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I n t e g r a t e d   C o n t r o l   S o l u t i o n s   &   E n e r g y   S a v i n g s

NO POWER 

& SIGNAL 

CABLES 

TOGETHER

READ CAREFULLY IN THE TEXT!

HEOS BOX R744

User manual

Assembly instructions, including 

user and maintenance information 

CE version

Содержание HB200C0300CE0

Страница 1: ...C o n t r o l S o l u t i o n s E n e r g y S a v i n g s NO POWER SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT HEOS BOX R744 User manual Assembly instructions including user and maintenance inf...

Страница 2: ......

Страница 3: ...uit 12 2 11 Electrical panel 13 2 12 Requirements for positioning the unit and multi evaporator layout 14 3 HANDLING 19 3 1 Opening the packaging 19 3 2 Positioning the unit 19 4 INSTALLATION 21 4 1 M...

Страница 4: ......

Страница 5: ...EQUIPMENT HAZARD The unit is supplied sealed with an inert gas nitrogen pre charge of around 1 bar 14 5 psi above atmospheric pressure Take all necessary precautions to avoid material from being expe...

Страница 6: ...equivalent new equipment on a one to one basis or one to zero for equipment less than 25 cm on their longest side 3 the equipment may contain hazardous substances the improper use or incorrect dispos...

Страница 7: ...d with a Carel unipolar electronic expansion valve which is not supplied with the unit Appropriate sizing of the electronic valve where possible using Carel s selection tools allows Heosbox to be used...

Страница 8: ...configuration HBOPZGATY2000 Kit for supervisor WiFi connection HBOPZRAHY2000 Anti sweat heater management kit Tab 2 d 2 5 Connection diagrams local and su pervisor connection The Heosbox unit can be c...

Страница 9: ...y and therefore an external switch is needed for connection to the supervisory system Ethernet network Modbus Ethernet switch Fig 2 e On request a version of the controller with two Ethernet ports is...

Страница 10: ...edium temperature operation Evaporating temperature 10 C superheat 10 K subcooling 0 K condensing temperature 20 C compressor rotation speed 80 rps 4 Nominal conditions for low temperature operation E...

Страница 11: ...ulation of the current supplied by the electronic control does not include the optional anti sweat heater kit In fact the optional kit is not powered by the electronic controller but by the Heos Box m...

Страница 12: ...nser Water outlet connection Water inlet connection Suction pressure line Discharge Line Fig 2 h 2 26 30 29 1 14 15 8 12 13 25 22 6 17 16 23 24 4 9 10 11 27 19 18 7 20 28 21 5 3 Fig 2 i Ref Descriptio...

Страница 13: ...earth wire connection 43 Anti sweat heater kit 44 Electrical panel main switch 45 Electric panel ventilation air intake grille 46 Electrical panel power cable gland 47 Cable gland for digital output 6...

Страница 14: ...other acceptable configuration involves a common liquid line NB the last evaporator also needs to be well supplied with liquid and the suction lines in a multisplit arrangement Multiplex configuration...

Страница 15: ...ox Fig 2 p Heos Box lower than the evaporator P trap Reverse trap Suction line Heosbox Fig 2 q Possible oil top up Caution refer to section 4 6 2 12 3 Evaporator combination requirements When sizing t...

Страница 16: ...6 0 755 1 319 2 304 3 634 5 154 7 002 11 464 25 0 271 0 692 1 209 2 113 3 333 4 727 6 422 10 514 Tab 2 p MT application medium temperature Minimum cooling capacity in kW to ensure the oil is carried t...

Страница 17: ...ling capacity needed to carry the oil The tables below show the minimum cooling capacity as a function of Operating conditions Pipe diameter For the optimum diameter make sure that the required design...

Страница 18: ...420 5 395 7 652 10 396 17 020 20 0 409 1 043 1 821 3 181 5 019 7 117 9 670 15 831 25 0 375 0 956 1 670 2 917 4 602 6 526 8 867 14 516 Tab 2 w Minimum cooling capacity in kW to ensure the oil is carrie...

Страница 19: ...installed on the floor observing the clearances and making sure that there is natural ventilation to the unit Always avoid positioning installing the unit outdoors in a place where it is exposed to t...

Страница 20: ...ed for correct operation of the unit the following images show the distances from the surfaces to be allowed for during installation Side view Top view wall wall MIN 150 mm 5 91 in MIN 150 mm 5 91 in...

Страница 21: ...e using pipe couplings whose diameter and thickness varies according to the size of the unit see Refrigerant connections 4 1 Material supplied Heos Box is supplied complete with the following material...

Страница 22: ...ff placing disconnect switch QS1 and the switch or disconnect device on the HEOS BOX power supply line in the OFF position see the wiring diagram The mains power disconnect device must have a contact...

Страница 23: ...o the HEOS BOX power supply line in accordance with national regulations It is compulsory to follow the instructions on the wiring diagrams and comply with the minimum sizes of the multi core cables s...

Страница 24: ...gerant into the unit and are not technical specifications The expansion valves on the units must be correctly sized in order to complete the charging operation successfully CAREL Industries S p A may...

Страница 25: ...n 30 minutes 10 Disconnect the pump and close the discharge pressure port Fig 2 i 3 11 Carefully open the refrigerant inlet and outlet shut off valves Fig 2 i 18 and 21 4 8 2 Multi evaporator ME Cauti...

Страница 26: ...the Electrical Connections have been carried out as described in paragraph 4 4 4 Make sure that there is at least one display kit available see paragraph 2 3 If wanting to use the interface via smart...

Страница 27: ...outside of the unit Maintenance operations to be carried out every six months visually inspect the inside of the box every six months It is forbidden to remove the outer protection panels without firs...

Страница 28: ...l output 5 5 Free cable gland 1 17 Cable gland for digital output 6 6 Free cable gland 2 18 Heos electronic controller fuses 7 Free cable gland 3 19 Auxiliary terminals for optional anti sweat heater...

Страница 29: ...Now connect the wires downstream of the kit marked 08 and 09 to terminal J25 as shown on page QE EFS 7 of the panel s wiring diagram using a flat head screwdriver to help lever the spring When connect...

Страница 30: ...30 ENG Heos BOX R704 0300140EN rel 1 0 25 05 2022 Notes...

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Страница 32: ...BEL Caution Do not remove this copy of the unit label from the manual The customer is required to carefully keep all of the documentation supplied with the unit for any future maintenance or service U...

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