York YLCD Series User Manual page 31

Location of controls (YLHD 40 and 70)
Fan heat switch (TK1, TK2,
A
TK3)
Compressor 1 heat switch
A1
(A3)
Compressor 2 heat switch
A2
(A4)
B Fan ‑1 (M3, M4, M5)
C Flow switch (FS)
NTC water outlet probe
D
(B2)
E Indoor heat exchanger
F NTC water inlet probe (B1)
Parameter tables
The following tables show the parameters and their values, divided into groups:
Parameter level codes
D Direct
U User
S Super user
F Factory
G Pump
Low-pressure switch
H
(LP)
I1 Compressor 1 (M1)
I2 Compressor 2 (M2)
High-pressure switch
J
(HP)
K Four-way valve
Outdoor heat ex‐
L
changer
M Pressure sensor (B4)
R/W
R
User manual
Operating instructions
B
A
L
M
K
J H
I1
A1
I2
A2
Supervision variables
Read/write parameter
Read-only parameter
1
1.5
C
D
E
F
G
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