VENTS VENTS-US ERV 120s Use and Care Manual
Contents
1. dr SERVICING AND MAINTENANCE Servicing of the unit is required 3 4 times per year Besides general cleaning the following operations are required 1 Filter maintenance 3 4 times per year Dirty filters increase air resistance in the system and reduce supply air flow to the premises Clean or replace the filters as often as required but at least 3 4 times per year Clean the filter with running water or a vacuum cleaner After two cleaning replace the filter Contact your local supplier for new filters 2 Heat recovery core maintenance once per year Some dust can get accumulated on the heat recovery core block even if you clean or replace the filters regularly in compliance with above procedure To maintain the high heat exchange efficiency regular cleaning is required To clean the paper heat and energy recovery core of the unit Vents Frigate ERV 1205 pullt it out of the unit and clean it with a vacuum cleaner Do not use water sharp objects abrasive detergents and aggressive solvents to prevent the heat recovery core damage Make sure that the heat and energy recovery core is dry and re install it back inside the unit To clean the aluminium heat recovery core of the unit Vents Frigate HRV 120 S pull it out of the unit and clean the heat recovery core with warm2. Fig 9 CO transmitter 3 Humidistat The humidistat fig 10 is used for indoor humidity control If the indoor humidity exceeds the setpoint the humidistat switches the ventilation to high speed mode The unit operates in high speed mode until humidity drops to setpoint Adjust the humidity setpoint if required A Check that the humidistat closes contact if indoor humidity exceeds the setpoint and breaks contact if the indoor humidity is below the setpoint Fig 10 Humidistat 4 Mechanical timer The remote mechanical timer fig 11 is designed for installation in pollutable areas As the timer is activated the unit is switched to high speed mode You can connect up to 5 timers in the premise at 500 feet 152 m distance to the unit Fig 11 Mechanical timer 5 Switch The switch fig 12 is designed for indoor installation in pollutable areas As the switch is activated and the contacts are closed the unit is switched to high speed ventilation mode To reset the unit to continuous low speed operation press the switch to break the contacts Frigate HRVERV 120 S z Connect all the above external controls in compliance with the wiring diagram in fig 13 The terminals 2 and 11 are designed for connection up to five control devices
3. Heat Energy Recovery Ventilator Vents Frigate HRV 120 S Vents Frigate ERV 120 S Frigate HNVERV 120 8 CONTENT Introduction Application Delivery set Unit designation key Technical data Safety requirements Structure and operating logic Mounting and setting up Condensate drainage Connection to power mains Unit control Servicing and maintenance Troubleshooting Storage and transportation rules Manufacturer s warranty Acceptance certificate Connection certificate Warranty card TT INTRODUCTION This user s manual combines technical description operation and service manual technical data sheet and installation guidelines for the heat energy recovery ventilator Vents Frtigate HRV ERV 120 S hereinafter referred to as the unit APPLICATION The unit with heat energy recovery is designed to save thermal energy by means of heat and energy recovery and is one of the energy saving components used in the buildings and premises The ventilator is a component unit and is not designed for independent operation The unit is designed to provide permanent controlled air exchange by mechanical ventilation in houses offices hotels caf s conference halls and other residential and public premises as well as utilization of extract air heat energy to warm up supply purified air The unit is for ceiling mounting and wall mounting only for V
4. Vapors or particles which can cause corrosion or damage the insulation or connection tightness are not allowed in the stock Use hoist equipment for loading and storage operations to prevent the unit falling or excessive oscillation Transportation with any vehicle type is allowed provided that the goods are protected against mechanical and weather damage MANUFACTURER S WARRANTY Manufacturer hereby guarantees normal performance of the unit within 2 years since the date of its sale in accordance to the rules of transportation storage assembling and operation In case of no confirmation of sales date the warranty period is calculated from the production date In case of any unit operation malfunctions during the warranty period the manufacturer accepts any claims from the Customer if the technical certificate with detailed description of the malfunction is provided The unit damage as a result of any unauthorized modifications of the electric circuit is not a warranty case Both warranty and post warranty services for the unit are provided at the manufacturing facility For warranty and post warranty services contact your seller or the product manufacturer RECLAMATIONS AND CLAIMS FOR REPLACEMENT SHALL NOT BE ACCEPTED WITHOUT A COMPLETED CONNECTING CERTIFICATE VENTS Frigate HRVIERV 120 8 ACCEPTANCE CERTIFICATE Acceptance certificate The heat energy recovery ventilator VENTS Frigate HRV ERV 120 S is recogniz
