Service Manual
Contents
1. Heat Exchange Element Heat Exchange Element 600 600 Maintenance Space Maintenance Space Inspection Opening O 450 Inspection Opening O 450 Note Model FY 350ZDY8 and FY 500ZDY8 have two Note Model FY 01KZDY8Ahas four Heat Exchange Heat Exchange Element Elements Unit mm Unit mm FY 500ZDY8 FY 01KZDY8A 1134 This Energy Recovery Ventilators should be installed at the place where a larger space than the sizes shown below can be secured for the ceiling space Unit mm q Model No Ceiling Space A Model No Ceiling Space A FY 250ZDY8 FY 650ZDY8 FY 350ZDY8 FY 800ZDY8 FY 500ZDY8 FY 01KZDY8A V B Don t install it near the water heater Refrain from the following duct installation works 1 Excessive bending 2 Multi times bending 3 Making the connecting duct smaller Do not use in bathrooms or food preparation areas etc If you use the unit at the place of much soot and high humidity the filter or the heat exchange element gets clogged and disables you to use it Use the Energy Recovery Ventilators in the ambient temperature of 40 or less Never install the unit at the place where the flame likely reaches directly the unit If you use it at the atmosphere of more than 40 C for hours it is likely to cause deterioration or deformation or damage of the resin part Be careful of dewing and frosting As shown in the figure to the right s2. d Second main body Disassembly Instruction Method of remove the Heat Exchange Element and the filter Inspection Cover Picture 1 Picture 2 1 Stop operation and cut the power supply breaker 1 Turn the knob 2 pieces and the screw 1 piece The upper picture shows model FY 500ZDY8 and remove the Inspection Cover Picture 3 Picture 4 model No FY 250ZDY8 350ZDY8 500ZDY8 model No FY 650ZDY8 800ZDY8 01KZDY8A 1 Remove the Heat Exchange Element and the filter 1 Remove the filter and the Heat Exchange Element Note The quantity and form of Heat Exchange Note The quantity and form of Heat Exchange Element differ depending on the model Element differ depending on the model The quantity of Heat Exchange Element by Model No Zi ELEMENT FILTER FY 250zDY8 1 FY 350Z2DY8_ 2 FY 500ZDY8_ 2 FY 650zDY8 3 FY 800Z2DY8_ 3 FY O1KZDY8A 4 Note There are differences in the form of Heat Exchange Element between No 1 No 3 and No 4 No 6 Refer to the upper picture 3 and picture 4 1 2 2 3 3 4 13 Disassembly Instruction Method of remove the Motor Assembly FY 250ZDY8 350ZDY8 500ZDY8 Picture 5 B Picture 6 1 Remove the filter and the Heat Exchange Element 1 Pull the partition board A out to the direction XX Refer to the attached Method of remove the of arrow Heat Exchange Element and the filter 2 First remove the screw 1 piece and then re
3. 16 i E acne PATOS 7 a A di ren e x v i Detail A i FY 800ZDY8 FY 01KZDY8 F gt m N o t gt LL a When it is FY 800ZDY8 or FY 01KZDY8A Element is like this FY 250ZDY8 F Y 800ZDY8 F Y 01KZDY8A Exploded View Exploded View FY 350ZDY8 FY S00ZDY8 FY 650ZDY8 Element is like this PA Lada 4 Detail A Li e Detail B FY 650ZDY8 FY 500ZDY8 18 Parts List FY 250ZDY8 FY 800ZDY8 FY 01KZDY8A Part Name Q ty Q ty per Part No per Set Set Set F05070006A F05070006A 80ZDY20251A 25ZDY3M200B 80ZDY3M200B 01KZDY3M200B 4 Rail 6 Element 80ZDY20220 8 Element Cover 9 Chou Bolt M5 FY 350ZDY8 FY 500ZDY8 FY 650ZDY8 Part Name Q ty Q ty Q ty per Part No per Part No per Set Set Set F05070006A F05070006A F05070006A 0ZD80702 50ZD80702 0ZD80702 3 Motor gt lt M 65ZDY3M200L 77 ZD80811 6 Element 15ZD80800A 2 50ZD80800A 35ZD80220 0ZD80220 8 Element Cover 35ZD80212A 1 35ZD80212A 9 Chou Bolt M5 BT50ZD60299A 2 BT50ZD60299A S451605Q1AA 0708 400 12 Relay AP5528F P5528F P5528F XO B 8P 00 XO B 8P 00 O1 3 Motor XM 350ZDY8 2 XM 50ZDY3M200 2 Filter O1 O O O n OlOl DWI oalala o gt gt x 19 Package Packing dimension mm Model No a FY 250ZDY8 349 F
