Johnson AURUM R290 M Serie Guide D'utilisation page 87

COM
HT
Method C
(Double-zone control)
RT1
zone1
The thermostat cable can be connected in three ways
(as described in the figures above) and the specific
connection method depends on the application.
Method A（Mode set control）
RT can control heating and cooling individually. When
the hydraulic module is connected with the external
temperature controller, ROOM THERMOSTAT is set to
MODE SET on the user interface:
A.1 When "CL" of the thermostat keeps closing for 15 s,
the system will run according to the priority mode set on
the user interface. The default priority mode is Heating.
A.2 When "CL" of the thermostat keeps opening for 15 s
and "HT" close, the system will run according to the
non-priority mode set on the user interface.
A.3 When "HT" of the thermostat keeps opening for 15 s
and "CL" open, the system will turn off. （Mode set
control）
A.4 When "CL" of the thermostat keeps opening for 15 s
and "HT" open, the system will turn off.
The port closing voltage is 12 V DC, the port
disconnection voltage is 0 V DC.
Method B (single-zone control)
RT provides the switch signal to the unit. ROOM
THERMOSTAT is set to ONE ZONE on the user
interface:
B.1 When "HT" of the thermostat keeps closing for 15 s,
unit turns on.
B.2 When "HT" of the thermostat keeps opening for 15 s,
unit turns off.
CL
Power Power
supply supply
RT2
zone2
30
Method C (double-zone control)
The hydraulic module is connected with two room
thermostats, and ROOM THERMOSTAT is set to
DOUBLE ZONE on the user interface:
C.1 When "HT" of the thermostat keeps closing for 15 s,
zone1 turn on. When "HT" of the thermostat keeps
opening for 15 s, zone1 turn off.
C.2 When "CL" of the thermostat keeps closing for 15 s,
zone2 turn on. When "CL" of the thermostat keeps
opening for 15 s, zone2 turn off.
NOTE
The wiring of the thermostat should
correspond to the settings of the wired
controller. Refer to 9.2 Configuration.
Power supply of the device and room
thermostat must be connected to the same
neutral line.
When ROOM THERMOSTAT is not set
to NON, the indoor temperature sensor Ta
cannot be set to VALID.
Zone 2 can only operate in heating
mode. When cooling mode is set on the
wired controller and zone 1 is OFF, "CL" in
Zone 2 closes, and system still remains
'OFF'. For installation, the wiring of
thermostats for Zone 1 and Zone 2 must be
correct.
6.5.8 Wiring of solar energy input
signal (low voltage)
CLOSE: SHUT DOWN
V.1