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Order No. SBPAC1805002CE
GHP & EHP Hybrid
Air Conditioner
Test Run Manual
2018
Applicable Models
U-20GES3E5
U- 0MES2E8
Reference No. GTR-1805-02A

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Table of Contents
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Summary of Contents for Panasonic GHP

  • Page 1 Order No. SBPAC1805002CE GHP & EHP Hybrid Air Conditioner Test Run Manual 2018 Applicable Models U-20GES3E5 U- 0MES2E8 Reference No. GTR-1805-02A...
  • Page 2: Table Of Contents

    7. Setting the Number of Connected Indoor/Outdoor Units in the GHP outdoor unit ....Ⅱ- 8 8. Setting the System Address and Outdoor Unit Address in the GHP outdoor unit ....Ⅱ- 9 9. Settings for the unit number setting, number of outdoor units, number of indoor units, and system addresses on the U-10MES2E8 ......Ⅱ-10...
  • Page 3: Tools And Measuring Equipment

    ●Tools and measuring equipment Item Specification Q’ty Notes Driver ( + ) S, M, L ( - ) M 1 each Monkey wrench 150mm/200mm/250mm 1 each Spanner 1 set Appropriate Leak detection liquid quantity Step ladder Socket wrench 1 set Appropriate For wiping the leak detection Cloth...
  • Page 4: Checking Installation Work

     If there is a problem with the installation work, make a request through the sales representative that the problem be remedied and measures be taken.  Write the necessary information in the “GHP Test Run Checklist (2WAY Multi/W Multi). (Refer to the appendix.) (2) Outdoor unit check ...
  • Page 5 (3) Safety check  Insulation resistance check Perform the following procedure to check the insulation up until the unit power terminal block.  Turn off the main power supply of the indoor and outdoor units.  Turn off the power switch in the terminal box of the outdoor unit. ...
  • Page 6 ● Device ground check Is earth ground securely obtained? ● If an error is found in the wiring connections, the following check procedure allows you to quickly identify the location of the error. When performing the check procedure, it is convenient if you have a drawing showing the lay- out of devices and wiring routes to refer to.
  • Page 7 Ⅰ-4...
  • Page 8 • Precautions 1) To avoid incorrect operation, do not run the signal cable together with the power line cable. 2) Keep the separation distance of 50 mm or more from the power line cable for Panasonic air conditioning equipment. 3) Keep the separation distance at 300 mm or more from other power line cables.
  • Page 9 • Cautions To avoid incorrect operation, do not run the signal cable together with the power line cable. ii) Keep the separation distance of 50 mm or more from the power line cable for Panasonic air conditioning equipment. iii) Keep the separation distance at 300 mm or more from other power line cables.
  • Page 10  Control wire * Indoor/outdoor control wire connection example  Bus system (can be branched to max 16 location). Outdoor link is basic. (Figure 5) Outdoor unit Controller Indoor unit Indoor unit Indoor unit Outdoor unit Remote controller At least 2 m Indoor unit Indoor unit Indoor unit...
  • Page 11  Wiring without branching (Figure 7) Column: Part of indoor wiring branches. Outdoor unit * If this portion is 1 m or less, it is not considered a branch. Controller Indoor unit Indoor unit Indoor unit Outdoor unit Remote controller Indoor unit Indoor unit Indoor unit...
  • Page 12  Loop wiring is prohibited. (Figure 10) Example: As shown in the figure, do not have wiring where part of it is looped or the entire wiring is looped. Outdoor unit Controller Indoor unit Indoor unit Indoor unit Outdoor unit Remote controller Indoor unit Indoor unit...
  • Page 13: Ⅱ. Preparations And Test Run Procedures Important

    Ⅱ. Preparations and Test Run Procedures IMPORTANT! SPECIAL PRECAUTIONS Read Before Starting When Wiring WARNING This air conditioning system meets strict safety and operating standard. As the installer or service person, it is an important part of your job to install or service the ELECTRICAL SHOCK CAN system so it operates safely and efficiently.
  • Page 14: Safety Precautions

    When Transporting When Connecting Refrigerant Tubing Be careful when picking up and moving • Use the flare method for connecting the indoor and outdoor units. Get a tubing. partner to help, and bend your knees • Apply refrigerant lubricant to the when lifting to reduce strain on your back.
  • Page 15: Precautions

