CZ-PAH1 AHU Controller Installation Manual
Contents
1. 1 2 3 4 Power Supply For stranded wiring Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring by about 10mm and tightly twist the wire ends Fig 9 7 Using a Phillips head screwdriver remove the terminal screw s on the terminal plate Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal Place the ring pressure terminal and replace and tighten the removed terminal screw using a screwdriver Fig 9 8 Stranded wire Special washer Screw Ring er g lt pressure A Ring pressure terminal l arminal Screw and Special washer Ring pressura terminal Strip 10 mm Terminal plate Wire Bee Fig 9 7 Fig 9 8 Examples of shield wires Remove cable sheath not to scratch braided shield Fig 9 9 Unbraid the braided shield carefully and twist the unbraided shield wires tightly together Insulate the shield wires by covering them with an insulation tube or wrapping insulation tape around wire Fig 9 10 Ineulation tape Shiald mesh Remove insulation of signal wire Fig 9 11 Fig 9 10 ag Attach ring pressure terminals to the signal wires and 7 _ the shield wires insulated in Step 2 Fig 9 12 n Noonoo Insulation tape shield mesh male TENEN A Use this screw Fig 9 11 mayan antaet ce tse tas ten when connecting RD ET the shield for the inter unit control wiring to groun2. E1 B AHU equipment Field supplied H Thermistor for Heat exchanger pipe middle E2 C Remote controller option parts I Thermistor for Suction air TA D Outdoor unit J Inter unit wiring E Gas piping Field supplied K Magnetic relay for operating the blower Field supplied F Liquid piping Field supplied 7 Limitations of AHU 7 1 Temperature Range The limitation of temperature range is below po Cooling Heating Outdoor temperature oF ew Maximum 43 C DB 15 C WB Inter air temperature 18 C DB 16 C DB to the heat exchanger Maximum 32 C DB 23 C WB 30 C DB 7 2 Inside Volume of Heat Exchanger Capacity Cooling Heat exchanger Maximum dm volume Minimum dm 7 2 7 3 Air Volume of AHU Capacity Cooling en 7 4 Front Area of Heat Exchanger _Gapacity Cooling W_ 10 125 14 2 235 Maman of fosil osi ost ao ao oa 0 43 0 43 0 54 0 66 7 5 Restriction of the Number of Passes of the Heat Exchanger Hairpin Minimum number of passes The number of steps X Distance between tube sheets x The number of rows x 1 5 x 1074 lt For example gt The number of steps 12 Distance between tube sheets 1000 mm The number of rows 3 Minimum number of passes 12x 1000 x3x1 5x104 5 4 lt 6 passes Outdoor unit has a switch for high pressure Air conditioning unit stops the operation for protection when high pressure gets higher Pressure switch somet
3. install a remote controller Option parts follow the steps below Remove the front panel 1 Remove the two screws on the right 9 he f side of the unit PODEA none P 3 Remove the screw and washer fixing 4 Remove hinges and lift up the front film on the front panel panel 11 2 Make holes on the front panel Make holes x3 correctly at the following position 2 screw holes a wire hole If the hole position 1s wrong or different the electrical equipment parts in the box and 2X 3 1mm Hole for screws of remote controller installation the wires may be damaged and cause the trouble 10mm Hole for remote controller wiring Caution Protect Remote Controller Wiring to avoid damaging 10 5mm 220mm outer dimension 220mm outer dimension P 10mm Hole 2x 3 1mm Hole Front view Top view Remote controller installation 1 Push the driver into the groove of the lower body of the remote control and then remove the lower case 2 Fixed the case of the remote control with screws onto the front panel 3 Connect the remote control wiring to the main PCB of AHU kit 4 Fit the body of the remote control to the lower case and then install it Hole for remote controller wiring Use the two screws 4x8 Lower case of the remote controller that come with this AHU kit instead
