Pentair HAFFMANS RPU-352, Инструкция по эксплуатации, Страница: 39 / 112

HAFFMANS RPU 352, RPU 353, RPC 80 RPC 50
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RPU 352, RPU 353, RPC 80, RPC 50 Page 39 of 112
13.6 ACTIVE CHANNELS
You can make the channels active or inactive using this screen. Inactive
channels do not use up any storage memory and so longer recordings can be
made if required.
If you make a channel inactive in this way it will remain inactive for all recordings
until you change the setting again using the key plug. To make a temperature
channel temporarily inactive you can also use a dummy plug. (A special plug
marked with a ‘T’.) All temperature probe sockets must be occupied before you
start a recording run, even for inactive channels.
If you wish to change the active state of one of the channels then activate the
lower right (+/-) switch otherwise move on by activating the OK switch. On this
screen a tick (
) represents an active channel and a cross (X) an inactive one.
A flashing indicator appears under the channel you are changing. When the first
channel is correct use the top right (
) switch to move to the next. You can
leave a channel as it is by moving straight to the next one.
When you have moved past the third channel position the screen changes and
you have the chance to make more changes by activating the (+/-) switch again.
If the channel states are now correct you must save the changes you have made
by activating the OK switch.
13.7 PU CUT-OFF TEMPERATURE
You can change the cut-off temperature in steps of 0.1°C.
13.8 PU CALCULATION – BASE
You can select a Base value of 60, 70 or 80°C.
13.9 PU CALCULATION – Z
You can select a Z value of 6.94
*
, 7 or 10°C.
If you set a PU definition other than the standard for beer (i.e. other than Base =
60°C and Z = 7°C) the results display will show the calculation you have chosen.
*Note that 6.94°C is equivalent to a value of 12.5°F: often used in American textbooks.
13.10 PU CALCULATION – FAHRENHEIT
If you have selected to display in °F then the defa ult PU definition will be Base =
140°F and Z = 12.5°F. The cut-off can be changed i n steps of 0.1°F. You can
select a Base value of 140, 160 or 180°F and a Z va lue of 12.5 or 18°F.