HiRef HTI-073 Скачать руководство пользователя страница 1 | Manualshive

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Chilled water unit

HTI_CW

H T I - CW

Packaged Air Conditioning Unit

Users Manual

HF61G00269SB HTI-0-UM-GB_CW

Rev. 20-05-2015

GB

HIGH
TECHNOLOGY
IN
REFRIGERATION

DEVICES

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2
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Содержание HTI-073

Страница 1: ...Chilled water unit HTI_CW H T I CW Packaged Air Conditioning Unit Users Manual HF61G00269SB HTI 0 UM GB_CW Rev 20 05 2015 GB HIGH TECHNOLOGY IN REFRIGERATION DEVICES ...

Страница 2: ...2 HF61G00269SB HTI 0 UM GB_CW HIGH TECHNOLOGY IN REFRIGERATION DEVICES ...

Страница 3: ...ion Transport 8 2 1 Inspection on receipt 8 2 2 Lifting and transport 8 2 3 Unpacking 8 3 Installation 9 3 1 HTI Indoor unit positioning 9 3 2 Free cooling duct connections optional 10 4 Electrical Connections 11 4 1 Generalities 11 4 2 Starting up for the first time 12 4 3 Starting operation 12 5 Operating Parameters Setting 12 5 1 Generalities 12 6 Maintenance 13 6 1 Warnings 13 6 2 Periodical c...

Страница 4: ...rating limits 1 3 Cooling circuit The entire cooling circuit is built in the HiRef factory using only components of the finest quality brands and processes conforming to the specifications of Directive 97 23 for brazing and testing Cooling components Water valves Airflow switch Filter Electric control board The electric control board is constructed and wired in accordance with Directives 73 23 EEC...

Страница 5: ... the mP but prevents the compressor from starting up See microprocessor control manual for further details also in relation to particular customer specifications Fig 1 Basic cooling circuits DX Pos Description Pos Description 1 Chilled water inlet 5 Coil heat exchanger 2 Chilled water outlet 6 Breather valve 3 3 way valve 7 2 way valve Opt 4 Plug fan 3 way valve 2 way valve M 5 6 2 3 1 7 2 1 6 5 4...

Страница 6: ...egulation on CCAC applications Tab 3 Technical characteristics HTI 0073 0105 120 145 310 380 Kvs valve m3 h 6 3 6 3 16 0 PN valve 16 16 16 P max kPa 200 200 200 Connections inch 3 4 3 4 1 1 4 Air presence in hydraulic circuit It is necessary to leak air from the hydraulic circuit of unit after the connection to the external circuit To do this open the below panel to valve access and use adapted to...

Страница 7: ...cuit and the presence of electrical components may cause hazardous situations during installation and maintenance work All work on the unit must be carried out by qualified personnel only trained to do their job in accordance with current laws and regulations Failure to comply with the rules provided in this manual or any modification made to the unit without prior authorisation will result in the...

Страница 8: ...ned utmost care must be taken to avoid abrupt or violent maneuvers The unit must be handled carefully and gently avoid using machine components as anchorages or holds and always keep it in an upright position The unit should be lifted using the pallet it is packed on a trans pallet or similar conveyance means should be used Warning In all lifting operations make sure that the unit is securely anch...

Страница 9: ...ear in mind the following aspects when choosing the best site for installing the unit and the relative connections position of the indoor unit next to the main heat source location of power supply solidity of the supporting ceiling wall It is recommended to first prepare holes in the ceiling wall for the screw anchors The dimensions and the positions of the holes for the screw anchors are shown be...

Страница 10: ...g device optional which uses fresh air from outside to cool the ambient without starting up the compressor The device supplies the correct cooling capacity required through a modulating motor damper In this case the back side of the unit is equipped with connections collect the outside air as follows DX VERSION Model A mm B mm C mm D mm HTI 073 105 120 310 380 0 200 200 200 D HTI unit B HTI unit A...

Страница 11: ...tage may not undergo fluctuations exceeding 5 and the unbalance between phases must always be below 2 The above operating conditions must always be complied with failure to ensure said conditions will result in the immediate invalidation of the warranty The electrical connections must be made in accordance with the information shown in the wiring diagram provided with the unit and with current and...

Страница 12: ...ative but only when it is to be taken out of service for a prolonged period e g at the end of the season 5 Operating Parameters Setting 5 1 Generalities All the control devices are set and tested in the factory before the unit is dispatched However after the unit has been in service for a reasonable period of time you can perform a check on the operating and safety devices The settings are shown i...

Страница 13: ...since the 0 11 mm thick aluminium fins can cause superficial injuries due to cuts After completing maintenance jobs always replace the panels enclosing the units and secure them with the fastening screws provided 6 2 Periodical checks To guarantee a constantly satisfactory performance over time it is advisable to carry out routine maintenance and checks as described below The indications below are...

Страница 14: ...to access the damper and air filter compartment Remove the damper fastening screws placed at the side Pull out the entire damper section to access the servomotor Grilled panel Servomotor Remove the grilled panel to access the damper and air filter compartment Pull out the air filter Check the condition of the filter and replace it if necessary Air filter Grilled panel ...

Страница 15: ...icator also with sub cooling values exceeding 5 C Drain and pressurise the circuit and check for leaks Evacuate slowly for more than 3 hours until reaching a pressure of 0 1 Pa and then recharge in the liquid phase Unit overcharged as revealed by a Sub cooling of more than 8 C Drain the circuit Thermostatic valve and or filter obstructed These symptoms may also occur in the presence of an abnormal...

Страница 16: ...ontained in this manual without prior notice In no event shall HiRef S p A be liable for any incidental special indirect or consequential damages whatsoever including but no limited to lost profits arising out of or related to this manual or the information contained herein even if Hiref S p A has been advised of known or should have known the possibility of such damages Wolf Schweiz AG Dorfstrass...

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