4. is not strong enough the equipment may fall resulting in injury Perform installation that is secure enough to ened earthquakes and typhoons and other strong winds Incorrect installation can result in falling equipment and other accidents Ventilate the work area if cooling gas leaks during installation Poisonous gas can result if cooling as comes into contact with fire After installation of cooling pipes perform a nitrogen gas sealing test to check that there are no leaks Poisonous gas can result if cooling gas leaks into the room and comes into contact with a fan heater stove range or other source of fire When handling cooling gas be careful not to touch the cooling gas directly Frostbite injuries can occur Do not install the hci te in locations where flammable gas can be generated enters build up or leak Do not install in locations where volatile inflammable materials are handled Flammable See or inflammable materials may ignite cause fires l l l Be sure to ground equipment properly Do not attach ground wires to gas pipes water pipes ee arresters or telephone ground lines Failure to ground completely can cause electric shock Always install an earth leakage breaker Failure to install an earth leakage breaker can cause shock and fires 2 System Lineup Capacity Outdoor combination Connectable AHU kit combination 10kW U 100PE1K8 U 100PE1K5 CZ 280PAH1 CZ 280PAH1 12 5kW U 125PE1E8 U 125
5. or the wired remote controller refer to Check self diagnosis label attached on the reverse side ofthe panel for checking the Unit 10 14kW 9 7 Table of Self Diagnostic Fanctions and Corrections 20 25kW which is in INSTALLATION INSTRUCTIONS of Outdoor Unit 18 PA0612 1082 Authorized representative in KU 85464369641001 Panasonic Testing Centre Printed in Japan Panasonic Marketing Europe GmbH Winsbergring 15 22525 Hamburg Germany Service Part No CV6233211466
6. 0 240V 50Hz Noto ot He NV unit L Power supply Ny 220 240 V 50Hz Remote controller a U WHT g i oo Ground ie Z e B Grond Fig 9 1 NOTE 1 Refer to Section 9 2 Recommended Wire Length and Wire Diameter for Power Supply System for the explanation of A B C and D in the above diagram Fig 9 1 6P terminal board 2 The basic connection diagram of the indoor unit shows the terminal boards so the terminal boards in your equipment may differ from the diagram Fig 9 2 3 Refrigerant Circuit R C address should be set before turning the power on L EE ne ma E Re 4 Regarding R C address setting refer to the Powar Unit Remote installation instructions supplied with the supply _ remote controller unit optional Auto address setting can be executed by remote controller Fig 9 2 automatically Refer to the installation instructions supplied with the remote controller unit optional 14 AA CAUTION 1 When linking the outdoor units in a network disconnect the terminal extended from the short plug from all outdoor units except any one of the outdoor units When shipping in shorted condition For a system without link no wiring connection between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 9 3 ia ae Prohibited 3 Do not install inter unit control
7. INSTALLATION INSTRUCTIONS Air Handling Unit control kit Model No CZ 280PAH1 Panasonic Only Indoor Installation ey reading this INSTALLATION INSTRUCTIONS correctly and safely conducting installation or electrical work Especially before conducting installation or electrical work be sure to read Safety Precautions page3 Contents 1 Safety Precautions 3 2 System Lineup 4 3 Supplied Parts 4 4 Outside View 4 5 Control Box Configuration 5 6 System Overview 5 7 Limitation of AHU 6 7 1 Temperature range 6 7 2 Inside volume of heat exchanger 6 7 3 Air volume of AHU 6 7 4 Front area of heat exchanger 6 7 5 Restriction of the number of passes of the heat exchanger hairpin 6 8 Installation 7 8 1 AHU kit Installation 7 8 2 Piping Installation 8 8 3 Thermistor Installation 9 8 4 Capacity disregard of circuit board in outdoor unit 10 8 5 Remote Controller Installation Option parts 11 9 Electrical Wiring 13 9 1 General Precautions on Wiring 13 9 2 Recommended Wire Length and Wire Diameter for Power Supply System 13 9 3 Wiring System Diagrams 14 9 4 How to connect wiring to the terminal 16 9 5 Connecting Distant Signal Line 17 10 Test Run 18 Warranty policy We are held responsible for the quality and performance of the AHU kit we supply but not held responsible for the performances operations and machine controls of your complete AHU system which incorporates our AHU kit We are not hel
