New Sabroe SAB/Johnson Controls complete cool/-freeze screwpackage is assembled by Comron International and consists of the following main components:
- 1x Sabroe / Johnson Controls screw compressor package, type 233E VSD, contains: Horizontal oil separator, oil pump, thermosifon shell-and-plate/oil cooler
New Unisab III controller, ABB 570 kW electric motor, IE4, IP55, with insulated bearings, economizer connection with control station.
- New control cabinet with Danfoss 500 kW frequency converter for the ABB E-motor.
- PED pressure certificates
The mentioned cooling capacity of 542 kW is based on refrigerant R717 (ammonia) at -40°C/ +35°C, with economizer, 60 Hz, and a compressor speed of 3,600 RPM resulting in an absorbed power of 344 kW. At -3°C / +35°C, the cooling capacity is 2439.8 kW with an absorbed power of 495.5 kW.