Home

himod

1. im 8 8 z 3 E a a 4 o o COOLING WATER OUTLET DK 8 COOLING WATER INLET d SUPPLY LIMIT _ _ E SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 3 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Manual bleed valve 13 Shut off valve 26 Water solenoid valve by the customer English HIMOD A W F D H E 13 Refrigeration circuits Fig 14 Himod SxxKA M25KA A A V LN P gt lt KO X V NAG WY _ SUPPLY LIMIT B 3 4 E SUPPLY LIMIT Ne ALT CONDENSING UNIT POS DESCRIPT
2. Mp 2 iu DX ZX 2 62 2211 21 15 Fo DA 19 o V lin q N A D 2 eee 4 J ge CIS ED Y Oy IN 136 A kO Ces Lal ZA C _ _ SUPPLY LIMIT SUPPLY LIMIT a COOLING WATER INLET Z 3 E amp COOLING WATER OUTLET z a a 3 3 P x o o POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 3 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Water solenoid valve by the customer 13 Shut off valve E 12 HIMOD A W F D H English Refrigeration circuits Fig 13 Himod M34 58U OH ONLY WITH REHEATING COIL OPTION 29
3. Fig 18 Refrigerant water and electrical connections Himod M 34 66 0 1510 1650 1750 e 1285 1505 1710 850 CD 705 no 5 holes 48 OWC1 IWC1 OG1 330 1 IWC2 330 280 EC LN IL2 S 300 OCW ICW HD 230 190 LC OWC2 i OHW 180 150 Dez TT 150 EC OFC OFC p uIFCp 70 C 0e 0 e 70 800 870 1348 1435 Y o 100 180 UNIT FRONT 1375 1465 1565 1655 1750 Precut holes Model tC I Version odels Unit Connection 3 w u ee IL1 NDS OD 16 mm OD 16 mm Refrigerant liquid line inlet 1 M41 47 IL1 OD 18 mm OD 18 mm M34 42 50 58 66 IL2 Refrigerant liquid line inlet 2 OD 16 mm OD 16 mm M31 34 35 42 OG1 OD 18 mm OD 18 mm 90 98 60 Refrigerant gas line outtlet 1 M41 47 OG1 OD 22 mm OD 22 mm M34 42 50 58 66 002 Refrigerant gas line outlet 2 OD 18 mm OD 18 mm 1 1 4 M44 55 ICW GAS_F Chilled water inlet 14g M66 77 ICW GAS_F M44 55 OCW tee Chilled water outlet 11 2 M66 77 ocw GAS_F M31 35 41 47 5 50 58 66 IWC1 1 1 4 1 1 4 Water to condenser 1 inlet 3 3 4 M34 42 IWC1 3 4 GAS F M34 42 IWC2 3 4 3 4 50 58 66 IWC2 Water to condenser 2 inlet 13 47 13 47 M31 35 41 47 5 OWC1 1 1 4 1 1 4 2098 66 Water from condenser 1 outlet M34 42 OWC1 3 4 3 4 M34 42 OWC2 3 4 3 4 M50 58 66 OWC2 Water from condenser 2 outlet 13 47
4. 6 2 Fan connections The fan is electrically feeded by 1 or 2 autotransformers that are connected in order to obtain the nominal air flow and the Static Pressure ESP 20 Pa for Under and 50 Pa for ver To change the factory connection proceed as follow identify the unit s aeraulic graph in the Product Docu mentation choose the curve s point where both the air flow and the static pressure are the most suitable for the installation check the factory fan blocks connection and correct it if necessary see electrical diagram choose the new output fan connections and connect the wires to the relevant blocks 6 3 Protection degree IP2x check After whole of the connections and installation works com prising ceiling elements plenum ducting and floor ele ments base frame check and verify the protection degree HIMOD A W F D H IP2x protection against finger access std CEI 64 8 at the boundary of the air conditioner 6 4 Protective features of EC fan optional The EC fan has been provided with the following protective features Over temperature of electronics Over temperature of motor Locked rotor protection Short circuit at the motor output With any of these failures the motor stops electronically no potential separation the status relay is relea
5. 850 850 CD 705 no 4 holes 48 IL _OCW__ICW 330 344 HFA IHW AE 300 280 iu OG 264 HD OFC OWC 120 COlouw Cep 180 150 zi EC a S 80 0 o e 0 70 230 420 480 620 100 180 280 370 432 662 755 1000 Precut holes UNIT FRONT Version Unit Connection x W S F C IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18mm OD 18 mm I 1 1 4 ICW Chilled water inlet GAS_F N 1 1 4 ocw Chilled water outlet GAS_F IWC Water to condenser inlet 1 GAS F 1 GAS F OWC Water from condenser outlet 1 GAS F 1 GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm Water inlet to Freecooling and 1 1 4 IFC Dualfluid coil OASTE Water outlet from Freecoolingn s 2 1 1 4 OFC and Dualfluid coil GAS5F EE S quce CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English HIMOD A W F D H D 4 Refrigerant and hydraulic connections
6. system STANDARD PIPE DIAMETERS Valid for equivalent lengths up to 50 m i 4 1 Lay the piping taking note of the following copper tube copper tube e Welding MOD external diametre x external diametre x e All joints must be braze welded ipii a mm e Avoid butt welds by using sleeves or enlarging one of the pipes using a pipe opener Gas Liquid Gas Liquid Use silver based solders and the correct appa S04 05 10X1 10X1 10X1 10X1 ratus I 807 2X4 12X1 12X1 10X1 Guaranteea correct weld as a refrigerant leak or 0 0 a faulty weld which leads to a leak later on can 10 12 1 12 1 12 1 12 1 seriously damage the air conditioner 12 14X1 14X1 14X1 14X1 e Always use large radius curves bending radius at 13 14 1 14X1 16 1 16 1 ao to pipe diameter Bend the pipes as fol 17 16X1 16X1 16X1 16X1 soft copper by hand or bending device S20 18X1 16X1 22X1 18X1 e hard copper use preformed curves Do not 23 22 1 18 X1 22 1 18 1 overheat the pipes when welding so as to mini mize oxidation M25 29 31 22X1 18X1 22X1 18X1 1 M34 16X1 16X1 16X1 16 1 2 EEN E Pac I Condensers wi utt welded pipe connections Mas Ne Sch d cut the pipe enlarge it and weld it to the pipeline M41 47 28X1 22 1 28X1 22 1 e Condensers with threaded tap connections flange M42 18X1 16X1 22 X 1 18X1 the pipes and connect M50 58 22X1 1
7. auth EEN e dn 14 Enclosures HUMIDAIR humidifier 1 Technical tables i e Ee Eech RP ER pa iM 1 Installation drawings ENEE Dk R89 EECH BY EE NEEN C 1 Refrigerant and hydraulic connections 00 cece eee eee eee n nnn D 1 Refrigeration E 1 Hot water TT EE EE MM ERE DE VASE curate F 1 English 1 Preliminary operations 1 1 Inspection On receiving the equipment immediately check its condi tion report any damage to the transport company at once 1 2 Handling Always keep the unit vertically upright and do not leave it out in the open Transport the unit using a fork lift truck with front shoul ders at least 1 5 m high to avoid upsetting danger Fig a Unit handling 1 3 Operating limits The units are designed to operate within working ranges see Tab a These limits are referred to new machines or to those that have been correctly installed and serviced The warranty clauses are no longer valid for any possible damage or malfunction that may occur during or due to op eration outside the application values Tab a Operating limits For all units from 18 C 45 R H Room air conditions to 2
8. Component ELECTRICAL HEATING HUMIDIFIER Model FLA A FLA Nominal power 230V 1Ph 50Hz S04 05U O 6 5 1 5 6 5 1 5 400V 3Ph 50Hz S07 10 12U O 6 5 4 50 4 6 3 0 513 17 20 23 U O 8 6 5 85 9 0 5 8 M25 29U O 11 0 7 5 9 0 5 8 M31 66U O 22 0 15 0 13 0 9 0 Component EC OPTIONAL FAN 400V 3Ph 50Hz Model OA A FLA A LRA A Nominal power S13UA 1 00 4 0 0 1 0 62 S17UA 1 17 4 0 0 1 0 72 S20UA 1 55 4 0 0 1 0 96 S23UA 2 39 4 0 0 1 1 48 M25UA 1 77 4 0 0 1 1 08 M29UA 2 32 4 0 0 1 1 44 M31UA 2 0 73 2x 4 0 2x0 1 2 0 45 M34UA 2 1 04 2x 4 0 2X 0 1 2 x 0 65 M35UA 2x 1 04 2x 4 0 2X 0 1 2 x 0 65 M41UA 2x 1 58 2x4 0 2x0 1 2 x 0 98 M42UA 2 x 1 59 2x 4 0 2X 0 1 2 x 0 99 M47UA 2 x 2 25 2x 4 0 2X 0 1 2x 1 40 M50UA 2 x 2 25 2x 4 0 2 0 1 2x 1 40 M58UA 2 x 2 47 2x 4 0 2X 0 1 2x 1 52 M66UA 2 X 3 13 2x 4 0 2X 0 1 2x 1 94 At standard operating conditions ESP 20 Pa for Under units MxxUA Filters class G4 English HIMOD A W F D H Technical data table Tab 5 Calibrations of electrical components Refrigeration Circuit Item COMPONENT SETTING NOTES Contact no STOP 2 barg START 2 8 barg DIFFER fixed 0 8 bar Nolmally 1 Low P itch LP 6 ow Pressure Switch LP Delayed closed fixed setting automatic re automatic set reset see MICROFACE HIROMATIC manual STOP 26 barg START 20 barg 3 High Pre
9. POS DESCRIPTION POS DESCRIPTION 1 Compressor 11 3 way hot gas modulating valve 2 Crankcase heater 12 Check valve 3 High pressure switch HP 13 Shut off valve 4 Water cooled condenser 14 Reheating coil 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 Head pressure control valve 9 Sight glass 19 Hot gas injection valve antifreeze 10 Thermostatic expansion valve 21 Water solenoid valve by the customer 16 HIMOD A W F D H English Hot water circuit Hot water reheating coil optional SUPPLY LIMIT i SUPPLY LIMIT HOT WATER OUTLET HOT WATER INTET POS Optional components 3 Hot water coil 4 Hot water 3 way valve 1 HIMOD A W F D H English ll Fabbricante dichiara che questo prodotto conforme alle direttive Europee The Manufacturer hereby declares that this product conforms to the European Union directives Der Hersteller erklart hiermit dass dieses Produkt den Anforderungen der Europaischen Richtlinien gerecht wird Le Fabricant d clare que ce produit est conforme aux directives Europ ennes El Fabricante declara que este producto es conforme a las directivas Europeas O Fabricante declara que este produto esta em conformidade com as directivas Europeias Tillverkare forsakrar harmed att denna produkt verensst mmer med Europei
10. Fig 5 Himod M34 66U OW ONLY WITH REHEATING COIL OPTION gt COOLING WATER OUTLET gt 4 _ COOLING WATER INLET SUPPLY LIMIT 7 _ _ SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 11 Hot gas solenoid valve ON OFF optional 2 Crankcase heater 12 Check valve 3 High pressure switch HP 13 Shut off valve 4 Water cooled condenser 14 Reheating coil optional 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 Head pressure control valve 9 Sight glass 19 Water solenoid valve by the customer 10 Thermostatic expansion valve English HIMOD A W F D H Refrigeration circuits Fig 6 Himod SxxU OF SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET _ SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 2 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid val
11. Water leakage sensor Liquistat 10 Maintenance Spare Parts AS THE HIROMATIC MICROFACE FEATURES AUTOMATIC RESTART AFTER A SUPPLY IN TERRUPTION EITHER DISABILITATE AUTO RESTART OR OPEN QS SWITCH WHEN PER FORMING ANY MAINTENANCE Maintenance schedule Monthly check ter drops place the sensors at a minimum distance of 50 cm from the unit base perimeter This solution assures alarm intervention for real flooding risk only On a daily basis check the HIROMATIC MICROFACE readings for temperature and if shown rel humidity The Maintenance Programme below should be carried out by a qualified technician preferably working under a maintenance contract Check that the fan motor rotates freely without any abnormal noise and ensure that the FANS bearings are not running hot Also check the current absorption AIR FILTERS Verify the state of the filters if necessary clean or replace them In very dusty ambients perform this check more frequently NEW AIR FILTER Verify the state of the filter if necessary clean or replace it if fitted CONTROL SYSTEM Verify the operation of LEDs display and alarms HUMIDIFIER if fitted See A ELECTRICAL Check the electrical supply on all phases CIRCUIT Ensure that all electrical connections are tight Verify the cooling water circulation COOLING WATER Ensure that there are no water leaks W F and H only Closed circuit only Verify
