List of Control System Installation
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List of Control System Installation
| Item | Installation position and requirement | Material | Source | BROAD scope | Customer scope |
|---|---|---|---|---|---|
| Chiller | |||||
| Chiller and pumpset grounding | Grounding resistance ≤4Ω | Grounding wire | Customer | / | Grounding setup and wiring |
| Chiller power | Control cabinet of chiller and water system | 5-core cable (10m standard supply) | BROAD | Wiring inside chiller control cabinet | Cable installation |
| Touch screen | Anywhere in office (on the wall or desk) humidity 0~85% (no condensate), temperature 0~30°C | 2-core shielded cable (30m standard supply) | BROAD | Wiring inside chiller control cabinet | Cable installation |
| Network monitoring | Chiller control cabinet | Network cable | Customer | Wiring inside chiller control cabinet | Cable installation, wiring at building side |
| BMS interface (optional) | Chiller control cabinet | Communication cable (for serial communication), 11-core cable (for dry contact) | Customer | Wiring inside chiller control cabinet | Cable installation, wiring at building side |
| Ambient temperature sensor | Good ventilation, no direct sunlight | 3-core cable (10m standard supply) | BROAD | Chiller control cabinet wiring | Temperature sensor installation wiring* |
| Heating W outlet temperature sensor, hot W outlet temperature sensor | At heating W/hot W pipe outlet side 10m away from the chiller | 3-core cable (10m standard supply) | BROAD | Wiring | Temperature sensor installation |
| Pumpset | |||||
| Installation of water distribution system control cabinet and power connection | Water distribution system control cabinet | Installation bolts, 5-core cable | Customer | Wiring inside chiller control cabinet | Cable & control cabinet installation |
| Wiring between chiller and water distribution system control cabinet | Between chiller and water distribution system control cabinet | Cable supply as per packaged chiller | BROAD | Wiring inside chiller control cabinet | Cable installation |
| Wiring between pumpset and water distribution system control cabinet | Between water distribution system control cabinet and pumpset | Cable supply as per standard pumpset | BROAD | Wiring inside chiller control cabinet | Cable installation |
For BROAD packaged chiller, the energy meter is included already for accurate electricity metering; If customers order chiller only, they need to install energy meter separately to caculate the total electricity consumption of chiller and pumpset.