5. detergent solution Make sure that the heat recovery core is dry and re install it back inside the unit 3 Fan maintenance once per year Even if you perform regular maintenance of the filters and the heat recovery core some dust and grease can get accumulated inside the fans and reduce the fan performance and supply air flow Clean the fans with a soft brush or dry cloth No water and abrasive detergent sharp objects or solvents are allowed for cleaning to prevent the impeller damage 4 Condensate drainage system maintenance once per year The drain hose can get clogged with the extracted particles Clean the drain hose is required Check proper functioning of the drain system by pouring some water into the drain pan at the unit bottom Clean the U trap and the drain tubes if required 5 Supply air flow inspection twice per year Leaves and other objects can clog the intake grille and decrease the unit performance and supply air flow Check the intake grille twice per year and clean it if required 6 Air ductwork maintenance once in 5 years Even if you fulfill all the above maintenance guidelines regularly a certain amount of dust is accumulated inside air ducts That reduces the ventilation system performance Clean or replace the air ducts periodically Frigate HRVERV 120 S TROUBLESHOOTING Power supply is off Thermal fuse is melted The extract filter is clogged The heat recovery core is frozen
6. insulate the drain system and provide air heating min 3 4 5 lue n Er fig 5 Condensate drainage ETT CONNECTION TO POWER MAINS Cut power supply off before any operations with the unit The unit shall be connected to power mains by a duly qualified electrician only Rated values of the electrical parameters are shown on the rating plate Any modifications of the internal connections are not allowed and will void the warranty The unit is designed for connection to single phase ac 120 V 60 Hz power mains The unit is equipped with a power cable and a plug and can be connected to any standard grounded outlet The power cable is connected to the terminal X1 by default Connect the unit to power mains through the external automatic switch integrated into the fixed wiring system that breaks the circuit in case of short circuit or overload Install the circuit breaker to have a free quick access in case of need to turn the unit off promptly The unit has overload protection provided by the thermal fuse which is activated in case of overload or short circuit To replace the thermal fuse disconnect the unit from power mains remove the overload or short circuit Remove the thermal fuse and check the unit Wiring diagram is shown in fig 6 The thermostat TS1 fig 6 provides freezing protection of the unit during cold season As the thermostat is activated
7. the remote control panel The following controls may be connected to the unit 1 1 Remote control panel SAS908PIT digital thermostats Remote control panel SAS908PIT digital thermostats fig 8 provides the function Switching the unit on off Setting required air flow Displaying indoor temperature 55 SONG ool I C D ROOM TEMP f 05 E z amp JE Te z E 2 3 TO SYSTEM FAN SPEED ae S AUTO HIGH MED LOW 12 v re 43 Fig 8 Control panel SAS908 The control panel has the following buttons On off button Not active Fan speed control adjustment auto high med low Not active Not active Not active Heating power scale Heating power value Not active Temperature measuring unit Not active Selected fan speed Not active Indoor temperature QNAURWUNS er ero Ha SO To turn the unit on off press the button 1 Required fan speed air flow is set by means by consecutive pressing the button 3 The speed settings are displayed on the control panel 12 The indoor temperature indicator 14 displays indoor temperature 2 CO transmitter The CO transmitter Tongdy CO fig 9 is designed for use in offices and other public premises It switches fans to higher speed as CO indoor concentration exceeds setpoint B DENIS Frigate KRVIERV 120 S CQ Transmitter
