NT-50906901-KSDR-ECOWATT-48-88-120-AN-170907
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ENGLISH
Discharge of drain tray (ER, EF and ECF versions only)
H
H
2H
The installed coil is equipped with an eliminator and
a stainless steel drain tray welded at the angles.
The drain tray outlet is 35mm long and has a 14mm
diameter. A siphon is required to guarantee the pro-
per water removal. H measurement must always
be equivalent at twice the casing negative pressure
(mm water column).
Change over thermostat (ER versions only)
A Change over thermostat (THCO sensor) should be installed on the hydraulic network and wired to the
electric panel of the unit. It allows the control of the mixing valve to be inverted in installations with only one
coil, according to the fl uid temperature detected at the entry to the valve.
B
C
A
BLACK (cold)
BROWN (hot)
RED (hot)
Technical features:
• Inverter Contact Output 240 V~, 3 A
• Calibration of C-A Contact open 30 ± 4 °C
• C-A Contact closed 15 ± 4 °C
• Spring locking on the piping
• Electrical wiring of 3 wires of 1,500 mm
• IP 65 protection
towards coil
water inlet
change-over
thermostat
4.2 Connection of valves and antifrost sensor
Change-over coil with THCO sensor and antifrost sensor
antifrost sensor
The coil tubes are 1", no gas, with a male thread at the end.
Motorised 3-way valves are not delivered already assembled.
Respect the positioning of the mixing valve on the network and the water input and output directions indi-
cated on the label glued to the coil panel.
Check the proper state and wiring of the antifrost sensor set on hot water outlet (heating coil or reversible
coil).