Package AHU Service Manual
Contents
1. LMM LUI LLL LLLLLLLLLLLLL LLL 7 ZY o H 1 S H 1 E Z Z Return Air Inlet Z A 00000 Essa Water Outlet Pipe V E E l ZY p tory Water Inlet Pipe V rH Drain Pipe 7 Ze 2008 Box A B 21000 VV A Z 7 7 7 7 Z A z z A Supply Air Outlet 2 3 Installation Precautions 2 3 1 Installation Requirements Based on the expected cooling heating capacity noise level all sorts of parameters this product should be installed in such a way that the duct design duct insulation and noise attenuation measures comply with the industrial standards and satisfy the user s demands In order to obtain the easy access to the unit for service and normal operation it is required to observe the requirements stated below 1 The unit must be installed horizontally allowing the maximum right left back front height difference of omm and maximum gradient of 1 500 2 Enough space must be left around the unit for future service and for the installation of the return air INSTALLATION 16 Tk omnim Service Manual duct 3 Enough space must be left around the unit for the access door and for servicing the filter 4 Enough space must be left around the unit for the installation of the water inlet outlet pipe 5 Enough space must be left around the unit for serving the belt wheel motor coil and etc 6 Do not place the unit where there is inflammable explosive and corrosive gas2. MAINTENANCE 26 Name 42011221 1 Top Panel Sub Assy Right Air Guard Side Panel Sub Assy of B Side Panel Sub Assy of A Middle Column Front Column Sub Assy Air Outlet Flange Sub Assy Air Outlet Panel Sub Assy Fan Motor Belt Wheel Taper Sleeve Belt Belt Wheel Taper Sleeve Water Tray Assy Seat board Sub Assy Suspend rack sub Assy Motor Block Assy Supporter Motor Mounting Plate Motor Terminal Block Terminal Block Electric Component Mounting Plate Cover of Electric Box Side Panel with Hole Sub Assy Surface Cooler Assy Back Column Sub Assy Left Air Guard Top Air Guard Filter Sub Assy Air Inlet Flange Sub Assy Electric Box Assy G 2WD B M EM50900070 EM50900071 EM50900072 Z O Name Code Top Panel Sub Assy 01539433 Right Air Guard 01356242 Side Panel Sub Assy of B 01539442 Side Panel Sub Assy of A 01539439 Middle Column 0185610901P Front Column Sub Assy 01729305 Air Outlet Flange Sub Assy 01499312 Air Outlet Panel Sub Assy 01539436 Fan Motor 01709245 Belt Wheel 10548137 Taper Sleeve 10548207 NO Belt 76318360 Belt Wheel 10548135 JI Taper Sleeve 10646001 Water Tray Assy 01279261 Seat board Sub Assy 01539430 Suspend rack sub Assy 01729303 Motor Block Assy 01239231 Supporter 01726303 NO Motor Mounting Plate 0133
3. MAINTENANCE 32 Name Code Quantity Top Panel A 01536352 Top Panel B 01536354 Right Air Guard Side Panel Sub Assy of B 01536339 Side Panel Sub Assy of A 01536336 Front Column Sub Assy 01729333 Middle Column 0185610902P Fan Motor 15219240 Air Outlet Panel Sub Assy 01536345 Air Outlet Flange Sub Assy 01499363 Water Tray Assy 01279284 Seat board Sub Assy 01539262 Suspend rack sub Assy 01729284 Belt Wheel 10548156 Taper Sleeve 10548218 Belt 16318320 Belt Wheel 10548150 Taper Sleeve 10548211 Motor Block Assy 02119250 Motor Mounting Plate 01339330 Terminal Block 42011221 Terminal Block Electric Component Mounting Plate 013206174 Cover of Electric Box 01426070 Side Panel with Hole Sub Assy 01646115 Motor 15018303 Back Column Sub Assy 01729336 Surface Cooler Assy 01126152 Left Air Guard Top Air Guard Filter Sub Assy 1172601506 Air Inlet Flange Sub Assy 01499294 Electric Box Assy 01396043 G 7WD B M EM50900140 Z O li Name Code Top Panel A 01536326 Top Panel B 01536328 Right Air Guard Side Panel Sub Assy of B 01536339 Side Panel Sub Assy of A 01536336 Front Column Sub Assy 01729333 Middle Column 0185610902 Fan Motor 15219240 Air Outlet Panel Sub Assy 01536333 Air Outlet Flange Sub Assy 01499357 Water Tray Assy 01279280 NO Seat board Sub Assy 01536317 Suspend rack sub As
