Topvex FR800, FR1600, FR3800 Compact Air Handling Unit Operation and Maintenance Instructions Item# : 400895 2022-05-13
Contents 1 Warning........................................................................................................................................................1 2 Product description.......................................................................................................................................2 2.1 Internal components Topvex FR800-3800..........................................................................................2 2.2 Description of internal components...........
11Warning Warnings The following admonitions will be presented in the different sections of the document. The following admonitions will be presented in the different sections of the document.
2 Product Description 2.1 Internal Components Topvex FR800-3800 2 6 5 7 1 10 8 10 B D C A 3 9 13 13 4 12 11 Fig. 1 Topvex FR components Table 1: Components descriptions EL and HW units Position Description Symbols A Connection outdoor air. B Connection supply air. C Connection extract air. D Connection exhaust air. 1 Fan supply air. 2 Fan extract air 3 Filter extract air. 4 Filter outdoor air. 5 Heat exchanger. 6 Rotor motor. 7 Rotor belt.
2.2 Description of Internal Components 2.2.1 Supply and Extract Air Fans The fans have external rotor motors of EC type which can be steplessly controlled individually 0 - 100%. It is possible to program the speed in 2 steps (normal/reduced) depending on the programming of the week schedule. The motor bearings are life time lubricated and maintenance free. It is possible to remove the fans for cleaning (chapter 5). 2.2.1.
• Supply air sensor • Extract air sensor • Outdoor air sensor • Exhaust air sensor • Extra unit sensor1 1 . Only if pre heater is installed In Topvex FR800-3800 all temperature sensors are mounted and wired inside the unit except for the supply air sensor, which is delivered uninstalled with the unit and needs to be installed in the supply air duct externally from the unit. See Installation instruction for more detailed information. 2.2.
2.3 Internal components Electrical connection box Danger • Make sure that the Main power supply to the unit is disconnected before performing any maintenance or electrical work! • All electrical connections must be carried out by an authorized installer and in accordance with local rules and regulations. 3 6 1 13 7 11 4 5 2 8 9 10 12 Note: Electric heater section. (Present in EL units only) Fig.
3 Interface Description 3.1 Control Panel The SCP control panel is delivered with a 32 ft. (10 m) cable that is connected to the panel and with a fast coupling contact, connected to the Topvex unit. The contact is connected to the Corrigo™ controller in the electrical connection box (pos.1, figure 3). The cable can be unscrewed in the back of the control panel (figure 4). 3.1.1 Operating the control panel 1 7 2 6 8 3 4 9 5 11 10 13 12 Fig.
use UP or DOWN to place the cursor at the menu you wish to access and press RIGHT. If you have sufficient log on privileges the display will change to the menu you have chosen. At each level there may be several new menus which you move through using UP/DOWN. Sometimes there are further sub menus linked to a menu or menu item. This is indicated by an arrow symbol at the right-hand side of the display. To enter a menu, press RIGHT again. To step back to previous menu level, use LEFT. 4 Commissioning 4.
4 Normal speed Set the weekday (Monday-Friday) schedule for normal speed. It’s possible to set 2 periods per day. Monday → Friday Per 1: 07:00 - 16:00 Per 2: 00:00 - 00:00 5 Normal speed Set the weekend and holiday schedule for normal speed. It’s possible to set 2 periods per day Saturday → Holiday Per 1: 00:00 - 00:00 Per 2: 00:00 - 00:00 6 Reduced speed Set the weekday (Monday-Friday) schedule for reduced speed. It’s possible to set 2 periods per day.
4.3 Menu overview OPERATOR/SERVICE LEVEL The menu overview below shows both the Operator and Service level. The overview of the parts unique to the Service level in the table below are marked with grey background color. To logon to the Service level use code 2222 under Access rights. Main menu item Sub-menu item 1 Sub-menu item 2 Explanations FR 800 EL Start screen headline. 2011-03-15 9:00 Can be set to 5 different layouts.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Frost protection Shows the status of the frost protection function. Active Shows the status of the cooling recovery function. Cooling recovery No External set point → Alarm events Shows the status of the external set point. Not active Shows all registered alarms along with the time and date they occurred. Move down and up in the list by pressing ↑↓. → Input/ Output → Analogue inputs Shows the status of the Analogue inputs.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Frost protection Actual: Shows the actual water temperature in the water heating coil. (Only visible for HW units). °F Exhaust air temp Actual: Shows the actual exhaust air temperature. °F Efficiency Shows the actual heat recovery efficiency. Exchanger Actual: The function calculates the heat exchangers temperature efficiency in % when the output signal to the exchanger is higher than 98% and the outdoor temperature is lower than 50°F.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Flow control EAF Set the normal (1/1) and reduced (1/2) airflow for the extract air fan. Setp 1/1: 647.4 CFM Setp 1/2: 323.7 CFM↓ Outdoor comp.Setp. 1 -4°F = 5.9 CFM 32°F = 0 CFM Act. CFM Comp: 0 Set the EAF airflow compensation for the settable outdoor temperature. The outdoor compensation is linear and is set using two parameter pairs which give the value of the compensation at two different outdoor temperatures.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Pressure control EAF Set the external pressure set point for normal speed (1/1) and reduced speed (1/2) for the supply air fan. Setp 1/1: in.wg 1.0 Setp 1/2: in.wg 0.4 Outdoor comp.Setp. 1 -4°C = 0 in.wg 50°C = 0 in.wg Act. in.wg Comp: 0 Set the EAF pressure compensation for the settable outdoor temperature.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations → Holidays Holidays (mm:dd) Set up to 24 separate possible holiday periods for a full year. 1:01-01 – 01-02 A holiday period can be any number of consecutive days from one and upwards. 2:09-04 – 09-10 3:01-05 – 01-05 The dates are in the format: MM:DD When the current date falls within a holiday period, the scheduler will use the setting for the weekday “Holiday”.
