INSTALLATION MANUAL
Contents
1. 387 509 OUTDOOR AIR 405 Lj N EE e d Cof DRAIN PIPE 1 FOR HORIZONTAL DISCHARGE nE_eo e eM eM eM ee ee eM Pe ee M M ee ee Pm Pe ee em eee ee ee eK SK Back view of the unit 187 VERTICAL RETURN AIR 771 1302 VERTICAL SUPPLY 344 FOR VERTICAL DISCHARGE Model UATYO700 WITH ECONOMIZER OPTION 268 586 558 610 187 509 539 405 DRAIN PIPE 1 FOR HORIZONTAL DISCHARGE Back view of the unit 693 2209 216 923 315 10 1454 MA M MA MA M i i pq quPEE_ i m m m m Ta m Ba M s All dimensions are in mm 09908090050 172 770 frase OUTDOORAR VERTICAL RETURN AIR 610 VERTICAL SUPPLY 581 281 FOR VERTICAL DISCHARGE REFRIGERANT CIRCUIT DIAGRAM Model UATYQ 250 350 450 550 600 amp 700 Item Description Electronic Expansion Valve Cooling Operation Note UATYO350 450 550 600 amp 700 consists of 2 circuits in the system b Item no 15 amp 16 are applicable for UATYO350 only c Item no 17 is applicable for UATYO700 only 11 INSTALLATION MANUAL This manual provides the procedures of installation to ensure a safe and good standard of operation for the air conditioner unit Special adjustment may be necessary to suit local requirements Before u2. 13 I 60 544 __ 540 68 at 0 4 M 300 300 N i O 1784 1908 P 300 300 Q 481 47 OR 1469 1998 Note All dimensions are in mm 14 Seal with tar Roof curb SECTION Y Y unit Lifting Holes at 4 corners of the unit base are used for unit lifting purpose The spreader bar shall be slightly wider than the unit width The insulation should be added at 4 corners of the chain to prevent the damage of the panel when lifting Note Unit shown in diagram is UATYO250 Other models will follow the same method in lifting E Drain Piping A 1 MPT condensate drain fitting is provided The drain pipe can be led out at the front side Thedrain pipe must be provided with a trap on the outside of the unit and also installed at an incline for proper drainage as shown in the right To prevent condensate formation and leakage provide the drain pipe with insulation to safeguard against sweating Upon completion of piping work check that there is no leakage and that the water drains off properly Lifting beam Yi 1 7 4 27 22 22 DG enno 1 777 4 Lh YY iy yg 2210 Lifting holes for shackle 4 corners The drain piping should have a drain trap SK Y x 7 Drain piping 0mm 2 2C Draintrap The
3. DAIKIN INSTALLATION MANUAL Model UATYQ250MCY 1 UATYQ350MCY 1 UATYQ450MCY 1 UATYQ550MCY 1 UATYQ600MCY 1 UATYQ700MCY 1 Installation Manual Rooftop Package Units Installationshandbuch Kompaktanlage Fur Dachmontage Manuel D installation Conditionneurs D air En Toiture Installatiehandboek Compactsysteem Voor Dakmontage Manual De Instalaci n Unidades Del Conjunto Del Tejado Manuale Di Installazione Unit A Pacchetto Per Installazione Sul Tetto Eyxstpidto ykat otaonq AUTOVOHEC Manual De Instalacao Unidades De Conjuntos De Telhado Instrukcja instalacji Urz dzenia dachowe typu rooftop Kurulum k lavuzu at Tipi Ambalaj niteleri Installationsmanual Paketenheter f r Takovansidor English Deutsch Fran ais Nederlands Espa ol Italiano EAAnvika Portugu s Polski T rkce Svenska IM 5RTBR 0710 0 DAIKIN DENV Part No R08019035377 OUTLINE AND DIMENSIONS Model UATYO250 All dimensions are in mm 437 c U 2 un S E Oo pm O 850 786 437 117 544 379 513 85 2063 180 22 gl e e 45 LN o A 3 2 51 i A ee DRAIN PIPE 1 o8 Jj
4. Note To install the unit with economizer kit follow the recommendations given in part B iii under chapter OPTIONAL ACCESSORY in this manual AX CAUTION Do not install the unit at altitude over 2000m B Duct Construction This unit are equipped with supply and return air openings Duct connection to the unit should be made with duct flanges and secured directly to the air openings with flexible duct connectors to avoid normal noise transmission To prevent air leakage all duct seams should be sealed Ducts in the spaces that not air conditioned must be insulated Ducts exposed to the outside must be weather proofed Ducts that entering building through the roof the entering should be sealed with weather stripping to prevent rain sand dust etc from entering the building Correct size of filter must be installed at the return air duct 13 ESI Unit Support For down throw unit only O The figure shows the use of the roof curb for mounting these units Unit The curb should be sealed and fixed to the roof by weather stripping A suggested means of sealing the unit and roof curb as shown in the right Roof deck Recommended roof curb dimension is shown below 1 EN mE NN Er SECTION X X All SECTION Z Z po Hb Model UATYO 250 350 450 550 600 700 A 355 355 B 1506 2081 700 D 315 410 E 315 410 F 0 __ G 314 237 H 0
5. Compliance standards To follow local and national regulations Theeconomizer controller comes with a build in software which is ready with the integration of CO sensor It is activated only in economizer mode User is allowed to choose the different threshold value selection via Dip switch 3 Refer to hardware setting guideline provided in part D v under chapter CONTROL OPERATION GUIDE in this manual for CO PPM level threshold value selection For example To use a CO sensor with measuring range from 0 5000 PPM with the threshold value at 1250PPM user needs to do the following steps Step 1 Enable SW4 in the only Dip Switch in controller main board to ON position default factory setting is in OFF position Step 2 Enable panel parameter G6 economizer control in remote controller to 1 ON position default factory setting is in 0 OFF position Step 3 Ensure SW2 in Dip Switch 4 Economizer controller board is in OFF position default factory setting is in OFF position Step 4 Enable SWI in Dip Switch 3 Economizer controller board to ON position default factory setting is in OFF position SW1 in Dip Switch 3 25 by calculation means 2596 of 5000 PPM or equivalent to 1250 PPM fthe selected CO sensor is exposed to outdoor environment it is recommended to cover the sensor with a box for water proof purpose as well as to avoid the direct accessible to the LIVE part when sensor is turned ON Then conne
6. Y horizontal return MVA YY Y Y MN A vA Y YN ER um V Rain hood Metal cover for horizontal return Note Unit shown in the diagrams from step 1 to step 9 are UATYO350 Other models shall follow the same method 3 E Commissioning i ii iii iv v vi vii Airflow Resistance Airflow resistance refers to pressure drop caused by the economizer kit Before installation it is recommended to check the pressure drop table which is provided in Engineering Data Book in order to do a correct design selection Performance Adjustment Performance of the unit will derate when the unit operates with fresh air mode it depends on user s selection Before installation it is recommended to check the correction factor table which is provided in Engineering Data Book in order to do a correct design selection Mode Selection Generally the kit provides two mode selection which are Economizer Mode and Fresh Air Mode Economizer Mode Provide free cooling when the outdoor air temperature is suitable It can used alone or in conjunction with mechanical cooling Fresh Air Mode Provide minimum fresh air that is necessary for ventilation or local requirements Note Refer to hardware setting guideline provided in part D v under chapter CONTROL OPERATION GUIDE in this manual for mode selection Minimum Fresh Air Selection T
