ASU12RL2 Installation Manual

ManualsBrandsFujitsu ManualsCooling & Air Quality12,000 BTU 16 SEER Ductless Mini-Split Heat Pump System

PART NO. 9332622027

Contents

1. SAFETY PRECAUTIONS ............................................. 2

1.1. IMPORTANT! Please read before starting ............. 2

1.2. SPECIAL PRECAUTIONS ..................................... 2

2. ABOUT THE UNIT ........................................................ 3

2.1. Precautions for using R410A refrigerant ................ 3

2.2. Special tools for R410A .......................................... 3

2.3. For authorized service personnel only. .................. 3

2.4. Accessories ............................................................ 4

3. GENERAL ..................................................................... 4

3.1. Type of copper pipe and insulation material ........... 4

3.2. Additional materials required for installation........... 4

3.3. Operating range ..................................................... 5

4. ELECTRICAL REQUIREMENT .................................... 5

5. SELECTING THE MOUNTING POSITION ................... 5

5.1. Indoor unit .............................................................. 5

6. INSTALLATION WORK ................................................ 5

6.1. Installation dimensions ........................................... 5

6.2. Indoor unit piping direction ..................................... 5

6.3.

Cutting the hole in the wall for the connecting piping

... 6

6.4. Installing the wall hook bracket .............................. 6

6.5. Forming the drain hose and pipe ........................... 6

6.6. Flare connection (Pipe connection)........................ 7

7. ELECTRICAL WIRING ................................................ 9

7.1. Wiring system diagram ........................................... 9

7.2. How to the install the indoor unit wire harness ...... 9

7.3. How to connect wiring to the terminals ................ 10

8. FINISHING ................................................................. 11

9. FRONT PANEL REMOVAL AND INSTALLATION ..... 11

10. TEST RUN .................................................................. 12

11. REMOTE CONTROLLER INSTALLATION ................ 12

11.1. Remote controller holder installation .................. 12

12. FUNCTION SETTING ................................................. 13

12.1. INDOOR UNIT (Setting by remote controller) .... 13

13. ERROR CODES ......................................................... 15

14. CUSTOMER GUIDANCE ........................................... 16

AIR CONDITIONER

INDOOR UNIT

Wall Mounted Type

INSTALLATION MANUAL

For authorized service personnel only.

9332622027_IM.indb 19332622027_IM.indb 1 2012-9-29 8:36:122012-9-29 8:36:12

Summary of content (16 pages)