4. 53 22 rr 2 54 59 7 87 56 2 85 w 63 4 Motor Power Motor Power kW 15 22 Stacks 2 2 2 l 2 Power Cord Ref 1 5x3 Power Supply 380V 3 Phase 50Hz 3 6 75 400 75 200 90 450 90 320 C1 200 400 320 450 N N Electric Insulation Level Coil Structure Copper Tube Fin oi Operating Pressure lt 1 6Mpa Type Forward Curved Low Noise Centrifugal Fa Drive Belt Drive Qty Water Inlet Pipe DN40 DN50 Pipeline Water Outlet Pipe DN40 DN50 Drain Pipe DN25 gt Notes PRODUCT 4 Tk nmm ES Service Manual 1 The design of this product complies with JB T9066 1999 2 Parameters listed above are measured under the conditions as stated below 3 Nominal Cooling Condition DB WB 27 19 5 C Entering Leaving Water Temperature 7 12 C 4 Nominal Heating Condition DB 21 C Entering Water Temperature 60 C 5 The operating weight of this product is 1 2 times of that listed in the table above not incl the weight of the circulating water 6 Parameters and appearance of this product is subject to change without notice owing to design improvement Please always see the nameplate for the exact parameters 5 Product Performance Correction 5 1 Return Air Type Cooling Capacity Correction Inlet Water Temp C 5 C Return Air C DB 24 C WB17C DB 25 C WB18 C 0 905 Heating Capacity Correction Inlet Water Temp C C 5 2 Fresh Air Ty
5. Adjust the air flow rate Replace it Redesign and replace it Adjust or replace it Adjust or calibrate it Replace it Adjust the air flow rate and replace the motor Replace the motor Replace the motor 2 Troubleshooting for ZG Series Package AHU The unit operates abnamally The belt wheel breaks away from the axis The impeller of the fan contacts the outer cabinet of the unit The shaft bearing of the fan motor is worn Out The return air valve shakes The belt slips or is worn out There are foreign matters Fix or replace it Adjust it Repar or replace it Adjust it Adjust or replace it Clear them Package AHU Service Manual 21 MAINTENANCE servico Manual 1 a Service Manual Lj 3 Electricity Distribution 3 1 Main Electric Parts Thermal Relay Action Conditions the motor is over current or 3 phase current is unbalanced or there is phase loss Action Result The fan stops running Remedy Check if the voltage and motor winding is in good condition If so press the Reset button and restart the unit and meanwhile check if the operating current of the compressor is normal It is used to detect the current which is to go through the load When the current is larger than the limit of the relay its normal open contact will be closed and the normal closed contact will be opened Thermal Relay It is used to start t
6. E AT H i Lifting Eye se O O Y g y ae E I IL Water Outlet x O aE eter HUE I i 2 ZW iH H l Return Air H e i i i Water Inlet Wir N CL Drain Hole Q TR 14 20 88 i Ii 1 i 1I 48 i 4 ii O st H Seg Sr 10 ttt mo Zz i M O st LLI LL Y Hu TT a CN J iE ll 15 INSTALLATION servico Manual ERR Service Manual E A G 1 5WD X B G 2WD X B 300 93 93 3 G 2WD X I B 300 z BN O O je OO je e q je 00 00 Oo O O Q U X UJ SO O JI O O O O Oo o 8 NINININ o NINILO Oj oj oi jo C CGo h2 h2 oOjoj oioiqTim Oj oj o o a oa R A OIOININI T OoO o o o CO INTIN CO CO O O O O0O 0 O NIJ gt INJ gt al O Xx NINININ EM Fraoo so 26 6 6 6 6 4 4 4 4 wlll Wwoliwo elo oS S T I5 IDIO S ololo Oo Oo O O GIAL ALA ALA ALA ALA ALA GT O1 O1 O1 C1 O1 O O O0O O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OO C2 C2 NO 260 260 220 oO OO e OO C2 e C2 NO G 2 5WD X B 300 G 3WD X B 930 1500 G 3WD X I B 930 1500 G AWD X B 930 1900 460 260 G AWD X UB 930 1900 460 260 G 5WD X B 2000 560 G 5WDOQUB 2000 560 G 6WD X B 2000 56 G 6WD X I B 2000 56 G 7WD X B 2200 56 G 7WD X I B 2200 56 G 8WD X B 2200 G 8WD
7. Service Manual PRODUCT 1 PRODUCT Package AHU a Service Manual E PRODUCT 1 Product Data Air Flow R Product Name Code d UM ate Capacity kW Capacity kW Appearance G 1 5WD B EM50900110 1500 12 03 17 28 EM50900070 EM50900071 2000 14 1 13 50 17 96 19 58 EM50900072 EM50900090 EM50900091 3000 17 11 21 53 27 8 30 13 EM50900092 EM50900080 G 4WD B SAGE 4000 28 78 34 55 42 79 EM50900120 G 5WD B S 5000 28 69 36 19 G 6WD B EM50900130 6000 33 47 43 52 2 CTI IM ww meme Gem Do o Posse Prime 3 o Nemo GO 3 Smewe WieniDedeed s Pmddfwekn XfmsArDpeDeautReumAFTDe s WeEcwewCiRas romeo OOO O OOO De DN t B msim Notes As for the location of the water inlet outlet pipe right or left it is determined when facing the return air inlet Taking G 12XIY for example it indicates a vertical floor standing fresh air type package AHU with the airflow rate of 12000 m h 6 rows of heat exchanger coil and right side water inlet pipe Another example G 1 5WDXIY B indicates a slim horizontal ceiling mounted fresh air type package AHU with the airflow rate of 15000 m h 6 rows of heat exchanger coil and right side water inlet pipe 3 Product Features The ultra slime structure helpfully saves much installation space and cost 3 1Horizontal Package AHU Ultra Slim Ultra Slim Structure The ultra slime structure helpfully
