ACV HRs 321 - Users Guide; Thermostat

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HRs / Jumbo : 661Y1200 • C
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Legend :
1. Thermometer : indicates the domestic hot water (DHW) temperature in the tank.
2. Adjusting knob : allows to dene the DHW preset temperature. It rotates 1/4 turn clockwise to
set the temperature between 60°C and 90°C.
USER'S GUIDE
THERMOSTAT
The thermostat is optional for the HRs type tanks equipped with a soft casing, but is standard for
the JUMBO type tanks with a metal casing.
Wiring Diagram ( Jumbo 800 - 1000)
B. Blue
Br. Brown
Bk. Black
Or. Orange
Y/Gr. Yellow / Green
c
1
2
Br
Y/Gr
B
OrOr
Y/Gr
Bk
Bk
N L1
L1 N
t
N
PE
L
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