Ofan Operation For Rc And Sh - Electra WNG 7 Service Manual

CONTROL SYSTEM
12Α.6.4.

OFAN Operation for RC and SH

• As a general rule for RC and SH groups, excluding protection modes,
OFAN starts with the compressor.
• When OFAN is then ON it will operate according to the following conditions:
a) OFAN operates together with the compressor.
b) When (RT ≥ SPT – 2) and ICT ≥ 50 the 4.7k Ohm resistor is not
connected to the OCT, OFAN will operate according to the following curve:
O N
O FAN
O FF
0 3
O C T
12a-15
Service Manual - WNG
Revision Y05-03
CONTENT