12. ase ne nea Sg Manufactured at via Leonardo da Vinci 35028 Piove di Sacco Padova Italy d EK 600001 SERIAL MODEL VOLTAGE PHASE FREQUENCY COMPRESSOR FLA LRA FAN MOTOR FLA LRA FAN MOTOR FLA LRA EL HEATER A STAGES OO E Q9 o HUMIDIFIER A STEAM OUTPUT TOTAL FLA ac TOTAL FLA dc HIGH PRESS SWITCH MANUAL SET Bar Ipk Icw REFRIGERANT TYPE R RESET LOW PRESSURE SWITCH SET Bar RESET OPERATING AIR TEMPERATURE min oc OPERATING AIR HUMIDITY min amp amp CIRCUIT MAX PRESSURE Bar MANUFACTURING DATE QT QT QT 8 Koch KA KA Kg Bar ec 00508 oe Attention data relevant to the supplied unit are indicated on the inboard label see below empty fax simile Data in the manual are referred to standard conditions and can be modified without any advance notice v DESCRIPTION Compressor Full Load Ampere A Compressor Locked Rotor Ampere A Compressor quantity Evaporator fan Full Load Ampere A Evaporator fan Locked Rotor Ampere A Evaporator fan quantity Condenser fan Full Load Ampere A oO b N Condenser fan Locked Rotor Ampere A Condenser fan quantity Electrical heating Ampere Electrical heating steps N Hum
13. F H 7 7 10 5 4 14 M35xW F H 8 4 11 2 4 14 M41xW F H 9 6 12 4 4 14 M47xW F H 10 4 13 2 4 14 M34xW F H 4 7 7 5 1 95 M42xW F H 5 4 8 2 1 77 M50xW F H 6 3 9 1 2 51 M58xW F H 74 10 2 4 14 M66xW 8 2 11 0 4 14 N B The air conditioner is supplied complete with refrigerant and oil 1 The recommended oil for units with R407C refrigerant is MOBIL EAL ARCTIC 22 CC For units with R22 refrigerant pay attention to compres sor label if requested mineral oil this will be SUNISO 3 GS if requested ester oil this will be MOBIL EAL ARCTIC 22 CC English HIMOD A W F D H 9 Installation drawings Fig 1 Overall dimensions Fig 2 Overall dimensions Fig 3 Overall dimensions Service Area Service Area Service Area S models M25 29 M31 66 Ps SS b gt Dx Pd Plenum 7 Se m La USE UR N P o i o wo 0 2 x 0 0 NI Base module d e 8 2 o L e d 4 5 el e N 55 O O lt I 2 50 X1 SE 509 AVAILABLE PLENUM HEIGHTS mm CN sion aig DT Caen S04 05 400 S07 10 12 500 S13 17 20 23 750 500 600 700 800 500 600 700 M25 29 850 900 1000 100 1200 800 900 1200 800 900 800 M
14. 810 55 1 STAW SA 814 S17xA W F D H S20xAWIFIDIH Cooling Electrical S23xA W F D H heating M25xA W F D H Fan compressor M29xA W electrical heaters 31 9Ph 400V M34xAWIFIDIH M35xA W F D H M41xA W F D H 576 1906 MAZxAWIFIDIH M47xA W F D H 616 2296 5 140 6 MS58xA W F D H Wan SAW S05xA W SA S07xA W 19 3 53 7 S10xA W S12xAW SA 704 S17xA W F D H S20xA WFDIH Cooling Electrical heating S23xA W F D H Humidification M25xA W F D H Fan compressor electrical M29xA W heaters humidifier M31xA W F D H 3Ph 400V M34xAWIFIDIH M35xA W F D H M41xA W F D H MAZXAWIFIDIH M47xA W F D H M50xA W F D H M58xA W F D H M66xA W 83 4 199 0 RESIDUAL CURRENT CIRCUIT BREAKERS lAn 0 3A 400V 20A 20A 16A 16A 16A 20A 20A 20A 25A 25A 25A 32A 32A 32A 40A 40A 50A 50A 50A 63A 25A 25A 20A 20A 25A 25A 25A 32A 32A 40A 40A 50A 50A 63A 80A 63A 80A 80A 80A 100A 32A 32A 25A 25A 25A 32A 32A 40A 40A 50A 50A 80A 80A 80A 100A 80A 100A 100A 100A 100A NOTES The cables have to be sized in compliance with local standards and according to the type and characteristics e g Amperes of installation The specific power of the user installed switch must be lower than 300 000 A x s Prescriptions on the differential relay required to the user for special places healthcare facilities etc comply with the local regulati
15. Connect a manometer by a tube of max 30 cm to the compressor suction valve c The overheating is the difference between the refrig erant saturation temperature corresponding to the pressure read on the manometer and the real tem perature read on the thermometer 4 The superheat must be 5 8 K if not set the expansion valve as follows a Remove the protective cover b Turn the adjustment screw by 1 4 turn only c Wait 10 minutes d Measure the superheat and repeat the operation if necessary N B If the superheat is too low compressor cool to the touch the screw must be turned in a clockwise direction If the superheat is too high compressor hot to the touch the screw must be turned in a counterclockwise direc tion 9 2 Adjustment of the hot gas injection valve as an tifreeze mode and partial control of the capac ity F D H and Constant THIS OPERATION MUST BE CARRIED OUT BY AN EX PERT REFRIGERATION TECHNICIAN 9 2 1 Features This valve is installed int some special versions See relevant refrigeration circuits It enables a partial control of the evap orating pressure so as to avoid evaporation temperatures lower than zero degrees centigrade and thus any ice forma tion chilled water side even with low temperatures of the return air It injects hot gas exiting the compressor before the evaporator through the gas liquid mixer so as to keep the pressure higher than the set value See the r
16. POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 2 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Solenoid water valve 13 Shut off valve 26 Manual bleed valve E 8 HIMOD A W F D H English Refrigeration circuits Fig 9 Himod SxxU OD M25 47U OD ZA A Ki E AA _ ZEN Lis 9 A ER N 02 Mm CE NZ E s AW E M Oy 9 k V 0 3 SUPPLY LIMIT SUPPLY LIMIT H im u 5 z o c tc e Jr z CONDENSING UNIT Q n 5 5 POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating coil optional 3 High pressure switch HP 15 Evaporator 4
17. 12 0 24 16 0 178 0 356 0 15 0 30 18 0 227 0 454 0 19 0 38 22 0 339 0 678 0 25 0 50 1 The recommended oil for units with R407C refrigerant is MOBIL EAL ARCTIC 22 CC For units with R22 refrigerant pay attention to compres sor label if requested mineral oil this will be SUNISO 3 GS if requested ester oil this will be MOBIL EAL ARCTIC 22 CC Unit coupled with remote condenser suggested for ambient temperature up to 35 C The final charge must be precisely defined in field 2 3 For distance D see Fig 1 4 Topping up is requested for short pipeline too due to the extra charge of refrigerant N B The air conditioner is supplied pressurized with helium at 3 bar Fig 1 Pipeline air conditioner condenser Distance D a b c CDT Conditioner COND Condenser HIMOD A W F D H English Technical data table Tab 8 Refrigerant and oil charge for water cooled models W F H type R407C R22 REFRIGERANT CHARGE MODEL kg OIL CHARGE 1 liters without hot gas with hot gas S04xW 2 5 2 8 0 74 S05xW 2 5 2 8 1 12 S07xW 2 7 3 0 1 24 S10xW 2 7 3 0 1 24 S12xW 2 7 3 0 1 36 S13xW 3 8 5 1 1 36 S17xW 3 8 5 1 1 95 S17xF H 3 8 5 1 1 95 S20xW 4 1 5 4 1 77 S20xF H 4 1 5 4 1 77 S23xW 4 4 5 7 2 51 S23xF H 4 1 5 4 2 51 M25xW F H 6 3 7 8 2 51 M29xw 74 8 8 4 14 M31xW
18. 13 47 Man IHW Hot water inlet opt OD 22 mm Man OHW Hot water outlet opt OD 22 mm M31 34 35 IFC F 1 1 1 4 M41 42 47 50 58 IFC F Water inlet to Freecooling 13 2 M31 34 35 OFC F 1 1 4 M41 42 47 50 58 OFC F Water outlet from Freecooling 13 27 M31 34 35 IFC D C s 1 1 4 1 1 4 M41 42 47 50 58 IFC D C Water inlet to Dualfluid 14 2 14 2 M31 34 35 OFC D C 1 1 4 1 1 4 41 42 47 50 58 OFC D C Water outlet from Dualfluid 14 2 14 2 CD Condensate drain ID 20 mm Mxx HF Humidifier feed opt 1 2 GAS M Man HD Humidifier drain opt ID 22 mm Mxx EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English Refrigerant and hydraulic connections Fig 19 Refrigeration connections Frontal view liquid line Himod SxxxA MxxxA gas line Non return valve IL Refrigerant pipe inlet OG Refrigerant pipe outlet Notes recommended diameters see Table in Chap 4 Fig 20 Water connections Himod SxxxF H MxxxF H Frontal view es Y OWC IWC IWC Water to condenser inlet OWC Water from condenser outlet English HIMOD A W F D H D 6 R
19. 141074 Steam cylinder 343 1 T 141200 Drain tank 1 1 1 1 1 U 141201 Filling cup 1 1 1 1 1 N 141300 Supply valve connection 1 1 1 1 1 K 2400006 Rubber gasket for drain tank 1 1 1 1 1 B 240007 Rubber gasket for supply valve connection 1 1 1 1 1 183209 Complete supply valve 1 183204 Complete supply valve 1 1 1 1 A 183205 Drain valve armature 1 1 1 1 1 H 183206 Drain valve housing 1 1 1 1 1 O 254001 Drain valve solenoid 1 1 1 1 1 254393 Connector for level electrode 1 1 1 1 1 Y 254394 Connector for production electrode 2 3 3 3 3 275905 Isolator for level sensor 1 1 1 1 1 Z 271099 Base 1 1 1 1 1 Spare part recommended Consumable material HIMOD A W F D H English Tab 1 Electrical data Technical data table e Power FLA LRA Configuration Model supply A A S04xA W 36 5 S05xA W SO7xA W 810 96 486 STAW S13xA W 12 8 52 8 S17xA W F D H 520 168 788 S23xAW F D H 21 2 99 8 Cooling M25xA W F D H 98 8 Fan compressor M29xA W M31xA W F D H 31 400V M34xAWIFIDIH M35xA W F D H M41xAWIF D H M42xA W F D H 31 2 909 M47xA W F D H M50xA W F D H 386 1186 M58xA W F D H Wan S04xA W 43 0 S05xA W ia S07xA W 14 7 29 1
20. 24 Safety thermostat 12 Check valve 25 Manual bleed valve 10 HIMOD A W F D H English Refrigeration circuits Fig 11 Himod SxxU OH 2 SUPPLY LIMIT SUPPLY LIMIT MT COOLING WATER INLET 2 8 D COOLING WATER OUTLET z q 8 z 3 POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 3 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Water solenoid valve by the customer 13 Shut off valve English HIMOD A W F D H E 11 Refrigeration circuits Fig 12 Himod M25 47U OH
21. has been designed and built to ensure contin uous operation The working life of some of the main components such as the fan and the compressor depends on the maintenance that they receive If the unit has to be dismantled this operation must be done by skilled refrigeration technicians The refrigerating fluid and the lubricating oil in the circuit must be disposed of in conformity with the laws in force in your country neutralization value 0 03 m x dielectric strenght gt 30kV English HIMOD A W F D H 14 App A HUMIDAIR humidifier The HUMIDAIR represents the best humidifier technology available guaranteeing the steam as clean as possible to Preface Tab a Humidair specifications gether with simple maintenance In order to obtain optimum performance from the HUMID AIR it is advisable to read this manual carefully ABSORBED INDER WA PLYWATER WATER SETTING POWER HIMOD HUMIDAIR MAIN POWER SUPPLIES CURRENT TER VOLUME QUANTITY QUANTITY MODEL MODEL V 10 kg h A kW m Vmin Vmin S04 05 HAK 21L 230V 1ph 50Hz 0 6 2 0 6 5 1 5 4 85 0 3 2 5 S07 12 HAK 53H 400V 3ph 50Hz 1 3 4 5 4 6 3 0 2 84 0 6 2 5 S07 12 HAK 53L 230V 3ph 50Hz 1 3 4 5 8 0 3 0 2 84 0 6 2 5 13 23 M25 29 HAK 93H 400V 3ph 50Hz 2 7 9 0 9 0 5 8 5 34 0 6 2 5 319129 93L 400V
