PAW-A2W-VENTA Installation and Service Document in original language | 213028 · v4 GB
© Copyright Systemair UAB All rights reserved E&OE Systemair UAB reserves the rights to alter their products without notice. This also applies to products already ordered, as long as it does not affect the previously agreed specifications. Systemair is not liable or bound by warranty if these instructions are not adhered to during installation or service.
Contents 1 2 3 4 5 6 7 Overview ......................................................1 1.1 Warranty ..............................................1 1.2 Type label.............................................1 1.3 Disposal and recycling .............................1 Important Safety Information .............................1 2.1 Intended Use.........................................2 2.2 Admonitions .........................................2 2.3 Declaration of Conformity ........................
Contents 8.3.4 Accessing the heat exchanger .............................. 43 8.3.5 Check and Clean Fans................ 46 8.3.6 Duct System Maintenance ........................... 47 8.4 Troubleshooting ................................... 47 9 Accessories.................................................. 48 9.1 Indoor air quality sensors ....................... 48 9.2 Electric duct heater (control via relay) ................................................ 49 9.2.
Overview | 1 Overview Read the instructions carefully and in its entirety. 1.1 Warranty For the assertion of warranty claims, the products must be correctly connected and operated, and used in accordance with the data sheets. Further prerequisites are a completed maintenance plan with no gaps and a commissioning report. Panasonic will require these in the case of a warranty claim. 1.
2 | Important Safety Information 2.1 Intended Use • Abide by the system-related conditions and requirements of the system manufacturer or plant constructor. • Keep all the warning signs on the device and in a legible condition. • The device is not to be used by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction.
Important Safety Information | 2.3 Declaration of Conformity Manufacturer Systemair UAB Linų st. 101 LT–20174 Ukmergė, LITHUANIA Office: +370 340 60165 Fax: +370 340 60166 www.systemair.com hereby confirms that the following product: PAW-A2W-VENTA–R , PAW-A2W-VENTA–L (The declaration applies only to product in the condition it was delivered in and installed in the facility in accordance with the included installation instructions.
4 | Delivery, Transport, Storage 3 Delivery, Transport, Storage 3.1 Transport and storage The PAW-A2W-VENTA should be stored and transported in such a way that it is protected against physical damage. It should be covered so dust, rain and snow cannot enter and damage the unit and its components. Important • Use the packaging exclusively as transport protection and not as a lifting aid. • Load and unload the air handling unit carefully. 3.
Technical data | Dimensions and weights Weight Mounting position Energy-related products data (ErP) Energy class, Basic unit Energy class, Unit with local control on demand ErP compliance 4.1 46 kg Vertical A A ErP 2018 Dimensions and Weight Fig.
6 | Technical data Fig. 3 Dimensions of right hand unit The unit weight is 46 kg. 4.2 Duct connections Fig.
Technical data | Exhaust air 4.3 Extract air System curves Every change in the pressure of the ventilation system, will result in a different airflow. Each curve shows a different airflow level setting: 1. 16% (MINIMUM LEVEL) 2. 20% (LOW LEVEL) 3. 50% (NORMAL LEVEL) 4. 80% (HIGH LEVEL) 5. 100% (MAXIMUM LEVEL) Airflow level settings can be changed in Service menu. System curves for each airflow level with standard filters shown bellow. 4.3.
8 | Prerequisites for Installation 4.3.2 5 Extract air, M5/ePM10 50% type filter Prerequisites for Installation To ensure a proper and fail-free operation, it is important that the unit is installed according to these instructions. 5.1 Location and Space Requirements PAW-A2W-VENTA unit can be installed stand-alone (hanged to the wall), on top of a squared domestic hot water storage tank 60x60 (PAW-TA20C1E5C) or on top of All-in-One Compact (WH-ADC0309J3E5C).
Installation | 6 Installation 6.1 Required components for Modbus communication between the Ventilation Unit and the Heat Pump • PCB kit PAW-A2W-VENTA (Item no.: PAW-VEN-ACCPCB) • PAW-AW-MBS-H Modbus interface • Two core cable (cores have to be at least 0.5 mm2) for connection to Modbus interface Note: Compatible only with Panasonic Aquarea H and J series. 6.2 Installation procedure Important The device may only be installed by qualified, instructed and trained personnel.
