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INSTALLATION INSTRUCTIONS
– W-3WAY ECO-i System Air Conditioner –
X
for Refrigerant R410A
XM
This air conditioner uses the new refrigerant R410A.
NOTE External diameter of service port R410A: 5/16"
A
R410A Models
Indoor Units
Class 7 9 12 18 24 36 48
U
X 4-Way Air Discharge Semi-Concealed Type XHX1252 XHX1852 XHX2452 XHX3652
XM 4-Way Air Discharge Semi-Concealed Type XMHX1252 XMHX1852
A 1-Way Air Discharge Semi-Concealed Type AHX0752 AHX0952 AHX1252
D
U Concealed Duct Type UHX0752 UHX1252
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IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and oper- When Installing… ating standards. As the installer or service person, it is an …In a Room important part of your job to install or service the system so Properly insulate any tubing run inside a room to prevent it operates safely and efficiently. “sweating” that can cause dripping and water damage to For safe installation and trouble-free operation, you must: walls and floors. ● Carefully rea
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2. The standards for minimum room volume are as follows. Check of Density Limit (1) No partition (shaded portion) 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 (2) When there is an effective
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Precautions for Installation Using New Refrigerant 1. Care regarding tubing 1-1. Process tubing ● Material: Use C1220 phosphorous deoxidized copper specified in JIS H3300 “Copper and Copper Alloy Seamless Pipes and Tubes.” For tubes of ø7/8" (ø22.22 mm) or larger, use C1220 T-1/2H material or H material, and do not bend the tubes. ● Tubing size: Be sure to use the sizes indicated in the table below. ● Use a tube cutter when cutting the tubing, and be sure to remove any flash. This also app
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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. Liquid New refrigerant R410A cannot be used for earlier models 1. Compressor specifications are different. 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). Complet
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CONTENTS Page Page IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1-Way Air Discharge Semi-Concealed Type Please Read Before Starting (A Type) Check of Density Limit 3-14. Suspending the Indoor Unit Precautions for Installation Using New Refrigerant 3-15. Placing the Unit Inside the Ceiling New refrigerant R410A cannot be used for earlier models 3-16. Installing the Drain Piping 3-17. Checking the Drainage 1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Page 5. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . 68 5-1. General Precautions on Wiring 5-2. Recommended Wire Length and Wire Diameter for Power Supply System 5-3. Wiring System Diagram 5-4. Important Note When Wiring for Common Type 5-5. Important Note When Wiring for XM Type 6. HOW TO PROCESS TUBING . . . . . . . . . . . . 76 6-1. Connecting the Refrigerant Tubing 6-2. Connecting Tubing Between Indoor and Outdoor Units 6-3. Insulating the Refrigerant Tubing 6-4. Taping the Tu
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1. GENERAL This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the outdoor unit and make sure all accessory parts listed are with the system before beginning. 1-1. Tools Required for Installation (not supplied) 1-3. Type of Copper Tube and Insulation Material 1. Flathead screwdriver If you wish to purchase these materials separately from a 2. Phillips head screwdriver local source, you will need: 3. Knife
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Table 1-2 (4-Way Air Discharge Semi-Concealed) (X-Type) Part Name Figure Q’ty Remarks Full-scale installation diagram 1 Printed on container box Drain hose 1 For securing drain hose Hose band 1 For securing drain hose Drain insulator 1 For drain joint 1 For liquid tube Flare insulator For gas tube 1 White Insulating tape For gas tube joint 2 (heat-resisting) Packing 1 For drain joint Wiring cover 1 For covering electrical wiring Screw 4 For full-scale installation diagram Washer 8 Fo
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Table 1-5 (Concealed Duct High-Static Pressure) Part Name Figure Q’ty Remarks Washer 8 For suspending indoor unit from ceiling Nut 8 For suspending indoor unit from ceiling 1 For gas tube Flare insulator 1 For liquid tube Drain socket 1 For drain pipe connection Table 1-6 (Ceiling-Mounted) Part Name Figure Q’ty Remarks Full-scale installation diagram 1 Printed on container box Washer 4 For temporarily suspending indoor unit from ceiling 2 T1/8" Flare insulator For gas and liquid tube
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+ 1-5. Tubing Length Select the installation location so that the length and size of refrigerant tubing are within the allowable range shown 1. Main tubing length LM = LA + LB … 262 ft. in the figure below. 2. Main distribution tubes LC – LH are selected according to the capacity after the distribution joint. 3. Sizes of indoor unit connection tubing 1 – 40 are determined by the connection tubing sizes on the indoor units. H3 L2 C LM L1 T-joint tubing B (header joint system) Balance tub