22. that the water pump is operating correctly and bleed any air out of the circuit REFRIGERATION Check the evaporation pressures to be done by a refrigeration technician Check the compressor current absorption its head temperature and the presence of any CIRCUIT unusual noise Ensure that there is no ice formation on the evaporator EXTERNAL CONDENSER Dry cooler See relevant Manual if fitted CHILLED WATER CIRCUIT D and H only Ensure that there are no water leaks In case of leaks eliminate them N B At any sanitary water topping up the antifreeze percentage will reduce thus increa zing the freezing point temperature It is necessary in this case to restore the correct mix ture adding the proper quantity of ethylene glycol Bleed any air out of the chilled water circuit using the bleed valve situated on the top right of the chilled water coil Verify the correct chilled water flow Check the inlet outlet fluid temperature and pressure using the thermometers and ma nometers if fitted 10 1 Refrigeration circuit WHEN REPAIRING THE REFRIGERATION CIRCUIT COLLECT ALL REFRIGERANT IN A CONTAINER DO NOT ALLOW IT TO ESCAPE When either removing for repairs or charging refriger ant this must always be done on both the high and low pressure sides of the compressor simultaneously compressor copper plated steel connections should be welded with a silfos material containin
23. value of about 3 bar The refrigerant must be introduced and charged by taking only liquid fluid from the cylinder A c Atthis point both the vacuum pump and the refriger ant cylinder can be disconnected as follows c1 close the cylinder cock 11a 2 close the way 1 4 SAE of the Rotalock cocks and of the connected Schrader valves Inspect all connections joints using a leak detector Ifa leak is found empty the pipes and the condenser seal the leak and repeat the instructions in 3 6 Now the machine is ready for completing the charge and the start up Charge the refrigerant ONLY LIQUID by means of the charge valve placed at the evaporator inlet 4 2 2 R22 precharge A and D 1 Open all cocks of the system including those used for pressurizing ambient unit and condensing unit By this operation all the components of the refrigerating circuit must be subject to vacuum Connect a proper high efficiency vacuum pump 10 to the couplings for compressor intake and delivery by using if avail able the three way Rotalock cocks coupling 1 4 SAE make sure that all the three ways are open otherwise the Schrader valves welded on the pip ings Three way Rotalock cock coupling 1 4 SAE of the liquid receiver 12 make sure that all three ways are open Schrader coupling 13 fit on the compressor or fan space if the reheating coil option is available Provide for
24. 1 Carry out the instructions in para A 5 1 N Disconnect the supply F and drain D valve wires C Unscrew and remove the drain tank T Unscrew the drain valve assembly screws V Unscrew remove the drain valve solenoid N Unscrew and remove the drain valve armature D Remove the drain valve assembly Clean all parts of the drain valve using a commercially available descaling agent to remove any incrustations 9 Detach the hose from the supply valve Remove the supply valve connection N Unscrew the supply valve F and remove it Clean the supply valve using a jet of water 10 11 12 13 Replace any hose which has become hard and brittle 14 Thoroughly flush the drain line E 15 Reassemble the humidifier by carrying out the above in structions reverse order ATTENTION Always empty the cylinder completely before any close down period HIMOD A W F D H A 3 A 6 Humidifier spare part list It is recommended the use of original spare parts When placing an order quote the part code as well as the air condi tioner model no and serial no INSTALLED QUANTITY ee CODE DESCRIPTION NS eA gs Notes 141070 Steam oylinder 140 1 141071 Steam cylinder 263 1 C 141072 Steam cylinder 243 1 141073 Steam cylinder 363 1
25. 1 and M2 N B Repeat this test inverting the manometers tocalcula te the correct Ap consider the average value of the two readings Refrigeration pipeline Pressure drops Ap bar at 45 C approx R407C R22 At the same geodetic level Ap bar M1 M2 When condenser is above the room unit bar M1 M2 geodetic difference m x 1 1 10 2 e When condenser is below the room unit Ap bar M1 M2 geodetic difference m 1 1 10 2 Fig i Refrigerant line components to the evaporator connection on the Liquid Receiver Liquid receiver valve Filter dryer inlet Schrader valve Filter dryer Sight glass Solenoid valve Thermostatic expansion valve o oc A o0 N Evaporator inlet Schrader valve 8 Operation Unit operation is completely automatic The below sequence explains how the unit operates The air sucked in by the fan s enters the unit The air is immediately filtered The TEMPERATURE sensor or HUMITEMP temperature rel humidity sensor check type installed verifies the state of the inlet air and relays this information to the control system Filtered new air is injected into the air stream via the Fresh Air Intake optional e The treated air passes through the fans which operate continuously and is then dispersed out of the unit Under unit only the air passes from the underfloor void into the
26. 12 690 750 420 490 lt 300 740 480 S13 17 20 23 670 740 50 10 lt 500 730 M25 29 930 1000 lt 800 990 M31 66 1680 1750 0 SH 1749 990 Fig 6 Extension hood Fig 7 Over conditioner with electrical heaters Upflow ducted conditioner equipped with electri cal heaters connected to air duct not supplied by Liebert Hiross Pay attention to the position of insulating material NWWWI aa Note See Chap 2 3 HIMOD A W F D H English Installation drawings Fig 8 Base module Fig 9 Base frame Fig 10 High efficiency filters English HIMOD A W F D H 4 Installation drawings Fig 11 New air module Flexible tube M models only Flexible tube passage OVER CONSTANT UNDER DISPLACEMENT Dimensions mm MODELS A B C S04 05 185 310 320 507 10 12 375 190 420 513 17 20 23 155 450 660 M25 29 650 565 145 M31 66 225 565 145 Fig 12 Bleed valve position jg rt 3 Q 20 1 ie Bleed valve position 517 20 23 F D H 25 58 F D H models Ua ccc as 5 HIMOD A W F D H English Installation draw
27. 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English Refrigerant and hydraulic connections Fig 15 Refrigerant water and electrical connections Himod S 07 12 Plant view i no 4 holes 48 IL OG IWC e EC CD HF HD D OCW OWC ICW C de ewe Q LO lo N 70 55 55 55 260 90 50 115 e Le 750 UNIT FRONT Version Unit Connection w c IL Refrigerant liquid line inlet OD 12 mm OG Refrigerant gas line outlet OD 16 mm ICW Chilled water inlet 3 4 GAS F OCW Chilled water outlet 3 4 GAS F IWC Water to condenser inlet 1 2 GAS F OWC Water from condenser outlet 1 2 GAS F IHW Hot water inlet opt OD 16 mm OHW Hot water outlet opt OD 16 mm CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English HIMOD A W F D H Refrigerant and hydraulic connections Refrigerant water and electr
28. 31 34 35 41 Hs 42 47 50 58 66 WEIGHTS kg MODELS Versions A w F D H K A K W S04 160 165 505 170 175 507 195 200 200 205 510 210 215 215 220 512 215 222 222 229 513 240 247 247 254 517 250 260 290 280 290 260 270 520 260 270 310 300 310 270 280 23 270 280 320 310 320 280 290 M25 415 425 510 500 510 425 435 M29 420 430 M31 565 575 715 705 715 M34 580 590 725 715 725 M35 570 580 720 710 720 M41 585 600 730 715 730 M42 585 600 745 730 745 M47 605 620 740 725 740 M50 620 635 755 740 755 M58 625 650 770 745 770 M66 645 670 Cd HIMOD A W F D H English Installation drawings Fig 4 Air inlet and outlet hole for plenum connection 04 12 Models nr 4 4 5 2mm 13 23 M25 66 Models nr 4 4 5 2mm Amm Bmm C mm D mm E mm F mm G mm S04 05 400 128 352 S07 10 12 500 178 452 S13 17 20 23 750 206 702 206 695 674 750 M25 29 850 240 802 238 945 924 1000 M31 66 850 240 802 238 1695 1674 1750 English HIMOD A W F D H 2 Installation drawings Fig 5 Hole in raised floor BASE FRAME ACCESSORY F G gt FRONT UNIT Dimensions mm MODELS A B c without base with base without base with base without base with base D E F frame frame frame frame frame frame S04 05 320 390 380 S07 10
29. 3ph 50Hz 2 7 9 0 15 6 5 8 5 34 0 6 2 5 25 29 i i i i M31 66 HAK 93H 400V 3ph 50Hz 3 9 13 0 13 0 9 0 5 34 0 6 2 5 M31 66 HAK 93L 230V 3ph 50Hz 3 9 13 0 22 5 9 0 5 34 0 6 2 5 Tab b Humidair specifications for Displacement unit MAX MAX MAX DRAIN MAIN POWER SETTING ABSORBED POWER CYLINDER WA SUPPLY WA WATER HIMOD HUMIDAIR SUPPLIES CURRENT TER VOLUME TER QUANTITY QUANTITY MODEL MODEL V 10 kg h A kW l min min 504 05 D HAK 21L 230V 1ph 50Hz 0 6 2 0 6 5 1 5 4 85 0 3 2 5 S07 12 D HAK 53H 400V 3ph 50Hz 1 3 2 0 2 0 1 3 2 84 0 6 2 5 07 12D HAK 53L 230V 3ph 50Hz 1 3 2 0 3 6 1 3 2 84 0 6 2 5 13 23 D M25 29 D HAK 93H 400V 3ph 50Hz 2 7 4 5 4 6 3 0 5 34 0 6 2 5 13 23 D M25 29 D HAK 93L 230V 3ph 50Hz 2 7 4 5 8 0 3 0 5 34 0 6 2 5 For humidifier current FLA and rated power refer to electrical features in the air conditioner manual Unit is factory set to produce about 70 of the maximum value see Microface manual 2 Installation The humidifier is supplied already mounted within the air conditioner The only necessary operations are the connec tions for the supply water Fig a and drain water Fig b Fig a Supply water connection SUPPLY WATER FEATURES The supply water temperature must never exceed 40 C The supply water pressure must be between 0 3 and 6 bar If greater use a pressure red
30. 5 75 8 5 75 M50xA W 8 5 75 8 5 75 M58xA W 9 0 8 0 9 0 8 0 M66xA W 9 5 8 5 9 5 8 5 M25xF D H 8 5 7 5 8 5 7 5 M31xF D H 6 5 5 5 6 5 5 5 M34xF D H 7 0 6 0 7 0 6 0 M35xF D H 7 0 6 0 7 0 6 0 M41xF D H 8 0 7 0 8 0 7 0 M42xF D H 8 0 7 0 8 0 7 0 M47xF D H 9 0 8 0 9 0 8 0 M50xF D H 9 0 8 0 9 0 8 0 M58xF D H 9 5 8 5 9 5 8 5 NOTE The EC fan settings can be modified acting on the control display see Microface manual English HIMOD A W F D H B 3 Technical data table Tab 3 Electrical data standard component COMPRESSOR FAN 3ph 400V 50Hz Compo 3ph 400V S13 8S23 1ph 230V 504 505 nent 1ph 230V 504 505 507 512 STANDARD R407C MOTOR OPTIONAL R22 Nominal Nominal Winding Nominal Model OA FLA LRA power OA FLA LRA power resistance OA FLA LRA power kW kW Ohm kW 504 0 14 15 3 1 0 20 5 3 10 0 35 0 1 16 2 25 5 1 10 0 35 0 1 12 S05xU 0 1 4 15 3 1 0 23 6 8 11 4 47 0 1 45 1 62 6 6 11 4 47 0 1 40 SO7xU O 2 2 26 4 9 0 34 4 2 5 6 40 0 2 16 4 83 4 0 5 6 40 0 2 07 S10xU O 23 2 6 4 9 0 40 4 8 7 0 46 0 2 51 4 03 4 6 7 0 46 0 2 42 S12xU O 24 2 6 4 9 0 43 5 8 10 0 50 0 3 05 3 88 5 8 10 0 50 0 3 06 S13xU O 2 6 2 8 9 9 0 87 5 7 10 0 50 0 2 97 3 88 5 7 10 0 50 0 3 00 S17xU O 2 6 2 8 9 9 0 98 7 5 12 4 65 5 3 82 2 75 7 4 12 4 65 5 3 71 S20xU 0 4 6 4 8 19 0 1 50 7 9 12 1