10 | Installation Note: In order to connect PAW-A2W-VENTA to external devices, a connection board (PCB kit) is needed. It has to be ordered separately. • Place the connection board on a dedicated mount inside of ventilation unit, secure the connection board with included screw (pos. 8). • Take a flat cable that comes with the PCB kit, connect one of its ends to 26–pin connector on the connection board (pos. 9a) and the other end to 26–pin connector on the main circuit board (pos. 9b).
Installation | Note: PAW-AW-MBS-H Modbus Interface is needed to connect PAW-A2W-VENTA with a heat pump from Panasonic Aquarea H and J Series. • Open the front cover of the heat pump to have access to the electronic circuit. Once the electronic circuit is reached, locate the socket connector marked as CN-CNT. See Panasonic Aquarea manual for more information.
12 | Installation 6.
Operation | 6.6 Concluding Routines Perform the following procedures before leaving the site: 1. Ensure that the product is operational and that no alarms are active. 2. If applicable, save the configuration backup. 3. Make sure that the Commissioning record is complete. 4. Collect all tools. 5. Inform the appropriate person that work is finished. 6. Follow the procedures for the return and disposal of replacement parts and the disposal of packing.
14 | Operation • heater type (None/Electrical/Water/Change-over) The Startup Wizard cannot be skipped. 7.3 Common symbols The following selection symbols are common and are present in most menu pages: On and Off slider to activate or deactivate a function. White bubble — function is inactive, green bubble — function is active.
Operation | 7.5 Ventilation control 7.5.1 Home screen 1. Drop-down menu list 2. Active user mode 3. Temperature settings 4. Airflow settings 5. Target temperature 6. Current measured temperature 7. Status bar 7.5.2 How to Select User Mode For more information about user modes and functions, please check Help menu. The top circle on the home screen indicates a currently active user mode. Touch the symbol to change the mode. Duration have to be set for temporary user modes.
16 | Operation 7.5.2.1.1Permanent modes Permanent modes are always active unless interrupted by temporary modes, activated user functions or alarms: Icon Text Description AUTO Automatic airflow control. AUTO mode is available for selection when Demand Control, Week Schedule and/or external fan control functions are configured, otherwise AUTO mode icon won’t be visible in active user modes menu. AUTO mode activates Demand Control, Week Schedule and/or external fan control functions.
Operation | Icon Text Description Central Vacuum Cleaner Function sets speed of supply air fan to High level and extract air fan to Low level to increase air pressure within the apartment for better dust collection through central vacuum cleaner. Function can be activated via digital input — Central Vacuum Cleaner Function. Cooker Hood Sets speed of both supply and extract air fans to Maximum level to increase airflow in the cooker hood.
18 | Operation Use up and down arrows to increase or decrease a value. The default setting is 18 °C. Temperature set point is for room air temperature, supply air temperature or for extract air temperature depending on which control mode is active. Default setting is Supply air temperature control. Control mode of the temperature can be changed in Service menu. 7.5.3.1 ECO mode ECO mode is a power saving function which partially limits heater operation and can only be activated if a heater is installed.
Operation | Note: Airflow regulation is available only in Manual mode. The airflow may be adjusted in these steps: Off/Low/Normal/High. These settings control output signals to the supply and extract fans. Important It is not recommended to set fan to Off in standard households. If manual fan stop is activated, the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of condensation when the unit has been stopped.
20 | Operation Icon 7.6 Text Description Cooling recovery Automatic cooling recovery is active when extract air temperature from apartment is lower than outdoor air temperature and there is a cooling demand (temperature setpoint is lower than outdoor air temperature). No cooling recovery with heating demand. If the outdoor air temperature is higher than then thee indoor air temperature and there is a heating demand, function Free heating is activated instead.
Operation | 7.6.1 Home Screen 1. Outdoor air temperature 2. Heat Pump Operation mode 3. Temperature settings for Zone 1 and Zone 2 (if configured) 4. Temperature settings for a domestic hot water tank (if configured) 5. Target temperature 6. Current measured temperature 7. Active functions or alarms 7.6.2 How to change Operation mode The top circle on the home screen indicates a currently active operation mode. Touch the symbol to change the mode.
22 | Operation Icon Text Description Heat + Tank Available if DHW Tank is configured. Heat pump both heats and prepares hot domestic water, depending on the demand. Cool + Tank Available if DHW Tank and Cooling are configured. Heat pump both cools and prepares hot domestic water, depending on the demand. Auto Available if Cooling is configured. Heat pump automatically heats, cools or prepares domestic hot water (if selected), depending on the demand.
