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5 - ELECTRICAL CONNECTIONS
5.16 SYSTEM WITH MIXING GROUP KIT
+
-
GND
RS
485
-
+
GND
RS485
RS485
+
-
GND
230/1/50
ST1
OPEN
CLOSE
COMMON
BT1
+
-
10
11
12
2
4
3
GND
• WSAR unit
• Control electronic module for mixing group PECZ0013
• HID-H1 keypad in ambient
A - COMPONENTS
B - OPERATING
System on :
The HID-H1 thermostat in ambient controls the switching
on and off of the unit according to the ambient
temperature and the ambient set ;
with a satisfied set the heat pump is in stand-by
System off :
Unit and radiant panels are off.
C - ELECTRICAL CONNECTIONS
Connect as indicated in the diagram above-mentioned
WSAR
• Power supply
• Bus connected to the RS485 module
• See page 34 of this manual
HID-H1 keypad:
• Fed with 12 Vac transformer not supplied
• bus connected with in-out mode
• Do not connect the bus shield to GND
• See page 34 of this manual
PECZ0013
• Power supply 230Vac
• Do not connect the shield to GND
• Servomotor of the 3-point valve
• Circulating pump
• Fix the probe and the safety thermostat on the supply
pipe of the radiant panels
D - ADDRESSING
The heat pump and the mixing module are already pre-
addressed : the address has to be verified only in case of
anomaly.
WSAR
• Connect HID-H1 to the cable on the unit
password -> Maintenance man (115) ->
Unit configuration -> communication -> Id283 = 2,
Id284=1, Id285=0
Control electronic module for mixing group
• Connect the HID-T2/3 thermostat to terminals 10 – 11
– 12 of the board
• Set the parameter P33=50, P34=1, P35=0.
E - SYSTEM CONFIGURATION FROM HID-H1 KEYPAD
1. Insert the HID-H1 keypad on the wall base
2. Set it in “system’s manager” mode (on the display will be
visualized the ambient temperature)
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