Broan ERV90HC Installation Instructions Manual

Text of Broan ERV90HC User Guide:

• Broan ERV90HC, 3. INSTALLATION (CONT’D) 3.6 INSTALLING THE DUCTWORK AND REGISTERS (CONT’D) 3.6.2 C ENTRAL DRAW POINT SYSTEM (AS ILLUSTRATED IN SECTION 2.2) Stale air exhaust ductwork Same as for Fully Ducted System, described on point 3.6.1. Fresh air distribution ductwork There are 2 methods for connecting the unit to the furnace/air handler: Method 1: Supply side connection • Cut an opening into the furnace supply duct at least 18 inches (0.5 m) from the furnace/air handler. • Connect this opening to the Fresh air to building port of the HRV/ERV (use steel duct, see figure beside). • Make sure the HRV/ERV duct form an elbow inside the furnace/air handler ductwork. • If desired,

• Broan ERV90HC, 9. MAINTENANCE (CONT’D) 9.1 S EMI-ANNUAL MAINTENANCE (CONT’D) 4. Clean the inside walls of the unit with a clean damp cloth, then wipe with a clean dry one. 5. Wash the 2 core filters under hot water with mild soap. Rinse thoroughly and let dry completely before reinstalling on the core. 6. Remove the dust on the core using a vacuum cleaner and a soft brush attachment. 7. Slide the core in the unit. Secure the core by rotating both core retainers to their initial positions. NOTE: Once the core reinstalled in the unit, the arrows (A) on its sticker label must be pointing towards the unit motors. 8. Reinstall both foam filters and secure them to th

• Broan ERV90HC, 1.4.1 HRV UNITS 1. TECHNICAL DATA (CONT’D) 1.4 P ERFORMANCE CHARTS Ventilation Performance NOTE: A LL SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE . SUPPLY POWER SENSIBLE APPARENT LATENT RECOVERY/ TEMPERATURE NET AIR FLOW CONSUMEDRECOVERY SENSIBLE MOISTURE WATTS EFFICIENCY EFFECTIVENESS TRANSFER 68 82 116 110 66 65 59 55 78 76 68 81 0.07 0.04 0.04 0.08 Not tested - C° 0 0 0 -25 +35 F° +32 +32 +32 -13 +95 l/s 23 30 44 30 - - cfm 48 63 93 63 - - m 3 /h 82 108 157 108 - - COOLING HEATING TOTAL RECOVERY EFFICIENCY EXT STATIC NET SUPPLY GROSS AIR FLOW PRESSURE AIR FLOW SUPPLY EXHAUST Pa 25 50 75 100 125 150 175 200 in.w.g. .

• Broan ERV90HC, 4. CONTROLS 4.1 INTEGRATED CONTROL All units are equipped with an integrated control, located under the unit, in front of the electrical compartment. Use the push button (1) to control the unit. The LED (2) will then shows on which mode the unit is in. WARNING Risk of electric shock. Before performing any maintenance or servicing, always disconnect the unit from its power source. AVERTISSEMENT Danger d’électrocution. Débranchez toujours l’appareil avant d’entreprendre des travaux d’entretien ou de réparation. CAUTION Unscrew both screws to open the electrical compartment. To completely remove, detac

• 3.8 INSTALLING THE TANDEM® TRANSITION KIT (CONT’D) 3.8.4 C ONNECTING TANDEM® TRANSITION TO THE DUAL EXTERIOR HOOD (CONT’D) 2. Join the end of the Tandem® transition to the rear of the exterior backplate. Secure with 2 Xmas tree pins and seal properly with duct tape. 3. Using 4 #8 x 1 1 ¼2” screws, mount the the exterior backplate to the exterior wall. Seal the

• Broan ERV90HC, 2.3 SIMPLIFIED INSTALLATION (CONNECTION TO A FORCED AIR SYSTEM) 2. TYPICAL INSTALLATIONS Installations may vary according to the type of unit and the ports configuration (top or sides). Use the following illustrations as guidelines to help you decide on how the unit will be installed. All the units should be hung from the joists. In every case, bathroom fans and a range hood should be used to exhaust stale air. Also, for homes with more than one level, we recommend one exhaust register at the highest level. There are 3 installation metho

