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Panasonic ECOi 2 Way Installation Manual

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2. Front view 18 Right side view unit in 35 Ceiling panel dimensions 2 1 106 1 8 74 1 16 ox ee aad seg es Se e e eS LS ee SS eS os os state XX os eS os te x te x l e s Rete xXx ses SS tete e xs Meteo son S SS S SRS o Right side view 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM 2 7 Dimensions of Snow Ducting A P19 e Reference diagram for snow proof ducting field supply T 5 i Air direction Air direction Front direction i A Right direction Ie MS MEME x e alo el Si T 30202 1S E Ceiling panel 5 Ea a 28 Ceiling panel a y 9 31 1 2 31 1 2 m Air intake duct 54 unit in 9 1 2 iub duct 9 1 2 9 1 2 35 9 1 2 9 1 2 35 9 1 2 Ceiling panel dimensions Ceiling panel dimensions Ceiling panel dimensions 54 32 7 8 32 7 8 1 pe S y S 2 y ES ip j S oed 4 po o o X gt o D O g o o9 4 OG Y TA LEM ag Front view Ri
3. z Q S005 TE ON ON No 2 sub unit No 3 sub unit o JP 128 ofr A No of 8006 om Unit S007 Unit S007 outdoor ON on Unit number number N oN number SN ON units 3 units p setting i T setting ged 3 setting BAY M setting orF Unit No 1 Y Y Wi UnitNo 2 2 3 OFF Unit No 3 123 OFF mm Leave the socket that j is used to short circuit Unit the terminal plug Unit Unit Outdoor Unit No 1 CN003 No 2 No 3 Main Inter outdoor unit Sub Inter outdoor unit Sub control wiring N control wiring Inter unit control wiring AL M Indoor Unit 1 1 1 2 1 3 1 10 Remote control Remote Controller communucation wiring Case 1 Fig 7 5 1 Automatic Address Setting from the Outdoor Unit 1 To set the number of outdoor units on the outdoor main unit control PCB set the No of outdoor units DIP switch S006 to ON ON ON a a T S 3 units and set the unit No DIP switch S007 to E E unit No 1 main outdoor unit 1 2 3 OFF 1 2 3 ON 2 On the No 2 sub unit control PCB set the unit No switch S007 to g unit No 2 3 2 ON On the No 3 sub unit control PCB set the unit No switch S007 to Bn g unit No 3 1 28 3 On the outdoor main unit control PCB check that the syste
4. Inter unit Inter outdoor unit control wiring control wiring Outdoor Unit 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM lt 26 b 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 link no connection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 4 1 Outdoor unit Outdoor unit Outdoor unit N a Prohibited X rr Cee eer eene XK Prohibited Indoor unit Indoor unit Fig 4 1 Indoor unit Indoor unit Indoor unit 3 Do not install inter unit control wiring such as star branch wiring Star branch wiring causes mis address setting Outdoor unit NO Indoor unit Branch point Fig 4 2 4 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches less than 3 3 ft are not included in the total branch number Fig 4 3 Outdoor unit Outdoor unit Outdoor unit 77 of 7 77 more than 3 3 ft Branch point 16 or fewer more than 3 3 ft Indoor unit less than 3 3 ft Indoor unit Fig 4 3 26 08 323 W
5. a A unit in we T 2 E 5 S a fa E e 5 DY 2o E 2 lS cle is a 2 S Y 31 1 8 Installation hole pitch 35 Ceiling panel dimensions 113 Ceiling panel dimensions 35 35 35 Ceiling panel dimensions Ceiling panel dimensions Ceiling panel dimensions 4 m 8 S 5 2 ls g st2QE Outer KEREDE Qa S E 15 13 s E e e ES y 31 1 8 31 1 8 31 1 8 Installation hole pitch Installation hole pitch installation hole pitch 109 Installation hole pitch Top view Fig 3 4 20 Plate leg Anchor bolts Unit in The vibration insulator base or platform must be large enough to bear the full surface of the base plate legs Fig 3 2 a o 5 E i oc Detailed view of legs gee 2585 EN SBS un BEB o co 6 z Y e 4 5 8 x 6 8 hole 1 1 2 o Unit in 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A yY21 3 3 Routing the Tubing The tubing can be routed out either from the front or from the bottom Fig 3 6 O The connecting valve is contained inside the unit Therefore remove the front panel Fig 3 6 1 If the tubing is routed out from the front use cutting pliers or a similar tool to cut out the tubing outlet slit part indicated by from the tubing cover Figs 3 5 and 3 6 Tubing cover Remove 2 screws
6. Power supply L1 o 208 230V 60Hz 1 PH L2 SS Ground Remote em BLK Controller em WHT em Blk 2 BLK oS els wHT 1 wWwHT fm CONNECTOR 2P WHT 1 Refer to Section 4 2 Recommended Wire Length and Wire Diameter for Power Supply System for the explanation of A B C and D in the above diagram 2 The basic connection diagram of the indoor unit shows the 7P terminal board so the terminal boards in your equipment may differ from the diagram 3 Refrigerant Circuit R C address should be set before turning the power on 4 Regarding the R C address setting refer to Section 7 4 Auto Address Setting Address setting can be execut ed by remote controller automatically L1 Power suppl D E O pply olle ex o ol2 208 230V 60Hz 3 PH e B E 0 L3 e sila Eo Ground DCD Inter outdoor unit control wiring Outdoor unit INV unit eo L1 Power supply e o ol2 208 230V 30 60Hz El EO L3 Ground 25 NOTE Disconnect switch Field Supply Disconnect Switch may be needed by the National Local code LOCAL CODE REQUIREMENTS ALWAYS COMPLY WITH NATIONAL AND 4P terminal board HUH 4P terminal board else 0 TOF DQG Lait
7. where the test run will be performed m Y Make necessary Turn ON the indoor and outdoor unit corrections power for that refrigerant system only A CASE 3B NO Will automatic address setting YES CASE 3A Y be performed in Heating mode Turn OFF the Short circuit the automatic address pin indoor and outdoor CN100 on the outdoor main unit PCB Y unit power for 1 second or longer then release it Is it OK to start the compressors Is it OK to start the compressors 4 Y i Check the LED 1 and 2 blink alternately Y alarm contents about 2 or 3 minutes Turn ON the indoor and outdoor unit power Turn ON the indoor and outdoor unit power i 2 i 12 Y Short circuit the mode change pin CN101 on the outdoor main unit PCB At the same time short circuit the automatic address pin CN100 4 for 1 second or lon for 1 second or longer then release it Short circuit the automatic address pin CN100 on the outdoor main unit PCB Are LEDs 1 and 2 on the outdoor unit PCB OFF ger then release it 3 a i Make necessary YES corrections Start indoor and outdoor unit cooling operation LED 1 and 2 blink alternately Start indoor and outdoor unit heating operation LED 1 and 2 blink alternately A Turn OFF the indoor and outdoor unit power Y 4 ji NO Check th a eck the CAre LEDs
8. gt Remove 11 panel Screws from front 2 If the tubing is routed out from the bottom remove the slit part YI O Use a drill bit approximately 13 64 dia to create holes at the 4 slit hole indentations openings O Punch out the slit part O Be careful not to damage the base plate Use cutting pliers or similar tool to cut cover out Fig 3 5 Indentation 4 locations Slit hole Fig 3 6 21 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM amp 222 3 4 Prepare the Tubing O Material Use C1220 phosphorous deoxidized copper as described in JIS H3300 Copper and Copper Alloy Seamless Pipes and Tubes For tubes that are 97 8 622 22 mm or larger use 1 2H material or H material For all others use O material O Tubing size Use the tubing size indicated in the table below O When cutting the tubing use a tube cutter and be sure to remove any burrs The same applies to distribution tubing optional When bending the tubes bend each tube using a radius that is at least 4 times the outer diameter of the tube When bending use sufficient care to avoid crushing or damaging the tube O For flaring use a flare tool and be sure that flaring is performed correctly CAUTION Use sufficient caution during preparation of the tubing Seal the tube ends by means of caps or taping to prevent dust moisture or other foreign substances from en
9. 08 323 W 2WAY IL NA DOE 11 11 7 5 33 PM x va INSTALLATION INSTRUCTIONS 2WAY VRF System Air Conditioner This air conditioner uses the refrigerant R410A External diameter of service port R410A 5 16 Panasonic Model No Outdoor Units Type Outdoor Unit Type 72 96 U 2WAY VRF System U 72ME1U9 U 96ME1U9 U 72ME1U9E U 96ME1U9E Salt Air Damage Resistant Specifications Indoor Units Type Indoor Unit Type 7 9 12 15 18 D1 1 Way Cassette S 07MD1U6 S 09MD1U6 S 12MD1U6 U1 4 Way Cassette S 12MU1U6 S 18MU1U6 Y1 4 Way Cassette 60 x 60 S 12MY1U6 S 18MY1U6 K1 Wall Mounted S 07MK1U6 S 09MK1U6 S 12MK1U6 S 18MK1U6 T1 Ceiling S 12MT1U6 S 18MT1U6 F1 Low Silhouette Ducted S 07MF1U6 S 09MF1U6 S 12MF1U6 S 15MF1U6 S 18MF1U6 M1 Slim Low Static Ducted S 07MM1U6 S O9MM1U6 S 12MM1U6 S 15MM1U6 S 18MM1U6 E1 High Static Pressure Ducted P1 Floor Standing S 07MP1U6 S O9MP1U6 S 12MP1U6 S 15MP1U6 S 18MP1U6 R1 Concealed Floor Standing S 07MR1U6 S 09MR1U6 S 12MR1U6 S 15MR1U6 S 18MR1U6 Type Indoor Unit Type 19 24 36 48 54 D1 1 Way Cassette U1 4 Way Cassette S 24MU1U6 S 36MU1U6 Y1 4 Way Cassette 60 x 60 K1 Wall Mounted S 19MS1U6 S 24MK1U6 T1 Ceiling S 24MT1U6 F1 Low Silhouette Ducted S 24MF1U6 S 36MF1U6 S 48MF1U6 S 54MF1U6 M1 Slim Low Static Ducted E1 High Static Pressure Ducted S 36ME1U6 S 48ME1U6
10. Tube branching methods horizontal use e x Horizontal line B View as seen NS from arrow Arrow view Types of vertical trap specifications When using ball valve Main tubing Ball valve J Indoor unit more than 2 units BV purchased If only 1 unit is connected a ball valve separately is also needed on this side Indoor unit 1 When not using ball valve Main tubing To orizonta Indoor unit Each unit is connected to tubing that is either level or is directed downward Branch tubing is directed upward More than 8 inch Indoor unit is directed downward 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A EI2 1 12 Optional Distribution Joint Kits See the installation instructions packaged with the distribution joint kit for the installation procedure Table 1 12 Model name Cooling capacity after distribution Remarks 1 CZ P680PJ1U 232 000 BTU h 68 0 kW or less For outdoor unit 2 CZ P1350PJ1U 460 700 BTU h 135 0 kW or less For outdoor unit 3 CZ P160BK1U 76 400 BTU h 22 4 kW or less For indoor unit 4 CZ P680BK1U or less For indoor unit 5 CZ P1350BK1U 232 000 BTU h 68 0 kW 460 700 BTU h 135 0 kW or less For indoor unit E Tubing size with thermal insulation 1 CZ P680PJ1U For outdoor unit Capacity after distribution joint is 232 0
11. 01 4 06 35 0 279 essary amount of additional refrigerant charge per outdoor unit 03 8 09 52 0 602 Always charge accurately using a scale for weighing f the existing tubing is used and the amount of on site additional refrigerant 91 2 912 7 1 38 charge exceeds the value listed below then change the size of the tubing to 95 8 015 88 1 99 reduce the amount of refrigerant 93 4 919 05 2 78 Max additional charge for 1 outdoor unit 62 Ibs 07 8 022 22 3 93 Max additional charge for 2 outdoor units 111 lbs Table 1 10 2 Necessary Amount of Additional Refrigerant Charge Per Outdoor Unit Further charge a certain amount listed below in addition to the amount of refrigerant charge U 72ME1U9 U 72ME1U9E U 96ME1U9 U 96ME1U9E 42 oz unit 42 oz unit 1 9 System Limitations Table 1 11 System Limitations Max No allowable connected outdoor units 341 288 000 BTU h 24 ton 84 4 kW Max capacity allowable connected outdoor units Max connectable indoor units 40 50 130 Max allowable indoor outdoor capacity ratio 1 Up to 3 units can be connected if the system has been extended 10 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A VI11 Always check the gas density WARNING limit for the room in which the unit is installed 1 10 Check of Limit Density When installing an air conditioner in a room it is necessary to ensure tha
