HRX-OM-W058
Chapter 2 Name and Function of Parts
HRS-R Series
2.4
Operation display panel
2-5
2.4 Operation display panel
The operation panel on the front of the product controls the basic operation
of the product.
Fig. 2-3 Operation display panel
Table 2-3 Operation display panel
No
Description
Function
Reference
page
1
Digital display
(7 segment,
4 digits)
PV
Displays the temperature and pressure of the circulating
fluid and alarm codes.
SV
Displays the set temperature of the circulating fluid and
the set values of other menus.
2
[
o
C
o
F
] lamp
Displays the unit of display temperature (
o
C
or
o
F).
3
[MPa PSI] lamp
Displays the unit of display pressure (MPa or PSI).
4
[REMOTE] lamp
Lights up during remote operation by communication.
5
[RUN] lamp
・
Lights up when the product is started and in operation. Goes off
when the product is stopped.
・
Flashes during stand-by for stop (Interval 0.5 seconds).
・
Flashes during independent operation of the pump (Interval
0.3 seconds).
・
Flashes during anti-freezing function (At standby: Interval 2
seconds, At operation: Interval 0.3 seconds).
6
[ALARM] lamp
Flashes with buzzer when alarm occurs (Interval 0.3 seconds).
7
[ ] lamp
Lights up when the tank level indicator falls below the LOW level.
8
[
] lamp
Lights up while the run timer or stop timer function is working.
9
[
] lamp
Lights up when the product is in automatic operation.
10
[RUN/STOP] key
Makes the product start or stop.
11
[MENU] key
Shifts the main menu (display screen of temperature) the other
menu (entry of set values and monitor screen).
12
[SEL] key
Changes the item in menu and enters the set value.
13
[▼] key
Decreases the set value.
-
14
[▲] key
Increases the set value.
15
[PUMP] key
When the [MENU] and [RUN/STOP] keys are held down
simultaneously, the pump starts running independently.
16
[RESET] key
Keep the [▼] and [▲] keys pressed down simultaneously. This will
stop the alarm buzzer and reset the [ALARM] lamp.
