Page 2 - Contents; ADOPTION OF NEW REFRIGERANT
– 1 – High Wall Type Installation Manual Contents 1 Accessory Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Precautions for Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Selection...
Page 3 - Accessory Parts; Accessory parts
High Wall Type Installation Manual – 2 – EN 1 Accessory Parts Accessory parts <Others> Part name Q’ty Shape Installation plate 1 Wireless remote control 1 Battery 2 Remote control holder 1 Mounting screw Ø0.16” (4 mm) × 1.0” (25 mm) 6 Pan head wood screw Ø1/8” (3.1 mm) × 0.6” (16 mm) 2 Screw...
Page 4 - Precautions for Safety; . When you see this symbol on the unit; WARNING; Failure to do so may cause electric shock.
High Wall Type Installation Manual – 3 – 2 Precautions for Safety Installing, starting up, and servicing air-conditioning equipment can be hazardous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.).Only trained, qualified installers and servic...
Page 5 - CAUTION; Tighten the flare nut with a torque wrench in the specified manner.
High Wall Type Installation Manual – 4 – EN • If refrigerant gas has leaked during the installation work, ventilate the room immediately. If the leaked refrigerant gas comes in contact with fire, noxious gas may generate. • After the installation work, confirm that refrigerant gas does not leak. If ...
Page 6 - Selection of Installation Place; Avoid installing in the following places.
High Wall Type Installation Manual – 5 – 3 Selection of Installation Place WARNING • Install the air conditioner securely in a location where the base can sustain the weight adequately. If the strength is not enough, the unit may fall down resulting in injury. CAUTION • Do not install in a location ...
Page 7 - Installation diagram of Indoor and outdoor units
High Wall Type Installation Manual – 6 – EN Installation diagram of Indoor and outdoor units Installation space The indoor unit shall be installed so that its top surface comes at a height of 6’7” (2 m) or more.Also it must be avoided to put anything on top of the indoor unit. *1 Provide a space...
Page 8 - Wireless remote control; Installation of Indoor Unit; REQUIREMENT; use buffering cloth to not damage the unit.; NO GOOD; ” mark in the right figure.; OK
High Wall Type Installation Manual – 7 – Wireless remote control • A place where there are no obstacles such as a curtain that may block the signal from the indoor unit.• Do not install the remote control in a place exposed to direct sunlight or close to a heating source, such as a stove. • Keep t...
Page 9 - Cutting a hole; Decide the hole position for piping at 7.1”; • To drill a wall that contains a metal lath, wire lath; Mounting the installation plate; Securely fit the installation plate onto the; • In case of block, brick, concrete or similar type; NOTE; • Secure four corners and lower parts of the
High Wall Type Installation Manual – 8 – EN Cutting a hole and mounting installation plate Cutting a hole In case of installing the refrigerant pipes from the rear: 1. Decide the hole position for piping at 7.1” (180 mm) from the arrow mark ( Ö ) on the installation plate and drill a hole at a sli...
Page 10 - Drain Piping Work; Piping and drain hose forming; Remove the front panel; • Slightly open the lower part of the front; Changing drain hose; and then pulling out the drain hose.
High Wall Type Installation Manual – 9 – 5 Drain Piping Work Piping and drain hose forming * Apply heat-insulation for both refrigerant pipe and drain hose surely so that no dew generates inside of the equipment. (Use polyethylene foam for insulating material.) 1. Remove the front panel The front ...
Page 11 - Remove the drains cap; Clip the drain cap by needle-nose pliers and pull out.; Fix the drains cap; ) Insert a 4 mm hexagonal wrench in a centre head.; Right or left piping; Remove the drain hose
High Wall Type Installation Manual – 10 – EN Remove the drains cap Clip the drain cap by needle-nose pliers and pull out. Fix the drains cap 1) Insert a 4 mm hexagonal wrench in a centre head. 2) Firmly insert drains cap. CAUTION Firmly insert the drain hose and drain cap; otherwise, water may leak....
Page 12 - Bottom right or bottom left piping; To connect the pipe after installation of the unit (figure); • Arrange pipes so that any pipe does not stick out of
High Wall Type Installation Manual – 11 – ▼ Bottom right or bottom left piping • After scribing slits of the front panel with a knife or a marking-off pin, cut them with a pair of nippers or an equivalent tool. ▼ Left-hand connection with piping Bend the connecting pipe so that it is laid within 1.7...
Page 13 - Indoor Unit Fixing; • For detaching the indoor unit from the installation; Drainage; • Hole should be made at a slight downward slant
High Wall Type Installation Manual – 12 – EN 6 Indoor Unit Fixing 1. Pass the pipe through the hole in the wall, and hook the indoor unit on the installation plate at the upper hooks. 2. Swing the indoor unit to right and left to confirm that it is firmly hooked up on the installation plate. 3. Whil...
Page 14 - Refrigerant Piping; Flare nut and flare works are also different; IMPORTANT 4 POINTS FOR PIPING WORK; Pipe size; Flaring
High Wall Type Installation Manual – 13 – 8 Refrigerant Piping Refrigerant Piping 1. Use copper pipe with 0.03” (0.8 mm) or more thickness. (In case pipe size is dia. 5/8” (15.9 mm), with 0.04” (1.0 mm) or more.) 2. Flare nut and flare works are also different from those of the conventional refrig...
