430293ENG-Dec01
Installation / Technical Data
25
Installation
Positioning – without room sensor
If there is no room sensor or the room sensor has not been activated the unit can be placed as desired.
Positioning – with room sensor
When used with the unit sensor activated the unit must be placed at a height of approximately 1.20 to
1.50 m in a place representing the temperature of all rooms. It is advisable to choose an internal wall in
the coolest room which is used in the day.
The unit may not be positioned:
·
In direct sunlight (take note of the position of the sun in winter)
·
Near any equipment which produces heat like televisions, wall lights, radiators etc.
·
On walls where hot water pipes or chimneys run.
·
On outside walls which are not insulated.
·
In corners, recesses, shelves or behind curtains (insufficient air circulation).
·
Near doors which lead to unheated rooms.
·
In rooms which are regulated with thermostatic valves.
Mounting
Open the cover and loosen the screw inside. Lift the unit off the back plate. Secure the back plate with
the screws provided. The data bus cable must be threaded through the lower part of the back plate. With
a data bus cable of over 50m cable of types JY-(ST) 2x0.6 must be used. The screening must be
connected to the earth terminal of the boiler.
Note:
on new installations use a box behind the room station.
Electrical Connection
Before connecting / wiring the power at the boiler must be off. The 2 core bus cable is connected to the 4
pole terminal on the back plate. After the wiring is complete the room station is slotted in from above and
screwed to the back plate. Refer to the electrical diagram supplied with the boiler.
Note:
by incorrect wiring the remains in VERSION indication for approximately 1 minute and then goes to
fault indication.
Technical Data
Wiring:
4 pole screwed terminals on back plate
for 1mm
2
max wire cross section.
Bus Interface:
RS485
Power supply:
From central unit
Color:
White RAL 9016
Fixing distance:
60mm (2 hole fixing)
Wall Fixing:
2 x 3mm dia x 18 long
Weight:
170g
Operating Temperature:
-10
o
C….+50
o
C
Storage Temperature:
-25
o
C….+60
o
C
Clock Accuracy:
- +/- 50sec./month
Data retention:
- Backup for 5 years
Indication:
Alpha numeric text indication as well
as symbols