4. installation of the power source cover is inappropriate the pin connection area is likely to environment for installation it becomes necessary to install an cause a heat generation a fire and an electric shock due to dust earth leakage breaker or powder When you want to pierce the metal duct through the metal lath Never install the unit near the place where there is a fear of or the wire lath or the metal plate of the wooden facility do not leakage of an inflammable gas If gas happens to leak and stays forget to insulate electrically between the duct and the wall around the unit it is likely to cause a fire Otherwise it would cause an electric shock or an electric leakage Don t use other parts than specified including the auxiliary Don t use the unit at the other voltages than the rated one It parts for installation works If you do not use the specified could cause a fire or an electric shock shock etc Do not install the unit in locations with large amounts of oily parts it is likely to cause a drop of the unit a fire an electric Install the outdoor duct in a falling gradient toward the outside smoke such as food preparation areas It could cause a fire so as to prevent water from coming in If it is not installed so the building is likely to be flooded wetting the household effects Heat insulate the outdoor duct including the indoor side if necessary to prevent dewing If heat insulation is not adequate water
5. 9 S 22 ET soe eo eo Z i x 200 60 Equivalent External Static Pressure Pa External Static Pressure Pa Equivalen 200 pipe length 50 150 50 5 2 150 o 100 e o NE 100 E X When friction coefficient s X When friction coefficient E of pipe duct Sak 02 of pipe duct A 0 02 9 8 50 7 s 3 O ce 3 0 100 200 300 400 500 600 250 300 350 Air Volume Air Volume m h J 11 1 350 300 250 200 150 100 50 0 LLL EEE E Lu EE L E LL 0 20 40 60 80 100 120 140 160 180 200 220 Air Volume ft min Air Volume f t min I FY 500ZDY8 FY 650ZDY8 P Q Curve Efficiency Curve 220 240V 50Hz P Q Curve Efficiency Curve 220 240V 50Hz External Static Pressure Pa 70 3 ve El 2 2 2 2 a mc 50 S Extra High i foe 200 PN Equivalent _ Fauivaleal eu ping length gt Er B0 3 xu el as sp AF cx gt E 5 f When friction coefficient w of pipe duct A 02 o gt E amp When lriction coefficient k lduct A 0 02 ppal 2 0 100 200 300 400 500 600 700 5800 ca Air Volume L E zd 100 200 300 400 500 500 700 800 900 Lo l O OIL LJ 0 50 100 150 200 250 300 350 400 450 Air Volume mh Air Volume ft min 0 50 100 150 200 250 300 350 400 450 Air Volume ft minl FY 800ZDY8 Efficienc
6. FF Prohibited Dust or dirt building a up on it can lead to a lack of oxygen in Doing so will reduce binh the room any possibility of The internal fan is revolving at high Otherwise the unit will get unfit for injury speeds and can cause serious use injury And when using a stepladder etc make sure to fix it properly II Model Installation In order to prevent the reduced effectiveness of your Energy Recovery Ventilator be sure to clean dirt and dust from the filter and Heat Exchange Element at regular intervals Be sure to turn the power off and to switch Do not immerse the filter or other resin Never use water on the motor the switch the exclusive breaker off before carrying components in water 60 C or above or the Heat Exchange Element out maintenance activities Switch Failure to do so may cause dust and dirt to build up on the heat exchange element lowering its efficiency and rendering it inoperable Filter Metal brush Cautions on Safety B Read through this Cautions on Safety with care before installing the unit Described below are the way we are stimulating your attention to what you are supposed to observe to prevent dangers to the users or other people as well as loss to the property Never fail to observe the caution items described hereinafter because all of them refer to the critical matters on safety The meanings of the marks or indications are described below
7. Panasonic Service Manual This Service Manual is written for the after sail service department especially for the fix and maintenance workers Energy Recovery Ventilator sold in Europe market Model No FY 250ZDY8 FY 650ZDY8 FY 350ZDY8 FY 800ZDY8 FY 500ZDY8 FY O1KZDY8A Panasonic Ecology Systems Guangdong Co Ltd Cautions on Safety This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Described below are the way we are gaining your attention to what you are supposed to observe to prevent dangers to the users or other people as well as loss to the property The degrees of danger or damage that is likely to occur due to the wrong use ignoring the indications are categorized for explanation as marked below N DANGEROUS The column with this mark shows Impending Danger of Death or Serious Injury N WARNING The column with this mark shows Conceivable Threat of Death or Serious Injury N CAUTION The column with this mark shows Likelihood of Damage or Loss to Materials only Kinds of the items to be observed are categorized for clarification with the following pictorial symbols The marks d