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1-6. Tubing Size Unit: in. (mm) Table 1-10 Main Tubing Size (LA) BTU/h 95.500 153.600 191.000 249.100 307.100 Total system 10 16 20 26 32 horsepower Combined 10 16 16 10 16 outdoor units 10 10 16 ø7/8" ø1-1/8" ø1-3/8" Suction tubing (ø22.22) (ø28.58) (ø34.92) ø3/4" ø7/8" ø1-1/8" Discharge tubing (ø19.05) (ø22.22) (ø28.58) ø3/8" ø1/2" ø5/8" ø3/4" Liquid tubing (ø9.52) (ø12.70) (ø15.88) (ø19.05) *1: If future extension is planned, select the tubing diameter based on the total horsepower after
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Table 1-13 Indoor Unit Tubing Connection Size ( 1 – 40) in. (mm) Indoor unit type 912 18 24 36 48 7 Total system horsepower 0.8 1.3 23 4 5 1 ø5/8" Distribution Suction tubing (ø15.88) joint – ø1/2" Discharge tubing solenoid valve (ø12.70) ø3/8" kit tubing Liquid tubing (ø9.52) Solenoid valve ø1/2" ø5/8" Gas tubing (ø12.70) (ø15.88) kit – Indoor unit tubing ø1/4" ø3/8" Liquid tubing connection (ø6.35) (ø9.52) *1: For the solenoid valve kits, use type 160 with parallel specifications. Branch t
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Table 1-17 Refrigerant Charge Amount at Shipment (for outdoor unit) CHDZ09053 CHDZ14053 DC CHDZR09053 CHDZR14053 (oz) 416 416 1-9. System Limitations Table 1-18 System Limitations Max. No. allowable connected outdoor units 2 Max. capacity allowable connected outdoor units 307,100 BTU/h (32 hp, 90 kw) *1 Max. connectable indoor units 40 Max. allowable indoor/outdoor capacity ratio 50 – 130 % *1: In the case of 20 hp (type 191.100 BTU/h) or smaller units, the number is limited by
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tubing to the malfunctioning unit will accumulate Always check the gas density and may damage the compressor.) limit for the room in which the WARNING unit is installed. Minimum indoor volume & floor area as against the amount of refrigerant is roughly as given in the follow- 1-11. Check of Limit Density ing table. When installing an air conditioner in a room, it is necessary 3 2 ft. ft. to ensure that even if the refrigerant gas accidentally leaks 10000 1136 9500 1079 out, its density do
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1-13. Optional Distribution Joint Kits See the installation instructions packaged with the distribution joint kit for the installation procedure. Table 1-19 Model name Cooling capacity after distribution Remarks 1. APR-CHRZP900BAB 307.100 BTU/h or less For outdoor unit 2. APR-RZP224BAB 76.400 BTU/h or less For indoor unit 3. APR-RZP680BAB 232.000 BTU/h or less For indoor unit 4. APR-RZP1350BAB 460.700 BTU/h or less For indoor unit ■ Tubing size (with thermal insulation) 1. APR-CHRZP900BAB
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Table 1-21 Dimensions for connections of each part Unit: in. Position A B C D E F G H I J Dimension ø1-1/2" ø1-1/4" ø1-1/8" ø1" ø7/8" ø3/4" ø5/8" ø1/2" ø3/8" – 2. APR-RZP224BAB Use: For indoor unit (Capacity after distribution joint is 76.400 BTU/h or less.) Example: (F below indicates inner diameter. below indicates outer diameter.) F Liquid tubing Discharge tubing Suction tubing 8–17/64 7–21/64 9–1/4 I F F F G F G H H H H G H GH 2–11/64 1–37/64 IH HI H F H F G G H 5–45/64 5–23/64 Ther
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1-14. Optional Solenoid Valve Kit Precautions on Installation of Solenoid Valve Kit (1) Clean base metals thoroughly. (2) Use proper ventilation to carry fumes away from the work area. (3) Use a high quality silver based solder of at least 15 % silver. (4) Heat the base materials broadly and uniformly. (5) Take precautions not to overheat the device which could damage sensitive internal components. (6) Insure compliance with all local codes! Specifications ATK-RZP56BAWB Types and specifications
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Specifications ATK-RZP160BAWB Part Types and specifications of ATK-RZP160BAWB Number tubing connections 1 Gas tube: ID5/8" Compatibility 19.000 Total capacity of indoor units (BTU/h) < 54.600 2 Liquid tube : ID3/8" Power source Single-phase 200V 50/60Hz (supplied by indoor unit) 3 Suspension hook Power input 25 W 4 Liquid tube : ID3/8" Net weight 165.8 oz. 5 Suction tube: ID5/8" Accessories Washer x 2 6 Discharge tube: ID1/2" Insulating tape 7 Service panel 8 Base of control box 9 Terminal for p
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Installation of Solenoid Valve Kit 1. Install the relay kit into the indoor unit. Refer to the Installation Manual for the solenoid valve kit. 2. Connect the solenoid valve kit and the relay kit in the field. Suspension hook Gas tube Liquid tube Top surface Connect with conduit for power supply Discharge tube Relay kit Front Liquid tube Suction tube Cover of control box NOTE Notes on Installation Be sure to secure the valve body by using its structure with the suspension bolt, etc. Instal
