Daikin RZQ24PVJU (9)- Manuals

Page 2 - CONTENTS

SPLIT SYSTEM Air Conditioners Installation manual 1 English CONTENTS 1. SAFETY CONSIDERATIONS ........................................... 1 2. INTRODUCTION ............................................................... 3 3. BEFORE INSTALLATION .................................................. 4 4....

Page 3 - English

English 2 When wiring, position the wires so that the control box • cover can be securely fastened. Improper positioning of the control box cover may result in electric shocks, fi re, or the terminals overheating.Before touching electrical parts, turn off the unit. • Be sure to install a ground faul...

Page 4 - This air conditioner is an appliance that should not be; INTRODUCTION; Confi rm that the following accessories are supplied.

3 English This air conditioner is an appliance that should not be • accessible to the general public.The wall thickness of fi eld-installed pipes should be • selected in accordance with the relevant local, state, and national regulations. 〈 Safety Precaution 〉 The PCI Data Station is a class A produ...

Page 5 - Main components; BEFORE INSTALLATION

English 4 Main components 2-5 For main components and function of the main components, refer to the Engineering Data Book. BEFORE INSTALLATION 3. 〈 Bringing-in 〉 Bring in the outdoor unit slowly by holding the lugs provided on the left and right sides as shown in the fi gures below.(Take care so tha...

Page 7 - Install the frame to achieve “L; Close the area under the frame so that the outlet air does

English 6 (B) When an obstruction is present on the air outlet side When the upward area is open • When one outdoor unit is installed individually (1) 20 or more When two or more outdoor units are installed side (2) by side 40 or more When an obstruction is present also in the upward area • When one...

Page 9 - Installation is not allowed.; CAUTIONS ON INSTALLATION

English 8 (D) When outdoor units are stacked When an obstruction is present on the air outlet (1) side 4 Z 40 or more NOTE Only two outdoor units can be stacked. 1. About 4 in. is required as the drain piping size for the upper 2. outdoor unit.Close the area Z (gap between the upper outdoor unit and...

Page 10 - REFRIGERANT PIPING WORK; Selection of piping material

9 English REFRIGERANT PIPING WORK 6. CAUTION <To piping technician> Make sure to open the stop valves after fi nishing the • piping work. (Refer to the table shown in “ 6-7 Additional refrigerant charge”.)(Operating the air conditioner with the stop valve shut may damage the compressor.) Use R...

Page 12 - Additional refrigerant charge

11 English Vacuum drying • - Use a vacuum pump which can evacuate up to –14.6 psi or less.[Procedure] Operate the vacuum pump for evacuation for 2 hours or more using both liquid pipe and gas pipe until the vacuum pressure reaches –14.6 psi or less. Leave the air conditioner at –14.6 psi or less for...

Page 13 - Opening direction; ELECTRIC WIRING WORK

English 12 Stop valve operation Cautions on handling the stop valve The fi gure below shows the name of each part required in • handling the stop valve. At the time of shipment, the stop valve is closed. Valve cap Service port Field piping connection part Valve stem Silicon sealant (Take care not to...

Page 14 - -3 Power supply wiring connection procedure; Connection example of whole system wiring; Precautions when knocking out knockout holes; Power supply wiring connection procedure; WARNING

13 English Perform the electric wiring work in accordance with the • “electric wiring diagram label”.Make sure to turn OFF the branch switch and overcurrent protective device before starting the work.Perform grounding to the indoor unit and outdoor unit. • Use only copper wires. • Make sure to turn ...

Page 16 - Transmission wiring connection procedure; CHECKS AFTER COMPLETION OF; Power on and check operation

15 English Transmission wiring connection procedure 7-4 If an excessive force is applied while connecting a cable • to the terminal block on the PC board, the PC board may be damaged. IN/D OUT/D F1 F2 F1 F2 L1 L2 F 1 IN/D OUT/D F 2 F 1 F 2 F1 F2 Use the conductor of sheathed wire (2 wire) (no polari...

Page 17 - Checks in normal operation; -1 Power on and check operation

English 16 In the check operation, the status of the outdoor unit is • checked, and incorrect wiring is checked for. (1) • Close the front panel of the outdoor unit. • Turn ON the power to the outdoor unit and indoor unit. Caution Make sure to turn on the power 6 hours before starting operation for ...

Page 18 - CAUTION FOR REFRIGERANT LEAKS; Refrigerant gas is heavier than air and replaces oxygen. A

17 English When a malfunction code is displayed in the remote controller (Check a malfunction code in the remote controller connected to the indoor unit.) Malfunction code Cause Solution E3 The stop valves in the outdoor unit remain closed. Open the stop valve on both the gas and liquid lines. The r...

Page 19 - Procedure for checking maximum concentration; Where a single refrigerant facility is divided into 2 entirely

English 18 Pay a special attention to the place, such as a basement, etc. where refrigerant can stay, since refrigerant is heavier than air. Procedure for checking maximum concentration Check the maximum concentration level in accordance with steps 1 to 4 below and take whatever action is necessary ...