31. 7 C 55 R H inlet water max 85 C Hot water circuit temperature water pressure max 8 5 bar Power supply tolerances 10 For A D units Storage conditions Outdoor temperature lower limit Exceeding of winter lower limits will temporarily cause a compressor stop down to 10 C gon below 21 C Consult HPAC standard unit VARIEX required Technical Sales Support Outdoor temperature higher limit This limit is determined by coupled condenser model Exceeding of this limit or a lack of maintenance will caused a compressor stop by HP safety thermostat Reset to normal operation can only be carried out manually HIMOD A W F D H Relative position room unit vs remote condenser From unit to condens from 30 to 50 m er max distance engt equivalent length m from 30 m to 8 m From unit to condens er max geodetic height 1 2 Pipe diameter every 6 m max Additional non re 1 2 mandatory For W F and H units turn valve on delive ry line at 2 m from compressor Water or mixture temperature to condenser min 5 C lower limit other information par 5 4 For F D and H units Chilled water circuit inlet water temperature Max differential pressures on the modulating valve 2 or 3 ways Oil traps on vertical line of gas refrige rant Extra oil charge Variex installation Max differential pressure through the closed valve Apcy Max differential pressure acr
32. 74 0 4 38 2 27 7 8 12 1 74 0 4 32 S23xU O 4 5 4 8 19 0 1 86 11 1 15 9 95 0 5 89 1 80 10 7 15 9 95 0 5 67 M25xU O 4 7 4 8 19 0 1 52 11 1 15 9 95 0 5 89 1 80 11 1 15 9 95 0 5 7 M29xU O 4 6 4 8 19 0 1 90 13 2 20 0 123 0 6 96 1 04 13 2 20 0 123 0 6 5 M31xU O 5 7 6 0 23 0 1 99 13 1 20 0 123 0 6 94 1 04 13 1 20 0 123 0 6 5 M35xU O 5 7 6 0 23 0 2 38 15 1 22 0 127 0 7 96 1 02 15 1 22 0 127 0 7 5 M41xU O 2x4 7 2x48 2x19 0 2x1 51 17 6 27 0 167 0 10 00 0 83 17 6 27 0 167 0 9 3 M47XU O 2546 2x48 2x19 0 2x1 74 20 8 32 0 198 0 12 10 0 72 20 8 32 0 198 0 11 6 M34xU O 57 6 0 23 0 2 38 2x7 5 2x12 4 2x65 5 2x3 82 2 75 2x7 5 2x12 4 2x65 5 2x3 7 M42xU O 2x47 2x48 2x19 0 2x1 51 2x7 9 2x12 1 2x74 0 2x4 39 2 27 2x79 2x12 1 2x74 0 2x4 3 M50xU O 2x4 6 2x4 8 2x19 0 2x1 74 2x11 1 25159 2x95 0 2x5 90 1 80 2x11 1 2x15 9 2 95 0 2x5 7 M58xU O 2x4 5 2x4 8 2x19 0 2x1 89 2x13 2 2x20 0 2x123 0 2x6 96 1 04 2x13 2 2x20 0 2x123 0 2x6 5 M66xU O 2x4 5 2x4 8 2x19 0 2x2 09 2x15 1 2x22 0 2x127 0 2x7 98 1 02 2x15 1 2x22 0 2x127 0 2x7 5 At standard operating conditions ESP 50 Pa for Over units and 20 Pa for Under units Filters class G4 At nominal operating conditions Condensing temperature 45 C Room conditions 24 C 50 RH 4 HIMOD A W F D H English Technical data table Tab 4 Electrical data optional component
33. 8X1 22X1 18X1 RESPECT THE DIRECTION OF REFRIGERANT M66 22X1 18X1 28X1 22X1 NECTIONS LABELS ON REFRIGERANT CON 3 Wash out the pipelines as follows a Plug up the free ends of the pipes b Connecta helium or nitrogen cylinder fitted with a re ducer max pressure 10 bar to the 1 4 SAE Schrad er valve of the condenser When the pipes are more than 50 m long contact Technical Support Department A 2 c Pressurize the pipes with helium or nitrogen 4 1 3 Installing pipelines d Unplug the pipes instantaneously THE FOLLOWING OPERATIONS MUST BE CARRIED OUT e Repeat a d several times BY AN EXPERIENCED REFRIGERATION TECHNICIAN English HIMOD A W F D H 4 THIS OPERATION IS ESPECIALLY IMPORTANT WHEN HARD COPPER PIPING IS USED 4 Open all the room unit shut off valve 5 Discharge the room unit pressurized with helium at 3 bar opening the charge valves so that all the branches of the circuit are discharged e g on the receiver on the low pressure side and on the compressor delivery De weld the bottoms from the connections of the room unit Fix weld the pipes to the connections on the air condi tioner Connect the refrigerant safety valve to the outdoor with a 0 16 copper pipe Tab d Weight of refrigerant contained in piping during operation liquid at different condensing liquid at different condensing EXTERNAL PIPE temperatures tem
34. A ease ie Grass eg ioa e A od LED dE 1 1 4 Noise level IMIS di rag ente oe Sinis Shae e tenga Re oue E baee geg EN E en 1 2 Positioning Z ile IDE AEST M eL EIT eee ig ia hs ea wen xe eV dst c mari 3 KkuMrclE PCR 3 Sali Base module L uu s tree PHP pb ur pe re tellu eoe bebe pet instat bla b t ete osi 3 4 Refrigeration connections 3 4 1 Refrigeration pipeline connections and Di 3 4 2 Vacuum creation and refrigerant charge 6 4 3 Refrigeration aqata eet dete e ate tag les EE 7 Water connections EIER ERAT RES Ex EUR RR Ex RR ERN sa m hus 7 5 1 General warnings sonore vende neca deci NE eae cR een 7 5 2 Water Connections ps erede b hd Rt Redwine en ena wade Te Rod e e dene 7 5 3 Chilled water connections D and H only Eoe mI 7 5 4 Coooling water connections W F and only 7 5 5 Addingethylene glycol uu uu u usakuna les bem bebe hn he Re ee 8 6 Electrical connections e l ec NEE aie de alae wee EERSTEN ee a is m ee 9 6 1 Electrical connections u u u eene Poh Mae Re ER re ENEE SE geo Wales 9 6 2 5 rete be ed key un Dele en RE et eee Ve ne e ene 9 6 3 Protection degree IP2x check u uuu uqusunku yas ma de ka e e dh ye 9 6 4 Prot
35. Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 17 Shut off solenoid valve 6 Access valve 18 7 Safety valve 19 Chilled water 3 way valve 8 Filter dryer 20 Chilled water coil 9 Sight glass 21 Hot gas injection valve antifreeze 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Solenoid water valve English HIMOD A W F D H Refrigeration circuits Fig 10 Himod M34 58U OD m 8 z 3 tc tc a a 4 uj SUPPLY LIMIT 5 5 3 CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating coil optional 3 High pressure switch HP 15 Evaporator 4 Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 17 Shut off solenoid valve 6 Access valve 18 Head pressure control valve 7 Safety valve 19 Chilled water 3 way valve 8 Filter dryer 20 Chilled water coil 9 Sight glass 21 Hot gas injection valve antifreeze 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional
36. ENT D S13DxA W 220 190 S17DxA W 260 220 S20DxA W 190 150 S23DxA W 260 220 M25DxA W 190 190 M29DxA W 260 260 NOTES change the ESP External Static Pressure of the fan 20 Pa for Under and 50 Pa for Over it is necessary to move the following wires R5 15 e R4 T4 dehumidification on S13 17 20 23 160 120 dehumidification on 55 12 motor fan for Himod S04 05 07 10 12 is single phase and no internal changes are requested The motor fan for Himod 513 17 20 23 is 3 phase and is Y connected on all versions Do not connect it at A HIMOD A W F D H English Tab 2b EC optional fan connections Technical data table UNDER U OVER O DISPLACEMENT D CONSTANT K Model Std Dehumidification Std Dehumidification Std Dehumidification Std Dehumidification S13xA W 6 5 5 5 6 5 5 5 6 5 5 5 6 5 5 5 S17xA W 6 9 5 9 6 9 5 9 6 6 5 6 6 9 5 9 S20xA W 73 6 3 73 6 3 7 0 6 0 73 6 3 S23xA W 8 8 7 8 8 8 7 8 8 5 7 5 8 8 7 8 S17xF D H 7 0 6 0 7 0 6 0 S20xF D H 7 5 6 5 7 5 6 5 S23xF D H 9 0 8 0 9 0 8 0 M25xA W 8 0 7 0 8 0 7 0 7 0 6 0 7 5 6 5 M29xA W 8 5 7 5 8 5 7 5 8 0 7 0 M31xA W 6 0 5 0 6 0 5 0 M34xA W 6 5 5 5 6 5 5 5 M35xA W 6 5 5 5 6 5 5 5 M41xA W 75 6 5 75 6 5 M42xA W 75 6 5 75 6 5 M47xA W 8
37. ION POS DESCRIPTION 1 Compressor 11 3 way hot gas modulating valve 2 Crankcase heater 12 Check valve 3 High pressure switch HP 13 Shut off valve 4 Air cooled condenser 14 Reheating coil 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 _ 9 Sight glass 19 Hot gas injection valve antifreeze 10 Thermostatic expansion valve 20 Hot gas injector 14 HIMOD A W F D H English Fig 15 Himod SxxKW Refrigeration circuits COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT SUPPLY LIMIT i POS DESCRIPTION POS DESCRIPTION 1 Compressor 11 3 way hot gas modulating valve 2 Crankcase heater 12 Check valve 3 High pressure switch HP 13 Shut off valve 4 Water cooled condenser 14 Reheating coil 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 Head pressure control valve 9 Sight glass 19 Hot gas injection valve antifreeze 10 Thermostatic expansion valve 21 Water solenoid valve by the customer English HIMOD A W F D H E 15 Fig 16 Himod M25KW Refrigeration circuits SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT
38. Liebert HIROSS AI rqHUC High Performance Air Conditioning H IMOD sam HIGH PERFORMANCE AIR CONDITIONING A W F D H Versions SERVICE MANUAL ws Network Power Liebert HIROSS Rev 31 08 2004 is a division of Issued by T D Service Emerson A Caution We recommend that the manual is retained for the entire service life of the machine the user reads the manually carefully before carrying out any operations on the machine the control is used exclusively for the purpose for which it is intended incorrect use of the control shall release the manufacturer from any liability This manual has been prepared to enable the end user to carry out only the operations that can be made with the closed panels Any operations that require the opening of doors or equipment panels must be carried out only by qualified personnel Each machine is equipped with an Electric Insulating device which allows the operator to work in conditions of safety This device must always be used to eliminate risks during maintenance electric shocks scalds automatic restarting moving parts and remote control The panel key supplied with the unit must be kept by the person responsible for maintenance For identification of the unit model and serial no in case of the necessity for assistance or spare parts locate the identi fication label on the outside of the unit Liebert
39. P 8 Filter dryer 17 Shut off solenoid valve 9 Sight glass English HIMOD A W F D H Refrigeration circuits Fig 2 Himod M34 66U OA e 8 ONLY WITH REHEATING COIL OPTION comm hr V cond EE SUPPLY LIMIT _ SUPPLY LIMIT Whe CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 10 Thermostatic expansion valve 2 Crankcase heater 11 Hot gas solenoid valve ON OFF optional 3 High pressure switch HP 12 Check valve 4 Air cooled condenser 13 Shut off valve 5 Liquid receiver 14 Reheating coil optional 6 Access valve 15 Evaporator 7 Safety valve 16 Low pressure switch LP 8 Filter dryer 17 Shut off solenoid valve 9 Sight glass E 2 HIMOD A W F D H English Refrigeration circuits Fig 3 Himod SxxU OW SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET _ _ _ _ SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 11 Hot gas solenoid valve ON OFF optional 2 Crankcase heater 12 Check valve 3 High p
40. Therefore check the head and the flow rate of the pump to be used 5 5 Adding ethylene glycol Tab f Ethylene glycol to be added to water E 0 5 11 48 27 39 ethylene glycol to add to water 96 in weightof O 10 20 30 40 50 total mixture N B Values are for Shell antifreeze 402 For different brands check manufacturer s data Fig f Advised Dry cooler Installation filling a water HTC F isconnect sees Stand by pump 8 EEN T VE 3 Stand by pump 8 APPLIANCE d optional zz o Qa El shut off valve TS thermostat 4 air separator HTC Variex charge group filter Ramp is reducer non return valve H non return valve x safety valve u illing meter pa O a t t amp ansion tank SS Y drain at lowest point See hydraulic drawings in the Enclosures D English HIMOD A W F D H 6 Electrical connections 6 1 Electrical connections 1 Before proceeding with the electrical connections en sure that all electrical components are undamaged all terminal screws are tight the supply voltage and frequency are as indicated on the unit 2 Power supply cable connections Connect the cable to the Line inlet terminal board Use the cable size defined according to the flow the supply voltage and the instal
