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V8 Mini R410A VRF 50Hz

Part 1

General Information

5 Selection Procedure

5.1 Procedure

Step 1: Establish design conditions

Step 2: Select indoor units

Step 3: Select outdoor units

Notes:

1. If the indoor design temperature falls between two temperatures listed in the indoor unit's capacity table, calculate the corrected capacity by interpolation.

If the indoor unit selection is to be based on total heat load and sensible heat load, select indoor units which satisfy not only the total heat load

requirements of each room but also the sensible heat load requirements of each room. As with total heat capacity, the sensible heat capacity of indoor

units should be corrected for indoor temperature, interpolating where necessary. For the indoor unit capacity tables, refer to the indoor unit technical

manuals.

Yes

Design temperature and humidity (indoor and outdoor)

Required heat load of each room

System peak load

Piping length, level differences

Indoor unit specifications (type and quantity)

Decide indoor unit safety factor

Select indoor unit models ensuring that:

Indoor unit capacity corrected for indoor air temperature WB

≥ Required heat load × Indoor unit safety factor

Determine required total heat load on outdoor units