7. fastens 1pc screw 4 12 item 14 on the support bracket of the damper Do not fully insert the screw thread but only insert up to 2 3 of the screw thread Mount the actuator to the support bracket by bringing the support bracket closer to the shaft of damper The function of screw M4x12 is to lock the actuator from slipperry during modulation Next put the clamp into the shaft and lock the actuator with circlip Fasten the nuts of clamp tightly by using adjustable spanner Noted that clamp and circlip come together with actuator as the standard parts you may find these parts inside the actuator box 35 P Circlip 2pcs of Nuts screw tightly Clamp CEN Details view for clamp STEP 7 a Mount the actuator to the shaft of damper then lock with circlip and clamp b Insert screw M4x12 then bring the support bracket closer to the shaft of damper Note support bracket is located on the top of damper Item 2 Circlip 1 Clamp Item 1 with label OA Labelled with R v 2 Detail view for actuator 27 Support bracket S Fasten M4x16 screw on this hole do s notfully insert the screw thread but Ss insert only 2 3 of the thread Connect Belimo actuator LF24 SR item 1 with label RA which is now located at the assembly damper on the indoor base panel to terminal block with label RA inside the junction box Th
8. 11 support bracket return air damper item 10 Belimo actuator LF24 SR item 1 which are already assembled in step 3 and step 4 into front panel of the unit by using the same screw holes Use screw M5x16 item 13 for fastening purpose CAUTION Extend the return air sensor which is located inside the unit on top of return air opening to the outside area of the unit This can be done by routing the sensor through small holes on support bracket return air damper item 10 The sensor is then located properly inside the return air duct by using the cable ties field supply Failing to do so may affect the performance of the unit and cause thermal discomfort to the users Detach metal brackets on front panel Front panel of a the unit Item 10 item 11 Use any three holes below on item 10 to route the return air sensor to the outside of the unit the unit Mount item 1 item10 item 11 into front panel o Front view of item 10 STEP 6 Mount 1pc Belimo actuator LF24 SR item 1 labelled with OA to the side panel with outdoor air damper item 2 Align and insert the hole of actuator to the shaft of the damper CAUTION 1 The default setting for outdoor air damper item 2 shall be fully closed Ensure this damper is in fully closed position before mount the actuator Fail to do so will cause errors during the unit normal operation CAUTION 2 The sur
9. drain pipe should gt AXESP extend below this level Note e ESP External Static Pressure Drain trap for condensate 15 F Space Required Around Unit Refer diagram below for the space required around the unit Note that All dimensions shown are in mm All space value shown are minimum clearance required for the unit Unit shown in the diagram is UATYO250 Other models shall follow the same clearance Blower amp motor Electrical control service circuit service 1200 Condenser Condenser air outlet air inlet fa Air filter service i mpr r servi Evaporator coil Compressor service service Additional space or clearance is required when economizer kit is installed Whenever the unit is equipped with economizer kit the space required around the unit with economizer kit shall follow the diagram below Blower amp motor Electrical control service circuit service 1200 Condenser air outlet Condenser air inlet gt Air filter service Xx Evaporator coil Compressor service amp economizer kit service Air filter for economizer kit service Note X Noobstacles and no accumulation of snow or water shall be allowed in this area 16 r3 Unit Conversion In the case of conv
10. knockout holes are only available in UATYO250 UATYQ350 UATYQ450 UATYQ550 UATYQ600 amp UATYQ700 comes with a power cable hole UATYQ250 UATYQ350 450 550 600 amp 700 Recommended switch box position Power cable Terminal block Power cable seal off the knockout Control wire Control wire holes after installation Terminal block Wiring Example And Selection Of Circuit Breaker Model Power cable Breaker Over current Earth cable capacity A protection switch A mm UATYQ250 UATYQ350 6 3 40 6 UANYOO0 25 80 8 25 Note A main switch or other means for disconnection having a contact separation in all poles must be incorporated in fixed wiring in accordance with local and national legislation e The unit is to be wired directly from an electrical distribution board either by a circuit breaker preferred or HRC fuse Fix the power supply wiring to control module Connect control wiring to control terminal block through the control box s hole Earth wiring must be connected The power supply cord must be equivalent to HO7RN F which is the minimum requirement and to be used in protective tube There must be an all pole disconnection in the supply mains with a contact separation of at least 3mm 19 Before working in this unit isolate it from the power supply Electrical wiring to this unit and the remote controller shall be insta
11. label OA then lock with circlip and clamp b Insert screw gt udi M4x12 then bring A adi the support bracket closer to the shaft of damper Note 5 t bracket i upport bracke pan bel N Fasten M4x16 screw on t hole do lt not fully insert the screw thread but Pi damper p E insert only 2 3 of the thread 31 STEP 7 Connect Belimo actuator LF24 SR item 1 with label RA which is now located at the assembly damper on the front panel to terminal block with label RA inside the junction box There are four wires on the actuator with different colours black red green and white colours Connect the wires as below Black colour wire connect to first pole of TO PCB3 ECO TO PCB3 ECO TO PCB3 ECO terminal block with label GND is al zur Cd ae Red colour wire connect to second pole of terminal block with label D 24V Sticker wiring Green colour wire connect to third pole of diagram on terminal block with label DCV the front cover White colour wire connect to fourth pole of of junction terminal block with label FB box You may refer to sticker wiring diagram which is ACTUACI N located on the front cover of junction box Ah CAUTION Wrong wiring connection may cause the malfunction on actuator or economizer controller board or both Tie the wires with releasable cable ties under the junction box Then connect Belimo actu
12. system Beside that the output pins for auxilliary electrical heater are shown as well Thermostat Control TB THM I at Alarm 3 aaa E Defrost 5 a i output Output Output signal E 3 iL D ii 1 2 02 5 KOK A A A A 37 Connect to m en E third party M oie S g KISIS S ee ee NE controller EOS E AA APA AA AAA pes 900000 3 L Connect to Connect to heater 1 heater contactor wT contactor Unit Cool Cool on Heat Heat mode set Connect to BMS System I swa al e x 1 Q 0 09 09 Q9 Q0 M ggespBesbesssHass Lin porno Ou wa Controller Main Board iv Auxilliary Electrical Heater Output HTR1 and HTR2 v 24 e There are two output pins HTR1 and HTR2 on controller main board which are used to energize the heater contactor The contactor must be selected accordingly to avoid any safety issue s The heater shall be installed in accordance with local and national legislation It must comply with EN60335 2 40 Thermal fuse s shall be installed on the heater to eliminate any danger or damage on the heater unit This is especially critical when there is any malfunction happen to controller main board or blower The heater shall be in a safe location whereby no risk of damage could be happen on the unit U
