Hisense HZX-4.0AEC Operation Installation Maintenance Manual page 9

Ahu connection kit, expansion valve box, control box
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Outdoor unit

AHU CONNECTION KIT

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5
Remote controller

AHU
7
Heat exchanger

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Outdoor-Indoor communication

Standard indoor unit

Control wires for electrical expansion valve
C A U T I O N
The installation distance between the AHU CONNECTION KIT and the AHU must be shortest possible.
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the thermistors sensing are not distorted.
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Single combination with only AHU, for HZX-30.0AEC (22-30HP)
The two Expansion Valve Boxs wire to the same terminal of Control Box
referring to chapter 5.5
Fig.2.1 System Overview
Description
C A U T I O N
Item

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4
Control wires for AHU
5
Outlet air thermistor

Inlet air thermistor
7
Liquid Pipe thermistor
8
Gas Pipe thermistor
Description
7

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