PRO250 & PRO225 Installation and User Guide (08305
Contents
1. rmt teatri er rea 4 9 Connecting Insulated Ducts to Exterior Ports 440 Connecting th Draih eret d ee B CONTROLS ic LLLI ir eMe 5 1 Integrated COnll l ai eee e rh Id Pride 5 2 Controls Connection to ihe Unil niensis 5 8 Main Control Installation esee attinent 6 OPERATING CONTROLS 6 1 Breeze Main Control PRO250 only 6 2 11136 Main Control PRO225 only essen 6 3 20 minute Lighted Push Button Optional Auxiliary Control PHO250 amp PRO225 ate etie Tes MAINTENANCE 7 1 Regular Maintenance 7 2 Annual Maintenance 8 TROUBLESHOOTING nnne nna nnmnnn nnmnnn nnn Congratulations You have made an excellent choice The operating principle of your Heat Recovery Ventilator will protect your house and give you personal comfort you have never known before We have prepared this Manual especially for you Please read it carefully to ensure you obtain full benefit from your Heat Recovery Ventilator unit Please take note this manual uses the following symbols to emphasize particular information A WARNING Identifies an instruction which if not followed might cause serious personal injuries including possibility of death CAUTION Denotes an instruction which if not fol2. N WARNING Always disconnect the unit before making any connections Failure in disconnecting power could result in electrical shock or damage of the control or electronic module inside the unit Use the terminal connector included in the installation kit to perform the electrical connection for control Check if all wires are correctly inserted in their corresponding holes in the terminal block A wire is correctly inserted when its orange receptacle is lower than another one without wire On picture beside wire A is correctly inserted but not wire B ego ele VE0180 5 CONTROLS CONT D 5 2 CONTROLS CONNECTION TO THE UNIT conr 5 2 2 11136 Main PRO225 onLv Noc Jogo v In BEEENNEERBEN 5 2 3 20 MiNUTE LIGHTED PUSH BUTTON OPTIONAL AUXILIARY CONTROL PRO250 amp PRO 225 Noc pct n e 8 LET DELLI Once the control s connection has been made insert the terminal connector under the unit on the recessed side of the electrical compartment TERMINAL CONNECTOR 15 5 CONTROLS CONT D 5 3 Main CONTROLS INSTALLATION For more convenience the PRO250 and PRO225 units can also be controlled using the included main controls the Breeze main control for the PRO250 unit and the 11136 main control for the PRO225 unit A WARNING Always dis
3. Close to a drain If no drain is close by use a pail to collect run off Away from hot chimneys electrical panel and other fire hazards Allow for a power source standard 3 prong grounding outlet 4 3 TOOLS AND MATERIALS Robertson no 2 or Caulking gun with a tube of silicone Phillips no 2 screwdriver sealant Cutter pliers Metal shears if the exterior covering is Drill aluminum or vinyl Jig saw Chisel and hammer if the exterior covering Duct tape is brick 4 4 How To HANG THE UNIT Use the 4 chains and springs from the hardware pack included with the unit to hang the unit to ceiling joists CAUTION Make sure the unit is level VD0204 4 UNIT INSTALLATION CONT D 4 5 PLANNING OF THE DUCTWORK Keep it simple Plan for a minimum of bends and joints Keep the length of the insulated ducts to a minimum Do not use wall cavities as ducts Do not use branch line smaller than 4 102 mm diameter Do not ventilate crawl spaces or cold room Do not attempt to recover the exhaust air from a dryer or a range hood this will cause the clogging of the unit Be sure to plan at least one exhaust register on the highest lived in level of the house if it has 2 floors or more 4 6 INSTALLING NON INSULATED FLEXIBLE DUCTS AND REGISTERS CAUTION If ducts have to go through an unconditioned space always use insulated ducts purchase separately 4 6 1 STALE AiR EXHAUST DUCTWORK VASA
4. 6 1 BREEZE MAIN PRO250 NOTE The integrated control must be turned OFF to use this control AIR EXCHANGE INDICATOR Humipity CONTROL KNOB AUTOMATIC INDICATOR Minimum SPEED INDICATOR RECIRCULATION INDICATOR PusH BUTTON EXCESS HUMIDITY INDICATOR VC0109 ADJUSTING AIR SUPPLY CONTROL 1 Select RE CIRC MIN or AUTO using the push button When RE CIRC is selected the recirculation indicator lights up If the humidity control knob is set to the left of the click the unit will recirculate air on high speed and if it is set to the right of the click the unit will exchange air on high speed with the outside until the desired humidity level has been reached During this time the excess humidity and air exchange indicators will be lit e When MIN is selected the minimum speed and air exchange indicators light up If the humidity control knob is set to the left of the click the unit will exchange in low speed with the outside and if it is set to the right of the click the unit will exchange air on high speed with the outside until the desired humidity level has been reached During this time the excess humidity indicator will be lit When AUTO is selected the automatic indicator lights up If the humidity control knob is set to the left of the click the unit will turn OFF for the first 40 minutes and operate on air exch