13. vacuum pump for R410A exclusively Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit iii The refrigerant should never be released directly into the environment iv When charging R410A ensure that only liquid is being withdrawn from the cylinder or can Dip pipe Invert cylinder without dip pipe Liquid withdrawal 26 Normally the R410A cylinder or can is being equipped with a dip pipe for liquid withdrawal However if the dip pipe is not available invert the cylinder or can so as to withdraw liquid from the valve at the bottom A caution B R410A must be charged as liquid Usually R410A cylinder is equipped with a dip pipe for liquid withdrawal If there is no dip pipe the cylinder should be inverted so as to withdraw liquid R410A from the valve unit with fresh R410A according to the amount recommended in the specification B Do not top up when servicing leak as this will reduce the unit performance Vacuum the unit thoroughly and then charge the TROUBLESHOOTING For any enquiries on spare part please contact your authorized dealer If any malfunction of the air conditioner unit is noted check the following fault conditions and causes for some simple troubleshooting tips Unit does Power failure Fuse blown or circuit breaker tripped Power supply wiring phase incorrect Compressor does not Protection against freguent starti
14. 11 item 12 into indoor base panel as shown below Mount item 1 item11 Item 11 item 12 into indoor base Item 12 panel Use any three holes below on item 12 to route the return air sensor to the outside of the unit 1 o o Front view of item 12 Indoor base pane of the unit STEP 6 Mount 1pc Belimo actuator LF24 SR item 1 to the side panel with outdoor air damper item 2 Align and insert the hole of actuatorto the shaft of the damper CAUTION 1 The default setting for outdoor air damper item 2 shall be fully closed Ensure this damper is in fully closed position before mount the actuator Fail to do so will cause errors during the unit normal operation A CAUTION 2 The surface of actuator which is facing upward outside shall be labelled with R symbol to ensure the rotation of actuator modulation in counter clockwise direction Fail to do so will cause errors during the operation of unit with economizer function Notes There are 2pcs of Belimo actuator LF24 SR item 1 in economizer kit which come together with carton boxes Open the boxes and recognize the label on the wire The actuator used in step 6 is the one with label OA gm ie 5 WY 7 gt IY NN 2pcs of item 1 in Open the box Recognize the label on the wire One of them carton boxes is indicated with RA while the other is OA Then
15. ARGE 2209 VERTICAL RETURN VERTICAL SUPPLY AIR 1130 FOR VERTICAL DISCHARGE a gt CENTER OF GRAVITY Model UATYO450 WITH ECONOMIZER OPTION All dimensions are in mm 223 709 265 544 651 614 136 2113 DRAIN PIPE 1 FOR HORIZONTAL DISCHARGE 164 630 562 2209 VERTICAL RETURN AIR 207 614 710 1130 00 A SUPPLY 613 237 FOR VERTICAL DISCHARGE Model UATYQ550 600 700 All dimensions are in mm 2739 EA 012 199 268 586 558 610 187 2670 509 405 168 DRAIN PIPE 1 1162 1069 FOR HORIZONTAL DISCHARGE VERTICAL RETURN VERTICAL SUPPLY AIR FOR VERTICAL DISCHARGE Model UATYO 550 4 CENTER OF GRAVITY Model UATYQ550 WITH ECONOMIZER OPTION All dimensions are in mm 2739 DRAIN PIPE 1 172 770 FOR HORIZONTAL DISCHARGE El sc ll OUTDOOR AIR i ee eM eM eM Pe em ee em ee ee em eee em ee PP ee ee ee eee ee eK SK Back view of the unit VERTICAL RETURN AIR CONTROL l l 1 I l l Box El l l l l l l l 1048 VERTICAL SUPPLY L 281 FOR VERTICAL DISCHARGE Model UATYQ600 WITH ECONOMIZER OPTION All dimensions are in mm 210
16. B BMS I Rated voltage Rated current Wire size On Off 24V AC 5mA Operating mode 24V AC AWG18 22 Cool Heat set point Na 4 20mA Note When the controller main board is configured as BMS control the remote controller is used for monitoring purpose only Unit needs to be restarted power off and on whenever dip switch setting is changed iii Dry contact output TB BMS O e For TB BMS O there are 4 monitoring outputs error alarm output1 output2 and defrost signal Refer table below for installation recommendations Input TB BMS O Rated voltage Rated current A Wire size Alarm output AL 230V AC 125V AC 30V DC 1 3 3 AWG18 22 Output1 O1 230V AC 125V AC 30V DC 2 3 3 Output2 O2 230V AC 125V AC 30V DC 3 3 3 Defrost signal DFRT 230V AC 125V AC 30V DC 4 3 3 The output signals will vary depending on the configuration of controller main board whether it is thermostat control or BMS control 1 For thermostat control the outputs are indicated as shown in the table below Thermostat input Defrost SW1 ON ERROR DEFROST Alarm output Output Output2 Remark X Dont care 2 For BMS control the outputs are indicated as shown in the table below BMS input Alarm Defrost SW3 ON output Output Output2 Signal OPERATING COOL HEAT MODE SET POINT A t care The diagram below shows the position for terminal blocks in the controller main board which are used for thermostat control and BMS
17. D will display the main screen upon power up When malfunctioning occur a pop up message will appear on the LCD with backlight blinking and beep sound d Optional Configurations The controller main board can be used as the interface for thermostat control and BMS system i Thermostat control TB THM I Touse this control set Dip Switch Setting SW1 ON default is OFF Follow the method below for thermostat control inputs G Y1 Y2 W1 W2 Mode Operation po pop o ofer indoor fan on 1 9 X X tool Y stage compressor _ X 1 0 Heatpump Heater 1 stage compressor GC ES 3C 1 1 1 HesipumerHesier sage compressor Remark X Don t care 22 e Refer table below for installation recommendations Input Rated voltage Rated current Wire size G 24V AC 5mA AWG18 22 O wv W Note Whenthe controller main board is configured as thermostat control the remote controller is used for monitoring purpose only Unit needs to be restarted power off and on whenever dip switch setting is changed ii BMS control TB BMS I e To use this control set Dip Switch Setting SW3 ON default is OFF and panel parameter G8 to 1 default is 0 Note e G8 Control Type nnn O Panel OF 42345678 1 BMS 2 DEG e For TB_BMS I there are 3 control inputs unit on off operating mode cool 0 heat 1 and set point 4 20mA Refer below table for installation recommendations Input T
18. ator LF24 SR item 1 with label OA which is now located at the assembly damper on the side panel to terminal block with label OA inside the same junction box Follow the same method used for wiring connection between actuator RA and terminal block RA Next attach the side panel to the unit You may need to do proper arrangement on the actuator wires by using cable ties field supply before attach the side panel to the unit Label RA Label OA Terminal block with label RA to be connected With actuator with label RA Ue sls E EEE Ke A VA EY AA AY HW Ole 4 XM VA AA A IN AM KAN MACAO AAN WN i Terminal block with label OA to be connected with actuator with label OA Side panel in standard Side panel comes with Detail view of junction box unit which is removed in economizer kit which is step 5 assembled with actuator in step 6 Attach this panel to the unit STEP 8 To build the rain hood install the loose parts metal parts to the side panel Before that place the gasket field supply on the side panel for sealing purpose Then follow the installation sequence below to build the rain hood tem 2 gt gt ltem 7 gt Item gt Item 4 gt Item ea P item Does MEMO gt Sealant Side panel with outdoor air damper item 2 whi