8. 350 D 2 2 2 E o a lt z lt O O O Lon nl nnd nn O O O S U U U O O O D D D mn 1 1 1 16 2 2 1 0x3 380V 3 Phase 50Hz 15 2x 39 m h kW kW L s kPa kW kW kW kg kg cm cm kW kW L s kPa kW kW kW kg kg cm cm N a O gt O mmxQty Electric Insulation Level Noise at Min ESP dB A lt 53 lt 55 lt 56 IA O1 Oo Structure Copper Tube Fin Operating Pressure lt 1 6Mpa Forward Curved Low Noise Centrifugal Qty 1 3 PRODUCT a O Service Manual 1 EM50900080 EM50900120 Nominal Air Flow Rate m h 4000 5000 6000 a G 7WD B G 8WD B EM50900140 EM50900150 7000 39 04 62 8 2 01 8000 44 62 66 8 2 99 65 150 65 160 75 280 E Heating Capacity Water Flow Rate Resistance to Water Flow ESP Range Ref ESP ESP Range 1 and Range 1 Motor Power Motor Power ESP Range 2 Motor Power ESP Range 3 Motor Power Net Weight kg Gross Weight kg m m S k L kP 75 400 90 450 75 200 90 320 N N LI LI Co C1 200 400 320 450 ESP Range 2 and 150 250 160 280 280 400 250 350 280 350 k Motor Power 7 N N i J OO ESP Range 3 and Motor Power 3 W W W W k 5 1 195 235 280 325 208X112X46 238X132X56 238X132X66 1 248X143X71 5 248X143X81 5 oO ER N No ow NO No e 3 c 208X112X46 218X132X56 gt
9. 5 GREE Change for Life Package AHU Service Manual lt lt GC2011124 GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODUCT ss snsasa dessa ad sondas EA e E EAEE E EE NENDUNDNESNKNE MM EE UNE 2 1 adoro Ue jr c 2 2 NOMENCIA TUDO seas acasos 2 3 Product Features sia anseio nidamania dada ds daSAda Rai dias NR cds dada ai ia 2 4 Technical DAlSisapio E 3 5 Product Performance Correction iooeresixa ties aan rap euni ERR EE RRRRKVERERSI c cia duihsianasiasadds 5 6 Operating Principle and Control eeeeeseee eene eene 6 INSTALLATION T T 8 PR ESI EDoITTe o1 8 2 Installation Requirements ucnscenam ies uER5dExE KE FERUPSUDEARESESAUNERHUUDU AREE KE EREEESMKEE 15 MAINTENANCE oneen vaste cen EAE FENTENNEDNATU dna coin ad ads anais 20 1 Error List for ZG Series Package AHU eeeeeeee eene 20 2 Troubleshooting for ZG Series Package AHU 21 3 Electricity Distribution cerca rere nnne nnn nnn nnne nnn 22 4 FUNCHONS of Main Parts oiesedixii caper Dr ais idas ad Ria NF EE 24 5 Explosive Views and Parts List eeseeeeeeseesee eren eene nnn nnne 25 E servico seno E
10. 9248 N Motor 15018307 N N Terminal Block N oO Terminal Block 42011221 N D Electric Component Mounting Plate 01326174 N O1 Cover of Electric Box 01426070 NO O Side Panel with Hole Sub Assy 01646122 N N Surface Cooler Assy 01126146 N Oo Back Column Sub Assy 01729308 N co Left Air Guard 01356241P OO Top Air Guard 01356243 oO Filter Sub Assy 1172601501 oO N Air Inlet Flange Sub Assy 01499307 oO Co Electric Box Assy 01396043 Package AHU Service Manual Quantity 27 MAINTENANCE Package AHU Service Manual G 2 5WD B M EM50900100 Z O N JI oO oO oO C2 N N N N N N N N N N MAINTENANCE 28 Name Code Quantity Top Panel Sub Assy 01539460 Right Air Guard 01356242P Side Panel Sub Assy of B 01539442 Side Panel Sub Assy of A 01539439 Middle Column 0185610901P Front Column Sub Assy 01729305 Air Outlet Flange Sub Assy 01499320 Air Outlet Panel Sub Assy 01539463 Fan Motor 15019240 Belt Wheel 10548135 Taper Sleeve 10548207 Belt 76318360 Belt Wheel Taper Sleeve 10646001 Water Tray Assy 01279268 Seat board Sub Assy 01539457 Suspend rack sub Assy 01729318 Motor Block Assy 01239231 Supporter 01726303 Motor Mounting Plate 01339248 Motor 15018307 Terminal Block Terminal Block 42011221 Electric Component Mounting Plate 01326174 Cover of Electric Box 01426070P Sid