12. 5 minutes is required During automatic address setting NAMING is displayed on the remote controller This message disappears when automatic address setting is completed Repeat the same steps to perform automatic address setting for each successive system 43 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM amp 744 b Display during automatic address setting On outdoor main unit PCB LED 2 1 Do not short circuit the automatic address setting pin CN100 again while automatic address set B B ting is in progress Doing so will cancel the setting operation and will cause LEDs 1 and 2 to turn it OFF Blink alternately When automatic address setting has been successfully completed both LEDs 1 and 2 turn OFF LED 1 is D72 LED2 is D75 If automatic address setting is not completed successfully refer to the table below and correct the problem Then perform automatic address setting again Display details of LEDs 1 and 2 on the outdoor unit control PCB 34 ON 3X Blinkng OFF LED 1 LED 2 Display meaning Xt xt After the power is turned ON and automatic address setting is not in progress no communication with the indoor units in that system is possible e X After the power is turned ON and automatic address setting is not in progress 1 or more indoor units are confirmed in that system however the number of indoor units does
13. L3 CZ P680BK1U for indoor unit CZ P1350BK1U for indoor unit H1 Explanation of symbols 038 039 140 hon TEMKMNMEN LF extension Distribution joint cC CZ purchased separately For t extension 4 Ball valve field supply ii H2 F8 T joint field supply 23 D x Solidly welded shut Ee 4 YY pinch weld L4 gt 010 Do not use commercially available T joints for the liquid tubing Mills ana lt parts Be sure to use special R410A distribution joints CZ purchased separately for outdoor unit connections and tubing branches Table 1 2 Ranges that Apply to Refrigerant Tubing Lengths and to Differences in Installation Heights CO me mes O fi Actual length L1 Max tubing length Equivalent length Difference between max length and min lt beat length from the No 1 distribution joint oar tubing M Max length of main tubing at max diameter lt 262 3 91 22 040 Max length of each distribution tube 98 L1 91 02 039 4A Total max tubing length including length of each distribution L5 H1 18 LF LG LH tube only liquid tubing z dd Distance between outdoor units lt 32 When outdoor unit is installed higher than indoor unit lt 164 When outdoor unit is installed lower than indoor unit lt 131 Max difference between indoor units lt 49 Max difference between outdoor units lt 13 Allowable elevation difference Allowable length of L3 T joint tubing fi
14. O Refer to Automatic Address Setting from Remote Controller 42 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM amp 243 Case 3B Automatic Address Setting in Cooling Mode O Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic address setting can be performed during Cooling operation Automatic Address Setting from Outdoor Unit 1 Perform steps 1 4 in the same way as for Case 2 5 Turn the indoor and outdoor unit power ON at all systems y 6 To perform automatic address setting in Cooling mode on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the mode change 2P pin CN101 At the same time short circuit the automatic address pin CN100 for 1 second or longer then release it Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time l Communication for automatic address setting begins the compressors turn ON and automatic address setting in Cooling mode begins All indoor units operate Tocancel again short circuit the automatic address pin CN100 for 1 second
15. 019 05 9015 88 91 2 012 7 12 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A amp 713 CZ P160BK1U Use For indoor unit Capacity after distribution joint is 76 400 BTU h 22 4 kW or less Example Gas tubing 4 21 64 3 13 16 gt Liquid tubing 4 21 64 3 13 16 rm c 1 m Minn i sanus Distribution i Distribution Joint Insulation Joint Insulation Unit in Table 1 15 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E 93 4 95 8 01 2 93 8 g1 4 in mm 019 05 015 88 612 7 99 52 96 35 CZ P680BK1U Use For indoor unit Capacity after distribution joint is greater than 76 400 BTU h 22 4 kW and no more than 232 000 BTU h 68 0 kW Example Gas tubing Liquid tubing 4 21 64 3 13 16 P8 M Distribution Joint Ezra qo ES i ANA Reducing Reducing Joints Insulation Joints Insulation Unit in Table 1 16 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E Part F Part G Pa
16. 35 1 lt 32 1 8 re e 74 1 16 e oe eee s SS oe S s s x Ss eS SS ates e oe BEN 9 gt os o o s He He nee te 9 C e OS eet eee X OQ 909 so Atte XX 2 Oe NS canes e RS ed ne e oS e EHI eL Ae ace n Het He HU Ox ox XX s OX 19400 eS RX ne os ose 99 o eS ate e e e s RR x eet Ss cee e o Ae e os w 2 gt w SS oe e eo 99 eS e eS e Se X ee ee seg te e SS ds n e eS Se Right side view Note Can be installed so that the air direction is to the front right left or rear direction 74 1 4 2 unit installation maximum dimensions 5 3 4 33 3 16 33 3 16 33 3 16 31 1 8 31 1 8 lista hole pitch Installation hole pitch 31 1 8 Installation hole pitch unit in Imensions Ceiling panel 33 1 4 35 1 4 Ceiling panel dimensions Maximum bracket d 35 Ceiling panel dimensions 1 2 Air direction Right direction 106 1 8 74 1 16 Front view Top view nstallation hole pitch 7 7 8
17. Meaning of Alarm Messages 2947 Table of Self Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 D72 D75 on the outdoor unit PCB They are also displayed on the wired remote controller e Viewing the LED 1 and 2 D72 and D75 alarm displays N Alarm No LED1 LED2 Alarm contents xt xt Alarm display Alternating LED 1 blinks M times then LED 2 blinks N times The cycle then repeats M 2 Palarm 3 Halarm 4 E alarm 5 F alarm 6 L alarm Example LED 1 blinks 2 times then LED 2 blinks 17 times The cycle then repeats Alarm is P17 and check the Alarm Messages on the remote controller display 3 Blinking Connect the outdoor maintenance remote controller to the RC socket on the outdoor main unit control PCB 3P blue 47 Alarm Possible cause of malfunction message Serial Remote controller is detecting Error in receiving serial communication signal communication error signal from indoor unit Signal from main indoor unit in case of group control E01 errors Ex Auto address is not completed Mis settin E un E g Error in transmitting serial communication signal lt E02 gt Indoor unit is detecting error signal from remote controller and system controller lt lt E03 gt gt Indoor unit is detecting
18. 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 armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp approx each ft Fig 5 9 Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also ensure that the condensation drain hose splits away from the bundle and drips clear of the unit and the tubing 5 5 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 5 10 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM 73l 31 Clamp Insulated tubes Drain hose Fig 5 9 Apply putty here Tubing Fig 5 10 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM lt 332 6 AIR PURGING Manifold gauge Air and moisture in the refrigerant system may have undesirable effects as indicated below e pressure in the system rises e Operating current rises e cooling or heating efficiency drops e moisture in the refrigerant circuit may freeze and block capillary tubing water may lead to corros
19. 5 9 2 10 5 12 5 14 1 15 4 19 2 22 8 Y branch distribution joint x Equivalent length conversion not needed Ball valve for service Equivalent length conversion not needed Table 1 9 Refrigerant tubing Existing tubing can be used When bending the tubes use a bending radius that is at least 4 times the outer diameter of the tubes In addition take sufficient care to avoid crushing or damaging the tubes when bending them Tubing size in mm Material 1 2H H 97 8 022 22 15 128 t1 0 91 925 4 15 128 t1 0 Material O 91 4 96 35 t1 32 t0 8 93 8 09 52 t1 32 t0 8 91 2 012 7 t1 32 t0 8 91 1 8 028 58 t5 128 t1 0 95 8 015 88 t5 128 t1 0 1 1 4 931 75 13 64 t1 1 93 4 919 05 over t5 128 t1 0 01 1 2 038 1 over t3 64 t1 15 1 5 8 941 28 over 13 64 t1 20 1 8 Additional Refrigerant Charge Additional refrigerant charge amount is calculated from the liquid tubing total length and a type of outdoor unit as follows Table 1 10 1 Amount of Additional Refrigerant Charge Per ft According to Liquid Tubing Size Liquid tubing size Amount of additional Required amount of additional refrigerant charge Amount of additional refriger in mm refrigerant charge oz ft ant charge per ft of each size of liquid tube x its tube length Nec
20. 9 n T VAO 0 z ES of s wo 8 Nn CN201 N e 0139 c183 LJ Bo 053 24 3 x BLU RY014 Re 2 3 46 e zg ibn 23 7 of uc X m S S 5 a 8 s R202 D121 ma o gt DA r Bes Jg K E 9 A LEN BU mv id 116 C al J c te Che e 22 El 2 RI80 UG oat mg UE paf 8 al Ka E Bo 2 i RIB4 036 R320 S ds N 3 Pe X s2 ug E ci R t Wat i 18 e RS s C D i 2 Z R07 2 26 26 3 i A e gir d i l 28 Ba H S EE Q r e RN o ats 04 62 Y z D ie a 3 2 RIS o s 2 3 R170 a 8 P ze a 2 E S4 l o 3 RIES ig wR 2 Cy i 7 a6 20 moe 2 o C170 a e Qu S 2 2 ape 2 E cls 3 2 ens E gt ate ES E je UN E mom E s 8 s e eg g E 8S se E ae of 2 x e 23 g SU z 5 8 2 Sue AL gt A lo Es ri E Che 090 J2 r al a lg zma ma EA ana 2 MIR Si j Z a REB SLE Z S 2 poe gt gl CHE oss 48 ze gt m2 ame e Taner Ei 8 3 el ls lli EI v AE E Q S guae Ye Des 8 CES Das 13 rm 0 ae e cies E O m Jt cigs EA 8 Che ous 4 J o 8 8 2 2 8 tns 8 8S e Ce Dtos BON 5 a 5 p 3 EX 8 Fe on a 2 on RI L CHE n156 g CR ois a z 3 8 C os hz al 8 i amp S Che n153 JTS z e AB lo m w Yoza RYoos RYC S RNO4 RYD08 RYo02 p o E o z g 2 3 3 E z 2 m x O HH O RBV RCV ow wer 73 782 7s 205 A RE BALV cnos7 eLk BPV CH3 CH2 cms BLU CH Fig 7 4 37 S006 S005 S004 S003 S002 CN003 CN101 CN100 08 32
21. Additional Refrigerant Charge Per Outdoor Unit 3 93 x a 2 78 x b 1 99 x c 1 38 x d 0 602 x e 0 279 x f a Liquid tubing Total length of 97 8 ft d Liquid tubing Total length of 1 2 ft b Liquid tubing Total length of 93 4 ft e Liquid tubing Total length of 23 8 ft c Liquid tubing Total length of 25 8 ft f Liquid tubing Total length of 01 4 ft Charging procedure Be sure to charge with R410A refrigerant in liquid form 1 After performing a vacuum charge with refrigerant from the liquid tubing side At this time all valves must be in the fully closed position 2 If it was not possible to charge the designated amount operate the system in Cooling mode while charging with refrigerant from the gas tubing side This is performed at the time of the test run For this all valves must be in the fully open position However if only one outdoor unit is installed a balance tube is not used Therefore leave the valves fully closed Charge with R410A refrigerant in liquid form With R410A refrigerant charge while adjusting the amount being fed a little at a time in order to prevent liquid refrigerant from backing up e After charging is completed turn all valves to the fully open position Replace the tubing covers as they were before 1 R410A additional charging absolutely must Balance tube CAUTION be done through liquid charging Use a flathead screwdriv
