OUMAN H23 User Manual

27
Input Alarm text
Min
alarm
limit
Max
alarm
limit
Cause of the alarm
Entry
delay
Exit
delay
Alarm
group
Alarm
priority
M1 M1 Alarm X X Outdoor temperature sensor or bus 1 min 5 s 1 1
M2 M2 Alarm X X H1 Supply water water 1 min 5 s 1 1
M3 M3 Alarm/
Freezing
risk
X X H1 Return water. The freezing risk alarm and return
water compensation function are activated on the
low limit.
1 min 5 s 1 1
M4 M4 Alarm/
Freezing
risk
X X H1 Room temp. sensor.
The freezing risk alarm is activated on the low limit.
1 min 5 s 1 1
M5 NTC-10 X X H2 Supply water sensor or free temperature meas-
urement
1 min 5 s 1 1
M6 M6 Alarm/
Freezing
risk
X X H2 Return water sensor or free temperature meas-
urement.
The freezing risk alarm and return water compensa-
tion function are activated on the low limit.
1 min 5 s 1 1
M7 M7 Alarm/
Freezing
risk
X X H2 Room temperature sensor or free temperature
meas.
The freezing risk alarm is activated on the room
temp. meas.
1 min 5 s 1 1
M8 M8 Alarm X X DHW Supply water sensor 1 min 5 s 1 1
M9 M9 Alarm X X DHW Circulation water sensor 1 min 5 s 1 1
D1 D1 Alarm Digital input 1 switch alarm
D2 D2 Alarm Digital input 2 switch alarm
Input
Sensor
type
Sensor Alarm text Operation when a sensor is defective
Entry
delay
Exit
delay
Alarm
group
Alarm
priority
M1 NTC-10 TMO Sensor fault M1 The control system uses the value of the
outdoortemp. at 0 °C.
10 s 5 s 1 2
M2 NTC-10 TMW/
TMS
Sensor fault M2 H1 Valve remains in the position it was in
before the sensor defect.
10 s 5 s 1 2
M3 NTC-10 TMW/
TMS
Sensor fault M3 H1 Return water control is disabled. 10 s 5 s 1 2
M4 NTC-10 TMR Sensor fault M4 H1 Room compensation is taken away of
use.
10 s 5 s 1 2
M5 NTC-10 TMW/
TMS
Sensor fault M5 Valve remains in the position it was in
before the sensor defect.
10 s 5 s 1 2
M6 NTC-10 TMW/
TMS
Sensor fault M6 H2 Return water control is disabled. 10 s 5 s 1 2
M7 NTC-10 TMR Sensor fault M7 H2 Room compensation is taken away
of use.
10 s 5 s 1 2
M8 NTC-10 TMW/
TMS
Sensor fault M8 Valve is closed. (DHW Supply water). 10 s 5 s 1 2
M9 NTC-10 TMW/
TMS
Sensor fault M9 Does not aect regulation. (DHW CIrcula-
tion).
10 s 5 s 1 2
ADDITIONAL INFORMATION OF THE ALARMS
Sensor fault alarms and functionality in malfunction cases.
General alarms
Deviation alarms
GSM-modem fault alarm
Sensor fault alarms, A (Alarm)
Fixed delays
Delays setting range: 0...120 min
Measurements 5, 6 and 7 can be configured as informative measurements.
Sensor fault alarms are not available for informative measurements.
If the home/away –switch is not connected into digital inputs 1 and 2, the contact alarm can be taken from the inputs. You can select
in start-up, if the alarm comes from normally open (NO) contact or from NC (normally closed) contact. The alarm delay can be set. As a
default the delay is 1 min.
The deviation alarm is used in H1 and H2 Supply water. The entry delay is 10 sec
and exit delay is 5 sec.
The alarm entry delay is 600 sec and exit delay is 5 sec.

OUMAN H23 Specifications

General

Brand	OUMAN
Model	H23
Category	Controller
Language	English