Panasonic WU-192ME2U9 Technical Data Manual - Page 11

2. Features of 2WAYYVVRRFFSSYYSSTTEEMM 2-1. Outline of 2WAY VRF SYSTEM System example OuOtluintleinoefo2f W2WAAYYVVRRFF SYSTTEEMM Since all pipings are CONCENTRATION concentrated into one pipe shaft, you can minimize tubing CONNECTION * The capacity after the setting must not exceed 30-Ton. space and construction labor. 1 2 If indoor/outdoor units need servicing, a ball valve (field supply) cuts off non-operational units to let other units stay running. 3 ADDITION System limitations Maximum number of combined outdoor units 3 Maximum Tonnage of combined outdoor units 30-Ton If your indoor capacity load changes in the future, it's easy to add on both indoor and outdoor units 4 Maximum number of connectable indoor units 64 using the same tubings. Indoor/outdoor unit capacity ratio 50~200% Maximum actual tubing length 656 ft *If the additional installment of outdoor and indoor units are Maximum level difference (when outdoor unit is lower) 164(131) ft expected, the size of refrigerant tubng should be decided according to the total capacity after the addition. Maximum total tubing length 3,280 ft *For details, see the Tables 2-1 and 2-10 in Section 2. 5 Combination of outdoor units The DC inverter unit can be used independently or in combination. R407C models and R22 models must not be used in combination with each other. 6 Total 72 96 120 144 168 192 216 240 264 288 312 336 360 Model U-72ME2U9,U-72ME2U94 1 1 2 1 1 7 U-96ME2U9,U-96ME2U94 1 1 2 1 1 2 3 1 U-120ME2U9,U-120ME2U94 1 1 2 2 3 U-144ME2U9,U-144ME2U94 1 Maximum number of connectable indoor units when connected with minimum capacity Total system Number of Total system Number of 8 tonnage indoor units tonnage indoor units 6 20 14 45 8 25 16 50 10 32 18 55 12 39 20~30 64 1 - 5 9