Main menu item Sub-menu item 1 Sub-menu item 2 Exchanger Explanations Set the exchanger rotor control to Auto, Manual or Off. Auto Set the manual output 0-100%. Manual set: 0.0 Cooling Set the cooling to Auto, Manual or Off. Auto Set the manual output 0-100%. Manual set: 0.0 Note: Needs to be activated in order to be visible here. P1-Heating Set the pump control for the heating coil to Auto,On or Off. Auto P1-Exchanger Set the pump control for a possible run around coil to Auto,On or Off.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations → Control temp Supply air control Set P-band and I-time for the Supply air control function. P-band: 91.4°F Note: I-time: sec 100.0 Room control P-band: 212°F I-time: sec 300.0 Shutdown mode P-band: 91.4°F I-time: sec 100.0 → Frost protection Active Setp shutdown: 77.0°F P-band active: 41.0°F Fast stop at frost protection alarm → Control flow . Yes Flow control SAF P-band: 5885.8 CFM I-time: 10.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Flow control EAF Set P-band, I-time and Min. output for the Extract air fan when the unit comes configured as Flow control from factory. Alternatively Pressure control is that configuration is chosen. P-band: 5885.8 CFM I-time: 10.0 sec → Alarm settings Min. output: 0% → Alarm limits Set the alarm limits and allowed deviations for the different functions.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations Outd. night temp High: 59.0°F Set the upper outdoor night temperature limit for the activation of the free cooling function. Low: 41.0°F Room temp min. 64.4°F Set the lower outdoor night temperature limit for the activation of the free cooling function. Set the lower room temperature limit. The temperature needs to be above this value for the free cooling function to stay active.
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations → C02/VOC Control C02/VOC active In applications with varying occupancy the fan speeds can be controlled by the air quality as measured by C02/VOCsensor. See encl. corrigo manual (CD) for det. explanation Never Type: Fan Min. time: min 60 Set active to Never, Always or If time channel off. Set what should be regulated. Select type Fan Set the min.
→ Log off → Change password Log off No Log off from system level by changing “No” to “Yes” with the “OK” and “UP/DOWN” buttons Actual level: None Automatic logoff after 6 minutes of inactivity. Change password for Set a new password for the level of your choice. level:None Can only be done once logged on to the service level. New password xxxx 4.4 Free Cooling Description This function is used during the warm period to save energy by using cold outdoor air, e.g.
4.5 Cooling Recovery If the extract air is colder than the outdoor air and cooling is required, the heat exchanger control is reversed in order to return the cool extract air. Note The following is only valid if the cooling recovery function is set to Active in the program menu. 4.
Warnings 51 Maintenance The following admonitions will be presented in the different sections of the document. 5.
5.3 Maintenance Instructions 5.3.1 Changing Supply/Extract Air Filter The bag filter cannot be cleaned and must be changed when necessary. New filters can be ordered from Systemair. Operation time between filter changes depends on the air pollution at the installation site. A differential pressure switch indicates when it’s time to change the filters. This will trigger an alarm in the control panel. When this occurs do the following: 1. Replace the filters with new ones as described below. 2.
4 A B Changing pre-filter (only when pre-heater is installed A - EL Pre-Heater B - HW Pre-Heater 5 Insert the new filter and fasten it against the inlet seal with the filter support bars. Make sure the filter is fitted tight all around the frame. 5.3.2 Checking the Heat Exchanger After a long time of use dust may built up in the exchanger (pos. 5, figure 1) and block the air flow. It is important to clean the exchanger regularly to maintain high efficiency.
The following admonitions will be presented in the different sections of the document. Danger 3 • Make sure that the Mains supply to the unit is disconnected before performing any maintenance or electrical work! • All connections be of carried Slide out electrical the exchanger block untilmust the end the out in accordance with local rules and regulations. tracks. Warning The exchanger is heavy.
5.3.3 Checking the Fans Even if the required maintenance, such as change of filters, is carried out dust and grease may slowly build up inside the fans (pos.1 and 2, figure 1). This will reduce the efficiency. The fans can be dismounted by loosening the 4 screws on the fan casing (figure 5). Topvex FR1600-3800 have a fan support bracket that needs to be removed by loosening the 4 screws. The fans may be cleaned with a cloth or a soft brush. Do not use water.
5.3.8 Checking the Duct System Dust and grease settlements may build up in the duct system even if filters are changed regularly. This will reduce the efficiency of the installation. The ducts should therefore be cleaned/changed when necessary. Steel ducts can be cleaned by pulling a brush, soaked in hot soapy water through the duct via diffuser/ louvre openings or special inspection hatches in the duct system (if fitted). 5.3.
5.4 Troubleshooting Should problems occur, please check or correct the following before contacting your service representative. Always check if there are any alarms active in the control panel. See section 4.3 to learn how to navigate through the control panel menu. For more information on the alarm designations go to the Systemair website (www.systemair.com/na/North-America/) and download the controller user manual. 1.
6 Service Before calling your service representative, make a note of the specification and production number from the type label (figure 6). 2 1 4 3 Fig. 6 Type label Table 5: Label description Position Description 1 Model number 2 Item number 3 Date of manufacturing (DOM) 4 Serial number Topvex FR800, FR1600, FR3800 Operation and Maintenance Instructions 29 Systemair Inc.
Systemair Inc. reserves the right to make changes and improvements to the contents of this manual without prior notice. Systemair Inc. 50 Kanalflakt Way Bouctouche, NB E4S3M5, Canada Phone +1 800 263 7081 10048 Industrial Blvd KS, 66215 United States Phone +1 800 263 7081 service@systemair.net www.systemair.
