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Installation, operation and maintenance instructions - VMGFE102

Typical hydronic circuit diagram with hydronic module

Legend

Components of the unit and hydronic module



Victaulic screen ﬁ lter



Expansion

tank



Safety

valve



Available pressure pump

Note: x 1 for a single pump, x 2 for a dual pump



Air

purge



Water drain valve

Note: A second valve is located on the heat exchanger leaving piping



Pressure

sensor

Note: Gives pump suction pressure information (see installation manual)



Temperature

probe

Note: Gives heat exchanger leaving temperature information (see installation
manual)



Temperature

probe

Note: Gives heat exchanger entering temperature information (see installation
manual)



Pressure

sensor

Note: Gives unit leaving pressure information (see installation manual)



Check

valve

Note: x 2 for a dual pump, not provided for a single pump



Plate heat exchanger



Water heat exchanger frost protection heater

Installation components



Temperature probe well



Air

vent



Flexible

connection



Shut-oﬀ valve



Screen

ﬁ lter (obligatory for a unit without hydronic module)



Pressure

gauge



Water

ﬂ ow control valve

Note: Not necessary for a hydronic module with a variable-speed pump



Charge

valve





Frost protection bypass valve (when shut-oﬀ valves [17] are closed during winter)

---

Hydronic module (unit with hydronic module)

Notes:

•

Units without hydronic module are equipped with a ﬂ ow switch and two
temperature sensors (8 and 9).

•

The pressure sensors are installed at connections without Schraeder valves.
Depressurise and drain the system before any intervention.

Hydronic module - sizes 039-078

Dual pump shown

Hydronic module - sizes 080-160

Dual pump shown

Содержание AR05 017 Series

Страница 1: ...t Pumps Nominal cooling capacity 40 150 kW Nominal heating capacity 40 160 kW 50 Hz For the operation of the control please refer to the Control manual for the AR05 017 160 series Installation operati...

Страница 2: ...wer supply 14 10 3 Voltage phase imbalance 14 10 4 Recommended wire sections 14 10 5 Field control wiring 15 10 6 Power supply 15 11 WATER CONNECTIONS 15 11 1 Operating precautions and recommendations...

Страница 3: ...Refrigerant 26 14 10 High pressure safety switch 26 14 11 Receiver 26 14 12 Four way valve 26 15 OPTIONS AND ACCESSORIES 27 14 13 Control box 27 16 STANDARD MAINTENANCE 28 16 1 Level 1 maintenance 28...

Страница 4: ...e declarations of conformity for these products 1 2 Check equipment received Inspect the unit for damage or missing parts If damage is detected or if shipment is incomplete immediately le a claim with...

Страница 5: ...hat ensures that people and property are not exposed to refrigerant leaks These uids may be di used in the air but far away from any building air intake or they must be discharged in a quantity that i...

Страница 6: ...that has leaked is generally lower than its original calibration The new calibration may a ect the operating range To avoid nuisance trippingorleaks replaceorre calibratethevalve OPERATING CHECKS IMPO...

Страница 7: ...is running Be sure pressure is at 0 kPa before removing components or opening a circuit Do not attempt to repair or recondition any safety devices when corrosion or build up of foreign material rust d...

Страница 8: ...refer to the chapter Dimensions and clearances to con rm that there is adequate space for all connections and serviceoperations Forthecentreofgravitycoordinates the position of the unit mounting holes...

Страница 9: ...the location of xing points weight distribution and coordinates of the centre of gravity refer to the certi ed dimensional drawings B In multiple unit installations maximum four units the side clearan...

Страница 10: ...of the centre of gravity refer to the certi ed dimensional drawings B In multiple unit installations maximum four units the side clearance between the units should be increased from 1000 to 2000 mm C...

Страница 11: ...hown is a guideline only To nd out the unit refrigerant charge please refer to the unit nameplate In accordance with ISO 9614 1 for information only The values have been rounded and are for informatio...

Страница 12: ...onsidered always contact your local Danfoss representative The required protection level for this class is IP43BW according to reference document IEC 60529 All AR05 units are protected to IP44CW and f...

Страница 13: ...o add a storage tank to the circuit This tank should be equipped with ba es to allow mixing of the uid water or brine Please refer to the examples below 9 2 Operating range standard units heating mode...