8. The degrees of danger or damage that is likely to occur due to the Kinds of the items to be observed are categorized for wrong use ignoring the indications are categorized for explanation as clarification with the following pictorial symbols marked below The column with this mark shows O This pictorial indication shows Prohibited N WARN G Conceivable Threat of Death or Serious Injury The column with this mark shows Likelihood This pictorial indication shows Forced of Damage or Loss to Materials only D QD Execution WARNING Never fail to ask the sales office from which you bought the unit The external air intake opening should be positioned away from or the installation service shop to install the unit If you install it the exhaust openings of combustion gases etc The intake of by yourself any inappropriate installation works would cause an such gases could cause a lack of oxygen in the room electric shock or a fire The external air intake opening should not be positioned where discharged air may directly enter it Carry out the installation works accurately in line with this A situation like this will lead to the room being contaminated and this may pose a health risk installation work manual Improper practice of installation could cause an electric shocks or a fire Netting or something similar should be provided at the external air intake opening to prevent birds etc interfering wi
9. White Ventilation Swe Connector Connector 1 Normal Ventilation L 2 4 Bebe CRAP Blue Blu I m MN 441 2 White 2 dq Terminal White 15 Yellow Yellow Damper e board Yellow MEC Sei ES l 9 Connector Connector is V V y V Micro switch Second main body Main unit 800ZDY8 10 0uF 450VAC E CL 01KZDY8A 10 0 uF 450VAC Power Source AE Neutral MO Connector y Swi s Black MEME a nge Orange O Power Source Red Y Sunol Switch 3 Yellow pply i 220 240V single Common 3 1 SNOW 1 Air Fan phase 50Hz 9 Wis Bein ae White Extra high P Twita Operation Switch Jf Connector 0 OFF Marr ee ares 1 ON ge 7 ih py XR 3 E Air Flow Switch Eod NN paci O Orange 3 High 1 9 IB pee 4 1 Low BEL Function Select Switch T r 4 l 4 b E En Blue High 2 Blue 3 Energy Recovery High p p re White Extra high m Ventilation eyo 4 34 1 Connector Connector 1 Normal Ventilation J clu Blue HATO K em tei S yellow Yelow i Yelow y j LU d Connector Connector MC m V V 1 SWIIC
10. Y 350ZDY8 396 al EE a 5 5 795 0 0 00 4000 S 1170 1080 bottom support 90mm__ 1170 x1080 bottom support 90mm 82 1420 X1330 bottom support 90mm 98 467 KIEA as 1250 1290 66 Lum KC 1552 Model No FY 250ZDY8 FY 350ZDY8 FY 500ZDY8 1 POLY COVERS OLT COVER wagt pom Prom Eh ha Lam FDA e eee i A a 7 FOLT COVERS le E och am Ha ak j ha PEL COREL q J POLY COVER J CORNER PAL 4 3 CAP 2 4 SIDE CAP 0 0 S PACKAGE LABEL 4 B TEN ATE q 2 A CAUTION LABEL 9 POLY SHEET 10 50 ATE l lin PP 20 Package Model No FY 650ZDY8 FY 800ZDY8 FY O1KZDY8A a h K La 21 O Modification Process Modified Date Modification Process 2013 07 23 Making a new version Ver 1 0
11. ater B Do not handle switches with a wet hand It could cause an electric Don t touch with wet hands Likely to cause bad A on animals B If Energy Recovery Ventilators are not used for a long period of time switch the exclusive circuit breaker OFF for safety reasons shock Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision Cautions for Installation The system should never be used for any other purposes than intended such as for preservation of foods flora and fauna precision devices or work of art a A UF De A lt could cause deterioration of foods or other problems install at a stable place of sufficient strength Please note that there might be some places not strong enough to install due the structure of building liDo not install in locations where harmful or corrosive gasses may be present i e acidic alkali organic solvent paint gasses etc from machinery or factories Installation in such a location could cause a gas poisoning and a fire Prohibited If the power is left on any build up of dust could cause a heat generation or a fire Don t incline Energy Recovery Ventilators when removing the unit O Prohibited Otherwise water remaining inside 15 likely to drop and wet the furniture or other property O Ask the sales office or the engineering shop to perform the wor
