47
GB 01/2009
AWR MTD - AWR MTD/B
LIST OF ACCESSIBLE PARAMETERS
Directory label
Meaning of the code (label)
Parameters
Parameters for:
CL
ConFiguration
CL00... CL97
Analogue input/output configuration
Cr
ConFiguration
Cr00... Cr50
Analogue input configuration
CF
ConFiguration
CF01... CF61
Serial configuration
Ui
User interface
UI00... UI36
User interface
tr
thermoregulation
tr00... Tr44
Temperature control
St
Stati (Modi di funzionamento)
St00... St05
Operating status
CP
ComPressori
CP00... CP27
Compressor
Pump
PI
Pump (Internal)
PI00... PI52
Primary water circuit pump
Fan
FI
Fan (Internal)
FI00... FI03
Circulation fans (inside)
FE
Fan (External)
FE00... FE59
Fans (outside) once-through heat exchanger
Pump
PE
Pump (External)
PE00
Pump once-through heat exchanger
Electric
HI
Electric Heaters (Internal)
HI00... HI26
Electric heaters, primary heat exchanger
heaters
HE
Electric Heaters (External)
HE00... HE15
Electric heaters, once-through heat exchanger
HA
Electric Heaters (Auxiliary)
HA00... HA02
Auxiliary electric heaters
br
boiler
br00... Br05
Boiler
dF
deFrost
dF00... dF32
Defrost
dS
dynamic Setpoint
dS00... dS06
Dynamic set point
Ad
Adaptive
Ad00...Ad06
Adaptive
AF
AntiFreeze
AF00... AF03
Frost protection
AS
PAR/AS
AS00... AS45
Domestic hot water
HP
PAR/HP
HP00... HP12
Table of heat pump shut-down function parameters
PL
Power Limitation
PL00... PL22
Forced capacity control
tE
PAR/tE
tE00... AL92
Time bands
AL
ALarm
AL00... AL82
Alarms
Note:
when setting the parameters the COMPRESSOR and HEATER LEDs will flash alternating with the DEFROST LED.
FAULT
CAUSE
SOLUTION
DISPLAYING ALARMS
I A
Values display indication
Er03
High pressure switch from transducer tripped
Check the fault
Check high discharge pressure
Check the operation of the high pressure
switch
Check the wiring diagram
Replace the component
Values display indication
Er07
Low pressure switch from transducer tripped
Check the fault
Check low discharge pressure
Check the operation of the low pressure switch
Check the wiring diagram
Replace the component
Values display indication
Er01
High pressure switch tripped, manual reset
after 3 activations in one hour, incorrect con-
nection of power supply phases (three-phase
models only)
Check fault (see high discharge pressure)
Reset manually
Change the position of two phases.
Values display indication
Er05
Low pressure switch tripped, manual reset
after 4 activations in one hour
Check the fault
Values display indication
Er30
Frost prevention alarm (manual reset)
Check water outlet temperature
Check water flow
Check temperature Set Point
Check correct positioning of sensor BT2
Values display indication
Er20
Differential pressure switch or flow switch
tripped
Manual reset if active for more than 30 sec-
onds
Check inadequate water flow
Check for air in water circuit
Check electrical connection (see unit wiring
diagram)