22. D DY foreign substances from entering the unit l Covet Perform this work even if the tubing is routed out in a downward Os Ales lt 2 siet le direction o O Tighten each cap as specified below Tubing routed out Tubing routed out through the front side through the bottom Tightening torque for each cap Cap tightening torque Ibi Do due 4x 90 100 Ibs in 70 120 kgf cm width Gee 15 16 170 220 Ibs in 200 250 kgf om Service port cap width 19 32 Valve cap width 55 64 Valve cap width 55 64 Service port cap width 19 32 Flare nut 91 4 Valve cap width 55 64 Flare nut Service port cap width 19 32 Unit in Do not apply an adjustable wrench to the hexagonal part Use two adjustable wrenches as shown in the figure when removing the liquid tube valve flare nut Do not use two adjustable wrenches when removing or installing the balance tube flare nut In particular do not apply an adjustable wrench to the hexagonal part at the top of the valve If force is applied to this part gas leakage will occur 1 Do not apply a wrench to the valve cap when removing or installing the flare nuts Doing so may damage the valve 2 If the valve cap is left off for a long period of time refrigerant leakage will occur Therefore do not leave the valve cap off 3 Applying refrigerant oil
23. For gas tubing the insulation material must be heat resistant to 248 F or above For other tubing it must be heat resistant to 176 F or above Insulation material thickness must be 25 64 or greater If the conditions inside the ceiling exceed DB 86 F and RH 7096 increase the thickness of the gas tubing insulation material by 1 step If the exterior of the outdoor unit CAUTION valves has been finished with a square duct covering make sure you allow sufficient space to use the valves and to allow the panels to be attached and removed Taping the flare nuts Wind the white insulation tape around the flare nuts at the gas tube connections Then cover up the tubing connections with the flare insulator and fill the gap at the union with the sup plied black insulation tape Finally fasten the insulator at both ends with the supplied vinyl clamps Fig 5 8 30 Two tubes arranged together Liquid tubing Gas tubing me A Insulation Three tubes arranged together Cosmetic finishing tape Gas tubing Liquid tubing LA Insulation Balance tubing Fig 5 7 Seal lied eater supplied Insulation tape white supplied la Flare insulator supplied SS NN Tube insulator Unit An VS not supplied insulator Heat resistant 248 F or above Flare nut Vinyl clamps supplied Fig 5 8 5 4 Taping the Tubes 1 At this time the refrigerant tubes
24. OFF ON ON 3 units 1 amp 20N Mm 8 123 OFF Address setting of main outdoor unit S007 Address setting of outdoor unit S007 Unit No setting 3P DIP switch blue Unit No 1 main unit ON on factory setting d k E d Address setting of sub outdoor unit Address setting of outdoor unit S007 3P DIP switch blue IN Unit No 2 sub unit ou 3 2 ON B i Unit No setting factory setting mus ON ON Unit No 3 sub unit 1820N NB hi 1285 OFF The sub unit control PCB contains the same switches as the main unit control PCB for No of indoor units No of outdoor units and system address However it is not necessary to set these switches 38 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A Y 39 7 4 Auto Address Setting 1 Auto Address Setting Basic wiring diagram Example 1 e If link wiring is not used The inter unit control wires are not connected to multiple refrigerant systems Indoor unit addresses can be set without operating the compressors No 1 main outdoor unit settings No of indoor units System address 10 units setting S004 system 1 setting o S002 S003 e IN
25. P1 Floor Standing S 24MP1U6 R1 Concealed Floor Standing S 24MR1U6 1 Necessary to install the External Electronic Expansion Valve Kit Optional CZ P56SVK1U 85464369527012 CV6233186894 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A Y2 IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and oper ating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning O Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or Nmum unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result AN in personal injury or product or property damage If Necessary Get Help These instructions 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 installation or
26. as possible without unpacking Use a hook for suspending the unit Fig 3 1 When hoisting the outdoor unit pass ropes or straps under the bottom plate as shown in the figure at right When hoisting the angle between the rope and top panel must be 70 or greater so that the rope does not come into contact with the fan guard Use 2 lengths of rope 25 ft long or longer When passing the ropes through the square holes of the bottom plate Place the rope in the outer edge of the square holes O Use protective panels or padding at all locations where the rope contacts the outer casing or other parts to prevent scratching In particular use protective material such as cloth or cardboard to prevent the edges of the top panel from being scratched O Be careful of the fan There is danger of injury if the fan starts to turn during inspection Be sure to turn OFF the remote power switch before beginning inspection 3 2 Installing the Outdoor Unit 1 Use anchor bolts M12 or 15 32 or similar to securely anchor the unit in place Fig 3 2 2 Be sure the rubber vibration insulator and platform extend to the inside of the legs In addition the washers used to anchor the unit from the top must be larger than the installation anchor holes Figs 3 2 and 3 3 Positions where anchor bolts are fastened Installation anchor hole 4 19 32 x 25 32 oval holes
27. not match the number that was set ae Automatic address setting is in progress Alternating e e Automatic address setting completed At time of automatic address setting the number of indoor units did not match the number that was set Simultaneous AY when indoor units are operating indication appears on the display Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Alternating Note A indicates that the solenoid is fused or that there is a CT detection current failure current is detected when the compressor is OFF O Remote Controller s display SANG is blinking 44 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM amp 45 Request concerning recording the indoor outdoor unit combination Nos After automatic address setting has been completed be sure to record them for future reference List the outdoor main unit system address and the addresses of the indoor units in that system in an easily visible location next to the nameplate using a permanent marking pen or similar means that cannot be abraded easily Example Outdoor 1 Indoor 1 1 1 2 1 3 Outdoor 2 Indoor 2 1 2 2 2 3 These numbers are necessary for later maintenance Please be sure to indicate them Checking the indoor unit addresses Use the remote controller to check the indoor unit address If 1 indoor unit is connected to 1 remote controller 1
28. nuts are over tightened the flare may be damaged which could result refrigerant leakage and cause in injury or asphyxiation to room occupants O For the flare nuts at tubing connections be sure to use the flare nuts that were supplied with the unit or else flare nuts for R410A type 2 The refrigerant tubing that is used must be of the correct wall thickness as shown in the table at right Apply refrigerant lubricant Y Union Flare nut Fig 5 5 Torque wrench Indoor unit Outdoor unit Fig 5 6 Spanner Tube diameter on Tube thickness DUE BC in 19 23 8 49 52 mm uA z pe n a ipm LIDLIR x pen Aam EE o REESE Because the pressure is approximately 1 6 times higher than conventional refrigerant pressure the use of ordinary flare nuts type 1 or thin walled tubes may result in tube rupture injury or asphyxiation caused by refrigerant leakage O n order to prevent damage to the flare caused by over tightening of the flare nuts use the table above as a guide when tightening O When tightening the flare nut on the liquid tube use an adjustable wrench with a nominal handle length of 7 7 8 a 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM R P30 5 3 Insulating the Refrigerant Tubing Tubing Insulation O Thermal insulation must be applied to all unit tubing including the distribution joint purchased separately Fig 5 7
29. or longer then release it l The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor main unit control PCB turn OFF At the outdoor main unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it y Repeat the same steps to complete automatic address setting for all units y 8 Operation from the remote controllers is now possible Automatic address setting in Cooling mode cannot be done from the remote controller Automatic Address Setting from the Remote Controller Selecting each refrigerant system individually for automatic address setting Automatic address setting for each system Item code A1 1 Next press either the temperature setting _4_ or _ _ button Use either the or _f _ button to set the system No to perform automatic Then press the button Press the remote controller timer time 4 button and button at the same time Press and hold for 4 seconds or longer Check that the item code is A1 address setting Automatic address setting for one refrigerant system begins When automatic address setting for one system is completed the system returns to 9 normal stopped status Approximately 4
30. required 4 2 Recommended Wire Length and Wire Diameter for Power Supply System Outdoor unit Time delay fuse or Type circuit capacity U 72ME1U9 U 72ME1U9E ido U 96ME1U9 U 96ME1U9E 45A Indoor unit Type Time delay fuse or YP circuit capacity K1 10 16A D1 U1 Y1 F1 M1 Tt P1 R1 10 16A E1 10 16A Control wiring A Inter unit between outdoor and indoor units control wiring B Remote control wiring C Conirol wiring for group conirol AWG 18 0 75 mm AWG 18 0 75 mm AWG 18 0 75 mm Max 3 280 ft Max 1 640 ft Max 650 ft Total D Inter outdoor unit control wiring NOTE AWG 18 0 75 mm With ring type wire terminal Max 980 ft 24 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A amp 725 4 3 Wiring System Diagram Indoor unit No 1 Power supply L1 o E3 208 230V 60Hz 1 PH L2 o Ground Outdoor unit INV unit Remote Controller WHT CD G BLK k2 dq u Indoor unit No 2 Power supply L1 Oo 208 230V 60Hz 1 PH L2 o E Ground Remote Controller B WHT C0 G BLK trol Indoor Group contro unit No 3 Power supply Li ho 208 230V 60Hz 1 PH L2 Os Ground C Indoor Kt Type unit No n
31. set based on the main tube sizes LA listed in the table above Bi Size of tubing LO between outdoor units Select the size of tubing between outdoor units based on the main tubing size LA as given in the table above Table 1 4 Main Tubing Size After Distribution LB LC Unit in mm Below BTU h 24 200 54 600 76 800 102 400 143 300 178 800 238 900 334 400 Total capacity after distribution Over BTU h 24 200 54 600 76 800 102 400 143 300 178 800 238 900 334 400 Gas tubing 91 2 95 8 93 4 07 8 91 1 8 o1 1 8 o1 1 8 o1 3 8 o1 3 8 ada 012 7 015 88 019 05 022 22 028 58 028 58 028 58 034 92 034 92 I I Liquid tubing 03 8 03 8 03 8 93 8 01 2 01 2 05 8 03 4 03 4 09 52 09 52 09 52 09 52 012 7 012 7 015 88 019 05 019 05 Note In case the total capacity of connected indoor units exceeds the total capacity of the outdoor units select the main tubing size for the total capacity of the outdoor units Especially the main tubing segments of LA LB and LF Table 1 5 Outdoor Unit Tubing Connection Size a t c BTU h 72 000 96 000 kW 21 1 28 1 93 4 97 8 Gas tubing 819 05 022 22 Brazing connection 99 52 99 52 Liquid tubing 23 8 89 52 23 8 09 52 Flare connection Balance tubing ae ee Flare connection
