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8.5 Trouble shooting

Fans do not start 

1. Check that main supply gets to the unit. 

2. Check that all connections are working (all connections in terminal box and fast couplings of intake and exhaust air fans).

 

 

 

Reduced airflow

 

1. Check setting of fan speed on the CTRL-DSP (controller supplied)

 

2. Check filters. Change of filters required? 

3. Check diffusers. Re-setting or cleaning of grilles and diffusers required? 

4. Check fans and heat exchange block. Cleaning required? 

5. Check if air intake and exhaust have been clogged. 

6. Check ducting system for damage and/or dirt accumulation.

7. Check if Anti-frost icon       is displayed on LCD. 

 

Fan noise/vibrations 

1. Clean fan impellers. Cleaning required? 

2. Check that the fans are firmly in place within the unit. 

 

Excessive air noise 

1. Check setting of fan speed on the CTRL-DSP (controller supplied).

 

2. Check grilles and diffusers. Re-setting or cleaning of grilles and diffusers required? 

 

Gurgling noise 

1. Drainage parts have not been installed correctly. 

2. Drain connection below the unit has a too low water level, fill it up with water. 

 

Unpleasant smell 

1. Drainage parts have not been installed correctly. 

2. Drain connection below the unit has a too low water level, fill it up with water. 

3. Check filters. Change of filters required? 

4. Check ducting system and grilles and diffusers. Cleaning required? 

 

Water leakage near the unit 

1. Drain connections and elbows/plugs have not been installed correctly. Sealing necessary? 

2. Drain connections and elbows/plugs are dirty. Cleaning necessary?

Fig. 8.r

Fig. 8.q

Fig. 8.s

Fig. 8.t

Содержание QR350ABP

Страница 1: ...3 1 General 2 3 2 Dimensions and Weight 3 3 3 Connections 3 3 4 Space required 4 3 5 Rating label 4 4 Transport and Storage 4 5 Installation 4 5 1 Unpacking 4 5 2 Where how to install 4 5 3 Installation 5 5 4 Electric Connections 7 6 Commissioning 8 6 1 Setting Fan speed 8 6 2 Before Starting the System 9 7 Operation 10 7 1 User Menu on CTRL DSP 11 7 2 Installer Menu on CTRL DSP 13 7 3 Additional ...

Страница 2: ...er than those specified in this manual This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user...

Страница 3: ...to outside Supply air to inside Extract air from inside Winter condensation drainage Summer condensation drainage A B D C F E LEFT Connections from and to outside are set on the left side of the unit front view DEFAULT RIGHT Connections from and to outside are set on the right side of the unit front view The factory setting is LEFT E F A B C D ...

Страница 4: ...t physical damage that can harm spigots casing display etc It should be covered so that dust rain and snow cannot enter and damage the unit and its components 5 Installation This section describes how to install the unit correctly The unit must be installed according to these instructions 5 1 Unpacking Verify that the unit and eventual accessories delivered is according to order before starting th...

Страница 5: ...res maintenance regularly and that the inspection doors should be easily accessible Leave free space for opening the removable panels and for removal of the main components see 3 4 The outdoor air grilles if possible be put in the northern or eastern side of the building and away from other exhaust outlets like kitchen fan exhausts or laundry room outlets Fig 5 a 517 mm Fig 5 b Fig 5 c Fig 5 d Fig...

Страница 6: ... s in the opening at the bottom of the unit in case close and seal the non used hole with the 2 supplied plugs one each side of the hole Make sure of water and air tightness of all connections It is necessary to use a U bend or similar in the condensation drainage pipe The water drainage connections can be made either through the holes at the bottom side of the casing or through the opening at the...

Страница 7: ...ons SLAVE input 1 10V J2 jumper for SLAVE mode AC power supply Heat output max 250Vac 5A Dehumidifier output max 250Vac 5A Boost momentary switch BST IAQ input Air Quality i e SEN CO2 HY input i e SEN HY CTRL DSP Inputs commands N 1 AC supply connector N 3 on off inputs volt free contacts two for ambient sensors named HY IAQ and one for boost momentary switch named BST N 1 1 10V analog input named...

Страница 8: ...3 89 8 0 83 86 6 0 90 300 m h 250 m h ESTERNO INTERNO 50 m h 100 m h 150 m h 200 m h 6 Commissioning 6 1 Setting Fan speed The speed of the unit can be adjusted during installation according to required ventilation rate Figure 6 a below shows performance curves for supply air and extract air at different settings of the 0 10V signal to the motors Consumption refers to the 2 motors Table 6 b indica...

Страница 9: ...3m Intake 83 65 70 73 62 58 53 47 84 51 Supply 81 65 65 66 57 51 42 33 81 45 Extract 80 63 66 68 60 54 45 34 78 47 Exhaust 78 65 70 71 62 59 53 45 80 50 Breakout 81 69 67 69 62 56 48 36 82 48 80 Lw dB SOUND POWER OCTAVE BAND Lp dB A 63 125 250 500 1 K 2 K 4 K 8K Tot 3m Intake 73 61 67 69 59 56 50 43 75 47 Supply 72 61 63 65 56 50 41 31 74 43 Extract 73 60 63 65 57 51 42 31 74 44 Exhaust 73 61 66 6...