Operation | Use up and down arrows to increase or decrease a temperature value. Current measured zone temperature is displayed on the same screen in the top left corner. 7.6.3.1 Enable/Disable Zone It is possible to disable a zone if two zones are configured. At least one zone has to be enabled at all times. Disabling a zone shuts down its temperature regulation. Zone can be enabled or disabled in the temperature settings window for that zone.
24 | Operation Touch HELP button to know more about the alarm. To clear the alarm, touch ACKNOWLEDGE button. Note: The underlying cause of the alarm must be resolved first otherwise the alarm will appear again. If the problem continues contact your installation company or place of purchase. 7.8 7.8.1 Main menu Unit Information A basic read-only information about status of the unit, configured components and inputs/outputs.
Operation | Note: Descriptions of the heat pump alarms can be found in Panasonic Aquarea manual. 7.8.2.2 Alarms log Alarm log allows to view last 20 alarms. Each alarm contains information: • Alarm name • Date/time stamp • Information if the alarm stops the unit or other note 7.8.2.3 Alarm list Alarm name Explanation Do the following Frost protection of return water in heating coil. The alarm will reset once the water temperature reaches 13°C. Check the water fluid temperature in heating coil.
26 | Operation Alarm name Explanation Do the following Fire alarm is active. Once the external Fire alarm is disabled – alarm has to be acknowledged and unit restarted. A class alarms: Fire alarm • Alarm stops the unit. Supply air temperature is too low. Active: (Outdoor air temperature sensor measures < 0°C) AND (Supply air temperature sensor measures < 5°C) Returned: (Supply air temperature sensor measures > 10°C) Check the heat exchanger and reheater. Rotor guard Indicates a rotor malfunction.
Operation | PDM Extract air temperature sensor Indicates internal extract air temperature sensor malfunction. Active: measured temperature = 0°C Returned: measured temperature > 5°C Check that sensor is connected properly and cable is not damaged. Contact your installation company or place of purchase. Extra controller alarm Error from external device. Check if external device is connected properly and cable is not damaged. Reset overheat protection on electrical pre-heater.
28 | Operation Communication fault Communication between units PAWA2W-VENTA and Panasonic Aquarea is no longer active. Restart PAW-A2W-VENTA unit. If the alarm persists, contact your installation company or place of purchase. Fault code [] Panasonic Aquarea alarm Refer to Panasonic Aquarea manuals for alarm codes. Alarm Fire Alarm can be only activated with a digital signal from a smoke/fire detection system or similar. Digital input has to be configured as Fire Alarm for this alarm to work.
Operation | Week Schedule is active only during AUTO mode. Touch the slider to the right to activate scheduled period. Set the time. Touch the START TIME or END TIME values to change time. Use arrow buttons decrease value. Confirm with OK button. and to increase or Note: Scheduled time can start but never end at midnight (00:00). The latest END TIME period is 23:59. Scheduled time cannot go to the next day. 12 or 24 hour time format can be changed in System Preferences menu.
30 | Operation ♦ Screen brightness (Active mode backlight intensity). Selection 1-10. ♦ Quick Info screen timer (00:00 – 00:00). The timer is used to automatically force the screen to go to sleep mode if Quick Info screen is currently active (to avoid light pollution during the night). The sleep and wake up time is freely adjustable. Setting 00:00 – 00:00 means the sleep mode is disabled. If the Quick Info screen is disabled, sleep time and wake up time settings are hidden. 7.8.
Operation | Table 2 Overview of input configuration Analog inputs Digital inputs Universal analog inputs Universal digital inputs Input type Value Compensation Input type Polarity Value Input type Analog type Value Input type Digital type Polarity Value 7.8.6.2 Output Configuration of outputs. Settings for analog, digital and universal output terminals on the main board and connection board, configuration of functionality.
32 | Operation Range: 0–10 V / 2–10 V / 10–0 V / 10–2 V. • Set circulation pump temperature. Default setting is 10°C. This option is available if Water / Change-over heater type is selected. Range: 0–20°C. • Set circulation pump stop delay. Default setting is 5 minutes. This option is available if Water / Change-over heater type is selected. Range: Off / 1–60 min. Cooler • Choose cooler type. Each selection unlocks additional configuration options. Default setting is None.
