Panasonic S-18MK1U6 ECOi/VRF Systems Indoor Unit Installation Manual
Panasonic S-18MK1U6 Manual
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- Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 1
INSTALLATION INSTRUCTIONS VRF System Air Conditioner This air conditioner uses the refrigerant R410A. NOTE External diameter of service port R410A: 5/16" Model No. Indoor Units Type Indoor Unit Type 7 9 12 15 18 19 24 36 48 54 U1 4-Way Cassette Y1 4-Way Cassette - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 2
are all you need for most installation sites and maintenance conditions. If you require help for a special problem, contact our sales/service outlet or your certified dealer for additional instructions. In Case of Improper Installation The manufacturer shall in no way be responsible for improper - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 3
. • Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced. • Do not clean inside the indoor and WARNING outdoor units by users. Engage authorized dealer or specialist for cleaning. • In case of malfunction of this - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 4
Performance Page ■ Ceiling Type (T1 Type) 3-40. Required Minimum Space for Installation and Service 3-41. Suspending the Indoor Unit 3-42. Duct for Fresh Air 3-43. Shaping the APPENDIX 75 ■ NAME OF PARTS ■ Care and Cleaning ■ Troubleshooting ■ Tips for Energy Saving 4 73'@*OEPPS@64JOEC - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 5
1. GENERAL This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the outdoor unit and make sure all accessory parts listed are with the system before beginning. 1-1. Tools Required for Installation (not supplied) 1. - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 6
Table 1-1 (4-Way Cassette) Part Name Full-scale installation diagram Drain hose Hose band Drain insulator Flare insulator Insulating tape Packing Wiring cover Screw Washer Screw Figure Q'ty Remarks 1 Printed on container box 1 For securing drain hose 1 For securing drain hose 1 For drain - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 7
Table 1-4 (High Static Pressure Ducted) Part Name Figure Washer Nut Flare insulator Drain socket Q'ty Remarks 8 For suspending indoor unit from ceiling 8 For suspending indoor unit from ceiling 1 For gas tube 1 For liquid tube 1 For drain pipe connection Table 1-5 (Ceiling) Part Name - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 8
Table 1-8 (Slim Low Static Ducted) Part Name Washer Flare insulation Insulation tape Figure T3 T5 Q'ty 8 For suspension fitting Remarks 2 set For gas / liquid tube connection 2 For gas / liquid tube / flare nut connection Vinyl tie Drain hose insulation Drain hose T10 L140 8 For flare / drain - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 9
cooled. ● select a location where the ceiling is strong enough to support the weight of the unit. ● select a location where tubing and total tubing length (L) from the outdoor unit as detailed in the installation manual packed with the outdoor unit. ● allow room for mounting the remote controller - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 10
(1) Fix the suspension bolts securely in the ceiling using the method shown in the diagrams (Figs. 3-1 and 3-2), by attaching them to the ceiling support structure, or by any other method that ensures that the unit will be securely and safely suspended. (2) Follow Fig. 3-2 and Table 3-1 to make - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 11
(2) The length of suspension bolts must be appropriate for a distance between the bottom of the bolt and the bottom of the unit of more than 19/32" as shown in Fig. 3-5. (3) Thread the 3 hexagonal nuts and 2 washers (field supply) onto each of the 4 suspension bolts as shown in Fig. 3-5. Use 1 nut - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 12
or less (as short as possible) 33-15/32" or less * Length of supplied drain hose = 9-27/32" Fig. 3-9 Upward gradient prohibited Fig. 3-10 Support pieces Fig. 3-11 Drainage check Over 3-15/16" Drain pan outlet Water (Approx. 0.3 gal) Plastic container for water intake Fig. 3-12 12 73'@*OEPPS@64 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 13
match, air leakage, water leakage, flap operation failure, or other problems may occur. CAUTION ● Never place the panel face-down. Either - 43/64" (Fig. 3-13) If not within this range, malfunction or other trouble may occur. Main unit A Ceiling side Ceiling opening dimension Fig. 3-13 Flap Fig. - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 14
with the correct positions on the unit. ● To remove the ceiling panel, support the ceiling panel while pressing the temporary fasteners toward the outside. (Fig. the unit nut. CAUTION ● If the screws are not sufficiently tightened, trouble such as that shown in the figure below may occur. Be sure to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 15