41. VAPORATIVE COOL ING TOWER UNLESS THE FILLING WATER HARD NESS IS CONTROLLED The water pressure must be 2 10 bar if this is not so contact the Technical Support Department Therequired water flow at different temperatures is given in our catalogues or on request f necessary very low water temperature insulate both pipes using Armaflex insulation 5 4 2 Notes for closed circuit applications The installation in Fig f is indicative only for individual installations follow the project diagram English Install a pump system calculated on the basis of the NOTES flow and total head of the system see project data and controlled by the compressor running see label on To avoid stratification run the circulation pump for at least the unit 30 min after adding any glycol Insulate both pipes using Armaflex insulation After adding water to the water circuit disconnect the unit from the sanitary water piping system inthis way VERY IMPORTANT Add water and ethylene glycol to the the water mixed with glycol won t return into the same circuit when the ambient temperature is below zero re piping system ferring also to para 5 5 Do not exceed the nominal op erating pressure of the circuit components After any topping up of water check the glycol con centration and add any glycol if necessary SAL KE SSR The hydraulic features of the system vary by adding gly col
42. a connection with refrigerant cylinder be fore making vacuum Make the system vacuum up to a residual pressure of 0 7 absolute mbar then go on for 30 minutes The pressure must be measured by means of a vacuum pressure gauge 10 b on the system side If the complete vacuum is not possible this means that there are some leaks to be removed according to the in structions given in 6 below NEVER USE THE COMPRESSOR TO CREATE A VACUUM THIS INVALIDATES ITS GUARANTEE 5 Break the vacuum as follows a Close the cock 10a of the vacuum pump 10 b Open the cock 11a of the refrigerant cylinder kept vertically to load only gaseous refrigerant c Pre charge is complete when the pressure of the gaseous refrigerant contained in the lines condens S Liquid Receiver L R balances that of the cyl inder d Atthis point both the vacuum pump and the refriger ant cylinder can be disconnected as follows d1 close the cylinder cock 11a d2 close the way 1 4 SAE of the Rotalock cocks and of the connected Schrader valves Inspect all connections joints using a leak detector Ifa leak is found empty the pipes and the condenser seal the leak and repeat the instructions in 3 6 HIMOD A W F D H 4 2 3 Refrigerant charge A and D 1 Start the unit as described in 7 1 2 Manually start the compressor ensure the unit is not in the dehumidification phase 3 Guarantee a constant condensati
43. ation of 20 mm between the gas and liquid pipelines If this is not possible insulate both lines 5 Support both horizontal and vertical pipes with vibra tion damping clamps which include rubber gaskets Place these every 1 5 2m Fig b Recommended pipe layout English Tab b Condenser positioning CONDENSER AND CONDENSER BELOW none oa REH CONDITIONER CONDITIONER AT SAME LEVEL not recommended int necessary necessary necessary gas INSULA ext only for aesthetic reasons only for aesthetic reasons only for aesthetic reasons TION li int absolutely not not necessary no expose to cold underfloor air ext only for aesthetic reasons only if exposed to sun only if exposed to sun room unit I D room unit E room unit 8 LAYOUT gas ET 3 liquid Oil traps every 6 m of vertical piping see Chap 1 Tab a 4 1 2 Pipe diameter The discharge operation of the room unit pressurized with helium at 3 bar and the de welding of the bottoms from the connections must be carried out as last operations immediately followed by the connection and emptying of the whole The diameters of the connecting pipes between the condi tioner and the condensing unit listed in Tab c must be re spected otherwise the guarantee becomes invalid A Tab c Pipe diameters room unit remote condenser
44. ceed as follows see Fig 1 Open the General Switch relative to the humidifier 2 Drain all the water from the cylinder by activating HUM DRAIN in the CONTROL Service menu several times see Control manual 3 Disconnect the steam hose S made of non conduc tive rubber 4 Disconnect the power electrode wires P and level sen sor wire L 5 Undo the clip R 6 Pull the cylinder C out of its gland at the bottom G A 5 2 Replacing the steam cylinder When the steam cylinder is approaching the stage where it needs to be replaced warning A25 is generated see Con trol manual to advise the user that the cylinder must be re placed To replace the cylinder proceed as follows see Fig c 1 Carry out the instructions in para A 5 1 2 Using the new cylinder carry out 4 6 of para 5 1 in re verse order 3 Connectthe steam hose S the clip on the hose needs to be tightened only slightly 4 Manually switch the humidifier on for 2 3 minutes in the HIROMATIC Service menu Then switch it off 5 Drain the water as for 2 in para A 5 1 6 If the air conditioner features a HIROMATIC with Graphic display reset the humidifier working hours window no 1 of PARAMETER MENU to zero 7 Close the General Switch relative to the humidifier A 5 3 Annual maintenance Annually e g before any close down period carry out the following service on the humidifier see Fig c
45. e if the steam cylinder is filled with water and a potential difference is ap plied between the electrodes the water behaves like an ordi nary electrical resistance and becomes hot thus creating steam The steam production rate can be controlled by varying the water level in the cylinder the higher the water level the deeper the electrodes are immersed into it and the greater the steam production Note 1 In case of low water conductivity the cylinder 93H 9 0 kg h or 53H 4 5kg h can be substituted with the cylinder 93L or 53L without changing the power supply Please remember to set the right cylinder type into the Con trol system The steam production will remain unchanged Note 2 When starting with an empty cylinder the water conductivity is normally insufficient for the HUMIDIFIER STEAM OUT PUT to be reached immediately Therefore the humidifier produces as much steam as pos sible to fill the cylinder completely Any evaporation water is immediately refilled The drain valve is kept shut and therefore as the steam does not contain any salts the conductivity of the water within the cylinder slowly increases until the HUMIDIFIER STEAM OUTPUT is obtained The length of the start up period depends upon the water conductivity For very conductive water it may occur that the HUMIDIFIER STEAM OUTPUT is obtained immediately A 5 Maintenance A 5 1 Removing the steam cylinder To remove the steam cylinder pro
46. eating coil optional 4 2 1 R407C precharge A and D 1 English Open all cocks of the system including those used for pressurizing ambient unit and condensing unit By this operation all the components of the refrigerating circuit must be subject to vacuum Connect a proper high efficiency vacuum pump 10 suit able for polyester oils to the couplings Compressor intake and delivery using if available the three way Rotalock cocks coupling 1 4 SAE make sure that all three ways are open otherwise the Schrader valves welded on the pipings Three way Rotalock cock coupling 1 4 SAE of the liquid receiver 12 make sure that all three ways are open Schrader coupling 13 fit on the compressor or fan space if the reheating coil option is available Provide for a connection with refrigerant cylinder be fore making vacuum Make the system vacuum up to 0 3 absolute mbar and after 3 hours check if 1 3 absolute mbar have not been exceeded This condition warrants a humidity lower than 50 ppm inside the system If the complete vacuum is not possible this means that there are some leaks to be removed according to the in structionsin 6 below NEVER USE THE COMPRESSOR TO CREATE A VAC UUM THIS INVALIDATES ITS GUARANTEE 5 Break the vacuum as follows a Close the pump cock 10 for the vacuum 10 b Open the cock of the refrigerant cylinder 11a until the system reaches a pressure
47. ective features of EC fan optional 9 K n GT WEE 10 7 1 First start up or after long standstill 10 2 Starting ANd StOPPING 10 7 9 Automatic restait spese ee Oe eee ale ped eee ee 10 7 4 Checking the refrigeration piping pressure drops 11 8 Operations 2 ea aa bowie tee eaten ae 11 9 Calibrations amp Regulation at start up 11 9 1 Setting the thermostatic expansion valve 11 9 2 Adjustment of the hot gas injection valve as antifreeze mode and partial control of the capacity F D H and Constant 12 9 3 Chilled water valve D only 12 9 4 Water condenser flow control valve F only 12 9 5 Water leakage sensor Liquistat 13 10 Maintenance Spare Parts let asa uma eee ten ahha RUN eee 13 103 Refrigeration eect ees eee aan a ia Peed oa Dene p Abed aa ie a S PR Da 13 10 2 5 parts RP eee Le EE e de ape EE crt 14 10 3 Dismantling the unit as u ios Maa
48. efrigerant and hydraulic connections Fig 21 Chilled water and refrigerant connections Himod SxxxD MxxxD Frontal view Non return valve 4 IN 4 gt OFC IFC OG IL IL Refrigerant liquid line inlet OG Refrigerant gas line outlet IFC Water inlet to Freecooling coil OFC Water outlet to Dry Cooler Fig 22 Chilled water and refrigerant connections Himod SxxxH MxxxH Frontal view OFC IFC OWC IWC IWC Water to condenser inlet OWC Water from condenser outlet IFC Water inlet to Freecooling coil OFC Water outlet to Dry Cooler D 7 English Refrigeration circuits Fig 1 Himod SxxU OA M25 47U OA e O ge o Yo ES A m V j D y EE o See ME ete W Go NS M lt Ee E V OA SUPPLY LIMIT 2 _ i _ SUPPLY LIMIT 3 l CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 10 Thermostatic expansion valve 2 Crankcase heater 11 Hot gas solenoid valve ON OFF optional 3 High pressure switch HP 12 Check valve 4 Air cooled condenser 18 Shut off valve 5 Liquid receiver 14 Reheating coil optional 6 Access valve 15 Evaporator 7 Safety valve 16 Low pressure switch L
49. efrigeraton dia gram 9 2 2 Adjustment The min evaporating pressure is kept by calibrating the valve as follows Drastically reduce the conditioner air delivery Check by a precise pressure gauge the evaporating pressure and the relevant saturation temperature Adjust the valve acting on the adjustment screw so that it intervenes when the evaporation temperature has de creased to 2 C Then check the correct operation of the thermostatic ex pansion valve 9 3 Chilled water valve F D and H only The 2 way F or 3 way D H valve controls the chilled wa ter flow and operates as follows Fig j When the valve is fully open i e max chilled water flow the actuator slot is set to 71 When the valve is closed i e no chilled water flow the actuator slot is set to 0 The valve running time is set to the value specified in the Control Manual Note 1 In the unlikely event of control system failure the valve can be manually controlled by means of the rotary knob It can be used to drive the actuator into any position between 0 and 1 Note 2 When actuator stem is completely down the valve is open and chilled water coil is supplied Fig j Position of the chilled water valve actuator for 2 or 3 way valve 1 diii Hr Position indicator on 0 CLOSED valve 8
