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Summary of Contents for Daikin ERQ100A7V1B
- Page 1 INSTALLATION MANUAL Inverter condensing unit ERQ100A7V1B ERQ125A7V1B ERQ140A7V1B...
- Page 2 (mm) ≥100 ≥100 ≥100 ≥100 ≥100 ≤500 ≥1000 ≥150 ≥150 ≥150 ≤500 ≥1000 B 2 B 2 ≥500 ≤500 ≥500 ≥1000 D 2 D 2 D 2 D 2 ≥100 ≥500 L2>H ≥100 ≥500 L2<H L 1 L 1 0<L1≤ 1 / 2 H ≥750 ≥250 ≤500...
- Page 3 3PW40544-4B...
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Page 4: Table Of Contents
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR 3. Before installation ..............3 OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY 3.1. Precautions for R410A ..............3 TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE 3.2. Installation ..................3 SPECIFICALLY DESIGNED FOR USE WITH THE 3.3. -
Page 5: Introduction
field supply and are to be selected by the installer. shocks or fire. Refer to the manual "Option kit for combination of Daikin Install drain piping according to this installation manual to condensing units with field supplied evaporators" for more ensure good drainage, and insulate the pipe to prevent details. -
Page 6: Standard Supplied Accessories
2.2. Standard supplied accessories 3.3. Handling As shown in the figure, bring the unit slowly by grabbing the left and right grips. Gas line piping (1) + copper gasket Gas line piping (2)(*) Gas line piping (3)(*) Installation manual Operation manual Place your hands on the corner instead of holding the suction inlet in the side of the casing, otherwise the casing could be deformed. -
Page 7: Precautions On Installation
Turn the air outlet side toward the building’s wall, fence or The equipment described in this manual may cause screen. electronic noise generated from radio-frequency energy. The equipment complies to specifications that are designed to provide reasonable protection against such interference. -
Page 8: Installation Method For Prevention Of Falling Over
5.1. Installation method for prevention of falling over Connect a field supplied vinyl hose (internal diameter of 25 mm) to the drain socket (A). If it is necessary to prevent the unit from falling over, install as shown If the hose is too long and hangs down, fix it carefully to prevent in the figure. -
Page 9: Refrigerant Pipe Size And Allowable Pipe Length
7.1. Selection of piping material NOTE Do not stack more than one unit. Foreign materials inside pipes (including oils for fabrication) About 100 mm is required as the dimension must be ≤30 mg/10 m. for laying the upper outdoor unit’s drain pipe. Construction material: phosphoric acid deoxidized seamless Get the portion A sealed so that air from the copper for refrigerant. -
Page 10: Cautions For Brazing
8.1. Cautions for brazing NOTE You must use a torque wrench but if you are obliged to Be sure to carry out a nitrogen blow when brazing. install the unit without a torque wrench, you may follow Brazing without carrying out nitrogen replacement or releasing the installation method mentioned below. -
Page 11: Preventing Foreign Objects From Entering
For ERQ140 only For cooling operation under low ambient temperature or any other operation under low pressure, apply silicon pad or similar The size of the gas side stop valve is Ø15.9 while the inter-unit piping to prevent freezing of the gas stop valve flare nut (see figure). is Ø19.1. -
Page 12: Precautions When Connecting Field Piping And Regarding Insulation
9.6. Precautions when connecting field piping and 9.7. Leak test and vacuum drying regarding insulation The units were checked for leaks by the manufacturer. Be careful not to let the air handling and outdoor branch piping figure 6 and refer to "Additional refrigerant charge"... -
Page 13: Important Information Regarding The Refrigerant Used
figure Precautions when adding R410A Be sure to charge the specified amount of refrigerant in liquid state to Pressure reducing valve the liquid pipe. Nitrogen Since this refrigerant is a mixed refrigerant, adding it in gas form may Tank cause the refrigerant composition to change, preventing normal Siphon system operation. -
Page 14: Procedures For Adding Refrigerant
10.2. 2 procedures for adding refrigerant Procedure 2: Charging while the outdoor unit is operating How to connect the tank? See the figure in "How to connect the tank?" on page Completely open the gas side stop valve and liquid side stop valve. -
Page 15: Precautions On Electrical Wiring Work
WHT ...... White Y2S ......Solenoid valve (hot gas) YLW ....... Yellow Y3S ......Solenoid valve (unload circuit) ORG ...... Orange Z1C~Z8C ....Noise filter (ferrite core) BLK......Black Z1F~Z4F ....Noise filter A1P......Printed circuit board (main) A2P......Printed circuit board (inverter) Cool/heat selector A3P...... -
Page 16: Connection Example Of Total System Wiring
11.3. Connection example of total system wiring Use a power wire pipe for the power wiring. (See figure 8) Outside the unit, make sure the low voltage electric wiring (i.e. for the remote control, between units, etc.) Power and the high voltage electric wiring do not pass near Earth leakage breaker each other, keeping them at least 50 mm apart. - Page 17 Setting the cool/heat operation Precautions when laying power wiring Use round pressure terminals for connections to the power Performing cool/heat setting with the remote controller terminal block. connected to the control box. Keep the cool/heat selector switch (DS1-1) on the outdoor unit When none are available, follow the instructions below.
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Page 18: Before Operation
12. B 12.2. Checks before initial start-up EFORE OPERATION NOTE Note that during the first running period of the unit, 12.1. Service precautions required power input may be higher than stated on the nameplate of the unit. This phenomenon originates from the compressor that needs elapse of a 50 hours run in period before reaching smooth operation and WARNING: ELECTRIC SHOCK... - Page 19 Location of the DIP switches, leds and buttons Setting mode 1 The H1P led is off (COOL/HEAT selection setting). Led H1P~H8P Push button switches BS1~BS5 Setting procedure DIP switches 2 (DS1-1, DS1-2) Push the button and adjust the led indication to either BS2 SET one of the possible settings as shown below in the field marked In case of COOL/HEAT setting by each individual outdoor unit...
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Page 20: Test Operation
12.4. Test operation 3.3 Possible settings for function D and E For function D ( ) only: the noise of level 3< L.N.O.P level 2< level 1 ( NOTE After turning on the power supply, the unit can not For function E ( ) only: the power consumption of DEMAND be started until the H2P initialisation led goes off... -
Page 21: Checks In Normal Operation
12.6. Temperature adjustment operation confirmation Measure to be taken when operation finishes abnormally 1. Confirm the error code on the remote controller. After the test run is over, operate the unit normally. (Heating is not 2. Correct what is abnormal. possible if the outdoor temperature is 24°C or higher.) (See the installation manual and operation manual or Make sure the air handling and outdoor units are operating... -
Page 22: Caution For Refrigerant Leaks
14. C AUTION FOR REFRIGERANT LEAKS Calculate the smallest room volume (m In a case such as the following, calculate the volume of (A), (B) as a single room or as the smallest room. (Points to note in connection with refrigerant leaks.) Where there are no smaller room divisions 14.1. - Page 23 C/H SELECTOR 230 V TO IN/D UNIT TO OUT/D UNIT 16 V A B C TO IN/D TO OUT/D UNIT UNIT DS1 1 F1 F2 A B C DS1 1 A B C...
- Page 24 4PW51321-1...
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