INSTALLATION MANUAL
Contents
1. OPERATION CHECK A DANGER ELECTRIC SHOCK Close the switch box service panel and the unit front panel before turning the unit power ON You may receive an elec tric shock when you come in contact with electric parts On completion of installation turn the unit power ON and make sure that pressures are displayed normally When two rows of numbers appear on the display the product is working normal Refer to Troubleshooting on page 3 and take necessary corrective actions in case one of the following symptoms occur If the trouble does not fall under any of the symptoms described contact your Daikin dealer Troubleshooting Display symptom 1 Display symptom 2 Display symptom 3 Symptom 1 No LEDs are lit or blinking POSSIBLE CAUSES Power supply is not provided to the unit CORRECTIVE ACTION Provide power supply to the unit The connector of the power supply line is unplugged The power supply line is disconnected or damaged Insert the connector of the power supply line Replace the power supply line Symptom 2 All LEDs are blinking POSSIBLE CAUSES CORRECTIVE ACTION The connector of the communications line is unplugged Plug in the connector of the communications line The communications line is disconnected or damaged Replace the communications line The kit is not compatible with the unit Check with a catalog or technical2. DAIKIN INSTALLATION MANUAL Digital pressure gauge kit BHGP26A 1 DAIKIN BHGP26A1 Digital pressure gauge kit Installation manual CONTENTS Page INSTALLATION Accessories nn E 1 HEG e Me NENNE GR ee ad Ge eg AR 1 DANGER ELECTRICAL SHOCK Work procedure EA 1 Switch off all power supply before removing the switch box Operation check A ee EEE GO BEIN t TA 3 service panel or before making any connections or Troubleshooting ee 3 touching electrical parts READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A Do not touch any switch with wet fingers Touching a switch with wet fingers can cause electrical shock Before touching electrical parts turn off all applicable power supply To avoid electric shock be sure to disconnect the power supply 1 minute or more before servicing the electrical parts Even after 1 minute always measure the voltage at the terminals of main circuit capacitors or electrical parts and before touching be sure that those voltages are 50 V DC or less When service panels are removed live parts can easily be PROFESSIONAL IF UNSURE OF INSTALLA
3. M Before performing installation work check with a k 0 Bana catalog or technical data sheet if the kit is compatible o with the unit 3 Digital pressure gauge assembly 4 Communications line blue connector 5 Power supply line white connector 6 Ground wire Installation manual DAIKIN BHGP26A1 4 Digital pressure gauge kit 4PW70083 1 05 2011 5 Refer to the figure below and secure the ground wire to the 8 Mount the service panel of the switch box switch box with the M4x12 screw Refer to detail B for the screwing position 9 Punch out the knock out hole of 70 mm on the front panel 6 Refer to the figure below and connect the power supply line and the communications line of the digital pressure gauge assembly to the control PCB A1P in the electrical box M Connect the power supply line white connector to X77A B Connect the communications line blue connector to X27A Wire the communications line behind the digital pressure gauge assembly as shown in to detail A 1 Punch outthe knock out hole on the left hand side 7 After connecting the power supply line communications line and ground wire secure the wiring path according to the figure below 10 Attach the resin bush to the knock out hole on the front panel using the clamps delivered with the kit 11 Mount the front panel Figure Connecting the wiring 12 Perform the operation checks as explained in Operation check on page 3 13 For ease of positioning
4. TION PROCEDURES OR USE touched by accident Never leave the unit unattended during installation or servicing when the service panel is ALWAYS CONTACT YOUR DAIKIN DEALER FOR removed ADVICE AND INFORMATION Work procedure The English text is the original instruction Other languages are translations of the original instructions ACCESSORIES Refer to the manual of the unit and execute the following steps 1 Turn OFF the power of the unit 2 Remove the front panel of the outdoor module s In case of EWAQ EWYQ016 021 or 040 remove panels 4 and 5 in case of EWAQ EWYQ025 032 050 or 064 remove only panel 5 Check if the following accessories are included in the kit before starting the installation EN bl ole Yo ue Resin bush Small clamp Large clamp Screw M5x12 Screw M4x12 Gauge window labels 8 Installation manual 4 2 3 4 5 6 7 Tools required for installation Philips screwdriver and nippers ST Digital pressure gauge assembly 3 Remove the switch box service panel 4 Refer to the figure below and mount the digital pressure gauge assembly to the panel on the right hand side Use the two M5x12 screws delivered with the kit Also refer to Figure Connecting the wiring on page 2 A CAUTION M The kit contains accessories required for installation Do not dispose of these accessories until the product is properly installed
5. data sheet if the kit is compatible with the unit If the kit is not compatible this kit can not be used Symptom 3 The bottom half of the LEDs are blinking POSSIBLE CAUSES CORRECTIVE ACTION The unit has a defect Refer to the service guide and cure the problem There is a high voltage line generating noise around the communications line Noise may be imposed on the communications line Separate the high voltage line Installation manual 3 DAIKIN BHGP26A1 Digital pressure gauge kit 4PW70083 1 05 2011 4PW70083 1 00000005 Copyright 2011 Daikin DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4PW70083 1 05 2011
6. the gauge window labels wait until the display is clearly visable during a normal operation Stick the gauge window labels on the front panel according to the figure below 1 5 DISCHARGE ISS SUCTION 6 Resin bush Discharge pressure display Suction pressure display Gauge window label MPa Gauge window label DISCHARGE Gauge window label SUCTION REN 1 Digital pressure gauge assembly 2 Power supply line 3 Ground wire 4 Communications line 5 On site ground terminal 6 Bundle the redundant length portion with a small clamp so that both the power supply line and the ground wire do not come in contact with the conduit 7 Bind the power supply line and ground wire with a small clamp to the line that is connected to the outdoor module 8 Insert the power supply line into the 2 wire clips together with the line that is connected to the outdoor module 9 Bind the power supply line with a small clamp to the line that is connected to the outdoor module 10 Bind the internal wires with the large clamp so that the wires do not come in contact with the thermistor 11 Bind the communication line with 3 small clamps to the line that is connected to the outdoor module 12 Insert the communications line into a wire clip thogether with the line that is connected to the outdoor module 13 Be sure never to tense the wire 14 Thermistor BHGP26A1 DAIKIN Installation manual Digital pressure gauge kit 2 4PW70083 1 05 2011
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