• Broan ERV90HC, HRV ERV 1. TECHNICAL DATA 1.1 AIR DISTRIBUTION (NORMAL OPERATION) VF0039 VF0038 HRV ERV 1.2 A IR DISTRIBUTION (RECIRCULATION OR DEFROST MODE) VF0036 VF0037 Celcius (°C) -5 to -27 -27 and less Fahrenheit (°F) 23 to -17 -17 and less Defrosting (min.) 9 10 Operation time (min.) between each defrost cycle 23 22 Outside Temperature HRV and ERV Defrost Cycles - 4 - EXHAUST AIR - FROM BUILDING FRESH AIR TO BUILDING EXHAUST AIR- FROM BUILDING FILTERED AIR TO BUILDING E XHAUST AIR - FROM BUILDING F ILTERED

• Broan ERV90HC, 4. CONTROLS (CONT’D) 4.4 OPTIONAL AUXILIARY WALL CONTROLS OPERATION 4.4.1 20-MINUTE LIGHTED PUSH-BUTTON TIMER Set the push-button timer to ON. The fan motors will then operate at high speed for 20 minutes and the indicator will light up. To stop activation, push one time; the unit will then get back to previous selection. 4.4.2 60-MINUTE CRANK TIMER This control makes the system operate at high speed for periods varying from 10 to 60 minutes. VC0084 ON OFF 10 20 30 40 50 60 TURN PAST 20 VC0017 4.4.3 HUMIDITY CONTROL Setting during the fall, winter and spring months: Adjust knob to the desired maximum humidity level. Setting during summer: Adj

• Broan ERV90HC, 2. TYPICAL INSTALLATIONS (CONT’D) The ERV units are created to meet specific requirements related to geographical locations. Take a look at the map below; the shaded area shows the limits where the ERV unit can be installed. However, there is no geographical limitation for installing an HRV unit. NOTE:The ERV unit is designed to assist in the management of humidity introduced into the home. During cooling season, in extreme humidity conditions, the use of additional dehumidification unit may be required to quickly remove all excess moisture. During heating season, in extreme dryness condition

• Broan ERV90HC, 7.1 WHAT YOU NEED TO BALANCE THE UNIT • A magnehelic gauge capable of measuring 0 to 0.5 inch of water (0 to 125 Pa) and 2 plastic tubes. • The balancing chart located on the unit door. 7.2 PRELIMINARY STAGES TO BALANCE THE UNIT • Seal all the unit ductwork with tape. Close all windows and doors. • Turn off all exhaust devices such as range hood, dryer and bathroom fans. • Make sure the integrated balancing dampers are fully open . Turn the thumb screw (A) clockwise to manually open the dampers. Both are located on the Exhaust air to outside port and on Fresh air to building port. • Make sure all filters are clean (if it is not the first time you balance the u

• Broan ERV90HC, 8. CONNECTING THE DRAIN (HRV UNITS ONLY) VO0091 VO0093 VO0092 To drain In order to keep the drain pan intact, hand tighten the 2 plastic drain fittings to the unit door using the gaskets and nuts as shown. Cut 2 sections of plastic tubing, about 12” (305 mm) long and attach them to each drain fitting. Join the 2 short sections to the «T» junction and main tube as shown. 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 situated BELOW the «T» as shown. This will prevent water from being

• Broan ERV90HC, 1.0 TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6 1.1 AIR DISTRIBUTION (NORMAL OPERATION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.2 A IR DISTRIBUTION (RECIRCULATION OR DEFROST MODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.3 S PECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• 3. INSTALLATION (CONT’D) 3.9 INSTALLING 2 EXTERIOR HOODS Choose an appropriate location to install the exterior hoods: • There must be a minimum distance of 6 feet (1.8 m) between the hoods to avoid cross-contamination • There must be a minimum distance of 18 inches (457 mm) from the ground Make sure the intake hood is at least 6 feet (1.8 m) away from the following: • Dryer exha

• Broan ERV90HC, - 9 - 3. INSTALLATION 3 .1 INSPECT THE CONTENTS OF THE BOX • Inspect the exterior of the unit for shipping damage. Ensure that there is no damage to the door, door latches, power cord, etc. • Remove and discard the 2 transport brackets (A) and open the door. Discard the styrofoam fillers (ERV units only) and remove the hardware kit from the unit. Inspect the interior of the unit for damage. Ensure that heat or energy recovery core, core filters, insulation, dampers, etc. are all intact. 3.2 LOCATING THE UNIT Choose an appropriate location for the unit. • Within an area of the house where the ambient temperature is between 10°C (50

