INSTALLATION MANUAL
Contents
1. Panasonic INSTALLATION MANUAL OUTDOOR UNIT MULTI CONNECTION PIPING KIT CZ 32PJ2PQ CZ 48PJ2PQ OS Outdoor unit multi connection piping kit Installation manual A IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY PANASONIC WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL IF UNSURE OF INSTALLATION PROCEDURES OR USE ALWAYS CONTACT YOUR PANASONIC DEALER FOR ADVICE AND INFORMATION This kit includes the following parts Table 1 Insulation Gas side joint Liquid side joint Reducer for gas pipe Reducer for liquid pipe Gas__ Liquid 1 2 3 7 1 D 022 2 ID 919 1 L ID 015 9 1 1D 019 1 O z ID 019 1 y ID 222 2 O L ID 022 2 1D 938 1 ID 25 4 z ID 29 5 M T ID 925 4 ID 028 6 KS ID 034 9 7 ID 012 7 g d ID 228 6 T OD 931 8 gt e OD 025 4 0D 031 8 a N L OD 025 4 es O E ID 0159 H n 012 7 r ID 09 5 1x 1x 1x 1x 1x 1x 1x 1x 1x 1 1 1 3 4 5 7 1 2 ID 938 1 ID 922 2 r ID 031 8 ID 19 1 m ID 019 1 OD 031 8 L ee ID 015 9 p OD 628 6 0o 9s1 8 E OD 912 7 ID 019 1 ll ID2. SOI NSS S SSS N NONO00O 0 O1 mb Gas pipe 1 field supply 7 Gas side reducer 1 Joint angle of 90 field supply Gas pipe 3 field supply Gas side joint Gas pipe field supply To indoor unit 10 Liquid pipe field supply Liquid side joint 11 Gas pipe 4 field supply Liquid side reducer 1 12 Gas pipe 2 field supply o O O OG BO NM 1 INSTALLATION OF GAS AND LIGUID PIPES Cutting the field supplied gas pipes 1 to 4 Cut the gas pipes 1 to 4 according to table 8 For L dimension of gas pipes 1 to 4 dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account If dimension B of the angled joint you use is different from that dimension B adjust L dimensions of gas pipes 1 to 4 accordingly Table 8 Field supplied gas pipes L mm Outdoor unit Gas pipe1 Gaspipe2 Gaspipe3 Gas pipe 4 8 Hp 220 255 59 237 i 10 Hp 208 243 83 225 L 12 16 Hp 196 231 149 213 Connection piping m Connect the gas and liquid pipes as shown in the figure below Before connecting the pipes first connect the gas side joint and the gas side reducer 1 the liquid side joint and the liquid side reducer 1 m Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A Installation
3. 284 mm standard Gas pipe Liquid pipe Bottom frame A 1 2 3 Removing or attaching the front panel becomes impossible when the distance between the bottom frame and the liquid pipe is more than 143 mm B In case dimension A differs from 284 mm adjust the field supplied interconnection piping between the joint and the outdoor unit 3 INSTALLATION OF GAS AND LIGUID PIPES Cutting the field supplied gas pipes Use the following table in case dimension A is 284 mm If dimension A differs from 284 mm adjust the L dimensions of the gas pipes 1 2 and 3 accordingly For L dimension of gas pipe 3 dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account If dimension B of the angled joint you use is different from that dimension B adjust the L dimension of gas pipe 3 accordingly Installation manual CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A Table 14 Field supplied gas pipes L mm Outdoor unit Gas pipe 1 Gas pipe 2 Gas pipe 3 10 Hp 166 183 360 L 12 16 Hp 232 249 348 Connection piping 7 7891011 Connect the gas and liguid pipes as shown in the figure below Before connecting the pipes first connect the gas side joints and the gas side reducers 1 the liquid side joints and the liquid side reducers 1 See 2 Dimensions for installation on page 7 for the location height of the joint Refer