8. PE1E5 CZ 280PAH1 CZ 280PAH1 14kW U 140PE1E8 U 140PE1E5 CZ 280PAH1 CZ 280PAH1 20kW U 200PE1E8 TC BOPAH1 25kW U 250PE1E8_ C7250PAHi Single connection type only Mix connection with standard indoor units is not allowed Applicable system is only above 3 Supplied Parts Self DrillingScrew For fixing the product ald Rand is bricked For attaching remote controller Screw 4x8 2 option parts For supporting the product Bracket 1 At the time of shipment be glued to the back of the product Installation a Instructions AHU System For selection of AHU and Check list operating test run For fixing thermistor and Clamper 3 5 making wire down to Blower signal line Thermistor 3 Attached to the body of AHU kit 4 Outside View 425mm 404mm Front view Side view Bottom view Weight of the control box 6 3kg 4 5 Control Box Configuration 6 2 Aap lt Me ro ra A i 7 3 Pa a i P ie PCB main 2 Transformer 1 4 3 Magnetic relay 4 Terminal power supply control line Terminal Blower signal line Space Optional controller installation for Mini Seri Para I O unit lt CZ CAPBC2 gt 6 System Overview Single connection Strainer Liquid pipe amp Gas pipe Min 25 4 100 Field supplied A AHU kit controller box with control PCB G Thermistor for Liquid pipe
9. d Remote Control Wiring Inter unit Control Wiring 16 9 5 Connecting Distant Signal Line Blower signal and Blower protect Blower signal and Blower protect are connected from this hole and fixed by clamper E Blower signal output Inside of AHU Blower signal and Blower protect Clamper Supplied parts Make wire down to Blower signal and Blower protect by clamper Supplied parts so as to avoid water into AHU kit A fan control It is usually at ON position at the time of operating but it becomes OFF in defrosting E Blower protect input If a switch opens an alarm P01 appears on a remote control display and stop operation stops sW1 Minimum applicable load DCS V 1 mA Maximum applicable load X1 Relay field supply AC 30V 2A SW1 operation command field supply AG220 240 V 01A 17 E Example t set connection electric circuit AHU kit controller Eee wg FISI SUPPIER 9 PeasssenSeseetee ts 7 BF terminal Blower signal output Blower protect input me e e e oe oe e mm mm mmm mmm mm mm mmm mmm mmm mmm mm msm msm msm mm E e m m 10 Test Run Operate Test Run according to 10 PRECAUTIONS REGARDING TEST RUN 10 14kW 9 TEST RUN 20 25kW which is in INSTALLATION INSTRUCTIONS of Outdoor Unit and AHU System Check List which is an accessory of this product If alarm messages are indicated on the outdoor unit PCB blink of LED
10. d responsible for the components used in the refrigerant cycle of your AHU system either Such components are but not limited to Compressors High pressure switches Check valves Strainers Expansion valves Solenoid valves 4 way valves Capillary tubes Accumulator tanks Heat exchanger tubes We are not held responsible for any damages and defects caused in the process of installing our AHU kit by the system design and or during assembly of your AHU system We do not publish the certificate to show conformity to the EMC and the product safety requirements applicable to your complete AHU system 1 Safety Precautions Before conducting installation or electrical work be sure to carefully read these Safety Precautions Follow instructions exactly in all installation or electrical work The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance This warning mark indicates that This cautionary mark indicates Warning A possibility of serious injury or Caution that A possibility of injury or death exists damage to property exists Be sure to arrange installation at the dealer where the system was purchased or use a professional installer Leaks electric shock or fire may result if an inexperienced person performs any installation or wiring procedures incorrectly l Installation should be performed exactly according to the Installati
