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EN
2 1 . 1 2 – 5 8 9 0 7 3 5 _ 0 1
T r a n s l a t i o n f r o m o r i g i n a l
W R K
I n s t a l l a t i o n m a n u a l
60Hz
■
REVERSIBLE WATER-COOLED HEAT PUMP,
GAS SIDE
C o o l i n g c a p a c i t y 1 9 . 2 ÷ 4 9 . 3 t o n
H e a t i n g c a p a c i t y 2 8 1 , 7 8 1 ÷ 7 4 2 , 0 2 5 B T U / h
w w w . a e r m e c . c o m
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Summary of Contents for AERMEC WRK0300H
- Page 1 2 1 . 1 2 – 5 8 9 0 7 3 5 _ 0 1 T r a n s l a t i o n f r o m o r i g i n a l W R K I n s t a l l a t i o n m a n u a l 60Hz ■...
- Page 3 Illegal dumping of the product by the user entails the application of administrative sanctions provided by law. All specifications are subject to change without prior notice. Although every effort has been made to ensure accuracy, Aermec shall not be held liable for any...
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Page 4: Table Of Contents
INDEX CERTIFICATIONS ..........................5 GENERAL WARNINGS ........................6 RECEPTION ............................8 STORAGE ............................9 ANTIVIBRANTS POSITION ......................11 CENTER OF GRAVITY POSITION ....................12 WEIGHT DISTRIBUTION ........................13 HYDRAULIC CONNECTIONS ......................15 HYDRAULIC CIRCUITS - WATER CHARACTERISTICS ............16 TECHNICAL DRAWINGS - HYDRAULIC CONNECTIONS ............21 ELECTRICAL CONNECTIONS .......................25 ELECTRICAL DATA ..............................26 PUMPS ELECTRICAL DATA ..........................26... -
Page 5: Certifications
CERTIFICATIONS COMPANY CERTIFICATIONS SAFETY CERTIFICATIONS... -
Page 6: General Warnings
An accidental release of refrigerant may cause risk of suffocation currently in force. Assess the procedures Aermec requires and due to a lack of oxygen: install the machine in a well ventilated... - Page 7 Install the unit at a distance enough from the exhaust wells, to ensure The machine and the pipes have very hot and very cold surfaces that that the possible loss of gas may reach and pollute the aquifer lead to risk of burns Keep all lubricants in properly marked containers do not keep Before opening a machine panel, ascertain whether it is or not firmly flammable liquids near the plant...
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Page 8: Reception
- Controllare che l’esterno non sia stato danneggiato in alcun modo. - Controllare che i dispositivi di sollevamento e trasporto siano adeguati The Aermec products can be identified by the packaging label bearing al tipo di apparecchiatura e siano conformi alle specifiche imposte nelle the identification data of the product and by the technical plate bearing istruzioni di trasporto e movimentazione accluse al presente manuale. -
Page 9: Storage
The anti-vibration For unit installation it is important to perform the following preliminary supports must be fixed to the unit BEFORE it is earthed. AERMEC is not preparation tasks: responsible for the choice of capacity of the anti-vibration supports. - Page 10 DIMENSIONS - MINIMUM TECHNICAL SPACES MINIMUM TECHNICAL SPACES 39.4 39.4 39.4 39.4 39.4 WITHOUT HYDRONIC KIT vers. 0300 0330 0350 0500 0550 0600 0650 0700 66.0 66.0 66.0 74.3 74.3 74.3 74.3 74.3 49.8 49.8 49.8 84.9 84.9 84.9 84.9 84.9 31.5 31.5...
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Page 11: Antivibrants Position
ANTIVIBRANTS POSITION TOP VIEW MODEL WRK0500H-700H WITHOUT HYDRONIC KIT 23.7 46.9 11.9 WRK0500H-700H WITH HYDRONIC KIT 27.3 73.4 15.6 TOP VIEW MODEL WRK0300H-350H WITHOUT HYDRONIC KIT 11.9 25.9 12.0 WRK0300H-350H WITH HYDRONIC KIT 11.9 46.9 11.9... -
Page 12: Center Of Gravity Position
CENTER OF GRAVITY POSITION TOP VIEW (MODELS 0500-0700) TOP VIEW (MODELS 0300-0350) -
Page 13: Weight Distribution
Weight [lb] Xg [in] Yg [in] WRK VERSION “L” (WITH HOOD) ° ° 1,246 24.9 15.6 ° 1,609 33.7 15.6 ° 1,676 34.2 15.6 WRK0300H ° 1,620 33.5 15.4 ° 1,676 34.3 15.2 1,687 34.6 15.3 1,808 35.8 15.2 ° °... - Page 14 Weight [lb] Xg [in] Yg [in] WRK VERSION “L” (WITH HOOD) ° ° 1,224 25.3 15.6 ° 1,642 34.6 15.6 ° 1,720 35.2 15.6 WRK0300H ° 1,642 34.6 15.5 VT15 ° 1,720 34.9 15.1 1,720 35.4 15.3 1,863 36.4 15.1 °...