4. L mm x dimension 233 100 139 233 192 231 271 310 404 Connection piping m Remove the knockout plate on the bottom frame Refer to the installation manual delivered with the outdoor unit m Connect the gas and liquid pipes as shown in the figure below Before connecting the pipes first connect the gas side joints and the gas side reducers 1 the liquid side joints and the liquid side reducers 1 m Refer to the installation manual deliverd with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts B Keep the joint in a horizontal position the caution label must be on top see view 4 m Connect the liquid side reducer 1 by tilting it 10 and bend the field supplied liquid pipe up to the stop valve as shown in the figure see view A If the liquid side reducer is connected vertically without bending the liquid pipes the insulation will not fit 5 6 Hp 1271319 14 15 16 2 127 1319 14 15 17 2 1 Liquid pipe field supply 10 Gas side joint 2 2 Gas side accessory pipe 1 11 Liquid side joint 2 peas with the outdoor 12 Gas side reducer 3 3 Gas side accessory pipe 3 13 Liquid side reducer 2 delivered with the outdoor 44 Joint di t unit cut piping according to M ES table 17 pipes field supply 4 Liquid side joint 1 15 Joint angle 90
5. field supply 5 Gas side joint 1 16 Gas pipe 1 cut piping 6 Gas side reducer 1 according to table 17 7 Liquid side reducer 1 17 Gas pipe 2 cut piping 8 Gas side reducer 4 according to table 17 9 Gas pipe field supply select the pipe length on site 2 AFTER CONNECTION OF THE PIPING Follow the instructions on 2 After connection of the piping on page 6 NOTE CZ 32PJ2PQ 1 2 ID 31 8 3 0049 EPI E CZ 48PJ2PQ 1 2 see A pud iaio ee 5 D 431 8 2 1 2 1 041 3 S ID 038 1 034 9 E A gt Tho 2r D 7 Id In case your installation requires gas field piping of 034 9 or 41 3 in function of the total capacity of the outdoor units proceed as follows for installation of additional gas pipe reducers 7 8 Field piping Gas side reducer 7 Gas side joint Gas side reducer 8 Gas side joint 1 Gas side joint 2 Cut at the center of the connection with a pipe cutter ID 31 8 6 pPOG no N CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A Installation manual 10 4PW21862 1A
6. B of the angled joint you use is different and or if the the joints for same diameter pipes have stoppers adjust L dimensions of gas pipes 1 and 2 accordingly Table 10 BH For 8 10 Hp Gas side accessory pipe 3 delivered with the unit Gas pipe 1 field supply B mm L mm x dimension x dimension Outdoor unit 100 139 233 100 139 233 76 piping joint field EE piping 133 8 Hp 76 37 80 34 piping piping B joint joint field field piping piping 85 133 10 Hp 34 a cutting position M For12 16 Hp Gas pipe 1 field supply Gas pipe 2 field supply L mm L mm x dimension x dimension Outdoor unit 100 139 233 100 139 233 sk ud 12 16 Hp 192 231 325 L 271 310 404 L M NE rr Connection piping m Remove the knockout plate on the bottom frame Refer to the installation manual delivered with the outdoor unit m Connect the gas and liquid pipes see figure below Before connecting the pipes first connect the gas side joint and the gas side reducer 1 the liquid side joint and the liquid side reducer 1 m Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts m Keep the joint in a horizontal position the caution label must be on top see view m Connect the liquid side reducer 1
7. Cut the insulation 5 along the slit 4 Fit the insulation around the joint 6 and keep it in place with tape mm 7 without leaving a gap between the two insulated parts Step 3 Seal the seam between the insulation and the field piping insulation with tape mm 8 Step 4 Cover the insulated parts completely with tape mm without leaving any gaps 9 B All required tape is field supply M Incase of indoor installation make sure that the tape is of the fireproof type in order to comply with local regulations FOR CZ 48PJ2PQ A Refer to the installation manual of the outdoor unit for selection and restriction for the piping between outdoor branches Not observing restrictions on the interconnecting piping may result in malfunctioning of the unit Pipe size selection and cutting position of joints Select the correct pipe size according with the tables below and cut the joints and reducers on the correct places with a pipe cutter 1 Main pipe 2 Outdoor unit multi connection piping kit 3 Pipe between the outdoor unit multi connection piping kit and the outdoor unit 4 Connection inbetween connection joints Table 11 Main pipe Mm Select the pipe size in function of the total capacity of the outdoor unit rae Total capacity Pipe size outdoor units Liquid 34 Hp 234 9x1 21 1 2H O19 1x0 80 1 2H 36 48 Hp O41 3x1 43 1 2H O19 1x0 80 1 2H a OD x minimum wa