PAGE 1
AIR CONDITIONER INDOOR UNIT Wall Mounted Type INSTALLATION MANUAL For authorized service personnel only. Contents 1. SAFETY PRECAUTIONS ............................................. 2 1.1. IMPORTANT! Please read before starting ............. 2 1.2. SPECIAL PRECAUTIONS ..................................... 2 2. ABOUT THE UNIT ........................................................ 3 2.1. Precautions for using R410A refrigerant ................ 3 2.2. Special tools for R410A................................
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1. SAFETY PRECAUTIONS 1.1. IMPORTANT! Please read before starting This air conditioning system meets strict safety and operating 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. Follow each installation or repair step exactly as shown.
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2. ABOUT THE UNIT WARNING • Do not use the existing (for R22) piping and flare nuts. 2.1. Precautions for using R410A refrigerant The basic installation work procedures are the same as conventional refrigerant (R22) models. However, pay careful attention to the following points: • Since the working pressure is 1.6 times higher than that of conventional refrigerant (R22) models, some of the piping and installation and service tools are special. (See the table below.
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2.4. Accessories 3. GENERAL The following installation accessories are supplied. Use them as required. Name and Shape Q’ty Operating manual Name and Shape Q’ty Remote controller holder 1 1 This INSTALLATION MANUAL briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning. 3.1.
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3.3. Operating range COOL/DRY mode HEAT mode Indoor temperature 64 to 90°F (18 to 32°C) 60 to 88°F (16 to 30°C) Indoor humidity 80% or less — 4. ELECTRICAL REQUIREMENT The indoor unit is powered from the outdoor unit or branch box. Do not power indoor unit from separate power source. WARNING • Refer to local codes for acceptable cable type. Cable Cable size Connection cable 14AWG Remarks 3 cable + Earth (Ground), 1 Ø 115V Max. Cable Length: Limit voltage drop to less than 2%.
PAGE 6
.3. Cutting the hole in the wall for the connecting piping (1) Cut a 65 mm (2-9/16 in.) diameter hole in the wall at the position shown in the following. (2) Cut the hole so that the outside end is lower (5 to 10 mm (3/16 to 13/32 in.)) than the inside end. (3) Always align the center of the wall hole. If misaligned, water leakage will occur. (4) Cut the wall pipe to match the wall thickness, stick it into the wall cap, fasten the cap with vinyl tape, and stick the pipe through the hole.
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[Installing the indoor unit] Installation method of Drain cap • Use a hexagonal wrench 4 No gap mm (5/32 in.) at opposite side Hexagonal to insert the drain cap, till the wrench drain cap contacts the tip of drain cock. • Drain cock Drain cap Hang the indoor unit from the hooks at the top of the wall hook bracket. Insert the spacer, etc. between the indoor unit and the wall hook bracket and separate the bottom of the indoor unit from the wall.
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Pipe outside diameter [mm (in.)] Dimension A [mm (in.)] Flare tool for R410A, clutch type Dimension B [mm (in.)] 6.35 (1/4) 9.52 (3/8) 0 to 0.5 (0 to 0.020) 9.1 (11/32) 13.2 (17/32) When using conventional flare tools to flare R410A pipes, the dimension A should be approximately 0.5 mm (0.020 in.) more than indicated in the table (for flaring with R410A flare tools) to achieve the specified flaring. Use a thickness gauge to measure the dimension A. Width across flats Pipe outside diameter [mm (in.
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To connect the indoor unit wires to the terminal correctly, refer to the figure for proper length. 7. ELECTRICAL WIRING 14AWG 7.1. Wiring system diagram 25 mm (1-13/32 in.) WARNING • Every wire must be connected firmly. • No wire should be allowed to touch refrigerant tubing, the compressor or any moving part. • Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also exist. Therefore, be sure all wiring is tightly connected.
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(6) See the table below for the terminal screw tightening torques. Wire cover Tightening torque [N·m (lbf·in)] Cable clamp M4 screw Screw Connection cable 1.2 to 1.8 (11 to 16) CAUTION • Match the terminal block numbers and connection cable colors with those of the outdoor unit or branch box. Erroneous wiring may cause burning of the electric parts. • Connect the connection cables firmly to the terminal block. Imperfect installation may cause a fire.
PAGE 11
For connection from the left rear 8. FINISHING Connection cable Wall pipe (1) Insulate between pipes. • For rear, right, and bottom piping, overlap the connection pipe insulation and indoor unit pipe insulation and bind them with vinyl tape so that there is no gap. • For left and left rear piping, butt the connection pipe insulation and indoor unit pipe insulation together and bind them with and vinyl tape so that there is no gap.
PAGE 12
Front panel installation (1) Firstly, fit the lower part of the front panel, and insert top and bottom hooks. ( 3 top sides, 6 bottom sides) 11. REMOTE CONTROLLER INSTALLATION Top hooks Top holes CAUTION Bottom holes Indoor unit Front panel Bottom hooks (2) Three screws is attached. (3) The wire cover is attached. (4) The intake grille is attached. CAUTION  Install the Front panel and Intake grille securely.
PAGE 13
] 12. FUNCTION SETTING The air conditioner signal code is set to prior to shipment. Contact your retailer to change the signal code. 12.1. INDOOR UNIT (Setting by remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunction. • After the power is turned on, perform the “FUNCTION SETTING” according to the installation conditions using the remote controller.
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1) Filter sign 4) Auto restart The indoor unit has a sign to inform the user that it is time to clean the filter. Select the time setting for the filter sign display interval in the table below according to the amount of dust or debris in the room. If you do not wish the filter sign to be displayed, select the setting value for “No indication”. Enable or disable automatic system restart after a power outage. (... Factory setting) Setting description (...
PAGE 15
13. ERROR CODES If you use a wireless remote controller, the lamp on the photo detector unit will output error codes by way of blinking patterns. See the lamp blinking patterns in the table. An error display is displayed only during operation.
PAGE 16
14. CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other remote control unit operations. (2) Air filter removal and cleaning, and how to use the air louvers. (3) Give the operating manual to the customer. En-16 9332622027_IM.