    • Check the following before performing a test run. WARNING Ensure that tube connections are securely attached, and that • there are no leaks. Ensure that shut-off valves (service valves) are open. • If a compressor is run while a shut-off valve (service valve) is closed, the pressure will become abnormally high and there is a risk of damage to the parts of the compressor, etc.
  • Page 16 GHP outdoor unit control board 2-1. Display and settings using the keys  Essentially all display and setting operations can be completed using the UP, DOWN, and SET keys.  Information is displayed with a 6-digit, 7-segment LED.  Pressing the HOME key at any time returns to normal display.
  • Page 17 U-20GES3E5 outdoor unit control board VG (gas closing valve force-closing) switch HOME key STOP UP key (collective stop) DOWN key switch HOME DOWN SET key Terminating resistor Yes/No switch N/P switch connector Fig. 1 U-10MES2E8 outdoor unit control board CN33 CN34 LED1 LED2 JP11 JP12...
  • Page 18: Setting The Fuel Gas Type (If Band P (Lpg) Is Used)

    (4) After making the setting, use an ink pen or other tool to make a mark so that the original setting position of the lever is known. 4. . Checking the Date and Time in the GHP outdoor unit  Checking (1) Select the (date display) menu item to display the current date.
  • Page 19: Checking The Initial Settings In The Ghp Outdoor Unit

    (4) Press the HOME key to end the setting process. * Depending on the connected system and control device, the date and time may be set automatically. 5. . Checking the Initial Settings in the GHP outdoor unit (1) Select the...
  • Page 20: Checking And Setting The Fuel Gas Type In The Ghp Outdoor Unit

    7. . Setting the Number of Connected Indoor/Outdoor Units in the GHP outdoor unit * Set the number of connected indoor/outdoor units on the GHP outdoor unit control board. * When setting the number of indoor/outdoor units connected, count only units connected within the same refrigerant tubin system.
  • Page 21: Setting The System Address And Outdoor Unit Address In The Ghp Outdoor Unit

    (5) Press and hold the SET key for 1 second. (TEST/WARNING turns off.) (6) Press the HOME key to end the setting process. 8. . Setting the System Address and Outdoor Unit Address in the GHP outdoor unit * Set the addresses on the GHP outdoor unit control board.
  • Page 22: Settings For The Unit Number Setting, Number Of Outdoor Units, Number Of Indoor Units

     Setting the system addresses Set the same system address as the GHP outdoor unit that is on the same refrigerant system. Use the system address switch SW2 (a 2P DIP switch) and system address SW1 (a Rotary switch BLK) to set system addresses.
  • Page 23: Setting Terminator Status

    10. 0. Setting Terminator Status  The terminating resistance of the indoor/outdoor operation lines should have 1 location set to “with resistance” [SHORT] if there is 1 refrigerant system. If there are 2 or more refrigerant systems, set 2 locations to “with resistance” [SHORT]. If 2 locations are set to “with resistance”, set the 2 terminating resistances for the outdoor unit nearest to the central control device, and for the one furthest away, to “with resistance”...
  • Page 24: Items To Check Before The Test Run

    90° to the left (counterclockwise). The valve is fully open when it reaches the stopper position. Do not attempt to force it past that point. Note that the orientation of the tabs on the shut-off valves of the GHP outdoor unit for the gas and liquid tubes is 90°...
  • Page 25: Checking Refrigerant Tubing And Control Cable Connections Between Indoor/Outdoor Units

     The method for setting the addresses differs depending on indoor unit wiring configurations for the control cables and power cables.  The indoor unit addresses can be set automatically using the control board of the GHP outdoor unit with the smallest address.
  • Page 26 If the indoor/outdoor control cables are connected to other W Multi units or Basic wiring diagram: Case 2 3WAY Multi outdoor units (linked wiring)  Make sure the outdoor units are operating.  Perform the procedure for automatic address setting using the outdoor unit with the smallest address. (See the sections on automatic address setting below.) System 1 System 2 (W Multi)
  • Page 27 * The status of automatic address setting is displayed as follows. Example: (ready to start automatic address setting) The meanings for the last digits displayed are as follows. : Ready to start automatic address setting : Waiting for indoor unit automatic address preparation : Engine running : Checking indoor units : Setting addresses...
  • Page 28: Test Run Settings

