High Pressure Protection (Excluding Rh Group) - Electra WNG 7 Service Manual

CONTROL SYSTEM
12.9.4

High pressure protection (excluding RH Group)

Mode: (Auto) Heating
Fan: Any
Timer: Any
I Feel: On or Off
Control Function
Protect the Compressor from high pressure by switching OFF the OFAN and COMP.
o
ICT [ c]
For all models except WAX
67
66
61
55
52
Any
COMP
Off
Any
OFAN is force
OFAN
Off
Off
ON
OPER
BLINK
LED
Notes:
•
IFAN, HE1 and HE2 will be activated according to the relevant
Heating Mode Sect.
•
In case of any malfunction in the relay control circuit, the OCT is also
monitored during heating mode. Whenever OCT reaches 70
a high pressure in the outdoor coil, the COMP will be forced off automatically.
The COMP can be turned on again only after the 3 min COMP ON delay and the
OCT is under 70
12-22
COMP is forced OFF
o
c. The OPER LED will not blink in this case.
Revision Y05-03
CONTENT
For WAX model
COMP is forced OFF
o
c, which indicates
Service Manual - WNG