Ak-Pc 782B It (Parallel Compression) Suction Group Settings - Danfoss ADAP-KOOL AK-PC 782B User Manual

User Guide | Testing and startup guide, type AK-PC 782B
15. AK-PC 782B IT (parallel
compression) suction
group settings
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Open ST500, press , then select "Setpoint management". Press the "+" icon to move to "MT
control" page.
Operation note: initial settings for when the it suction group is activated are located In the receiver
control section of ST500. It is here that you de ne at what Vrec % the IT suction group is activated.
IT smart start enable = the pack control can automatically calculate ideal IT start Vrec OD if this option
is set to Yes. Otherwise the user de nes IT start Vrec OD.
IT start Vrec OD = this is the % that Vrec has to be open before the receiver gas load is shifted to the IT
compressor group.
IT start delay lter = once Vrec reaches it start vrec od, the number of seconds de ned must expire
before the IT suction group activates. Basically an ON delay for IT group.
IT end delay = OFF delay for IT group before switching control back to Vrec
IT Comp. Sgc min. = the gas cooler outlet temp must be above this value for the IT suction group to
activate. This ensures enough load to the group to keep it running.
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