Daikin VRV IV Series Installation Manual

Contents

Daikin VRV IV Series Installation Manual Manual pdf 21 page image

2. Setting when joining branch portsSetting Setting when joining branch ports(Example 2)(Example 2)When joining the A and BbranchesONOFF 1 2DS2 (A1P)3 4DIP switch setting ON (Joined)OFF (Factory default)DIP switch No.DS2(A1P)DS2(A2P)DS2(A3P)1 2 1 2 1 2BS4Q54TVJTarget branch portA and B units joinedC and D units joinedBS6Q54TVJE and F units joinedBS8Q54TVJG and H units joinedBS10Q54TVJI and J units joinedBS12Q54TVJK and L units joinedWhen joining branches, only the branch port combinations shown in the above table can be used.(For example, units B and C cannot be joined.)8. ADDING AN ADDITIONAL CHARGE OF REFRIGERANTFollow the instructions in the installation manual that came with the outdoor unit to add an additionalcharge of refrigerant.9. CHECK OPERATION AND TEST OPERATION1. Verify that the control box cover is closed.2. Refer to the installation manual included with the outdoor unit and conduct a check and a test runafter all the work on the Branch Selector unit and outdoor and indoor units is completed and the oper-ational safety of the units is confirmed.• You will hear the motor operated valve operating for about 90 seconds as it is automatically initial-ized (closed) after power is turned on, but this is not a problem.• System malfunctions can be verified by means of the following methods:Indication on the indoor operation remote controllerOverall system malfunctions, including of the Branch Selector unit, can be identified using the LCDmalfunction display on the operation remote controller. For more information about the malfunctiondisplay and its significance, refer to the service precaution name plate affixed to the indoor unit andthe user manual included with the outdoor unit.183P405106-9 English

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