Slant/Fin CHS-399 - Manual (Page 5)

CHS Series Controller and Display
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Slant Fin Corp.
3
Table 1-1 Home Screen & Key Pad Description (Reference Figure 1-2)
Item Name Description
1 Back button Returns the display to the previous screen in the menu structure.
2 i-Information button
Displays the Main Menu screen, where all control settings, diagnostics, etc are accessed
via a series of sub-menus.
3 Home button Returns the display to the Home Screen (screen illustrated in Figure 1-2).
4
Directional buttons
(horizontal) Left and right buttons (◄ ►) allow navigation within some display screens. Also
provide access, via the Home Screen, to controller input and output diagnostic screens.
5 OK button Used to select highlighted display items, necessary for confirming settings.
6
Direction buttons
(vertical)
Up and down buttons (▲ ▼) allow navigation within display screens.
7 Boiler summary
Provides the status of five (5) boiler readings (i.e. sensor inputs or boiler operating
conditions). From a list of 15 readings, the user can select which 5 will be displayed
/summarized on the Home Screen, see Section 2.6 Display Setup
8 Boiler name
Provides the name of the boiler, i.e. 110MBH; user can choose to change the name, see
Section 2.4.4.1 System ID & Access.
9 State
Indicates the current state of burner operation:

Initiate

Standby delay

Standby

Safe startup

Prepurge - Measured purge time

Prepurge - Drive to lightoff rate

Pre ignition test

Direct Burner ignition

Run

Postpurge

Lockout
10 Demand
Indicates the current heat demand source:

OFF (no heat demand)

CH (Central Heat demand – CH1)

LL [ Lead Lag heat demand – CH2 (LL)

DHW (Domestic Hot Water demand)

CH frost protection

DHW frost protection

LL frost protection
11 Access Status
Indicates the present level of access:

User (indicates that no password has been entered – adjustment of certain settings
will be blocked.
 Installer (indicates that the installer password, “sola” has been entered, allowing
adjustment of all field adjustable parameters).
12 Lockout/alert/hold Indicates the most recent Alert, or a current Hold or Lockout.
13 Clear
When selected, clears the most recent Alert from the Home Screen; also resets and clears
a current Lockout.