SAVE VSR 300/500 Service & Accessories Installation Manual GB Document in original language | · v1_1.12.
© Copyright Systemair UAB All rights reserved E&OE Systemair UAB reserves the rights to change 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 the warranty if these instructions are not adhered to during installation or service. | v1_1.12.
Contents 1 2 3 4 5 6 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 ........................
Overview | 1 Overview The key to proper and safe operating of the unit is to read this manual thoroughly, use the unit according to given guidelines and follow all safety requirements. 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. Systemair will require these in the case of a warranty claim. 1.
2 | Important Safety Information • Do not allow children to play with the device. 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: Heat recovery ventilation unit: SAVE VSR 300/500 (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 | Technical Data 3 Technical Data 3.1 Power consumption and fuse size SAVE VSR 300/500 come with 1670 Winstalled re-heater battery. VSR300 Model VSR500 1670 W Re-heater Fans 166 W 338 W Total power consumption 1836 W 2008 W 10 A 13 A Fuse 3.2 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.
Before starting the system | 3.2.
6 | Configuration On and Off slider to activate or deactivate a function. White bubble — function is inactive, green bubble — function is active. Back button to return to a previous menu, located at the upper left corner Up arrow to increase a value CANCEL Button to cancel changes Down arrow to decrease a value SET/OK Buttons to confirm changes Some menus have more than one page. Touch page indicator in the top right corner to go to the next page.
Configuration | Settings of all modes can be modified in Service menu. 5.5.1.1 Permanent 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.
8 | Configuration 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.
Configuration | Fig. 2 Hierarchy of user modes and digital inputs Modes are listed from the highest to lowest priority; A — user modes that can be activated from the control panel; B — user modes and functions activated via digital input 5.5.2 Temperature settings Temperature can be set at SET TEMPERATURE menu accessible from the home screen by touching TEMPERATURE icon with thermometer. Default temperature value is 18°C (range 12–30°C). Use up and down arrows or a slider to change the value.
10 | Configuration While ECO mode is active, a temperature setpoint at which heater is activated is lowered to avoid activation of the heater during cold nighttime. If the temperature is very low and the heater is activated during the nighttime (even with lowered temperature setpoint), then during the upcoming daytime indoor temperature will be increased using the heat exchanger so that accumulated heat could be used during the next cold nighttime, the lowered setpoint for the heater remains.
Configuration | Setpoint for relative humidity and CO2 level can be set in Service menu. 5.5.5 Status line Status line located at the bottom area of home screen displays information about: List of active alarms. See chapter 5.7.2.3 for more information. List of active user functions. See chapter 5.6 for more information. Touching any of these lines will move you to the next page with more detailed list and information about each alarm or active user function. 5.
12 | Configuration 5.7 5.7.1 Configurable Digital Input 1 Configurable digital input for custom user function. Airflow levels for both fans are freely configurable. High–priority function. Configurable Digital Input 2 Configurable digital input for custom user function. Airflow levels for both fans are freely configurable. Mid–priority function. Configurable Digital Input 3 Configurable digital input for custom user function. Airflow levels for both fans are freely configurable.
Configuration | • Date/time stamp • Information if the alarm stops the unit or other note 5.7.2.3 Alarm list Alarm name Explanation Do the following Frost protection 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. Check the circulation pump of water heater. Contact your installation company or place of purchase. • Alarm stops the unit and opens the water valve completely.
14 | Configuration Alarm name Explanation Do the following Bypass damper Indicates malfunction in bypass damper. Disconnect the main power supply for 10 seconds to reset control function. Power up the unit, an automatic bypass damper test will be performed. If the alarm occurs again after approximately 2 minutes – contact your installation company or place of purchase. Rotor guard Indicates a rotor malfunction. No rotation guard signal for 180 seconds. If the rotating heat exchanger has stopped.
Configuration | Alarm name Explanation Do the following PDM RH Indicates internal relative humidity sensor malfunction. Active: measured humidity = 0% Returned: measured humidity > 5% Check that sensor is connected properly and cable is not damaged. Contact your installation company or place of purchase. PDM RH Extract air temperature Indicates internal extract air temperature sensor malfunction.
16 | Configuration Alarm name Explanation Do the following RH External relative humidity sensor malfunction. Check that sensor is connected properly and cable is not damaged. In case sensor wireless – check RS485 gateway status and sensor status in HMI. Contact your installation company or place of purchase. Output in manual mode One or more of analogue outputs are in manual mode. Check Service menu for Output settings, and check all configured outputs to be in Auto mode.
Configuration | Fig. 3 Week schedule example Scheduled days are highlighted (pos. 1). First time period (pos. 2) and the second time period (pos. 3) are shown on the right side of each schedule. 5.7.4 Filter In this menu the remaining time until filter change is displayed. Editing is locked with a password, use administrator password. See Password Settings in Service menu for more information. Set duration of the filter until next change for period of 3–15 months in steps of 1 month.
