If surge prevention occurs too soon or too late:

Load

Surge Prevention Occurs

Surge Prevention

Too Soon

Occurs Too Late

 

 

 

 

At low loads (<50%)

Increase P1 by 10 psid (70 kPad)

Decrease P1 by 10 psid

 

 

(70 kPad)

 

 

 

At high loads (>50%)

Increase P2 by 10 psid (70 kPad)

Decrease P2 by 10 psid

 

 

(70 kPad)

 

 

 

Modify Amp Correction Factors

To modify the amp correction factor, use the values listed in Table 7. Enter the appropriate

amp correction factor in the Service1 table of Equipment Service.

Click here for Table 7 — Amps Correction Factors for 19XL Motors

Modify Equipment Configuration If Necessary

The Equipment Configuration table has tables to select and view or modify. Carrier’s certified drawings will have the configuration values required for the jobsite. Modify these tables only if requested.

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Carrier PC211 specifications Load Surge Prevention Occurs Too Soon Occurs Too Late, Modify Amp Correction Factors