32. state the top of the cylinder must be higher than Liquid the bottom when you pressurize the tube system Usually the cylinder is used in a vertical standing position Balance tube 32 4 Do a leak test of all joints of the tubing both indoor and outdoor and both gas and liquid service valves Bub bles indicate a leak Wipe off the soap with a clean cloth after a leak test 5 After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose con nector at the nitrogen cylinder When the system pres sure is reduced to normal disconnect the hose from the cylinder Evacuation 1 Attach the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit Confirm that the Lo knob of the manifold valve is open Then run the vacuum pump The opera tion time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount of time for evacuation Required time for evacuation when 30 gal h vacuum pump is used If tubing length is If tubing length is less than 49 ft longer than 49 ft 45 min or more 90 min or more The required time in the above table is calculated based on the assumption that the ideal or target vacuum condition is less than 14 7 psig 755 mmHg 5 Torr 33 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM amp 233 Pressur
33. to the flare surface can be effective in preventing gas leakage however be sure to use a refrigerant oil which is suitable for the refrigerant that is used in the system This unit utilizes R410A refrigerant and the refrigerant oil is ether oil synthetic oil However hub oil synthetic oil can also be used O Precautions for brazing Be sure to replace the air inside the tube with nitrogen to prevent oxide film from forming during the brazing process Be sure to use a damp cloth or other means to cool the valve unit during brazing Work method Pressure reducing valve regulator Field supply tube Remote valve QD LI RS Y Brazing locations Taping 1 Be sure to use nitrogen Oxygen CO and CFC must not be used CAUTION 2 Use a pressure reducing valve on the nitrogen tank 3 Do not use agents intended to prevent the formation of oxide film They will adversely affect the refrig eration oil and may cause equipment failure 4 The balance tube is not used if only 1 outdoor unit is installed Use the unit in the same conditions as when it was shipped from the factory 23 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A P24 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 ex
34. y Communication for automatic address setting begins l Tocancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF i Next turn the power ON only for the indoor and outdoor units of the next different system Repeat steps 1 5 in the same way to complete automatic address settings for all systems y Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from Remote Controller 41 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM amp 242 Case 3A Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic Address Setting from Outdoor Unit i 5 8 Perform steps 1 4 in the same way as for Case 2 Turn the ind
35. 00 BTU h 68 0 kW or less Example Distribution Joint Reducing Joints Gas tubing 6 59 64 Insulation Liquid tubing 4 21 64 Distribution Joint Insulation T T T EX ENG Table 1 13 Size of connection point on each part Shown are inside diameters of tubing Reducing Joints Unit in Size Part A Part B Part C Part D Part E Part F Part G Part H Part 1 3 8 in mm 034 92 91 1 4 931 75 97 8 022 22 91 1 8 o1 928 58 025 4 93 4 25 8 019 05 015 88 91 2 912 7 93 8 99 52 2 CZ P1350PJ1U For outdoor unit Capacity after distribution joint is greater than 232 000 BTU h 68 0 kW and no more than Example Gas tubing 6 57 64 Insulation Reducing 460 700 BTU h 135 0 kW Liquid tubing Distribution Joint i Insulation Outside dimension Table 1 14 Size of connection point on each part Shown are inside diameters of tubing Reducing Joints Unit in Size Part A Part B Part C Part D Part E Part F Part G Part H 91 3 8 nmm 034 92 91 1 4 031 75 97 8 91 1 8 g1 022 22 028 58 025 4 93 4 95 8
36. 1 If the size of tubing LA is less than 16 4 feet it is recommended Unit in mm that the tubing diameter be larger than 97 8 022 22 2 If the size of tubing LA is less than 16 4 feet it is recommended that the tubing diameter be larger than e1 1 8 028 58 Table 1 6 Refrigerant Charge Amount at Shipment for outdoor unit DC U 72ME1U9 U 72ME1U9E U 96ME1US9 U 96ME1U9E oz 416 416 Table 1 7 Indoor Unit Tubing Connection Size Balance tube Liquid tube Ke tube Unit in mm Indoor unit type 7 9 12 15 18 19 24 36 48 54 Gas tubing 91 2 912 7 95 8 215 88 Liquid tubing 91 4 96 35 93 8 29 52 Note Use C1220T 1 2H material for tubing over 03 4 922 22 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A amp 710 B 1 7 Straight Equivalent Length of Joints Design the tubing system by referring to the following table for the straight equivalent length of joints Table 1 8 Straight Equivalent Length of Joints pitt iaa Mm A Os i s dl 22 25 4 28 58 34 92 41 28 90 elbow amp 1 Tal 1 4 1 6 1 7 1 9 2 5 2 8 45 elbow 0 8 0 9 1 1 2 1 3 1 4 1 8 2 0 U shape tube bent R2 3 8 4 60 100 3 3 4 4 1 4 7 5 1 5 6 7 4 8 4 Trap bend U l 7
37. 1 and 2 on the outdoor unit PCB OFF alarm contents YES Y Check that test run preparation is OK Do not allow the short circuited pins to remain short circuited Y jm noo Set the Wired Remote Controller for test run Check and make corrections according to Table of Self Diagnostic Functions NO Refer to the Remote Controller A test run settings Does ee YES Y Return Remote Controller to normal mode End test run 1 The unit with the unit No set to 1 is the main unit All other units are sub units 2 A minimum of 5 hours must have passed after the power was turned ON to the outdoor unit 3 All indoor units operate in all refrigerant systems where the power is ON 4 Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Fig 7 3 36 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM av 7 3 Main Outdoor Unit PCB Setting 37
38. 11 7 5 33 PM A V9 1 6 Tubing Size Table 1 3 Main Tubing Size LA Unit in mm BTU h 72 000 96 000 139 000 168 000 192 000 203 000 240 000 264 000 288 000 kw 21 1 28 1 40 7 49 2 56 3 59 5 70 3 77 4 84 4 Total system tonnage 6 8 12 14 16 18 20 22 24 U 72ME1U9 E U 96ME1U9 E U 72ME1U9 E U 72ME1U9 E U 96ME1U9 E U 72ME1U9 E U 96ME1U9 E U 96ME1U9 E U 96ME1U9 E Combined outdoor models U 72ME1U9 E U 96ME1U9 E U 96ME1U9 E U 72ME1U9 E U 72ME1U9 E U 96ME1U9 E U 96ME1U9 E U 72ME1U9 E U 72ME1U9 E U 72ME1U9 E U 96ME1U9 E 93 4 97 8 1 1 8 21 3 8 GaS tubing 019 05 922 22 028 58 934 92 cert 23 8 91 2 95 8 93 4 Liquid tubing 99 52 912 7 015 88 019 05 1 If future extension is planned select the tubing diameter based on the total tonnage after extension However extension is not possible if the resulting tubing size is two ranks higher 2 The balance tube outdoor unit tube diameter is 01 4 8 Type 1 tubing should be used for the refrigerant tubes 4 If the length of the longest tube L1 exceeds 295 ft equivalent length increase the main tube LM size by 1 rank for the gas and liquid tubes Use field supply reducers Select from Table 1 3 and Table 1 9 5 If the longest main tube length LM exceeds 164 ft increase the main tube size at the portion before 164 ft by 1 rank for the gas tubes For the portion that exceeds 164 ft
39. 2 ft Total capacity of indoor unit is 131 600 BTU h LA 131 ft LC 93 8 ft Total capacity of indoor unit is 83 800 BTU h Distribution joint tubing Outdoor side 2 A 03 8 ft f B 93 8 ft from outdoor unit connection tubing Indoor side 1 03 8 ft 1 2 93 8 ft 1 3 93 8 ft 2 4 93 8 ft from indoor unit connection tubing Obtain additional charge amount for each tubing size Note 1 The charge amounts per 1 ft are different for each liquid tubing size 95 8 ft LA 181 ft x 1 99 oz ft 261 oz 21 2 ft 2 LB 16 ft x 1 38 oz ft 220z 93 8 ft 2 LC 8 A B 1 4 225 ft x 0 602 oz ft 135 oz Total 418 oz Additional refrigerant charge amount is 418 oz Note 2 Necessary amount of additional refrigerant charge per outdoor unit U 96ME1U9 is 42 oz See the Table 1 10 2 Note 1 Amount of additional charge per tubing length 418 oz Note 2 Amount of additional charge for outdoor unit 84 oz 42442 Total of additional refrigerant charge amount 502 oz Therefore the total of additional refrigerant charge amount reaches 502 oz Obtain overall refrigerant charge amount Overall refrigerant charge amount of the system indicates the calculated value shown above the additional charge amount in addition to the total of the refrigerant charge amount shown in the Table 1 6 at the shipment of each outdoor unit Refrigerant charge amount at shipment U 96ME1U9 416 oz U 96ME1
40. 2WAY IL NA DOE 11 10 18 7 24 PM A amp U2 Loose wiring may cause the terminal to overheat or result in unit malfunction 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 to the terminal gi For stranded wiring 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring about 3 8 and tightly twist the wire ends Fig 4 4 2 Using a Phillips head screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal 4 Place the ring pressure terminal and replace and tighten the removed terminal screw using a screwdriver Fig 4 5 Stranded wire o Ring al pressure terminal 5 Fig 4 4 Special washer Screw JT Ring pressure db Screw and terminal Special washer Ring L pressure 4 E terminal Wire Fig 4 5 27 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A amp 728 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 o
41. 3 W 2WAY ILNA DOE 11 10 18 7 24PM lt 38 b e Examples of the No of indoor units settings S005 S004 Indoor unit setting S005 Indoor unit setting S004 No ofincoorunits 3P DIP switch blue Rotary switch red 10 20 30 ON ON 7 1 unit factory setting All OFF g an 8 RE Set to 1 i OFF ON ON 7 11 units 1ON A gd 8 RE Set to 1 123 OFF ON ON 7 21 units 200 EA p E RE Set to 1 12 OFF ON ON 7 31 units 30N gg E g KY Set to 1 1 3 OFF ON ON 0 40 units 1 amp 30N B QR 2 e Set to 0 123 OFF e Examples of refrigerant circuit R C address settings required when link wiring is used S003 S002 System address S003 Svstem address S002 System address No 2P DIP switch blue Rotary switch Sait 10 20 ON ON 7 System 1 factory setting Both OFF l M RE Set to 1 ERAI gt System 11 10N Ep 2 RE Setto 1 12 OFF ON ON 72 System 21 20N Wf RE Set to 1 1 2 OFF ON ON System 30 1820N MA A En Set to 0 12 OFF Examples of the No of outdoor units settings S006 Outdoor unit setting S006 No of outdoor units 3P DIP switch blue ON ON 1 unit factory setting 10N B a y 1 28 OFF ON ON 2 units 20N g AG 8 1 2 3
42. Pcoo4 Pco03 PC002 R78 PCO amp Q D030 pog R038 Loza K pnus SE E gt z Y sd R066 E Ret c21 Z 3 p R037 co59 m a 8 Ze 8 gC c2 pp 2 E i S crzal 2 E E PN E E em o ce o C270 L024 ER S R327 E Lu C03 co33 R289 E D270 SE Q O 8 RE 9 ps E E 3 re X 2 O Oz mas R99 a m 3 MS 053 8 sO a 52 33 2 aa 8 S S ES S c9 fa 8 23 RE 2 O Se 3 wo 8 QU SONS cs Qn v R142 8 3 s 3 ox g i ps Ct57 is Le z ES ak 33 3 mS g m 2 E NI 3 s CN E 32 3 a Ee 1 H 5 E ow a n H RIAL x z 8 omo ome Y 017 g 2 fd o all gree oro g x 2 8 amp 5 FEL 3 5 Qos S 2 R148 geons PC S pra a TN BLIS SUF Se z o SE S 9 Ss 3 5 Bet we oe 35 83 S og on Ae a A RIGS d El RUT EJE W 198 52 R267 Y 2 card 28 ee ot A A a 33 28 r LES 29 2 I nece en y 8 iole d 28 bes n R253_R266R268 WILLE e R219 qug R229 3 L RaT 4 C29 AUN a m R210 3x i Tom 3 o c 2 LI 35 ES 5 F ag ROT P D o2 3 2S o S PEE S 2 22 3 i 2 gg sgg mc 2 3 8 E go 5 55 S Q Rm3B gt C211 RED 35 M jJ WE NE ous XX z 8 3 Ce 8 Es fc E 8 3 s m 8 3 mos RIS 5 te Y i Sg S37 Ag 5 RED n 83 hi E ooa 7 8 g 8 C109 cow Q7 3 32 8 LS RIOS m R200 ana od gt 8 s 5 2 n z RIG m VA012 2 RIA s 3 al ci72 4 3 ONHO N ryote S onm i C 2 S vn 8 NS gL 7 haod a BLK dm R190 g g o 2 Y com cee a 8 RATS 2 EEJ Dx g cios 7 2 zal 8 5 co 4 ces 1 3 T8 8C C Li JE 4k cs ES E i
