Haier AB122ACERA Service Manual - Page 23

Commercial Air Conditioner Model: AU122AEERA AB122ACERA AC122ACERA AD122ALERA CAUTION Install the drain hose at the rear; it should not be installed on the top or right side. After the piping and drainage exit has been selected, drill 80mm and 50mm or 150mm dia. hole through the wall. So that the hole is slanting downward toward the outside for smooth water flow if a condensate pump is not fitted to system. Wall 6mm 4. INSTALLING INDOOR UNIT Reset the hex bolts as shown in Fig.14. Fig. 14 Indoor unit Hex bolt 8 to 13mm 2. DRILLING HOLES FOR ANCHOR BOLTS AND INSTALLING THE ANCHOR BOLTS using a masonry drill, drill four 12.5 mm dia. Holes.(Fig.11) Fig. 11 Fig. 11 12.5mm Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer. (Fig. 12) Fig. 12 3. INSTALLING BRACKETS Install the brackets with nuts, washers and spring washers.(Fig. 13) Fig. 13 Apply the indoor unit to the brackets.(Fig.15) Fig. 15 Bolt Bracket Indoor unit Now, securely tighten the hex bolts in both sides. 5. INSTALL THE DRAIN HOSE The drain hose will be connected to the right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.5) Wrap the insulation (drain hose)around the drain hose connection. (Fig.9) Be sure to arrange the drain hose correctly so that it is lower than the drain hose connecting port of the indoor unit (Fig.16) if condensate pump is not fitted to system. Fig. 16 Remove the hole cover. Spring washer Special nut Bracket Arrange the drain hose lower than this portion OK 10 18 7.5 7.5 18 10 68 16 21 28 26.5 232 4-R5 4-R5 381 26.5 2-R2.5 2-R2.5 26.5 381 232 26.5 28 21 16 68 23 Drain hose NO