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Limits of use
Voltage limits
Model
Nominal 400
Minimum Maximum
YLCA
342
436
YLHA
(1) At lower water temperatures, it is advisable to use glycol type antifreeze mixtures. Minimum Temperature with glycol -° C. (2) -18°C with low tem-
perature kit (optional) on models YLCA/YLHA to 20, and standard on models YLCA/YLHA 20, 27 and 40. (3) 0°C if entering air temperature is
above 0°C.
Prior to final approval of the installation
Check:
- Voltage is always between 342 - 436 V.
- Power supply cable section is, at least, as
indicated on the corresponding wiring dia-
grams.
- The warrantee card has been filled out.
All data subject to change without notice.
28
Entering air temperature to coil DB
Operating cycle
Minimum °C
Maximum °C
Cool
Heat
Cool
-
-10 (2)
46
-10
Water output temperature
Operating cycle
Minimum °C
Heat
Cool
Heat
-
-
(1)
20
30
- Maintenance instructions have been given,
or a regular maintenance contract has
been signed.
- Operating instructions have been given to
the user.
GB
Temperature dif. be-
tween water output
and intake
Maximum °C
Minimum
°C
Cool
Heat
-
1
3
0 (3)
Maximum
°C
7
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