5. unit Use the push button 1 to control the unit The LED 2 will then show on which mode the unit is in SEE PAGES 17 amp 18 FOR UNIT OPERATION BOTTOM OF THE UNIT Refer to table below to see how to operate the unit using its integrated control PRESS oN PusH BUTTON LED CoLonR REsuLTS ONCE AMBER UNIT IS ON Low SPEED TWICE GREEN UNIT IS ON HIGH SPEED THREE TIMES No LIGHT UNIT is OFF 5 CONTROLS CONT D 5 1 INTEGRATED CONTROL cont p If a problem occurs during the unit operation its integrated control LED 2 will blink The color of the blinking light depends on the type of error detected Refer to Section 8 Troubleshooting on page 20 for further details Boor SEQUENCE The unit boot sequence is similar to a personal computer boot sequence Each times the unit is plugged after being unplugged or after a power failure the unit will perform a 30 second booting sequence before starting to operate During the booting sequence the integrated control LED will light GREEN or AMBER for 5 seconds and then will shut off for 2 seconds After that the LED will light RED for the rest of the booting sequence During this RED light phase the unit is checking and resetting the motorized damper position Once the motorized damper position completely set the RED light turns off and the booting sequence is done NOTE No command will be taken until the unit is fully booted 5 2 CONTROLS CONNECTION TO THE UNIT
6. CONT D 6 2 11136 Main ContRoL PRO225 NOTE The integrated control can be turned OFF no light or at Minimum speed amber led to use this control USING THE HUMIDITY LEVEL SELECTOR Winter outside temperature between 5 C and 30 C C Position the selector between 50 and 25 pointing approximately to the corresponding outside temperature f there is condensation or frost on the windows then lower the humidity level by 1 to 2 every 24 hours until the condensation has evaporated Do not go lower than 25 the air will become too dry for human comfort Spring and Fall vec ua Position the selector anywhere between 75 and 5096 higher on warm days lower on cold days J If certain periods during the spring and fall seem coos more like winter follow the instructions given for humidity control during the winter Summer Position the selector at 80 during the day Lower the selector to 20 to introduce cool fresh air into the house during certain summer nights IMPORTANT EXPLANATIONS ABOUT HUMIDITY LEVELS The comfort level for human beings is between 30 and 45 relative humidity To measure the present humidity level in your house proceed as follows Turn the dial to 80 Turn the dial slowly clockwise until you hear a click The dial will then be pointing to the value for the present humidity level precision of 596 Turn the selector to th
7. ESH AIR FROM OUTSIDE 0 C 32 F FRESH AIR TO BUILDING STALE AIR TO OUTSIDE 18 C 64 F 4 C 39 F VF0015 1 3 RECIRCULATION PRO250 During the recirculation mode this unit stops to exchange air with the exterior Continuous recirculation is thus undertaken inside the home and insures the purification of the ambient air Two mechanical filters trap the large dust particles those visible to the eye 2 DIAGRAMS OF AIRFLOWS The direction of the airflows is indicated in each of the following diagrams Please note that the stale air never mixes with the fresh air STALE AIR FRESH AIR STALE AIR FRESH AIR TO OUTSIDE FROM OUTSIDE FROM BUILDING TO BUILDING DURING AiR EXCHANGE VF0045 STALE AIR FILTERED AIR FROM BUILDING BUILDING DURING DEFROST MODE OR RECIRCULATION PRO250 VF0046 3 DESCRIPTION OF THE UNIT 8 9 VL0035 Exhaust port Fresh air port Stale air intake port Distribution port Main damper Secondary damper Automatic defrost unit Adjusting tools 2 Mechanical filters 2 10 Heat recovery core 11 Blowers 2 12 Condensation tray 13 Electrical cord 14 Electrical box 15 Terminal connector 16 Drainage tube p OOOO000000 exhausts stale air to the outside after the air has transferred its heat inside the heat recovery core brings fresh air from the outside into the unit is connected to the registers l