     With the forced cool test run setting selected, press and hold the SET key for 1 second to perform a forced cool test run. When using (GHP priority) or (EHP priority), the prioritized outdoor unit operates, but the other unit may also operate in some cases.
  • Page 29 Forced bypass valve closing (Use when performing pump-down.)  With the forced bypass valve closing setting selected, press and hold the SET key for 1 second to close the bypass valve all the way. During this time, the setting in progress indicator lights. Automatic air-bleeding mode (Used for the cooling water system, air bleeding and so on.) ...
  • Page 30: Diagnostic Self-Check List (Ghp)

    15. 5. Diagnostic Self-Check List (GHP) Table 7 System A (activation of engine system operation devices) Outdoor unit control Outdoor unit control Contents Contents board display board display Operation is normal Starter locked Engine oil pressure trouble CT trouble (starter current detection failure) Cooling water temp.
  • Page 31 Contents board display board display Mismatch of indoor/outdoor unit types Indoor unit capacity not set (Non-GHP device present) Outdoor unit capacity not set Multiple master units set for group control Indoor unit type setting failure Duplicate system address settings Indoor unit pairing trouble...
  • Page 32: Diagnostic Self-Check List (U-10Mes2E8)

    16. 6. Diagnostic Self-Check List (U-10MES2E8) How to know LEDs 1 and 2 alarm display on outdoor unit control board LED 1 LED 2 Contents of Alarm Display Alarm display After LED1 blinks M times, LED2 blinks N times. Alternating This will be repeated.
  • Page 33 Remote control display Alarm contents Compressor 2 abnormal current values (Overcurrent) Compressor 2 CT sensor disconnected, short-circuit Compressor 2 discharge temperature sensor disconnected Compressor 2 HIC alarm Oil sensor (connection) error 2 Compressor 1 HIC alarm Outdoor unit address settings duplicated Indoor unit priority duplicated (For priority indoor) Indoor unit priority duplicated (Not for priority indoor) and outdoor unit Outdoor unit capacity settings not made...
  • Page 34: Checking The Indoor Unit Addresses

    Wired remote Detected contents control display <<F01>> Heat exchanger temperature sensor E1 <<F02>> Water heat exchanger temperature sensor E2 (chiller) <<F03>> Indoor unit thermistor failure Heat exchanger temperature sensor E3 <<F10>> Inlet temperature sensor <<F11>> Outlet temperature sensor <<P09>> Connection failure of ceiling panel or connector <<P01>>...
  • Page 35: Changing The Indoor Unit Addresses (If Necessary)

    18. 8. Changing the Indoor Unit Addresses (If Necessary)  This is done using the remote controller.  Changing the addresses (1) Follow the step (1) and (2) in Section 17 in order to select an outdoor unit refrigerant system and press the SET button to confirm it.
  • Page 36 20. TEST RUN U-10MES2E8 (6) Both the gas and liquid tube service valves are open. If not, open them now. 20-1. Preparing for Test Run ● Before attempting to start the air conditioner, check the following. (1) All loose matter is removed from the cabinet especially steel filings, bits of wire, and clips.
  • Page 37 20-2. Main Outdoor Unit PCB Setting CN73 CN82 CN69 CN67 JP12 JP11 CN22 CN27 LED1 CN23 CN28 LED2 CN24 CN30 CN40 CN33 CN34...
  • Page 38 CN33 CN34 LED1 LED2 JP11 JP12 CN67 CN69 CN82 CN73 CN22 CN23 CN24 CN28 CN30 CN40 CN27 ● Name And Function Of Each Switch On Outdoor Unit Control P.C. Board Function Switch Remarks Changes to cooling/heating mode. (outdoor main unit is only usable.) When in normal operation: When short circuited the COOL side, indoor unit operation in the same refrigerant system changes to all cooling mode.
  • Page 39 20-3. Auto Address Setting Auto Address Setting from the High-spec Wired Remote Controller (CZ-RTC5A) 1 Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display. 20:30 (THU) 2 Press the button to see each menu. If you wish to see the next screen instantly, press the button.
  • Page 40 Display During Auto Address Setting ● On the surface of outdoor unit control P.C. board * Do not short circuit the A.ADD pin (CN30) again during auto address setting. LEDs 1 and 2 go out and address setting is interrupted. * When auto address setting is normally completed, both LEDs 1 and 2 go out.
  • Page 41 Checking the indoor unit addresses Use the remote controller to check the indoor unit address. CZ-RTC5A (High-spec wired remote controller) 1 Keep pressing the buttons 3 The “Simple settings” screen appears on the LCD display. simultaneously for 4 or more seconds. Select the “Unit no.”...
  • Page 42 20-4. Setting Test Run Remote Controller CZ-RTC5A (High-spec wired remote controller) 20:30 (THU) 1 Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display. ] START Maintenance func 20:30 (THU) 1. Outdoor unit error data 2.
  • Page 43 20-5. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit. (Refer to the Service Manual) This outdoor unit cannot collect more than the rated refrigerant amount as shown by the ●...
  • Page 44 • If the alarm display “E15”, “E16” and “E20” appear after auto address setting began, check the following items. Alarm display Alarm contents Recognized number of indoor units at the time of auto address setting are fewer than that of indoor units set by SW3 and SW4 on outdoor main unit P.C.
  • Page 45 Remote control display Alarm contents No indoor unit during auto address setting Receiving failure of main system from sub system when link wiring is used for outdoor units Receiving failure of sub system from main system when link wiring is used for outdoor units Receiving failure of relay control unit from outdoor unit(s) Failure of outdoor unit address setting (Duplicative) Inconsistencies in number of outdoor units...
  • Page 46 • Contents of alarm display on remote controller For the remote controller, there are other alarm contents listed on the following table besides the alarm display on outdoor main unit control P.C. board. Wired remote Detected contents control display • Failure of remote controller to receive. (For group control, signal from the main unit.) •...
  • Page 47: Ⅲ. Checking The Function And Performance