12. body For power supply use a VVF cable with 91 6 or 92 Take the following steps on connect wires cables e Remove two screws fixing the cover of the electrical components box open the cover and connect wires cables correctly e Secure the cable drawn from the terminal board firmly with the cable holder B a large volume of air is requierd or a long duct is used switch the wire connection from Low to Extra high according to the following steps e Remove two screws securing the cover of the electrical components box and open the cover n the electrical components box change the connection of fan motor leads from High to Extra high Connector Screws securing the electrical components box cover Cable holder Tu tra 11 Electric works Main unit 350ZDY8 3 5 uF 450VAC Power Source C NEC 500ZDY8 6 0 uF 450VAC Power Source Neutral m ko A MEE EE MEL Connector Black Swi SOO et Orange 5 Orange Power Source Black a Red Y supp TB Yellow Is Wellow Y 220 240V single 3 Yellow Air Fan phase 50Hz s iz White White Blue High dE Yellow White Extra mam White Operation Switch _ Red o White Connector 0 OFF oo Bhi B 1 ON LEON Black i B
13. escribed below are samples This pictorial indication shows Prohibited O This pictorial indication shows Forced Execution Don t push a finger or a stick into the air If there is a combustible gas leakage inlet or the outlet from other appliances ventilate the A fan with a high rpm will room by opening windows injure you If operation were to be attempted in such a situation sparking at electrical contact points could cause an explosion Cautions for Operation N DANGEROUS Do not use as an air circulators for open type burners heaters Prohibited Prohibited When gas or oil stoves are used in Modification of the system is strictly Netting or something similar should the home separate equipment for prohibited be provided at the external air intake circulating the air should be used Improper practice of opening to prevent birds etc repair could cause a interfering with the unit water leakage an Nests or other foreign When any abnormal condition electric shock or a fire objects should be scorching smell or others is found Disassembly moda lead stop the operation immediately and to a lack of oxygen the switch the exclusive circuit breaker room OFF When the system needs a repair consult your dealer B Ifthe supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly
14. k Never fail to install the unit inside the heat insulting walls or in other words in the space insulated from the open air External Air Specific Caution Items Checking Location of Installation This Energy Recovery Ventilators have been designed especially for use in offices conference rooms etc Please check to ensure that neither the main unit nor the inlet outlet grill are installed in any of the following locations Locations exposed to high temperatures or Locations with high humidity Locations with large amounts of oily direct flame Do not install in high humidity locations such as smoke such as food preparation areas Avoid installing the Energy Recovery Ventilators bathrooms The unit will become inoperable if the filter or or the inlet outlet grill in locations which reach Doing so may cause a breakdown of the unit or Heat Exchange Element become clogged with temperatures of 40 or above an electric shock oil Usage under high temperature conditions may cause distortion of the filter or Heat Exchange Element or motor burn out 40 EN nece N Interior Intake Vent Make sure that Inspection Opening is provided so that filter and Do not install the unit in locations such as machinery or chemical Heat Exchange Element maintenance and periodic spot checks plants where it will be exposed to noxious gases containing of the unit can be easily carried out Refer to the Model acids alkali organic