Operation | Note: Room temperature control mode requires an accessory to measure room temperature. • Choose temperature unit. Default setting is Celsius. Available units: Celsius / Fahrenheit • Set P-band. Default setting is 10° C. Set I-time. Default setting is 100 sec. • Configure SATC Split for cooler (0–20%), heat exchanger (25–60%) and heater (65–100%) output settings. Range: 0–100%. • Configure cascade control setpoint for min/max supply air temperature, P-band, I-time.
34 | Operation Setting Manual RPM - Pressure (VAV) Flow (CAV) Set K factor for supply air fan and extract air fan. Default settings are based on unit type. - Outdoor Compensation A purpose of this function is to protect the unit from freezing by creating an unbalanced airflow at extreme winter temperatures or to limit supply of cold/hot outdoor air at extreme winter/ summer conditions with balanced ventilation.
Operation | Set cooling limit. Cooling recovery is allowed if extract air temperature is lower than outdoor air temperature by a set limit (default setting is 2K) and cooling demand is present. • Configure status, temperature and duration of free cooling. Activate or deactivate free cooling . Default setting is Off. Set supply and extract air fan levels during free cooling. Default setting is Normal. Range: Normal / High / Maximum. Set start condition.
36 | Service Level 4: 61–80% Level 5: 81–100% Parameters • Select parameter type, position in y-axis, period from 60 minutes to 2 weeks and then create a graph based on stored data by touching icon in the top right corner available in mobile application) . Export parameters data by touching arrow button . (only 7.8.6.8 Password Settings Service level is always locked with a password. Other menu levels have a separate option for locking.
Service | 8.1 Internal components Fig. 6 Internal components Position Description 1. Supply air fan 2. Extract air fan 3. Extract air filter 4. Supply air filter 5. Main print card 6. External connections 7. Drive belt for rotating heat exchanger 8. Outdoor air sensor 9. Supply air sensor 10. Relative humidity/Extract air temperature sensor 11. Rotating heat exchanger 8.1.1 Component descriptions 8.1.1.
38 | Service The heat exchanger is removable for cleaning and maintenance, see “User Manual” for more information. 8.1.1.4 Main circuit board The main circuit board controls all functions and the unit. It is possible to connect external accessories to a free terminals on the main circuit board. 8.1.1.5 Temperature sensors The sensors are connected to the main print card. See wiring diagram for more information. 8.1.1.
Service | 8.1.
40 | Service 8.2 Electrical connections 8.2.1 Wiring diagram Symbol Description SAF Supply air fan. EAF Extract air fan. SAT Supply air temperature sensor. EMI Electromagnetic interference filter for 230 V AC. HMI Integrated control panel CB Connection to external connection board. OAT Outdoor air sensor. RM Rotor motor. RGS Rotor guard sensor. RHS/EAT Internal relative humidity/Extract air temperature sensor.
Service | A Mains supply 230 V~. BU Blue. BN Brown. BK Black. RD Red. YE Yellow. GY Gray. WH White. GN Green. 8.2.2 External connections (Connection board) Note: This component is an accessory (PCB for additional functions, code: PAW-VEN-ACCPCB). Position Description 1 Connection to the main circuit board 2 Connection for the external control panel (HMI). 3 Modbus RS485 connection AI6–7 Freely configurable Analog input. None/Input type selection in HMI.
42 | Service 8.3.1 Maintenance Schedule Task 6 months General inspection X Filter change X 1 year 3 years When necessary X X Fan cleaning X Heat exchanger cleaning X Belt replacement X Checking and cleaning louvres/ diffusers X Checking and cleaning outdoor air intake X Checking and cleaning roof cowl (if fitted) X Cleaning of duct system X1 1. It is recommended to do this every 5 years and is normally carried out by authorized companies specialized in this area.
Service | 8.3.3 Changing filters The filters cannot be cleaned and must be changed as necessary. This is normally done 1–2 times per year depending on the air pollution at the installation site. It is very important to change filters regularly for performance and energy efficiency of the unit. When it’s time to change the filters an alarm is shown on the control panel display. When this occurs do the following: 1. Stop the unit by disconnecting the mains. 2. Pull out the filters towards you.