18 | Configuration Settings for analog, digital and universal input terminals on the main board and connection board, configuration of functionality. Table 1 Digital universal inputs available for selection User modes Activation of specific user modes. Central Vacuum Cleaner Activation of Central vacuum cleaner function. Cooker hood function Activation of Cooker Hood function. External Stop Air handling unit is stopped by an external command.
Configuration | Table 3 Digital outputs available for selection Step controllers for Heating/Cooling/Extra controller Heater/Cooler/Extra controller control signals. Sum Alarm Fault indicating output. Outdoor-/Exhaust Air Damper Outdoor-/Exhaust air damper control signal. Secondary Air Secondary air damper control. Activate Cooling Cooling mode activation signal to an external system. Interlock External fan Control Automatic indication about prohibited external fan control (i.e.
20 | Configuration 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. Available types: None / Water / Change-over. • Set outdoor air temperature interlock. Default setting is 10°C. Range: 0–20°C. • Set actuator type.
Configuration | Only available for Room temperature control / Extract air temperature control modes. ECO mode • Configure ECO mode settings. Set heater offset. Default setting is 5°C. Range: 0–10°C. Fan Control • Configure airflow and fan settings. Select fan control (airflow) type. Default setting is Manual (%). Available types: Manual (%) / Manual rpm / Flow (CAV) / Pressure (VAV) / External Setting Manual RPM Pressure (VAV) Flow (CAV) External Airflow measurement unit.
22 | Configuration Important Changing the airflow type does not change P-band value automatically. P-band value have to be changed manually after changing the airflow type. Demand Control Configure indoor air quality sensors. Once sensor(s) are configured, Demand Control function is activated by choosing AUTO mode in home screen. • Activate or deactivate CO2 sensor. Default setting is Off. Set CO2 sensor setpoint. Default setting is 800 ppm (parts per million in atmosphere).
Configuration | Off / On. Cooling Control • If the outdoor air is warmer than the extract air and the supply air is above the setpoint, cooling recovery occurs. This condition blocks the heat regulation process. Activate or deactivate cooling recovery. Default setting is On. 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.
24 | Configuration • Configurable Digital Input 1 • Configurable Digital Input 2 • Configurable Digital Input 3 • Pressure Guard 5.7.6.6 Communication Configure Modbus and wireless settings Modbus • Set Modbus address. Default setting is 1. • Set baud rate. Default setting is 115200. • Set parity. Default setting is None. Range: None / Even / Odd. • Set stop bits. Fixed value: 1. • Shows Smartly-Gateway state.
Configuration | Level 4: 45–59% Level 5: 60–100% 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 5.7.6.8 Unit backups Menu for restoring factory settings or importing/exporting configuration file from/to the Internet Access module (IAM).
26 | Service 6 Service 6.1 Warnings Danger • Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work! • All electrical connections and maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations. Warning • This product must only be operated by a person who has suitable knowledge or training within this field or carried out with the supervision of a suitably qualified person.
Service | 6.2 Internal components Fig. 6 Internal components Position Description 1 Supply air fan 2 Overheat protection sensor 3 Overheat protection reset button 4 Internal electrical re-heater 5 Rotor sensor 6 Rotating heat exchanger 7 Outdoor air sensor 8 Supply air filter 9 Extract air fan 10 Drive belt for rotating heat exchanger 11 Rotor motor 12 Relative humidity/Extract air temperature sensor 13 Extract air filter 14 Supply air sensor 15 External connections 6.2.
28 | Service 6.2.1.2 Filters The factory installed filters are of filter quality F7/ePM10 80% for the supply air and G3/ISO Coarse 60% for the extract air filter. The filters need to be replaced when polluted. New sets of filters can be acquired from your installer or wholesaler. Filter quality G3/ISO Coarse 60% can be installed for supply air filtering. The filter type is labelled on the top of the filter 6.2.1.
Service | 6.2.1.9 Overheat protection reset button If the supply air temperature is low, it can indicate that the over heat protection is triggered. The overheat protection can be reset by pressing the reset button . The button is placed on the top cover. 1. Reset button 6.3 Electrical connections The SAVE VSR 300/500 is wired internally from factory. The electrical connection box is on top of the unit behind a cover plate. 1. Main print card 6.3.
30 | Service Fig.
Service | 6.3.2 External connections (Connection board) External connections to the main circuit board are done via connection board situated outside of the unit. Fig. 8 External connection box and board Position Description 1 Connection to the main circuit board 2 Connection for external control panel (HMI) or Internet access module (IAM) 3 Modbus RS485 connection AI6–7 Freely configurable Analog input. None/Input type selection in HMI. DO1–4 Freely configurable Digital output.
32 | Accessories 10.Check if the buildings air intake and roof unit (exhaust) have been clogged. 11.Check visible duct runs for damage and/or build up of dust/pollution. 12.Check diffuser/louvre openings. The unit cannot be controlled (control functions are stuck 1. Reset control functions by disconnecting mains power for at least 10 seconds. 2. Check the modular contact connection between the control panel and the main printed circuit board. Low supply air temperature 1.
Accessories | 7.1.1 | v1_1.12.