11. Motor Mounting Plate 01339257 Terminal Block 42011221 Terminal Block Electric Component Mounting Plate 013206174 Cover of Electric Box 01426070 Side Panel with Hole Sub Assy 01646116 Motor 15018611 Back Column Sub Assy 01729240 Surface Cooler Assy 01126153 Left Air Guard 01356233 Top Air Guard 01356261 Filter Sub Assy 1172601508 Air Inlet Flange Sub Assy 01499256 Electric Box Assy 01396043 JF00301427 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 486 756 8522218 Fax 86 756 8669426 E mail gree Dgree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations
12. X I B 2200 C2 je e C je e OO oO e O O C1 oO OO e N N 4 4 o Oo eo C O CO oo o a wo o oo Q CO N vIigJgjgjyg Z Z Z BOR B ojo 6 6 N N je O O O Oo C1 oO O O oj o O qq 4 4 30 76 30 1760 165 430 1860 30 1860 165 30 1860 30 1860 060 2060 2060 2060 165 oO C2 e N N 88 Oo je Ija oO C2 je JI OO C1 N O e I eB lI e lI I e alulala alala S O N O N 0O N O O1 Oo je e alala O1 I O ao on a a on UININININ O io o o Jo Ol NO e N gt Co qq oO NO Oo OO e e C1 AIR COININININ BR O 0 0 O je 16 a alalalala O1 WO oy Ww wy Ww C9 oO 30 520 300 520 1 O 5 Q2 OO NlwlNM wl nr N O N DIN O Elo S o O N to to o A N N N N lt N N N 2 Oi 2 Oi UIII OJO O1IO O O O O 0 0 0 0 ala O o KR BR BI RY RK UIII Co CO Oc1 O1 C 01 C 1 CI I N ow O O O I O C2 O I oO O1 ow O O C2 Q N e 2S UJ alala eIiolo oO 2 2 Installation Space 1 Installation Space for Horizontal Package AHU B Series Ultra Slim
13. ade of loose fiber or porous material At present the most commonly used insulation for AHU is polyethylene foam and foamed rubber 1 Polyethylene Foam PEF Features adopting the state of the art foaming technology it is of excellent insulation performance soft light weighted fire proof and corrosion resistant With easy and convenient operation it is widely used for the building refrigeration storage air conditioning equipments as well as low temperature pipeline Foamed Rubber Features it is one kind of soft insulating material mainly made of polyvinyl chloride and some other assistant ingredients through special foaming technology It is closed cell structured elastic with low density low thermal conductivity and excellent weather resistance Moreover it is wildly used shock resistant noise absorbing fire retardant and environmental friendly 1 2 5 Suspender Supporter Specifications of Foam Rubber Various Pipe Diameters 215 Foamed Rubber Fire Retardant Level B1 or above increase the thickness when exposed in the moist environment R 13 INSTALLATION servico Manual A Service Manual Lj 1 2 6 Power Cable The specifications of the power cable should comply with the design requirement If not required the minimum sectional area of the individual wire of the cable under different wiring manner should observe the requirement covered in the user s manual It generally includes paint resin asphalt e
14. and processable applicable to be welded but it is likely to rust and requires to be painted Service Manual 11 INSTALLATION servico Manual 1 i Service Manual Lj 3 Stainless Steel Sheet Features The stainless steel sheet contains large amount of chrome nickel and copper if possible It is white colored high temperature resistant and corrosion resistant Its corrosion resistance varies as different alloy is contained in it It is usually used for the ductwork exposed to the corrosive environment 4 Aluminum Sheet Features It is divided into two types pure aluminum sheet and alloy aluminum sheet It is silver colored and light weighted On its surface there is a tight aluminum oxide film It is highly ductile acid resistant but is vulnerable to alkali and salts It is usually used for the ductwork exposed to the acid environment Additionally it is usually used for the blast proof ductwork as it generates few sparks when collided 1 2 3 Drain Hose The drain hose should be transparent so that it is easy to observe the flow inside the pipe It is strongly recommended to keep the drain hose about 150mm long The drain hose should be fixed through pipe clamp but instead of adhesive for the convenience of future service Moreover the drain hose is anti vibration INSTALLATION 12 Tk omnim ES Service Manual 1 2 4 Insulation Material This kind of material is mainly used for thermal insulation It is usually m