8. Installation and User Manual E yx E A eR VB0121 PRO225 amp PRO250 HEAT RECOVERY VENTILATORS READ AND SAVE THESE INSTRUCTIONS Venmar Ventilation inc 550 Lemire Blvd Drummondville QC Canada J2C 7W9 www venmar ca 125715104 Natural Resources Canada and the US EPA They meet ENERGY STAR requirements only when used in Canada 08305 rev B These products earned the ENERGY STAR by meeting strict energy efficiency guidelines set by 9 7 2 Z WARNING TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSON S OBSERVE THE FOLLOWING 1 2 3 Installation must be done in accordance with all applicable codes and standards including 12 13 These units are intented for residential installation only Use these units only in the manner intended by the manufacturer If you have questions contact the manufacturer at the address or telephone number listed in the warranty Before servicing or cleaning the units disconnect power cord from electrical outlet fire rated construction codes and standards These units are not designed to provide combustion and or dilution air for fuel burning appliances When cutting or drilling into wall or ceiling do not damage electrical wiring and other hidden utilities Do not use these units with any solid state speed control devices other than the Breeze main control for the PRO250 unit exclusively or the 11136 ma
9. WARNING Never install a stale air exhaust register in a room where a combustion device operates such as a gas water heater a gas furnace or a fireplace Install the stale air exhaust register s in the main area where the contaminants are produced kitchen living room etc Position the register s as far from the stairway as possible and in such a way that the air circulates in all the lived in spaces in the house e Ifa register is installed in the kitchen it must be located at least 4 feet 1 2 m from the range Install the register s 6 to 12 inches 152 to 305 mm from the ceiling on an interior wall OR install it in the ceiling 4 6 2 FRESH DISTRIBUTION DUCTWORK Install the fresh air distribution register s in a large open area in the lowest level to ensure the greatest possible air circulation Keep in mind that the fresh air register s must be located as far as possible from the stale air register s Install the register s in the ceiling OR 6 to 12 inches 152 to 305 mm from the ceiling on an interior wall The duct length should be at least 15 feet 4 6 m The cooler air will then cross the upper part of the room and mix with room air before descending to occupant level 4 6 3 How ro Connect Non INSULATED FLEXIBLE DUCTS THE REGISTERS Once the register location is determined cut out a 334 x 934 rectangular hole Fixone end of the flexible duct to the register transition 1 using a tie
10. ange mode with the outside in low speed during the last 20 minutes of the hour The air exchange indicator will be lit If the humidity control knob is set to the right of the click the unit will exchange air on high speed with the outside until the desired humidity level has been reached During this time the excess humidity indicator will be lit 2 To turn off the unit press on the push button once again ADJUSTING HUMIDITY CONTROL SETTING DURING THE SUMMER MONTHS During this period unless being afflicted with breathing problems using the humidity control is unnecessary set the unit in recirculation mode Do not exchange in day time exchange at night time if cool outside or if it s not raining SETTING DURING THE FALL WINTER AND SPRING MONTHS CONDENSATION APPEARS ON WINDOWS 1 Determine the humidity level in your house bring the knob counterclockwise to its maximum position then bring it back clockwise slowly until you hear a click 2 Set the knob to one line under this temperature level or click CAUTION Do not set a temperature below 20 C 4 F This could lead to excessive dryness in the air causing discomfort for the occupants It is possible and normal to experience condensation on your windows when drastic changes in temperature happen for example 5 C 23 F to 20 C 4 In that case we suggest waiting a few days to allow the situation to stabilize 17 6 OPERATING CONTROLS
