Lochinvar LCGHP, User Manual

Page: 16 / 68

4 NORMAL OPERATION
16
Description of menu of S61 controller
The parameters and settings of the appliance are grouped in the menus shown on the controller’s display:
Table 4�1 – Menu of electronic board
MENU MENU DESCRIPTION THE DISPLAY SHOWS
Menu 0 VIEW DATA (TEMPERATURE, VOLTAGE, PUMP SPEED, ECC...) 0.
Menu 1 VIEW ALL PARAMETERS 1.
Menu 2 ENTER ACTIONS 2.
Menu 3 USER SETTINGS (THERMOSTATING, SET-POINT, T. DIFFERENTIAL) 3.
Menu 4 INSTALLATION TECHNICIAN SETTINGS 4.
Menu 5 TECHNICAL ASSISTANCE CENTRE SETTINGS 5.
Menu 6 TECHNICAL ASSISTANCE CENTRE SETTINGS (MACHINE TYPE) 6.
Menu 7 VIEW DIGITAL IMPUTS 7.
Menu 8 (MENU NOT USED) 8.
E EXIT MENU E.
Menu list of electronic board
Menus 0, 1 and 7 are Viewing Menus: they only allow the information displayed to be read, and not modified. Menu 0 shows the ap-
pliance operating data in real time. Menu 1 shows the parameters that characterise the operation of the appliance and their current
values.
Menu 7 is to be used ONLY by the TAC.
To view the information contained in these menus, proceed as illustrated in the paragraph "How to acces the menus".
Menu 2 is an execution menu: it allows the operations of resetting the flame control unit, error reset and the manual defrosting com-
mand to be performed.
To perform these procedures, see Paragraph 4.3 p. 17.
Menu 3 is a Settings Menu: it allows the values displayed to be set. The correct values of these parameters, for optimum performance
of the appliance with the plant to be used connected, have already been set during installation. To set new values for the parameters,
see Paragraph 5.8 p. 27.
Menus 4, 5, 6 and 7 exclusively concern the installation technician and Technical Assistance.
Menu 8 may currently be selected, but not used.
Display and knob
The controller’s display can be viewed through the glass of the viewing aperture on the front panel of the appliance.
Upon activation, all of the LEDs of the display light up for approximately three seconds, and then the name of the board, S61, ap-
pears. After around 15 seconds after the appliance powers up, the appliance starts running if the required consent is available.
During correct operation the display shows, alternately, the following information: outlet water temperature, inlet water tempera-
ture, and the difference between the two water temperatures (see Table 4.2 p. 16).
Table 4�2 – Operating information
OPERATING MODE: HEATING
PARAMETER
THE DISPLAY SHOWS
Hot outlet water temperature 50.0
Hot inlet water temperature 40.0
Differential Temperature (outlet - inlet) 10.0
Example of data visualised on display: water temperature and differential
If there are operating problems, the display shows, sequentially, the operating codes corresponding to the problem detected. A list
of these codes with their description and the procedure to follow to bring the appliance back to correct operation is provided in
Paragraph 8.1 p. 60.
The knob is used to display or set parameters, or to execute actions/commands (e.g.: a function or reset), when permitted.
HOW TO ACCESS THE MENUS
▶
To use the knob with the special key supplied with the appliance:
You will need: the appliance's electrical power switches set to "ON"; the controller's display sequentially shows the operat-
ing data (temperature, delta T) regarding the current mode (e.g.: heating) and any active operating codes ("u/E...").
1. Remove the front panel by removing the fixing screws.
2. Remove the cover of the electrical panel to access the knob.
3. Use the special key through the hole to operate the knob and access the controller’s menus and parameters.
4. To display the menus just press the knob once: the display shows the first menu: "0." (= menu 0).
5. The display shows “0.”. To display the other menus, turn the knob clockwise; The display will read, in order: "1.", "2.", "3.", "4.", "5.",
"6.", "7.", "8." and "E" (see Table 4.1 p. 16).
6. To display the parameters in a given menu (for example, menu 0), turn the knob until it displays the menu in question (in the
example: "0.") and press the knob: the display will show the first of the menu’s parameters, in this example "0.0" or "0.40" (=
menu 0, parameter "0" or "40").