15. ap or box 7 Both the supply air duct and the return air duct shall be insulated properly Flexible Connector Duct Connector A Equal to or larger than 1 5 times of the diameter of the fan impeller Duct WARNING Do not operate the unit when the duct is not attached properly and do not remove the duct when the unit is operating 2 3 4 Electric Wiring 1 The power supply should be 380V 3 Phase 50Hz 2 Electric wiring should be performed in accordance with the wiring diagram stuck to the inside of the electric box The control cabinet should be prepared by the user 3 The unit shall be grounded reliably 4 The fan motor should be powered by the power supply system with overload protection When the power of the motor exceeds 15kW it shall be started with step down voltage 5 Before startup the electric test should be performed to verify if the electric wiring meets the safety requirement INSTALLATION 18 Om servico ani E Service Manual MAINTENANCE 19 MAINTENANCE Service Manual Package AHU MAINTENANCE 1 Error List for ZG Series Package AHU Air Leakage Water Leakage The panel is sealed poorly There is gap between metal sheets Deformation occurs because of improper installation The air flow rate is too high No drain pipe is installed The base plate under the drain pan is poorly insulated Seal the panel again Seal the gap Rearrange the installation location Ad
16. cissor wrench ruler tapeline angle square base cone glue gun brush portable ladder pulley etc 1 2 Accessories 1 2 1 Piping The drain pipe is the standard part It is generally made of U PVC and should be attached with special adhesive Other alternative options include PP R PP C and hot dip galvanized steel pipes all of which are used with the male connector m INSTALLATION 10 Package AHU 1 2 2 Sheet Material It is mainly used to make of the ductwork generally including galvanized steel sheet general mild steel sheet stainless steel sheet aluminum sheet etc 1 Galvanized Steel Sheet Features The galvanized steel sheet is made by galvanizing the general steel sheet Q195 Q235A thick of 0 5 1 5mm The galvanized coating is silver colored and corrosion resistant and there is no need of paint over it Do not use it for the ductwork under the acid mist moist environment Unless otherwise stated the thickness of the galvanized steel sheet should be sized as shown in the table below Thickness mm Round Duct Diameter or Square Duct Length mm Normal Duct Return Supply Air Duct 0 5 0 6 0 lt 320 320 lt 0 lt 450 0 75 450 lt 0 lt 630 0 75 630 lt 0 lt 1000 1 0 1000 lt 0 lt 1250 1 2 1250 lt 0 lt 2000 As designed 2000 lt 0 lt 4000 As designed 2 General Mild Steel Sheet Features The general mild steel sheet Q235 B GB700 1988 is either hot rolled or cold rolled before supplied It is ductile
17. d by the unit 8 The inlet outlet water pipe and the drain pipe should be insulated properly 9 The drain pipe shall be furnished with the trap 10 The drain pipe should be installed with a downward gradient so as to facilitate drainage of condensate A B2 P 10 20 unit mm P operating pressure of this section unit Pa Installation of the Drain Pipe SIS ANNA Drain Pipe Unit s i S CO E E Installation of the Drain Pipe 17 INSTALLATION servico Manual 1 Service Manual Lj 7 3 3 Installation of the Duct 1 The design and installation of the duct shall comply with relevant national standards 2 The duct should be designed in the way that its sectional area won t vary suddenly and the air flow won t shift direction at the outlet of the fan 3 During the installation of the duct the fresh air duct shall be equipped with a seal valve 4 When it is required to mix the return air and the fresh air if the air flow rate is too low connect the fresh air duct directly to the return air duct if the air flow rate is too high connect the fresh air duct and return air duct to the return air plenum box 5 The duct should be connected to the air inlet outlet through the flexible connector Besides the weight of the duct can not be withstood by the unit 6 Measures should be taken to reduce noise for the return air duct and supply air duct like installing the noise attenuation tr