43. Press and hold the button and 1 button for 4 seconds or longer simple settings mode 2 The address is displayed for the indoor unit that is connected to the remote controller Only the address of the indoor unit that is connected to the remote controller can be checked 3 Press the button again to return to normal remote control mode If multiple indoor units are connected to 1 remote controller group control 1 Press and hold the button and 3 button for 4 seconds or longer simple settings mode ALL is displayed on the remote controller 2 3 Next press the button 4 The address is displayed for 1 of the indoor units which is connected to the remote controller Check that the fan of that indoor unit starts and that air is discharged Press the button again and check the address of each indoor unit in sequence a 6 Press the button again to return to normal remote control mode Number changes to indicate Number changes to indicate which indoor unit is currently selected which indoor unit is currently selected Indoor unit address Indoor unit address 7 5 Remote Controller Test Run Settings 1 Press the remote controller button for 4 seconds or longer Then press the button TEST appears on the LCD display while the test run is in progress The temperature cannot be adjusted when in Test Run mode This mode places a heavy load on the machines Therefore use it only when performi
44. U9 416 oz Additional charge amount 502 oz Grand total 1334 oz Therefore overall refrigerant charge amount of the system reaches 1334 oz Remark Be sure to include the values in Table 1 10 2 Necessary Amount of Additional Refrigerant Charge Per Outdoor Unit CAUTION Be sure to check the limit density for the room in which the indoor unit is installed 15 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A P16 2 SELECTING THE INSTALLATION SITE 2 1 Outdoor Unit AVOID heat sources exhaust fans etc damp humid or uneven locations indoors no ventilation location DO choose a place as cool as possible choose a place that is well ventilated allow enough room around the unit for air intake exhaust and possible maintenance use lug bolts or equal to bolt down unit reducing vibration and noise Installation Space Install the outdoor unit where there is enough space for ven tilation Otherwise the unit may not operate properly Fig 2 2 shows the minimum space requirement around the outdoor units when 3 sides are open and only 1 side is shuttered with open space above the unit The mounting base should be concrete or a similar material that allows for adequate drainage Make provisions for anchor bolts platform height and other site specific installation requirements Leave space open above the e Construct louvers or other openings in the wall if nec essary to ensure adeq
45. ay cause product damage burst and injury etc Do not leak refrigerant while piping work for an installation or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frostbite i d Ch The ins era limi The er anc lay risk foc Wit buil sys tive tior Mo tor cor the sm cec der em Occ nt 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A V3 When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical E parts and wiring Keep your fingers and clothing away from any moving parts 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 A LE Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning n case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair sharp aluminum fins of the outdoor unit You may get injured ANETO Do not touch the air inlet or the Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning
46. clusively for each unit and a power supply disconnect circuit breaker and earth leakage breaker for overcurrent protection should be provided in the exclusive line 3 To prevent possible hazards from insulation failure the unit must be grounded 4 Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged b Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 7 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before beginning You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring Use shielded wires for inter unit control wiring between units and ground the shield on both sides 9 If the power supply cord of this appliance is damaged it must be replaced by a repair shop appointed by the manufacturer because special purpose tools are
47. door No 1 coil gas temp sensor EXG1 F06 Outdoor No 1 coil liquid temp sensor EXL1 F07 Outdoor air temp sensor AIR TEMP F08 Compressor intake port temperature sensor SCT F12 High pressure sensor F16 Low pressure sensor failure F17 Outdoor No 2 coil gas temp sensor EXG2 F23 Outdoor No 2 coil liquid temp sensor EXL2 F24 EEP ROM on indoor unit PCB failure F29 Protective Protective device for compressor EEP ROM on the main or sub outdoor unit PCB has failed F31 device for No 1 is activated Current is not detected when comp No 1 is ON H03 compressor i Protective device for compressor Overload current is detected H11 activated No 2 is activated Lock current is detected H12 Current is not detected when comp No 2 is ON H13 Discharge gas temperature of comp No 2 is not detected H15 Low pressure switch is activated H06 Oil sensor fault Comp No 1 oil sensor H08 Disconnection etc Comp No 2 oil sensor H27 Continued 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM amp 49 b Alarm messages displayed on system controller Serial communication errors Mis setting Error in transmitting serial communication signal Indoor or main outdoor unit is not operating correctly Mis wiring of control wiring between indoor unit main outdoor unit and system controller C05 Error in receiving serial communication signal Indoor or main outdoor unit is not operating correctly Mis w
48. e Manifold valve Gas tube Outdoor unit Liquid tube Balance tube 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A P734 2 When the desired vacuum is reached close the Lo knob of the manifold valve and turn off the vacuum pump Please confirm that the gauge pressure is under 14 7 psig 755 mmHg 5 Torr after 4 to 5 minutes of vacuum pump operation CAUTION Use a cylinder designed for use with R410A respectively Charging additional refrigerant O Charging additional refrigerant calculated from the liquid tube length as shown in Section 1 8 Additional Refrigerant Charge using the liquid tube service valve Fig 6 5 Use a balance to measure the refrigerant accurately O f the additional refrigerant charge amount cannot be charged at once charge the remaining refrigerant in liquid form by using the gas tube service valve with the system in cooling operation mode at the time of test run Fig 6 6 Finishing the job 1 With a hex wrench turn the liquid tube service valve stem counter clockwise to fully open the valve CAUTION To avoid gas from leaking when removing the charge hose make sure the stem of the gas tube is turned all the way out BACK SEAT position 2 Turn the gas tube service valve stem counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas tube service port 5 16 slightly to relea
49. e 2 Basic wiring diagram Example 2 A P40 If link wiring is used No 1 main outdoor unit settings When multiple outdoor main units exist remove the socket that is used to short circuit the terminal plug CNO03 from all outdoor q main unit PCBs except for one unit System address No of indoor units Alternatively move the sockets to the OPEN side system 1 setting 13 units setting S002 S003 004 x7 ON ON 9 SS OFF S005 ON ON 5 y 8 our No 2 sub unit No 3 sub unit No of j 4 8006 Unit S007 i Unit outdoor units Unit S007 S007 Guns Appl number Jum ON number row ON number ON ON setting A 2 3 OFF ein 1 A P OFF setting al i setting A 5 u 9 T unit No 2 L1_2 3 OFF unit No 3 3 2 3 OFF Leave the socket that 7 Outdoor unit Unit is used to short circuit Unit Unt system 1 No 1 the terminal plug No 2 No 3 Main CNO03 Sub Inter outdoor unit Sub control wiring Inter outdoor unit control wiring Inter unit control wiring Fy Indoor unit 1 1 1 2 1 3 1 13 f Remote control T Remote communucation wiring Controller No 2 No 1 main unit settings Refrigerant S
50. eld supply Max tubing length between the lt 66 joint tubing first T joint and solidly welded shut end point L Length H Height 1 The outdoor connection main tubing LO portion is determined by the total capacity of the outdoor units that are connected to the tube ends 2 If the longest tubing length L1 exceeds 295 ft equivalent length increase the sizes of the main tubes LM by 1 rank for gas tubes and liquid tubes Use a field supply reducer Select the tube size from the table of main tube sizes Table 1 3 on the following page LA table and from the table of refrigerant tubing sizes Table 1 8 on the second following page 3 Ifthe longest main tube length LM exceeds 164 ft increase the main tube size at the portion before 164 ft by 1 rank for the gas tubes Use a field supply reducer For the portion that exceeds 164 ft set based on the main tube sizes LA listed in the table on the following page 4 If the size of the existing tubing is already larger than the standard tubing size it is not necessary to further increase the size f the existing tubing is used and the amount of on site additional refrigerant charge exceeds the value listed below then change the size of the tubing to reduce the amount of refrigerant Max additional charge for 1 outdoor unit 62 lbs Max additional charge for 2 outdoor units 111lbs 08 323 W 2WAY_ILNA_DOE 11
51. er and iz g i open by turning the part with the 2 The R410A refrigerant cylinder has a gray screw groove to the right base color and the top part is pink from to 3 The R410A refrigerant cylinder includes a o o siphon tube Check that the siphon tube is L a present This is indicated on the label at the top of the cylinder 4 Due to differences in the refrigerant pres sure and refrigerant oil involved in installa Liquid tube Example tion it is not possible in some cases to use Use a hex wrench width 5 32 inch Qutdoor unit the same tools for R22 and for R410A and turn to the left to open Gas tube 96 type 96 type Use a flathead screwdriver and open by turning the part with the screw groove to the right fs iA from to LB LC LA A RR L 48 type 48 type 48 type 36 type Example of each tubing length Main tubing Distribution joint tubing LA 131 ft Outdoor side Indoor side LB 16 ft l A 7 ft 2 1 98 ft LC 16 ft 2 B 7 ft 2 2 16ft 23 16ft l 4 65ft 14 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM lt Y15 Obtain liquid tubing size from Tables 1 3 4 5 7 and 10 1 Main tubing LA 05 8 ft Total capacity of indoor unit is 179 400 BTU h The longest tubing length in this example LB 21
52. error Error in receiving serial communication signal signal from main outdoor unit When turning on the power supply the number of connected E04 indoor units does not correspond to the number set Except R C address is 0 Outdoor unit is detecting error Error of the main outdoor unit in receiving serial communication E06 signal from indoor unit signal from the indoor unit SEJO gt Improper setting of indoor unit or Indoor unit address setting is duplicated E08 remote controller Remote control address connector RCU ADR is duplicated hatte lt lt E09 gt gt Duplication of main remote controller During auto address setting Starting auto address setting is prohibited number of connected units does This alarm message shows that the auto address connector CN100 E12 not correspond to number set is shorted while other RC line is executing auto address operation Error in auto address setting Number of connected indoor units E15 is less than the number set When turning on the power Error in auto address setting Number of connected indoor units E16 supply number of connected is more than the number set E c correspond to No indoor unit is connected during auto address setting E20 number set Except R C address is 07 Main outdoor unit is detecting error signal from sub outdoor unit E24 Error of outdoor unit address setting E25 The number of connected main and sub outdoor units do not E26 correspond to the number set a