8. Too low set rotation speed The filters fans or heat recovery core are clogged The ventilation system is clogged or damaged The impeller s is are clogged Fan screw tightening is loose The drain system is clogged damaged or wrong arranged Possible malfunctions and fault handling Make sure the power supply line is connected correct otherwise troubleshoot the connection error Disconnect the unit from power mains Remove the overload Replace the thermal fuse and check the unit Clean or replace the extract filter Check the heat recovery core condition Shutdown the unit and turn it on after the freezing danger is no longer imminent Check the thermostat setpoints Check the speed control settings Clean or replace the extract filters clean the fans and the heat recovery core Check the diffusers and louvre gravity shutters opening check the exhaust hood and intake grille and clean those if required make sure that the air ducts are not clogged or damaged Clean the fan impeller s Check and tighten the screws if required Clean the drain pipe is required Check the drain pipe slope U trap and temperature conditions TET STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer s original packing box in a ventilation premise with the temperature range from 14 F 10 C up to 104 F 40 C and relative humidity less than 60 at 68 F 20 C
9. d heating costs Both sensible thermal energy and latent moisture energy contained in the extract air are transferred in the Vents Frigate ERV 120 S unit heat recovery core to the cold intake air flow from outside to warm it up before supplying to the room The paper heat recovery core of the unit Vents Frigate ERV 120 S operates as a moisture balancer in case of too low outdoor humidity or as an air dryer in case of high outdoor air humidity Due to high hygroscopic features of the heat and energy recovery core material the unit does not need condensate drainage Application of the heat exchanger provides decreasing thermal energy losses and heating costs saving during cold season INTAKE AIR fan EXTRACT AIR SUPPLY AIR EXHAUST AIR gt Fig 2 Unit structure and operating logic Frigate HRV ERV 120 8 ETT 1 and integrated thermal protection 2 Extract fan with backward curved blades and maintenance free motor with external rotor and integrated thermal protection 3 Plate cross flow heat recovery core Vents Frigate ERV 120 S paper heat recovery core Vents Frigate HRV 120 S aluminium heat recovery core 4 G4 supply air filter 5 G4 extract air filter 6 Frost protection thermostat 7 Control block 8 Drain pan for Frigate HRV 120 S only 9 Drain hose for Frigate HRV 120 S only Mount the unit to ceiling by means of the be
10. ed serviceable and compliant with the technical parameters Stamp of the acceptance inspector Date of production Sold by Name of the vendor stamp of the shop Sale date CONNECTION CERTIFICATE This is to certify that the heat energy recovery ventilator VENTS Frigate HRV ERV 120 S has been connected to power mains pursuant to the requirements stated in this User s Operation Manual by the electrical engineer Company name Electrical engineer name Date Signature WARRANTY CARD CERET nunnu m u uuuuuuunun uuuuna one uumununnn uuunuunu ETET EET uuuuuuuunummn 7 mm moon PEETI TEETE oon uumuununnunn nun TEETE m EEEE PTTTELELEE uuusnnnn a m n onan ann ann uunnnn ann ua EEEE m m m n m 7 a on oon oon ann TITTET uunEnunnn EEEE oon oon ann nnu mon ann mnu oon anon nmmn Sooo oman
11. ents Frigate ERV 120 S The unit is rated for continuous operation always connected to power mains Transporting medium must not contain any flammable or explosive mixtures evaporation of chemicals coarse dust soot and oil particles sticky substances fibrous materials pathogens or any other harmful substances As The unit is not designed to be used by children physically or mentally disabled persons persons with sensory disorder persons with no appropriate experience or expertise The unit can be operated by qualified experts after appropriate instruction about its use and operation The unit shall be mounted in places inaccessible for children DELIVERY SET Unit Vents Frigate HRV ERV 120 S 1 pce User s manual 1 pce Packing box 1 pce TET Frigate HRV ERV 120 8 UNIT DESIGNATION KEY Frigate HRV ERV 120 Mounting design modification S suspended Air capacity CFM Unit type HRV Heat Recovery Ventilator ERV Energy Recovery Ventilator enthalpy TECHNICAL DATA The heat energy recovery ventilator is designed for indoor application with the ambient temperature ranging from 34 F 1 C up to 122 F 50 C and relative humidity up to 80 Ingress Protection rating m IP44 for the unit motors m IP 22 for the assembled unit connected to air ducts The Vents Frigate HRV 120 S unit net weigh