8. cutter sA Hi PDT 2 14 2 3 3 IN CASE OF FRONT PIPING 1 EXTERIOR 1 Gas pipe 1 field supply 6 2 Liquid side joint 7 3 Toindoor unit 8 4 Gas side joint 9 5 Gas side reducer 1 10 Joint or reducer Cut in the center of the connections Field pipe V DN Liquid side reducer 1 Gas pipe field supply Liquid pipe field supply Joint angle of 90 field supply Gas pipe 2 field supply 2 DIMENSIONS FOR INSTALLATION E 7 mE N _ Cc x C ti A 290 mm standard Ly C Gas pipe Liquid pipe Bottom frame 3 INSTALLATION OF GAS AND LIQUID PIPES Cutting the field supplied gas pipes Use the following table in case dimension A is 290 mm If dimension A differs from 290 mm adjust the L dimension of the gas pipes 1 and 2 accordingly For L dimension of gas pipe 2 dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account If dimension B of the angled joint you use is different from that dimension B adjust the L dimension of gas pipe 2 accordingly Table 6 Field supplied gas pipes L mm Outdoor unit Gas pipe 1 Gas pipe 2 8 Hp 166 379 m 10 Hp 190 367 L 12 16 Hp 256 355 IN Table 7 Joint angle of 90 field supply Outdoor unit B mm 8 Hp 17 10 Hp 23 sr 12 16 Hp 29 sn Connection piping m Connect the gas and liquid pipes as shown in the
9. figure below Before connecting the pipes first connect the gas side joint and the gas side reducer 1 the liquid side joint and the liquid side reducer 1 M See 2 Dimensions for installation on page 3 for the location height of the joint m Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts B Keep the joint in a horizontal position The caution label must be on top see view A 44 567 8 1 Gas pipe supplied with 8 the outdoor unit Refer to table 5 Pipe between the outdoor unit multi connec tion piping kit and the outdoor unit on page 3 when cutting Liquid pipe field supply Gas pipe 1 field supply 9 Liquid side reducer 1 refer to table 6 on E page 3 10 Gas pipe field supply select the pipe length on site A 1 2 3 Removing or attaching the front panel becomes impossible when the distance between the bottom frame and the liquid pipe is more than 143 mm B In case dimension A differs from 290 mm adjust the field supplied interconnection piping between the joint and the outdoor unit 4 Refer to table 4 Main 11 Joint angle of 90 field pipe on page 2 when supply refer to table 7 on cutting page 3 Gas side joint 12 Gas pipe 2 field supply refer to Liquid side joint Gas side reducer 1 table 6 on page 3 Installation manual 3 CZ 32 48PJ2PQ Outdoor unit multi connection piping ki
10. first connect the gas side joints and the gas side reducers 1 the liquid side joints and the liquid side reducers 1 m Refer to the installation manual deliverd with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts m Keep the joint in a horizontal position the caution label must be on top see view A 5 4 14 4 15 1 Gas pipe supplied with the outdoor unit 2 Liquid pipe field supply 3 Gas pipe 1 field supply refer to table 15 on page 9 4 Joint angle of 90 field supply 5 Gas side joint 1 6 Liquid side joint 1 7 Gas pipe 4 field supply refer to table 15 on page 9 8 Liquid side reducer 1 9 Gas pipe field supply select the pipe length on site 10 Gas side reducer 1 11 Gas side joint 2 12 Liquid side joint 2 13 Gas pipe 2 field supply refer to table 15 on page 9 14 Gas pipe 5 field supply refer to table 15 on page 9 15 Gas pipe 3 field supply refer to table 15 on page 9 2 AFTER CONNECTION OF THE PIPING Follow the instructions on 2 After connection of the piping on page 5 IN CASE OF BOTTOM PIPING T Be sure to foresee enough space for brazing and piping work under the unit If a centralized drain pan kit and or a vibration proof base are used the dimensions marked with x in the following figure will vary Refer to the table below to determine the correct length of the field pipes 1 Liquid pipe x Distance
