Water source heat pump (90,130,160kw)Modular type R407C, ... work independently or with max 7 slave unit Modular Water source heat pumpCooling Capacity: 90kw-720kw, 130kw-1040kw 160kw- ... using solar energy stored in earth as cooling & heating source.Shell and tube dry expansion type condenser, factory insulated with ... , etc.OPTIONAL 1, Desuperheater as optional.2, Electronic controller with BMS system.