CIAT POWERCIAT2 LX, Instruction Manual

Page: 28 / 42

NA13.47 B EN - 26
9. CONNECTIONS
9.1 Assembling the hydraulic module
9.2 Hydraulic connections
These must meet the following requirements:
- Respect the connection direction (inlet/outlet) indicated on
the unit and the dimensional drawing.
- Install shut-off valves near the water inlets and outlets in
order to isolate the exchangers.
- The water circuit must have as few bends and horizontal
sections at different levels as possible.
- Thermally insulate the pipes and hoses to prevent heat
loss and condensation.
- Install manual or automatic air bleed valves at the high
points of the circuit(s). The bleed valves mounted on
the machine are not designed to bleed the rest of the
hydraulic circuit.
- We recommend installing flexible couplings between
the water pipes and the exchangers to reduce the
transmission of vibrations to the building as much as
possible (essential when the unit is installed on anti-
vibration mounts).
The system pipework must be secured to the wall of the
building and must not place any additional load on the unit.
The installer must provide the necessary systems for filling
and draining the energy transfer fluid.
The piping must not transmit any force or vibrations to the
evaporator.
The pump(s) must be slaved to the unit (auxiliary
operation switch of the pump to be wired). Stopping
the pumps will automatically cause the unit to stop to
prevent any risk of freezing in the evaporator.
Accessories essential to any hydraulic circuit (balancing
valve, air bleed valves, low point connections for draining,
expansion vessel, thermometer compartment, filter, etc.).
b1 b2
b2
b2
b2
b1
b1
b1
a
1
a
1
a
1
a
2
a
2
a
2
a
1
a
1
a
1
a
2
a
2
a
2
Assembly on uprights:
a1 = 6 M10 bolts + washers
a2 = 6 M10 crimped sockets
Assembly on upper and lower cross members:
b1 = 4 M10 bolts + washers
b2 = 4 M10 crimped sockets
on riveted spacers
9.3 LX - LXC series desuperheater exchanger
Principle
Heat from gases released by the compressors can be recovered directly by a desuperheater heat exchanger on the unit to
produce free, additional hot water
This optional configuration requires assembly in our factories and is by order only
For heat recovery to be possible, the unit must be operating
For the same cooling or heating capacity, the desuperheater provides a source of free hot water and lowers the unit's electrical
power consumption.