11. ermistor wire down 8 3 3 Installation of E2 Thermistor for Heat exchanger Pipe middle 1 Attach the heat exchanger pipe middle 2 Cover the thermistor and pipe with thermistor in the middle of each pass line aluminum tape Field supply pipe in the heat exchanger 3 The thermistor is fixed in bands Then 4 Cover the aluminum tape with thermal insulation it must not make tension to the wire And also cover Sensor Copper portion with thermal insulation completely 8 3 4 Thermistor Installation for Air Suction Attach Suction Thermistor TA to the position where air suction temperature can be measurable 8 4 Capacity Disregard of Circuit Board in Outdoor Unit Cut the wire for jumping to JP001 Capacity disregard on circuit board in outdoor unit Remote Controller displays E15 E16 Error message when not cutting it ome ae JP001 CUT aee Cut method of JP001 Cut 2 points Take off cut jumper leads 10 8 4 1 Attachment of NOTES Label Supplied parts Please be sure to place the attached NOTES label on the following designated area in Outdoor Unit when cutting jumper wire on circuit board in Outdoor Unit Model name U 100PE1E8 U 100PE1E5 U 200PE1EK8 U 125PE1E8 U 125PE1E5 U 250PE1EK8 U 140PE1E8 U 140PE1E5 ams F Ns Q i rajy ZANNA W gt XC 8 5 Remote Controller Installation Option parts When you
12. iameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before beginning You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring Use shielded wires for inter unit control wiring between units and ground the shield on both sides 9 If the power supply cord of this appliance is damaged it must be replaced by a repair shop designated by the manufacture because special purpose tools are required 9 2 Recommended Wire Length and Wire Diameter for Power Supply System B Power supply Power supe Time delay fuse or ts circuit capacity AHU kit controller Max 150m 10 16 A Control wiring C Inter unit between outdoor and indoor units D B control control wiring g 2 0 75mm 0 75 mm AWG 18 AWG 18 Use shielded wiring Max 1 000m Max 500m For A Power supply of outdoor unit refer to INSTALLATION INSTRUCTIONS of outdoor unit 13 9 3 Wiring System Diagrams For 3 phase outdoor unit Power supply 220 240 V 50 Hz N Outdoor unit INV unit Remote Ground Ground For single phase outdoor unit AHU kit controller Power supply Lees Outdoor unit 20
13. imes operates in Heating mode when the position of setting Heat exchanger pipe Thermistor E2 is not proper or how to set it is not proper 8 Installation 8 1 AHU kit Installation Mount AHU kit according to the following instructions Attach AHU kit to Air Handling Unit body directly to avoid exposing wires of thermistors to outside 1 Install the bracket to the wall with 2 Make two holes for wirings the screws Three screws The position of wires holes of AHU kit 120mm 113mm Make holes on the wall 4 Remove the two screws on the right side of the unit Support the unit with your free hand while removing the screws 5 Open the front panel and fix the unit to the wall with the screws 4 screws 8 2 Piping Installation 8 2 1 Dimension of connecting pipe to heat exchanger of AHU Capacity Model name Liquid pipe Gas pipe 10 14kW CZ 280PAH1 9 52mm 15 88mm 20kW CZ 280PAH1 09 52mm 25 4mm 25kW CZ 280PAH1 12 7mm 25 4mm 8 2 2 System piping length Charging with refrigerant At the time of shipment from the factory Outdoor unit is charged with enough refrigerant for an equivalent pipe length of 30m If the equivalent pipe length used will be 30m or less no additional charging will be necessary If the equivalent pipe length will be between 30 and 50 70m charge with additional refrigerant according to the equivalent length given in the table below Capac
14. ity Additional charging amount Equivalent length Minimum length 10 14kW 50g m 20kW 40g m 25kW 80g m 8 2 3 Installation of Strainer Field supplied Attach the Strainer to the side of the outdoor unit for GAS amp LIQUID piping Refer to 6 System Overview of page 5 8 3 Thermistor Installation Identify the thermistors by the tag which is wound to each thermistor Don t put wires out of equipment Don t cut wires and don t detach connecter of wires 8 3 1 Caution for Thermistor Installation Attach the head of thermistor exactly Put the thermistor wire down to avoid onto the pipe because the head is most water to the thermistor sensitive point of the thermistor Maximize the contact ee eee 1 A eek Most sensitive point of the thermistor Insert thermistor wire down into AHU body The wire down is close to AHU kit Inside of AHU Drooping Wire 8 3 2 Thermistor Installation for Liquid Pipe Put E1 thermistor to liquid pipe of AHU heat exchanger according to the step below l Attach the liquid thermistor to the liquid 2 Cover the thermistor and pipe with pipe located in the lowest position after aluminum tape distributer in heat exchanger gt iL Cy I BR py AS 3 Cover the aluminum tape with thermal 4 Thermal insulation and wiring are fixed insulation by two bands Then it must not make tension to the wire W Put the th
