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6
mute
µ
chiller
comp
x 100
clear
SEL
PRG
connected and tested. The electric box has a door with a block-
ing mechanism and contains the compressor and fan contac-
tors, fuses and electrical protection. Also has IP44 protec-
tion.
Centrifugal fans
Transmission is by belts and removable core pulleys. The
motors are mounted on tensing bases fastened directly to the
fan casing.
Two versions are available: with horizontal or vertical air dis-
charge
Controls
So as to achieve maximum energy savings, perfect opera-
tion of the equipment and prolong the useful life of same, the
YLCC water chillers or heat pump units are equipped with
the following controls:
- Electronic thermostat that controls cold water return tem-
perature.
- Electronic antifreeze thermostat.
- High pressure switch, 31 bar.
- Low pressure switch, 2 bar.
- Stage rotation (included in the thermostat).
- Remote terminal unit (optional).
- Timed start.
- Remote control.
Accessories
Hydro kit GH
Includes: Buffer tank, automatic air purger, pressure gauge,
automatic 1.5 bar filling valve, expansion vessel, pump, flow
switch, drain valve, safety valve and electronic board for in-
terconnection. Available in 200, 260 and 600 litre capacities.
There are two versions of GH600: GH600S and GH600P.
Compatible with the following units:
GH200 for size 42
GH260 for sizes 62 and 82
GH600S for sizes 102 and 122
GH600P for size 152
DI buffer tanks
Cylindrical shape and in vertical position. Available in 200,
260 and 600 litre capacities.
Low ambient kit (factory-mounted, optional)
This accessory allows operation of the unit when the con-
densing outdoor air temperature is below 10° C.
General information
This accessory controls condensing pressure in the winter
cycle by varying air flow through the outdoor coils. This flow
variation keeps condensing pressure constant when outdoor
temperatures are low.
Operation
By means of the pressure detected through the analogical
pressure switches installed in the cooling circuit, and carry-
ing out the appropriate calculations as programmed, this con-
trol generates an analogical signal that opens the dampers
to maintain the condensing pressure previously programmed
as the set point.