VRV Basic Operation Guide - Daikin AC

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EGVUSE09-07C_a EDUS 39 - 600 - F3. Engineering Data Engineering Data VRV Systems Basic Operation Guide Engi- AMERICAS. 1645 Wallace Drive, Suite 110. Carrollton, TX75006. 2007. DACA EGVUSE09-07C Daikin AC (AMERICAS), AMERICAS INC. Printed in 09/2007 K AK FS. DACA EGVUSE09-07C_a VRV Systems Basic Operation Guide 1. Explanations of P-H Diagram (Refrigerant Characteristics Table) ........................................ . 2. 2. Concept of Basic Refrigeration Cycle ........................................ ........................................ ..... 3. 3. Points of Refrigerant Control of VRV System ........................................ ................................. 4. Cooling 4. Heating Operation .

* Subcooled degree SC = (outdoor condensing temperature - indoor liquid pipe temperature) Compressor Capacity Control Superheated Degree Control of Indoor Electronic Expansion Valve Subcooled Degree Control of Indoor Electronic Expansion Valve *1. When sizing indoor units, caution should be taken to ensure that the unit is not oversized for the ...

  Subcooled