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Modular Firstbox for high-low temperature systems - Distribution groups for high-low temperature systems,withelectroniccirculation pumps

Characteristics
 
Allows the creation of systems with high temperature zones (radiators, fan coils) and low temperature zones (floor systems) assembling one or more modules together as needed.
Besides the standard offer of pre­assembled boxed modules, individual modules are also available which can be used to build the distribution system that is most suited to your needs. The distribution manifold can be fed from both left and right and the branches can be directed either upwards or downwards.
The open manifold installed upstream from the zone distribution modules hydraulically separates the primary circuit from the secondary circuits. The non­return valves on the individual modules prevent recirculation and eddy currents that keep the terminals hot and the supply circuits to the pump floor systems non­functioning.
To exclude the individual circuits with stopped pumps, there must be electrothermal heads or zone valves directly connected to the distribution manifolds. In modules with electronic climate regulation, the automatic management of the individual low temperature zone is done by the climate regulator that is controlled by the thermostat and acts directly on the mixing valve servomotor and excludes the zone circuit with the circulator not running.
Through the use of electrical boxes for wiring the high and low tempera­ture circulators (not included) controlled by zone thermostats, system operation can be automated.

Construction
  • 1 Ball valve kit (not included)
  • 2 Open manifold (if applicable)
  • 3 Distribution manifold
  • 4 Electrical Box with safety thermostat for wiring low temperature circulator (optional)
  • 5 Electrical box for circulator wiring (optional)
  • 6 Threaded mixing valve M30x1.5 for installation of a thermostatic head with immersion probe from 20 to 65° C (where application) or an electric servomotor (not included);
  • 7 By­pass and setting valve.
  • 8 Wilo Yonos PARA RS 25/6 electronic circulator wired with three­pole cable L=1000 mm
  • 9 Housing for output temperature probe;
  • 10 Control thermometer from 0 to 80° C;
  • 11 Automatic air vent valve, ½”;
  • 12 Manual air vent valve, ½”;
  • 13 Thermostatic head with immersion probe from 20 to 65° C (fixed point reg.)
  • 14 Non ­return valve (not shown)
  • 15 Load/unloading tap with adjustable attachment and safety cap (where applicable);
  • 16 Shut­off lockshield with housing for thermometer or return probe (climate reg.)
  • 17 3 point electric servomotor or 0­10 V DC (not shown)

Technical data
Distribution manifold head threading: 1”1/4 M ­ 1” F
Distribution manifold derivation threading: nut 1” F
Individual zone derivation threading: 1” F
Distribution manifold maximum temperature: 110 °C
Maximum pressure: 10 bars
Circulator connectors: pipe union 1 1/2” ­ spacing 130 m

Low temperature mixing unit
Primary circuit maximum temperature: 90 °C
Maximum pressure: 10 bars
ΔP max, primary circuit: 1 bar
Mixing unit regulation field: 20÷65° C (fixed point reg.)
Exchangeable thermal power (ΔT 7°C, ΔP useful 0.25 bar)
Fixed point regulation: 10kW by­pass pos. 0
Fixed point regulation: 12.5kW by­pass pos. 5
Mixing valve load loss (fixed point reg.) Kv 3
Load loss with by­pass valve open (fixed point reg.)
Kvmax 4.8
Mixing unit head threading: 1” male

Wilo Yonos Para RS 25/6 circulator pump
Connections - takeoffs: G1"1/2 - 130 mm.
Speed: 800 to 4250 rpm

Usable fluids
Cooling and heating water
Water and glycol: max 1:1
Maximum head: 6.2 m
Maximum flow: 3.3 m³/h
Max water temperature: 95° C (at a room temperature of 57° C)
Max water temperature: 90° C (at a room temperature of 59° C)
Max water temperature: 70° C (at a room temperature of 70° C)
Electrical connection 1~230 V, 50/60 Hz
Protection class IPX 4D, insulation F
Nominal motor power: 37 W
Energy consumption from 1~230 V: 3÷45 W
Current absorbed at 1~230 V: 0.03 ÷0.44 A
Energy class A

In confirm to:
ErP Directive
EN 61800-3
EN 61000-6-3 / EN 61000-6-4
EN 61000-6-2 / EN 61000-6-1

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