Household Appliances Over-the-Range Microwave Installation Instructions For Models: HMV9302, HMV9305, HMV9306, HMV9307 PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING IMPORTANT: Save these instructions for the local electrical inspector's use. INSTALLER: Please leave these Installation Instructions with this unit for the owner. OWNER: Please retain these instructions for future reference. YOUR SAFETY FIRST BEFORE YOU START · Proper installation is the installer's responsibility! ­ Read the entire manual before you begin. The Model number label is located on the oven front. See Figure 1. Mounting plate is located on back side of microwave oven. See Figure 2. BE SURE TO READ THE FOLLOWING SAFETY INSTRUCTIONS: Model Number Label Mounting plate ( Remove from oven to install. ) Back of oven Figure 1 Figure 2 WARNING FOR YOUR SAFETY: · You will need TWO people to install this oven. It is heavy and could cause personal injury if not handled properly. The dimensions of the oven are as follows: Height : 16 7/16 inches Width : 29 15/16 inches Depth : 15 5/8 inches Weight : 60 lbs. · Avoid Electrical Shock! ­ Before you drill into the wall, note where electrical outlets are and where electrical wires might be concealed behind the wall. YOU COULD GET AN ELECTRIC SHOCK if you contact electrical wires with your drill bit. ­ Locate and disconnect the power to any electrical circuits that could be affected by installing this oven. IF YOU DO NOT DISCONNECT THE POWER, YOU COULD GET AN ELECTRIC SHOCK. · ELECTRICAL RATING OF THIS OVEN : 120V AC 60Hz. ­ You need a DEDICATED 120V, 60Hz, AC only, 15 or 20A, fused electrical supply (located in the cabinet above the microwave as close as possible to the microwave) serving only the microwave. 2 YOUR SAFETY FIRST · THIS APPLIANCE MUST BE GROUNDED! ­ If there is an electrical short circuit, grounding reduces the risk of electrical shock by providing an escape wire for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding plug. · Place the plug into a properly installed and grounded outlet. See Figure 3. · Do not use an extension cord. · Keep the power cord dry and do not pinch or crush it. PROPERLY POLARIZED AND GROUNDED OUTLET · DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY CORD GROUNDING PRONG! This appliance MUST be grounded! Three-Pronged (Grounding) Plug Figure 3 WARNING If you use the grounding plug improperly, you risk electric shock! ­ Check with a qualified electrician if you are not sure whether the oven is properly grounded or if you do not completely understand the grounding instructions. DO NOT USE A FUSE IN THE NEUTRAL OR GROUNDING CIRCUIT. WARNING Improper grounding could result in electric shock or other personal injury. SAVE THESE INSTRUCTIONS FOR THE LOCAL ELECTRICAL INSPECTOR'S USE. · DO NOT EXPOSE YOURSELF TO EXCESSIVE MICROWAVE ENERGY! ­ DO NOT try to operate the microwave oven with the door open. ­ DO NOT tamper with or defeat the safety interlocks. ­ DO NOT place objects between the microwave oven front face and the door. ­ DO NOT allow soil or cleaner residue to build up on the flat surfaces around the microwave oven door. ­ DO NOT operate the microwave oven if it is damaged. ­ The microwave oven door must close properly to operate safely. ­ DO NOT USE THE MICROWAVE OVEN: · If the door is bent. · If the hinges or latches are broken or loose. · If the door sealing surfaces or glass is broken or cracked. ­ DO NOT ATTEMPT TO ADJUST OR REPAIR THE OVEN YOURSELF! It should be adjusted and repaired by a qualified technician who can check for microwave leakage after repairing the oven. WARNING If you do not use the microwave oven as instructed, you could be exposed to excessive microwave energy. 