 minutes 4 Initial fan speed High Ultra high 5 Yes No setting for duct connection with VRV system Without duc...

Страница 25: ...tion 4 Indication of ventilation mode On Off 18 28 6 Automatic ventilation air flow mode Linear Fixed A Fixed B 7 Fresh up mode No indication supply No indication exhaust Indication supply Indication...

Страница 26: ...Step 6 Step 7 Step 8 2 Supply fan step setting Step1 Step2 Step3 Step4 Step5 Step6 Step7 Step8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Step 15 3 Exhaust fan step setting Step1 Step2 Step3 Step4...

Страница 27: ...ing modes are mentioned as group settings Between parentheses are the setting modes for individual unit control Group number setting for centralised controller Mode No 00 Group controller Mode No 30 I...

Страница 28: ...ng 19 29 2 and setting 19 29 3 Balance return air and outdoor air with fan steps 1 15 based on the air flow curves see the databook and the system pressure drop You MUST activate setting 19 29 0 03 Wa...

Страница 29: ...ter d Switch position Slave e Maximum length of connection line 500 m NOTICE Factory settings Do NOT change the switch settings when a user interface is connected SS1 is a setting switch to operate wi...

Страница 30: ...hout user interface do NOT switch it on with the user interface connected Otherwise the unit will give an error once the controller is removed because it will keep on searching for the user interface...

Страница 31: ...to set the central control group number Mode number 00 Central control group number 2 05 Zone control F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 P1 P2 P1 P2 P1 P2 P1 P2 HRV 1 HRV 2 HRV 3 VRV a b e c d c a Zone 1...

Страница 32: ...ilation units are operating 1 Press the Operation Mode Selector button several times until the ventilation mode is selected Vent To change the ventilation mode 1 Press the Menu Enter button to display...

Страница 33: ...terface BRC301B61 In such cases use the air conditioner user interface BRC1E53 or the centralised controller TEST FRESH UP 1 2 8 4 3 9 10 13 12 11 6 1 Operation lamp This red pilot lamp lights up whil...

Страница 34: ...it board BRP4A50A to monitor the operation 1 Connect the terminal strip on the adapter printed circuit board BRP4A50A a b c d BRP4A50A X1 X2 L N X33A a Operation lamp b Power source c Power source d H...

Страница 35: ...y Exhaust Weak High Low Low High Strong Ultra high High High Ultra high 8 5 3 About the external damper operation Functions Intake of outdoor air when the heat reclaim ventilation unit is off can be p...

Страница 36: ...nstallation manual that is delivered with the CO2 sensor To remove the components a b c d d d d c e PS f g a Hinge mechanism b Service cover c Heat exchange element d Air filter e Heat exchange elemen...

Страница 37: ...onditions The indoor temperature is higher than the air conditioning setting The outdoor temperature is lower than the indoor temperature If the above conditions are NOT met reevaluation takes place e...

Страница 38: ...e performing a test operation is dangerous CAUTION Do NOT insert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury 9 3 Checklist be...

Страница 39: ...of electrostatic discharge Before performing any maintenance or service work touch a metal part of the unit in order to eliminate static electricity and to protect the PCB 11 2 1 To prevent electrical...

Страница 40: ...nit and user interface Transmission error between main user interface and sub user interface Wrong user interface installed Repeated central address Transmission error between the unit and centralised...

Страница 41: ...als Connectors Protective earth Noiseless earth Colours BLK Black BLU Blue BRN Brown GRN Green ORG Orange RED Red WHT White YLW Yellow For the user 15 User interface CAUTION NEVER touch the internal p...

Страница 42: ...fore accessing make sure to turn off the operation switch and disconnect the power CAUTION During operation NEVER check or clean the unit It may cause electrical shock Do NOT touch the rotating parts...

Страница 43: ...or centralised controller Refer to 8 Configuration on page 22 Check if the indication of operation standby on the user interface is shown It indicates the pre cooling pre heating operation This unit...

Страница 44: ...ng how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction manual...

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Страница 48: ...4P487293 1 2017 08 Copyright 2017 Daikin...

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