1.2.3 Location of controls (YLHA 50, 60 and 80)
A
Fan heat switch (TK1, TK2,
TK3)
G
Pump
A1 Compressor 1 heat switch
(A3)
H
Low-pressure switch
(LP)
A2 Compressor 2 heat switch
(A4)
I1 Compressor 1 (M1)
B
Fan ‑1 (M3, M4, M5)
I2 Compressor 2 (M2)
C
Flow switch (FS)
J
high-pressure switch
(HP)
D
NTC water outlet sensor
(B2)
K
Four-way valve
E
Indoor heat exchanger
L
Outdoor heat ex‐
changer
F
NTC water inlet sensor (B1) M Pressure sensor (B4)
Parameter tables
The following tables show the parameters and their values, divided into groups:
Parameter level codes
Supervision variables
D
Direct
R/W
Read/write parameter
U
User
R
Read-only parameter
S
Super user
F
Factory
User manual
1
Operating instructions µC2 (YLHA 50, 60 and 80)
1.2
11