19. ce in the interface point may be obtained from the supply authority Model Maximum impedance Z ohm If the mains supply has a higher system impedance short voltage dips may appear when the equipment is started or during operation This may influence or disturb the operation of other apparatuses e g flickering lamps especially those connected to the same supply mains 18 WIRE CONNECTION All electrical work must be carried out by qualified electrician and accordance with local supply requirement and associate regulation Method for connecting electric wire Before connecting the wire consult the electric power company of jurisdiction 1 The entire wiring diagram of unit Power supply Main switch fuse held supply Power supply wiring for unit Remote control Connection wiring for unit amp remote controller 2 Wiring connection to unit Route the power supply wires and control wire through the knockout holes or cable holes in the unit Remove the service panels and connect the units power supply wires to terminal block inside the control box as shown Make use of push releasable cable ties which are located at the bottom of control box to hold the power supply wires properly Note While installing the circuit breaker onto the unit make sure that the screws do not damage the components e g coil inside the unit The switch box also can be installed without attaching to the unit The
20. ch is assembled to the unit __ in step 7 2 Itis recommended to seal off all the joints and gaps with weather proof sealant such as silicone field supplied item in order to ensure a water proof finishing on the rain hood STEP 9 Finally you may see the unit with economizer kit as shown in the diagram below Return air damper Note Unit shown in the diagrams from step 1 to step 9 are UATYO350 Other models shall follow the same method ii Down return vertical application STEP 1 Disconnect power supply to the unit and install a safety lockout tag before installation commisioning or service of the economizer unit Prepare all the tools required as mentioned above STEP 2 Unpack the wooden crate of economizer kit by using crowbar and hammer Then remove the polybags containing loose parts and fasteners by using cutter Perform preinstallation checking as mentioned above STEP 3 Attach support bracket down throw item 12 to return air damper item 11 by using screw M5x16 item 13 provided in the kit Screw item 12 to item 11 Item 12 Item 11 STEP 4 Mount 1pc Belimo actuator LF24 SR item 1 to return air damper item 11 Align and insert the hole of actuator to the shaft of the damper CAUTION 1 The default setting for return air damper item 11 shall be fully opened Ensure this damper is in fully opened position before mount the actuator Fail to do so will cause errors
21. chapter INSTALLATION OF THE UNIT in this manual In addition there is a need to consider the installation condition around the kit whereby Theclearance of the rain hood from the floor shall always have no snow nor water accumulation e The fresh air inlet does not face prevailing wind direction The outdoor air shall be always clean and no odor complies with the limit of concentration for several contaminants set by local standards and does not exceed the threshold limit value TLV for toxicity specified by local standards Damper Function Check the two dampers in the economizer kit which are item 2 and item 11 by turning the shaft of damper 90 and 90 fully opened to fully closed or vice versa The damper turning shall be smooth and easy Any damages or abnormalities shall inform to authorized service division Iren Tools And Materials Required For Installation i ii iii iv v vi Electric screwdriver with assorted sockets vii Adjustable spanner small size Electric driller with assorted sockets viii Crowbar and hammer Small flat blade screwdriver ix Weather proof sealant such as silicone Cutter x Gasket Philip type screwdriver xi Safety lockout tag Measurement tape or ruler xii Cable tie Installation Guidelines i Side return horizontal application STEP 1 Disconnect power supply to the unit and install a safety lockout tag before installation commisioning or service o
22. co N 872 788 FOR HORIZONTAL DISCHARGE 97 VERTICAL RETURN AIR 513 384 VERTICAL SUPPLY 537 FOR VERTICAL DISCHARGE 4 CENTER OF GRAVITY Model UATYO250 WITH ECONOMIZER OPTION 117 405 369 398 DRAIN PIPE 1 872 FOR HORIZONTAL DISCHARGE OUTDOOR AIR All dimensions are in mm 191 808 180 214 QUTDOORAIR j Back view of the unit 277 522 1638 L 1 97 VERTICAL RETURN AIR 5 513 384 1660 VERTICAL SUPPLY 5 537 FOR VERTICAL DISCHARGE Model UATYQ350 405 250 395 DRAIN PIPE 1 FOR HORIZONTAL DISCHARGE Back view of the unit 2209 4 CENTER OF GRAVITY 614 1000 All dimensions are in mm 2113 22 VERTICAL RETURN VERTICAL SUPPLY FOR VERTICAL DISCHARGE Model UATYO350 WITH ECONOMIZER OPTION All dimensions are in mm 223 709 265 544 651 614 136 2113 DRAIN PIPE 1 FOR HORIZONTAL DISCHARGE 164 630 N 1 3 Back view of the unit CE OUTDOOR AIR VERTICAL RETURN AIR 166 710 1028 VERTICAL SUPPLY AIR 175 FOR VERTICAL DISCHARGE Model UATYO450 All dimensions are in mm 1000 265 544 651 614 136 2113 405 328 395 DRAIN PIPE 1 FOR HORIZONTAL DISCH
23. ct the wire from CO sensor to the junction box in the indoor compartment of the unit There are three wires on CO sensor Connect the wires as below System ground wire connect to first pole of terminal block 02 with label GND 24VDC livewire connect to second pole of terminal block with label 24V Output feedback signal wire connect to third pole of Sticker wiring terminal block with label FB on You may refer to sticker wiring diagram which is located on t E ront cover the front cover of junction box oe ACTUATOR RA ACTUATOR OD C02 SENSOR Ay CAUTION Wrong wiring connection may cause the malfunction on CO sensor or economizer controller board or both Tie the wires with releasable cable ties under the junction box Label OA Label CO A V my MA A VAN W a i I VA AA Y A a lh a II EM LEE AN AV AY Y YN Terminal block with label CO to be connected with CO sensor Junction box Detail view of junction box i ii 40 Others Limitation Of Economizer Kit In Thermostat Control Thermostat control is used with third party contro
24. ctrical wiring must not touch the refrigerant piping or any moving parts of the fan motors Confirm that the unit has been switched OFF before installing or servicing the unit Disconnect from the main power supply before servicing the air conditioner unit DO NOT pull out the power cord when the power is ON This may cause serious electrical shocks which may result in fire hazards Keep the air conditioner units power cable and transmission wiring at least 1m from TVs and radios to prevent distorted pictures and static Depending on the type and source of the electrical waves static may be heard even when more than 1m away AX CAUTION Please take note of the following important points when installing a Do not install the unit where leakage of flammable gas may occur If gas leaks and accumulates around the unit may cause fire ignition Ensure that drainage piping is connected properly If the drainage piping is not connected properly it may cause water leakage O o not overcharge the unit This unit is factory pre charged Overcharge will cause over current or damage to the compressor Ensure that the unit s panel is closed after service or installation Unsecured panels will cause the unit to operate noisily Sharp edges and coil surfaces are potential locations which may cause injury hazards Avoid from being in contact with these places Before turning off the power supply set the remote cont
