4
ENGLISH
BUSH UNION
To be solvent welded to 1 ½” PVC pipe. Only the new hose-set supplied with the heater must be used (old connections
cannot be reused).
OTHER COMPONENTS:
ELECTRIC CONNECTIONS TERMINAL
Provided for the electric connections.
A R S
Anti-bounding security system. Most systems equipped with filtration
can suffer flow diminution due to filter saturation. In those cases the
flow switch control could send reiterative signals to the main switch and
damage it. The ARS discards the reiterative signals to protect the main
switch and increase its life.
ASSEMBLING INSTRUCTIONS
Please install it preferably below water level in vertical or horizontal position.
(Fig. 1)
When installed above water level do it in such a way to avoid water discharge from the heater.
ELECTRICAL CONNECTIONS
An Over Current Circuit Breaker (OCCB) must be incorporated in the fixed wiring in accordance with the wiring rules
which provides full disconnection under overvoltage category III with a contact separation in all poles.
It is recommended to install, previous to the heater, a differential switch (0,03A) and the fuses corresponding to each
power.
Cables should comply H07 RNF standards for each different power.
The cross section of the cables should comply the DIN VDE 0100 standard.
To connect the heater proceed as follow:
Open the box.
CONNECTION TO 400 V 3N~ (Fig. 2)
Push the supply cable through the mechanical seal. Connect the three phases to
the connections marked with L1, L2, L3.
Connect the Neutral cable to the connection N.
Connect the Ground cable to the connection
Close the box and set the differential switch into on position.
The green led should light on. The heater is ready to work.
400 V 3N~ ELECTRIC HEATER DIAGRAM. (Fig. 4)
CONNECTION TO 230 V ~ 1 N. (FIG. 3)
Suitable for 3 kW, 6 kW and 9 kW.
Assemble the Shunt (supplied) between connectors L1, L2 and L3.
Push the supply cable through the mechanical seal.
Connect the existing phases into any of the L1, L2, L3 connections.
Connect the Neutral cable to the connection N.
Connect the Ground cable to the connection
Close the box and set the differential switch into “on” position. The green led should light on.
The heater is ready to work.
230 V ~ 1 N ELECTRIC HEATER DIAGRAM. (Fig. 5)
Suitable for 3 kW, 6 kW and 9 kW.
230 V 1 N~
400 V 3 N~
W
A
A
3 kW
12,8 A
4,8 A
6 kW
24,5 A
8,9 A
9 kW
37,3 A
13,4 A
12 kW
50,2 A
17,7 A
18 kW
74,7 A
26,8 A
Summary of Contents for AR20753
Page 2: ...2 ...
Page 39: ... 39 NO OK OK Fig 1 NO OK ...