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Page 15: Hydraulic Connections
However, always refer to the glycol supplier documentation to check its It is important to follow the recommendations (not complete) below: recommended concentration. -
Page 16: Hydraulic Circuits - Water Characteristics
HYDRAULIC CIRCUITS - WATER CHARACTERISTICS WITHOUT HYDRONIC KIT Components as standard Anti-vibration joints Flow switch (MANDATORY) Plate heat exchanger Flow shut-off valves Drain valve Water temperature sensors (IN/OUT) Pump Storage tank Components not provided and responsibility of the Pressure relief valve Antifreeze electric heater installer Expansion vessel... - Page 17 WITH USER SIDE PUMPS Components as standard One-way valve Expansion vessel Plate heat exchanger Expansion vessel Loading unit Water temperature sensors (IN/OUT) Components not provided and responsibility of Drain valve Water filter the installer Storage tank Flow switch Anti-vibration joints Antifreeze electric heater Drain valve Flow shut-off valves...
- Page 18 WITH SOURCE SIDE PUMPS Components as standard Drain valve Drain valve Plate heat exchanger Components not provided and responsibility of Storage tank Water temperature sensors (IN/OUT) the installer Antifreeze electric heater Water filter Anti-vibration joints Drain valve Pump Flow shut-off valves Pressure gauge One-way valve Pressure relief valve...
- Page 19 WITH USER AND SOURCE SIDE PUMPS Components as standard Drain valve Loading unit Plate heat exchanger Expansion vessel Drain valve Water temperature sensors (IN/OUT) Components not provided and responsibility of Storage tank Water filter the installer Antifreeze electric heater Pump Anti-vibration joints Drain valve One-way valve...
- Page 20 WITH DESUPERHEATER Components as standard Anti-vibration joints Flow switch (MANDATORY) Plate heat exchanger Flow shut-off valves Drain valve Water temperature sensors (IN/OUT) Pump Storage tank Components not provided and responsibility of the Pressure relief valve Antifreeze electric heater installer Expansion vessel Drain valve Water filter (MANDATORY) Loading unit...
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Page 21: Technical Drawings - Hydraulic Connections
TECHNICAL DRAWINGS - HYDRAULIC CONNECTIONS Outlet EVA = Outlet Evaporator Inlet EVA = Inlet evaporator Outlet CND = Outlet condenser Inlet CND = Inlet condenser WRK 0300-0350 WITHOUT HYDRONIC KIT 0.7 in 12.0 in 25.9 in 11.9 in 8.9 in 13.9 in 8.9 in Inlet CND 2''1/2... - Page 22 WRK 0500-0700 WITHOUT HYDRONIC KIT 0.7 in 11.9 in 46.9 in 23.7 in 8.9 in 13.8 in 8.9 in Inlet CND 2''1/2 Outlet EVA 2''1/2 Inlet EVA 2''1/2 Outlet CND 2''1/2 2.4 in 82.5 in 31.5 in 84.9 in...
- Page 23 WRK 0300-0350 WITH HYDRONIC KIT - SYSTEM SIDE - GEOTHERMIC SIDE 0.7 in 11.9 in 46.9 in 11.9 in 9.3 in Outlet EVA 2''1/2 Inlet CND 2''1/2 Outlet CND 2''1/2 15.2 in 8.9 in 3.7 in 70.7 in Inlet EVA 2''1/2 31.5 in 74.5 in...
- Page 24 WRK 0500-0700 WITH HYDRONIC KIT - SYSTEM SIDE - GEOTHERMIC SIDE 0.7 in 15.6 in 73.4 in 27.3 in Outlet EVA 2''1/2 Outlet CND 2''1/2 15.4 in 16.2 in 3.2 in 116.2 in 2.4 in Inlet CND 2''1/2 Inlet EVA 2''1/2 121.7 in...