    Ⅲ. Checking the function and performance 1. Checking the function (1) Changing the function setting • If there is an indoor unit with a gas tube valve kit connected within the system, the function setting of that indoor unit can be changed from the outdoor main board of the outdoor unit connected to the indoor unit. •...
  • Page 48 (2) Checking the function of the outdoor unit  Checks before starting the engine (* Carry out these checks for all outdoor units of the corresponding refrigerant system.)  Has the crankcase heater been energized for 5 hours before starting the test run?  Is the bottom part of the compressor warmed up? * If the above conditions have not been fulfilled there is a danger of damage to the compressor, and great inconvenience being caused to the customer.
  • Page 49  Checking the rotation speed. There should be no hunting (variations in the rotation speed should be within 60min * However, the set revolution speed varies depending on the air conditioning load, so perform this check after about 15 minutes has elapsed since the test run has been set and when operation has stabilized. ...
  • Page 50 e) While the indoor unit thermostats are displayed, press the SET (SW007) key. The display changes to indoor unit forced thermostat OFF setting. Select the indoor units that are to be forced OFF. (* Set this setting from the smallest address unit of the corresponding refrigerant system.) * A light turns on to indicate that the thermostat of the corresponding indoor unit is ON, blinks at 1-second intervals to indicate the thermostat of the corresponding indoor unit is OFF, blinks at 0.5-second intervals to indicate the forced thermostat OFF setting is set for the corresponding indoor unit, and blinks at high speed...
  • Page 51 n CZ-RTC4 Part Names Control panel ° ° 1 Operation indicator Illuminates during operation. Blinks during alarm. 2 Start/Stop button Starts/Stops operation. 3 Fan speed Changing the fan speed. 4 Swing/Air direction Use this button to set the auto swing or air direction to a specifi c angle. 5 Unit select When more than one indoor unit is operated by one remote control unit, this button is used to select a unit when adjusting the air direction.
  • Page 52 10 Appears during the peak cut mode (Demand) if an electric heat pump (EHP) air conditioner is used or during standby if a gas heat pump (GHP) air conditioner is used. 11 Appears when the fan of the indoor unit is stopped or in low fan speed.
  • Page 53 Basic Operations Setting the Present Time // //  Press and hold [SET] for more than 2 seconds to enter the present day and time setting mode. Once you enter the setting mode, “SETTING”, “▼”(day) and “time” fl ash.  Set “▼” to today’s day of the week. Press [▲] to move “▼”...
  • Page 54 How to Operate Turn on the indoor unit before operation. See operating instructions of the indoor unit. Start/Stop operation / Operation mode    Press [Start/Stop] to start operation.  Press the mode select button to select the mode among AUTO , HEAT , DRY , COOL...
  • Page 55 n CZ-RTC5A Part Names Control panel 1 Return button Returns to the previous screen. 2 LCD screen 3 Menu button Displays the menu screen. 4 Energy saving button Switches Energy saving/Normal operation. 5 Enter button Fixes the selected content. 6 Start/Stop button Starts/Stops operation.
  • Page 56 Screen display (Top screen) Appears when ECONAVI is Operation is Present time being set to ON. locked. & day (When the ECONAVI panel is attached) Remote controller Setting name information icon (Next page) Fan speed Operation mode temperature Flap The indoor unit is stopped or slight blow operation is in process. n Setting information icons displayed on the top screen “Circulation”...
  • Page 57 Screen display (Menu screen) Screen name Present time & day Operation guide The currently operable content is simply displayed. • ▲▼◄►: Cross key buttons • : Enter button Ⅲ-11...
  • Page 58 Basic Operations  Start operation. Press (The operation indicator illuminates.)  Select the item to set. Press  Change the setting. Press → (The cursor disappears.) Note  Operation modes that cannot be set are not displayed.  The swing and airflow direction on the remote control is not synchronised with the flap movement. ...
  • Page 59 n Set temperature Press (When the cursor is not visible) Cursor • Cool/Dry : 18 °C to 30 °C • Heat : 16 °C to 30 °C • Auto : 17 °C to 27 °C n Fan speed Press High * Depending on the model, either of the displays appears.
  • Page 60: Checking Performance

