Buhnen HB 710 - Settings on the Temperature Regulator; Setting the Working Temperature; Reading out and Setting the Control Parameters

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3.3 Settings on the temperature regulator
3.3.1 Setting the working temperature
1.TosettheworkingtemperaturepresstheSetbutton.Thecurrentworkingtemperature
isdisplayed.
2. HoldtheSetbuttondown.SelecttherequiredworkingtemperatureusingtheUp/Down
buttons.
BrieypressingtheUporDownbuttonchangestheworkingtemperatureinstepsof
1°F/1°Cperbutton-press.Pressingthebuttonforlongerchangestheworkingtem-
peraturecontinuously.
Thenewsettingissavedautomaticallywhenthebuttonsarereleased.
3.3.2 Reading out and setting the control parameters
PressingtheUpandDownbuttonssimultaneouslyforatleast4sbringsupaparameter
list.Someparameterscanbeset,othersonlyreadout.Thetablebelowsummarisesthe
parameters:
Pa-
ram-
eter
Function Settable Setting
range
Standard
value
Customer
value
P1 Setpoint lowering
Ifthedeviceisnotusedforsometime,the
temperatureregulatorautomaticallyswitchesto
operationatloweredtemperature.Atemperature
isadjustedtowhichisbelowthesetworking
temperaturebythevaluesethere.
✓
1…180°F
1…100°C
72°F
40°C
P2 Waiting time before setpoint lowering
Ifthedeviceisnotusedforlongerthanthetime
sethere,temperatureloweringstarts.
✓
1…999min 30min
P11 Hours-run counter
Thehundreds,tensandunitsdigitsaredisplayed.
-
P12 Hours-run counter
Thethousandsdigitsaredisplayed.
-
P13 Number of actuations
Thehundreds,tensandunitsdigitsaredisplayed.
-
P14 Number of actuations
Thethousandsdigitsaredisplayed.
-
P19 Keylock
AdjustmentofworkingtemperaturewiththeUp/
Downbuttonscanbelockedhere.
Ifanattemptismadetoadjusttheworkingtem-
peraturedespitethekeylock,thedisplayshows
“--”
0:notlocked
1:locked
✓
0or1 0
YoucanbrowseupwardsthroughtheparameterlistwiththeUpbuttonanddownwards
withtheDownbutton.Pressthe“Set”buttontodisplaythevalueassignedtoaparameter.
YoucanadjustthevalueassignedtoasettableparameterbyadditionallypressingtheUp/
Downbuttons.
Thediagrambelowshowstheprocedureschematically:
Starting