11. connect the unit before making any connections Failure in disconnecting power could result in electrical shock or damage of the control or electronic module inside the unit CAUTION The Breeze main control must be installed with the PRO250 unit only and the 11136 main control with PRO225 unit CAUTION Failure to comply with the following can cause erratic operation of the unit Never install more than one control per unit Keep control low voltage wiring at least 1 foot 305 mm away from motors lightning ballast light dimming circuit and power distribution panel Do not route control wiring alongside electrical wires Ensure the wires are securely connected Disconnect power from the unit before removing the control faceplate from its mounting plate 1 Route the cable from the unit to a convenient location for the control 2 Remove the button and the cover plate of the control see figure beside If necessary bore the mounting holes and insert anchors VCO0110 3 Pass the cable 4 wires through the opening of the mounting plate and mount the plate to the wall using the provided screws 4 Splice back the end of the cable to access to the 4 wires Strip the end of each wire Connect each wire to its corresponding terminal YELLOW wire to Y RED wire to R GREEN to G and BLACK to B See illustration beside 5 Reinstall cover plate and button 6 Plug the unit 16 6 OPERATING CONTROLS
12. e right of the click to lower the humidity level in the house This will initiate the air exchange mode on your ventilation system and replace the stale humid air from inside with dryer air from outside Avoid to try to lower the humidity with air exchange on rainy or foggy days Turn the selector to the left of the click to cancel air exchange mode NOTE The above instructions are guidelines According to home insulation type of windows or to meet specific needs different values can be selected to achieve comfort HUMIDITY LEVEL SELECTOR RELATIVE HUMIDITY 6 3 20 MINUTE LIGHTED PUSH BUTTON OPTIONAL AUXILIARY CONTROL PRO250 amp PRO225 Location Located in the bathroom or in other locations where there is temporary humidity excess or pollutants Purpose To eliminate excess humidity produced by showers or other periodic activities producing pollutants NOTE This control is sold separately Press once to activate the push button The unit will operate on high speed for 20 minutes and the indicator will light up To stop activation before the end of the 20 minute cycle push one more time The unit will get back to its previous setting vcoos2 18 7 MAINTENANCE A WARNING Dangerous voltage may be present During maintenance and repairs the unit must always be turned off then unplugged We take great care to minimize sharp ed
13. esh air to building duct e See point A above Fresh air to building duct only Exhaust air from building duct e Cut an opening into the return duct at least at 3 feet 0 9 m from the fresh air to building duct connection to the return plenum Use a metal transition not provided available in hardware stores to connect the stale air intake duct to the furnace return duct ETAL TRANSITION E 5 gt gt Minimum 3 A B NOT LESS CUR 0 9 v THAN 10 3 1 v 10 4 UNIT INSTALLATION CONT D 4 6 5 How To Connect Non INSULATED FLEXIBLE Ducrs THE UNIT PORTS Each port is identified on top of the unit see illustrations below Attach the fresh air to building duct and the exhaust air from building duct to their corresponding port using tie wraps 1 Fresh air to building Exhaust air from building Distribution d air frais Aspiration d air vici VO0148 VO0147 4 7 CONNECTING INSULATED FLEXIBLE Ducrs TO THE UNIT Make sure the vapor barrier on the insulated ducts does tear during installation to avoid condensation within the ducts Use the following procedure for connecting the insulated flexible ducts to the unit ports exhaust to outside and fresh air from outside a Pull back the insulation to expose the flexible duct b Connect the interior flexible duct to the port using a tie wrap c Pull the
14. ges however please proceed with caution when handling all components When cleaning the unit it is recommended to wear safety glasses and gloves 7 1 REGULAR MAINTENANCE 1 The motors are factory lubricated for life Lubricating the bearings is not recommended 2 The heat recovery core must be handled with care We recommend that it be washed once a year following the season of most intense use in order to insure maximum efficiency of the plastic partitions Allow the heat recovery core to soak for 3 hours in a solution of warm water and mild soap Rinse under a stream of water CAUTION Hot water and a strong detergent will damage the heat recovery core 3 The air filters are