15. lack O I Air Flow Switch b 4 3 High Damper r7 Exhaust 1 Low I Poof HSS uo 9f Blue High gt Air Fan Function Select Switch n z 1 While Extra hi Ml White 3 Energy Recovery __ High p CT Ventilation SW2 l j Connector Connector 1 Normal Ventilation L hs s xe B Black I i 41512 whit White 2 White i BENE White rv low Yellow BL Hue Ginga a board 9 o Motor y Relay 3 Connector Connector V switc Second main body P Main unit ower Source es lue c ed eL et p 650ZDY8 6 0 uF 450VAC Line PS Q gt H Power Source Neutral ES CE Connector y y SW1 range ECON ec NI Tog ccm 0 Power Source Red 4 Red Suppl 220 240V single a Sod single LONOW Air F i Red i unite White y Belt 6 2 Yellow White Extra T White Operation Switch A 1 Red White Li A 0 OFF 1 Connector 8 1 ON r7 Black Relay 1 Black o gt 6 Black Air Flow Switch I Lu A 3 High I T I Damper r 4 Red gt i 1 Low toe pare Yellow AirFan Function Select Switch 17 EE r 4 i 4 b b CI Blue High 3 Energy Recovery i High d pas Mhite Extra righ
16. likely goes indoor and wets the household properties Don t install the unit at the place of a high temperature or a flame It could cause a heat generation or a fire When it is high humid and high temperature inside the ceiling a ventilation system must be installed inside the ceiling Otherwise it could cause a fire or an electric leakage Do not install in locations where harmful or corrosive gasses may be present i e acidic alkali organic solvent paint gasses etc from machinery or factories Installation in such a location could cause a gas poisoning and a fire Connect the power line and the connecting line with accuracy using the specified cables and fix them firmly so as not to put the outer stress of the cables on the pin connecting area Incomplete connection or fixing is likely to cause a heat generation or a fire Do not install in locations with high humidity such as close to bathroom etc It could cause an electric shock or an electric leakage etc Specifications Model No FY 250ZDY8 Item Power PowerSource si x 2202400 240V 50Hz nll l Dimensions mm Width 882 xDepth 599xHeight 270 Weight kg 29 Model No FY 350ZDY8 Item Power Source Power Source ROL HZ 240V 50Hz Noise dB 32 5 33 0 30 5 31 0 22 5 25 5 32 5 33 0 30 5 31 0 22 5 25 5 Efficiency ss Dimensions mm Width 1050 xDepth 804xHeight 317 Weight kg 49 Model N
17. move the Grooved Rail re Picture o Picture 8 1 Trun two pieces of screw on the Motor ASSY 1 Unhook the Motor ASSY and remove the wired connector Picture 9 MEM Picture 10 1 Rotate the Motor ASSY around the axis 1 Pull it out to the direction of arrow and put Note Actually The color of a wheel is black outside of product 14 Disassembly Instruction Method of remove the Motor Assembly FY 650ZDY8 800ZDY8 01KZDY8A Partition Board A lt ies nn 1 1 cu Picture 11 Picture 12 1 Remove the filter and the Heat Exchange Element 1 Pull the partition board A out to the direction Refer to the attached Method of remove the of arrow Heat Exchange Element and the filter 2 First remove the screw 1 piece and then remove the Grooved Rail Picture 13 Picture 14 1 Trun 8 pieces of screw on the Motor ASSY 1 Pull it out to the direction of arrow and put and remove the wired connector outside of product 15 Disassembly Instruction Method of remove the parts of Electrical Equipment Picture 15 Picture 16 1 First remove the screw 2 pieces and then remove 1 Inside of the Electrical Equipment Box the cover of Electrical Equipment Box Disassembly Instruction Method of remove the parts of Damper Unit Picture 17 Picture 18 1 Remove the screw 3 piece 1 Put outside of product 2 Pull the Damper Unit out to the direction of arrow 2
18. o FY 500ZDY8 Item Power PowerSource si 220 240V 50Hz aw 3 Efficiency ss fom fom Weight kg 57 Specifications Model No FY 6507DY8 Item Power Source Sou Power Source 220 240V 50Hz Temperature Exchange Weight kg Model No FY 8007DY8 A Power Source Source x 220 2400 5H72 240V 50Hz Ventilation Mode as Exchange Ventilation Normal Ventilation ET Extra gh Input W 387 118 360 378 293 295 387 418 360 378 293 295 Noise dB 370 375 365370 335345 370375 365370 335345 Temperature Exchange Efficiency 9 Weight kg 71 Model FY 01KZDY8A Item PowerSource Source RROLLO BZ 240 50Hz Pressure o z Noise dB 375385 5 38 5 370375 0 37 5 33 5345 5 34 5 395405 5 40 5 390395 0 39 5 355 365 5 36 5 Temperature Exchange Weight kg 83 Note The ratings mentioned above shows the values under the external static pressure Only the noise level shows the value under the external static pressure Noise Level shall be measured 1 5 m below the center of the unit It shall be measured at the acoustic room Performance P Q curve FY 250ZDY8 FY 350ZDY8 P Q Curve Efficiency Curve 220 240V 50Hz P Q Curve Efficiency Curve 220 240V 50Hz 300 80 m qa gt 250 70
