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MRV 5-H
1.6. OUTDOOR UNITS
* Outdoor units are Installed on anti-vibration pads or rails.
* Outdoor units are installed on level ground.
* 3-1/2 feet of clearance is required for the outdoor units from walls and others equipment.
* Outdoor units are in perfect physical conditions, free of dents or dings.
* The outdoor units in same system have 8 inches clearance from each other.
* Gather ttingsand lines are on the same level.
* Each outdoor unit has a circuit breaker.
* Drainage must be proveded for outdoor units (HEAT MODE).
* The communication wire is properly installed between the outdoor units A, B, C.
* The communication wire is correctly installed for the centralized monitor between master outdoor unit and
interface (Assy. chain)
* Outdoor units are supported on anti-vibration pads or rails.
2. PRE START UP
* 100% Of the piping completed the pressure test at 80 psi (5.5 Kg/cm
2
) during 3 Minutes
* 100% Of the piping completed the pressure test at 250 psi (17.5 Kg/cm
2
) during 2 Hours
* 100% Of the piping completed the pressure test at 590 psi (40.5 Kg/cm
2
) during 24 Hours
* Vacuum test; reaching gauge presssure of 350 microns.
* The systems have been with Electric power more than 6 hours before start up.
* Indoor units are addressed properly.
* Outdoor units are addressed according the position Master, Slave 1, Slave 2, Slave 3.
* Once the system is connected to electric power, the master outdoor unit display show the indoor units
quantity connected.
* All the Indoor units and valve boxes work correctly in Fan Mode.
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