{
  "params": {},
  "components": [],
  "edges": [],
  "ports": {
    "plant_chw_in": "splitter:outlet_a",
    "plant_chw_out": "merger:inlet_a"
  },
  "instances": [
    {"of": "BaseChiller", "name": "c1", "circuit": 0, "params": {}},
    {"of": "BaseChiller", "name": "c2", "circuit": 0, "params": {"ua_cond": 800}}
  ],
  "connections": [
    {"from": "c1.chw_out", "to": "c2.chw_in"}
  ]
}