11. from the foundation or floor 2 Gaspipe refer to table 16 Table 16 Standard 100 Central drain pan kit installed 139 Vibration proof base or 233 vibration proof base central drain pan kit installed Installation manual 9 CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A 1 INSTALLATION OF GAS AND LIQUID PIPES Cutting the field supplied gas pipes 1 and 2 and the gas side accessory pipe 3 Cut the pipes according to table 17 For the 12 16 Hp type units the gas side accessory pipe 3 delivered with the unit will not be used For L dimension of gas pipe 1 10 Hp and of gas pipe 2 12 16 Hp dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account Further connection of gas and field supplied joints for same diameter are of the type without stoppers If dimension B of the angled joint you use is different and or if the joints for same diameter pipes have stoppers adjust L dimensions of gas pipes 1 and 2 accordingly Table 17 BH For10 Hp Gas side accessory pipe 3 Gas pipe 1 delivered with the unit field supply B mm L mm X dimension X dimension 139 233 100 139 233 80 34 34 piping joint piping joint a 271 310 404 L field field piping 85 piping 133 a cutting position M For 12 16 Hp Gas pipe 1 field supply Gas pipe 2 field supply L mm X dimension 139
12. manual 4 m Keep the joint in a horizontal position the caution label must be on top see view A 4 5 6 789102 9119 12 1 Gas pipe supplied with the outdoor unit 2 Liquid pipe field supply 3 Gas pipe 1 field supply refer to table 8 on page 4 4 Gas side joint 5 Liquid side joint 6 Liquid side reducer 1 7 Gas side reducer 1 8 Gas pipe 3 field supply refer to table 8 on page 4 9 Joint angle of 90 field supply 10 Gas pipe field supply select the pipe length on site 11 Gas pipe 4 field supply refer to table 8 on page 4 12 Gas pipe 2 field supply refer to table 8 on page 4 2 AFTER CONNECTION OF THE PIPING Connection piping between the outdoor and indoor unit All piping must be executed according to instructions in the installation manual of the outdoor unit and an air tight test must be performed after complete installation of the piping Insulation of joints SEEN d x 8 9 2 BN m SNS V 4 S Y v ud 1 2 3j 4 Step 1 Fit the insulation 1 around the reducer 2 and keep it in place with tape mm 3 on view 5 1 Step 2 Cut the insulation 5 along the slit 4 Fit the insulation around the joint 6 and keep it in place with tape mm 7 without leaving a gap between the two insulated parts Step 3 Seal the seam between the insulation and the field piping insulation with tape mm 8 Step 4 Cover the insulated parts completely with
13. to table 14 on page 8 for the dimensions of the field supplied gas pipes 1 2 and 3 Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes and for connecting pipes with flare nuts Keep the joint in a horizontal position the caution label must be on top see view A 12 13 51056 3 15 2 Gas pipe supplied with the 8 Gas side joint 1 outdoor unit Liquid side joint 1 Liquid pipe field supply 10 Gas side reducer 1 Gas pipe field supply 11 Refer to table 13 select the pipe length on Connection inbetween site connection joints on Gas pipe 1 field supply page 7 when cutting refer to table 14 on page 8 12 Gasside joint 2 Refer to table 12 Pipe 13 Liquid side joint 2 between the outdoor unit multi connection piping kit and the outdoor unit on 14 Gas pipe 2 field supply refer to table 14 on page 8 page 7 when cutting 15 Joint angle of 90 field Liquid side reducer 1 supply Refer to table 11 Main 16 Gas pipe 3 field supply pipe on page 7 when cut refer to table 14 on page 8 ting 4 AFTER CONNECTION OF THE PIPING Follow the instructions in the paragraph 4 After connection of the piping on page 4 IN CASE OF LOWER FRONT PIPING OOOND Ol POND 1 Liquid pipe field supply 9 Gas pipe 4 field supply 2 Gas pipe 1 field supply 10 Gas pipe field supply 3 Joint angle of 90 field supply 11 Gas side joint
