Daikin R410A Split Series Installation Manual
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- Service manual (381 pages) ,
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Summary of Contents for Daikin R410A Split Series
- Page 1 DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R410A Split Series Installation manual Manuel dinstallation Manuel dinstallation Manual de instalación MODELS CDMQ07WVJU9 FDMQ09WVJU9 FDMQ12WVJU9 FDMQ15WVJU9 FDMQ18WVJU9 FDMQ24WVJU9...
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Page 2: Table Of Contents
Contents 8. Drain piping work ............8 Safety Considerations ........1 9. Wiring ................11 Before Installation .......... 3 10. Duct work ..............15 Accessories ............. 3 Refrigerant Piping Work ......... 16 Choosing an Installation Site ......4 1. Flaring the pipe end ............. 16 Indoor Unit Installation ........ - Page 3 Daikin are used, fire or explosion may occur. • Do not install the air conditioner or heat pump in the • Do not use means to accelerate the defrosting process (if...
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Page 4: Before Installation
Before Installation • Leave the unit inside its packaging until you reach the installation site. Where unpacking is unavoidable, use a sling of soft material or protective plates together with a rope when lifting, this to avoid damage or scratches to the unit. When unpacking the unit or when moving the unit after unpacking, be sure to lift the unit by holding on to the hanger bracket without exerting any pressure on other parts, especially on refrigerant piping, drain piping and other resin parts. -
Page 5: Choosing An Installation Site
Choosing an Installation Site Hold the unit by the 4 hanger brackets when opening the box and moving it, and do not exert pressure on to any other part, piping (refrigerant, drain, etc.), and air outlet flange. If the temperature or humidity inside the ceiling might rise above 86°F (30°C) or RH 80%, respectively, add extra insulation to the unit. -
Page 6: Indoor Unit Installation
Indoor Unit Installation Check the relation of location between the ceiling opening and the indoor unit suspension bolts. (unit: inch (mm)) Provide one of the following service spaces for the maintenance and inspection of the electrical wiring box and drain pump or for other services. -
Page 7: Mount Canvas Ducts, Sound Absorbing Material And Anti-Vibration Rubber
Mount canvas ducts, sound absorbing material and anti-vibration rubber. • Mount canvas ducts to the air outlet and inlet so that the vibration of the indoor unit will not be transmitted to the ducts or ceiling. Furthermore, attach sound absorbing material (thermal insulation material) to the duct inner walls and anti-vibration rubber to the suspension bolts (refer to “10. -
Page 8: Installing The Indoor Unit
As for the parts to be used for installation work, be sure to use the provided accessories and specified parts designated by Daikin. 1) Install the indoor unit temporarily. -
Page 9: Drain Piping Work
Drain piping work CAUTION • Water pooling in the drainage piping can cause the drain to clog. • Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger. - Page 10 Indoor Unit Installation Precautions for drain raising piping • The maximum height of the drain riser is 29-9/16 inch (675mm). Since the drain pump mounted on this indoor unit is a high head type, from the characteristic point of view, the higher the drain riser the lower the draining noise. Therefore, the drain riser of 11-13/16 inch (300mm) or higher is recommended.
- Page 11 When electric wiring work is not finished • The electric wiring works (including grounding) must be carried out by a qualified electrician. • If a qualified person is not present, after the electric wiring work is finished, check the drainage accord ing to the method specified in [When the electric wiring work is finished].
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Page 12: Wiring
Indoor Unit Installation Wiring 1. General instructions • Make certain that all electric wiring work is carried out by qualified personnel according to the applicable legislation and this installation manual, using a separate dedicated circuit. Insufficient capacity of the power supply circuit or improper electrical construction may lead to electric shock or a fire. •... - Page 13 3. Specification for field wire Wire Size Length Recommend stranded and shielded. Wiring between units AWG 14 – Local code supersedes recommendation. Remote controller wiring Sheathed (2 wire) AWG 18 - 16 Max. 1640ft (500m)* Recommend stranded and shielded. Wiring to ground terminal –...
