1
Required tools for Installation Works
1 Phillips screw driver
2 Level
gauge
3 Electric drill, hole core drill
4 Hexagonal
wrench
(4 mm)
5 Spanner
6 Pipe
cutter
7 Reamer
8 Knife
9 Gas leak detector
10 Measuring tape
11 Thermometer
12 Megameter
13 Multimeter
14 Torque wrench
18 N•m (1.8 kgf•m)
42 N•m (4.3 kgf•m)
55 N•m (5.6 kgf•m)
65 N•m (6.6 kgf•m)
100 N•m (10.2 kgf•m)
15 Hand gloves
(for refrigerant circuit repair
16 Vacuum pump
17 Gauge manifold
18 Recovery machine
19 Recovery cylinder)
CAUTION
R290
REFRIGERANT
This AIR-TO-WATER HEATPUMP contains
and operates with refrigerant R290.
THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED
BY QUALIFIED PERSONNEL.
Refer to National, State, Territory and local legislation,
regulations, codes, installation & operation manuals, before
the installation, maintenance and/or service of this product.
Explanation of symbols displayed on the indoor unit or outdoor unit.
WARNING
This symbol shows that this equipment uses
a fl ammable refrigerant with safety A3 group
per ISO 817. If the refrigerant is leaked,
together with an external ignition source,
there is a possibility of fi re/explosion.
CAUTION
This symbol shows that the Installation
Manual should be read carefully.
CAUTION
This symbol shows that a service personnel
should be handling this equipment with
reference to the Installation Manual.
CAUTION
This symbol shows that there is information
included in the Operation Manual and/or
Installation Manual.
Installation Manual
AIR-TO-WATER HEATPUMP OUTDOOR UNIT
WH-WDG05LE5, WH-WDG07LE5,
WH-WDG09LE5
SAFETY PRECAUTIONS
• Read the following “SAFETY PRECAUTIONS” carefully before installation.
• Electrical work and water installation works must be done by licensed electrician and licensed water system installer respectively. Be sure
to use the correct rating and main circuit for the model to be installed.
• The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication
used is as below. Incorrect installation due to ignoring or negligence of the instruction will cause harm or damage, and the seriousness is
classifi ed by the following indications.
• Please leave the installation manual with the unit after installation.
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties only.
The items to be followed are classifi ed by the symbols:
Symbol with white background denotes item that is PROHIBITED.
Symbol with dark background denotes item that must be carried out.
• Carry out test running to confi rm that no abnormality occurs after the installation. Then, explain to user the operation, care and
maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.
• This appliance is not intended for accessibility by the general public.
• If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice and information.
WARNING
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any unfi t method or
using incompatible material may cause product damage, burst and serious injury.
Do not install outdoor unit near handrail of veranda. When installing outdoor unit at veranda of high rise building, child may climb up to outdoor
unit and cross over the handrail and causing accident.
Do not use unspecifi ed cord, modifi ed cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical
appliances. Poor contact, poor insulation or over current will cause electrical shock or fi re.
Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
WEB-ACXF60-51540-EN
ENGLISH
