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Panasonic U-16GE2E5 Manual

Gas heat pump
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Order No. SM7110034-11CE
Gas Heat Pump
Air Conditioner
Periodic Inspections, Periodic Parts Replacement Manual
Reference No. SM7110034-02
Applicable Models
2WAY MULTI/W MULTI
U-16GE2E5
U-16GEP2E5
U-20GE2E5
U-20GEP2E5
U-25GE2E5
U-25GEP2E5
U-30GE2E5
3WAY MULTI
U-16GF2E5
U-20GF2E5
U-25GF2E5
April 2012

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Summary of Contents for Panasonic U-16GE2E5

  • Page 1 Order No. SM7110034-11CE Gas Heat Pump Air Conditioner Periodic Inspections, Periodic Parts Replacement Manual April 2012 Applicable Models 2WAY MULTI/W MULTI U-16GE2E5 U-16GEP2E5 U-20GE2E5 U-20GEP2E5 U-25GE2E5 U-25GEP2E5 U-30GE2E5 3WAY MULTI U-16GF2E5 U-20GF2E5 U-25GF2E5 Reference No. SM7110034-02...

  • Page 2: Table Of Contents

    CONTENTS 1. Periodic Inspections, Periodic Parts Replacement Work (1) Gas Heat Pump Air Conditioner ................I-1 (2) Periodic Inspections and Their Scheduling Warranty Period ...................... I-1 Inspection Menu for Periodic Inspection Contract ........... I-1 Miscellaneous ......................I-1 (3) Outdoor main board switch and LED arrangement diagram ........I-2 (4) Basic Operations for Periodic Inspection Work Backup operation during maintenance work (for W MULTI) ........

  • Page 3: Periodic Inspections, Periodic Parts Replacement Work

    Note 3: When the hours of operation reach 30,000 hours, Panasonic will arrange for “refresh maintenance.” This may be repeated for up to 13 years (if 13 years are exceeded, the equipment is replaced). Furthermore, a periodic inspec- tion is required either 10,000 hours of operation or 5 years after “refresh maintenance,”...

  • Page 4: Outdoor Main Board Switch And Led Arrangement Diagram

    (3) Outdoor main board switch and LED arrangement diagram Name Name Terminating resistance ON/OFF switch (S010) CN075 STOP SW (S001) EEPROM Indoor/outdoor communication monitor (D043) CN037 (white) Fuel gas solenoid valve force close switch (S002) CN049 (red) Compressor outlet/inlet pressure sensors PS1: Inlet, PS2: outlet SET key (S007) DOWN key (S006)

  • Page 5: Backup Operation During Maintenance Work (For W Multi

    (4) Basic Operations for Periodic Inspection Work All work other than when the STOP (all stop) switch (S001) is set to STOP and the VG (fuel solenoid valve forced off switch) switch (S002) is set to OFF should be performed with the HOME (S004), SET (S007), UP (S005), and DOWN (S006) keys.

  • Page 6: Engine Stop

    [Work example] Perform maintenance on W MULTI outdoor unit 2 in refrigerant system 1. a) For the W MULTI outdoor unit 2 indicated in the left diagram, perform « Refrigerant system 1 Step 1 » to « Step 3 » in [Backup operation procedure] in that order. Then, perform maintenance work on W MULTI outdoor unit 2.

  • Page 7: Engine Oil Use Time Reset Method

    Engine Oil Use Time Reset Method Make sure to perform this procedure after checking (re- plenishing, changing) the engine oil. 1) Press the HOME (S004) key for one second or more. The menu display will show item number “ ” 2) Next, press the UP (S005) and DOWN (S006) key, Oil use time (10,100 hours) displaying the menu item numbers.

  • Page 8: Coolant Circulation Operation

    Coolant Circulation Operation This operation forcibly drives the coolant pump and the coolant electric three-way valve. It is used for re lling cool- ant and for removing air from the coolant circuit. Note: Check that the coolant circuit contains some coolant before performing this operation. The pump may be dam- aged if forced operation is started without any coolant.

  • Page 9: Forced Rotational Speed Setting Operation

    5) Setting and Canceling Forced Coolant Circulation Operation Press the SET (S007) key for 1 second or more while forced coolant circulation setting is selected. The coolant pump will operate and the coolant electric three-way valve will cycle repeatedly through closing completely for 3 minutes, then opening completely for 1 minute and 15 seconds.

  • Page 10: Periodic Inspection And Periodic Replacement Work Manual

    Alternatively, perform the STOP operation for the outdoor unit. Model No. K25 (Nissan engine) Chapter [2 (2)]. Use Panasonic genuine oil for the engine oil. Figure 1 Genuine gas engine oil Name Q’ty 45.0~...
  • Page 11 For models with a K25 engine (45.0, 56.0, 71.0KW Types) (85.0KW Type) II - 2...
  • Page 12 Use a rag to wipe up spilled oil. Figure 3 Applying Panasonic genuine oil For models with a K25 engine (45.0, 56.0, 71.0KW Types) (85.0KW Type) Caution damaged, resulting in oil leaks. II - 3...
  • Page 13 Models 45.0 to 71.0KW type 4) Use an oil pump to remove the oil. old oil that adheres to the front end of the hose used to re- hose used for removing the oil to its original location. 6) Use an oil can to measure the oil and gently pour 40 liters of Figure 5 Fill hole A Divider...
  • Page 14 Model 85.0KW Type 4) Use an oil pump to remove the oil. Oil tank 5) Use an oil can to measure the oil and gently pour 42 liters of Figure 5 (Figure 6) Fill hole A Fill hole B Fill hole C Canceling Oil tank Divider...