washable Under normal conditions we recommend that they be washed every 3 months Use vacuum cleaner to remove the heaviest portion of accumulated dust then wash in hot water 4 Regularly check the exterior fresh air intake port and clean when necessary Also check during very cold weather because ice may grow on the screen located at the exterior intake hood 7 2 ANNUAL MAINTENANCE NOTE Ask your installer for an annual service contract Annual service should include 1 Cleaning filters heat recovery core and the exterior air intake exhaust ports 2 Cleaning the wheels and the blowers blades 3 Cleaning the condensation tray with soapy water make sure that the drain is not clogged 4 Running the system and checking the different o
15. in control for PRO225 unit The optional auxiliary control 20 minute lighted push button can be used with both PRO250 and PRO225 units These units must be grounded The power supply cord has a 3 prong grounding plug for your personal safety It must be plugged into a mating 3 prong grounding receptacle grounded in accordance with the national electrical code and local codes and ordinances Do not remove the ground prong Do not use an extension cord Do not install in a cooking area or connect directly to any appliances 10 11 Do not use to exhaust hazardous or explosive materials and vapors Do not run any air ducts directly above or closer than 2 ft 0 61 m to any furnace or its supply plenum boiler or other heat producing appliance When performing installation servicing or cleaning of these units it is recommended to wear safety glasses and gloves When applicable local regulations comprises more restrictive installation and or certification requirements the aforementioned requirements prevail on those of this document and the installer agrees to conform to these at his own expenses CAUTION To avoid premature clogged filters turn OFF the unit during construction or renovation Please read specification label on product for further information and requirements Be sure to duct air outside Do not intake or exhaust air into spaces within walls or ceiling or into attics crawl spaces or garage Intended fo
16. insulation over the joint and tuck it between the inner and outer ring of the double collar d Pull down the vapor barrier shaded part in illustrations below over the outer ring to cover it completely Fasten in place the vapor barrier using the port strap included in unit parts bag To do so insert one collar pin through vapor barrier and first strap hole then insert the other collar pin through vapor barrier and center strap hole and close the loop by inserting the first collar pin in the last strap hole Exhaust air to outside Evacuation d air vici Fresh air from outside ih Aspiration d air frais b COLLAR PIN S COLLAR PIN 11 4 UNIT INSTALLATION CONT D 4 8 LocariNG EXTERIOR PORTS Choose an appropriate location for installing the exterior ports Ata distance of at least 6 feet 1 8 m one from the other At a minimum distance of 18 inches 457 mm from the ground ZNWARNING Make sure the fresh air intake port is at least 6 feet 1 8 m away or more as per applicable building codes or standards from sources of contamination such as e High efficiency furnace vent Any exhaust from a combustion source e Gas meter exhaust gas barbecue grill Garbage bin STALE AIR ExHAUST PORT 152 mm OPTIONAL LOCATION VD0203 4 9 CONNECTING INSULATED Ducrs To EXTERIOR PORTS For each exterior port using a jig saw cut a 6 dia
17. ion and installation kit needed depending on your house BUNGALOW LATERAL STAIRWAY OPEN BASEMENT STAIRWELL Basement installation kit no CH301 15 MULTI LEVEL HOUSE 4 LEVELS Basement installation kit no CH30115 with additional multi level kit no UT 2004 2 STORIED HOUSE OPEN BASEMENT STAIRWELL 1 Basement installation kit CH30115 with one additional register not included BUNGALOW LATERAL OR CENTRAL STAIRWAY CLOSED IN BASEMENT STAIRWELL Basement installation kit no CH30115 with 3 or 4 floor registers 4 x 10 not included BUNGALOW CENTRAL STAIRWAY OPEN BASEMENT STAIRWELL Basement installation kit no CH30115 with additional multi level kit no UT 2004 2 STORIED HOUSE CENTRAL STAIRWAY CLOSED IN BASEMENT STAIRWELL LIB Basement installation kit no CH30115 with 3 or 4 floor registers 4 x 10 not included 4 UNIT INSTALLATION CONT D 4 2 LOCATING AND MOUNTING THE UNIT Choose an appropriate location for the unit Within a heated area of the house 10 C 50 F or more Away from living areas dining room living room bedrooms if possible So as to provide easy access for filter maintenance Close to an exterior wall so as to limit the length of the insulated flexible ducts to and from the unit