25. during the unit normal operation 33 CAUTION 2 The surface of actuator which is facing upward outside shall be labelled with L symbol to ensure the rotation of actuator modulation in clockwise direction Fail to do so will cause errors during the operation of unit with economizer function Note There are 2pcs of Belimo actuator LF24 SR item 1 in economizer kit which come together with carton boxes Open the boxes and recognize the label on the wire The actuator used in step 4 is the one with label RA E OR HE 2pcs of item 1 in Open the box Recognize the label on the wire One of them carton boxes is indicated with RA while the other is OA Then fastens 1pc screw M4x12 item 14 on the support bracket of the damper Do not fully insert the screw thread but only insert up to 2 3 of the screw thread Mount the actuator to the support bracket by bringing the support bracket closer to the shaft of damper The function of screw M4x12 is to lock the actuator from slipperry during modulation Next put the clamp into the shaft and lock the actuator with circlip Fasten the nuts of clamp tightly by using adjustable spanner Noted that clamp and circlip come together with actuator as the standard parts you may find these parts inside the actuator box Circlip C 2pcs of Nuts Y H screw tightly Labelled 1 Clamp with L ES T Details view for clam
26. e placed in between the metal cover and flange Besides that weather proof silicone shall be applied on all thejoints screw holes and gaps to ensure water tight condition Notes Refer Engineering Data Book for blower curve and technical data of variable pitch pulley 17 PHYSICAL DATA Heat Pump R410A Model UATYQ250 UATYO350 UATYO450 UATYQ550 UATYQ600 UATYO700 Refrigerant R410A Refrigerant charge kg 5858 72 72 8787 104104 116 116 ICON 3300 4300 5650 6700 7300 8300 Vaporator alr TIOW i 1557 2029 2667 3162 3445 3917 mq TO External static pressure mE 8230 6000 6000 6050 6050 6450 6450 10100 10100 10600 10600 onaenser alr TIOW 3884 2831 2831 2855 2855 3044 3044 4767 4767 50035003 Control wire length Standard Max Size mimm 15 100 3 Compressor Type Quantity Scroll 1 Scroll 2 Scroll 2 Scroll 2 Scroll 2 Scroll 2 Air filter Type Quantity Washable Saranet 2 Air filter dimension Length x Width xThickness mm 880x467x4 1126x385x4 1126x435x4 1497x392x4 1497x495x4 1497x595x4 ELECTRICAL DATA Heat Pump R410A Model UATYQ250 UATYQ350 UATYQ450 UATYQ550 UATYQ600 UATYQ700 The equipment fulfils the requirements in EN 61000 3 11 and is subject to conditional connection to the mains It may be connected in consultation with the supply authority The equipment may only be connected to a mains supply with a system impedance of less than the value stated in table below The system impedan
27. ere are four wires on the actuator with different colours black red green and white colours Connect the wires as below Black colour wire Red colour wire Green colour wire White colour wire connect to first pole of terminal block with label GND connect to second pole of terminal block with label 24V connect to third pole of terminal block with label DCV connect to fourth pole of terminal block with label FB You may refer to sticker wiring diagram which is located on the front cover of junction box A TO PCB3 ECO CN_ACT_RA ACTUATOR RA CAUTION TO PCB3 ECO CN_ACT_OD ACTUATOR OD TO PCB3 ECO CN C02 Sticker wiring diagram on the front cover of junction box C02 SENSOR Wrong wiring connection may cause the malfunction on actuator or economizer controller board or both Tie the wires with releasable cable ties under the junction box Then connect Belimo actuator LF24 SR item 1 with label OA which is now located at the assembly damper on the side panel to terminal block with label OA inside the same junction box Follow the same method used for wiring connection between actuator RA and terminal block RA Next attach the side panel to the unit You may need to do proper arrangement on the actuator wires by using cable ties field supply before attach the side panel to the unit el WE MAA x ua VA SEN VANA IN WM Side panel i
28. erting standard unit to downthrow unit follow the steps as stated below UATYO250 350 450 550 600 amp 700 1 gt gt gt 9p vvv Remove screws at both sides Detached blower A Remove the emove the side panel EON Detached the blower support For UATYO250 For UATYO350 450 550 600 amp 700 The two side plates are screwed on the blower support as shown The two downflow structure are screwed to blower S Cover the gt ES horizontal supply A Install back the pulley Y opening with the oj belt Adjust the belt blower support tension by moving the that detached motor base from the blower and screw tightly gt C Refer Note 2 O O Cover the horizontal Remove the side Turn the blower to face bottom return opening with the panel at return side Screw at both sides cover and screw tightly Unscrew the vertical return Refer Note 2 cover from the base panel Lastly install back the side panel Install back the pulley belt Adjust the belt tension Lastly install back the side panel Refer Note 1 Notei For downthrow conversion belt length need to be changed For unit with standard pulley belt length a mm Shaft to shaft distance for downthrow C C b mm UATYQ250 UATYQ350 UATYQ450 UATYQ550 UATYO600 UATYO700 ai 1382 1357 1250 1382 1382 1382 ob 237 J 388 1 445 J 44 J J 4 Note 2 Sealant such like gasket field supply shall b
29. f the economizer unit Prepare all the tools required as mentioned above STEP 2 Unpack the wooden crate of economizer kit by using crowbar and hammer Then remove the polybags containing loose parts and fasteners by using cutter Perform preinstallation checking as mentioned above STEP 3 Attach support bracket return air damper item 10 to return air damper item 11 by using screw M5x16 item 13 provided in the kit Screw item 10 to item 11 Item 11 STEP 4 Mount 1pc Belimo actuator LF24 SR item 1 labelled with RA to return air damper item 11 Align and insert the hole of actuator to the shaft of the damper AX CAUTION 1 The default setting for return air damper item 11 shall be fully opened Ensure this damper is in fully opened position before mounting it to the actuator Failed to do so will cause errors during the unit operation A CAUTION 2 The surface of actuator which is facing upward outside shall be labelled with symbol to ensure the rotation of actuator modulation in clockwise direction Failed to do so will cause errors during the operation of unit with economizer function 29 30 Note There are 2pcs of Belimo actuator LF24 SR item 1 in economizer kit which come together with carton boxes Open the boxes and recognize the label on the wire The actuator used in step 4 is the one with label RA ED 2pcs of item 1 in Open the box Recognize the label on the w