3-6-3. Wiring the Ceiling Panel (1) Open the cover of the electrical component box. (2) Connect the 7P wiring connector (red) from the ceiling panel to the connector in the unit electrical component box. (Fig. 3-24) ● If the connectors are not connected, the Auto flap will not operate. Be sure to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 16
on the remote controller.) In addition, water leakage and condensation may occur. 3-6-6. When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing, remove the air-intake grille and air filter, disconnect the wiring connector inside the electrical component box, and - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 17
the Indoor Unit (1) Fix the suspension bolts securely in the ceiling using the method shown in the diagrams, by attaching them to the ceiling support structure, or by any other method that ensures that the unit will be securely and safely suspended. (Fig. 3-29) (2) Follow the diagram to make - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 18
drain pipe. The pipe should not be allowed to hang unsupported from its connection to the unit. Fasten the pipe to a wall, frame, or other support as close to the unit as possible. (Fig. 3-36) ● Provide insulation for any pipes that are run indoors. 18 Twist tie (4 ties, supplied) Drain port - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 19
45/64". (Fig. 3-38) If not within this range, malfunction or other trouble may occur. Main unit 3-13. How to Install the Ceiling Panel Checking the match, air leakage, water leakage, flap operation failure, or other problems may occur. CAUTION A Ceiling opening dimension Ceiling side Fig. 3-38 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 20
hole (4 locations) Main unit Do not allow gaps Ceiling surface Ceiling panel Fig. 3-46 CAUTION ● If the screws are not sufficiently tightened, trouble such as that shown in the figure below may occur. Be sure to tighten the screws securely. ● If a gap remains between the ceiling surface - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 21
on the remote controller.) In addition, water leakage and condensation may occur. 3-13-6. When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing, remove the air-intake grille and air filter, disconnect the wiring connector inside the electrical component box, and - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 22
in the ceiling. (Figs. 3-52 and 3-53) (2) Depending on the ceiling type: ● Insert suspension bolts as shown in Fig. 3-54 or ● Use existing ceiling supports or construct a suitable support as shown in Fig. 3-55. ● Make sure that the length of suspension bolts from the bottom of the unit is 19/32" or - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 23
3-15. Placing the Unit Inside the Ceiling CAUTION Be sure to use a level gauge and confirm that the unit is level. If it is not level, water leakage may occur. (1) Use the supplied M5 or 3/16" screws (4) to attach the full-scale installation diagram to the indoor unit suspension lugs, in order to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 24
19/32 CAUTION 2-1/8 2-1/8 ● The indoor unit includes a drain pump. Be sure to use a level gauge and verify that the unit is level. ● Before inserting the ceiling material, complete as much of the drain piping work and refrigerant tubing work as possible. (6) The distance between the unit and the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 25
its connection to the unit. Fasten the pipe to a wall, frame, or other support as close to the unit as possible. (Fig. 3-67) ● Provide insulation . CAUTION The bottom drain port is for use only during test runs and servicing inspections. Do not connect the drain pipe to the bottom drain port. 25 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 26
indoor unit are as shown in Fig. 3-70. If the positions of the ceiling surface and indoor unit are not correct, problems such as air leakage, water leakage, and flap operation trouble may occur. ● Do not rest the panel facing downwards, lean up against a wall, or leave it sitting on top of - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 27
At this point, the panel is now provisionally fastened to the unit. ● When removing the panel, press the movable hook toward the inside while supporting the panel. (Fig. 3-76) Stationary hook 27 Hook receiver Press to remove. Moveable hook Fig. 3-76 Fig. 3-75 Moveable hook 73'@*OEPPS@64JOEC - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 28
tool into the side panel installation holes and make fine adjustments to the indoor unit nuts. CAUTION ● If the screws are not fully tightened, problems such as those shown below may occur. Be sure to tighten the screws securely. Air leakage Ceiling panel air leakage Stains Condensation and water - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 29
