Explanation Of The Function Buttons - Rinnai E75CRN Installation & Servicing Instructions Manual

8.1 Explanation of the function buttons

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NOTICE
!
CAUTION
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NOTICE
i
NOTICE
When the pump is switched
on continuously it can lead
to undesired heating up of
the central heating system
during the summer.
50
2
Only licensed professionals who are trained for servicing these boilers are
permitted to make alterations in the controller to calibrate the boiler to the
installation.
1. Display. See previous page for further information.
2. ON-OFF Switch (Placed separately next to the boiler)
This switch turns the power supply to the boiler on or off.
Only turn the boiler off using this switch, when the burner is off.
3. Central Heating program button.
Switching the Central Heating on or off (LED on/off);
4. Hot Water program button.
Switching the Domestic Hot Water (DHW) facility on or off (LED on/off);
5. Pump program button.
adjusts the pump to continuous water circulation in the central heating system (LED
on), or according to the pump overrun times on the relevant programs (LED off);
If the boiler is installed in a zoned system and the constant recirculation function
(5 pump program button) is activated then a differential pressure bypass valve
or a low loss header plumbing kit is required to be installed.
6 Mode-button.
After briefly pressing, a selection of the data chapters can be retrieved. After
pressing for 5 seconds it is possible to enter the code as described in chapter 11.3;
7 Step-button.
After briefly pressing, the water pressure can be retrieved and pages per chapter
can be retrieved.
After pressing for 5 seconds it switches from the Good-state to technical read out
and vice versa;
8 Reset-button.
After briefly pressing, for:
- unlocking errors;
- ending the access code;
After pressing for 5 seconds an operating stop is made, for example, for activating
the automatic venting program.
Some buttons have other functions.These functions are only active according to the
procedure described in chapter 11, adjustment has to be changed or data must be
retreived from the CMS. The other functions are:
3. Central Heating program button :
4. Hot Water program button:
5. Pump program button :
7. Step-button:
1
3
4
5
Boiler control panel
+
function;
-
function;
store-function, which means that by means
of this button a modified setting is confirmed;
scrolling in a data chapter.
7
6
8
figure 24