    2. Checking performance (1) Checking the basic performance of indoor and outdoor units Operate the system in test run mode continuously for at least 30 minutes, and when the refrigerant system has stabi- lized, from the LED on the board note and record the data for each part. In the case of the W MULTI system, check the data for all outdoor units in the same refrigerant system.
  • Page 61 Oil error time  Set engine rpm 600 to 2200  Engine rpm 600 to 2200  Compressor inlet pressure 0.60 to 0.90 0.30 to 1.10  Compressor outlet pressure 2.30 to 3.20 2.40 to 3.30  Compressor inlet temperature °C 5 to 30 0 to 30...
  • Page 62 Gas demand regulation value  Gas demand input value  ↑ Number of units with thermostat Units  Thermostat-on average intake °C  temperature Thermostat-on average blow out ↓ °C  temperature Thermostat-on average E1 °C  temperature Thermostat-on average E2 °C ·...
  • Page 63  Checking mode changes For these checks select a mode that is different from the mode in which the performance checks were carried out.  Press the HOME (SW004) key to display the menu item number. “    ” (Figure 8) ...
  • Page 64: U-20Ges3E5

    Ⅳ. Board Switch and LED arrangement diagram 1. U-20GES3E5 LED021 LED022 LED037 LED038 LED039 LED040 CN072 WHT CN073 RED CN074 BLU CN071 BLK CN070 YLW CN069 GREEN CN089 WHT CN002 WHT CN083 BLK HOME DOWN LED052 STOP-SW VG SW001 SW002 LED053 SW004 SW005...
  • Page 65: U-10Mes2E8

    2. U-10MES2E8 CN33 CN34 LED1 LED2 JP11 JP12 CN67 CN69 CN82 CN73 CN22 CN23 CN24 CN28 CN30 CN40 CN27 Name And Function Of Each Switch On Outdoor Unit Control P.C.Board Function Switch Remarks Changes to cooling/heating mode. (Outdoor main unit is only usable.) When in normal operation: When short circuited the COOL side, indoor unit operation in the same refrigerant system changes to all cooling mode.
  • Page 66: Ⅴ. Ghp Test Run Checklist

    GHP Test Run Checklist Model Name: U- Manufacturing No.: 1)S- 11)S- 21)S- 31)S- 41)S- 2)S- 12)S- 22)S- 32)S- 42)S- 3)S- 13)S- 23)S- 33)S- 43)S- 4)S- 14)S- 24)S- 34)S- 44)S- 5)S- 15)S- 25)S- 35)S- 45)S- 6)S- 16)S- 26)S- 36)S- 46)S- 7)S-...
  • Page 67 GHP Test Run Checklist Manufacturing No.: Function Name: U- 1)S- 11)S- 21)S- 31)S- 41)S- 2)S- 12)S- 22)S- 32)S- 42)S- 3)S- 13)S- 23)S- 33)S- 43)S- 4)S- 14)S- 24)S- 34)S- 44)S- 5)S- 15)S- 25)S- 35)S- 45)S- 6)S- 16)S- 26)S- 36)S- 46)S- 7)S-...

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