30. face of actuator which is facing upward outside shall be labelled with R symbol to ensure the rotation of actuator modulation in counter clockwise direction Fail to do so will cause errors during the operation of unit with economizer function Note There are 2pcs of Belimo actuator LF24 SR item 1 in economizer kit which come together with carton boxes Open the boxes and recognize the label on the wire The actuator used in step 6 is the one with label OA 7 zz 0 i 2pcs of item 1 in Open the box Recognize the label on the wire One of them carton boxes is indicated with while the other is OA Then fastens 1pc screw M4x12 item 14 on the support bracket of the damper Do not fully insert the screw thread but only insert up to 2 3 of the screw thread Mount the actuator to the support bracket by bringing the support bracket closer to the shaft of damper The function of screw M4x12 isto lock the actuator from slipperry during modulation Next put the clamp into the shaft and lock the actuator with circlip Fasten the nuts of clamp tightly by using adjustable spanner Noted that clamp and circlip come together with actuator as the standard parts you may find these parts inside the actuator box Circlip gp 20 5 of Nuts screw tightly Details view for clamp and circlip Clamp Circlip Clamp gt gt a Mount the actuator NN to the shaft of damper s with
31. he kit provides minimum fresh air selection from 0 25 for both cool and heat mode While the economizer mode amp fan mode can provide up to maximum 85 of fresh air Notes Refer to hardware setting guideline provided in part D v under chapter CONTROL OPERATION GUIDE in this manual for minimum fresh air selection Overcooled Protection Feature Thermal discomfort may happen during the cold ambient due to the outdoor air damper opening This situation can be avoided when the overcooled protection feature is activated Notes Refer to hardware setting guideline provided in part D v under chapter CONTROL OPERATION GUIDE in this manual for the activation of overcooled protection setting Operating Range The applicable operating range for unit with economizer feature same like normal unit Refer to chapter OPERATING RANGE in this manual However the restriction of fresh air opening will occur in high ambient or low ambient in order to ensure the reliability of the unit Refer to Engineering Data Book for detail information Ah CAUTION The performance will be reduced at high ambient or low ambient refer item E ii Optional Air Filter There is a 2 filter slot inside the unit Optional filter field supplied is recommended as the second layer filtration since outdoor air damper opening may bring in dust and dirt F Service And Maintenance i ii iii 38 Service of the filter Airflow resistance may increa
32. ion of dip switches and shunt jumpers Indication on the economizer controller board in the economizer controller board Indication for the means of selection for shunt Shunt jumper 2 jumper 1 2 and 3 Shunt jumper 3 Shunt jumper 1 Dip Switch 3 Indication for the Indication for the means of selection means of selection Dip Switch 1 for Dip Switch 1 SAN for Dip Switch 3 Indication for the Indication for the means of selection SAAN NE E means of selection for Dip Switch 2 la for Dip Switch 4 Dip Switch 2 Dip Switch 4 e There are two LEDs in economizer controller board which are green LED and red LED Green LED will blink when economizer controller board is powered up Red LED will blink when error s occur Refer the table below for error codes and their meaning Error n Code Fault Note The error codes will be shown on the seven segment display on the economizer controller board Seven segment display Note When error s occur and the faults persist please call your authorized local dealer serviceman for troubleshooting However all the errors occur in economizer controller board will not affect the normal operation of rooftop unit 25 SERVICE AND MAINTENANCE SERVICE OF THE FILTER e Remove any dust adhering to the filter by using a vacuum cleaner or wash in lukewarm water below 40 C with neutral cleaning detergent Rinse the filter well and dry before placing it back
33. ire One of them carton boxes is indicated with RA while the other is OA Then fastens 1pc screw M4x12 item 14 on the support bracket of the damper Do not fully insert the screw thread but only insert up to 2 3 of the screw thread Mount the actuator to the support bracket by bringing the support bracket closer to the shaft of damper The function of screw M4x12 is to lock the actuator from slipperry during modulation Next put the clamp into the shaft and lock the actuator with circlip Fasten the nuts of clamp tightly by using adjustable spanner Noted that clamp and circlip come together with actuator as the standard parts you may find these parts inside the actuator box Circlip 2pcs of Nuts s Tap screw tightly Labelled 1 Clamp _ with L N Pesca NL Details view for clamp Circlip e 2 a Mount the actuator Item 1 with label RA to the shaft of damper then lock with circlip and clamp b Insert screw M4x12 then bring Item 10 and item 1 FW the support bracket which are already closer to the shaft assembled in Step 3 of damper Note support bracketis Support bracket x located on the top Fasten M4x16 screw on this hole of damper s notfully insert the screw thread but sx insert only 2 3 of the thread STEP 5 Remove side panel Then detach 4pcs metal bracket on front panel Install the return air damper item
34. it allows outside air to be mixed with return air for free cooling if the outdoor air temperature is suitable Economizer cooling can be used alone or in conjunction with mechanical cooling Beside that the economizer kit can be used as well to provide ventilation air thus can improve indoor air quality It is vital to do a correct selection on economizer kit refer the table below for kit selection guideline No Rooftop Unit Economizer kit which is compatible with rooftop unit 6 UATYO700 w ECONO700 Note Wrong selection may cause the kit is unable to be assembled with the rooftop unit B Preinstallation Checking i The Contents of Economizer Kit Before installation it is recommended to check the contents of the economizer kit after removing the packaging The kit includes the following components No Item Description Item Description 6 Hood sidepanellefe 1 _ ia 4 Note Contact authorized service division if accessory is damaged or incomplete Quantity set ii Unit Clearance Provide sufficient space for air flow servicing and wiring after the kit is mounted on the unit There shall be no obstruction of air flow in this space Refer to part F under chapter INSTALLATION OF THE UNIT in this manual Fail to do so may cause low air flow or unit malfunction 20 iii iv Location for installation Follow the recommendations given in part A under