18. e Panel with Hole Sub Assy 01646122 Surface Cooler Assy 01126150 Back Column Sub Assy 01729308 Left Air Guard 01356241P Top Air Guard 01369281 Filter Sub Assy 1172601502 Air Inlet Flange Sub Assy 01499316 Electric Box Assy 01396043 G 3WD B M EM50900090 EM50900091 EM50900092 Z O li Name Code Top Panel Sub Assy 01536312 Right Air Guard 01356242P Side Panel Sub Assy of B 01539442 Side Panel Sub Assy of A 01539439 Middle Column 0185610901P Front Column Sub Assy 01729305 Air Outlet Flange Sub Assy 01499248 Air Outlet Panel Sub Assy 01536313 Fan Motor 15019231 Belt Wheel 10548152 Taper Sleeve 10548211 NO Belt 76318352 Belt Wheel 10548150 JI Taper Sleeve 10548210 Water Tray Assy 01279275 Seat board Sub Assy 01536309 Suspend rack sub Assy 01729237 Motor Block Assy 02139231 Supporter 01726301 NO Motor Mounting Plate 01339235 N Motor 15018303 N N Terminal Block N oO Terminal Block 42011221 N D Electric Component Mounting Plate 01326174 N O1 Cover of Electric Box 01426070P NO O Side Panel with Hole Sub Assy 01646122 N N Surface Cooler Assy 01126149 N Oo Back Column Sub Assy 01729308 N co Left Air Guard 01356241P OO Top Air Guard 01369289 oO Filter Sub Assy 1172601503 oO N Air Inlet Flange Sub Assy 01499243 oO Co Electric Box Assy 01396043 Package AHU Serv
19. he motor when its contact gets the AC Contactor output voltage from the main board and picks up 3 2 Electricity Distribution Chart Power Supply Terminal Board MAINTENANCE 22 Package AHU E Service Manual 3 3 Wiring Diagram Terminal Board XT L1 n 4 B D BK BU y e PE Notes 1 If the motor runs reversely please exchange the position of the wires of any two phases on the terminal block 2 As for the overheat protector built inside the motor the allowed maximum voltage is 250V and allowed maximum current is 5A 3 The control cabinet should be prepared by the user and the wiring enclosed by the broken line is just for reference 23 MAINTENANCE servico Manual 1 Service Manual LJ 4 Functions of Main Parts Centrifugal Fan Able to create a current of air flow Able to rotate the fan impeller Heat Exchanger Able to transfer heat between water and air MAINTENANCE 24 Package AHU Service Manual 5 Explosive Views and Parts List B Series Horizontal Package AHU 1 G 1 5WD B M G 4WD B M Uf ES PA D j C 3 S N LLL n r5 l LAT g Z V 9 EIN IRS RSI RE ej Ne E ef 6 6 6 6161 01 611 5 28 285 J j4 xA lt 1314 Lal lt 2 m F 4 Lad m i o p m Ke N Package AHU Service Manual G 1 5WD B M EM50900110 Z N A OO C2 OO C2 N N N N N N N N N N
20. ice Manual Quantity 29 MAINTENANCE Package AHU Service Manual G 4WD B M EM50900081 EM50900080 Z O N JI oO oO oO C2 N N N N N N N N N N MAINTENANCE 30 Name Code Quantity Top Panel Sub Assy 01536322 Right Air Guard 01356242P Side Panel Sub Assy of B 01539442 Side Panel Sub Assy of A 01539439 Middle Column 0185610901P Front Column Sub Assy 01729305 Air Outlet Flange Sub Assy 01499348 Air Outlet Panel Sub Assy 01536330 Fan Motor 15219239 Belt Wheel 10548154 Taper Sleeve 10548211 Belt 76318306 Belt Wheel 10548152 Taper Sleeve 10548210 Water Tray Assy 01279276 Seat board Sub Assy 01536314 Suspend rack sub Assy 01729329 Motor Block Assy 02139231 Supporter 01726303 Motor Mounting Plate 01339235 Motor 15018303 Terminal Block Terminal Block 42011221 Electric Component Mounting Plate 01326174 Cover of Electric Box 01426070P Side Panel with Hole Sub Assy 01646122 Surface Cooler Assy 01126148 Back Column Sub Assy 01729308 Left Air Guard 01729308 Top Air Guard 01369295 Filter Sub Assy 1172601504 Air Inlet Flange Sub Assy 01499344 Electric Box Assy 01396043 Package AHU Service Manual 2 G 6WD B M G 8WD B M 19 1415 M6 M718 y uM c e m P 4 Lad Package AHU Service Manual G 6WD B M EM50900130 Z O N JI oO oO oO C2 N N N N N N N N N N
