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DC Inverter Multi
VRF Service Manual
DPOUSPM
7.2 Centralized Controller CE51-24/E(M)
7.2.1 Function
Used in multi-VRF system, a set of centralized controller can connect with 64 communication modules
to control 1024 sets of indoor units. Through it, indoor unit’s ON/OFF, operation mode, set temperature, fan
speed, swing state etc. can be queried and controlled. This device can realize single/group/center control and
conveniently manage the air conditioners through weekly timer and long-distance shield setting.
Single control is to control a single unit;
Group control is to control a preset group of indoor units;
Center control is to control all indoor units;
Single/group/center shield is to shield the operation parameters of indoor units from long distance;
Single/group/center weekly timer is to set TIMER ON/OFF of the air conditioner from long distance;
Clock setting is to set week, hour and minute and let them show;
The centralized controller can automatically detect the online “region” and indoor unit and display present
indoor unit’s operation mode, set temperature, fan speed, swing, weekly timer, shield, etc.For the purpose
of quick inspection, upon malfunction of any indoor unit, its corresponding error code and region no. will
be displayed and blink. The centralized controller integrating multiple communication modules makes up a
communication network. Without repeaters, the communication wires’ distance can be up to 1km.
Note: this centralized controller shall be used with communication module ME30-00/E2 or ME30-24/
E2(M).
7.2.2 Operation View
ALL ON ALL OFF
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3 4 5 6 7 8 9
10 11 2013 15 1712 14 16 18 19
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Fig.7.2.2
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