Electra DNC series Service Manual page 91

CONTROL SYSTEM
changed. COMP & OFAN are forced OFF when ICT =< -6
are kept OFF until ICT > 14
2. For WAX model, the defrost processes is simpler. When J7 is
open, COMP & OFAN are forced OFF when ICT =< -1
kept OFF until ICT > 5
process is the same as that of the other models (R.H.S. of the
graph above). In both cases, the ICT checking in t2 and t3 are not
applied.
7.1.2. High Pressure Protection
Mode: (Auto) Cooling or Dry
Temp: Selected desired temp.
Fan: Any
Timer: Any
I Feel: On or Off
Control Function
To protect the COMP from the high pressure built-up in the outdoor
coil during normal cooling operation, by switching OFF the IFAN and
COMP.
o
OCT [ c]
For all models except WAX & P2000
68
66
61
55
52
Any
COMP
OFF
Any
OFAN follow operation of
OFAN
ON
COMP
Any
IFAN forced
IFAN
L to LOW
ON
OPER
Blink
LED
8-24
o
c.
o
c. When J7 is closed, the WAX defrosting
COMP is forced OFF
OFAN is forced ON
Revision Y05-01
CONTENT
o
c, and
o
c, and are
For WAX & P2000 models
COMP is forced OFF
OFAN is forced ON
Service Manual - DNC Series