
Contents
1. General installation Guide
1. Introduction ···························································· 4
2. Product Outline ······················································· 5
3. DVM design process ················································ 7
4. Installation process & Guideline ·································· 8
5. Installation Procedure ··············································· 9
2. Preparation for installation
1. Checking the Installation Site ··································· 25
2. Product handling ···················································· 29
3. Materials and Tools ················································ 39
3. Guideline for each installation process
1. Sleeve work ·························································· 47
2. Insert work and support work ···································· 49
3. Concealed Box work ··············································· 51
4. Refrigerant pipe construction ···································· 52
5. Refrigerant pipe flushing ·········································· 71
6. Drainpipe Work ····················································· 73
7. Insulation work ······················································ 82
8. Gas leak test ························································· 84
9. Vacuum drying ······················································ 86
10. Charging Refrigerant ············································· 88
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