INSTALLATION MANUAL System air conditioner Installation manual English VRVW System air conditioner Installationsanweisung Deutsch VRVW System Klimaanlage Manuel d’installation Français Conditionneur d’air VRVW System Manual de instalación Español Acondicionador de aire con sistema VRVW Manuale di installazione Italiano Condizionatore d’aria a sistema VRVW RWEYQ8PY1 Εγχειρßδιο...
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A 1 P F 1 F 2 F 1 F 2 Q 1 Q 2 A B C F1 F2 F1 F2 Q1 Q2 Q1 Q2 Q1 Q2 figure 11 figure 12 OUT-OUT OUT-OUT OUT-OUT LOW NOISE F1 F2 F1 F2 F1 F2 F1 F2 figure 13...
RWEYQ8PY1 RWEYQ18PY1 RWEYQ26PY1 VRVWIII System air conditioner Installation manual RWEYQ10PY1 RWEYQ20PY1 RWEYQ28PY1 RWEYQ16PY1 RWEYQ24PY1 RWEYQ30PY1 The filled out label must be adhered in the proximity of the product CONTENTS charging port (e.g. onto the inside of the service cover). 1. SAFETY PRECAUTIONS ............1 factory refrigerant charge 2.
A high surge current from lightning or other sources may cause and used for cooling and heatpump applications. damage to the air conditioner. The RWEYQ-P units can be combined with Daikin VRV series indoor • Be sure to install an earth leakage breaker. units for air conditioning purposes.
2-2 Standard operation limit 2-4 Option accessory The figures below assume following operating conditions for indoor To install the above outside units, the following optional parts are also and outside units: required. Equivalent pipe length .............7.5m • Refrigerant branching kit Level difference ..............0m (For R410A only: Always use an appropriate kit dedicated for your Cooling...
3. Remote controller WATER PIPING WORK 4. Cool/heat selector • The water pressure resistance of water piping of this outside unit 5. Personal computer or radio is 1.96 MPa. If the electric wave of AM broadcasting is particularly weak, keep •...
7-4 Water quality Carry out complete cooling/thermal insulation of water piping and outdoor dehumidification. If complete cooling or thermal insula- Water quality standards for chilled water, hot water and make-up tion has not been carried out, any damage may be caused during water (4) (6) severe winter due to freezing, in addition to thermal loss.
8-2 Power circuit and cable requirements Because the plate type heat exchanger has a structure which does not permit disassembling and cleaning, follow the following A power circuit (see table below) must be provided for connection of procedures for cleaning: the unit.
8-4 Examples [Setting the interlock circuit and pump operation output.] System example (Refer to figure 8) 〈Pump operation output [high voltage]〉 1. Field power supply 2. Main switch • Use insulated wires of the size as mentioned below having rated 3.
• The wiring to the indoor units must be connected to the F1/F2 When none are available, follow the instructions below. (To IN/D UNIT) terminals on the PC board in the outside unit. • Do not connect wiring of different size to the power terminal block.
REFRIGERANT PIPING The outside unit multi connection piping kit that is sold separately as an option (BHFP22MA56·84, BHFP26MA56·84) is necessary for the multi installation of outside units. See the installation man- Caution ual attached to the kit with attention to the following restrictions After completing installation, be sure to open the valve.
The gas piping (both discharge and suction gas pipings in case of Not recommendable but in case of emergency the heat recovery system) after branched, install without fail a trap You must use a torque wrench but if you are obliged to install the unit of 200 mm or larger using the piping included in the piping kit for without a torque wrench, you may follow the installation method men- connecting the outside unit.
9-5 Example of connection ∗ Below table is mentioned about the case of heat recovery sytem (3-piping: suction gas, HP/LP gas and liquid pipes). In case of heat pump system (2-piping: gas and liquid pipes), select the pipe size from suction gas pipe for gas pipes and from liquid gas pipe for liquid pipes. And BS unit is not required.
9-6 Air tight test and vacuum drying 9-9 Additional refrigerant charge The units were checked for leaks by the manufacturer. Caution Confirm that the valves are firmly closed before Air tight test or vac- uum drying. • Refrigerant cannot be charged until field wiring has been com- To prevent entry of any impurities and insure sufficient pressure pleted.
Additional refrigerant charge procedure (2)-by Additional refrig- (Refer to figure 26) erant charge operation 1. Remove the cap and turn the valve counter clocwise with About the system settings for additional refrigerant charge operation, the hexagon wrenches until it stops. refer to the [Service Precaution] label attached on the electric box 2.
Remote controller displays malfunction code Always carry out the setting only after the (7) • Using the push button switches (BS1 - power supply has been applied. Malfunc- 5) on the P-panel (A1P) of outside unit, Installation error Remedial action For the method of setting, refer to the label of carry out a local setting, if necessary.
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