Page 2 - Model
2 3 [Fig. 3-1] 4 [Fig. 4-1] C D C E D A Unit body B Lifting machine 5 [Fig. 5-1] [Fig. 5-2] [Fig. 5-3] A Center of gravity A Indoor unit’s bottom surface 5.2 5.1 A Access door B Electrical parts box C Air inlet D Air outlet E Ceiling surface F Service space (viewed from the side) G Service space (vi...
Page 7 - L N
7 A For installation in the switch box: B For direct installation on the wall select one of the following: • Prepare a hole through the wall to pass the remote controller cord (in order to run the remote controller cord from the back), then seal the hole with putty. • Run the remote controller cord ...
Page 11 - E D
11 9 [Fig. 9-1] [Fig. 9-2] 9.2 ˚C ˚C SIMPLE PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF TEST RUNCOOL, HEAT A F C E D B M I H G ˚C ˚C SIMPLE PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF B C A E D A ...
Page 13 - Contents; Symbols put on the unit; Selecting the installation location
13 Contents 1. Safety precautions ................................................................................. 132. Selecting the installation location ........................................................... 133. Selecting an installation site & Accessories ................................
Page 14 - Selecting an installation site & Accessories; Install the indoor unit on a ceiling strong enough; Fixing hanging bolts; Confirming the unit’s position and fixing hanging; is at level. Ensure that; Hanging structure; Center of gravity and Product Weight
14 3. Selecting an installation site & Accessories • Select a site with sturdy fixed surface sufficiently durable against the weight of unit.• Before installing unit, the routing to carry in unit to the installation site should be determined. • Select a site where the unit is not affected by ent...
Page 15 - Refrigerant piping work; Outdoor unit connection
15 6. Refrigerant piping work [Fig. 6-5] (P.3) a Flare nut b Copper tube • Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal.(not possible to put them on after flaring work) 6.2.4. Flaring work [Fig. 6-6] (P.3) a Flaring tool b Die c Copp...
Page 16 - Cautions On Refrigerant Piping
16 6. Refrigerant piping work 6.4. Purging procedures leak test PURGING PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoorand the outdoor units. Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe.(The stop valve will not wo...
Page 18 - Install an earth longer than other cables.; Circuit
18 8.1. Power supply 8.1.1. Indoor unit power supplied from outdoor unit The following connection patterns are available.The outdoor unit power supply patterns vary on models. 1:1 System [Fig. 8-1] (P.5) A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch...
Page 19 - ) Installing procedures; Connect the remote controller cord to the terminal block.; ) Function selection of remote controller
19 8. Electrical work 8.2. Indoor wire connection Work procedure1.Remove 2 screws to detach the electric component cover.2.Route each cable through the wiring intake into the electric component box. (Pro- cure power cable and in-out connecting cable locally and use remote control cablesupplied with ...
Page 20 - box or on the wall”; Hole (drill a hole on the ceiling to pass the remote controller wire.); controller circuit board on the indoor unit.; ) Setting the pair number switch
20 8. Electrical work 2) How To Install [Fig. 8-8] (P.8) to [Fig. 8-15] (P.9) 1. Common items for “Installation on the ceiling” and “Installation on the switch box or on the wall” [Fig. 8-8] (P.8) A Signal receiving unit external E 6.5 mm (1/4 inch) B Center of Switch box F 70 mm (2 - 3/4 inch) C Sw...
Page 23 - received, the specified refrigerant address is incorrect.; to
23 9. Test run • If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause. PLEASE WAIT PLEASE WAIT → Error code Display messages do not appear even when operation switch is turned ON (operation lamp does not light up). Symp...
Page 24 - • Do not discharge the refrigerant into the atmosphere.; LED 3 (communication between indoor and outdoor units); Indoor controller board
24 10. Maintenance 10.1. Gas charge [Fig. 10-1] (P.12) A Indoor unit B Union C Liquid pipe D Gas pipe E Stop valve F Outdoor unit G Refrigerant gas cylinder operating valve H Refrigerant gas cylinder for R410A with siphon I Refrigerant (liquid) J Electronic scale for refrigerant charging K Charge ho...
Page 28 - HEAD OFFICE
KD79D905H0 2 Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN KD79D905H01_Backcover.fm Page 24 Friday, October 14, 2011 10:11 AM