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Installer reference guide

Split system air conditioners

English

Installer reference guide

Split system air conditioners

RZQG71L9V1L

RZQG71L8Y1L
RZQG100L8Y1L
RZQG125L8Y1L

RZQG140L7Y1L

Summary of Contents for RZQG-LV1L

Page 1: ...Installer reference guide Split system air conditioners English Installer reference guide Split system air conditioners RZQG71L9V1L RZQG71L8Y1L RZQG100L8Y1L RZQG125L8Y1L RZQG140L7Y1L...

Page 2: ...the outdoor unit 14 6 4 9 To determine if oil traps are required 15 6 5 Checking the refrigerant piping 15 6 5 1 About checking the refrigerant piping 15 6 5 2 Precautions when checking the refrigeran...

Page 3: ...BURNING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time to return to normal temperature If you m...

Page 4: ...lation WARNING Make sure there is no oxygen in the system Refrigerant may only be charged after performing the leak test and the vacuum drying In case recharge is required see the nameplate of the uni...

Page 5: ...ting the power supply the current carrying connections must be separated before the earth connection is The length of the conductors between the power supply stress relief and the terminal block itsel...

Page 6: ...now before going on site Installation What to do and know to install the system Commissioning What to do and know to commission the system after it is installed Hand over to the user What to give and...

Page 7: ...of dust is created the unit MUST be covered Choose an installation location with sufficient space for carrying the unit in and out of the site 5 2 1 Installation site requirements of the outdoor unit...

Page 8: ...tdoor unit is designed for outdoor installation only and for ambient temperatures ranging Model Cooling Heating RZQG 15 50 C 20 15 5 C 5 2 2 Additional installation site requirements of the outdoor un...

Page 9: ...iping material Piping material Phosphoric acid deoxidised seamless copper Flare connections Only use annealed material Piping temper grade and thickness Outer diameter Temper grade Thickness t a 6 4 m...

Page 10: ...licable legislation WARNING ALWAYS use multicore cable for power supply cables 6 Installation 6 1 Overview Installation This chapter describes what you have to do and know on site to install the syste...

Page 11: ...ion bolts using nuts with resin washers a If the coating on the fastening area is stripped off the metal can rust easily a 6 3 4 To install the outdoor unit 4 M12 6 3 5 To provide drainage Make sure t...

Page 12: ...ing to the outdoor unit Connecting the refrigerant piping to the indoor unit Installing oil traps Insulating the refrigerant piping Keeping in mind the guidelines for Pipe bending Flaring pipe ends Br...

Page 13: ...pe 4 Flare the pipe Set exactly at the position as shown in the following figure A Flare tool for R410A clutch type Conventional flare tool Clutch type Ridgid type Wing nut type Imperial type A 0 0 5...

Page 14: ...stem cap The stem cap is sealed where indicated with the arrow Do NOT damage it After handling the stop valve tighten the stem cap and check for refrigerant leaks To handle the service cap ALWAYS use...

Page 15: ...r unit is installed higher than the outdoor unit Install an oil trap every 10 m height difference a b 10 m a Rising gas piping with oil trap b Liquid piping The outdoor unit is installed higher than t...

Page 16: ...3 Vacuum the system for at least 2 hours to a manifold pressure of 0 1 MPa 1 bar 4 After turning the pump OFF check the pressure for at least 1 hour 5 If you do NOT reach the target vacuum or CANNOT...

Page 17: ...ports indicated on the figures below opened The location is depending on model type RZQG71_V1 a b c RZQG71_Y1 a b c RZQG100 140_Y1 a b c a Internal service port b Stop valve with service port liquid...

Page 18: ...1 2 2 kg tCO2 eq GWP kg 1000 kg kg GWP XXX RXXX a f c d e a If a multilingual fluorinated greenhouse gases label is delivered with the unit see accessories peel off the applicable language and stick i...

Page 19: ...terminal c b b a c a B B a Terminal b Screw c Flat washer O Allowed X NOT allowed Tightening torques Item Tightening torque N m M4 X1M 1 2 1 8 Item Tightening torque N m M4 earth 1 2 1 4 M5 X1M 2 0 3...

Page 20: ...Connecting to the frame When cables are routed from the unit a protection sleeve for the conduits PG insertions can be inserted at the knockout hole When you do not use a wire conduit protect the wir...

Page 21: ...esult NOTICE Do NOT operate the unit until the refrigerant piping is complete when operated this way the compressor will break NOTICE Cooling operation mode Perform the test run in cooling operation m...

Page 22: ...Group Address 4 Press Test Operation is displayed on the home menu Cool Return Setting Test Operation 5 Press within 10 seconds Test run starts 3 Check operation for 3 minutes 4 Check operation of the...

Page 23: ...arge in kg 1000 9 1 Overview Maintenance and service This chapter contains information about Maintenance safety precautions The yearly maintenance of the outdoor unit 9 2 Maintenance safety precaution...

Page 24: ...ion 11 3 To pump down DANGER RISK OF EXPLOSION Pump down Refrigerant leakage If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump dow...

Page 25: ...c d e eB eD A B C D E HB HU HD B 100 A B C 100 100 100 B E 100 1000 500 A B C E 150 150 150 1000 500 D 500 D E 1000 500 500 500 B D 100 B D E HB HD HB HU 250 750 1000 500 HU HB HU 250 1000 1000 500 H...

Page 26: ...equired to install a roof but seal the gap between the upper and lower units to prevent discharged air from flowing back to the suction side through the bottom of the unit 12 2 Piping diagram Outdoor...

Page 27: ...F8U RZQG71_V1 F1U F2U Fuse F6U Fuse T 3 15 A 250 V F7U F8U Fuse F 1 0 A 250 V F1U F8U RZQG_Y1 F1U F2U Fuse 31 5 A 250 V F1U A2P Fuse T 5 0 A 250 V F3U F6U Fuse T 6 3 A 250 V F7U F8U Fuse F 1 0 A 250 V...

Page 28: ...explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction...

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Page 32: ...4P473074 1A 2019 04 Copyright 2017 Daikin...

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