14. 015 9 no ID 015 9 L ID 022 2 T D 925 4 T ID 031 8 1D 09 5 O ID 919 1 L ID 025 4 L ID 028 6 2 10 912 7 a ID 031 8 OD 931 8 SY ID 028 6 o 1x L OD Q25 4 1x 3X 1x 4 L OD 925 4 OD 015 9 E 2 6 8 3 O ID 031 8 ID 028 6 ita ID 015 9 D Q9 C ID 022 2 ii i 1 ID 012 7 1 E ees ID 041 3 m OD 025 4 es OD 938 1 L JU ii OD 915 9 ID 028 6 e ID 015 9 OD 928 6 2 FED 0127 1D 019 1 a Pes 1x 1x 2X 1x 1x 1x 1x 2X 1x 2X 2X NOTE Do not throw away any of the accessories until installation is completed Be sure to read this manual before installation and follow the instructions carefully when performing installation For installation of the outdoor units refer to the installation manual of the outdoor unit The installation of refrigerant pipes between outdoor and indoor units needs to be arranged by refnet joints and refnet headers and is to be purchased separately m For combination of outdoor units follow Engineering Data IE Field supply parts Selection procedure Table 2 Table 3 Parts Guantity Selection procedure Number of outdoor units Kit name For CZ 32 Insulation f 2 units CZ 32PJ2PQ deer ae i T See table 4 Main pipe on page 2 uu set For CZ 48 3 units CZ 48PJ2PQ onnection pipes See table 11 Main pipe on page 7 The joint size must be the same as the gas Joint for gas pipe i pipe size of the outermost outdoor uni
15. 2 4 Gas side joint 1 12 Liquid side joint 2 5 To indoor unit 13 Gas pipe 2 field supply 6 Liquid side joint 1 14 Gas pipe 5 field supply 7 Liquid side reducer 1 15 Gas pipe 3 field supply 8 Gasside reducer 1 Standard installation Gas pipe Liquid pipe Bottom frame 1 2 3 Removing or attaching the front panel becomes impossible when the distance between the bottom frame and the liquid pipe is more than 143 mm NOTE When the dimensions exceed these of the standard gr installation extend the pipes between the outdoor unit and the joint accordingly field supply CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A Installation manual 8 1 INSTALLATION OF GAS AND LIQUID PIPES Cutting the field supplied gas pipes 1 to 5 Cut the pipes 1 to 5 according to table 15 For L dimension of the gas pipes 1 to 5 dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account If dimension B of the angled joints you use is different from that dimension B adjust L dimensions of gas pipes 1 to 5 accordingly Table 15 Outdoor Field supplied gas pipes L mm unit Gas pipe 1 Gas pipe 2 Gas pipe 3 Gas pipe 4 Gas pipe 5 10 Hp 208 225 260 83 225 L 12 16 Hp 196 213 248 149 213 Connection piping m Connect the gas and liquid pipes as shown in the figure below Before connecting the pipes
16. by tilting it 10 and bend the field supplied liquid pipe up to the stop valve as shown in the figure see view A T If the liquid side reducer is connected vertically without bending the liquid pipes the insulation will not fit 4 1 2 1011 14 1 Liquid pipe field supply 9 Gas pipe field supply select the pipe length on 2 Gas side accesory pipe 1 site delivered with the outdoor unit 10 Joint for same diameter 3 Gas side accesory pipe 3 pipes field supply delivered with the outdoor unit cut piping according 11 Joint angle of 90 field to table 10 supply Gas side joint 12 Gas pipe 1 field supply Gas side reducer 1 refer to table 10 8410 Hp Liquid side joint 13 Gas pipe 1 field supply Gas side reducer 3 refer to table 10 12 16 Hp O NO G A Liguid side reducer 1 14 Gas pipe 2 field supply refer to table 10 12 16 Hp 2 AFTER CONNECTION OF THE PIPING Connection piping between the outdoor and indoor unit All piping must be executed according to instructions in the installation manual of the outdoor unit and an air tight test must be performed after complete installation of the piping Insulation of joints Step 1 Fit the insulation 1 around the reducer 2 and keep it in place with tape mm CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A Installation manual 6 Step 2
