1.DESCRIPTION OF PRODUCTS & FEATURES
1.1. Products code explanation
A U 28 2 X H B A A
Climate type: T1 (see table 1)
Design number (A stands for design sequence,fixed frequency type)
Product type: A stands for heat pump type, refrigerant is R22
B stands for heat pump type, refrigerant is R407C
M stands for cool only type, refrigerant is R22
N stands for cool only type, refrigerant is R407C
Appearance character
Product series: X stands for 1 to 2, 1 to 3, 1 to 4
Applicable voltage: 2 stands for 220-240V/50Hz,
4 stands for 220V/60Hz,N stand for 380V/50Hz
Cooling / Heating capacity,28=28000BTU/h
Product type : “B” stands for cassette type, “C” stands for convertible
type, ”D” stands for duct, “S” stands for split type, ”Q” stands for chiller
system, "E" stands for ceiling concealed type, “U” stands for outdoor
unit
Air Conditioner
1.2 Brief Introduction for T1、T2、T3 working condition
1.3 Operating Range of Air Conditioners
Temp. Mode Rated Maximum Minimum
DB ℃
27 32 18
Indoor
WB ℃
19 23 14
DB ℃
35 43 10
Cooling
Outdoor
WB ℃
24 26 6
DB ℃
20 27 15
Indoor
WB ℃
14.5 --- --
DB ℃
7 24 -7
Heating
Outdoor
WB ℃
6 18 ---
Climate type
Type of Air
Conditioner
T1 T2 T3
Cooling Only
18 ℃~43℃ 10℃~35℃ 21℃~52℃
Heat pump
-7℃~43℃ -7℃~35℃ -7℃~52℃
Electricity Heating
~43℃ ~35℃ ~52℃