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Controller operation
Code
Level
Variable Name
Nr.
LEGIONELLA
143 Inst.
DURATION
LEGIONELLA TIME
144 Inst.
OVER
145 Inst.
OUTPUT TEST
FLOW SWITCH
146 Inst.
STATUS
147 Inst.
FORCED MODE
148 Inst.
SYSTEM MODE
149 Inst.
CDU MODE
CDU SENSOR
150 Inst.
VALUES
151 Inst.
FREQUENCIES
152 Inst.
TEMP DISP
DESCRIPTION
Disinfection dwell time (minutes). T° has to be equal or higer
than code 142 for this time period
If Disinfection cycle is not completed within this time
(hours), the antilegionalla cycle is considered failed
Service / Reading
Allows to force board output ON
0. No Test
1. J7 Pin1
2. J7 Pin2
3. J7 Pin3
4. J7 Pin4
5. J4 Pin3
6. J4 Pin5
Displays the Flow Switch status:
1. Water Flowing
0. Water not flowing
Allows to force the system in a specific operating mode:
0. No forced mode selected
4. Booster Heat: heating at the maximum frequency
5. Booster Cool: cooling at the maximum frequency
6. Rating Heat: not to be used by installer
7. Rating Cool: not to be used by installer
10. Pump down: activates the outdoor unit in cool mode for
5 minutes to perform pump down of the refrigerant
Operating mode requested by the System Control:
0. Off
1. Standby
2. Cooling
3. Heating
4. Booster Heating
5. Booster Cooling
6. Rating Heating
7. Rating Cooling
11. Timeguard
12. Fail
Actual CDU operating mode:
1. Off
2. Cool
3. Heat
4. Fail
5. Defrost
Days button shall be used to read below values
1. Outdoor T°
2. Outdoor unit Coil T°
3. Compressor Suction T°
4. Compressor Discharge T°
Days button shall be used to read below values
1. Maximum Compressor frequency allowed by System
Control
2. Compressor frequency requested by System Control
3. Actual compressor frequency
Installer can check temperatures at this code; use Days
button for reading below values
0. Tank Temperature
1. LWT
2. Refrigerant Temperature
3. Temperature of Sanitary Hot Water
4. Water Temp of Zone 1
5. Water Temp of Zone 2
6. Tank2 Temperature
7. Room sensor connected to slave board
VALUE RANGE
DEFAULT
Min
Max
5
180
30
2
12
4
0
6
0
-
-
-
-
-
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
80AWX- 80AWH
21
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