19. ote1 Model No FY 01KZDY8A has four Heat Exchange Elements Note2 Model No FY 650ZDY8 has different fan and motor locations Unit mm CRE ETRE 10 Installation Method 1 Model Installation You are required to prepare the ceiling suspension bolts nuts and washers Nut NW install the unit firmly and horizontally enough to support its weight Fig 1 Washer E f you do not fit it firmly it is not only dangerous but also easily vibrated If it is Ceiling Suspension not fitted horizontally the damper unit becomes defective in operation Caution Ceiling Suspension Bolt 610 to 12 When you are required to be cautious on prevention of vibration we recommend you to use the anti vibration ceiling suspension fixtures Never fail to make an inspection opening with 450 mm or more at the place shown on the paragraph of Cautions For Operation so that you can inspect filters Heat Exchange Elements power source and motors 2 Cautions on Installing The Unit Body Upside 2 Down Refit the ceiling suspension fixture in an opposite side If they are left as it is the foolproof function of ceiling suspension bolts do not work and will cause the danger of dropping of the unit B Printed indication is in a reversed position In particular be careful of the arrow mark 4 showing the direction of inserting a Heat Exchange Element Electric Works Ask a specialized electrical construc
20. qualified person in order to avoid a hazard If you continue the operation without removing the cause it could cause an electric shock or a fire When the system needs a repair consult your dealer Cautions on Safety Cautions for Operation It is strictly prohibited to place a container of combustible gas or liquid near Energy Recovery Ventilators or to spray it directly with the gas or liquid It could cause a fire Combustion apparatus should not be placed allowing a direct exposure to wind of Energy Recovery Ventilators Incomplete combustion could occur on the Do not wash Energy Recovery Ventilators with water It could cause an electric shock apparatus Prohibited Prohibited Do not use outside the rated voltage It could cause a fire or an electric shock plants S a Prohibited Prohibited This appliance can be used by children aged from 8 years and above and and plants persons with reduced physical sensory g Don t put a container of water on Energy Recovery Ventilators When water spills it is likely to enter inside the unit and degrade electric insulation possibly resulting in an electric or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Prohibited E Don t blow directly towards animals or Keep from w
21. solvents paint fumes etc to gases Installation for its space containing corrosive ingredients or where dust or oil mist will be produced If there are any problems concerning the location or installation of the unit please consult either store from which it was purchased or the agent who installed it When Using Always be sure to use a filter Operate the switch with certainty Never operate the on Normal ventilation Failure to do so may cause dust and dirtto In particular suddenly turning the switch during the winter when the room is being build up on the heat exchange element on and off will not only cause improper heated as this will cause condensation to lowering its efficiency and rendering it operation of the unit but will also affect the form inside the unit and in the inlet outlet inoperable relay inside the switch and may damage vent it 4 x gt gt ll Normal SJ ventilation Cautions on Safety Cautions for Maintenance It must be replaced by the manufactuer its sevice agent or similarly qualified persons in order to avoid a hazard WARNING B When the system is checked and M Don t use benzene or metal brush M The filter should be Use gloves when the power cable undergoes when cleaning the filter and heat cleaned regularly cleaning the filter or maintenance stop the operation exchange element heat exchange and switch the exclusive circuit element breaker O