53. essor operation Indoor and outdoor unit power can be turned ON for each system separately Indoor unit addresses can be set without operating the compressors Automatic Address Setting from Outdoor Unit 1 ON On the No 1 main unit control PCB set the unit No switch S007 to m g unit No 1 2 3 On the No 2 sub unit control PCB set the unit No switch S007 to a g unit No 2 2 3 1 N a 1 o On the No 3 sub unit control PCB set the unit No switch S007 to E m unit No 3 1 2 3 To set the number of outdoor units on the outdoor main unit control PCB set the No of outdoor units DIP switch S006 to ON ON AA 8 3 units 1 2 3 OFF On the outdoor main unit control PCB check that the system address rotary switch 8002 is set to 1 and that the DIP ON ON switch S003 is set to 0 a These are the settings at the time of factory shipment 1 2 OFF To set the number of indoor units that are connected to the outdoor unit to 13 on the outdoor main unit control PCB set the ON ON No of indoor units DIP switch S005 to 1 M g y and set the rotary switch S004 to 3 1 2 3 OFF Turn on power to all indoor and outdoor units in the system Short circuit the automatic address pin at the outdoor main unit CN100 for 1 second or longer then release it
54. f conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts Flaring Procedure with a Flare Tool 1 Cutthe copper tube to the required length with a tube cutter It is recommended to cut approx 1 2 ft longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 5 1 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 5 2 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Fig 5 3 A good flare should have the following characteristics inside surface is glossy and smooth e edge is smooth tapered sides are of uniform length Before Deburring After 28 le eee Flare tool Fig 5 3 Flare nut Copper tubing 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM R P29 Caution Before Connecting Tubes Tightly 1 Apply a sealing cap or water proof tape to prevent dust or water from entering the tubes before they are used 2 Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before co
55. fferent If recharging a R22 or R407C compressor with R410A durability will significantly decrease since some of the materials used for compressor parts are different 2 Existing tubing cannot be used especially R22 Completely cleaning out residual refrigerating machine oil is impossible even by flushing 3 Refrigerating machine oil differs R22 Since R22 refrigerating machine oil is mineral oil it does not dissolve in R410A Therefore refrigerating machine oil discharged from the compressor can cause compressor damage R22 refrigerating machine oil Mineral oil Suniso oil R407C refrigerating machine oil Synthetic fluid ether oil R410A refrigerating machine oil Synthetic fluid ether oil 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A 76 CONTENTS Page Page IMPORTANT 20000 e eee eee eee 2 5 HOW TO PROCESS TUBING 28 Please Read Before Starting 5 1 Connecting the Refrigerant Tubing Check of Density Limit 5 2 Connecting Tubing Between Indoor and Precautions for Installation Using New Refrigerant Outdoor Units New refrigerant R410A cannot be used for earlier models 5 3 Insulating the Refrigerant Tubing 5 4 Taping the Tubes T GENERAL oo rca ias 7 5 5 Finishing the Installation 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied 6 AIR PURGING L 32 1 3 Type of Copper Tube and Insulation Mater
56. ght side view Front view Right side view Note Can be installed so that the air direction is to the front right left or rear direction 118 35 3 unit installation 35 Snowfall protection duct 4 Board Field supply 31 1 8 35 4 31 1 8 7 7 8 Field supply Field supply a g amp D Ceiling panel Board Air discharge chamber Field supply Snowfall protection duct Field supply 53 5 8 44 3 8 o Field supply To Air discharge chamber Field supply Snowfall protection duct Field supply 53 5 8 1 3 Ei J Li le 131 3 4 E Front view Snowfall protection duct Top view Before installation of snowfall protection duct unit in 35 Ceiling panel dimensions 9 1 2 9 1 2 Ma 2 1 8 7 8 E Air discharge chamber K A Field supply i i Snowfall protection duct A Field supply 2 o Ux EN N p co e Y Right side view 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM lt 20 3 HOW TO INSTALL THE OUTDOOR UNIT 3 1 Transporting When transporting the unit have it delivered as close to the installation site
57. ial B Air Purging with a Vacuum Pump for Test Run 1 4 Additional Materials Required for Installation Preparation 1 5 Tubing Length 1 6 Tubing Size T TEST RUN ii date eee at 35 1 7 Straight Equivalent Length of Joints 7 1 Preparing for Test Run 1 8 Additional Refrigerant Charge 7 2 Test Run Procedure 1 9 System Limitations 7 3 Main Outdoor Unit PCB Setting 1 10 Check of Limit Density 7 4 Auto Address Setting 1 11 Installing Distribution Joint 7 5 Remote Controller Test Run Settings 1 12 Optional Distribution Joint Kits 7 6 Caution for Pump Down 1 13 Example of Tubing Size Selection and 7 7 Meaning of Alarm Messages Refrigerant Charge Amount 2 SELECTING THE INSTALLATION SITE 16 2 1 Outdoor Unit 2 2 Removing Fin Guard for Heat Exchanger 2 3 Shield for Horizontal Exhaust Discharge 2 4 Installing the Outdoor Unit in Heavy Snow Areas 2 5 Precautions When Installing in Heavy Snow Areas 2 6 Dimensions of Wind Ducting 2 7 Dimensions of Snow Ducting 3 HOW TO INSTALL THE OUTDOOR UNIT 20 3 1 Transporting 3 2 Installing the Outdoor Unit 3 3 Routing the Tubing 3 4 Prepare the Tubing 3 5 Connect the Tubing 4 ELECTRICAL WIRING 24 4 1 General Precautions on Wiring 4 2 Recommended Wire Length and Wire Diameter for Power Supply System 4 3 Wiring System Diagram R L7 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM 1 GENERAL This booklet brief
58. ion of parts in the refrigerant system Therefore the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove any noncondensables and moisture from the system E Air Purging with a Vacuum Pump for Test Run Preparation Check that each tube both liquid and gas tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Remove the valve caps from both the gas and liquid service valves on the outdoor unit Note that both liquid and gas tube service valves on the outdoor unit are kept closed at this stage Leak test Pressure 1 With the service valves on the outdoor unit closed remove the gauge 5 16 flare nut and its bonnet on the gas tube service valve Save for reuse 2 Attach a manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept closed L Nitrogen gas cylinder In vertical standing position 3 Pressurize the system to no more than 512 psig 36 kgf cm G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 512 psig 36 kgf cm2G Then test for Gas leaks with liquid soap tube CAUTION To avoid nitrogen entering the refrigerant system in a liquid
59. iring of control wiring between indoor unit main outdoor unit and system controller CN1 is not connected properly C06 Activation of protective device Protective device of sub indoor unit in group control is activated When using wireless remote controller or system controller in order to check the alarm message in detail connect wired remote controller to indoor unit temporarily P30 1 Alarm messages in lt lt gt gt do not affect other indoor unit operations 2 Alarm messages in lt gt sometimes affect other indoor unit operations depending on the fault 49 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A P50 50 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A PB5l 51 08 323 W 2WAY IL NA DOE 11 11 7 5 34 PM amp 752 DC0811 21111 Printed in Japan
60. larm and the air outlet at least 5 feet away from the unit In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Ventilate the room well in the event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free con nection Check carefully for leaks before starting the test run When performing piping work do not mix air except for speci fied refrigerant R410A in refrigeration cycle It causes capacity down and risk of explosion and injury due to high Aa tension inside the refrigerant cycle Refrigerant gas leakage may cause fire Do not add or replace refrigerant other than specified type It m
61. lve fully closed 3 When replacing the control PCB be sure that the settings on the new PCB match those on the old PCB 4 Use caution when making the settings If there are dupli cated system addresses or if the settings for the Nos of YES Outdoor unit control PCB gt 71 Y Unit No setting switch Set the unit address S007 lt Outdoor unit control PCB gt Y Unit No setting switch Set the No of outdoor units S006 p Outdoor unit control PCB gt Y Unit No setting switch Set the No of indoor units S004 and S005 Check the link wiring Are the inter unit control wires connected the indoor units are not consistent an alarm will occur and the system will not start 5 These settings are not made on the indoor unit PCB NO CASE 1 to more than 1 refrigerant system YES Outdoor unit control PCB gt Y Unit No setting switch S002 and S003 Set the system address Y When multiple outdoor main units exist Refer to Fig 7 4 CN003 at all outdoor main unit PCBs except for 1 Alternatively move the sockets to the OPEN side disconnect the terminals extended from the shorted plugs that is used to short circuit the terminal Note It is not necessary to remove the socket plugs from the outdoor sub unit PCBs Is it possible to turn ON the power only for the 1 refrigerant system YES
62. ly 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 3 Type of Copper Tube and Insulation Material Flathead screwdriver If you wish to purchase these materials separately from a Phillips head screwdriver local source you will need Knife or wire stripper Tape measure Tube cutter Tube flaring tool Torque wrench Adjustable wrench a e B R O0 RR ooo AN OAK WN Reamer for deburring 1 2 Accessories Supplied ts Deoxidized annealed copper tube for refrigerant tubing Level ganga 2 Foamed polyethylene insulation for copper tubes as Sabre saw or key hole saw required to precise length of tubing Wall thickness of the Hacksaw insulation should be not less than 5 16 Core bits 3 Use insulated copper wire for field wiring Wire size varies Hammer with the total length of wiring Drill Refer to 4 ELECTRICAL WIRING for details Check local electrical codes and CAUTION regulations before obtaining wire Also check any specified instructions or limitations 1 4 Additional Materials Required for Installation See Table 1 1 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See your local codes 3 Putty 4 Refrigeration tubing lubrica
63. m address rotary switch 8002 is set to 1 and that the DIP ON ON switch S003 is set to J So 0 These are the settings at the time of factory shipment 2 OFF 4 To set the number of indoor units that are connected to the outdoor unit to 10 on the outdoor main unit control PCB set the ON ON No of indoor units DIP switch S005 to a D 1 and set the rotary switch S004 to O 1 2 38 OFF 5 Turn ON the power to the indoor and outdoor units 6 On the outdoor main unit control PCB short circuit the automatic address pin CN100 for 1 second or longer then release it Vv Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates that automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF Vv Vv 7 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 to 5 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from the Remote Controller 39 E 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM Basic wiring diagram Exampl
