Hisense HZX-4.0AEC Operation Installation Maintenance Manual page 11

Production Lineup and Capacity
Nom Heat
AHU
Exchanger
CONNECTION
Capacity of
KIT Model
AHU
12HP
14HP
HZX-20.0AEC
16HP
18HP
22HP
24HP
HZX-30.0AEC
26HP
28HP
30HP
Capacity Code (DSW3) must be set corresponding to the nom heat exchanger Capacity of the AHU.
DSW3 is located in the main printed circuit board in control box.
.3 Accessories
Check the following content and number of accessories in the package before installation.
Name Descrip on
Control Box
Expansion
Valve Box
Wired Remote
Controller
Thermistor
Opera on and
Installa on manual
.4 limitation of Installation and AHU
Limitation of Installation and Application
The following symbols refer to Fig.. System Overview.
L: the distance between the heat exchanger of AHU and the Expansion Valve for the piping length.
Keep the distance no more than 5m.
H: the height difference between the heat exchanger of AHU and the Expansion Valve . Keep the
difference no more than m.
Capacity
Expansion Valve
Code
Box Model:
Setting
(DSW3)
HZX-20.0AEC/2
20HP
HZX-20.0AEC/2
HZX-20.0AEC/2
2.0~20.0
22.0~30.0
Control Box Model:
HZX-AEC/1
Q'ty
1 System control box
: 1 Expansion valve for refrigerant
AEC
: 2 cycle control (2.5m wire)
AEC
1 System se ng and control
Temperature sensing:
Outlet air (red, 2.5m)
4 Inlet air (blue, 2.5m)
Liquid Pipe (black, 2.5m)
Gas Pipe (yellow, 2.5m)
Instruc ons and
1
important no ce
Purpose
9