35. ll OFF Dip Switch 2 Minimum fresh air opening setting in cooling mode where by the selection of different pins will give different opening setting SW1 096 SW2 596 SW3 1596 SW4 2096 SW5 25 SW6 7 8 no function Default 1096 no selection all OFF Dip Switch 3 CO PPM level threshold value selection where by the selection of different pins will give different value setting SW1 25 SW2 50 SW3 75 SW4 100 Default 0 no selection all OFF DipSwitch 4 Type of operation which include the following selection SW1 OFF Differential temperature operation default ON No function at this moment SW2 OFF Economizer mode default ON Fresh air mode SW3 OFF Overcooled protection is not activated default ON Overcooled protection is activated Shunt jumper 1 2 and 3 Minimum fresh air opening setting in fan mode where by the selection of different pins will give different opening setting Let name the shunt jumper 1 JP1 shunt jumper 2 JP2 and shunt jumper 3 JP3 refer the table below for different fresh air opening selection Fresh air opening 96 JP1 JP2 JP3 0 default S A OFF FF Legend OFF Short pin 2 and pin 3 ON Short pin 1 and pin 2 CAUTION Dip Switch 1 2 and 3 allow only 1 pin selection Multiple pins selection will cause error and the operation will go back to default setting While Dip Switch 4 allow multiple pins selection Locat
36. lled in accordance with the appropriate requirement of the local wiring code Observe the notes mentioned below when wiring to the terminal block Precautions to be taken for power supply wiring Use a round crimp style terminal for connection to the terminal block In case it cannot be used due to unavoidable reasons be sure to observe the following instruction Round crimp style terminal a Stranded wire When connecting the connection wires to the terminal block using a single core wire be sure to perform curling Problems with the work may cause heat and fires t t Excessive strip length Q may cause electrical to this point shock or leakage Wrong Ia x Stripping wire at terminal block e Pull the wire and make sure that it does not disconnect Then fix the wire in place with a wire stop 20 Arrangement of terminal blocks and components for controller are shown as below Control Module UATYQ250 Item Description asm Ela Mio lai x iss sl TN ES be E OX eee Bottom Layer Top Layer Ic Control Module UATYQ600 700 3 5 9 1 49 6 2 4 T Note Item 11 Econ
37. ller and thus the setting temperature of specific application cannot be known For this case it is recommended to use remote controller to set the required setting temperature before the hardware setting for thermostat control is conducted Note Refer to hardware setting guideline provided in part D v under chapter CONTROL OPERATION GUIDE in this manual for mode selection Necessary For Pressure Relief Presence of fresh air may cause higher pressure to the room and discomfort to the users When necessary it is recommended to install a pressure relief damper in the return duct DAIKIN INDUSTRIES LTD DAIKIN EUROPE NV Head office Zandvoordestraat 300 B 8400 Oostende Belgium Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com global
38. n standard Side panel comes with Label RA Label OA Terminal block with label RA i to i connected e with actuator le with label RA Terminal block with label OA to be connected with actuator with label OA Detail view of junction box 36 unit which is removed in economizer kit box which is step 5 assembled with actuator in step 6 Attach this panel to the unit STEP 8 To build the rain hood install the loose parts metal parts to the side panel Before that place the gasket field supply on the side panel for sealing purpose Then follow the installation sequence below to build the rain hood Item E gt tem 6 gt Item 7 gt MENA gt Item 4 MENS gt Item 8 gt Sealant Side panel with outdoor air damper item 2 which is assembled to the unit in step 7 l 1015 recommended to seal off all the joints and gaps with weather proof sealant such as silicone field supplied item in order to ensure a water proof finishing on the rain hood STEP 9 Finally you may see the unit with economizer kit as shown in the diagram below When roof curb is required for down throw application refer to the recommendation in part C under chapter INSTALLATION OF THE UNIT in this manual Metal cover blower support for EN XX X LAN
39. ng operate in 3 min after unit has started Air flow is low Filter is filled with dust and dirt There are some obstacles at the air inlet or outlet of the units Compressor operate Dirty air filter continuously Temperature setting is too low for cooling Temperature setting is too high for heating No cool air delivered Temperature setting is too high for during cooling cycle cooling or no hot air delivered Temperature setting is too low for during heating cycle heating On heating cycle no air Unit is in defrosting cycle delivered UATYQ250 Or the delivered air is not warm enough UATYQ350 450 550 600 700 If the fault persists please call your authorized local dealer serviceman v Press the ON OFF after power restore Replace fuse or reset circuit breaker Modify the wiring phase Wait for 3 min for the compressor to start Clean the filter Remove obstacles Clean the air filter Reset the temperature Set the temperature lower Set the temperature higher Wait for a while It will be resumed after defrosting 21 OPTIONAL ACCESSORY ECONOMIZER KIT Introduction Economizer kit is an accessory provided by thefactory but requires field installation Economizer kit is compatible for RA10A rooftop models If you are unsure whether this kit can be used with your particular unit please contact authorized service division The economizer k
40. omizer Controller Board shall be used together with the economizer kit which is provided separately as the accessory OPERATING RANGE Ensure the operating temperature is within the allowable range as stated in diagram below Cooling Heating A CAUTION U S O The use of the air conditioner outside the range 3 pst of working temperature and humidity can fS 2 qu result in serious failure a S 5 D 10 _ Note Refer Operating Range for unit with O de economizer option in part E vi in chapter 3 AN OPTIONAL ACCESSORY 5 10 14 19 30 u i ge o S sid Pai Indoor WB temperature C Indoor DB temperature CONTROL OPERATION GUIDE The unit is equipped with a controller main board and a wired remote controller is connected to the controller main board All the setting in the unit is preset by the manufacturer It is not recommended to change the setting unless necessary or mentioned below a Remote Controller Location The remote controller is located on a metal bracket behind the service panel It is packed together with installation manual UATYO250 UATYQ350 450 550 600 amp 700 CONTROL Remove panel b LED Display Controller Main Board The LED will blink when power up the unit C LCD Display Remote Controller During normal operations the LCD displays compressor on off status mode set temperature and so on Refer to Operating Manual for the details of operation guide The LC
41. onto the unit Do not use gasoline volatite substances or chemicals to clean the filter Clean the filter at least once every 2 weeks Or more frequently if necessary Filter Position The filters are mounted in front of the indoor heat exchanger Unit shown in the diagram is UATYO250 Other models shall follow the same method Remove filter cover for filter service Alternatively remove side panel for filter service For unit which is installed together with economizer kit there is one additional filter which is mounted at the bottom side of rain hood Unit shown in the diagram is UATYO250 economizer kit field installed Other models shall follow the same method Rain hood field installed Remove filter cover on the rain hood for filter Ah CAUTION Ensure the filter is placed properly and the filter cover is fastened with screws tightly after the service to avoid water leaking If necessary weather proof sealant shall be applied in order to ensure water proof finishing on the filter cover and rain hood VACUUMING AND CHARGING The rooftop package units are factory pre charged with sufficient refrigerant However there may be a need for charge recovery during service and maintenance works Therefore some precautions must be taken to ensure optimum and trouble free system operation i The system should be throughly vacuumed to ensure incompressible gas and moisture in the system ii Use a