34 | Accessories Note: The internet access module uses TCP port 8989. Make sure it is not blocked. Description A. Connect the Internet Access Module (IAM) to the Connection Board (CB) with included RJ10 cable. B. Power up the IAM with included power supply cable and adapter (230 V~). C. Enable access to the internet. Three options are available: • C1 — Activate WPS function on your router (if available) and press the button on the Internet Access Module for 5 seconds.
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: • Systemair-1 CO2 duct sensor — 14906 • Systemair-E CO2 sensor — 14904 • Room sensor 0-50C (temperature) — 211525 • Systemair-E CO2 RH Temperature — 211522 Installation and connection 1. Install IAQ sensor in the duct or the room depending on the transmitter type. 2.
36 | 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: • CB Preheater Connection Kit — 142852 • VSR 300: CB 160-1,2 230V/1 Duct heater — 5291 • VSR 500: CB 200-2,1 230V/1 Duct heater — 5384 7.3.1.1 Heater installed in the outdoor air duct Installation and connection 1.
Accessories | 7.3.1.2 Heater installed in the supply air duct Connections 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.
38 | Accessories Installation and connection 1. Install water heater in the duct. Connect pipes, 2/3– way valve and actuator. Important Do NOT use 24V DC power output from the connection board for valve actuator. 2. Connect actuator (S) to any free analog output. Fig. 10 Water heater connections 3. The frost protection sensor (FPT) should be strapped on a surface on the return water pipe. Connect FPT sensor to any free analog input. 4.
Accessories | • WC — water cooling battery • SAT — supply air temperature sensor • S — valve actuator • 1 — Outdoor air • 2 — Supply air • 3 — Extract air • 4 — Exhaust air Component/product — Article number: • RVAZ4 24A Actuator 0-10V (S) — 9862 • Duct sensor -30-70C (SAT) — 211524 VSR 300: VSR 500: CWK 160-3-2,5 Duct cooler,circ — 30022 CWK 200-3-2,5 Duct cooler,circ — 30023 ZTV 15-0,4 2-way valve — 9829 ZTV 15-0,6 2-way valve — 6571 ZTV 15-0,6 2-way valve — 6571 ZTV 15-1,0 2-way valve — 9823 ZTR
40 | Accessories 7.3.4 Change-over coil for heating/cooling function Change-over coil can be used for both heating and cooling based on the demand. Important The change-over (heating/cooling) system can be implemented in many different ways and may vary in each household. This description explains the most common solution for connecting and controlling heating and cooling with a water coil and a heat pump.
Accessories | Fig. 12 Change-over heating/cooling connections Configuration Before change-over heating/cooling can be activated, all components must be configured in the control panel. 1. Go to Service menu 2. Enter password (default 1111) 3. Go to Components menu, select Heater menu and select type as Change-over. Do advanced settings if necessary. Go to Components menu, select Cooler menu and select type as Change-over. Do advanced settings if necessary. 4.
42 | Accessories • VSR 300: SPI-160 C Iris damper — 6753 • VSR 500: SPI-200 C Iris damper — 6754 Installation and connection • Follow instructions in the manual which is delivered with the accessory. 7.5 7.5.1 Installation/Maintenance Outdoor/Exhaust air dampers If manual fan stop is activated, the unit should be provided with dampers in exhaust and outdoor ducts to avoid cold draught and risk of condensation when the unit has been stopped.
Accessories | Note: 24 VAC dampers can be powered and controlled only by using a relay mounting kit with a transformer (article number: 153548). This installation procedure describes how to connect dampers powered by 230 V~ with a relay mounting kit without transformer (article number: 153549). Installation and connection 1. Install dampers (U/V). 2. Connect control signal wires (24V, DO) coming out from the relay box (RL) to any free digital output on the connection board (CB). 3.
44 | Accessories 1. A differential pressure switch 2. Metal tube 3. Exhaust air direction 4. Exhaust air duct 1. Mount a differential pressure switch in a suitable place, for example on or near the outlet duct from the kitchen fan. Set the pressure switch to the lowest possible pressure, for example 20 Pa. 2. There are two possible installation cases. A pressure switch tube is installed in the duct: a.
Accessories | Note: • If the 24 V power supply on the connection board (CB) is used for other equipment, the number of control panels that can be powered from the unit will decrease. • A single active control panel draws 50 mA. The connection board supplies up to 250 mA. If no other accessories use 24 V power supply from the unit, up to 5 control panels can be connected without a need of external power supply. In order to connect more than 5 control panels, an external power supply is required.
46 | Accessories Component/product — Article number: • Presence detector/IR24 — 6995 Configuration 1. Go to Service menu 2. Enter password (default 1111) 3. Go to Input menu. Select UNIVERSAL tab. 4. Select the universal input to which wire from the presence detector is connected. If, for example, it is connected to UI3 on the connection board, then select UNIVERSAL INPUT 3. Set signal type as Digital Input and select your desired function.
| v1_1.12.
Phone +370 340 60165 Fax +370 340 60166 www.systemair.com SAVE VSR 300/500 · · · en_GB · 2020-03-10 · v1_1.12.0 Systemair UAB Linų st.
