M02
J40
M6-
04
WDAT-3
2.160-3.660
- W AT E R C O N N E C T I O N S -
36
SUGGESTED CONNECTION DIAGRAM
An example of a plan is as follows:
F =
Impurity
collector
with
filter
GE = Flexible
joint
GRA = Automatic filling assembly with gate valve
M =
Pressure
gauge
P =
Pump
PD = Differential
pressure
switch
R =
Ball
valve
RS = Discharge
cock
SA = Storage tank (if necessary)
T =
Thermometer
VP = Expansion
vessel
VS = Safety
valve
VSA
= Automatic air relief valve
HYDROPACK
By equipping the refrigerating units with the Hydropack accessory, the necessary flow capacity/head are provided in
different versions according to the plants potential.
HYDROPACK with 2 pumps:
in case of blockage of a pump, the unit continues to operate normally up to about 60% of the load; this condition is in any
case more reliable than the traditional solution with a single-pump of greater power. Electric pumps with 2-pole motor
(2950 rpm) for the versions ST/SC/LN and electric pumps with 4-pole motors (1450 rpm) for the versions ST/SC/LN/EN
are available. The 4-pole option ensures a lower noise with lower max. useful head.
More specifically, all main components (including the pre-setting of the connection to the system) are hydraulically
connected through swift-latch connections instead of the traditional welding, flanging and threading, with
obvious advantages for the user:
- They can be easily dismantled, affording an advantage in the inspection and maintenance operations.
- Work times are reduced by 90%.
- The deployment of specialised personnel is not necessary.
- The moving of single components is made very simple.
- Weight is reduced since at even piping dimensions the joints weigh half as much as the flanges.
- Utilisation of standard components that are available anywhere in the market.
In this way connection activities are reduced to hydraulic pipe ones and to
electric supply.
Multi pump hydronic group including:
-
M
=gauges, -VS=safety valve (6 Bar),
-
P
=high efficiency single-structure and single-rotor electric pumps,
-
VR
=check valves,
-
PRS
=safety pressure switch (avoids pumps operation in case of
water absence),
-
S&T
=evaporator
-kit including two blind plugs needed in case of pump removal for
maintenance operations.
RECOVERY EXCHANGER (OPTIONAL)
The unit can be equipped with exchangers to recover the condensation heat.
The recovery can be:
•
TOTAL, with 100% recovery of the condensation heat
o
the thermoregulation is performed by CLIVET control system
•
PARTIAL with 20% recovery
o
The customer is responsible for the management of the circulation pump, valves, thermostats, etc.
The recovery input water must not be below 25°C, in the event that, wrongful operations and breakages of the unit can
occur.
Water connections must be performed carefully as for the evaporator (filter, circuit washing, etc).
Perform all necessary interventions to avoid the RISK OF FREEZING (tubes insulation, emptying of circuit, addition of
glycol, anti-freeze resistances).
Water temperature can reach high temperatures (up to 100°C), therefore:
•
avoid the RISK OF BURNS by adopting the necessary precautions (insulation of tubes, temperature
detecting station on water if the sanitary use is foreseen, etc.)
Install safety valves and specifically dimensioned expansion tanks in the hydraulic circuit.
Summary of Contents for WDAT-3 2.160
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