3-19-3. Wiring the ceiling panel (1) Loosen the 2 screws on the electrical component box lid, and remove the lid. (Fig. 3-80) (2) Fasten the wiring connector (7P, red) which comes out from the ceiling panel using the lead wire clamps (2 locations) on the unit. Then connect it to the connector (7P, - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 30
is shown in Fig. 3-84 and Table 3-3. ● It is recommended that space be provided (17-23/32" × 17-23/32") for checking and servicing the electrical system. ● Fig. 3-85 and Table 3-4 show the detailed dimensions of the indoor unit. Table 3-3 Type A (Length) Number of duct flanges 7, 9, 12, 15 30 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 31
21. Suspending the Indoor Unit Depending on the ceiling type: • Insert suspension bolts as shown in Fig. 3-86 or • Use existing ceiling supports or construct a suitable support as shown in Fig. 3-87. Hole-in-anchor Hole-in-plug Concrete Inser t WARNING It is important that you use extreme care - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 32
drain pipe. The pipe should not be allowed to hang unsupported from its connection to the unit. Fasten the pipe to a wall, frame, or other support as close to the unit as possible. (Fig. 3-96) Refer to "■ SUPPLEMENT ON DRAIN PIPING". 3-23. Checking the Drainage After wiring and drain piping are - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 33
flow volume may drop too low at each air outlet. This problem may be solved by increasing the fan speed using the following procedure: (1) the air 0.40 flow volume may drop too low at each air outlet. This problem may be solved by increasing the fan speed as explained 0.20 above. Limit line - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 34
with a downward gradient against horizontal. Level gauge Air outlet duct flange (Prohibited) (Prohibited) Fig. 3-100 3-26. Required Minimum Space for Installation and Service If the ceiling tiles cannot be removed, provide the opening holes on the lower side of the indoor unit for removing the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 35
unit and ducts are not visible. Only the air intake and air outlet ports are visible from below. ● The minimum space for installation and service is shown in the diagram. ● *H dimension means the minimum height of the unit. ● Select the *H dimension such that a downward slope of at least 1/100 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 36
3-28. Preparations Before Installation (1) Confirm the positional relationship between the unit and suspension bolts. (Refer to the diagram.) • Install the inspection opening on the control box side where maintenance and inspection of the control box are easy. The drain pump can only be inspected - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 37
3-30. Installing the Duct Connect the duct supplied in the field. Air inlet side ● Attach the duct and intake-side flange (field supply). ● Connect the flange to the main unit with 10 - Ø1/8" (Hole) screws. ● Wrap the intake-side flange and duct connection area with aluminum tape or something similar to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 38
off the suspension lugs. Suspension bolt Hole-in-anchor Hole-in-plug Concrete Insert Suspension bolt (M10 or 3/8") Fig. 3-107 Ceiling tiles Ceiling support Fig. 3-108 Nuts and washers (use for upper and lower) Suspension bolt Suspension lug Hexagonal nut Double nuts Fig. 3-109 (4) Adjust the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 39
drain pipe. The pipe should not be allowed to hang unsupported from its connection to the unit. Fasten the pipe to a wall, frame, or other support as close to the unit as possible. 3-33. Checking the Drainage After wiring and drain piping are completed, use the following procedure to check that - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 40
CAUTION Be careful since the fan will start when you short the pin on the indoor control board. Wiring port (4) When the check of drainage is complete, open the check pin (CHK) Water inlet and remount the insulator and drain cap onto the drain inspection port. Eyelet cap 3-34. Increasing the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 41
● Fig. 3-119 and Table 3-5 show the detailed dimensions of the indoor unit. 5-1/8 19-11/16 11-27/64 Min. 23-5/8 (Space for service) 37 38-37/64 Suspension bolt pitch Suspension bolt pitch Air suction side Refrigerant tubing Inspection access (23-5/8" × 23-5/8") Electrical component Min. 23 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 42
as shown in Fig. 3-122. Hole-in-anchor Hole-in-plug Concrete Insert Suspension bolt (M10 or 3/8") (field supply) Fig. 3-120 Ceiling tiles Ceiling support Fig. 3-121 Air-outlet grille Hexagonal nuts and washers (2 sets) Suspension bolt 25/32" - 1-31/32" Air-intake grille Fig. 3-122 42 73 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 43
