sauter equitherm EQJW245 Quick Reference

SAUTER equitherm ®
Electronic heating controller
Contents:

1. General

2. Indicators and operating controls

3. Putting into service (by a technician)
4. How to operate (user)
1 General
Congratulations! You have chosen a Sauter controller – a quality
product from one of the leading manufacturers of control products
for the HVAC industry. Your heating controller combines simplicity of
operation with ultra-modern microprocessor technology. Follow these
operating instructions so that you can adapt the device to your needs.
1.1 Key
Factory setting
BW Domestic water
CP Communication parameters
HK Heating circuit
Imp Impulse
KW Chilled water
LP Charge pump
prim. Primary side
SP SERVice parameters
Flashing value in display denotes:
• special/unusual status
• value that can be changed
2 Indicators and operating controls
2.1 Front view of EQJW245
1
PROG
1 1 2
2
PROG
LOG
PROG
PROG
1x
1 Rotary switch
2 Display
3 Input Knob
4 ESC key
2.2 LCD
0 1 2 3 4 5 6 7 8.... ......2 1 22 23 24
Times for normal mode on the current day
Time, date, setpoints, actual values etc.
Automatic mode according to weekly and calendar
switching programme. Flashing: limited/unlimited
temperature change
Controller operating in normal mode
Controller operating in reduced mode
Controller operating in standby mode.
Flashing: frost protection is active
Sensor is faulty
Heating pump for HC1, HC2 is switched on
Control unit 1, 2 is opened ( ) or closed ( )
,
Setpoint temperature.
Flashing: actual temperature is displayed
www.sauter-controls.com
sek. Secondary side
T Outside temperature
A
T Boiler temperature
B
T Flow temperature
F
T Room temperature
R
T Return temperature
RF
T
Temperature of
W
domestic water
UP Heating pump
equitherm EQJW245
®
2
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
°C
h
sec
STOP
1
1
OK
ESC
en Quick reference
Flow temperature
Outside temperature
Room temperature
Return temperature
Charge temperature of domestic water
Domestic-water temperature 1
Domestic-water temperature 2
Display refers to HC1 (–) or HC2 (=)
,
Controller is in summer mode
Calendar Switching Programme is currently active
Domestic water.
Flashing: increased temperature
Charge pump is switched on
An error has occurred
2.3 Rotary switch for heating circuit 1 (top)
Operating modes
Automatic mode as per
switching programme
2
Controller is continuously in
normal mode
Controller is continuously in
reduced mode
Controller is continuously in
standby mode
3
Access to manual mode for
heating
4
2.4 Rotary switch for heating circuit 2 (middle)
Operating modes
Automatic mode as per
switching programme
Controller is continuously in
normal mode
Controller is continuously in
reduced mode
Controller is continuously in
standby mode
Access to manual mode for
heating
1 Normal mode corresponds to nominal mode as per EN12098-1
2 Standby mode means that the heating is switched off and the anti-
frost function is active.
Inputs
Setpoint adjustment,
normal mode
Setpoint adjustment,
reduced mode
Enter weekly and calendar
programme for heating
(Un)limited temperature
change
Access to SERVice,
commissioning and
communication level
Inputs
Setpoint adjustment, normal
mode
Setpoint adjustment,
1 reduced mode
Enter weekly and calendar
programme for heating
(Un)limited temperature
2
change
Access to logbook
EQJW245
1/6