- Page 14 Indoor Unit Installation 2) Attach the conduit to the M conduit mounting Conduit mounting plate plate. Conduit (field supply) Lock nut (field supply) • Attach the K wire sealing pad (small) Wire sealing pad (small) to the conduit, the wiring between Conduit mounting plate the indoor and outdoor units, and the ground wiring.
- Page 15 4) Follow the instructions below and perform wiring in the electrical wiring box. Power supply terminals (X1M) Using AWG14 stranded and insulated wire for connections between indoor and outdoor units is recommended. Local codes always Terminal block (X1M) for wiring between supersede recommendations.
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Page 16: Duct Work
Indoor Unit Installation Duct work Pay the utmost attention to the following items and conduct the duct work. • Check that the duct is not in excess of the setting range of external static pressure for the unit. (Refer to the technical datasheet for the setting range.) •... -
Page 17: Refrigerant Piping Work
Refrigerant Piping Work Refer also to the installation manual for the outdoor unit. WARNING • Do not apply mineral oil on flared part. • Prevent mineral oil from getting into the system as this would reduce the service life of the units. •... - Page 18 Refrigerant Piping Work Cautions on piping handling • Protect the open end of the pipe from dust and moisture. Be sure to Wall place a cap. • All pipe bends should be as gentle as possible. Use a pipe bender for bending.
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Page 19: Field Settings
Field Settings CAUTION Before carrying out field setting, check the items mentioned in “2. Test items” (page 21). • Check if all the installation and piping works for the air conditioner are completed. • Check that the outside panel and piping cover of the indoor and outdoor units are closed. After turning on the power supply, carry out field setting from the remote controller according to the installation state. -
Page 20: Setting For Options
Field Settings CAUTION • If airflow pathway changes, such as duct and air outlet changes, are made after air volume adjustments, be sure to make “Air volume automatic adjustment” again. • If airflow pathway changes, such as duct and air outlet changes, are made after “Trial Operation and Testing” (page 20) or air conditioner relocation, contact your dealer. -
Page 21: Trial Operation And Testing
Trial Operation and Testing After finishing the construction of refrigerant piping, drain piping, and electric wiring, conduct trial operation accordingly to protect the unit. Trial operation and testing CAUTION After test operation is completed, check the items mentioned “Items to be checked at time of delivery” (page 22). If the interior finish work is not completed when the test operation is finished, for protection of the air conditioner, ask the user not operate the air conditioner until the interior finish work is completed. -
Page 22: Test Items
Trial Operation and Testing For wireless remote controller MODE 1) Press and select the COOL or HEAT operation. /TEST 2) Press twice. “Test” is displayed. ON OFF 3) Press within 10 seconds, and the test operation starts. Monitor the operation of the indoor unit for a minimum of 10 minutes. During test operation, the indoor unit will continue to cool/heat regardless of the temperature setpoint and room temperature. - Page 23 Items to be checked at time of delivery Also review the “Precautions” (page 3) Test items Check The electrical wiring box cover and air filter are attached. I explained about operations while showing the operation manual to the user. Field setting has been carried out. (if necessary) It has been confirmed that the cool air discharges during the COOL operation and the warm air discharges during the HEAT operation.
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Page 24: How To Diagnose For Malfunction
Trial Operation and Testing How to diagnose for malfunction • If the air conditioner does not operate normally after installing the air conditioner, a malfunction shown in the table below may happen. Wired remote controller display Description • Power outage, power voltage error or open-phase •... - Page 25 Malfunction Descriptions and measures Remarks code Transmission error between indoor Printed Circuit Board (Master) and indoor Printed Circuit Board (Slave) Indoor heat exchanger liquid pipe temperature sensor malfunction Abnormal stop is applied depending on the model or condition. Indoor heat exchanger condenser / evaporator temperature sensor Abnormal stop is applied depending on the model or condition.
- Page 26 The two-dimensional bar code is a manufacturing code. 3P674701-1B M21B355A (2206) HT...