GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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VIII. Unit Operating Temperature
In the case of a full fresh air conditioning IDU, the unit operating temperature is as follows:
IX. Configuration of Full Fresh Air
Conditioning IDU
Multi-connected fresh-air air-conditioning unit brings in air from outdoor and provides processed air
for indoor users. Based on the model of indoor unit, multi-connected fresh-air air-conditioning unit
supports two connection methods:
(1) The indoor units in the following table can be connected to one set of outdoor unit system
together with ordinary multi-connected air-conditioning indoor units.
Can be connected to GMV-***WM/B-X series modular outdoor
units.
Connection requirements：
1. The total capacity of all connected fresh-air indoor units and
ordinary indoor units must be 50% to 100% of the capacity of the
outdoor unit.Among which,the capacity of the outdoor unit.
2. The fresh-air indoor unit can be used independently.The
total capacity of connected fresh-air indoor units must be 50% to
100% of the capacity of the outdoor unit.
Note: When a multi-connected fresh-air indoor unit is connected with a common multi-connected
indoor unit, the capacity requirement must be strictly followed. The capacity of the fresh-air indoor unit
cannot exceed 30% of that of the outdoor unit. The sum of capacities of indoor units should be 50% to
100% of the capacity of the outdoor unit. Otherwise, the refrigeration performance will be affected and
the unit may be damaged.
Diagram of connecting a fresh-air indoor unit to a common multi-connected indoor unit
(2) The indoor units listed in the following table can be connected only in fixed mode.
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