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1
User manual
1.2
Operating instructions µC2 (YLHA 50, 60 and 80)
1.2.12 Controller configuration parameters
Display
Description
r01
Cool cycle set point temperature
r02
Cool set point temperature differential
r03
Heat cycle set point temperature
r04
Heat cycle set point temperature differential
Compressor rotation
0= Disabled
r05
1= FIFO type
2= Per operating hours
Type of regulation
0= Proportional. Inlet temperature.
1= Proportional+neutral zone. Input temp.
r06
2= Proportional. Output temperature
3= Proportional+neutral zone. Output temp.
4= By time+dead zone. Output temperature (chillers
only)
r07
Neutral zone differential
(If r06=4 only) Maximum activation time. Output tem‐
r08
perature.
(If r06=4 only) Minimum activation time. Output tem‐
r09
perature.
(If r06=4 only) Maximum deactivation time. Output tem‐
r10
perature.
(If r06=4 only) Minimum deactivation time. Output tem‐
r11
perature.
r12
(If r06=4 only) Compressor deactivation differential.
r13
Cool cycle minimum set point temperature
r14
Cool cycle maximum set point temperature
r15
Heat cycle minimum set point temperature
r16
Heat cycle maximum set point temperature
A
Temperature
B
First compressor
C
HEAT set point (r03)
HEAT set point (r03) +
D
Differential (r04)
22
Controller configuration parameters
Level
U
U
U
U
F
F
F
F
F
F
F
F
U
U
U
U
E
COOL set point (r01)
COOL set point (r01) +
F
Differential (r02)
G
Differential /2 (r02 / 2)
H
Second compressor
VS
Unit
Max.
41 (R/W)
°C
r14
42 (R/W)
°C
50
43 (R/W)
°C
r16
44 (R/W)
°C
50
78 (R/W)
2
79 (R/W)
4
45 (R/W)
°C
50
80 (R/W)
Seconds
999
81 (R/W)
Seconds
999
82 (R/W)
Seconds
999
83 (R/W)
Seconds
999
46 (R/W)
°C
50
47 (R/W)
°C
r14
48 (R/W)
°C
80
49 (R/W)
°C
r16
50 (R/W)
°C
80
Min.
Value
r13
12
0,3
2
r15
40
0,3
3
0
2
0
0
0
1
r09
120
c04
100
r11
120
c05
100
0
1
-40
6
r13
20
-40
25
r15
45
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