17. door unit o Table 4 Main pipe m Make sure that the total length of the piping connected to the joint is absolute straight for more than 500 mm Only if a straight field piping of more than 120 mm is connected more than MW Select the pipe size in function of the total capacity of the outdoor unit 500 mm of straight section can be ensured Total capacity Pipe size of outdoor units Liquid 18 22 Hp 228 6x0 99 1 2H O15 9x0 99 O 24 Hp O34 9x1 21 1 2H O15 9x0 99 O 129 Mm 26 32 Hp 234 9x1 21 1 2H 19 1x0 80 1 2H RU h a OD x minimum wall thicknes temper grade type m When upsizing the main pipe use gas side reducer 2 m When using pipes of 019 1 or larger make sure to use pipes with 1 2H temper grade In case there is no alternative and you use the O temper grade for pipes with 19 1 a minimal pipe m Improper installation may lead to malfunction of the outdoor unit thickness of 1 2 mm or more is required and connections need to be brazed CZ 32 48PJ2PQ Installation manual Outdoor unit multi connection piping kit 2 4PW21862 1A Table 5 Pipe between the outdoor unit multi connection piping kit and the outdoor unit Pipe size Outdoor unit Gas Liquid 8 Hp O19 1x0 80 1 2H 29 5x0 80 O 10 Hp 222 2x0 80 1 2H 29 5x0 80 O 12 16 Hp 228 6x0 99 1 2H O12 7x0 80 O a OD x minimum wall thicknes temper grade type m Cutthe pipe with a pipe
18. ll thicknes temper grade type Table 12 Pipe between the outdoor unit multi connection piping kit and the outdoor unit Pipe size Outdoor unit Gas Liquid 10 Hp 222 2x0 80 1 2H 29 5x0 80 O 12 16 Hp 228 6x0 99 1 2H O12 7x0 80 O a OD x minimum wall thicknes temper grade type Table 13 Connection inbetween connection joints Select the pipe size in function of the total capacity of the outdoor units to be connected upstream Pipe size Total capacity of upstream outdoor units lt 22 Hp 028 6x0 99 1 2H 015 9x0 99 O 24 Hp 034 9x1 21 1 2H 015 9x0 99 O gt 26 Hp 034 9x1 21 1 2H 19 1x0 80 1 2H a OD x minimum wall thicknes temper grade type M Cut the pipe with a pipe cutter A 1 Joint or reducer D quM E Cut in the center of the A i connections 1 2 3 3 Field pipe N IN CASE OF FRONT PIPING 1 EXTERIOR 1 2 3 4 5 6 d 7 li AA i 4 dt 10 dd AT 7 Ad 1 Ad 11 Al A 2 aA 1 12 13 1 Liquid pipe field supply 8 Gas pipe field supply 2 Gas pipe 1 field supply 9 Gas side joint 2 3 Liquid side joint 1 10 Liquid side joint 2 4 Toindoorunit 11 Gas pipe 2 field supply 5 Gas side joint 1 12 Joint angle of 90 field supply 6 Gas side reducer 1 13 Gas pipe 3 field supply 7 Liquid side reducer 1 2 DIMENSIONS FOR INSTALLATION wil e
19. pe O 64 28 6 31 8 34 9 38 1 41 3 E E 7 Minimum 1 4 b 5 8 b thickness 0 80 0 80 0 80 0 99 0 80 0 80 0 88 0 99 1 10 1 21 1 32 1 43 BE Eu AI T GT 1d O Annealed 1 2H Half hard First joint gas side Liguid side joint 1 First joint liguid side Liguid side reducer 2 Gas side joint 1 Liguid side reducer 1 RESTRICTIONS ON INSTALLING THE MULTI s Liquid side IEC GI 3 as side reducer 1 to second joint CONNECTION PIPING KIT 4 Gas side reducer 6 b to outdoor unit m In this manual only installation example number 1 is used to explain the front connection Gas side reducer 5 on WwW Pb D ON Oo Ww B Install the joints horizontally so that the caution label 1 attached to the joint comes to the top Do not tilt the joint more than 15 see view A FoR CZ 32PJ2PQ A Refer to the installation manual of the outdoor unit for selection and restrictions for the piping between outdoor branches Not observing restrictions on the interconnecting piping may result in malfunctioning of the unit Pipe size selection and cutting position of the joint Select the correct pipe size according the tables below and cut the joints and reducers on the correct cutting point with a pipe cutter 1 Main pipe 2 Outdoor unit multi connection piping kit 3 Pipe between the outdoor unit multi connection piping kit and the out
