Check list for replacement of refrigeration system
Information of existing system
1. Refrigeration system: Freon or Ammonia? Direct expansion or flooded (liquid pump)?
2. Cooling method: air-cooled or water-cooled?
3. Defrost method: hot gas or water?
4. Insulation panel: material, thickness
5. Unit cooler: material of coil
6. Temperature of each rooms
7. Operating conditions: Ex – high and low pressure, oil pressure, etc
*If customer want comparison of energy save for NH3/CO2, we need to know all the specifications of equipments.
Requirements for new system
1. Layout of factory (detail length x width x height)
2. Location of machine room (if existing, size and load capacity)
3. Location of evaporative condenser and load capacity
4. Required temperature of each rooms
5. Product details, temperature IN, how many tons/day
6. Required specification of insulation panel, PU or PS?
7. Size and quantity of door at loading area
8. Details of water they use
9. Structure drawing of existing building (need to check load capacity of unit cooler)