• - 10 - 3. INSTALLATION (CONT’D) 3.5 P LANNING OF THE DUCTWORK • Keep it simple. Plan for a minimum of bends and joints. • Keep the length of insulated ducts to a minimum. • Do not ventilate crawl spaces or cold rooms. Do not attempt to recover the exhaust air from a dryer or a range hood. This would cause clogging of the filters and recovery module. • If the house has two floors or m

• - 25 - VL0019 10. SERVICE PARTS ITEM DESCRIPTION PART NUMBER HRV90HS HRV90HT ERV90HCS ERV90HCT (PORTS ON SIDES)(PORTS ON TOP)(PORTS ON SIDES)(PORTS ON TOP) 1OVAL PORT (FITS 5” DIAMETER DUCTS) 16040 1 1 1 1 2D OOR LATCH WITH SCREWS 16035 2 2 2 2 3OVAL PORT WITH INTEGRATED BALANCING DAMPER 16041 2 2 2 2 4MOTOR & WHEEL ASS’Y (MOTOR CAPACITOR INCLUDED) 16024 2 2 2 2 5* C APACITOR 5 µF

• Broan ERV90HC, 3.6 INSTALLING THE DUCTWORK AND REGISTERS (CONT’D) 3.6.3 S IMPLIFIED INSTALLATION (AS ILLUSTRATED IN SECTION 2.3) There are 2 methods for connecting the unit to the furnace/air handler: Method 1: Supply-return connection Method 2A: Return-return without Method 2B: Return-return with Automatic fresh air bypass Automatic fresh air bypass Stale air intake • Cut an opening into the furnace/air handler return duct not less than 10 feet (3.1 m) from the furnace/air handler (A+B). • Connect this opening to t

• Broan ERV90HC, Rigid ducts Use a small length of flexible duct to connect the rigid duct to the ports in order to avoid vibration transmissions. Use tie-wraps to perform connections. 3.7 CONNECTING THE DUCTS TO THE UNIT Insulated flexible ducts Use the following procedure for connecting the insulated flexible ducts to the port of the unit ( Exhaust air to outside and Fresh air from outside ports). CAUTION Make sure the vapor barrier on the insulated ducts does not tear during installation to avoid condensation within the ducts. CAUTION Do not use screws to connect the rigid ducts to the ports. CAUTION Make sure the balancing dampers are set to their appropriate position before connecting the ducts

• Broan ERV90HC, 1. TECHNICAL DATA (CONT’D) 1.5 DIMENSIONS 1.5.1 D IMENSIONS FOR PORTS ON SIDES UNITS 2½” (64 mm) 12 16” (310 mm) 16 ¼” (413 mm) 3 4’’ (102 mm) 6’’ (152 mm) 22 16” (574 mm) 23 ¾” (603 mm) 9 VK0056 19 16” (503 mm) 13 4’’ (102 mm) 6’’ (152 mm) 2” (51 mm) 13¾” (349 mm) 22 16” (574 mm) 9 27 16” (688 mm) 1 19 16” (503 mm) 13 12 16” (310 mm) 3 VK0055 HRV ERV 2½” (64 mm) 12 16” (310 mm) 3 4’’ (102 mm) 6’’ (152 mm) 22 16” (574 mm) 23 ¾” (603 mm) 9 VK0058 19 16” (503 mm) 13 4’’ (102 mm) 6’’ (152 mm) 2” (51 mm) 22 16” (574 mm) 9 27

• Broan ERV90HC, 3. Lift both foam filters bracket (1) and remove the foam filters from the core. While holding the core, rotate the 2 core retainers (2) and slide out the core from the unit. 2. Unlatch the door and open it. Clean the inner side of the door with a damp cloth, then wipe with a dry one. Disengage the door from its hinge by sliding it from left to right and set aside. 9. MAINTENANCE WARNING Risk of electrical shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source. ! 1. Unplug the unit. 9.1SEMI-AN

• Broan ERV90HC, 3.8 INSTALLING THE TANDEM® TRANSITION KIT (CONT’D) 3.8.1 C ONNECTION TO TANDEM® TRANSITION 1. F or each duct, pull back the insulation to expose the interior flexible duct. 2. Connect the interior flexible duct to the smaller part of the Tandem® transition (5’’ oval) using a tie wrap. 3. Pull the insulation over the joint. Pull the vapor barrier over the insulation. 4. Apply duct tape gently to the joint in order to make an air tight seal . See figures below. 3.8.2 A SSEMBLING DUAL EXTERIOR HOOD* Exterior dual hood is coming in separate parts. Using 2 #8 x 3 ¼4” screws, assemble the top metal screen and the plastic

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