64. maintenance service including fail ure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard To prevent possible hazards from insulation failure the unit must be grounded When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors JAN eno Keep the fire a
65. ng the test run 2 The test run can be performed using the HEAT COOL or FAN operation modes Note The outdoor units will not operate for approximately 3 minutes after the power is turned ON and after operation is stopped 3 If correct operation is not possible a code is displayed on the remote controllers LCD display Refer to Table of Self Diagnostic Functions and correct the problem 4 After the test run is completed press the button again Check that TEST disappears from the LCD display To prevent continuous test runs this remote controller includes a timer function that cancels the test run after 60 minutes If the test run is performed using the wired remote controller operation is possible even if the cassette type ceiling panel has not been installed PO9 display does not occur 45 08 323 W 2WAY_ILNA_DOE 11 10 18 7 24PM lt 46 7 6 Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit Pump down is used when the unit is to be moved or before servicing the refrigerant circuit Refer to the Service Manual O This outdoor unit cannot collect more than the rated refrigerant amount as shown by the nameplate on the back O If the amount of refrigerant is more than that recommended do not conduct pump down In this case use another refrigerant collecting system 46 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM 7 7
66. nnecting them together This is effective for reducing gas leaks Fig 5 4 3 For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 5 5 e Adjust the shape of the liquid tube using a tube bender at the installation site and connect it to the liquid tubing side valve using a flare Cautions During Brazing e Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process Oxygen carbon dioxide and Freon are not acceptable e Do not allow the tubing to get too hot during brazing The nitrogen gas inside the tubing may overheat causing refrigerant system valves to become damaged Therefore allow the tubing to cool when brazing e Use a reducing valve for the nitrogen cylinder e Do not use agents intended to prevent the formation of oxide film These agents adversely affect the refrigerant and refrigerant oil and may cause damage or malfunctions 5 2 Connecting Tubing Between Indoor and Outdoor Units 1 Tightly connect the indoor side refrigerant tubing extended from the wall with the outdoor side tubing 2 To fasten the flare nuts apply specified torque as at right O When removing the flare nuts from the tubing connections or when tightening them after connecting the tubing be sure to use 2 adjustable wrenches or spanners as shown Fig 5 6 If the flare
67. nstallation hole pitch Top view Unit i Fig 2 3 16 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM lt 17 2 2 Removing Fin Guard for Heat Exchanger After installation of the outdoor unit detach the fin guard for heat exchangers as following steps 1 Cut out the fin guard entirely attached to the panel and remove it from the outdoor unit Pay careful attention not to damage the fin when cutting out the fin guard 2 If there is a case where easy to touch the sharp aluminum fin of the outdoor unit be sure to attach a snow proof ducting to the unit It is recommended that the outdoor unit be located away from the touched with hands 2 3 Shield for Horizontal Exhaust Discharge It is necessary to install an air discharge chamber field supply to direct exhaust from the fan horizontally if it is diffi cult to provide a minimum space of 7 ft between the air dis charge outlet and a nearby obstacle Fig 2 4 In regions with heavy snowfall the outdoor unit should be provided with a solid raised plat form and snow proof ducting field supply Fig 2 5 2 4 Installing the Outdoor Unit in Heavy Snow Areas In locations where wind blown snow can be a problem snow proof ducting field supply should be fitted to the unit and direct exposure to the wind should be avoided as much as possible Fig 2 6 The following problems may occur if proper countermeasures are not taken O The fan in the outdoor
68. nt 5 Clamps or saddles to secure refrigerant tubing 6 Scale for weighing Table 1 1 Outdoor Unit Q ty U 72ME1U9 U 96ME1U9 Part nam F diia Them U 72ME1U9E U 96ME1U9E 6 ton 8 ton Outer Inner diameter O diameter 0 1 i 91 1 8 928 58 3 4 819 05 Connection tubing SUE inner diameter diameter 1 1 97 8 922 22 QJ 3 4 19 05 Instruction manual E paper il 1 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A 78 1 5 Tubing Length Select the installation location so that the length and size of refrigerant tubing are within the allowable range shown in the figure below 1 Main tubing length LM LA LB lt 262 ft 2 Main distribution tubes LC LH are selected according to the capacity after the distribution joint 3 The outdoor connection main tubing LO portion is determined by the total capacity of the outdoor units that are connected to the tube ends 4 Sizes of indoor unit connection tubing 21 240 are determined by the connection tubing sizes on the indoor units A L1 H3 r Balance tubing L2 R410A distribution joint CZ P680PJ1U for outdoor unit CZ P1350PJ1U for outdoor unit CZ P160BK1U for indoor unit 01 4
69. of ceiling panel lt lt P09 gt gt device Float switch is activated lt lt P10 gt gt Operation of protective function of fan inverter P12 O sensor detects low oxygen level activated P14 Protective device in outdoor unit Incorrect discharge temperature Comp No 1 P03 is activated High pressure switch or over load relay is activated P04 Power supply voltage is unusual The voltage is less than 160 V between L1 and L2 phase Negative defective phase P05 Compressor running failure resulting from missing phase in the P16 compressor wiring etc Start failure not caused by IPM or no gas Incorrect discharge temperature Comp No 2 P17 Outdoor unit fan motor is unusual P22 Overcurrent at time of compressor runs more than 80Hz DCCT secondary current or ACCT primary current is detected at a time P26 other than when IPM has tripped IPM trip IPM current or temperature H31 Inverter for compressor is unusual DC compressor does not P29 operate Thermistor Indoor thermistor is either open Indoor coil temp sensor E1 lt lt F01 gt gt fault or damaged Indoor coil temp sensor E2 lt lt F02 gt gt Indoor coil temp sensor E3 lt lt F03 gt gt Indoor suction air room temp sensor TA lt lt F10 gt gt Indoor discharge air temp sensor BL lt lt F11 gt gt Outdoor thermistor is either Comp No 1 discharge gas temp sensor DISCH1 F04 open or damaged Comp No 2 discharge gas temp sensor DISCH2 FO5 Out
70. of the compressor should be warm to the touch and the crankcase heater around the feet of the compressor should be hot to the touch Fig 7 1 ollo Ve tube 6 Both the gas and liquid tube service valves are open If not open them now Fig 7 2 Balance tube _ 7 Request that the customer be present for the trial run Liquid tube Explain the contents of the instruction manual then have the customer actually operate the system 8 Be sure to give the instruction manual and warranty certificate to the customer Fig 7 2 9 When replacing the control PCB be sure to make all the same settings on the new PCB as were in use before replacement The existing EEPROM is not changed and is connected to the new control PCB 35 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A 736 7 2 Test Run Procedure Items to Check Before the Test Run Recheck the items to check before the test run 1 Turn the remote power switch on at least 5 hours before Y Have the outdoor sub units been connected the test in order to energize the crankcase heater 2 After performing the leak inspection applying vacuum and performing refrigerant charge for the tubing which is con nected on site fully open the outdoor unit service valve However if only one outdoor unit is installed a balance tube is not used Therefore leave the va
71. oor and outdoor unit power ON at all systems y To perform automatic address setting in Heating mode on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the automatic address pin CN100 for 1 second or longer then release it Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time y Communication for automatic address setting begins the compressors turn ON and automatic address setting in Heating mode begins All indoor units operate To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the main unit control PCB turn OFF y At the outdoor main unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it l Repeat the same steps to complete automatic address setting for all units y Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and complete automatic address setting
72. rt H mana 91 1 8 g1 97 8 93 4 95 8 91 2 93 8 91 4 l 028 58 925 4 022 22 019 05 015 88 012 7 09 52 06 35 CZ P1350BK1U Use For indoor unit Capacity after distribution joint is greater than 232 000 BTU h 68 0 kW and no more than 460 700 BTU h 135 0 kW Gas tubing 6 57 64 Liquid tubing Insulation Reducing i Joints iti Insulation j Heducing Unit in omg Outside dimension Table 1 17 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E Part F Part G Part H Part Part J in mm 1 3 8 91 14 1 1 8 ot 07 8 03 4 05 8 01 2 03 8 01 4 l 034 92 931 75 028 58 025 4 022 22 019 05 015 88 012 7 09 52 06 35 08 323 W 2WAY ILNA DOE 11 10 18 7 23PM lt Y14 1 13 Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 1 3 4 5 7 10 1 and 10 2 use the liquid tubing size and length and calculate the amount of addi tional refrigerant charge using the formula below Required additional refrigerant charge oz Necessary Amount of
73. se the pressure then remove the hose 4 Replace the 1 4 flare nut and its bonnet on the gas tube service port and fasten the flare nut securely with an adjustable wrench or box wrench This process is very important to prevent gas from leaking from the system 5 Replace the valve caps at both gas and liquid service valves and fasten them securely This completes air purging with a vacuum pump The air condi tioner is now ready for a test run 34 Pressure gauge Manifold valve Gas tube Outdoor unit Liquid tube Balance tube Fig 6 5 Gas tube Outdoor unit Liquid tube Balance tube 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM amp 4 235 7 TEST RUN 7 1 Preparing for Test Run e Before attempting to start the air conditioner check the following 1 All loose matter is removed from the cabinet especially ON steel filings bits of wire and clips Power must be turned ON at least 5 hours before 2 The control wiring is correctly connected and all attempting test run electrical connections are tight 3 The protective spacers for the compressor used for transportation have been removed If not remove them now Power mains switch 4 The transportation pads for the indoor fan have been Fig 7 1 removed If not remove them now 5 The power has been connected to the unit for at least 5 hours before starting the compressor The bottom
74. stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas Others Do not touch the air inlet or the N CAUTION sharp aluminum fins of the EN outdoor unit You may get injured Do not sit or step on the unit you may fall down accidentally N Do not stick any object into the FAN CASE You may be injured and the 4 unit may be damaged Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig erant gas leaking out its density will not exceed a set limit The refrigerant R410A which is used in the air condition er is safe without the toxicity or combustibility of ammonia and is not restricted by laws imposed to protect the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise excessively Suf focation from leakage of refrigerant is almost non existent With the recent increase in the number of high density buildings however the installation of multi air conditioner systems is on the increase because of the need for effec tive use of floor space individual control energy conserva tion by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared to conventional individual air conditioners If a single unit of the multi air conditioner
