Oilon RE 35, Installation And Operation Manual

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48 (67) RE01 1445EN
No. Definition Sensor Cause Action
10 Outside sensor BX9 No outside sensor Check outside sensor
connection.
30 Flow sensor 1 BX11 No measurement
from outgoing water
Check Heating Circuit 1
flow sensor connection.
32 Flow sensor 2 BX21 No measurement
from outgoing water
Check Heating Circuit 2
flow sensor connection.
33 Flow sensor HP BX10 No measurement
from outgoing water
Check Heating Circuit P
flow sensor connection.
35 Source inlet sensor BX13 No measurement
from source inlet
sensor
Check source inlet sensor.
36 Hot-gas sensor 1 BX7 No measurement
from hot gas sensor
Check hot gas sensor
measurement connection.
40 Condenser difference
max. limit
Too high
temperature over
condenser
Check heating circuit
venting.
Increase pump rotation
speed.
41 Condenser difference
min. limit
Too low temperature
over condenser
Slow down pump rotation
speed.
42 Evaporator difference
max. limit
Too large
temperature
difference over
evaporator
Check ground circuit
venting.
Increase pump rotation
speed.
Check screen.
43 Evaporator difference
min. limit
Too small
temperature
difference over
evaporator
Check compressor
operation.
106 Source temp too low Too low ground
circuit temperature
Vent ground circuit.
Check that pump rotation
speed is at maximum.
107 Hot-gas compressor 1 Compressor hot gas
temperature too high
Check:
● collector circuit
temperature
● condensation
temperature
● expansion valve
setting
222 High-press in HC
operation
E10 Compressor has
reached maximum
pressure at pressure
side
Adjust maximum
temperature for outgoing
water lower.
226 Compressor 1
overloaded
E11 Compressor
overloaded
Call service.
Check from motor
overload protection setting
data.
227 Compressor 2
overloaded
E11 Compressor
overloaded
Call service.
Check from motor
overload protection setting
data.