VRF Protocol Gateway
11
CAN2 network
: L2 shown in Fig. 6.2 is CAN2 bus, which consists of gateway
and master outdoor unit of system; one CAN2 network can connect to 16 sets of
outdoor units and 255 sets of indoor units. When the quantity of outdoor units
exceeds 16 or the quantity of indoor units exceeds 255, it should be divided into two
CAN2 networks.
System
: One system consists of one set of outdoor unit (one set of outdoor unit
is a module set, which can consist of 1~4 modules, that is, 1~4 sets of outdoor units)
and its indoor unit.
Connectable quantity of units of gateway: One gateway can connect to 16 sets
of outdoor units and 255 sets of indoor units at most.
Remarks
:
（
1
）
One 485 bus can connect to 254 gateways at most, if there a re other 485
equipment in the 485 bus, the connectable gateway should reduce
accordingly.
（
2
）
It is recommended that the connecting quantity of gateway of 485 bus n is
less or equal to 16.
7 Product Installation
7.1 Product Size and Spatial Size for Electric Control Cabinet
Installation
7.1.1 Product Size
Fig. 7.1 Gateway product size chart
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