75. system is to be installed in a small room select a suitable model and installation pro cedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur ASHRAE and the International Mechanical Code of the ICC as well as CSA provide guidance and define safe guards related to the use of refrigerants all of which define a Refrigerant Concentration Level RCL of 25 pounds per 1 000 cubic feet for R410A refrigerant For additional guidance and precautions related to refrigerant safety please refer to the following documents International Mechanical Code 2009 IMC 2009 or more recently revised ASHRAE 15 ASHRAE 34 i d 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM A UA4 Precautions for Installation Using New Refrigerant 1 Care regarding tubing 1 1 Process tubing e Material Use C1220 phosphorous deoxidized copper specified in JIS H3300 Copper and Copper Alloy Seamless Pipes and Tubes For tubes of 97 8 622 22 mm or larger use C1220 T 1 2H material or H material and do not bend the tubes e Tubing size Be sure to use the sizes indicated in the table below e Use a tube cutter when cutting the tubing and be sure to remove any flash This also applies to distribution joints optional When bending tubing use a bending radius that is 4 times the outer diameter of the tubing or larger Use s
76. t even if the refrigerant gas accidentally leaks out its density does not exceed the limit level for that room Pay special attention to any location CAUTION such as a basement etc where leak ing refrigerant can accumulate since refrigerant gas is heavier than air 1 11 Installing Distribution Joint 1 Refer to HOW TO ATTACH DISTRIBUTION JOINT enclosed with the optional distribution joint kit CZ P680PJ1U CZ P1350PJ1U CZ P160BK1U CZ P680BK1U CZ P1350BK1U 2 When creating a branch using a commercially available T joint header joint system orient the main tubing so that it is either horizontal level or vertical In order to prevent accumu lation of refrigerant oil in stopped units if the main tubing is horizontal then each branch tubing length should be at an angle that is greater than horizontal If the main tubing is verti cal provide a raised starting portion for each branch 2 If there are height differences between indoor units or if branch tubing that follows a distribution joint is connected to only 1 unit a trap or ball valve must be added to that distribution joint When adding the ball valve locate it within 1 3 ft of the distribution joint If a trap or ball valve is not added do not operate the sys tem before repairs to a malfunctioning unit are completed The refrigerant oil sent through the tubing to the malfunctioning unit will accumulate and may damage the compressor 11
77. t main outdoor unit PCB Error of sub outdoor unit in receiving serial communication signal E29 from main outdoor unit Indoor unit communication error Error of main indoor unit in receiving serial communication signal E18 of group control wiring from sub indoor units Improper setting This alarm message shows when an indoor unit for multiple use Lo2 is not connected to the outdoor unit Duplication of main indoor unit address setting in group control lt L03 gt Duplication of outdoor R C address setting L04 There are 2 or more indoor unit Priority set remote controller L05 controllers that have operation m mode priority in refrigerant circuit Non priority set remote controller LO6 Group control wiring is connected to individual control indoor unit LO7 Indoor unit address is not set L08 Capacity code of indoor unit is not set lt lt L09 gt gt Capacity code of outdoor unit is not set L10 Mis matched connection of outdoor units that have different kinds L17 of refrigerant 4 way valve operation failure L18 Continued 08 323 W 2WAY IL NA DOE 11 10 18 7 24 PM A P748 48 Possible cause of malfunction ies Activation of Protective device in indoor unit Thermal protector in indoor unit fan motor is activated lt lt P01 gt gt protective is activated Improper wiring connections
78. tering the tubes Refrigerant tubing Existing tubing can be used Tubing size in mm Material O Material 1 2H H 91 4 26 35 t1 32 0 8 97 8 022 22 t5 128 t1 0 93 8 09 52 t1 32 t0 8 91 925 4 t5 128 t1 0 91 2 612 7 t1 32 t0 8 01 1 8 028 58 t5 128 t1 0 95 8 015 88 t5 128 t1 0 91 1 4 931 75 13 64 t1 1 93 4 919 05 over t5 128 t1 0 91 3 8 034 92 over t3 64 t1 1 3 5 Connect the Tubing Use the supplied connector tubing See figure below 72 type 6 Ton Refrigerant tubing Connection method Supplied parts used Gas tubing Brazing No Liquid tubing Flare connection No Balance tube Flare connection No Refrigerant tubing Connection method Supplied parts used Gas tubing Brazing Yes 03 4 gt 97 8 Liquid tubing Flare connection No Balance tube Flare connection No 22 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM amp 223 Refrigerant tube port Use caulking putty or a similar material to fill any gaps at the j C Bottom refrigerant tube port KS in order to prevent rainwater dust or GG o p p 7 wn
79. uate ventilation Do not do any wiring or tubing within 1 ft of the front panel because this space is needed as a servicing space for the compressor Ensure a base height of 4 or more to ensure that drainage water does not accumulate and freeze around the bottom of the unit e f installing a drain pan install the drain pan prior to installing the outdoor unit Make sure there is at least 6 between the outdoor unit and the ground Also the direction of the tubing and electrical wiring should be from the front of the outdoor unit eiling panel dimensions Ceiling panel dimensions Ceiling panel dimensions d E O x Exhaust fan SN Hot air Z7 G Heat Out Source door unit Fig 2 1 Example of installation of 2 units When wall height is below 6 ft More than 4 in More than 4 in A More than 2in More than 1 7 ft More than 4 in However be sure to ensure a space of 1 ft or more at either the right side or the rear of the unit Fig 2 2 113 Ceiling panel dimensions 35 14 35 4 35 o 35 Ceiling panel dimensions 36 1 4 Installation hole pitch S 37 1 2 Maximum dimensions M 31 1 8 7 7 8 31 1 8 7 708 31 1 8 Installation hole pitch 109 1 16 Installation hole pitch Installation hole pitch I
80. ue to the characteristics of R410A Some tools for R22 and R407C type refrigerant systems cannot be used New R407C tools Manifold gauge Item tool compatible Remarks with R410A Manifold gauge Yes No Types of refrigerant refrigerating machine oil and pressure gauge are different Charge hose Yes No To resist higher pressure material must be changed Vacuum pump Yes Yes Use a conventional vacuum pump if it is equipped with a check valve If it has no check valve purchase and attach a vacuum pump adapter Leak detector Yes No Leak detectors for CFC and HCFC that Vacuum pump react to chlorine do not function because Outlet R410A contains no chlorine Leak detector for HFC134a can be used for R410A Flaring oil Yes No For systems that use R22 apply mineral oil Suniso oil to the flare nuts on the tubing to prevent refrigerant leakage For machines that use R407C or R410A apply synthetic oil ether oil to the flare nuts Using tools for R22 and R407C and new tools for R410A together can cause defects 4 08 323 W 2WAY IL NA DOE 11 10 18 7 23 PM amp P5 3 2 Use R410A exclusive cylinder only Valve Single outlet valve with siphon tube Liquid refrigerant should be recharged with the cylinder standing on end as shown New refrigerant R410A cannot be used for earlier models 1 Compressor specifications are di
81. ufficient care in handling the tubing Seal the tubing ends with caps or tape to CAUTION prevent dirt moisture or other foreign substances from entering These substances can result in system malfunction a Unit in mm Material O Cobbertitie Outer diameter 1 4 6 35 3 8 9 52 1 2 12 7 5 8 15 88 3 4 19 05 Wall thickness 1 32 0 8 1 32 0 8 1 32 0 8 5 128 1 0 over5 128 1 0 Unit in mm Material 1 2 H H Somers Outer diameter 7 3 22 22 1 25 4 1 1 8 28 58 1 1 4 31 75 1 1 2 38 1 1 5 8 41 28 Wall thickness 5 128 1 0 5 128 1 0 5 128 1 0 3 64 1 1 over 3 64 1 15 over 3 64 1 20 1 2 Prevent impurities including water dust and oxide from entering the tubing Impurities can cause R410A refriger ant deterioration and compressor defects Due to the features of the refrigerant and refrigerating machine oil the prevention of water and other impurities becomes more important than ever 2 Be sure to recharge the refrigerant only in liquid form 2 1 Since R410A is a non azeotrope recharging the refrigerant in gas form can lower performance and cause defects in the unit 2 2 Since refrigerant composition changes and performance decreases when gas leaks collect the remaining refriger ant and recharge the required total amount of new refrigerant after fixing the leak 3 Different tools required 3 1 Tool specifications have been changed d
82. unit may stop running causing the unit to be damaged O There may be no air flow O The tubing may freeze and burst The condenser pressure may drop because of strong wind and the indoor unit may freeze 2 5 Precautions When Installing in Heavy Snow Areas a The platform should be higher than the maximum snow depth Fig 2 5 b The 2 anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of the outdoor unit c The platform foundation must be solid and the unit must be secured with anchor bolts d When installing on a roof subject to strong wind coun termeasures must be taken to prevent the unit from being overturned 17 SSSR PSSS ANTON RRRS DOCCOL AVOID Without snow With snow Fallen ud proof ducting proof ducting Without platform High platform Fig 2 5 08 323 W 2WAY IL NA DOE 2 6 Dimensions of Wind Ducting 11 10 18 7 24 PM RAY 18 Reference diagram for air discharge chamber field supply Ceiling panel 399 346 Air direction Front direction 35 Ceiling panel dimensions 35 1 4 Maximum bracket dimensions Front view 3 unit installation 113 3 unit installation maximum dimensions 106 1 8 2 E s Ceiling panel dimensions
83. ystem address No of indoor units circuit system 2 setting 9 units setting 4 S002 S003 S004 ON PC 1 2 OFF S005 ON UN E H E O F No 2 sub unit settings No of S006 Unit Unit S007 outdoor number Sd ON number ON ON units 2 units hr setting u n hi setting g A u 9 setting 1 2 3 0FF unit No 1 Li OFF L unitNo 2 L1_2 3 OFF Move the socket to Unit eec the OPEN side No2 y CN003 Sub N Inter outdoor unit control wiring Inter unit control wiring P rH 4 LESS To other system link wiring Indoor and outdoor unit power can be turned ON for each system separately gt Indoor and outdoor unit power cannot be turned ON for each system separately Automatic address setting in Heating mode Automatic address setting in Cooling mode Controller Indoor unit 2 1 2 2 Remote control Remote communucation wiring Make settings as appropriate for the cases listed below Refer to the instructions on the following pages Case 2 Y Case 3A Y Case 3B Fig 7 6 40 2 9 08 323 W 2WAY ILNA DOE 11 10 18 7 24PM lt Y41 Automatic Address Setting no compr

Panasonic ECOi 2 Way Installation Manual

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