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Page 25: Electrical Connections
ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS ATTENTION The units are completely wired at the factory and only require connection • All the electrical operations must be carried out by personnel in to the electric power supply mains, downstream from a unit switch, according to that envisioned by the Standards in force on this subject in possession of the necessary qualifications by law, suitably trained the country of installation. -
Page 26: Electrical Data
ELECTRICAL DATA Integrated Integrated Version hydronic kit, hydronic kit, 0300 0330 0350 0500 0550 0600 0650 0700 user side source side ° ° ° ° ° Peak current (LRA) ° ° ° ° ° ° Minimum circuit amperage (MCA) ° U/V/W/Z °... -
Page 27: Operating Range
STANDARD RATINGS Size ver. 0300 0330 0350 0500 0550 0600 0650 0700 System side heat exchanger ° 29.94 36.10 36.10 48.21 48.21 Min. flow rate 17.61 25.98 29.94 29.94 36.10 36.10 48.21 48.21 ° 248.76 248.76 248.76 248.76 248.76 Max. flow rate 248.76 248.76 248.76... - Page 28 OPERATING HEATING MODE RANGE ∆T condenser < 46.4 °F °F 160.0 149.0 149.0 140.0 122.0 100.0 95.0 80.0 68.0 68.0 60.0 40.0 20.0 10.0 14.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 °F Water produced (system side) (°F) Processed water temperature (source side) (°F) ∆T condenser <...
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Page 29: Electric Power Connection To The Electrical Mains
ELECTRIC POWER CONNECTION TO THE ELECTRICAL MAINS ELECTRIC POWER CONNECTION TO THE ELECTRICAL MAINS • Open the external covering panels (if present) • For the functional connection of the unit, take the power supply • Make sure that the switch is at “OFF” before opening the electric cable to the electric control board inside the unit and connect it to control board for the connection of the unit to the power supply. -
Page 30: Indicative Layout Model Wrk 700
INDICATIVE LAYOUT MODEL WRK 700 Earthing Power lines input L1-L2-L3 auxiliary terminal board position... -
Page 31: Commissioning - Warnings
COMMISSIONING - WARNINGS COMMISSIONING - WARNINGS Please note that, on request by the Aermec customer or the legitimate COMMISSIONING owner of the machine, the units in this series can be started up by Once all the aforementioned checks have been carried out, the unit... -
Page 32: Maintenance
MAINTENANCE MAINTENANCE ATTENTION position. Any cleaning, inspection, control, routine and extraordinary mainte- • Place a sign reading “Do not turn on - maintenance in progress” on the open isolator nance must be performed by experienced, authorised personnel and • Equip yourself with the appropriate personal protective equipment qualified to perform the above tasks. - Page 33 ‘’Do not turn on – maintenance in progress’’; • Always and only use original spare parts purchased directly from Aermec or from official dealers. Contact Aermec should it be necessary to move the unit one year after its positioning on-site or it must be dismantled;...
- Page 34 The measurements of the compressor inlet and outlet temperature and The thermostatic valve must be calibrated with the machine off. pressure to determine the overheating and subcooling of the machine, The high/low pressure switch, where present must be tested with the ma- must be carried out as follows: chine “closed”, reading the high pressure circuit pressure on the machine control panel.
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Page 35: Maintenance - List Of The Recommended Periodic Interventions
For mantainance policy and calibration procedure, see the leak detector operation manual and the calibration certificate. Aermec is not responsible of the refrigerating system safety if the periodical mantainance, calibration and substitution of the leak detectors is not done correctly and according to leak detector operation manual. - Page 36 RECOMMENDED PERIODIC MAINTENANCE INTERVENTIONS TO UNITS WITH CENTRIFUGAL COMPRESSORS FREQUENCY DESCRIPTION 6 months 12 months other GENERAL CHECKS Check that the compressor is not damaged • Check that there are no excessive vibrations induced by other operating components • CHECKS ON ELECTRICAL PARTS Check the power supply voltage •...
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Page 37: Configurator
CONFIGURATOR 1,2,3 Name 4,5,6,7 Size 0300 - 0330 - 0350 - 0500 - 0550 - 0600 - 0650 - 0700 Operating field ° Standard mechanic thermostatic valve Model Heat pump reversible gas side Version Silenced Evaporator ° Standard Heat recovery °... -
Page 38: Compatibility Of Accessories
COMPATIBILITY OF ACCESSORIES Size 0300 0330 0350 0500 0550 0600 0650 0700 AER485P1 • • • • • • • • AERBACP • • • • • • • • AERNET • • • • • • • • FL-UL •... - Page 40 DOWNLOAD THE LATEST VERSION: http://www.aermec.com/qrcode.asp?q=17719 A E R M E C S . p . A . V i a R o m a , 9 9 6 - 3 7 0 4 0 B e v i l a c q u a ( V R ) - I t a l y T e l .
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