Wito VIERRO IO Instructions For Installation, Use And Maintenance Manual Download Page 16

15

IMPORTANT!

YOU ARE RECOMMENDED

TO FIT A SIPHON

ON THE CONDENSATE

DRAIN. INSTALL

A CONDENSATE

DRAIN PIPE WITH A SLOPE OF AT 

LEAST 3 cm/metre.

IMPORTANT!

IF A SECOND

HEAT EXCHANGER COIL

IS FITTED, TO CHANGE

THE CONNECTIONS SIDE,

PROCEED AS

DESCRIBED PREVIOUSLY

If the unit is fitted with a valve,

connect the connection pipes to

the valve.

If the unit is used for cooling,

insulate the pipes and valve to

avoid drops of condensate forming.

During the summer and when the

fan is inactive for long periods, 

you are recommended to shut 

off the water supply to the coil to 

avoid condensation forming on the 

outside of the unit.

If a supplementary condensate

drain pan is used, this should be

fixed to the connections side of

the frame and the condensate

drain pipe should be fastened to

the latter.

In the MV, MVB and MO versions, 

the air flow can be reversed by 

rotating the grill as illustrated.

ВАЖНО!

ВАМ РЕКОМЕНДУЕТСЯ

ДЛЯ УСТАНОВКИ

СИФОНН КОНДЕНСАТА

ПРОЦЕДИТЬ. УСТАНОВИТЬ

ДРЕНАЖНУЮ ТРУБУ

С НАКЛОНОМ

НЕ МЕНЕЕ 3 см

ВАЖНО!

ЕСЛИ ВТОРОЙ

СПИРАЛЬНЫЙ ТЕПЛООБМЕННИК 

УСТАНОВЛЕН, ЧТОБЫ 

ИЗМЕНИТЬ СОЕДИНЕНИЯ

ВЫПОЛНИТЬ ДЕЙСТВИЯ

ОПИСАННЫЕ ВЫШЕ

Если аппарат оснащен 

клапаном, подключить трубы

к клапану.

Если устройство используется 

для охлаждения, изолируйте 

трубы и клапана. Во избежание 

формирования капель 

конденсата.

В течение лета и когда

вентилятор неактивный в 

течение длительного времени, 

рекомендуется отключить 

подачу воды на катушку, 

чтобы избежать образования 

конденсата на внешней стороне 

устройства.

Если дополнительно 

используются поддон 

конденсата, он должен быть 

прикреплен к соединениям на 

стороне рамы и должен быть 

прикреплен последний.к сливной 

трубке.

В М.В., MVB и МО версии, 

воздушный поток может 

вращаться, как показано на 

рисунке.

Summary of Contents for VIERRO IO

Page 1: ...ase read this manual before using the fan coil Please keep this manual for future use WITO Climate control of your business FAN COIL VIERRO INSTALLATION USE AND MAINTENANCE MANUAL VIERRO VIERRO MV MVB...

Page 2: ...t General notes on delivery General warnings Fundamental safety rules Safety rules Operating limits Technical characteristics Mechanical installation Hydraulic connections Electrical connections Clean...

Page 3: ...nment where the appliance is installed does not contain substances that cause the corrosion of the aluminium fins The units are supplied with hot or cold water depending on whether the environment is...

Page 4: ...ordered contact your dealer immediately quoting the series and model IDENTIFYING THE APPLIANCE 3 TRANSPORT WEIGHTS AND DIMENSIONS PACKED UNIT 16 19 22 18 21 21 27 33 24 29 24 30 36 27 32 25 31 37 28 3...

Page 5: ...or air conditioning and must be used exclusively for that purpose We declines all responsibility for damage caused by their improper use This booklet is an integral part of the appliance and must alw...

Page 6: ...troduce foreign objects through the air intake and discharge grids Never remove protective elements without first unplugging the unit from the mains power supply Do not throw packaging material away o...

Page 7: ...earthed In case of installation of fan coil version MV or MVB without onboard control fasten the control opening with a 2 2 x 9 5 mm screw For safety reasons the bottom panels must be fitted when ins...

Page 8: ...ad the labels ask for replacements IMPORTANT DO NOT REMOVE THE ELECTRICAL BOARD PRINTED CIRCUIT GUARD FROM THE CONTROL UNIT MOUNTING IF THE FILTER REQUIRES REPLACING OR CLEANING ALWAYS MAKE SURE IT IS...

Page 9: ...of the valves with thermoelectric actuator is given below Valves with thermoelectric actuator Working pressure 1000 kPa Power supply voltage 230V 50 60Hz Rating VA protection 5 VA IP 44 Closing time 1...

Page 10: ...IN OUT P R S 321 T H B 230 OUT IN 15 ext 1 2 F A 530 A B 170 71 44 125 133 8 5 1 8 5 1 C 60 60 A 530 630 A B 170 100 8 5 1 8 5 1 71 44 125 133 C 100 60 60 MV MO MVB HYDRAULIC CONNECTIONS 3 or 4 row h...

Page 11: ...1 0 1 7 2 4 0 5 1 0 1 9 2 8 0 6 1 2 3 4 1 2 MOD Rows 600 V Z DIMENSIONS mm mm WEIGHT kg kg WATER CONTENTS litres MOTOR ABSORPTION A B C H M N O P R S T V Z 770 225 454 205 145 260 460 185 105 475 55...

Page 12: ...1 2 1 G H 15 ext 230 E 119 153 17 119 71 44 125 133 F 10 D E 2 1 2 1 511 D 2 2 2 2 29 100 2 1 2 1 G H 15 ext 230 IV IO Vertical Installation IV IO Horizontal Installation HYDRAULIC CONNECTIONS 3 or 4...

Page 13: ...60 185 105 475 65 260 820 689 645 669 218 205 145 260 460 185 105 475 65 260 820 904 860 884 218 205 145 260 460 185 105 475 65 260 1035 904 860 884 218 205 145 260 460 185 105 475 65 260 1035 1119 10...

Page 14: ...slits in the frame To install against a glazed surface or in other position where there is no wall brackets can be used to fix the unit to the floor In versions MV MVB and MO fit the casing over the...

Page 15: ...ing the coil to the frame and remove the coil 2 Disconnect the wires taking note of the colour Undo the screws fixing the terminal board and remove it 3 Replace the coil fixing it with the four screws...

Page 16: ...it is used for cooling insulate the pipes and valve to avoid drops of condensate forming During the summer and when the fan is inactive for long periods you are recommended to shut off the water suppl...

Page 17: ...minimum contact distance of 3 5 mm The unit must always be earthed Always disconnect the electrical power supply before opening the unit Connection instructions the unit is fitted with a connection te...

Page 18: ...e control unit To control more than one fan coil with a single control unit each appliance must be fitted with an SEL speed selector which controls that particular unit according to the signal receive...

Page 19: ...ce required HEAT EXCHANGER COIL No ordinary maintenance required FILTER Using a suitable tool unhook the filter holder strip and ex tract the filter from the guides Clean regularly with a vacuum clean...

Page 20: ...e seasonal commutator and the thermostat are in the right position PROBLEM 2 The unit does not heat cool as before REMEDY Make sure the filter is clean Make sure the hydraulic circuit is free from air...

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