Illuminate For Connection Of Wired Controller And Indoor Units Network - Lennox VRF VEHD019N432U Installation & Operation Instructions

1) Fig 5.4.1 shows the installation of wired controller.
Fig 5.4.1
2) Fig 5.4.2 shows the installation of remote controller.
3) Wired controller and receiving light board can be installed at the same time. When
operating through a remote controller, both wired controller and the receiving light
board can receive the signals, as shown in Fig 5.4.3.
5.5 Illuminate for Connection of Wired Controller and Indoor Units
Network
(1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1,
D2.
(2) Wired controller is connected to H1, H2.
(3) One indoor unit can connect two wired controllers that must be set as master one and
slave one.
(4) One wired controller can control 16 indoor unitS in maximum at the same time. (As
shown in fig5.5)
(1) The type of indoor units must be the same if they are controlled by the same wired controller.
(2) When the indoor unit is controlled by two wired controllers, the addresses of the two wired
controllers should be different through address setting. Address 1 is for main controller; Address
2 is for slave controller. Detailed setting please refer to the instruction manual of wired controller.
High ESP Fan Coil Indoor Unit
Fig 5.4.3
18
Fig 5.4.2