1.2.11 Alarm configuration parameters
Alarm configuration parameters
Parameters
Description
Level
VS
Unit
Max.
Min.
Value
P01
Alarm delay by flow switch at start-up.
U
63 (R/W)
Seconds
150
0
20
P02
Alarm delay by flow switch with unit in operation.
U
64 (R/W)
Seconds
120
0
5
P03
Alarm delay by low-pressure switch at start-up.
U
65 (R/W)
Seconds
200
0
60
P05
Alarm reset
6= High and low-pressure switch manual reset at
third activation in one hour. Antifreeze control is
manually reset
F
67 (R/W)
6
P06
Cool and heat cycle symbols.
1= "Sun" heat cycle, "Snowflake" cool cycle
0= "Sun" cool cycle, "Snowflake" heat cycle
F
19 (R/W)
1
0
1
P08
Digital input 1 for flow switch Do not modify this
parameter
F
69 (R/W)
1
P09
Digital input 2 for the remote Cool/Heat function.
Do not modify this parameter
F
70 (R/W)
9
P15
Low-pressure alarm selection.
0= Inoperative with the compressor OFF
1= Operative with the compressor OFF
F
76 (R/W)
1
0
1
P16
High-temperature alarm for return water
U
38 (R/W)
°C
80
-40
30
P17
High-temperature delay at start-up
U
77 (R/W)
Minutes
250
0
30
P18
High-pressure alarm by transducer
0= function disabled
F
39 (R/W)
bar
99,9
0,1
41
P19
Low-temperature alarm for return water
U
40 (R/W)
°C
80
-40
10
P20
Alarm activation for high and low water temper‐
ature at start-up.
1= function enabled
0= function not enabled
U
20 (R/W)
1
0
0
User manual
1
Operating instructions µC2 (YLCA/YLHA 40)
1.2
19
