Basic Settings; Explanation Of Symbols - Salus ERT30 Instruction Manual

Digital Room Thermostat
Important:
The thermostat must be disconnected from its power supply before its housing is opened.
Wall mounting
The housing cover must be separated from the base plate before the controller is fitted.
Follow the steps listed below:
1. Loosen the screw on the underside.
2. Open the housing by removing and then lifting off the housing lid on the underside.
3. Now fix the base plate with the screws supplied on the wall or on the flush mounting box.
Factory setting
Display of actual temperature in °C
-
- Normal operation (not lowered)
- Desired temperature 20°C

Basic settings

The jumpers on the PCB can be used to turn on or off various functions of the ERT 30:
ERT 30 Jumpers
Function
Switch
Valve protection
VP
function
Pulse width modulation
PWM
Temperature reduction
The factory setting for all these functions is ON. You can change these settings according
to your own requirements by moving the contact terminals on the jumpers.
Important:
The contact terminals should not be removed!
As long as the installation is carried out to a professional standard, the criteria for protection
class II will be satisfied.

Explanation of symbols

ERT 30 symbol Meaning
Temperature lowering active
Heat requested
blinkend
Frost protection mode active
Cooling operation active
Wiring diagram
The thermostat must be wired in accordance with the wiring diagram
below:
Salus Controls plc
Unit 1, Dodworth Business Park, Whinby Road, Dodworth, Barnsley S75 3SP
Regional offices, England & Scotland.
Web: www.salus-tech.com Email: sales@salus-tech.com
Maintaining a policy of continual product development Salus Controls plc. reserve the right to change
specification, design and materials of products listed in this brochure without prior notice.
Manual Issue No. IM-ERT30-003
for under floor Heating Model No:- ERT30
ON OFF
E T R 0 3 2 0 3 V
Terminal
Lead for temperature reduction
(timer)
N
Neutral conductor supply lead
L
230 V power supply lead
Switch output (valve actuator,
terminal strip)
E T R 0 3 4 2 V e V
Terminal
24 V power supply
L2
NC
Circuit closed once temperature
Centre-point connection
Circuit open once temperature
NO
reached
24 V power supply
L1
1
e.g. cooling unit
2
e.g. heating unit
T c e n h c i l a a d a t 2 0 3
Product no.:
surface mounted 112.300
flush mounted 112.306
Operating voltage: 230V AC / 50Hz
Electronic switch output
M x a s . w c t i i h g n c r u e r : t n
Max. no. of
valve actuators:
y H t s r e s e s i
P o r e t i t c n o l c s a : s
D m i e s n o i s n / W / H : D
e T m e p a r u t e r a r g n : e
S o t a r e g e t m e p a r u t : e r
A
Dimensions
A - 75 mm
B - 75 mm
C - 30.5 mm
Email: technical@salus-tech.com
M d o l e
i s r n o
1
2
V 4 2 V
112.301
-
24V AC / 50 Hz
0 1 3 ( A )
5 Stück · 3W
, 0 K 5
P I 0 3
5 7 m m / 5 7 m m / 0 3 5 , m m
o o
10 C - 35 C
o o
- 0 2 C - 60 C
A
B
Sales: +44 (0) 8700 766900
Technical: +44 (0) 8700 766902