172-65627M-09 (SQ10) 18 Oct 2021
14
Main Screen
5
8
7
6
4
1
2
3
No.
Name
Description
1
Operating
Status
Displays the current operating status
(STOP /
STARTING UP… / RUN (AUTO) / STOPPING…).
・
: Operation is stopped. During this state, no
heating will be performed.
・
: When the flow sensor detects water flow, the
unit switches to automatic operation.
・
: The control valve opens and heating is carried
out.
・
: When the internal cooling circuit is in action, after
the STOP button has been touched.
2
Set Temperature
Input Location
Displayed in green when the temperature setting value is
input via external input (4 to 20 mA).
・
When the target value is input and determined via the control
panel, the text is displayed in gray.
3
OUTLET TEMP
Displays the current water temperature at the outlet of the
unit.
・
The temperature is measured near the hot water outlet of the unit.
4
VALVE
OPENING
Displays the current valve opening of the control valve.
・
Displayed range: 0 to 100%
(The value is not displayed unless Display Valve Opening is ON on
the parameter settings screen, as described in a later section.)
5
Current Time
Displays the current time.
・
Display format: YY/MM/DD hh:mm
(The current time can be adjusted on the parameter setting
screen, as described in a later section.)
6
Alarm Log
Displays the alarm log screen.
・
Alarm log (including active alarms) can be confirmed and
deleted (only alarms that have been resolved can be deleted).
(For more details, refer to the "Alarm log screen" section.)
7
Parameter
Settings
Displays the parameter setting(s) screen.
・
Alarm conditions, control PID value, time, etc. can be changed
or set.
(For more details, refer to the "Alarm log screen" section.)
8
Contact
Information
Displays contact information for TLV.
・
Contact information for TLV or TLV service and technical
assistance personnel and the serial no. for the unit can be
confirmed.