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7

5.4 Electric Connections

The unit must be earthed.

The QR350ABP is wired internally from factory. 

To connect the the CTRL-DSP  to the mother board use a 4pole twisted-pair cable: max length 30m.

 

Figures below show the wiring diagram.

WARNING

Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or 

electrical work!

WARNING

The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in 

accordance with local rules and regulations.

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-CO

2

)

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 SLAVE). 

N°1 jumper for SLAVE MODE selection. 

N°1 4-pole connector for CTRL-DSP (RS485 plus 12Vdc supply). 

Outputs

 

N°1 on/off output for pre-heating/post-heating (relay contact – 250Vac 5A). 

N°1 on/off output for dehumidification (relay contact – 250Vac 5A).

Fig. 5.l Electrical connections on the motherboard fitted in the terminal box.

+12V

A

B

GND

A

B

1
2
V

G
N
D

Summary of Contents for QR350ABP

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 23: ...23 NOTE ...

Page 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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