Operation; Operating Concept; Installer Level Overview; Calling Up The Installer Level - Vaillant ecoFIT sustain 615 Installation And Maintenance Instructions Manual

6 Operation

3. Connect the individual components depending on the
installation type.
Conditions: If installing a multi-circuit controller.
▶
Change the pump's operating mode d.18 from Eco (in-
termittently operating pump) to Comfort (continuously
operating pump).
Conditions: When connecting a control (230 V).
L
▶
Connect the control to the main plug.
▶
Remove the bridge from the plug 24V=RT.
4. Close the electronics box.
6 Operation
6.1

Operating concept

The operating concept and the display and setting facilities
of the operator level are described in the operating instruc-
tions.
An overview of the display and setting options in the installer
level can be found in the section "Overview of the installer
level". (→ Page 14)
6.2

Installer level overview

Code
D.---
--/--
14
X1
N
RT
230V~
S.31
PF
P.--
D F
DP
6.3

Calling up the installer level

1. Only call up the installer level if you are a competent
person.
2.
Press and ("i") at the same time.
◁
S.xx appears in the display (current unit status).
3.
Press to access the installer level.
◁
Code and -- appear in the display.
4.
Set the value 17 (code) and confirm by pressing
5.
Press to access the check programmes (P) and the
fault codes (F) and to return to the diagnostics codes
(D).
6.
Use or to set the required value and confirm by
pressing .
7.
Confirm by pressing ( ).
8.
Press to cancel a setting or exit the installer level.
6.4

Live Monitor (status codes)

Menu → Live monitor
Status codes in the display provide information on the pro-
duct's current operating status.
Status codes – Overview (→ Page 31)
6.5

Using check programmes

Call up the installer level + 1 x
Display Meaning
P.00 Purging check programme:
The internal pump is cyclically actuated.
The heating circuit and the hot water circuit are
purged via the automatic air vent (the cap of the
automatic air vent must be released).
1 x : Start heating circuit purging
( →
2 x
purging
→ ): Restart heating circuit purging
3 x (
1 x (Cancel): End purge programme
Note
The purge programme runs for 7.5 min per circuit
and then terminates.
Purging the heating circuit:
Prioritising diverter valve in heating position, ac-
tuation of internal pump for 9 cycles: 30 sec. on,
20 sec. off. Display: Active heating circuit.
Purging the hot water circuit:
After the above-mentioned cycles have run or the
right-hand selection button has been pressed again:
Prioritising diverter valve in the domestic hot water
position, actuation of the internal pump as above.
Display: Active hot water circuit.
P.01 Maximum load check programme:
After successful ignition, the product is operated at
maximum heat input.
P.02 Minimum load check programme:
After successful ignition, the product is operated at
minimum heat input.
P.06 Filling mode check programme:
The prioritising diverter valve is moved to the mid-
position. The burner and pump are switched off (to
fill or drain the product).
Installation and maintenance instructions ecoFIT sustain 0020277252_00
): Start domestic hot water circuit
.