18. lowed may severely damage the unit and or its components NOTE Indicates supplementary information needed to fully complete an instruction We welcome any suggestions you may have concerning this manual and or the unit and we would appreciate hearing your comments on ways to better serve you Please forward all correspondence to us at the address indicated on the product registration card included with this manual 3 1 FUNCTIONS OF YOUR HEAT RECOVERY VENTILATOR Your PRO250 or PRO225 Heat Recovery Ventilator eliminates the excessive humidity problems by exhausting stale and humid air to the outside and by drawing in fresh air Either unit offers superior air quality and fresh air sensation an important factor to overall comfort by eliminating the accumulation of pollutants and humidity These units also come equipped with a heat recovery core which reduces ventilating costs in winter The PRO250 and PRO225 Heat Recovery Ventilators are ventilation systems which carry out the following operations 1 1 ExcHANGE PRO250 amp PRO225 These units exhaust stale and humid air from the house and replace it with fresh air from the outside 1 2 Heat Recovery PRO250 amp PRO225 During winter these units recover the heat contained in the stale air before it is exhausted and transfer it to the fresh air drawn from the outside reverse process in summer Example in winter STALE AIR FROM BUILDING 22 C 72 F FR
19. meter hole in the exterior wall From the outside slide the exterior port in place and attach it to the exterior wall using 2 no 8 x 1 provided screws Seal the outline with silicone From the inside pull back the insulation to expose the flexible duct and using a tie wrap attach it to the exterior port rigid duct vnoozs Carefully seal with duct tape Pull the insulation over the joint Pull the vapor barrier over the insulation and over the joint Apply gently duct tape to the joint making an airtight seal See above 12 4 UNIT INSTALLATION CONT D 4 10 CONNECTING THE DRAIN Cut 2 sections of the plastic tube at least 16 406 mm long and attach them to each inner drain fitting located under the unit Join both 16 16 short sections to the junction and main tube 406 mm 406 mm as shown VO0154A Make a water trap loop in the tube to prevent the unit from drawing unpleasant odors from the drain Source Make sure this loop is located OVER the T as shown Run the tube to the floor drain or to an alternative drain pipe or pail IMPORTANT If using a pail to collect water locate the tube end approximately 1 from top of th epail in order to prevent watter from being drawn back up into the unit 5 CONTROLS 5 1 INTEGRATED CONTROL Those units are equipped with an integrated control located under the unit on the recessed Side of electrical compartment Plug the
20. ocated in the larger rooms of the house distributes fresh air into the house after it has absorbed the heat of the stale air in the heat recovery core allows fresh air intake when open and defrost when closed allows stale air to exhaust when open and prevents negative pressure when closed in defrost mode consists of one damper actuator dampers and related controls The defrost cycle is electronically controlled in response to the outside temperature 5 C 23 F to 27 C 17 F or coldest and will increase in frequency as the temperature decreases Its duration is of 7 or 10 minutes adjust the dampers one on each side in balancing process Lock them in place once the unit is balanced trap the dust contained in the air and prevents the heat recovery core from becoming obstructed is a crossflow type It transfers the heat between the two air streams draw fresh air from the outside and exhaust stale air to the outside is used to capture the water produced during heat transfer and defrost in cold climate for 120 V electrical supply contains capacitors indispensable to proper motors operation and electronic control circuit insures proper operation of the unit located under the unit allows to connect the controls is connected to the condensation tray and serves to drain the water accumulation 6 4 UNIT INSTALLATION 4 1 INSTALLATION TYPES WITH REQUIRED INSTALLATION KIT Here are the types of installat
