Midea SMK-D140HHN1-3

High Temperature Hydro Module
40 202003
Midea
VR High Temperature Hydraulic Module
To enable the group control function, you need to use the following steps to set the DIP switch on the main board: for the
master hydraulic module, turn digit 11; for the slave hydraulic module, turn digit 10.
Caution
 By default, the value is 00, indicating that a controlled group contains only one master unit.

The master unit must be connected to a wired controller. The wired controller is used to set the desired water tank
temperature.

The slave unit can be connected to or is not connected to a wired controller. The wired controller of the slave unit
provides the query function only.

The pump is controlled by the master unit. The temperature sensor of the water tank is connected to the master
unit.
 The wired controller is connected to the master unit is used to set the desired water tank temperature.

Notes for installers and service engineers

SW4
Group control function setting:
00 and 01: Group control function is unavailable.
11: Group control function is available. This hydraulic
module is a master hydraulic module.
10: Group control function is available. This hydraulic
module is a slave hydraulic module.