Service manual

SiUS041111 Control Specification

Function and Control 39

3.4 Discharge Pipe Temperature Control

Outline The discharge pipe temperature is used as the internal temperature of the compressor. If the

discharge pipe temperature rises above a certain level, the upper limit of frequency is set to keep

this temperature from going up further.

Detail

Zone Control

Stop zone When the temperature reaches the stop zone, the compressor stops.

Dropping zone The upper limit of frequency decreases.

Keep zone The upper limit of frequency is kept.

Up zone The upper limit of frequency increases.

Reset zone The upper limit of frequency is canceled.

09/12 class 15/18/24 class

A 110°C (230°F) 118°C (244.4°F)

B 105°C (221°F) 108°C (226.4°F)

C 101°C (213.8°F) 103°C (217.4°F)

D 99°C (210.2°F) 97°C (206.6°F)

E 97°C (206.6°F) 85°C (185°F)

(R14722)

Discharge pipe

temperature

Stop zone

Dropping zone

Keep zone

Up zone

Reset zone