Household Unit Technical Service Manual
4
Chapter 1 General Information
1.1 Model Identification
Model Definition:
Definition
Unit
Indoor Unit
Function
Cooling Mode
Cooling Capacity
Expression
HN-Indoor unit
HW-Outdoor unit
With fan-F
No fan-None
Cooling-only - None
Heat pump-R
Heat pump + auxiliary
heating -Rd
Air cooled – None
Water cooled - S
Nominal cooling
capacity
(×1000Btu/h)
Definition
Special Functions
Refrigerant
Design S/N
Power Supply Code
Expression
Fixed frequency – None
Variable frequency - P
R22-None
R407-N
Arrayed in A, B, C…
Identical to QJ/GD24.02.2 – Model
Nomenclature Rules for Export
Products
Model Illustration:
1)
HWR60-D represents the heat pump outdoor unit of U.S household central conditioner with a cooling
capacity of 60000Btu/h (ton), in which “D” indicates the power supply: single-phase, 220V, 60Hz.
2)
HNF36/A-C represents the single-cooling indoor unit with fan of U.S household central conditioner, with
a cooling capacity of 36000Btu/h (3 ton), in which “/A” indicates the first modification design and “C”
indicates the power supply: single-phase, 220V, 50Hz.
1.2 Product Features
U.S household unit is also named compressor condensing unit. HW series U.S household unit is a type of
general outdoor air conditioning unit. Combined with the HNF series indoor unit (Air handler), it can form into
duct-type household central air conditioning system according to the user’s needs. It is suitable to deluxe
multi-room houses with a large area, e.g. villa, complex building. And it is also suitable to small- and medium
plaza, office spaces and workshops.
◇
Simple Structure and Small Size
: The plating part consists of 4 components only, i.e. cover plate,
chassis, side plate and condenser connection plate. The size is small down to 610mmX610mm (L X W).
◇
Easy Installation
: The unit can be directly placed outdoors and fixed with anchor bolts.
◇
Beautiful Appearance and High Strength
: Te full set of plating parts are formed by molding. The
appearance is beautiful and plastic sprayed for enhanced corrosion resistance.
◇
Highly Efficient and Energy Saving
: Application of high-quality compressor. The evaporator employs
hydrophilic filming aluminum and inner-threaded copper pipe to enhance the heat exchange efficiency.
This has increased the seasonal energy-efficiency ratio high up to 13.
◇
Safe and Reliable Operation
: The unit is CSA & UL certified and proven in numerous tests.
◇
High Quality of Indoor Air:
The unit may be connected to multiple air outlets for even distribution of
the temperature and humidity in the room. And fresh air duct is embedded for connection of fresh air to
Power Ratings
Design S/N
Refrigerant
Special Functions
Cooling Capacity
Cooling Mode
Functions
Indoor Unit
U.S Household Central Air Conditioning Unit
