Panasonic 2WAY MULTI U-16GE3E5 Test Run Manual
Gas heat pump air conditioner
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Summary of Contents for Panasonic 2WAY MULTI U-16GE3E5
- Page 1 Order No. SBPAC1612009CE Gas Heat Pump Air Conditioner Test Run Manual Applicable Models 2WAY MULTI/W MULTI U-16GE3E5 U-20GE3E5 U-25GE3E5 U-30GE3E5 3WAY MULTI U-16GF3E5 U-20GF3E5 U-25GF3E5 Reference No. GTR-1710-01B...
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Page 3: Table Of Contents
CONTENTS I. Test run operations 1. Applicable models ........................I-1 2. Limitations on refrigerant tubing length ..................I-2 3. Tools and measuring equipment ....................I-12 II. Test Run Work (when Connecting Indoor Unit) 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. -
Page 4: Test Run Operations
I. Test run operations Get the customer to witness the test run. 1. Applicable models Outdoor units 3WAY MULTI 2WAY MULTI/W MULTI Equivalent Equivalent Model Type Model Type horsepower horsepower U-16GF3E5 16 HP 45.0W U-16GE3E5 16 HP 45.0W U-20GF3E5 20 HP 56.0W U-20GE3E5... -
Page 5: Limitations On Refrigerant Tubing Length
2. Limitations on refrigerant tubing length < 2WAY Multi/W Multi Models> (1) System tubing Limitations on refrigerant tubing length When T-tee branch tubing is used (header branch method) Symbols No. 1 branch 40 cm or less Used for Branch tube expansion (APR purchased separately) 40 cm or less... - Page 6 (2) Selecting system header and branch tubing sizes Outdoor and indoor units are connected together by a pair of headers. If the maximum tubing length exceeds 90 m (effective length), increase the size of the main tubing for both liquid and gas by one size.
- Page 7 Selecting ball valves Valve connection tube diameter (mm) Applicable indoor unit Applicable outdoor Total indoor unit capacity through unit Model Type No. Liquid Balance valve 71.0 kW Type SGP-BV710K f 31.75 f 19.05 Over 72.8 kW to 101.0 kW (over 90 m) SGP-BV450K f 28.58...
- Page 8 <3WAY Multi/Models> (1) System tubing Limitations on refrigerant tubing length Outdoor unit 3-tube line (discharge gas tube, suction gas tube, liquid tube) 2-tube line (gas tube, liquid tube) When T-tee branch tubing is used (header branch method) ＬＡ First branch (Branch line) ℓ...
- Page 9 (2) Selecting system header and branch tubing sizes Table 1-1 System limitations Outdoor unit 45.0 kW Type 56.0 kW Type 71.0 kW Type Capacity proportion of the indoor units to the outdoor unit 50 - 200 % Minimum capacity of indoor units that can be connected ≤...
- Page 10 Table 4. Distribution ⇔ Solenoid valve kit connection tubing (3-tube line) Type Indoor unit Equivalent HP Suction tube f 15.88 Tubing dia. Discharge tube f 12.7 Liquid tube f 9.52 Table 5. Solenoid Valve Kit ⇔ Indoor unit connection tubing (2-tube line) Type Indoor unit Equivalent HP...
- Page 11 [Anticipating additional indoor units] 1) Ball valve installation position: Install on main tubing after branching. 2) Installation guidelines * Slope main tubes after branches to prevent oil buildup. * Locate ball valves as close as possible to within 40 cm of their branch points. If the tube diameter at the ball valve is smaller than that of the main tube after branching, install reducers only at the ball valve connections.
- Page 12 Solenoid Valve Kits (sold separately) Model Name Model No. Compatible Indoor Units CZ-P56HR2 Types 22 to 56 Solenoid Valve Kit CZ-P160HR2 Types 71 to 160 ● Wiring Procedure Connect the 9P connector coming from the solenoid valve kit through the power inlet of the indoor unit to the 9P connector (red) of the 3WAY PCB (sold separately).
- Page 13 Equivalent length of refrigerant piping The following table shows the equivalent straight piping length of connectors that may be used in the piping system. Table 3. Equivalent straight piping length of connectors Units (m) Inlet pipe or thick pipe Ø9.52 Ø12.7 Ø15.88 Ø19.05 Ø22.22...