21. ins and burr at the edge of workpieces With the use of the diamond coated cutting wheel it is intended to cut the non metallic workpieces such as ceramic tile stone block etc With the use of the exclusive cutting wheel it is intended to cut glass With the use of the steel brush it is intended for derusting With the use of rubber pad and round sand paper it is intended for polishing INSTALLATION 8 Te nmm Service Manual 4 Electric Hammer Usage With the use of the hard alloy drilling bit it is intended to drill concrete rock brick etc 5 Percussion Drill Usage It can be used in two differenced ways under the spinning status with the use of the spiral drilling bit it can be used just like the electric drill under the spinning and percussive status with the use of the hard alloy drilling bit it can be used to drill brick concrete ceramic and other brittle materials 1 1 2 Special Electric Tools Hand Held Electric Scissor Usage It is intended to the cut the metal sheet with the cutting blade particularly to trim the edge and the edge angle of the workpiece 9 INSTALLATION servico Manual 1 Service Manual E Electric Riveter Usage It is intended to rivet the individual side of various structures with self plugging rivets particularly for the individual side of the hermetically sealed structure C Other Tools Other most commonly used tools include the piper spanner rubber hammer s
22. just the air flow rate Install the drain pipe Install the insulating material The metal sheet is poorly insulated Install the insulating material 3 Sweating l The panel is poorly insulated or sealed Install the insulating or sealing material Poor Drainage Abnormal Operation High Air Flow Rate Low Air Flow Rate Worn Belt Burnt Motor MAINTENANCE 20 The middle part of the drain pan sinks down The drain pipe is furnished with no or improper water trap The belt wheel breaks away from the axis The belt slips The shaft bearing of the fan motor is worn out The fan impeller contacts the outer casing of the unit The return air valve shakes There are foreign matters Resistance to the air flow is too small The duct is too short The motor rotates fast The belt comes loose or cracks The coil or filter is too dirty Resistance to the air flow is too large The duct is too long The belt wheel or the axis comes loose The motor rotates slowly The belt comes loose Too belt wheels are unbalanced The surface of the wheel groove is too rough The motor is overloaded The motor is powered with improper voltage The motor is poorly insulated Adjust it Install or adjust the water trap Fix or replace it Adjust or replace it Repair or replace it Adjust it Adjust it Clear them Adjust the air flow rate Redesign and replace it Adjust or replace it Clean or replace it
23. oil smog and salt mist 7 Be sure that the hoisting system is capable of withstanding the weight of the unit 8 Be sure that the installation surface installation hanger is capable of the withstanding the weight of the unit Additionally the installation hanger should be furnished with the spring damper and rubber pad to prevent vibration from spreading to the installation surface Horizontal Package AHU Unit mm I UM 21100 Return Air Inlet Water Outlet Pipe Ey Water Inlet Pipe amp Drain Pipe nn ol SSS SSS 2900 Electric Box 1r 21000 Tm psi Supply Air Outlet 9 The joint between the unit and the duct should be sealed properly to avoid air leakage 2 3 2 Piping 1 The design and installation of the pipeline shall comply with related national standard 2 The water inlet outlet pipe and drain pipe are all standard parts and are all used with the male connector 3 The water inlet outlet pipe should be installed with a flexible connector as well as a properly sized filter 4 The water inlet outlet pipe shall be furnished with external valves to control the water flow or cut off the water flow during service 5 During installation the connector can not be tightened excessively to prevent it being damaged 6 When there are two or more inlet outlet pipes they should be connected in parallel 7 The weight of the water pipe can not be withstoo