Страница 14: ...Pure water litres 600 400 200 1680 1120 560 10 ethylene glycol l 450 300 150 1260 840 420 20 ethylene glycol l 330 220 110 930 620 310 30 ethylene glycol l 270 180 90 750 500 250 40 ethylene glycol l...

Страница 15: ...replaced more frequently every 15000 operating hours instead of 25000 hours for an appliacation using water Recommendations on heat exchange uids No NH4 ammonium ions in the water they are very detrim...

Страница 16: ...hanger and internal piping that have an automatic supply and by pump cycling units with hydronic module and Reinforced frost protection option Never switch o the water heat exchanger and hydronic circ...

Страница 17: ...t leaving pressure information see installation manual Check valve Note x 2 for a dual pump not provided for a single pump Plate heat exchanger Water heat exchanger frost protection heater Installatio...

Страница 18: ...et and outlet item 19 As the total system pressure drop is not known exactly at the start up the water ow rate must be adjusted with the control valve to obtain the speci c ow rate for this system Hyd...

Страница 19: ...e connected to the unit inlet and outlet item 19 Let the pump run for two consecutive hours to clean the hydronic circuit of the system presence of solid contaminants Take another reading Compare this...

Страница 20: ...er is not contaminated Pressure di erential set point control procedure Once the circuit has been cleaned select the hydronic circuit con guration for which the unit selection has been made in general...

Страница 21: ...rate that the maximum value or a higher frequency than the maximum value the system settles at the maximum ow rate or maximum frequency and this results in a higher delta T value than the set point H...

Страница 22: ...05 120 160 Pressure drop kPa Pressure drop kPa Water ow rate l s Water ow rate l s Water ow rate l s Water ow rate l s Legend 1 AR05 039 2 AR05 045 3 AR05 050 4 AR05 060 5 AR05 070 6 AR05 078 Legend 1...

Страница 23: ...AR05 039 2 AR05 045 3 AR05 050 4 AR05 060 5 AR05 070 6 AR05 078 Legend 1 AR05 080 2 AR05 090 3 AR05 100 4 AR05 120 5 AR05 140 Legend 1 AR05 039 2 AR05 045 3 AR05 050 4 AR05 060 5 AR05 070 6 AR05 078...

Страница 24: ...peration of two units in master slave mode The control of a master slave assembly is in the entering water and does not require any additional sensors standard con guration It can also be located in t...

Страница 25: ...capacity of the heat pump at 7 C outdoor air temperature This requires only a 400 V 3 ph 50 Hz power supply source as well as a connection to the unit via a communication bus For the required con gura...

Страница 26: ...densables in the system The presence of moisture changes the colour of the indicator paper in the sight glass 14 7 Filter drier This is a one piece brazed lter drier located in the liquid line The rol...

Страница 27: ...complies with JBus protocol Easy connection by communication bus to a building management system AR05 039 160 Bacnet gateway 148C Two directional communications board complies with Bacnet protocol Eas...

Страница 28: ...hly or annually depending on the veri cation type In these conditions the following maintenance operations are recommended Carry out all level 1 operations then Electrical checks At least once a year...

Страница 29: ...Contactor LC1D12B7 KM 1 7 Contactor LC1D18B7 1 7 Contactor LC1D25B7 2 5 Tunnel terminal screw compressor circuit breaker Circuit breaker 25507 QM 3 6 Circuit breaker 25508 Circuit breaker 25509 Tunne...

Страница 30: ...perations 16 7 Water heat exchanger maintenance Check that the insulating foam is intact and securely in place the cooler heaters are operating secure and correctly positioned the water side connectio...

Страница 31: ...nt check Is there any shipping damage If so where Will this damage prevent unit start up Unit is level in its installation Power supply agrees with the unit name plate Electrical circuit wiring has be...

Страница 32: ...nal kW capacity for process cooling Proper loop volume established Proper loop corrosion inhibitor included litres of Proper loop freeze protection included if required litres of Water piping includes...

Страница 33: ...t in the LOCAL ON position Unit starts and operates properly Temperatures and pressures WARNING Once the machine has been operating for a while and the temperatures and pressures have stabilized recor...

Страница 34: ...34 Installation operation and maintenance instructions VMGFE102 VMGFE102...

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