3-37. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 1-1/4") for the drain and use the supplied drain socket to prevent water leaks. The PVC pipe must be purchased separately. When doing this, apply adhesive for the PVC pipe at the connection point. (2) If connecting a drain - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 44
■ Ceiling Type (T1 Type) 3-40. Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit 6-11/16 Table 3-6 Unit: in. Dimension Type A B C 12, 18 33-21/32 35-53/64 8-17/64 24 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 45
. 3-131 Hole-in-anchor Hole-in-plug Concrete Ceiling Wall Inser t Suspension bolt (M10 or 3/8") (field supply) Fig. 3-132 Ceiling tiles Ceiling support A A Pull out the air-intake grille pushing claws of the hinges Screw Latch Fig. 3-133 Hinge Slide unit Ceiling surface Fixture Fig. 3-134 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 46
(5) Before suspending the indoor unit, remove the 2 or 3 screws on the latch of the air-intake grilles, open the grilles, and remove them by pushing the claws of the hinges as shown in Fig. 3-135. Then remove both side panels sliding them along the unit toward the front after removing the 2 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 47
3-42. Duct for Fresh Air There is a duct connection port (knock-out hole) at the rightrear of the top panel of the indoor unit for drawing in fresh air. If it is necessary to draw in fresh air, remove the cover by opening the hole and connecting the duct to the indoor unit through the connection - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 48
above the top of the main unit. (For details, refer to the manual of the optional part.) * If the drain hose is routed through the left electrical codes and regulations before wiring. Also, check any specified instruction or limitations. How to carry out power supply wiring (1) Wiring connection - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 49
■ Wall Mounted Type (K1 Type) 3-45. Removing the Rear Panel from the Unit (1) Remove the set screws used to fasten the rear panel to the indoor unit during transportation. (2) Press up on the frame at the 2 locations shown by the arrows in the figure at right, and remove the rear panel. Screws used - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 50
3-47. Installing the Rear Panel onto the Wall Confirm that the wall is strong enough to support the unit. See either Item a) or b) below depending on the wall type. a) If the Wall is Wooden (1) Attach the rear panel to the wall with - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 51
3-49. Preparing the Tubing (1) Arrangement of tubing by directions a) Right or left tubing The corner of the right or left frame should be cut with a hack saw or similar. (Fig. 3-162) b) Right-rear or left-rear tubing In this case, the corners of the frame do not need to be cut. (2) Be sure to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 52
3-50. Shaping the Tubing Right-rear tubing (1) Shape the refrigerant tubing so that it can easily go into the hole. (Fig. 3-166) (2) After performing a leak test, wrap both the refrigerant tubing and drain hose together with insulating tape. The drain hose should be positioned below the refrigerant - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 53
3-52. When Using Wireless Remote Controller Instead of Wired Remote Controller When the wireless remote controller is to be used, slide the switch on the indoor unit control PCB. ● If this setting is not made, an alarm will occur. (The operation lamp on the display blinks.) ● This setting is not - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 54
Description Clamp 3 (Large: 13-25/32", Small: 7-7/8") 4 Installation manual 2 Flare insulator 2 5 Insulating tape Shape Q'ty Large: 2 Small: Refrigerant-flow noise may occur from the external electronic expansion valve. As a guide, the distance from the indoor unit should be a minimum of 16.4 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 55
3. Cutting and Flaring of Liquid Tube After determining the position for installation, cut the liquid tube and flare the connecting portion. (Pay attention to the notes below when flaring the tubes.) NOTE ● After cutting the tube, deburr and finish the end face smoothly and correctly. ● Do not damage - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 56
5. Flare Insulation of Tubing After completing a leakage test, apply heat insulation. (Fig. 3-191) * Use the flare insulator provided with the product. Indoor side Insulating tape Flare insulator Outdoor side Insulating tape Flare insulator Clamps (small) Be careful not to allow a gap to occur - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 57
on and then turn the power off again at the mains. * The electronic expansion valve becomes full-open in the 1 minute. Do not give instructions for operation through the remote controller during this time. (4) Open the electrical component box. From the control PCB, disconnect the connector to the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 58