  • Page 15: Engine Oil Inspection, Replenishment, Replacement Work List

    (2) Engine oil Inspection, Replenishment, Replacement Work List Maintenance item Periodic inspection 3 liters 40 liters 43 liters 3 liters 42 liters 5 liters 50 liters II - 6...

  • Page 16: Valve Clearance Adjustment

    (3) Valve Clearance Adjustment Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit side. Before carrying out work on the inside of the outdoor unit, make sure you turn off the power supply circuit breaker of the outdoor unit.
  • Page 17 (Figure 3). Figure 3 ley is aligned with the timing pointer (Figure 5). Timing pointer (white) (white) (white) (white) Top mark (orange) Timing indicator details Top mark (orange) Figure 5 Figure 4 Timing mark cylinder is at compression top dead center. Perform the below (Figure 7).
  • Page 18 with the timing pointer. If the valves were discharge inlet inlet discharge discharge inlet inlet discharge adjust the clearance of the remaining valves Figure 7 Location of each valve Discharge valves 0.38 mm 0.45 mm clearances must be readjusted. II - 9...

  • Page 19: Sparkplug Replacement

    (4) Sparkplug Replacement Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit side. Before carrying out work on the inside of the outdoor unit, make sure you turn off the power supply circuit breaker of the outdoor unit.
  • Page 20 Figure 5 Removing the wire harness plugs Figure 6 Removing the sparkplug coils Installation II - 11...

  • Page 21: Air Cleaner Element Replacement

    (5) Air Cleaner Element Replacement Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit side. Before carrying out work on the inside of the outdoor unit, make sure you turn off the power supply circuit breaker of the outdoor unit.
  • Page 22 move the dust cap. (Figure 2) 2) Clean the inside of the dust cap. (Figure 3) Figure 2 Figure 3 Dust Cap Caution Caution II - 13...

  • Page 23: Coolant Level Check, Replenishment

    (However, if a system controller or other centralized control device is being used, an abnormal communications error may be generated.) Alternatively, perform the STOP operation for the outdoor unit. Use Panasonic Genuine Coolant solution (Figure 1). Caution mouth during work.

  • Page 24: Compressor Drive Belt Replacement

    (7) Compressor Drive Belt Replacement Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit side. Before carrying out work on the inside of the outdoor unit, make sure you turn off the power supply circuit breaker of the outdoor unit.
  • Page 25 CAUTION not forget to remove that plate. Bolts Bolts Figure 2 II - 16...
  • Page 26 Compression drive belt tension adjustment has been raised. tension has been obtained. CAUTION Adjust belt tension by applying pressure to it without grasping it. Be sure to check that there is no slippage at these important places 290 mm tension measurement location Density Number of ribs dure until desired tension is achieved.

  • Page 27: Inspection And Replenishment Of Drain Filter Filling Stones

    (8) Inspection and Replenishment of Drain Filter Filling Stones Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit. When working on internal parts of the outdoor unit, make sure to cut the power to the outdoor unit at the circuit breaker before starting work.
  • Page 28 height of the rib). 4) Place the tray in the case. could become lodged in the grooves of the case. Add neutralizer Cover Packing mats Tray Figure 4 Case Figure 3 II - 19...

  • Page 29: Generator Belt Replacement

    (9) Generator Belt Replacement Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit. When working on internal parts of the outdoor unit, make sure to cut the power to the outdoor unit at the circuit breaker before starting work.
  • Page 30 Figure 3 Figure 4 Installing the new belt Figure 5 II - 21...
  • Page 31 295 mm tension measurement position Density Number of ribs justment bolt (6). (Figure 7) Figure 6 Figure 7 Caution II - 22...

  • Page 32: Gas Leak Inspection

    Panel installation Install the front and rear panels on the outdoor unit and turn on the outdoor unit. (10) Gas Leak Inspection Safety Precautions Stopping only the indoor unit is extremely dangerous because the engine may suddenly start if the customer operates the remote controller on the indoor unit side.

  • Page 33: Periodic Replacement Parts List

    3. Periodic Replacement Parts List U-16GE2E5 · U-20GE2E5 · U-25GE2E5 · U-16GF2E5 · U-20GF2E5 · U-25GF2E5 Replacement rank Part code Part name Quantity (Replacement time) CZ-PSLF3 Oil filter CZ-PSAF1 Air cleaner element CZ-PSPG1 Spark plugs (10,000 hours or CZ-PSVB5 Compressor operation belt...
  • Page 34 U-30GE2E5 Replacement rank Part code Part name Quantity (Replacement time) CZ-PSLF5 Oil filter CZ-PSAF1 Air cleaner element CZ-PSPG1 Spark plugs (10,000 hours or CZ-PSVB3 Compressor operation belt 5 years) CZ-PSLS5 Oil absorbent mat CZ-PSDF1 Drain filter packing CZ-PSLF5 Oil filter CZ-PSAF1 Air cleaner element C-10...

  • Page 35: Ghp Periodic Inspection, Periodic Replacement Checklist

    GHP Periodic Inspection, Periodic Replacement Checklist Delivery Company Destination · ( name · ( Inspection, Replacement Delivery Address Address (No. Outdoor · S- · S- · S- Indoor · S- Gas company name Inspection date ( Gas type used Check items Work Conclusion 1.
  • Page 36 Check items Measurement Conclusion 5. Engine system checks Version update available? Yes Version 6. Control program version 7. Operation data collection Data collection time (Time after starting operation) Min. Note: Operate all indoor units and measure. Abnormal vibration, noise checks OK/ not Ok Data Measurement item (sensor name)

This manual is also suitable for:

U-16gep2e5U-20ge2e5U-20gep2e5U-25ge2e5U-25gep2e5U-30ge2e5 ... Show all

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