22. th the unit Nests or other foreign objects should be removed That could cause a lack of oxygen in the room Choose the installation place where is endurable in quality as well as in weight then install the unit accurately with adequate strength and completeness of installation in accordance with the installation work manual Otherwise it is likely to cause an electric shock a fire a drop of the unit thus causing the injury on the human body Carry out electrical work in accordance with the laws and When the system is checked and the power cable undergoes regulations prevailing in the country concerned technical maintenance stop the operation and switch the exclusive circuit Carry out the ground work Never connect the ground wire to a gas pipe a water supply pipe a lightning conductor a ground line of a telephone etc An incomplete ground wire is likely to cause an electric shock breaker OFF Otherwise it could cause an electric shock standard and explanation for work and make absolutely sure that an exclusive circuit is used Any insufficient capacity of power circuit and improper work can result in electric shock and fire hazard Provide an exclusive circuit breaker that can completely break contacts on all the poles by more than 3mm through direct connection to the power terminals Depending upon the Install the power line and the connecting line with accuracy so the power source cover may not float If the
23. tion operator for advice regarding wiring in accordance with Technical Standards for Electrical Equipment and Interior Wiring Regulation Connect wires cables indicated by broken lines Power Source E lle i e cl ux Line d 250ZDY8 2 0 uF 450VAC Power Source O Neutral S TA VTS ee Connector Black 57 Black SS SW Capacitor range Orange Power Source 4 Red Switch upply 220 240V single WR 50Hz eae ite Blue High Operation Switch MB 14 Whi White Extra White CT m Eo en onnector T j lr ee Ru 1 ON E Black 5 Black A a Capacitor o i i L Orange 5 Orange Air Flow Switch y 9 3 High 3 Hig Yellow AE Blue High 2 Blue diis 1 Low ys Function Select Switch 1 ES High Ld ae White Extra high 3 Energy Recovery E ES Ventilation SW2 1 ERE Blue dac Inan E bi L 1 Normal Ventilation de Grey 18 2 To find out the function of each switch refer to Page 7 of the Owner s manual white White White EE Yellow Ec board Yellow Yellow go 1 d Relay 3 Connector Connector Lo Micro switch Second main
24. uppose a high temp absorbing air condition A and a low temp absorbing air condition B are plotted on the air line figure then a high temp air A is heat exchanged by the unit and goes out of the saturation curve as shown by Point C In this case the unit will be dewed or frosted To avoid this you are required to heat a low temp air B up to B so as to get C below the saturation curve before using the unit Absolute humidity kg kg Dry bulb temperature Name and Dimension of Each Part FY 250ZDY8 FY 350ZDY8 FY 500ZDY8 Model No EA Room Air CD Exhaust Air lt LL AN Outside Air Supply Air SI p 4 13x30 Oval hole Applicable Duct 150 x A s Frases sz s se e we we m sm wa oo we m a 99 Model No FY 650ZDY8 FY 800ZDY8 FY 01KZDY8A 4 13x30 Oval Hole Applicable Duct Nominal Diameter FY 650ZDY8 200 FY 800ZDY8 250 FY 01KZDY8A Number Fame E ema A ICE Note1 Model No FY 350ZDY8 and FY 500ZDY8 have two Heat Exchange Element Note2 Model No FY 350ZDY8 and FY 500ZDY8 have different fan and motor locations Lx 9 pom peg we we IC 3m m eme p o3 mm Lm NM A e em N
25. y Curve 220 240V 50Hz FY O1KZDY8A 500 P Curve Efficiency Curve 2320v 240V 50Hz 500 70 8 Exchange Efficiency a Exchange Efficiency CR ET ET 250 300 TERRE ANNO LEE PS an 3 N 100m LLN FSI ep External Static Pressure Pa External Static Pressure Pa e n a a E 200F gt p pee N INNL LAA TULKI Lp A 150 NN 8 150 i 2 LLL AI T T T LL LANI LLK 100 V XX gt 2 of pice duct A 0 02 100F S E of pipe duet ud 04 Lon 1 BERE LL ki 90 KN 0 5 20 LIL JS 100 200 300 400 500 600 700 800 900 1000 1100 1200 100 200 TEM 500 600 700 800 900 1000 1100 1200 130 Air Volume mh Air Volume es j j j 0 100 200 300 400 500 800 700 100 200 300 400 500 500 700 Air Volume ft min Air Volume timin Cautions for Operation Never fail to make the inspection opening at the specific place on the ceiling so you can perform the constant cleaning or the equipment checking of filter and heat exchange element NW The inspection opening shown below is necessary to clean the heat exchange element and the filter as required If not cleaned they are likely to get clogged resulting in degradation of performance Unit Body Unit Body HA RA EA ali Exhaust Air lt Exhaust Air lt OA gt SA uel PAPO E Outside Air E Air
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