■ Floor Standing Type (P1 Type) Concealed Floor Standing Type (R1 Type) 3-54. Required Minimum Space for Installation and Service Install the unit where cooled or heated air from the unit can circulate well in the room. Do not put obstacles which may obstruct the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 59
/16) 1-3/16 Air inlet 1-3/16 Fig. 3-179 5-25/32 8-5/64 Unit: in. NOTE Make an opening in the housing of the unit so that maintenance service can be peformed on the electrical component box, air filter, refrigerant tubing connection, and drain pipe. 59 73'@*OEPPS@64JOEC - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 60
3-56. Removing and Attaching the Front Panel (Floor Standing Type) NOTE A dew-prevention heater is secured behind the front panel. When removing or attaching the panel, take care not to damage the lead wire to the heater. How to remove the front panel (1) Remove the 2 screws at the lower part of the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 61
as shown in Fig. 3-187. Assemble the lead wires of the remote controller to its rear side center and route them to the lead wire guide. (4) Secure the fixture using the supplied screws. Vinyl clamp (supplied) Hose band (supplied) Hard PVC pipe VP20 (field supply) Vinyl clamps (supplied) Fig. 3-185 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 62
■ SUPPLEMENT ON DRAIN PIPING 1. Drain hose installation Drain port (Drainage check section on drain port, transparent, ABS resin) Hose band (supplied) Soft PVC socket Drain hose (supplied) Hard PVC socket (VP25) Hard PVC pipe (VP25 field supplied) Indoor unit Bead Do not use adhesive here. - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 63
4. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) Provide a power outlet to be used exclusively for each unit, and a power supply disconnect, - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 64
4-3. Wiring System Diagram * Power supply L1 208 / 230V, 60Hz, 1-PH L2 Remote Ground Controller B WHT 1 1 BLK 2 2 * Power supply L1 208 / 230V, 60Hz, 1-PH L2 Remote Ground Controller B WHT 1 1 BLK 2 2 Group control: Power supply * L1 208 / 230V, 60Hz, 1-PH L2 Ground Indoor - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 65
CAUTION (1) When linking outdoor units in a network, disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) For a system without - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 66
. A fire hazard may also exist. Therefore, ensure that all wiring is tightly connected. When connecting each power wire to the terminal, follow the instructions on "How to connect wiring to the terminal" and fasten the wire securely with the fixing screw of the terminal plate. How to connect wiring - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 67
4-4. Important Note When Wiring for Common Type Connect the wires referring to the diagram. Note that the control wirings (Low voltages) shall be segregated from the power supply wires (High voltage) as follows: 1. Connect the Inter-unit control wiring to U1/U2 terminals and the remote control wire - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 68
Important Note When Wiring for Common Type (Continued) E1 Type Remote control wiring and Inter-unit control wiring (field supplied) T1 Type Clamping clip Remote control wiring (field supplied) Clamping clip Conduit (field supplied) Earth screw Power wiring (field supplied) M1 Type Earth screw - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 69
Important Note When Wiring for Common Type (Continued) K1 Type Model : S-07MK1U6 S-09MK1U6 S-12MK1U6 Clamping strap Connection for Solenoid Valve Kit (for 3WAY) Power wiring (field supplied) Conduit (field supplied) K1 Type Model : S-18MK1U6 S-19MS1U6* S-12MK1U6 Clamping strap Power wiring (fi - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 70
4-5. Important Note When Wiring for Y1 Type Connect the wires referring to the diagram. Note that the control wirings (Low Voltages) shall be segregated from the power supply wires (High Voltage) as follows: 1. Connect the Inter-unit control wiring to U1/U2 terminals and the remote control wire to - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 71
5. HOW TO PROCESS TUBING The liquid tubing side is connected by a flare nut, and the gas tubing side is connected by brazing. 5-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 72
caused by refrigerant leakage. ● In order to prevent damage to the flare caused by over-tightening of the flare nuts, use the table above as a guide when tightening. ● When tightening the flare nut on the liquid tube, use an adjustable wrench with a nominal handle length of 7-7/8 in. 72 73'@*OEPPS@64 - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 73
