Gree GUD50P/B-S User manual

Owner's Manual
Original Instructions
Air Conditioners
DC Inverter U-match Series Duct Type Unit
Models:
Indoor Unit
Outdoor Unit
GUD50P/B-S
GUD50PS/B-S
GUD50W/NhB-S
GUD71PH/B-S
GUD71PHS/B-S
GUD71W/NhB-S
GUD100PH/B-S
GUD100PHS/B-S
GUD100W/NhB-S
GUD125PH/B-S
GUD125PHS/B-S
GUD125W/NhB-S
GUD140PH/B-S
GUD140PHS/B-S
GUD140W/NhB-S
GUD160PH/B-S
GUD160PHS/B-S
GUD160W/NhB-S

To Users
Thank you for selecting Gree’s product. Please read this instruction manual
carefully before installing and using the product, so as to master and correctly use
the product. In order to guide you to correctly install and use our product and
achieve expected operating effect, we hereby instruct as below:
(1) This appliance can be used by children aged from 8 years and above and
persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance. Cleaning
and user maintenance shall not be made by children without supervision.
(2) In order to ensure reliability of product, the product may consume some
power under stand-by status for maintaining normal communication of
system and preheating refrigerant and lubricant. If the product is not to be
used for long, cut off the power supply; please energize and preheat the
unit in advance before reusing it.
(3) Please properly select the model according to actual using environment;
otherwise it may impact the using convenience.
(4) This product has gone through strict inspection and operational test
before leaving the factory. In order to avoid damage due to improper
disassembly and inspection, which may impact the normal operation of
unit, please do not disassemble the unit by yourself. You can contact with
the special maintenance center of our company if necessary.
(5) When the product is faulted and cannot be operated, please contact with
our maintenance center as soon as possible by providing the following
information.
1) Contents of nameplate of product (model, cooling/heating capacity,
product No., ex-factory date).
2) Malfunction status (specify the situations before and after the error
occurs).
(6) All the illustrations and information in the instruction manual are only for
reference. In order to make the product better, we will continuously
conduct improvement and innovation. We have the right to make

necessary revision to the product from time to time due to the reason of
sales or production, and reserve the right to revise the contents without
further notice.
(7) Indoor unit must not be installed in a laundry.
(8) If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualified persons in order to avoid a hazard.
(9) Gree Electric Appliances Inc. of Zhuhai assumes no responsibility for
personal injury, property loss or equipment damage caused by improper
installation and commissioning, unnecessary maintenance, or not
following relevant national rules and regulations, industrial standards and
requirements in this instruction manual.
(10) The final right to interpret for this instruction manual belongs to Gree
Electric Appliances Inc. of Zhuhai.
Exception Clauses
Manufacturer will bear no responsibilities when personal injury or property loss
is caused by the following reasons:
(1) Damage the product due to improper use or misuse of the product.
(2) Alter, change, maintain or use the product with other equipment without
abiding by the instruction manual of manufacturer.
(3) After verification, the defect of product is directly caused by corrosive gas;
(4) After verification, defects are due to improper operation during
transportation of product.
(5) Operate, repair, maintain the unit without abiding by instruction manual or
related regulations.
(6) After verification, the problem or dispute is caused by the quality
specification or performance of parts and components that produced by
other manufacturers.
(7) The damage is caused by natural calamities, bad using environment or
force majeure.

Contents
1 Safety Notice (Please be sure to abide them) ................. 1
2 Product Introduction ......................................................... 5
2.1 Overall Layout........................................................................5
2.2 Operating Range....................................................................6
2.3 Standard Accessories.............................................................6
3 Installation.......................................................................... 7
3.1 Installation Preparation ..........................................................7
3.2 Unit Installation ....................................................................18
3.3 Electrical Installation ............................................................40
3.4 Check after Installation.........................................................53
3.5 Test Running ........................................................................54
4 Installation of Controller ................................................. 54
5 Maintenance..................................................................... 55
5.1 Failures Not Caused by Faults of the AC..............................55
5.2 Error Code ...........................................................................57
5.3 Unit Maintenance .................................................................59
5.4 Notice on Maintenance ........................................................60
5.5 After-sales Services .............................................................67

DC Inverter U-match Series Duct Type Unit
1
1 Safety Notice (Please be sure to abide them)
SPECIAL WARNING:
(1) Be sure to comply with national gas regulations.
(2) Do not pierce or burn.
(3) Do not use means to accelerate the defrosting process or to clean, other
than those recommended by the manufacturer.
(4) Be aware that refrigerants may not contain an odor.
(5) Appliance shall be installed, operated and stored in a room with a floor
area larger than “X” m2(“X” see section 3.1.1).
(6) The appliance shall be stored in a room without continuously operating
ignition sources (for example: open flames, an operating gas appliance or
an operating electric heater).
PROHIBITED: This sign indicates that the operation must be prohibited.
Improper operation may cause severe damage or death to people.
WARNING: If not abide them strictly, it may cause severe damage to the
unit or the people.
NOTICE: If not abide them strictly, it may cause slight or medium damage
to the unit or the people.
OBSERVED: This sign indicates that the items must be observed.
Improper operation may cause damage to people or property.
WARNING:
This product can’t be installed at corrosive, inflammable or explosive environment
or the place with special requirements, such as kitchen. Otherwise, it will affect the
normal operation or shorten the service life of the unit, or even cause fire hazard or
serious injury. As for above special places, please adopt special air conditioner with
anti-corrosive or anti-explosion function.
Please read this operating manual carefully before operating the unit.
The air conditioner is charged with inflammable refrigerant R32 (GWP:
675).
Before using the air conditioner, please read the instruction manual.