50. ention in Control manual e HUMIDIFICATION optional The humidifier creates steam which is distributed into the air stream via the steam distribution pipe see also Enclosure A N B Manual control can be performed using the control sys tem see Control manual 9 Calibrations amp Regulation at start up The air conditioner has already been factory tested and calibrated but it is very important to check at start up the superheating of thermostatic valve all versions and the by pass hot gas valve F D H KA KW See NO TAG and NO TAG Enclosed B that show all valves The air conditioner has already been factory For calibrations of instruments installed on the external condensers Dry coolers refer to the relevant manual For control system calibrations refer to Control manual to prevent erratic operations do not use temperature and rel humidity set points proportional bands which differ excessively from the Standard Settings 9 1 Setting the thermostatic expansion valve THIS OPERATION MUST BE PERFORMED BY AN EXPERI ENCED REFRIGERATION TECHNICIAN The valve has been factory preset and if necessary should be reset as follows 1 IMPORTANT Ensure that the instructions in Chap 4 have been carried out English English 2 Allow the compressor to operate for 15 mins 3 Measure the superheat as follows a Place a contact thermometer on the tube exiting the evaporator b
51. g a minimum of 596 silver HIMOD A W F D H 10 1 1 Refrigerant charge of the water cooled units W F and H 1 Startthe unit as described in para 7 1 2 Manually start the compressor ensure the unit is not in dehumidification 3 Wait a few minutes to allow conditions to stabilize 4 Check whether there are any bubbles visible in the sight glass If there are any this means there is a leak which English must be traced using a leak detector and repaired then recharge the unit until no further bubbles are visible 5 Using a manometer check that the evaporating temper ature is above 0 C 6 Verify the water pressostatic valve WV setting CHAP 8 7 Verify that the superheat is 5 8 K to do this refer to Chap 8 10 1 2 Oil charge R407C The oil to be used when topping up only if there are any leaks is Mobil EAL Arctic 22CC see Tab g Tab g Mobil Arctic EAL 22CC oil for R407C only density at 15 C 0 967 kg l flash point C O C 245 C Pour point lt 54 C viscosity at 40 C 23 6 cSt viscosity at 100 C 4 7 cSt viscosity index ASTM D2270 130 These oils rapidly absorb the humidity present in the air when they are exposed to the atmosphere If the oil absorbs humidity the ester molecules can break down forming acidity We therefore recommend exposing the oil for as short a time as possible a few minutes and in case of topping up using e
52. hilled water connections D and H only Fig e Use copper or steel Mannesmann tubing e Place the tubing on supporting saddles 1 e Insulate both tubes using Armaflex insulation 2 e Place shut off ball valves 3 at the conditioner inlet and outlet to allow easy maintenance tis useful to install a thermometer 4 and a manometer 5 at the conditioner inlet and outlet Install a water drain tap 6 at the lowest point in the cir cuit Fill the circuit with water glycol see Fig e Fig e Chilled water circuit Air conditioner 5 4 Coooling water connections W F and H only The unit must receive cooling water as follows a from an external cooling water source in open circuit para 5 4 1 and Figures in Enclosures b using a Dry cooler in closed circuit para 5 4 2 Connect the piping as shown in Enclosures D t is advisable to use hoses to be connected with 3 piece joints to the condenser water inlet and outlet couplings IMPORTANT fit a standard strainer on the inlet water pip ing Place shut off ball valves at the conditioner inlet and outlet to allow easy maintenance It is advisable to install a water drain system at the lowest point in the circuit Fully drain the piping before connecting it to the air con ditioner 5 4 1 Notes for open circuit applications Use the unit with mains or well water DO NOT USE WATER FROM AN E
53. humidifier and its connections from DRAIN VALVE ASSEMBLY D A filling cup SUPPLY VALVE F overflow tube supply valve ro humidifier Power Se E 22 electrodes to electrical i supply from level sensor P to interface level electrode power electrodes steam cylinder drain valve fom supply valve to interface from EE ee sas supply valve to interface HIMOD A W F D H English English 4 Start up and operation A 4 1 Start up Before using the humidifier check the following e Supply and drain connections That the cut off tap is open All wiring e Steam hose connection between steam cylinder and distributor To start the humidifier simply switch on the air conditioner which will in turn automatically start and stop the humidifier as required The adjustable parameters which determine humidifier operation have already been factory preset see HIROMATIC manual A 4 2 Operation Water provided it contains even a small quantity of salts in solution is a conductor of electricity Therefor
54. ical connections Himod S 13 23 Fig 16 1 o 9 no 4 holes 048 159 100 n I FC l 1 OFC I CW ig EC CD HF HD eu OG IL OWC I WC o 70 155 155 155 350 50 115 e m 750 EN UNIT FRONT 3 Version Unit Connection 4 W d F IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18 mm OD 18 mm ICW Chilled water inlet 1 GAS F ocw Chilled water outlet 1 GAS F IWC Water to condenser inlet 3 4 GAS F 3 4 GAS F OWC Water from condenser outlet 3 4 GAS F 3 4 GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm IFC Water inlet to Freecooling Dualfluid coil 1 GAS F 1 GAS F 1 GAS F OFC Water outlet from Freecooling Dualfluid coil 1 GAS F 1 GAS F 1 GAS F CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English Refrigerant and hydraulic connections Fig 17 Refrigerant water and electrical connections Himod M 25 29
55. icroface with Temperature and Humidity Control 6 Hiromatic Evolution with Temperature Control Languages SET 1 7 Hiromatic Evolution with Temperature and Humidity Control Languages SET 1 8 Hiromatic Evolution with Temperature Control Languages SET 2 9 Hiromatic Evolution with Temperature and Humidity Control Languages SET 2 1 Languages SET 1 GB E I D E P NL S 2 Languages SET 2 GB PL CZ H RUS TK Note For Constant with 7 9 options available only G Frontal Upflow Other Configurations K Constant Upflow only L Constant Top Frontal Flow only Digit 11 Reheating System 0 None G Hot gas coil W Hot water coil Digit 12 Air Filter Efficiency 0 G4 1 F5 2 G4 with Clogged Filter Pressure Switch F5 with Clogged Filter Pressure Switch Digit 13 Refrigerant 0 R407C 1 R22 Digit 14 Free Digit 15 board MCB for Remote Air Condenser 0 NoMCB 1 MCB 6 A single circuit condenser 2 MCB 10A single circuit condenser Digit 16 Packing P PLP and Pallet C Cardboard and Wooden Crate S Seaworthy Digit 17 Special Requirements Standard LiebertHiross X Special LiebertHiross Index 1 Preliminary operations O ote te lu Re Deu tela Ll eee ee a a 1 T4 Inspection eee alten epi et pe Febre ight 1 1 2 Soc dope cte tne eget ta A 1 13 Operating limits ren E ue L
56. idifier Ampere k Steam production capacity Max unit AC Ampere a Max unit DC Ampere o Rated peak withstand current Rated short time current Refrigerant type High pressure switch Stop N High pressure switch Restart N Low pressure switch Stop N N Low pressure switch Restart N Min room operation temperature N room operation temperature N a Min room operation humidity room operation humidity N N Max refrigeration circuit pressure Digit Nomenclature DX unit The unit is fully defined by seventeen digits DDDDD 61718 9 10 11 12 13 14 15 16 17 2111 S 04U A LJ Digit 5 Digit 1 Version Family A Air Cooled S Small Digit 4 W Water Cooled M Medium Air distri Freecooling oe D Dualfluid Air Cooled O Owen H Dualfluid Water Cooled Digit 2 and 3 D Displacement Size Cooling Capacity kW approx Nominal Cooling Capacity Digit 6 Fan 0 Standard fan 1 EC fan Digit 7 Main Power Supply 400V 3 Ph 50 HZ 1 230 V 3 Ph 50 Hz 2 230 V 1 Ph 50 Hz Digit 8 Electric heating 0 None 1 Electric heating Digit 9 Humidification 0 None V Electrode humidifier Digit 10 Microprocessor Control 0 Microface with Temperature Control 1 M
57. ings Fig 13 Supply cable path HIMOD S 04 23 See o AS a HIMOD M 25 29 Reese E through service area e eee ee Electrical H connection path male UNDER DISPLACEMENT Electrical connection path directly to the electrical panel OVER HIMOD M 31 66 Sees SSS d Jf E Electrical connection path through service vane UNDER OVER X English HIMOD A W F D H Refrigerant and hydraulic connections Fig 14 Refrigerant water and electrical connections Himod S 04 05 Plant view i no 4 holes 48 IL OG IWC EC CD HF HD OCW ICW OOOC ZEN i X 2 is Lo wo q q 1 70 55 55 55 310 40 50 115 750 UNIT FRONT Version Unit Connection w IL Refrigerant liquid line inlet OD 12mm OG Refrigerant gas line outlet OD 12mm ICW Chilled water inlet 3 4 GAS F ocw Chilled water outlet 3 4 GAS F IWC Water to condenser inlet 1 2 GAS F OWC Water from condenser outlet 1 2 GAS F IHW Hot water inlet opt OD 16 mm OHW Hot water outlet opt OD 16 mm CD Condensate drain ID
58. lation type Protect the supply using a back up fuse e Donot fit the supply cable in the raceways inside the machine electric board Fig g Electrical connections Use multipolar cables with sheath CEI20 22 only 3 Wiring connections Fig g Connections for remote on off and hot water con sent must be done by the installer According with compressor running two terminals for the opening of a water solenoid valve are avail able by installer W H units us General Alarm terminals allow remote alarm sig nalling 4 In case of short circuit check the sticking of the involved switch and possibly replace it See electrical data in Enclosures B Technical data tables AUXILIARY TERMINAL BOX Cooling Electr heating Humidification remote on off 1 CLOSE ON 020 clogged filter CF 1 CLOSE OK 33 water leakage LWD 1 102 GENERAL ALRM 400 401 NC 400 NC alarm or unit off 401 C 402 NO smokestat firestat AAP 19 optional CLOSE ON 50 operating fan 70 CLOSE ON 71 operating compressor 72 CLOSE ON 73 user alarm or AAP 1 CLOSE OK 30 freecooling relay enabling F1 F D H only CLOSE ON 0 chilled water thermostat enabling D only 105 CLOSE compressor ON 106 water solenoid valve enabling by installer before 58 compressor intervention W H unit 24 Vac 1A max G
