Haier AB122ACERA Service Manual - Page 22

Commercial Air Conditioner Model: AU122AEERA AB122ACERA AC122ACERA AD122ALERA 5.2.2 AC122ACERA INSTALLATION PROCEDURE Install the room air conditioning unit as follows: PREPARING INDOOR UNIT INSTALLATION FIRST REMOVE THE INTAKE GRILL A. FLOOR MOUNTING (AC36/42 only suitable for exposed ceiling mounting) 1. DRILLING FOR PIPING The piping and drain can exit the unit in two directions as shown below in (Fig. 2) rear Wrap the insulation around the drain hose connection.(Fig.6) (Fig. 6) Drain pan Drain hose Insulation (Drain hose) Be sure to arrange the drain hose correctly as shown in Fig. 7 so that it is lower than the drain hose connecting point of the indoor unit, if condensate pump is not fitted to system. Fig. 7 OK NO NO (Fig. 2) down The drain hose must be connected to the right side as shown in (Fig.3). (Fig. 3) Arrange the drain hose lower than this portion. Drain hose CAUTION! Ensure that the unit is fixed level. Height 'A' must be less than 5 mm.(Fig.8) Drain hose (Right side) After the piping and drainage exit has been selected, drill a 7 cm dia. hole through the wall so that the hole is slanting downward toward the outside to ensure good drainage. When the pipe is led out from the rear, make a hole as Fig.4, at the position shown. (Fig. 4) Wall 7cm Indoor unit 6mm outdoor unit 2. INSTALLING DRAIN HOSE The drain hose must be connected to the right side of the unit (Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener. (Fig.5) Drain hose A B. UNDER CEILING MOUNTING Using the installation template, drill holes for piping and anchor bolts(for holes).(Fig.9) (Fig. 10) 900mm 200mm Installation template Drilling position for anchor bolt Ceilling Wall Drilling position for piping (Fig. 5) Drain pan 1. DRILLING FOR PIPING Select piping and drain directions. (Fig.10) Drain hose Nylon fastener (supplied by others) Fig 10 Rear (Install the drain hose in this direction.) 22