Technical Data; Limits Of Use; Correcting Factors - York YLHA PLUS 15 Installation Manual

1.5 Technical data

1.5.1 Limits of use

Voltage limits
Model Nominal at 400
Mini‐ Maxi‐
mum mum
YLCA
342 436
YLHA
PLUS
(1) At lower water temperatures, it is advisable to use glycol-type antifreeze mixtures. Minimum
temp. with glycol ‑5 °C.
(2) -18 °C with low temperature (optional) in models YLCA/YLHA PLUS 20, 27.
(3) 50 °C if the inlet air temp. is higher than 0 °C.
Prior to final approval of the installation
Check:
• Voltage remains between 342 ‑ 436 V.A.
C A U T I O N
The cable used for the unit power supply must be H05 RN ‑ F
• Power supply cable cross-section is at least as indicated in the corresponding wiring diagrams. The
cable used for the unit power supply must be H05 RN-F.
• Operating instructions have been given to the user.
• The warranty card has been filled out.
• Maintenance instructions have been given, or a regular maintenance contract has been signed.

1.5.2 Correcting Factors

Fouling factors
Fouling Factor m2 °C/kW
0,044
0,088
0,176
0,352
Inlet air temperature to the
coil DB
Operating cycle
Maximum
Minimum °C
°C
Hea Hea
Cold Cold
t t
- -
-10(2) 46
-10 20
Evaporator
Capacity factor
0,987
0,964
0,926
Water outlet temperature
Operating cycle
Minimum °C Maximum °C
Cold Heat Cold Heat
- -
5(1) 15
30 50(3)
absorbed power factor
1
Installation manual 1
Technical data 1.5
Temperature difference be‐
tween water outlet and inlet
Minimum °C Maximum °C
3 7
compressor
1
0,995
0,985
0,962
9