44 | Service Electrical connections box must be removed to access the heat exchanger. Wires that come out from the electrical connections box must to be disconnected first before the connections box can be removed. Disconnect power supply wires, supply air fan (SAF) and extract air fan (EAF) control and power wires, the heat exchanger control and power cables (Molex connector), temperature sensors (SAT, OAT), control panel cable and connection board for accessories (if installed).
Service | After disconnecting wires, pull out the rubber grommets with cables and set them aside (including connection board if installed), so it would not get in a while when removing the heat exchanger. Note: 8.3.4.1 Replacing rotor drive belt If the alarm Rotor guard is raised the rotor drive belt may be damaged or broken, see chapter 7.8.2.3. Electrical connection box have to be removed first, before the heat exchanger can be accessed. See chapter 8.3.4.
46 | Service 8.3.4.2 Checking and cleaning the heat exchanger Even if the required maintenance is carried out, dust will build up in the exchanger block. It is therefore of vital importance for the upkeep of a high efficiency that the exchanger block is removed from the unit and cleaned periodically as described below. Clean the heat exchanger at least every 3 years or when required. 1. Stop the unit by disconnecting the mains. 2. Remove the cover. See chapter 8.3.2. 3.
Service | The motor bearings are life time lubricated and maintenance free. Even if the required maintenance, such as changing of filters is carried out, dust and grease may slowly build up inside the fans. This will reduce the efficiency. The fans may be cleaned as illustrated in below procedure. 1. Disconnect the fan power cables. The cables are found beside the fans. 2. Remove knobs that hold fans in place. 3. Pull out the fans towards you. Some force may be needed. 4.
48 | Accessories 2. The unit could be in defrost mode. This reduces the fan speed and in some cases shuts down the supply air fan completely during the defrosting cycle. The fans go back to normal after defrosting. There should be a defrosting function icon visible on the home screen if defrosting is active. 3. Speed of fans is linearly reduced when the outdoor air temperature is below 0°C and an outdoor airflow compensation function is enabled. 4.
Accessories | • IAQ — indoor air quality sensor (CO2, RH and temperature) • CO2 — CO2 duct sensor • 1 — Outdoor air • 2 — Supply air • 3 — Extract air • 4 — Exhaust air Component/product — Article number: • PAW-VEN-ACCPCB — PCB for additional functions (CB) • CO2 Duct sensor — PAW-VEN-S-CO2-D • CO2 Wall mounted sensor — PAW-VEN-S-CO2-W • CO2 RH Wall mounted sensor — PAW-VEN-S-CO2RHW Installation and connection 1. Install IAQ sensor in the duct or the room depending on the transmitter type. 2.
50 | Accessories • ELH — electric heater • ECT — extra controller temperature sensor • OAT — outdoor air duct temperature sensor • SAT — supply air temperature sensor • RL — relay • 1 — Outdoor air • 2 — Supply air • 3 — Extract air • 4 — Exhaust air Component/product — Article number: • PAW-VEN-ACCPCB — PCB for additional functions (CB) • PAW-VEN-HTR06 • PAW-VEN-HTR12 Note: The relay (RL) and duct temperature sensor (OAT/ECT) are included with the heater (PAW-VEN-HTR06, PAW-VEN-HTR12). 9.2.
Accessories | 9.2.2 Heater installed in the supply air duct Installation and connection 1. Install an electric heater (ELH) at least 100 mm distance from the unit in the supply air duct. A relay (RL) is used to control the heater. Connect relay to any free digital output on the connection board (CB). 2. Connect the power supply to the electric heater via a relay. A circuit breaker (BRK) is not included in the package and must be ordered separately. It must be installed in the circuit. 3.
52 | Product fiche 9.3 Multiple control panels Multiple control panels (up to 10) can be connected to one unit with the help of diverting plugs. A single diverting plug allows to connect two control panels. A diverting plug can be connected to another diverting plug to further increase the number of control panels that can be connected simultaneously.
213028 | v4 SEC Warm -11,0 kWh/(m².a) Average SEC Warm SEC Class qv ref Ps ref SPI CTRL MISC x-value External Leakage 50 0,407 0,85 1,1 2 3% N/A ErP data for unit with two additional CO2 sensors for local demand control. For more information in local language see www.systemair.com % 0,65 1,1 2 3% N/A 50 0,407 292 173 40 0,057 84% ErP data for basic unit. For more information in local language see www.systemair.
PAW-A2W-VENTA · Installation and Service · 213028 · en_GB · 2021-04-12 · v4