59. on temperature pre ferably 42 45 C if necessary partially obstruct the condenser coil surface or limit its ventilating power to ob tain these conditions 4 Charge the unit until the bubbles in the sight glass have disappeared and the working conditions of the entire re frigeration circuit have become normal 5 Verify that the superheat is 5 8 K to do this refer to para 9 1 4 3 Refrigeration circuits See drawings in Enclosure E B Water connections 5 1 General warnings ENSURE THAT THE TUBING DOES NOT OBSTRUCT THE AIR FLOW Under only IF THE TUBING IS TO RUN OUTDOORS ADD ETHYLENE GLYCOL TO THE CIRCUIT AS DESCRIBED IN PARA 5 5 5 2 Water connections Condensate drain Fig d Use galvanized steel PVC or flexible polythene tub ing Allow a 2 gradient towards the drain There must be a drain trap 1 placed at least 25 cm below the drain tray 2 In the units S13 S23 and Mxx the drain trap must be placed under the unit in the false floor e Fill the drain trap with water 3 Fig d Condensate drain ATTENTION po n OT CUT TI OF THIS DRAIN TRAP BRACKET GES USE TEFLON TAPE AND CONNECTIONS to be connected by user BETWEEN FLEXIBLE Tupi Humidifier optional See Enclosure A Hot water optional Use copper or steel Mannesmann tubing e Insulate both tubes using Armaflex insulation HIMOD A W F D H 5 3 C
60. ons For ordinary places a low sensitivity is suggested 300 mA coordinated with the value of the ground heater IEC 364 Ra v 50 la Art 413 1 4 1 CEI 64 8 Incase of frequent over voltages with mains impulse it is advisable to install a selective differential and to evaluate the need for adopting other devices English HIMOD A W F D H Technical data table Tab 2 Standard fan connections for HIMOD with autotransformer Autotrasformer outlet voltage Configuration Model Shane i Dehumidification 504 140 120 505 160 140 507 170 130 150 510 200 170 185 S12xA W 215 185 200 S13xA W 260 220 S17xA W 290 260 S20xA W 220 190 UNDER U S23xA W 290 260 OVER O M25xA W 220 190 CONSTANT K L M29xA W 290 160 GRILLE G M31xA W 220 190 M34xA W 260 220 M35xA W 260 220 M41xA W 220 190 M42xA W 220 190 M47xA W 260 220 M50xA W 260 220 M58xA W 290 260 M66xA W 330 290 S17xF D H 290 260 S20xF D H 220 190 S23xF D H 290 260 M25xF D H 290 260 M31xF D H 260 220 UNDER F D H M34xF D H 290 260 OVER F D H M35xF D H 290 260 M41xF D H 260 220 M42xF D H 260 220 M47xF D H 290 260 M50xF D H 290 260 M58xF D H 330 290 S04DxA W 120 120 S05DxA W 140 120 S07DxA W 150 130 S10DxA W 185 170 S12DxA W 200 185 DISPLACEM
61. oss the valve for modulating service APms Models Ap 1 kPa 1 Positive difference in height condenser above conditioner 2 Negative difference in height condenser below conditioner Other information in para 5 3 14 Noise level limits The sound pressure level in free field at 1 5m heightand 2m in front of the air conditioner with compressor and fan in op erations is less than 70 dBA for all models English The units are available in the four configurations shown below English U UNDER O K OVER Downflow Upflow with front air return D DISPLACEMENT G L GRILLE Frontal air discharge at floor level Frontal upflow with front air return S04 05 models HIMOD A W F D H 2 Positioning See overall dimensions and service area drawings in Enclo sures C Note for ducted Over conditioner and with electrical heaters in the case of plenum or duct not supplied by us To avoid overheating of insulation material of a plenum or a duct in the case of a ventilation fault before the safety thermostat intervention it is mandatory to locate the insulation material at a distance higher than 30 cm from the top of the of the air conditioner 3 Installation ATTENTION The conditioner must never be installed out of doors See drawing
62. perating on the ON OFF switch placed on the left case of the unit Fig h If the ON OFF remote device is not installed the green LED on the Microface case will light up together with the LED placed below the ON OFF Switch The fan starts immediately the fan always works when the unit is ON after 2 minutes the regulation is acti vated so the cooling compressor heating electric heat ers humidifying and dehumidifying devices can start Adjust the set point as indicated in Control manual Stop the unit putting the ON OFF switch in OFF 7 3 Automatic restart If desired the unit will automatically restart on the return of power after a supply interruption see Control manual If the power interruption is expected to be of several hours to avoid an automatic cold restart of the compressor stop the unit before the black out and on the return of power allow the compressor to preheat before restarting the unit Fig h On Off switch HIMOD A W F D H 10 11 7 4 Checking the refrigeration piping pressure drops Himod S is equipped with connections to check the refrig eration piping pressure drops room unit condenser room unit To carry out this operation it is necessary to use 2 calibrated manometers and connect them as follows M1 connected to the compressor delivery valve M2 connected to theSchrader valve 2 of Fig i When the compressoris ruuning check M
63. peratures reca gas R407C kg m R22 kg m 35 0 46 0 57 0 35 0 46 0 57 0 10x1 0 0031 0 06 0 06 0 05 0 06 0 06 0 05 12x1 0 0049 0 09 0 09 0 08 0 09 0 09 0 08 14x1 0 0068 0 11 0 11 0 10 0 12 0 12 0 11 16x1 0 0085 0 17 0 16 0 15 0 18 0 17 0 16 18x1 0 012 0 23 0 22 0 20 0 24 0 23 0 21 22 x 1 0 019 0 34 0 32 0 31 0 36 0 34 0 33 28 x1 0 033 0 58 0 55 0 52 0 61 0 58 0 55 Due to the small weight influence at 15 5 bar discharge temp 65 C only 0 062 kg l for R407C and R22 is considered Liquid pressure and density varies according to condensing temperature see refrigerant tables Tab e Equivalent lengths m of curves shut off and non return valves gf GC Y mm 90 45 180 90 12 0 50 0 25 0 75 2 10 1 90 14 0 53 0 26 0 80 2 20 2 00 16 0 55 0 27 0 85 2 40 2 10 18 0 60 0 30 0 95 2 70 2 40 22 0 70 0 35 1 10 3 20 2 80 28 0 80 0 45 1 30 4 00 3 30 HIMOD A W F D H English 4 2 Vacuum creation and refrigerant charge Check the refrigerant type to be used on the data plate of the air conditioner and on the refrigerating compressor Fig c Pump and refrigerant charging cylinder con nection for vacuum creation and refrigerant charge only with reh
64. ressure switch HP 13 Shut off valve 4 Water cooled condenser 14 Reheating coil optional 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 Head pressure control valve 9 Sight glass 19 Water solenoid valve by the customer 10 Thermostatic expansion valve English HIMOD A W F D H Refrigeration circuits Fig 4 Himod M25 47U OW 1 88 KO SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 11 Hot gas solenoid valve ON OFF optional 2 Crankcase heater 12 Check valve 3 High pressure switch HP 13 Shut off valve 4 Water cooled condenser 14 Reheating coil optional 5 Liquid receiver 15 Evaporator 6 Access valve 16 Low pressure switch LP 7 Safety valve 17 Shut off solenoid valve 8 Filter dryer 18 Head pressure control valve 9 Sight glass 19 Water solenoid valve by the customer 10 Thermostatic expansion valve E 4 HIMOD A W F D H English Refrigeration circuits
65. room via air distribution outlets The control system compares the relayed information to the set point and proportional band values programmed HIMOD A W F D H into its memory it then commands the air conditioner to treatthe air as follows see also Control manual COOLING Direct expansion mode DX The compressor is started and the cold refrigerant flows through the evaporator thus cooling the air passing over it For compressor operation see Control manual HEATING This can take one of two three forms electrical heating optional the heating elements heat the air passing over them There are 3 heating steps hot water heating optional if hot water is available this flows through the hot water coil thus heating the air passing over it The hot water flow is controlled by an on off 3 way valve hot gas reheat optional used during dehumidifica tion the hot refrigerant which exits the compressor flows through the hot gas coil thus heating the air passing over it e DEHUMIDIFICATION optional DX mode One of the compressors starts and either the air flow or the evaporator surface is reduced depending on the model thereby causing dehumidification refer also to Control manual In freecooling mode see Control manual N B If during dehumidification the ambient tempera ture drops below a specified level dehumidification will be stopped if necessary see LOW LIMIT interv
66. s correct see Chap 4 Using a leak detector verify that there are no refrigerant leaks If there are any then repair the leak and recharge as described in Chap 4 5 Atleast 4 hours before start up close QS and QF8 on the electrical panel In the Microface control system factory setting the stand alone mode is standard The stand alone mode gives the possibility of turning on the unit simply rotating the main switch on the electric panel The yellow LED on the Microface case will light after turning on the unit be cause of the presence of electric power If the LED does not light up check the electric panel power supply check the protection devices e g thermal switches check the fuses 6 Verify the operation of the crankcase heater 7 Check that there are no water leakages 8 D and H only Bleed all air out of the chilled water circuit using the bleed valve on the chilled water coil 9 If an external condenser or Dry cooler is installed start it by supplying power to it 10 Close all MCBs on the electrical panel 11 Check the supply voltage on all phases 12 Check the supply voltage on all phases for the external condenser or Dry cooler if fitted 13 ENSURE THAT THE COMPRESSOR HAS BEEN PRE HEATED FOR AT LEAST 4 HOURS BEFORE START ING THE UNIT 14 Start the unit by pressing ON OFF see Fig h 15 Check the electrical absorption of all components see Chap 6 16 Checkthe elec
67. s in Enclosures C 3 1 Base module If there is no raised floor below the unit it must be placed ona base module to allow access to the external connections The conditioner is connected to the base module by 4 screws 4 Refrigeration connections 4 1 Refrigeration pipeline connections A and D The air condensing units are delivered helium pressur ized at 3 bar The discharge operation of the room unit pressurized with helium at 3 bar and the de welding of the bottoms from the connections must be carried out as last operations immediately followed by the connection and emptying of the whole system 4 1 1 General layout Tab b 1 In soft or hard copper The diameter required is stated in Tab c If the installer intends to use pipes of a larger diameter e g for long winding runs then consult HPAC Technical HIMOD A W F D H Sales Support Use as short refrigeration pipelines as possible to mini mize the total charge of refrigerant and the pressure drops For long runs over 50 equivalent m contact HPAC Technical Sales Support Lay the horizontal gas pipes with 1 downward gradient towards the refrigerant flow 2 Reduce the number of bends which must be of large ra dius to a minimum 3 Insulate the piping as specified in Tab b If the pipes are put next to electrical cables it is advised to insulate them to avoid damage to cable insulation 4 There must be a minimum separ