- Page 14 [Anticipating additional outdoor units] 1) Ball valve installation position: Install on main tubing after branching. 2) Installation guidelines • Slope main tubes after branches so as to prevent oil buildup. • Locate ball valves as close as possible to (within 40 cm) of their branch points. •...
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Page 15: Tools And Measuring Equipment
3. 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 16: Test Run Work (When Connecting Indoor Unit)
II. Test Run Work (when Connecting Indoor Unit) Test run flow Outdoor unit Indoor unit (1) Checking the construction (5) Checking the indoor units (2) Checking the outdoor unit Remove fixing pad Checking the gas type External visual check Checking accessory items (3) Safety check ... -
Page 17: Checking Installation Work (1) Installation Work Check
1. Checking installation work (1) Installation work check 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 18: Safety Check
(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 19 ● 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 20 II - 5...
- Page 21 • 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 22 • 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 23 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 24 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...
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Page 25: Indoor Unit Check
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 26: Preparations And Checks Before Operation
2. Preparations and checks before operation (1) Preparations for operating the outdoor unit Removing the outdoor unit panel • Turn on the breaker to supply power. Crankcase heater 5 hours’ preliminary energization check • Touch the lower part and the bottom surface of the compressor with your hand, and confirm that it is warm. •... - Page 27 Checking and setting the fuel gas type * When using Propane as the fuel gas it is necessary to adjust the fuel adjustment valve and the gas type setting. <Fuel valve setting> * While the outdoor unit power breaker is OFF, Move the lever of the P/N switch that is attached to the mixer part of the engine to the position shown in the diagram.
- Page 28 The red LED (LED052) lights up, indicating a TEST/WARNING. In this condition, use the UP (SW005) or DOWN (SW006) key to select the gas type. * The relationship between display and gas type is shown in the following table. Display Gas type ...
- Page 29 Checking and adjusting the date and time Checking the date and time a) Select the menu item “ ” to display the current date. Example: (March 1, 2017, in the example) b) With the date displayed, press the SET (SW007) key to change to the time display. Example: ...
- Page 30 Checking the initial values Check the initial values of the outdoor unit Press the HOME (SW004) key for longer than 1 second, and the menu item number will be displayed. “ ” (If the STOP SW (SW001) is on total stop, then after displaying “ ”, “ ” will be displayed) ...
- Page 31 Setting of number of indoor units connected * Set the number of connected outdoor units (W MULTI only) and indoor units on the main board of the outdoor unit. * Both of these setting are set to 1 unit at the time of shipment. <Setting the number of outdoor units>...
- Page 32 The red LED (LED052) lights up, indicating a TEST/WARNING. In this condition, press the UP (SW005) or DOWN (SW006) key to select the connection number. * The indication becomes as shown below. * Setting range • W MULTI: Maximum number of indoor units can be connected. Please refer to Table 1-1. Indication Meaning ...
- Page 33 Setting the system address and whether there is a terminating resistance or not * Check the wiring configuration of the indoor/outdoor control wire. The setting method for the system address setting and the terminating resistance differs depending on the wiring configuration. * Set the outdoor system address on the outdoor unit main board.
- Page 34 Outdoor Outdoor Outdoor unit unit unit Indoor/outdoor control wire Tubing Tubing Indoor Indoor Indoor Indoor Indoor Indoor Indoor Indoor unit unit unit unit unit unit unit unit Basic wiring diagram : Example 3 <How to set the outdoor unit system address> The system address of the outdoor unit needs to be set.
- Page 35 <How to set the outdoor unit address for W Multi system > Press the HOME (SW004) key for longer than 1 second, to display the menu item number . “ ” Next, press the UP (SW005) or DOWN (SW006) key and the menu item number will be displayed. Select “ ...
- Page 36 Checking the coolant level Check the coolant level from the inspection opening of the exhaust top side panel. The internal display panel has the cutout shapes shown in the detailed diagram to indicate the “L Level” and “H Level.” ...
- Page 37 Setting the total stop switch Check that energizing has taken place for 5 hours, and then set SW001 (STOP SW) of the outdoor main board from the “STOP” side to “NORM” side. The engine will not start up while the switch is set to “STOP.” The indication on the seven-segment display changes from “...