Страница 10: ...e previous menu OK key to enter the selected menu to go DOWN with the menu selection to go UP with the menu selection to power off the ventilation unit shows error alarm see point 7 3 to check the type of error this symbol shows if the bypass is active this symbol shows that ANTI FROST is active this symbol shows that the IAQ input is activated i e CO2 this symbol shows that the HY input is activa...

Страница 11: ...s at speed 1 Press ESC or wait for about 60 sec to go back to the operation screen Fig 7 c In case of activation of either HY or IAQ sensor inputs OR logic the unit speed increases by 15 and the sensor related icon or is displayed Once all on off sensors inputs are deactivated the unit reverts back to selected speed In case the user has activated the NIGHT MODE during nocturnal hours from 8 00 p m...

Страница 12: ...e boost speed Press OK to select The factory setting DEFAULT is 15 Time options are 15 30 45 60 Time is flashing use increase the time and to decrease Press OK to select User menu 1 Mode Selection 2 Boost 3 Boost Duration 4 Reset FILTER Alarm 5 Night Mode 6 Installer menu It allows to reset the filter alarm after maintenance replacement It can be selected only if the FILTER icon is displayed Fig 7...

Страница 13: ...ientation 4 Bypass settings 5 Heating 6 Heating Threshold 7 Dehumidification 8 Speed Setting 9 Airflow Balancing 10 F7 filter 11 Filter Alarm interval 12 Working Hours Counter 13 Save settings 14 Load settings 15 Restore Default Settings 16 Contrast 17 Debug page Use or to select the menu NOTE Menu 6 Heating Threshold displays only if Menu 5 Heating is set on PRE or POST Installer menu 1 Language ...

Страница 14: ...t is intalled at intake air side Fig 7 a HEAT output Fig 5 g is activated and heating icon displays on LCD when T21 HEATING THRESHOLD Fig 7 a POST the heating element is intalled at supply air side Fig 7 a HEAT output Fig 5 g is activated and heating icon displays on LCD when T11 HEATING THRESHOLD Fig 7 a Installer menu 6 Heating Threshold 7 Dehumidification 8 Speed Setting 9 Airflow Balancing 10 ...

Страница 15: ...humidification 8 Speed Setting 9 Airflow Balancing 10 F7 filter Installer menu 11 Filter Alarm interval 12 Working Hours Counter 13 Save settings 14 Load settings 15 Restore Default Settings It allows to set the Filter Alarm period the system has a timer which activates the Filter warning on the LCD at regular intervals Press OK to enter Use or to choose among 2 3 6 months or OFF Press OK to selec...

Страница 16: ... QR350ABP is equipped with a physical bypass which allows to mitigate the heat exchange when the indoor and outdoor temperature combinations are such that the heat exchange is not recommended In this case the Bypass icon is activated on the LCD The parameters Desired Temperature Tmax Free Heating Tmin Free Cooling Installer Menu 4 are to be meant as follows Desired Temperature is the ambient tempe...

Страница 17: ...0 The motor bearings are life time lubricated and maintenance free It is possible to easily disconnect and replace the fans if necessary Filters The filters are of filter quality G4 for both the supply air and extract air filter The filters need to be cleaned regularly and replaced when polluted during maintenance New sets of filters can be acquired from your installer or wholesaler Heat exchanger...

Страница 18: ...D Their maintenance may differ per situation depending on the internal and external environmental conditions Press FILTER button Fig 7 b to reset the Filter Alarm Filters must be replaced every year WARNING Make sure that the mains supply to the unit is disconnected before performing any installation service maintenance or electrical work L Fig 8 e Fig 8 d Fig 8 c Fig 8 b Fig 8 g Fig 8 f ...

Страница 19: ...ntal conditions and on frequency of filter cleaning Fig 8 h i j n o p Clean the fans every year with a vacuum cleaner This may differ per situation depending on internal and external environmental conditions and on frequency of filter cleaning Do not move the balance clips of the fan fig 8 h i j q r s t 8 4 Service WARNING Make sure that the mains supply to the unit is disconnected before performi...

Страница 20: ...aning required 2 Check that the fans are firmly in place within the unit Excessive air noise 1 Check setting of fan speed on the CTRL DSP controller supplied 2 Check grilles and diffusers Re setting or cleaning of grilles and diffusers required Gurgling noise 1 Drainage parts have not been installed correctly 2 Drain connection below the unit has a too low water level fill it up with water Unpleas...

Страница 21: ... and electro technical waste disposal collection centres or else send the product back to the retailer when purchasing a new equivalent type device Separate collection of decommissioned equipment for recycling treatment and environmentally compatible disposal helps to prevent negative effects on the environment and on health and promotes the recycling of the materials that make up the equipment Im...

Страница 22: ... Control typology Local demand control Central demand control Manual control no DCV o1 Maximum internal leakage rate 1 5 o2 Maximum external leakage rate 1 5 p1 Internal mixing rate N A p2 External mixing rate N A q Visual filter warning Visual filter warning on display r Instructions to install regulated grilles N A s Internet address for pre disassembly instructions www aerauliqa com t Airflow s...

Страница 23: ...23 NOTE ...

Страница 24: ...office viaCorsica10 25125Brescia C F e P IVA VAT 03369930981 REA BS 528635 Tel 39 030 674681 Fax 39 030 6872149 www aerauliqa com info aerauliqa it Aerauliqa srl reserves the right to modify make improvements to products and or this instruction manual at any time and without prior notice ...

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