3 YOUR SAFETY FIRST · MAKE SURE YOU HAVE ENOUGH SPACE AND SUPPORT. ­ Mount the oven against a flat, vertical wall, so it is supported by the wall. The wall should be constructed of minimum 2" x 4" wood studding and 3/8" thick drywall or plaster/lath. ­ ATTACH AT LEAST ONE of the two lag screws supporting the oven to a vertical, 2" x 4" wall stud. ­ DO NOT mount the microwave oven to an island or peninsula cabinet. ­ BE SURE the upper cabinet and rear wall structures are able to support 150 lbs., plus the weight of any items you place inside the oven or upper cabinet. ­ Locate the oven away from strong draft areas, such as windows, doors, and strong heating vents. ­ BE SURE you have enough space. See Figure 4 below for minimum vertical and horizontal clearance. CAUTION If you do not mount the oven as instructed, you risk personal injury and/or property damage. Grounded Outlet (inside upper cabinet) Power Supply Cord Hole 30" min. cabinet opening width 30" min. clearance from bottom of cabinet to cooking surface or countertop (Use templates included with installation instructions) Figure 4 CAUTION · Before you begin installing the oven, PLACE A PIECE OF THE CARTON OR OTHER HEAVY MATERIAL (such as a blanket) over the countertop or cooktop to protect it. Do not use a plastic cover. Failure to protect these surfaces could result in property damage. 4 PARTS, TOOLS, MATERIALS THE FOLLOWING PARTS ARE SUPPLIED WITH THE OVEN: NOTE: Depending on your ventilation requirements, you may not use all of these parts. Damper/duct connector (for roof vented or wall vented installation) Not Actual Size One power cord clamp and One dark-colored mounting screw (to hold the power cord) Actual Size One power cord clamp bushing - Actual Size (for the cord hole in a metal upper cabinet) Four 1/4" x 2" lag screws - Actual Size (for wall stud holes) Four 1/4" x 3" toggle bolts - Actual Size (for drywall holes) Two 1/4" x 3" bolts - Actual Size (for securing to the upper cabinet) Two tapping screws - Actual Size (for attaching the damper duct connector) OR One upper cabinet template - Not Actual Size 11 Four spring toggle heads (for the toggle bolts) Actual Size 108" Upper-cabinet template Roof-venting installation centerline 10- 3 16 B Right side Left side C D 8- 12" 6" 4" NOTE: You need to install at least one lag screw into a 2" x 4" stud and four anchor bolts into the wall, and the mounting area must meet the 150 lbs. weight requirement. 5 PARTS, TOOLS, MATERIALS YOU WILL NEED THE FOLLOWING TOOLS AND MATERIALS FOR THE INSTALLATION: Carton or other heavy material for covering the counter top. Clear tape (for taping the templates to the wall) Stud finder or thin nail. Keyhole saw (for the power cord hole) Saber saw (for cutting vent holes for roof or wall venting) Electric drill Phillips screwdriver 3/8" and 3/4" wood drill bits 1/2" and 3/16" drill bits Pencil Flat blade screwdriver Plumb line Measuring tape (metal preferred) Duct Tape Small side cutters or tin snips Caulking gun · If you have brick or masonry walls, you will need special hardware and tools. · The ductwork you need for the installation is not included. All wall and roof caps must have a back-draft damper (shown on page 5). 6 STEP 1: PREPARE THE ELECTRICAL CONNECTIONS WARNING AVOID ELECTRICAL SHOCK! THIS APPLIANCE MUST BE GROUNDED! 1. Locate the grounded electric outlet for this oven in the cabinet above the oven, as shown in Figure 4 Detail. NOTE: The outlet should be on a circuit dedicated to the microwave oven 120V, 60Hz., AC only with a 15 or 20A fused electrical supply. IMPORTANT: If you do not have the proper wall outlet, you MUST have one installed by a qualified electrician. 2. You will cut the power-supply-cord hole (shown in Figure 4 Detail) later when you prepare the wall and upper cabinet in Step 4. Upper Cabinet Grounded Outlet ( Inside Cabinet ) Power-Supply-Cord Hole NOTE: Do not use an extension cord. Keep the power cord dry and do not pinch or crush it. Figure 4 Detail WARNING Improper grounding could result in electric shock or other personal injury. · DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY CORD GROUNDING PRONG! This appliance MUST be grounded! 