Page 15 - Tightening connection; • Do not apply excessive torque. Otherwise, the; Tightening torque of flare pipe connections; Piping with outdoor unit; • Shape of valve differs according to the outdoor; Open the valve fully; • The pipe connection section of the indoor unit
High Wall Type Installation Manual – 14 – EN Tightening connection CAUTION • Do not apply excessive torque. Otherwise, the nut may crack depending on the conditions. ▼ Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22.(Approx. 1.6 times) Therefore, using a torq...
Page 16 - Wireless remote control B setup; • Repeat above step to reset wireless remote
High Wall Type Installation Manual – 15 – Wireless remote control A-B selection To use 2 wireless remote controls for the respective air conditioners, when the 2 air conditioners are closely installed. Wireless remote control B setup 1. Push button on the indoor unit to turn the air conditioner ON...
Page 17 - Electrical Connection; Indoor unit power supply; Control wiring, Central control wiring
High Wall Type Installation Manual – 16 – EN 9 Electrical Connection WARNING 1. Use predefined wire and connect them certainly. Keep the connecting terminal free from external force. Improper wire connection or clamping may result in exothermic, fire or malfunction. 2. Connect ground wire. (groundin...
Page 18 - Power supply wire; • Recommended wire diameter and wire length for power supply wire.; Electric characteristics; Ln
High Wall Type Installation Manual – 17 – Power supply wire • Recommended wire diameter and wire length for power supply wire. Electric characteristics Control wire Remote control wiring • 2-core with non-polarity wire is used for wiring of the remote control wiring and group remote controls wiring....
Page 19 - Wiring between indoor and outdoor units; Wiring example
High Wall Type Installation Manual – 18 – EN Wiring between indoor and outdoor units NOTE An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit. ▼ Wiring example U1U2 U1U2U3U4 L1 L2 L3 N U5U6 L1 L2 A B U1U2 L1 L2 A B U1U2 L1 L2 A ...
Page 20 - Wire Connection; • Connect the wires matching the terminal; Insert the control wire fully into the wired
High Wall Type Installation Manual – 19 – Wire Connection REQUIREMENT • Connect the wires matching the terminal numbers.Incorrect connection causes a trouble. • The low-voltage circuit is provided for the wired remote control and control wire.(Do not connect the high-voltage circuit) 1. Remove the...
Page 22 - Applicable Controls; approx. 5 to 10 minutes; Procedure
High Wall Type Installation Manual – 21 – 10 Applicable Controls A wired remote control is necessary for this function. This function cannot be operate with a wireless remote control. REQUIREMENT • When this air conditioner is used for the first time, it takes approx. 5 minutes until the remote cont...
Page 23 - Filter sign setting
High Wall Type Installation Manual – 22 – EN Procedure 2 Each time button is pushed, indoor unit numbers in the control group change cyclically. Select the indoor unit to change settings for.The fan of the selected unit runs and the louvers start swinging. The indoor unit can be confirmed for which ...
Page 24 - Adjustment of air direction; Adjust the right/left air direction by bending; Group control
High Wall Type Installation Manual – 23 – Adjustment of air direction 1. Using the remote control, change the up/ down air direction by moving the horizontal louver. 2. Adjust the right/left air direction by bending the vertical grille inside of the air outlet port with hands. REQUIREMENT Do not t...
Page 25 - Test Run; In case of wired remote control; Before test run
High Wall Type Installation Manual – 24 – EN 11 Test Run ▼ In case of wired remote control Before test run • Before turning on the circuit breaker, carry out the following procedure.1) By using 500V-megger, check that resistance of 1M Ω or more exists between the terminal block L 1 to L 2 and the ...
Page 26 - • For the operation procedure, be sure to follow; • Check wiring/piping of indoor and; button for 10 seconds; • Check transmission of remote control; Push “START/STOP” button of the remote
High Wall Type Installation Manual – 25 – ▼ In case of wireless remote control (Forced test operation is performed in a different way.) REQUIREMENT • For the operation procedure, be sure to follow the Owner’s Manual. • Finish the forced cooling operation in a short time because it applies excessive ...
Page 27 - Troubleshooting; Confirmation and check; Check the errors according to the above
High Wall Type Installation Manual – 26 – EN 12 Troubleshooting A wired remote control is necessary for this function. This function cannot be operate with a wireless remote control. Confirmation and check When an error occurred in the air conditioner, the check code and the indoor UNIT No. appear...
Page 28 - Check codes and parts to be checked; Check method
High Wall Type Installation Manual – 27 – Check codes and parts to be checked Check method On the remote control (Wired remote control, Central control remote control) and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote control) or 7-segment display (on the outdoor ...
Page 31 - Error detected by TCC-LINK central control device
High Wall Type Installation Manual – 30 – EN Error detected by TCC-LINK central control device TCC-LINK : TOSHIBA Carrier Communication Link. P04 P04 01: Comp. 1 side 02: Comp. 2 side 03: Comp. 3 side ALT High-pressure SW system operation IPDU P05 P05 00: Detected phase loss ALT Phase loss error/int...
Page 32 - WARNINGS ON REFRIGERANT LEAKAGE; Check of Concentration Limit; Important
High Wall Type Installation Manual – 31 – WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A whi...
Page 33 - Confirmation of Indoor Unit Setup; Indoor unit setup check sheet
1111053901 Confirmation of Indoor Unit Setup Prior to delivery to the customer, check the address and setup of the indoor unit, which has been installed in this time and fill the check sheet (Table below). Data of four units can be entered in this check sheet. Copy this sheet according to the No. of...