12. er mains make sure that the unit is free of any visible damages or any other foreign objects inside the casing that can damage the impeller blades Connection of the unit to power mains by duly qualified and authorized electricians only Warning Mounting servicing connection and repair works of the unit are allowed after the unit is disconnected from power mains DEMS Do not Do not operate the unit beyond the specified temperature range or in an aggressive and explosive medium Do not connect clothes dryers or similar equipment to the ventilation system Do not operate the unit in the air and dust mixture environment STRUCTURE AND OPERATING LOGIC The unit has the following operating logic fig 2 Warm stale extract air from the room flows through the air ducts to the unit is purified in the extract filter and is supplied to the heat recovery core and exhausted outside by exhaust fan Clean cold air from outside is moved by supply fans to the unit where it is purified through the supply filter Then clean air flows through the heat recovery core and is supplied to the room by supply fan Thermal energy of warm extract air is transferred to clean intake fresh air and warms it up The extract and intake air flows are fully separated during heat recovery which excludes any transfer of odors and pathogens to supply air Heat recovery minimizes thermal energy losses energy demand an
13. lts that are rigidly fixed to horizontal plane fig 3 or with threaded rods fixed inside the dowels attached to the ceiling The unit may be mounted to the wall with a suspension bracket fig 4 that is fixed to the unit with three screws and dowels only for the unit Frigate ERV 120 S Supply fan with backward curved blades and maintenance free motor with external rotor MOUNTING AND SETTING UP While mounting the unit provide enough access for the unit maintenance and servicing Fig 3 Ceiling unit mounting example DENTS Frigate KRVIERV 120 S This installation example is applicable only for Vents Frigate ERV 120 S Fig 4 Wall unit mounting CONDENSATE DRAINAGE The Vents Frigate HRV 120 S unit is equipped with a condensate drain hose for condensate drainage fig 5 Connect the drain hose 1 U trap 3 and drain system 5 with metal plastic or rubber pipes 2 and 4 The pipes must be sloped down at least by 3 Before starting operation of the unit fill the system with water and check that U trap is always filled with water Make sure that the water drainage is correct otherwise some condensate may be accumulated inside the unit and provoke subsequent equipment damage and water ingress to the room The condensate drainage system is designed for operation at the ambient temperature above 32 F 0 C If the ambient temperature is below 32 F 0 C
14. t is 53 Ibs 24 kg the Vents Frigate ERV 120 S unit net weight is 51 Ibs 23 kg The unit series designation basic overall and connecting dimensions external view technical data are shown in fig 1 and in tables 1 and 2 The unit design is regularly being improved so some models can slightly differ from those ones described in this manual anana e EI SEI fl EL EE SE PEPE FSP PE F PP PES Sro 98 ek SS SON CH SCOR SCS SON H SG Ss g gQ o als wka al ea ae e w ea E g F 23 8 71 067 65 60 55 49 43 37 30 23 E pA u 120V a 3 60Hz n 65 Sil 41 25 12 Er amp z N 7 o z 2 FE stenlenlaal l alelalealelele 04 The maximum allowable air parameters for the paper heat recovery core are stated in the table 2 TT Relative humidity 9 80 Warranty service life is 2 years Service life r PENT Operating service life is 5 years Vents Frigate HRV 120 S 1 2 L r 11 16 51 1 d 10 20 1 16 23 1 8 Q 5 51 16 10 MIE KDE 23 1 8 Fig 1 Overall and connection dimensions 24 7 8 SAFETY REQUIREMENTS While operating and mounting unit fulfill the requirements of the present operation manual as well as general requirements of all applicable codes and standards valid in USA and Canada Ground the unit Before connecting the unit to pow
15. the supply fan stops and the heat recovery core is warmed up with extract air stream To adjust the thermostatic switch rotate the control dial to required setpoint The setpoint depends on the operating conditions Recommended setting of the thermostat is 37 F 3 C set in the factory by default Setup of Low Setup of Med Low Y Stand by Med 5 M FAN MOTOR 6 M2 FAN MOTOR X4 Two wire O control O 2 Eks termostat ig 6 Unit wiring diagram TET Frigate HRVIERV 120 S UNIT CONTROL The unit is controlled by a three position speed switch that enables low speed modes Low and Med as well as Stand by mode which enables total air quality control fig 7 Up to five external control devices may be connected to the terminals 2 11 that turn the unit to high speed ventilation in case of activation of any of the control devices fig 6 Terminals for connection of the remote control panel STANDBY Three speed switch ig 7 Unit control Switch the three position speed controller to Standby mode for correct operation from
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