Contents Safety Considerations ������������������������������������ 1 Refrigerant Piping Work ��������������������������������� 9 1. Flaring the pipe end ............. 9 Accessories ����������������������������������������������������� 3 2. Refrigerant piping ............9 Choosing an Installation Site ������������������������ 3 Installation Tips ����������������������������������������������� 10 1. Indoor unit ..............3 1.
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Corroding copper pipes or soldered parts may result in is shorted and operated forcibly, or parts other than those refrigerant leakage. specified by Daikin are used, fire or explosion may occur. (c) Near machinery emitting electromagnetic waves. Electromagnetic waves may disturb the operation of the control system and cause the unit to malfunction.
Indoor Unit Installation Diagram How to attach the indoor unit Mounting Hook the hooks of the bottom frame plate to the mounting plate. A Mounting plate If the hooks are difficult to hook, remove the front grille. Hook How to remove the indoor unit Push up the marked area (at the lower part of the front grille) to Bottom frame...
Indoor Unit Installation 1� Installing the mounting plate • The mounting plate should be installed on a wall which can support the weight of the indoor unit. 1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the drilling points on the wall.
2� Drilling a wall hole and installing wall embedded pipe WARNING For metal frame or metal board walls, be sure to use a wall embedded pipe and wall hole cover in the feed-through hole to prevent possible heat, electric shock, or fi re. •...
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Indoor Unit Installation 3-2� Left-side, left-back, or left-bottom piping How to replace the drain plug and drain hose • Replacing onto the left side Drain hose attachment position The drain hose is on the back of the unit. 1) Remove the fixing screw of drain hose on the right and remove the drain hose.
4� Wiring 1) As shown in the illustration, insert the wires including the ground wire into the conduit and secure them with lock nut onto the conduit mounting plate. 2) Strip wire ends (3/4 inch (20mm)). 3) Match wire colours with terminal numbers on the terminal block of indoor and outdoor unit and fi rmly secure the wires in the corresponding terminals with screws.
Refrigerant Piping Work 1� Flaring the pipe end 1) Cut the pipe end with a pipe cutter. 2) Remove burrs with the cut surface facing downward, Cut exactly at right angles. Remove burrs. so that the filings do not enter the pipe. Flaring 3) Put the flare nut on the pipe.
2-2� Selection of copper and heat insulation materials When using commercial copper pipes and fi ttings, observe the following: Inter-unit wire Gas pipe • Insulation material: Polyethylene foam Liquid pipe Heat transfer rate: 0.041 to 0.052W/mK (0.024 to 0.030Btu/fth°F (0.035 to 0.045kcal/mh°C)) Be sure to use insulation that is designed for use with HVAC Systems.
2� Removing and installing the front grille • Removal method mark area 1) Remove the front panel to remove the air fi lter. Upper hook (3 locations) Push Upper hook down. 2) Remove the 2 screws from the front grille. (The 15, 18 and 24-class models have 3 screws.) 3) In front of the mark on the front grille, there are 3 upper hooks.
Trial Operation and Testing 1� Trial operation and testing • Trial operation should be carried out in either COOL or HEAT operation. 1-1� Measure the supply voltage and make sure that it is within the specifi ed range. 1-2� In COOL operation, select the lowest programmable temperature; in HEAT operation, select the highest programmable temperature�...
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Two-dimensional bar code is a manufacturing code. 3P379970-5B M15B134 (1510) HT...