24. pe Cooling Capacity Correction Heating Capacity Correction C 0 994 0 791 1 063 0 961 0 863 5 PRODUCT Package AHU a Service Manual E 6 Operating Principle and Control 6 1 Operating Principle The cold hot water coming into the heat exchanger exchanges heat with the circulating air return air or fresh air and meanwhile the air is dehumidified and cleaned after that the conditioned air is delivered to each room edid JNO Jem edig I9 uU JejeA Supply Air Fan Return Air Filter PRODUCT 6 Om servico ani E Service Manual INSTALLATION 7 INSTALLATION servico Manual 1 Service Manual Lj INSTALLATION 1 Installation Tools Tools for installing the duct and the unit include the general electric tools special electric tools and other tools 1 1 General Electric Tools 1 Hand held Electric Drill Usage As one of the most widely used tools it is mainly used to drill metal workpieces and also applicable to the wooden plastic workpieces etc 2 Cutting Machine Usage With the use of the fiber reinforced cutting wheel it is intended to cut the round or special shaped steel tube cast iron tube and angle steel channel steel flat steel formed material etc 3 Grinding Machine Usage With the use of the fiber reinforced linear grinding wheel it is intended to cut grind metallic workpieces make the beveling before welding and remove casing f
25. saves much installation space and cost Powerful Rust proofing With the electro galvanized outer surface the hot dip galvanized inner surface and foamed panel of high insulating performance it can function strongly against corrosion rusting and sweating Convenient Service and Maintenance The detachable panel and the adjustable motor base greatly facilitate the service and maintenance PRODUCT 2 Package AHU ES Service Manual 4 Technical Data 4 1 Ultra Slim Horizontal Fresh Air Type Package AHU G 1 5WD B G 2WD B G 2 5WD B G 3WD B EM50900070 EM50900090 EM50900071 EM50900091 EM50900072 EM50900092 4 5 11 Nominal Air Flow Rate Cooling Capacity Heating Capacity Water Flow Rate Resistance to Water Flow ESP Range Ref ESP Range 1 and ESP Range 1 Motor Power Motor Power ESP Range 2 and ESP Range 2 Motor Power Motor Power ESP Range 3 and ESP Range 3 Motor Power Motor Power Net Weight Gross Weight Unit Dimensions WXDXH Package Dimensions WXDXH Stacks Cooling Capacity Ds 7 pos 230 350 1 195 140X112X46 168X112X46 T Do DE DST 60 6 00 0 5 0 0 0 Heating Capacity Water Flow Rate Resistance to Water Flow ESP Range Ref ESP Range 1 ESP Range 1 Motor Power ESP Range 2 Motor Power ESP Range 3 Motor Power Net Weight Gross Weight Unit Dimensions WXDXH Package Dimensions WXDXH Stacks Power Cord Ref Power Supply Dos ESP Range 2 ESP Range 3 230
26. sy 01729331 JI Belt Wheel 10548155 Taper Sleeve 10548218 Belt 76318341 Belt Wheel 10548150 Taper Sleeve 10548213 Motor Block Assy 02139234 NO Motor Mounting Plate 01339257 N Terminal Block 42011221 N N Terminal Block N oO Electric Component Mounting Plate 013206174 N D Cover of Electric Box 01426070 N O1 Side Panel with Hole Sub Assy 01646115 NO O Motor 15014805 N N Back Column Sub Assy 01729336 NO Oo Surface Cooler Assy 01126153 N co Left Air Guard OO Top Air Guard oO Filter Sub Assy 1172601507 oO N Air Inlet Flange Sub Assy 01499352 oO Co Electric Box Assy 01396043 Package AHU Service Manual Quantity 33 MAINTENANCE Package AHU Service Manual G 8WD B M EM50900150 Z O N JI oO oO oO C2 N N N N N N N N N N MAINTENANCE 34 Name Code Quantity Top Panel A 01536326 Top Panel B 01536328 Right Air Guard Side Panel Sub Assy of B 01536348 Side Panel Sub Assy of A 01536347 Front Column Sub Assy 01729239 Middle Column 0185610903P Fan Motor 15018320 Air Outlet Panel Sub Assy 01536346 Air Outlet Flange Sub Assy 01499261 Water Tray Assy 01279286 Seat board Sub Assy 01536317 Suspend rack sub Assy 01729331 Belt Wheel 10548154 Taper Sleeve 10548209 Belt 76318341 Belt Wheel 10549233 Taper Sleeve 10548214 Motor Block Assy 02139234
27. tc INSTALLATION 14 2 Installation Requirements 2 1 Outline Dimensions and Installation Dimensions 2 1 2 Outline Dimensions and Installation Dimensions of Horizontal Package AHU Package AHU Service Manual 40 A 90 60 Left Inlet Outlet Water Pipe 6 E zaza Ea o Y TE Tr ej Lifting Eye E irs i n xt lt O EE O 2 S Water Outlet f m E E Ee HL Return Air 4 HE RS OL ea o a N Water Inlet Q TT Drain Hole ol Led i I tar TH roy O st H o o S z 24 Z a n eoa O st T LLI LL pog Ae 1 tm CT UE ry ae eee o E Right Inlet Outlet Water Pipe 60 A 90 40 H a E Y co
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