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42 GW

GB - 4

General Information

Unit installation

Read this instruction manual thoroughly before starting
installation.

• This unit complies with the low-voltage (EEC/73/23) and

electromagnetic compatibility (EEC/ 89/336) directives.

• The installation  should be carried out by a qualified installer.

• Follow all current national safety code requirements.

In particular ensure that a properly sized and connected ground
wire is in place.

• Check that the voltage and frequency of the mains power supply

are as required for the unit to be installed; the available power
source must be adeguate to operate all other appliances
connected to the same line.
Also ensure that national safety code requirements have been
followed for the main supply circuit.

• Where necessary, use field-supplied 25 mm I.D. PVC pipe of

appropriate length and with the correct thermal insulation for the
condensate drain extension.

• After installation thoroughly test system operation and explain all

system functions to the owner.

• Use this unit only for factory approved applications: the unit

cannot be used in laundry or steam pressing premises.

WARNING:
Disconnect the mains power supply switch before servicing
the system or handling any internal parts of the unit.

• The manufacturer declines any liability for damage resulting

from modifications or errors in the electrical or water
connections.
Failure to observe the installation instructions, or use of the
unit under conditions other than those indicated in Table
"Operating limits" of the unit installation manual, will
immediately invalidate the unit warranty.

• Failure to observe electric safety codes may cause a fire hazard in

the event of short circuits.

• Inspect equipment for damage during transport. In case of

damage file an immediate claim with the shipping company.
Do not install or use damaged units.

• In case of malfunction turn the unit off, disconnect the mains

power supply and contact a qualified service engineer.

• Maintenance must only be carried out by qualified personnel.

• All of the manufacturing and packaging materials used for

this appliance are biodegradable and recyclable.

• Dispose of the packaging material in accordance with local

requiremements.

Choosing the installation site

Positions to avoid:

• Exposure to direct sunlight.

• Areas close to heat sources.

• On damp walls or in positions that may be exposed to water

hazard.

• Where curtains or furniture may obstruct free air circulation.

Recommendations:

• Choose an area free from obstructions which may cause uneven

air distribution and/or return.

• Consider using an area where installation is easy.

• Choose a position that allows for the clearances required.

• Look for a position in the room which ensures the best possible air

distribution.

• Install unit in a position where condensate can easily be piped to an

appropriate drain.

Summary of Contents for 42GWC004-3

Page 1: ...42GW 60 Hz L L O Y D S R E G I S TER QUALIT Y A S S U R A N C E IS O 900 1 INSTALLATION MANUAL...

Page 2: ...formation 4 Avoid 5 Installation 6 8 Water connections 8 Motorized valve and control 9 11 Electrical connections 11 12 Wiring diagram 13 Fresh air renewal and conditioned air supply to adjacent room 1...

Page 3: ...25 280 1 5 0440 88 160 825 112 70 125 825 120 150 298 237 52 100 50 160 110 90 155 575 158 7 0 720 550 515 25 2 5 620 100 150 575 42GW 004 008 010 012 016 020 Unit 17 5 19 19 36 38 38 Frame Grille ass...

Page 4: ...2GW9005 42GW9006 Air discharge closing 40GK 900 003 40 40GK 900 013 40 Active carbon filter 40GK 900 002 40 40GK 900 012 40 Electrostatic filter 40GK 900 001 40 40GK 900 011 40 Drain pan 42GW9009 42GW...

Page 5: ...ions or errors in the electrical or water connections Failure to observe the installation instructions or use of the unit under conditions other than those indicated in Table Operating limits of the u...

Page 6: ...erence of 200 mm from the top of the unit flattening or kinking the refrigerant pipes or condensate pipes installation in areas with high frequency waves only partial insulation of the piping Non leve...

Page 7: ...close one or two air outlets use the special kit Install the unit as centrally as possible in the room the air flow direction can be controlled by manually regulating the louvres position according to...

Page 8: ...opylene or neoprene of 5 to 10 mm thickness If more than one unit is installed in the room the drain system can be made as shown in the drawing Align and level the unit by adjusting the nuts and lockn...

Page 9: ...he connection with a spanner The upper coil connection is supplied with an air purge valve the lower connection with a water purge valve suitable for a 10 mm wrench or screw driver The coil is only pa...

Page 10: ...unit installation For this operation follow figures depending on model Insert the clips supplied in the unit side slots Electric connections To connect valves to the electric panel pass cables throug...

Page 11: ...hich causes the down stroke of the piston the valve opens after about 3 minutes about to allow water to circulate in the coil If the room temperature satisfies the thermostat or if the electric power...

Page 12: ...work every time the cold water valve is opened supplying TB1 terminal 7 and 8 from TB1 terminal 4 When the system is filled with water verify all couplings for tightness The manufacturer does not acce...

Page 13: ...ons Wiring diagram legend Low speed Medium speed High speed Power supply line Heating selection Common thermostat heating Cooling selection Common thermostat cooling Neutral fan Neutral in Neutral out...

Page 14: ...C C Y G Y G G G C C B B Y G Y G R R R R 1 2 3 4 5 6 7 9 1 2 3 6 7 8 10 11 5 4 3 2 1 TB3 TB1 HR F1 CR PR PCB IFM PS 1 2 FS 2 1 C2_F C2_M 2 1 3 2 C1_F 1 C1_M 1 2 3 6 5 4 3 2 1 C3_M 6 C3_F 5 4 3 2 1 1 2...

Page 15: ...rugated aluminium externally covered with anti condensate material fibre glass of 12 25 mm thickness To complete the installation all non insulated ducts must be covered with anti condensate insulatio...

Page 16: ...tioned air supply to an adjacent room Diagram of conditioned air supply to an adjacent room one louvre closed In case of two louvres closed the fresh air flow towards the adjacent room is 50 higher co...

Page 17: ...ing the cover panel The inspection or replacement of internal components such as fan motor coil condensate discharge pump float switch electric heater if fitted involve the removal of the condensate d...

Page 18: ...nzio 9 20058 Villasanta MI Italy Tel 039 3636 1 The manufacturer reserves the right to change any product specifications without notice Order No 14254 74 December 2001 Supersedes Order No 14254 74 Jul...

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