7 STEP 2: PREPARE THE VENTING SYSTEM NOTE: The ductwork you need for outside ventilation is not included with your oven. The standard ductwork fittings and length are shown in Figure 9, page 9. WARNING:FIRE HAZARD THIS OVEN MUST BE PROPERLY VENTED! You may vent your oven in one of three ways: Roof-venting If your oven is located on an outside wall near the roof, as in Figures 5 (31/4" x 10" duct) and 8 (6" round duct.) Wall-venting If your oven is located on an outside wall on the first floor of your house, as in Figure 7 (31/4" x 10" duct) and Figure 6 (6" round duct.) Room-venting If your oven is located on an inside wall of your house, as in Figure 8. NOTE: If you choose the rear exhaust method (roof- or wall-venting), be sure there is enough clearance within the wall for the exhaust duct. "roof-venting" roof cap cabinet 3 1/4"x10" duct 6" min. diameter round duct elbow 3 1/4" to round duct transition through-the-roof 3 1/4" to round ductwork transition wall cap roof cap oven Roof-venting Figure 5 Figure 6 "wall-venting" room-venting cabinet cabinet wall cap oven Wall-venting 3 1/4"x10" through-the-wall duct oven Figure 7 Figure 8 REMEMBER AS YOU INSTALL THE VENTING: · Keep the length of the ductwork and the number of elbows to a minimum to ventilate your oven efficiently. See examples on page 9. · Keep the size of the ductwork the same. · Do not install two elbows together. · Use duct tape to seal all joints in the duct system. · Use caulking to seal the exterior wall or roof opening around the cap. 8 STEP 2: PREPARE THE VENTING SYSYTEM STANDARD FITTINGS NOTE: If the existing duct is round, you must use a rectangular-to-round adapter, with a rectangular 3" extension duct installed between the damper assembly and the adapter to prevent the exhaust damper's sticking. DUCT LENGTH The total length of the duct system, including straight duct, elbows, transitions, wall or roof caps must not exceed the equivalent of 140 feet. For best performance, do not use more than three 90 degree elbows. Below are the standard fittings and their equivalent length in feet. 1 2 3 3 1/4"x10" to 6"=5ft. 3 1/4"x10" roof cap=24ft. 3 1/4"x10" 90° elbow=25ft. 4 5 6 7 90o elbow =10ft. 3 1/4"x10" wall cap =40ft. 45o elbow =5ft. 3 1/4"x10" flat elbow =10ft. Figure 9 To calculate the equivalent length of each ductpiece used, see the examples below. Examples For 3 1/4"x10" SYSTEMS 3 1/4"x10" 90o elbow 2ft. 6ft. wall cap transition 2ft. For 6" ROUND SYSTEMS 90o elbows 6ft. wall cap 1-3 1/4" x 10" 90o elbow 1-Wall Cap 8 feet straight duct TOTAL LENGTH = = = = 25 ft. 40 ft. 8 ft. 73 ft. 9 1-transition 2-90o elbows 1-Wall Cap 8 feet straight TOTAL LENGTH = = = = = 5 ft. 20 ft. 40 ft. 8 ft. 73 ft. STEP 3: PREPARE THE VENTING BLOWER Your microwave oven is shipped with the blower assembled for roof venting. You need to adjust the blower if you want wall-venting or room-vented (recirculating) installation. ELECTRICAL SHOCK HAZARD! UNPLUG UNIT BEFORE WORKING ON IT. · DO NOT PULL OR STRETCH THE BLOWER WIRING! Pulling and stretching the blower wiring could result in electrical shock. WARNING REMOVE THE MOUNTING PLATE: 1. Remove any shipping materials and parts from inside the microwave oven. 2. Cover the countertop or cooktop with a thick, protective covering to protect it from damage and dirt. See Figure 10. A thick, protective covering NOTE: If you have a free-standing range, disconnect it, move it onto a piece of cardboard or hardboard and pull it away from the wall, so that you can get closer to the upper cabinet and back wall for easier measuring and drilling. 3. Remove mounting plate screw(s) (1 or 2 screws) from the mounting plate as shown and discard (see Figure 11). 4. This plate will be used to locate and mark the mounting holes on the rear wall. (It will be used to locate and mark the mounting holes on the rear wall.) 5. Locate exhaust adaptor, grease filters and hardware packet. 6. At this point, remove any adhesive tape (if there is any), on the exhaust adaptor, the grease filters and the power supply cord. Figure 10 Mounting plate Mounting plate screw(s) (1 or 2 screws) ROOF-VENTED INSTALLATION: This oven is shipped assembled for roof-vented. You will need to install the exhaust adaptor regardless of cabinet. 1. Attach the exhaust adaptor to the blower plate by sliding it into the guides (see Figure 12). Go to step 4 on page 13. Control panel side Figure 11 Exhaust adaptor Back of oven Figure 12 10 STEP 3: PREPARE THE VENTING BLOWER WALL-VENTED INSTALLATION: 1. Remove one blower unit mounting screw and one blower plate screw. Remove the blower plate from cabinet. See Figure 13. 2. Carefully lift the blower unit out of the microwave oven. 3. Use side cutters or tin snips to cut and remove knockouts "B" from Back plate. Discard knockouts. Be careful not to distort the plate. See Figure 14. 4. Reassemble the ...