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Page 38: Setting The Address
3. Setting the address (1) Setting the indoor unit addresses automatically * The method of setting the addresses differs depending on the wiring of the indoor unit control wire and power supply. * The addresses of indoor units can be set automatically from the smallest address unit. The remote controller addresses (group control and individual control) can also be set at the same time. - Page 39 <For the case where the power can be turned on for each refrigerant tubing system> * The address of an indoor unit can be set without operating the outdoor unit. * However, the outdoor unit will operate in the event that power is supplied from another system, so give sufficient consideration to safety.
- Page 40 * The final digit of the heating automatic address setting display shows the progress of the automatic address setting in turn. : Preparing to start automatic address setting : Waiting for indoor unit automatic address setting preparation ...
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Page 41: Setting The Indoor Unit Address Manually
(2) Setting the indoor unit address manually The following is the method for the case where the indoor/outdoor control wire spans several outdoor units, but the power to each system cannot be separately turned on or units operated separately. <MULTI> MULTI Outdoor unit Outdoor unit... -
Page 42: Checking The Indoor Unit Addresses
(3) Checking the indoor unit addresses All checking process are carried out from a wired remote controller. After checking the addresses, attach an address number label to the indoor and outdoor units. (This is needed for sub- sequent maintenance, so be certain to attach the labels) Remote controller Use the remote controller to check the indoor unit address. - Page 43 n CZ-RTC4 (Timer remote controller) <If 1 indoor unit is connected to 1 remote controller> Number changes to indicate which indoor unit is currently selected. Indoor unit address Press and hold the button and button for 4 seconds or longer (simple settings mode). ...
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Page 44: Changing The Indoor Unit Address (When Necessary
(4) Changing the indoor unit address (when necessary) • All changing operations are carried out from a wired remote controller. • This operation is carried out when you want to change the indoor unit address after it has been set automatically. •... - Page 45 Code no. Item Set data System address 0001: Unit No. 1 0002: Unit No. 2 0003: Unit No. 3 0030: Unit No. 30 0099: Not set Indoor unit address 0001: Unit No. 1 0002: Unit No. 2 0003: Unit No. 3 0064: Unit No.
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Page 46: Flow Diagram For Address Setting
(5) Flow diagram for address setting Yes: If the following addresses are not set on the non-volatile memory (ICB) of the indoor control board it will not be possible to carry out the test run. (these are undetermined data at time of shipment) Indoor unit system (outdoor unit) ad- Item Data at... -
Page 47: Checking The Function (1) Changing The Function Setting
4. 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: Checking The Function Of The Outdoor Unit
(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. ...
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Page 50: Checking The Indoor Units And Remote Controller
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 Screen display ° ° 15 14 1 Displayed if the selected feature was disabled during installation. 2 Displayed when a mistake is made during timer setting. 3 Appears when the timer program is being set. 4 Indicates today’s day of the week. 5 Displayed when the timer has been turned OFF.
- 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 II - 42...
- 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.
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Page 60: Checking Performance
5. 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 ·...
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Page 63: Completion Of Operations
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 27) ... -
Page 64: Operating Instructions
6. Operating instructions (1) Daily inspection < Be sure to explain to the customer the necessity of daily inspection and how to carry it out. > Clean the air filter periodically. CAUTION If the air filter becomes blocked the operation deteriorates, and the protective device can activate and stop the system. -
Page 65: Self-Diagnosis Function Table (Outdoor Unit
7. Self-diagnosis function table (outdoor unit) System A (activation of engine system operation devices) Outdoor Outdoor unit control unit control Contents Contents board board display display Operation is normal Starter locked Engine oil pressure trouble CT trouble (starter current detection failure) ... - Page 66 System L (settings trouble) Outdoor Outdoor unit control unit control Contents Contents board board display display Indoor unit capacity not set Mismatch of indoor/outdoor unit types (Non-GHP device present) Outdoor unit capacity not set Multiple master units set for group control Indoor unit type setting failure ...
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Page 67: Reference Document
III. Reference Document 1. Board Switch and LED arrangement diagram 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 68 GHP test run checklist (2WAY MULTI/W MULTI) 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 69 GHP test run checklist (2WAY MULTI/W MULTI) Function 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-...