5-3. Insulating the Refrigerant Tubing Tubing Insulation ● Thermal insulation must be applied to all unit tubing, including the distribution joint (purchased separately). (Fig. 5-7) * For gas tubing, the insulation material must be heat resistant to 248°F or above. For other tubing, it must be heat - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 74
5-4. Taping the Tubes (1) At this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped together with armoring tape in 1 bundle. To prevent the condensation from overflowing the drain pan, keep the drain hose separate from the refrigerant tubing. (2) Wrap the - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 75
6. APPENDIX ■ NAME OF PARTS 4-Way Cassette (U1) 1-Way Cassette (D1) Water drain Ceiling panel (optional) Air outlet (4 locations) Air intake grille (air intake) Water drain Air outlet Ceiling panel (optional) Air intake Slim Low Static Ducted (M1) Rectangular solid duct (optional) Water drain - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 76
at the time of shipment. To get clean air and to extend the service life of the air conditioner, an air filter must be installed in the air intake. For installation and cleaning the air filter, consult your dealer or service center. NOTE The frequency with which the filter should be cleaned depends - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 77
the air intake grille downward. CAUTION ● When cleaning the air filter, never remove the safety chain. If it is necessary to remove it for servicing and maintenance inside, be sure to reinstall the safety chain securely (hook on the grille side) after the work. ● When the filter has been removed - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 78
■ Care and Cleaning (continued) How to remove the filter (continued) Ceiling (T1): 1. Take hold of the finger-hold on the air intake grille and press it to the rear, and the grille will open downward. 2. Take hold of the finger-hold on the air filter, pull it toward you. Air intake grill finger-hold - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 79
■ Care and Cleaning (continued) How to remove the filter (continued) Floor Standing (P1): Concealed Floor Standing (R1): 1. Remove the screw at the bottom left of the front panel using a Phillips head screwdriver. (Be sure to replace the screw when cleaning is finished.) 2. Remove the filter by - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 80
with dirt or soot. 3. The internal coil and other components of the outdoor unit must also be cleaned periodically. Consult your dealer or service center. Care: After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage; if there is a blockage, remove - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 81
■ Troubleshooting If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or a service center. Trouble Possible Cause Air conditioner does not run at 1. Power failure. all. 2. Leakage - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 82
82 73'@*OEPPS@64JOEC - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 83
83 73'@*OEPPS@64JOEC - Panasonic S-18MK1U6 | ECOi/VRF Systems Indoor Unit Installation Manual - Page 84
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INSTALLATION INSTRUCTIONS
VRF System Air Conditioner
This air conditioner uses the refrigerant R410A.
NOTE
External diameter of service port R410A: 5/16"
Model No.
Indoor Units
Type
Indoor Unit Type
7
9
12
15
18
19
24
36
48
54
U1
4-Way Cassette
S-12MU1U6
(CZ-36KPU2U)**
S-18MU1U6
(CZ-36KPU2U)**
S-24MU1U6
(CZ-36KPU2U)**
S-36MU1U6
(CZ-36KPU2U)**
Y1
4-Way Cassette
60 × 60
S-12MY1U6
(CZ-18KPY1U)**
S-18MY1U6
(CZ-18KPY1U)**
D1
1-Way Cassette
S-07MD1U6
(CZ-12KPD1U)**
S-09MD1U6
(CZ-12KPD1U)**
S-12MD1U6
(CZ-12KPD1U)**
F1
Low Silhouette
Ducted
S-07MF1U6
S-09MF1U6
S-12MF1U6
S-15MF1U6
S-18MF1U6
S-24MF1U6
S-36MF1U6
S-48MF1U6
S-54MF1U6
M1
Slim Low Static
Ducted
S-07MM1U6 S-09MM1U6 S-12MM1U6 S-15MM1U6 S-18MM1U6
E1
High Static
Pressure Ducted
S-36ME1U6
S-48ME1U6
T1
Ceiling
S-12MT1U6
S-18MT1U6
S-24MT1U6
K1
Wall Mounted
S-07MK1U6
S-09MK1U6
S-12MK1U6
S-18MK1U6
S-19MS1U6* S-24MK1U6
P1
Floor Standing
S-07MP1U6
S-09MP1U6
S-12MP1U6
S-15MP1U6
S-18MP1U6
S-24MP1U6
R1
Concealed Floor
Standing
S-07MR1U6
S-09MR1U6
S-12MR1U6
S-15MR1U6
S-18MR1U6
S-24MR1U6
* Necessary to install the External Electronic Expansion Valve Kit (Optional : CZ-P56SVK1U)
** Panel (optional parts)
Optional Controllers
RC
Timer Remote Controller
CZ-RTC2
Wireless Remote Controller (For F1, M1, E1, P1, R1 Types)
CZ-RWSC1U
Wireless Remote Controller (For U1 Type)
CZ-RWSU1U
Wireless Remote Controller (For Y1 Type)
CZ-RWSY1U
Wireless Remote Controller (For D1, T1 Types)
CZ-RWST1U
Wireless Remote Controller (For K1 Type)
CZ-RWSK1U
Simplified Remote Controller
CZ-RE2C2
System Controller
CZ-64ESMC1U
Schedule Timer
CZ-ESWC2
Intelligent Controller
CZ-256ESMC1U
Communication Adaptor
CZ-CFUNC1U
Remote Sensor
CZ-CSRC2
LonWorks Interface
CZ-CLNC1U
85464369530011
CV6233187013
VRF_Indoor_US.indb 1
VRF_Indoor_US.indb
1
2011/09/30 12:22:53
2011/09/30
12:22:53