Daikin EWAT016CZN-A1 Скачать руководство пользователя страница 2 | Manualshive

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Содержание EWAT016CZN-A1

Страница 1: ...REV 00 Date 04 2021 Supersedes Installation Maintenance and Operation Manual DEIMHP0140521_00EN Air to water heat pump units with scroll compressors EWYT CZ EWAT CZ...

Страница 2: ......

Страница 3: ...RESSURE EQUIPMENT 27 12 DISMISSIONAND DISPOSAL 27 List of tables Table 1 Physical properties of R32 refrigerant 5 Table 2 Minimum glycol percentage for low ambient air temperature 11 Table 3 Flow Swit...

Страница 4: ...to check possible refrigerant leaks 13 Disable the unit from the mains using the main switch before opening the control panel 14 Check that the unit has been grounded correctly before starting it 15...

Страница 5: ...pagation rate is low and nontoxic R32 refrigerant can burn slowly when all the following conditions are present The concentration is between the lower and upper flammability limit LFL UFL Wind velocit...

Страница 6: ...it contacts the duct material n Airflow of the emergency mechanical ventilation shall be at least V 0 014 m Where V is air flow in m s m is the amount of refrigerant present in the machine room in kg...

Страница 7: ...osphere may damage electrical components 4 MECHANICAL INSTALLATION 4 1 Safety Before installation and commissioning of the machinery the people involved in this activity must have acquired the informa...

Страница 8: ...outdoors either on balconies or on the ground provided that the installation area is free of obstacles that could reduce air flow to the condensers coil The unit must be installed on a robust and per...

Страница 9: ...y side of the unit must be accessible for postinstallation maintenance operations and vertical air discharge must not be obstructed Figure below shows the minimum space required Figure 4 DUAL unit Whe...

Страница 10: ...the main wind direction Frontal wind will disturb the operation of the unit If necessary use a screen to block the wind Ensure that water cannot cause any damage to the location by adding water drains...

Страница 11: ...ition The water filter must be installed as close as possible to the unit If the water filter is installed in another part of the water system the Installer must guarantee the cleaning of the water pi...

Страница 12: ...Z P H A2 2 43 6 00 Table 4 Operating limits 4 7 3 Preparing and checking the water circuit connection The units have water inputs and outputs for connecting the heat pump to water circuit of the syste...

Страница 13: ...300 CO2 Sulphate ion mg SO4 2 l 100 Alkalinity mg CaCO3 l 200 Total Hardness mg CaCO3 l 75 150 Iron mg Fe l 0 2 Ammonium ion mg NH4 l 0 5 Silica mg SiO2 l Chlorine molecular mg Cl2 l 0 5 Note 1 Heat P...

Страница 14: ...ater temperature Ref 1 Unit operations in this area require OP 192 HIGH AMBIENT TEMPERATURE KIT Ref 2 Unit operations in this area require the enabling of the Brine version in the controller and the u...

Страница 15: ...t to have a water temperature difference of 2 5 K which allows it to operate with the minimum volume mentioned in the previous table However if a smaller temperature differential is set as in the case...

Страница 16: ...appropriate antifreeze protection is always maintained Failing to follow the instructions above could result in unit damage 4 ELECTRIC HEATER Option on request A heater tape is instal led on the water...

Страница 17: ...d the earth according to IEC 614391 table 1 and 2 and to the local national laws The cables connected to the main switch must be tightened using a pair of keys and respecting the unified clamping valu...

Страница 18: ...ompressors must be carried out exclusively by qualified personnel Sharp edges and the surface of the condenser section could cause injury Avoid direct contact and use adequate pro tection device Do no...

Страница 19: ...t maintenance could degrade all parts of the units coils compressors frames pipes etc with negative effect on performances and functionality There are two different levels of maintenance which can be...

Страница 20: ...trical problem has been solved 4 No safety device either mechanical electrical or electronic must be disabled or overridden 5 The water used for filling the water circuit must be clean and sui tably t...

Страница 21: ...X Check the safety valve X Coil section Checking the cleaning of the air heat exchanger Note 6 X Check the cleaning of water heat exchangers Note 6 X Verify that fans are well tightened X Verify coil...

Страница 22: ...CZ 7 2 4 Refrigerant circuit scheme Figure 17 Refrigerant circuit P ID diagram for MONO circuit EWYT CZ unit REFRIGERANT PED GROUP LINE PS bar Ts C R32 1 HIGH PRESSURE GAS 42 9 10 120 HIGH PRESSURE LI...

Страница 23: ...IMHP0140521_00EN 23 Figure 18 Refrigerant circuit P ID diagram for MONO circuit EWAT CZ unit REFRIGERANT PED GROUP LINE PS bar Ts C R32 1 HIGH PRESSURE GAS 42 9 10 120 HIGH PRESSURE LIQ 42 9 10 65 LOW...

Страница 24: ...24 EWYT CZ EWAT CZ Figure 19 Refrigerant circuit P ID diagram for DUAL circuit EWYT CZ unit REFRIGERANT PED GROUP LINE PS bar Ts C R32 1 HIGH PRESSURE GAS 42 9 10 120 HIGH PRESSURE LIQ 42 9 10 65 LOW...

Страница 25: ...nd outlet are indicative Please refer to the machine dimensional diagrams for exact water connections The series is composed by mono one circuit and dual two circuits reversible unit Legend Item Descr...

Страница 26: ...raulic circuit Check the oil level in the compressors Chilled Water Yes No N A Piping complete Water System filled and vented Pumps installed operational rotation checked Strainers installed and clean...

Страница 27: ...nd III of the classification established by the European Directive 2014 68 EU PED For units belonging to these categories some local regulations require a periodic inspection by an authorized person P...

Страница 28: ...Notes...

Страница 29: ...y is given for the completeness accuracy reliability of its contents All data and specifications contained therein may be subject to change without notice Refer to the data communicated at the time of...

Страница 30: ...DEIMHP0140720_00EN 2021 04 Via Piani di Santa Maria 72 00072 Ariccia Roma Italy Tel 39 06 93 73 11 Fax 39 06 93 74 014 http www daikinapplied eu...

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