42. p Cirdi ircli Clamp n a Mount the actuator tem 1 with label RA to the shaft of damper then lock with circlip and clamp Tu b Insert screw gt M4x12 then bring the support bracket closer to the shaft of damper Note support bracketis N Support bracket k located onthetopof Fasten M4x16 screw on this hole do not damper s fully insert the screw thread but insert i only 2 3 of the thread Item 11 and item 12 which are already assembled in step 3 STEP 5 Remove side panel Conduct unit conversion from standard unit to downthrow unit by following the steps stated in part G under chapter INSTALLATION OF THE UNIT in this manual Then install the return air damper item 11 support bracket down throw item 12 Belimo actuator LF24 SR item 1 which are already assembled in step 3 and step 4 into indoor base panel of the unit by using screw M5x16 item 13 A CAUTION Extend the return air sensor which is located inside the unit on top of return air opening to the outside area of the unit This can be done by routing the sensor through small holes on support bracket down throw item 12 The sensor is then located properly inside the return air duct by using the cable ties field supply Failing to do so may affect the performance of the unit and cause thermal discomfort to the users 34 Conduct unit conversion Then mount item 1 4 item
43. roller s ON OFF switch to the OFF position to prevent the nuisance tripping of the unit If this is not done the unit s fans will start turning automatically when power resumes posing a hazard to service personnel or the user Do not operate any heating apparatus too close to the air conditioner unit Do not use joined and twisted wires for incoming power supply INSTALLATION OF THE UNIT Location For Installation Install the unit in such way that air discharged by the unit cannot be drawn in again as in the case of short circuit of discharge air Allow sufficient space for maintenance around the unit When two or more units are installed in a location they must be positioned such that one unit will not be taking the discharge air from another unit O Ensure that there is no obstruction of air flow into or out of the unit Remove obstacles which block air intake or air discharge The location must be well ventilated so that the unit can draw and distribute plenty of air Theunit is recommended to install in A place capable of bearing the weight of the unit and isolating noise and vibration A place where has adequate drainage A place where the unit will not be buried in snow A place where air inlet and outlet ports are not exposed to strong wind A place where the air discharge and operating sound level will not annoy the neighbours The location where it is not accessible by general public
44. se non flammable duct for the unit that is installed with heater Use different power supply for electrical heater and install a circuit breaker for each of the heater e Maximum temperature in the unit must not exceed 60 C Temperature measurement shall be taken during the installation or commisioning in order to ensure the temperature not exceed this value Select the proper safety device or thermal protector accordingly The heater shall never be installed inside the unit The recommended location for the heater is inside the supply duct whereby the distance of the heater is sufficient to ensure the temperature inside the unit does not exceed 60 Economizer control Ensure the economizer kit has been incorporated with rooftop unit before activate the economizer function in the controller main board Else error will occur To activate economizer function set Dip Switch Setting SW4 ON default is OFF in the controller main board and panel parameter to 1 default is 0 Note G6 Economizer control 0 disable 1 enable In economizer controller board there are 4 dip switches and 3 shunt jumpers which provide flexible selection based on different requirements Dip Switch 1 Minimum fresh air opening setting in heating mode where by the selection of different pins will give different opening setting SW1 596 SW2 1096 SW3 15 SW4 20 SW5 25 SW6 7 8 no function Default 096 no selection a
45. se when the filter becomes dirty Thus clean the filter regularly with at least once every 2 weeks Air filter in rain hood which is exposed to outdoor environment may have chance to be damaged by vermins or animals Replace the air filter when it is damaged Service of the indoor compartment Outdoor air damper opening may still bring in dust and dirt as hood filter cannot fully filter the dirt particles Thus indoor compartment must be cleaned as well during the service of filter Service of the damper Wipe the dirty damper especially outdoor air damper which is exposed to the environment all the time Note Refer to chapter SERVICE AND MAINTENANCE in this manual G Demand Ventilation Control One technique to reduce energy consumption while maintain adequate air quality is demand controlled ventilation Instead of setting at a fixed air replacement rate carbon dioxide sensor CO sensor is used to control the rate dynamically based on the emissions of actual building occupants CO sensor is an optional component supplied in field Refer to the information below for the recommendation of sensor selection i Type Duct mounted type ii Power input 24 VDC 50Hz iii Operating temperature range 0 52 iv Ambient temperature range 15 52 vy Measuring range 0 5000 PPM depends on the application vi Output voltage 2 10 VDC vii Wire size AWG18 viii Maximum allowable current 7A ix
46. sing your air conditioner please read this instruction manual carefully and keep it for future reference This appliance is intended to be used by expert or trained users in shops in light industry and on farms or for commercial use by lay persons SAFETY PRECAUTIONS IMPORTANT Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP value 1975 1 GWP global warming potential The refrigerant guantity isindicated on the unit name plate Periodical inspections for refrigerant leaks may be reguired depending on European or local legislation Please contact your local dealer for more information Disposal Reguirement Dismantling of the unit treatment of the refrigerant oil and other parts must be done in accordance with the applicable legislation 12 A WARNING Installation and maintenance should be performed by qualified persons who are familiar with local code and regulation and experienced with this type of appliance All field wiring must be installed in accordance with the national wiring regulation Ensure that the rated voltage of the unit corresponds to that of the name plate before commencing wiring work according to the wiring diagram The unit must be GROUNDED to prevent possible hazard due to insulation failure All ele
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