Service manual

Installation
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1.2) Install indoor units
Procedure:
Note:
1. The hook must strong enough to sustain the weight of indoor unit.
2. Check the models of indoor units before installation.
3. Pay attention to the main devices, such as the pipeline.
4. Hold enough places for maintenance.
5. Hold service port (400x400).
1.3) Refrigerant pipe
Procedure:
1.4) Drainage pipe
Procedure:
Note: It is no need to insulate the drainpipe if you choose the plastic pipe as drainpipe.
1.5) Electric wiring
1. Communication wire: must use STP (Shielded twist-pair) as the communication wire
and pay attention to the consistency. When wiring parallel to the power wire, please keep
certain distance (about 300mm) to prevent interfering signal.
2. Power wire: please pay attention to select correctly the breaker switch, dimension of
wire and so on. And both indoor units and outdoor units should be grounded well. The power
wire and signal wire can’t be enlaced together.