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GB - 12

42HQM

Guide for the owner

When installation and tests are completed explain the Operation
and Maintenance Manual to the owner, with particular attention to
the main operating modes of the air conditioner, such as:

• Turning the unit on and off.
• Functions of the remote control.
• Removal and cleaning of the air filters.

Leave the two installation manuals for the indoor and outdoor units
with the owner for future use during maintenance operations or for
any other needs.

Address switch, guide for the owner and accessories

Address switch

If you are installing two indoor units in the same room, it is
necessary for you to assign a different address to the second unit,
so each unit can be operated by its own remote control.

One address switch is located on the infrared remote control and
the other is on the electronic board.
The two address switches are set to ON when you purchase the
unit.

To change the address:

1. Remote control
- With a sharp object push the button 

CHK

 as indicated (“00” will

appear on the remote control display).

- Push the operating mode MODE button, holding the button 

CHK

pressed as shown (the indicator of unit B will appear as selected
on the remote control display).

- Check that the indoor unit operates with this setting of the remote

controller.

2. Indoor unit
-

Turn the unit OFF and disconnect the power supply.

-

Remove the front grille, terminal block and front cover.

-

Locate the two address switch on the electronic board (close to
the emergency button).

-

Set both switches to OFF.

Replace front cover, terminal block cover and front grille.
Reconnect power supply and verify the operation of the remote
control with the new configuration.

Address switch

PCB (Printed
circuit board)

EMERGENCY

Description

Active carbon filter and

passive electrostatic filter

009-012

42HQM

Table IV : Accessories

Part number

42HWG9100

ON

1

2

AUTO

AUTO

QUIET

MODE

FAN

COOL

DRY

HEAT

TEMP.

TEMP.

 Hr.ON    OFF

Summary of Contents for 42HQM 009

Page 1: ...TEMP AUTO QUIET FAN AUTO MODE COOL DRY TEMP 42HQM INSTALLATION MANUAL 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 ...

Page 2: ...e outdoor unit refer to the relevant manuals Contents Page Dimensions and weight 2 Nominal data 2 Operating limits 2 Minimum clearances 3 Material supplied 3 General information 4 Warnings avoid 5 Installation 6 9 Refrigerant connections 10 Electrical connection 11 Address switch 12 Guide for the owner 12 Accessories 12 Model Power supply 42HQM009 230V 50Hz 42HQM012 ...

Page 3: ... Table I Nominal data Unit is not suitable for operation in laundry premises Sizing of power supply wires and delay type fuses refer to the outdoor unit installation instructions Table II Operating limits Cooling Heating Refer to outdoor unit installation manual Mains power supply Nominal single phase voltage 230V 50Hz Operating voltage limits min 198V max 264V ...

Page 4: ...16 17 mm Sealer putty Electrical connecting cable 1 Cable type H07RN F synthetic rubber insulation with Neoprene coating between indoor and outdoor unit according to EN 60335 2 40 and HD277 S1 standards Table lIl Material supplied The following installation accessories are supplied with unit Use them as required NAME and shape Q ty Use Wall hanging bracket 1 For indoor unit installation Screws 4xL...

Page 5: ...ry or a qualified system engineer prior to connecting this unit to any other manufacturer s outdoor unit Coupling units which have different control systems may cause irreversible damage and void the warranty protection The manufacturer declines any liability for system malfunction resulting from unapproved coupling The manufacturer declines any liability for damage resulting from modifications or...

Page 6: ...cause condensate dripping Flattening or kinking the refrigerant pipes or condensate pipes Excessive height difference between outdoor and indoor units see installation manual of outdoor unit Unnecessary turns and bends in interconnecting tubing Excessive interconnecting tube length see installation manual of outdoor unit Any obstruction of the unit air outlet or return Exposure to oil vapours Inst...

Page 7: ...er hole at a slope so that the outside end is lower 5 10 mm than the inside end This will ensure good drainage Cut the wall sleeve to match the wall thickness and pass the pipe through the hole Side or bottom piping Remove the knock out in the unit and pass the pipes through the wall The pipe should slope downward and away from the unit to ensure good drainage The piping can be connected in the fo...

Page 8: ...Fit the front panel to the latch of the frame grille CAUTION 42HQM 009 012 Make certain that the live wire 1 the neutral wire 2 and the signal one 3 are connected to the corresponding terminals 1 2 and 3 in the outdoor unit Miswiring may cause permanent damage of the system NOTE Incorrect wiring causes malfunction of the unit and electric shock Check local electrical codes and also any specific wi...

Page 9: ...ouring some water into the unit drain pan and ensure that the water drains out through the drain hose and that there is no leakage from the other parts NOTE Do not crush or kink the indoor piping Avoid sharp bends with a bend radius of less than 100 mm Do not bend the same part of the pipe too often Do not remove the flare nut from the indoor unit pipe until the piping is connected The recommended...

Page 10: ...GB 9 42HQM E N G L I S H Installation Grill Front panel ...

Page 11: ...eamless insulated refrigeration grade tube Cu DHP type according to ISO 1337 degreased and deoxidized suitable for operating pressures of at least 4200 kPa and with a burst pressure of 20700 kPa Under no circumstances must sanitary type copper pipe be used Flaring the end of the tubing Remove protective caps from the copper tube ends Position tube end downward cut the tube to the required length a...

Page 12: ...n signal Connecting wire indoor outdoor units field wiring Mains supply connection can be made to the outdoor unit only Indoor unit Outdoor unit Main switch Time delay fuse or circuit breaker see outdoor unit installation manual 1 2 3 Connections wire minimum size between indoor and outdoor units mm2 Model 1 2 3 42HQM 009 012 1 0 1 0 1 0 1 0 ...

Page 13: ...s are set to ON when you purchase the unit To change the address 1 Remote control With a sharp object push the button CHK as indicated 00 will appear on the remote control display Push the operating mode MODE button holding the button CHK pressed as shown the indicator of unit B will appear as selected on the remote control display Check that the indoor unit operates with this setting of the remot...

Page 14: ...Sanzio 9 20058 Villasanta MI Italy Tel 039 3636 1 The manufacturer reserves the right to change any product specifications without notice Order No 14472 74M9 February 2005 Supersedes Order No September 2001 Printed in Italy ...

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