68. sed NO automatic restart To reset the alarm power supply has to be switched off for min 20s once motor is at standstill Mains under voltage detection if mains voltage falls below 3ph 290Vac typical value for 5s minimum motor will be swithed off only by elec tronics no potential separation status relay is released English English If mains voltage returns to correct values the motor will restart automatically Phase failure recognition if one phase failes for 5s minimum motor will be switched off only by electronics no potential separa tion status relay is released If all 3 phases return to correct values the motor will restart automatically within 10 40s The power supply for an external speed setting potentiome ter is short circuit protected Motor is overload protected via motor current limitation Warning Leakage current of the motor is 7 mA roughly 7 Start up 7 1 First start up or after long standstill TO PREVENT COMPRESSOR DAMAGE THE CRANK CASE S MUST BE PREHEATED FOR AT LEAST 4 HOURS BEFORE CONDITIONER START UP FAILURE TO DO SO INVALIDATES THE GUARANTEE Start the air conditioner as follows 1 Open all valves in the refrigeration circuit according to the instruction label attached to the valve 2 W F and H only Open all valves in the water circuit ac cording to the instruction label attached to the valve 3 Ensure that the refrigerant charge i
69. ska Uniones direktiv De Fabrikant verklaart dat dit produkt conform de Europese richtlijnen is Vaimistaja vakuuttaa taten etta tama tuote tayattaa seuraavien EU direktiivien vaatimukset Produsent erkl rer herved at dette produktet er i samsvar med EU direktiver Fabrikant erkl rer herved at dette produkt opfylder kravene i EU direktiverne O Snover t to kovaokevaou vo avUPMVva ue vc OSnyies tng E E 98 37 CE 89 336 CEE 73 23 CEE 97 23 EC Since the Liebert HIROSS Company has a policy of continuous product improvement it reserves the right to change design and specifications without previous notice Zona Industriale Tognana Via Leonardo da Vinci 8 HIROSS 35028 PD Tel 39 049 9719111 EE Telefax 39 049 5841257 internet www liebert hiross com A Liebert HIROSS EMERSON is a division of EMERSON Network Power p a P 7 P O x E 5 a ej gt S 2 E 215 2 o a gt 2 5 a 20
70. ssure Switch HP EE eer fixed setting manual re n d set Reset Clogged filter differential pressure switch ee d E had praia Setting ring 6 HIMOD A W F D H English Tab 6 Adjustments and calibrations of valves see Enclosed E Refrigeration circuits Technical data table Refrigerant Calibration amp ee I Circuh Pos Component Operating Application Model Drawing Overheating control epum 10 Thermostatic valve 5 8K All versions mod TCBE 566 para 9 1 mod TDEZ ALCO 18 Head Pressure control id Himod W F H HPS T4 225 HP8 T5 225 Hot gas injection 3 way ON OFF action con Himog SCC A W F D H ALCO 11 JANE trolled Dy Microface no Himod Con 3031RC12S7 Reheating mode re heating stant Hot gas injection 3 way k d o valve rae i y Himod K only Siemens Room thermal load 5 MO VDG Constant M3FB15LX control see para 9 3 Hot gas injection Antifreeze protecion in Himod F D H Freecooling unit Modulating action Wegen 21 22 N B Calibrated at Danfoss 2 C at machine CPCE LG x Hot gas injection start up Regulating Evaporating pressure Himod KA KW Screw control Modulating action 2 Way water servomotor see para Himod F pus 9 4 19 Modulating action 3 way water servomotor see para ou um pie 9 4 I ON OFF action Parker 451 25 Solenoid vai
71. trical absorption of the external condens er Dry cooler if fitted 17 IMPORTANT If the compressor makes a loud and unusual noise IT IS NECESSARY TO INVERT the electrical connections of the phases supplying the corresponding scroll compressor which accepts only one direction of rotation 18 Ensure that the fans rotate in the correct direction see arrow on fan 19 Ensure that all control system settings are correct and that there are no alarms see Control manual 20 W F and H only Verify the water flow 21 W F and H only For closed circuit units ensure that the water pump starts when the compressor starts 22 Verify the Fresh Air Intake operation if fitted 23 Once the system is operating under load check the va rious components as follows Verify that the fans are operating properly e Ensure that the temperature and relative humidity are being controlled and that the humidifier option al and heating steps optional operate when re quired e Ensure that the compressor operates when required DandH only Ensure that chilled water valve oper ates when required e Ensure that the fan operation controller on the exter nal condenser Dry cooler if fitted is calibrated cor rectly and that it controls the fan operation 7 2 Starting and stopping e ALWAYS ENSURE THAT EACH CRANKCASE HAS BEEN PREHEATED FOR BRIEF STOPPAGES KEEP THE SUPPLY TO THE CRANKCASE HEATER Turn on the unit o
72. ucing valve set to 3 4 bar Sanitary water should be used Do not use demineralized water or water containing impurities Conductivity range 125 1250 nS cm water supply supplying limit CUT OFF TAP Must be included in the supply water tubing SUPPLY WATER TUBING Ve G m connections Itis supplied a 1 m long plas tic tube diameter 6 x 1mm with ALTERNATIVE SUPPLY WATER TUBING Unscrew the ring nut A and connect a tube straight to the 3 4 G Male connection B on the humidifier English HIMOD A W F D H Fig b Drain water connection DRAIN WATER DEVICE Dispose the drain water into an ordinary drainage net work using a funnel the drainage network must be able to withstand water tem peratures up to 100 C WATER DRAIN TUBING It is supplied a hose with an inte gral drain trap DO NOT DISMANTLE THE DRAIN TRAP DO NOT DISMANTLE THE DRAIN TRAP The hose is already fitted onto the humidifier drain outlet K Fill the drain trap with water L The drain pipe is made of plas tic material which does not conduct electricity NOTES 1 Allow a 2 gradient towards the drain outlet 2 Avoid back pressures in the drain piping A 3 Humidair components The components of the HUMIDAIR humidifiers are shown below Fig c The
73. ve coupled to valve 19 SES PM 133 CN gt Z j English HIMOD A W F D H 7 Technical data table Tab 7 R407C R22 refrigerant and oil charge for air cooled models A D type BASE REFRIGERANT CHARGE 2 BASE OIL CHARGE 1 liters MODEL kg oil within compressor without hot gas with hot gas initial oil charge Max topping up S04xA 2 2 2 5 0 74 0 62 S05xA 2 2 2 5 1 12 1 01 507 2 2 2 5 1 24 1 12 S10xA 2 2 2 5 1 24 1 12 S12xA 2 2 2 5 1 36 1 24 S13xA 2 9 5 7 1 36 1 24 S17xA 2 9 5 7 1 95 1 83 S17xD 2 9 4 2 1 95 1 83 S20xA 3 2 6 0 1 77 1 66 S20xD 3 2 4 5 1 77 1 66 S23xA 3 5 6 3 2 51 2 40 S23xD 3 2 4 5 2 51 2 40 M25xA D 5 0 6 4 2 51 2 40 M29xA 5 5 6 9 4 14 4 05 M31xA D 5 8 8 6 4 14 4 05 M35xA D 6 2 9 0 4 14 4 05 M41xA D 6 7 9 5 4 14 4 05 M47xA D 7 1 9 9 4 14 4 05 M34xA D 3 7 6 5 1 95 1 83 M42xA D 4 4 7 2 1 77 1 66 M50xA D 5 0 7 8 2 51 2 40 M58xA D 5 5 8 3 4 14 4 05 M66xA 6 0 8 8 4 14 4 05 Tab 7a Refrigerant and oil pipe charge Pipe diameter mm Refrigerant pipe charge kg m for distances D 3 Cil pipe charge I charge to be added for every charge to be added for every Liquid without hot gas with hot gas 10 m over 30 m between 10 m over 30 m between CDT and COND CDT and COND 2 10 0 070 0 140 0 05 0 10 12 0 101 0 202 0 08 0 16 14 0 137 0 274 0
74. ve ON OFF optional 24 Safety thermostat 12 Check valve 25 Solenoid water valve 13 Shut off valve 6 HIMOD A W F D H English Refrigeration circuits Fig 7 Himod M25 47U OF SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating coil optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 17 Shut off solenoid valve 5 Liquid receiver 18 Head pressure control valve 6 Access valve 19 Chilled water 2 way valve 7 Safety valve 20 Chilled water coil 8 Filter dryer 21 Hot gas injection valve antifreeze 9 Sight glass 22 Hot gas injector 10 Thermostatic expansion valve 23 Inlet water thermostat 11 Hot gas solenoid valve ON OFF optional 24 Safety thermostat 12 Check valve 25 Solenoid water valve 13 Shut off valve English HIMOD A W F D H Refrigeration circuits Fig 8 Himod M34 58U OF SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET s ONLY WITH REHEATING COIL OPTION
75. way valve by pass open Position indicator on 1 OPEN valve 8 way valve by pass closed 9 4 Water condenser flow control valve F only Solenoid 2 way Fig K shown valve controls the plate condenser water flow This valve is equipped with a hand driven opening system and a closing speed control Opening hand drive can be used when a main control failure occurs and is made by a cylindrical headed screw screw 1 which has two position Closed valve closed if letter C is turned upside Open valve open if letter A is turned upside When from the Closed position the screw is turned to the Open position no matter if in clockwise or counterclock wise direction the valve is completely opened In order to close the valve again it s necessary to turn again the screw to the Closed position When the hand drive is in Closed position the valve can open if the coil is energized Is then possible to modify the closing times turning a setting screw screw 2 the adjustment possibilities range from fully open HIMOD A W F D H position with maximum closing speed to fully closed posi tion with valve always open Fig k Regulation of water condenser flow control valve f dl rei Lema P X 1 12 13 9 5 Due to high flooding alarm device sensitivity to the end to avoid undesirable alarm signal because of few sporadic wa
76. xclusively the oil indicated on the refrigerating compressor Normally 1 or 2 liter cans are available for this purpose once they are opened they must be completely used up They must not be used after a long period as they absorb humidity It is therefore obvious that the taps of the compressor must only be turned after the whole plant has been subjected to a vacuum and partial filling 10 1 3 Oil charge R22 The oil to be used when topping up only if there are any leaks is SUNISO 3GS Tab h Suniso 3GS oil for R22 only density at 15 C 0 91 kg l flash point C O C 178 C Pour point lt 40 C viscosity at 40 C 29 5 cSt viscosity at 100 C 4 35 cSt coppoer corrosion 100 C hr ASTM 130 1 10 1 4 Oil topping up of an installed circuit If oil leakages occur the topping up operation is necessary Contact the local Service before intervention 10 2 Spare parts It is recommended the use of original spare parts When placing an order refer to Component List enclosed with the machine and quote the unit model no and serial no NOTES 1 When a faulty compenent is replaced follow the relevant manufacturer instructions 2 When the spare parts must be welded be carefully do not damage the internal parts gaskets seals o rings etc See as an example Fig I Fig I CPCE valve Silfoss 15 1596 Ag 10 3 Dismantling the unit The machine

himod

Contents

Download Pdf Manuals

Related Search

Related Contents