Procedure And Caution For Commissioning - Danfoss Optyma iCO2 Instructions Manual

Instructions
10 – Procedure and caution for commissioning
Electric work should be implemented by a contractor approved by the power company.
Install the earth leakage breaker. It is required to install the breaker to prevent electric shock or fire.
(Since the inverter is used on this unit, select a shock wave resistant type.)
10.1. Checking before turning on the power supply
1. Reconfirm that wires are connected correctly.
2. Check the power terminal board and installation face with a 500 V megger to see if it is 1 MΩ, or more.
3. Charge specified condensing unit oil and specified quantity of refrigerant after evacuation. (Refer to 6.1. Charge of condensing unit oil, 6.2. Calculation of
the charge quantity of condensing unit oil, 6.3. Replenishment of condensing unit oil after operation, 6.4. Refrigerant charge)
4. Confirm that the operation switch (CNS2) at the bottom of controller is turned OFF. Remove the cartons and the bracket before operation.
5. Anti-vibration shipping washers are not used on the compressor. Since this product does not use anti-vibration shipping washers, it is not necessary to
remove them before operation.
6. Turn on the source power supply 6 hours or more before starting the compressor to energize the crankcase without turning on the operation switch
(CNS2).
7 segment display
Operation switch(CNS2)
Carton
Fig. 34
© Danfoss | Climate Solutions | 2023.02 | LCA012A024
Carton
Bracket
118A5495A - AN405821998738en-000102 | 35