20. t 4PW21862 1A 4 AFTER CONNECTION OF THE PIPING Connection piping between the outdoor and indoor unit All piping must be executed according to instructions in the installation manual of the outdoor unit and an air tight test must be performed after complete installation of the piping Insulation of joints 1 als 2 5 e lt lt EN Se x E uj 1 2 3 a Step 1 Fit the insulation 1 around the reducer 2 and keep it in place with tape mm 3 Step 2 Fit the insulation 4 around the joint 5 and keep it in place with tape mm 6 without leaving a gap between the two insulated parts Step 3 Seal the seam between the insulation and the field piping insulation with tape mm 7 Step 4 Cover the insulated parts completely with tape mm without leaving any gaps 8 Standard installation Gas pipe Liquid pipe Bottom frame when the distance between the bottom frame and the liquid pipe is more than 143 mm 1 2 3 A Removing or attaching the front panel becomes impossible NOTE When the dimensions differs from these of the standard 17 installation extend the pipes between the outdoor unit and the joint accordingly field supply B All required tape is field supply B Incase of indoor installation make sure that the tape is of the fireproof type in order to comply with local regulations IN CASE OF LOWER FRONT PIPING NN NN NNNANSN LN
21. t angle of 90 Refer to Pipe size selection and cutting position of the joint on page 2 and page 7 Tape 1 set For insulation Installation manual CZ 32 48PJ2PQ 1 Outdoor unit multi connection piping kit 4PW21862 1A A B The quantity and selection procedure for use of joints INSTALLATION EXAMPLES with an angle of 90 only apply to front or bottom connection installations m For lower front connection installations the quantity and selection procedure are different Please refer to the dedicated instructions m Joints for pipes with the same diameter are only needed for bottom connection installations See dedicated instructions for quantities and specifications T m Use piping with temper grade in function of the pipe diameter as listed in the table below m Make sure to follow the installation restrictions and carry out M The pipe thickness of the refrigerant piping must installation taking the field requirements into consideration comply with relevant local and national regulations m For installations with 3 units like installation examples 5 and 6 The minimum pipe thickness for R 410A piping must the gas side reducers 5 6 and the liquid side reducers 2 be in accordance with the table below for design 3 may in some cases be connected to the first joint pressure of 4 0 MPa 40 bar a m 2 Temper grade Li 6 1 2H type A B H Pi
22. tape mm without leaving any gaps 9 IN CASE OF BOTTOM PIPING Be sure to foresee enough space for brazing and piping work under the unit If a centralized drain pan kit and or a vibration proof base are used the dimensions marked with x in the following figure will vary Refer to the table below to determine the correct length of the field pipes 1 Liquid pipe x Distance from the foundation or floor 2 Gas pipe refer to table 9 Table 9 Standard 100 Central drain pan kit installed 139 Vibration proof base or 233 vibration proof base central drain pan kit installed B All required tape is field supply m Incase of indoor installation make sure that the tape is of the fireproof type in order to comply with local regulations Installation manual 9 CZ 32 48PJ2PQ Outdoor unit multi connection piping kit 4PW21862 1A 1 INSTALLATION OF GAS AND LIQUID PIPES Cutting the field supplied gas pipes 1 and 2 and the gas side accessory pipe 3 Cut the pipes according to table 10 For the 12 16 Hp type units the gas side accesory pipe 3 delivered with the unit will not be used For L dimension of gas pipe 1 8 10 Hp and of gas pipe 2 12 16 Hp dimension B of the field supplied angled joint as in table 7 on page 3 has been taken into account Further connection of gas pipes and the field supplied joints for same diameter are of the type without stoppers If dimension
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