15. of the four screws that come with the remote controller Screw 4x8 x 2 Supplied Parts Hole for remote controller installation T Body of the remote controller 4 Attach the front panel 1 Replace front panel 2 Fix the film to the front panel with the screw and washer 3 Close the front panel 4 Replace the two screws on the right side of the unit 12 9 Electrical Wiring 9 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 This equipment is not provided with a power supply cord Circuit breaker must be incorporated in the fixed wiring in accordance with national wiring regulations The circuit breaker must be approved suitable for the voltage and current ratings of equipment and have a contact separation in all poles 3 To prevent possible hazards from insulation failure the unit must be grounded 4 Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 7 Regulations on wire d
16. on Instructions Electric shock or n may result if an inexperienced person performs any installation or wiring procedures incorrectly Only a qualified electrician should attempt to install this system in accordance with the rovisions of Installation Instructions e sure to use a dedicated electrical circuit Insufficient electrical circuit capacity or inadequate workmanship may cause electric shock or fire l Always use a dedicated branch circuit for electrical wiring Do not use with any other electric devices Use with other electric devices may result in circuit breaker breaks Use the specified cables type and wiring diameter for the electrical connections and securely connect the cables Run ade fasten the cables securely so that external forces or pressure placed on the cables will not be transmitted to the connection terminals Overheating or fire may result if connections or attachments are not secure Install so that even if cooling gas leaks into the room it will not exceed the limit density of 0 3kg m3 in accordance with the standard for facility air conditioning equipment S0010 if it does exceed the limit density install an opening in a neighboring room or install ventilation equipment triggered by gas leak detection sensors Suffocation can result if cooling gas leaks and exceeds the limit density in a small room Install in a location that is fully strong enough to support the weight of the equipment If it
17. wiring such as star branch wiring Star branch wiring causes mis address setting Fig 9 4 Fig 9 3 x gt Indoor unit j Indoor unit mn L Branch point 4 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches that are less than 1m are not included in the total branch number Fig 9 5 ae 7r 7 7 7 mora than 1 m w erent Crt ora Fig 9 4 mors than 1 m lass than 1m Fig 9 5 5 Use shielded wires for inter unit control wiring c FAAN WARNING which shielded woven mesh grounded on both i i i Loose wiring may cause the terminal to sides otherwise misoperation from noise may l l overheat or result in unit malfunction A occur Fig 9 6 fire hazard may also occur Therefore ensure that all wiring is tightly connected Connect wiring as shown in Section 9 3 Wiring System Diagrams M i When connecting each power wire to the Shielded wire Fig 9 6 terminal follow the instructions on How l to connect wiring to the terminal and fasten the wire securely with the terminal 6 Use the standard power supply cables for Europe Screw such as HO5RN F or HO7RN F which conform to CENELEC HAR rating specifications or use the cables based on IEC standard 245 IEC57 245 IEC66 Ground Ground 15 9 4 How to Connect Wiring to the Terminal E 1 2 3 4 a
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