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Anleitung Zusammenfassung
NOTE: For Method 1, it is not essential to synchronize the furnace blower operation with the unit operation, but we recommend it. CAUTION If using Method 2, make sure the furnace/air handler blower operation is synchronized with the unit operation! See Section 5. - 12 3. INSTALLATION (CONT’D) 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 outsideand Fresh air from outsideports). CAUTION Make sure the balancing dampers are set to their appropriate position before connecting the ducts to the ports. See Section 3.3. VJ0039 VJ0040 VJ0043 VJ0041 VJ0042 Pull back the insulation to Attach the flexible Pull the insulation Pull the vapor barrier expose the flexible duct. duct to the port using over the joint and tuck over the insulation and tie wrap. in between the inner over the outer ring of the and outer rings of the double collar. double collar. CAUTION Make sure the vapor barrier on the insulated ducts does not tear during installation to avoid condensation within the ducts. Apply duct tape to the joint making an airtight seal. Avoid compressing the insulation when pulling the tape tightly around the joint. Compressed insulation loses its R value and causes water dripping due to condensation on the exterior surface of the duct. Rigid ducts CAUTION Do not use screws to connect the rigid ducts to the ports. 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. 3.8 INSTALLING THE TANDEM® TRANSITION* KIT Use the following procedure for connecting the insulated flexible ducts to the Tandem Transition (Exhaust air to outsideand Fresh air from outside). NOTE: The joist opening needed to install the Tandem transition must be 9.” (248 mm) minimum. Also, the maximum height of the Tandem transition is 8.” (222 mm). See Tandem Transition end view beside. If the joists are perpendicular to the ducts, or if the connection to the exterior hood is in a limited area, your installation will need two exterior hoods instead of one. In this case, do not use the Tandem Transition kit. See next Section 3.9 INSTALLING 2 EXTERIOR HOODS. *Patented. VD0118A 8.” 222 mm 9.” 248 mm - 13 3.8.2 ASSEMBLING DUAL EXTERIOR HOOD* Exterior dual hood is coming in separate parts. Using 2 no. 8 x 3/4” screws, assemble the top metal screen and the plastic grille to the dual exterior hood. Then, slide the bottom metal screen to the dual exterior hood. See illustration beside. *PATENTED. 3.8.3 LOCATING THE DUAL EXTERIOR HOOD The dual exterior hood must be installed at a minimum distance of 18 inches (457 mm) from the ground. See illustration beside. 3.8.4 CONNECTING TANDEM TRANSITION TO THE DUAL EXTERIOR HOOD 1. Using a jig saw, cut a 6” diameter hole in the exterior wall and insert the Tandem transition through this hole. 3.8 INSTALLING THE TANDEM TRANSITION KIT (CONT’D) 3.8.1 CONNECTION TO TANDEM TRANSITION 1. For 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 airtight seal. See figures below. 3. INSTALLATION (CONT’D) VJ0025 VJ0022 VJ0023 VJ0024 1 2 3 4 EXHAUST AIR TO OUTSIDE DUCT ON TOP VO0024 WARNING Make sure this hood is at least 6 feet (1.8 m) away (or more, as per applicable building codes or standards) from sources of contamination such as: • High efficiency furnace vent • Any exhaust from a combustion source • Gas meter exhaust, gas barbecue-grill • Garbage bin ! VD0083A 18” (457 mm) VD0084 1 CAUTION The Tandem Transition must be inserted in such a way that the Exhaust air to outside duct will be located on the top. - 14 - 1) EXHAUST AIR TO OUTSIDE DUCT 4. Snap the assembled exterior hood on its backplate and secure with 2 provided screws (no. 8 x 3/4” long). 3. Using 4 no. 8 x 1.” screws, mount the the exterior backplate to the exterior wall. Seal the outline with caulking. 3.8 INSTALLING THE TANDEM TRANSITION KIT (CONT’D) 3.8.4 CONNECTING 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. INSTALLATION (CONT’D) VD0085 CAUTION The exterior backplate must be installed with the word “TOP” pointing upward. XMAS TREE PIN VD0086 VD0087 SCREW - 15 - 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 WARNING Make sure the intake hood is at least 6 feet (1.8 m) away (or m...
Dieses Handbuch ist für folgende Modelle:Splitgeräte - ERV90HCT (4.29 mb)