21. perating modes 19 8 TROUBLESHOOTING If you think your unit is malfunctioning check some of the followings PROBLEMS TRY THIS 1 The LED of the There is a problem with the exhaust motor The unit is integrated control is OFF Contact your installer blinking red The LED of the There is a problem with the thermistor The unit is still integrated control is working but will defrost frequently Contact your installer blinking green The LED of the There is a problem with the motorized damper The unit is integrated control OFF For a 2 2 hour period the unit will try to reset the is blinking amber damper at every 30 minutes After 2 hours if the problem is not solved the unit stops trying to reset damper Contact your installer Check control wiring 4 The integrated control The 30 second boot sequence is not completed See push button does not Booting Sequence on page 14 work 5 Nothing works See if the unit is plugged in See if the unit is receiving power from the house circuit breaker or fuse Condensation Adjust the humidity control knob as per instructions see on windows Section 6 Air too humid Leave curtains half open to allow air circulation Store all firewood in a close room with a dehumidifier or in a well ventilated room or store the wood outside Keep the temperature in your house above 18 C 64 F Set the unit at high speed during activities gene
22. r residential installation only in accordance with the requirements of NFPA 90B The ductwork is intended to be installed in compliance with all applicable codes Do not use the PRO250 or PRO225 unit when varnishing The varnish vapors may damage these units At least once in a year the unit mechanical and electronic parts should be inspected by qualified service personnel During snow rain storm operate the PRO250 unit in recirculation mode to prevent water build up in the heat recovery ventilator Turn OFF the PRO225 unit TABLE OF CONTENTS 1 FUNCTIONS OF YOUR HEAT RECOVERY 4 1 1 Air EXCHAING Csi susti iter a HE 4 1 2 Heat HecoVety oben a deir oaa ER a cnp 4 L3 Recirculation PHOP250 only 1 erii etd 4 2 DIAGRAMS OF AIRFLOWS ee enn nnn nan n anna nnmnnn 5 3 DESCRIPTION OF THE UNIT ccccssssseecececesseeeeeeeeesnseeeeecnenseaeeeeneeenaees 4 UNITS INSTALLATION eene eene 4 1 Installation Types with Required Installation Kit 4 2 Locating and Mounting the Unit 4 8 Tools and Materials 4 4 HOw to Hang the Unit 4 5 Planning of the Ductwork esses 4 6 Installing Non Insulated Flexible Ducts and Registers 4 7 Connecting Insulated Flexible Ducts to the Unit Ports 4 8 Locating Exterior Ports
23. rating excess humidity family gatherings extra cooking etc 7 Air too dry Temporarily use a humidifier Using integrated control set the unit at low speed PRO250 unit only with Breeze control Do not adjust your humidity control below 20 C 4 F Set the unit at minimum speed MIN Temporarily switch to the AUTOMATIC mode PRO225 unit only with 11136 control Set the Humidity level selector below 3096 see 6 2 on page 18 Air too cold at the air Make sure the outside ports are not blocked supply grille Have the unit defrost system checked Install a duct heater Using integrated control set the unit at low speed PRO250 unit only with Breeze control Set the unit at minimum speed MIN 20
24. wrap and duct tape From inside the wall or ceiling place the transition opening flush to the finished wall Assemble the register 2 to its transition using its 2 no 8 x 172 screws See illustration beside VD0202 le 4 UNIT INSTALLATION CONT D 4 6 INSTALLING Non INSULATED FLEXIBLE DUCTS AND REGISTERS coNT D 4 6 4 CONNECTION TO A FoncED Air SYSTEM A FRESH AIR TO BUILDING DUCT ONLY WARNING When performing duct connections always use approved tools and materials Respect all corresponding laws and safety regulations Please refer to your local building code Cut an opening into the return duct not less METAL Asi than 10 feet 3 1 m from the furnace A B TRANSITION Use a metal transition not provided available in hardware stores to connect the CA ES fresh air to building duct to the furnace CA b A B NOT LESS THAN 10 3 1 m return duct NOTE For this type of installation it is not essential that the furnace blower runs when the unit is in operation but we 5 recommend it B FRESH AIR TO BUILDING DUCT AND EXHAUST AIR FROM BUILDING DUCTS WARNING When performing duct connections always use approved tools and materials Respect all corresponding laws and safety regulations Please refer to your local building code CAUTION For this type of installation the furnace blower must be in operation when the HRV is in operation Fr
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