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110328-02 - 6/22
ALTA
Installation, Operating & Service Instructions
15
Operation
(continued)
Operating Mode
Basic boiler status is displayed and DHW setpoint
may be adjusted.
Figure 15-3: Viewing boiler status
Press "
"
or "
" buttons to cycle through Status List.
Each item will alternate between status code and its
corresponding value.
Table 15-4: Status List
Display
Description
StA
Status (see Table 15-5)
SP
Active, Operating Setpoint
bt
Boiler Supply Temperature
rt
Boiler Return Temperature
Ft
Flue Temperature
ot
Outdoor Air Temperature*
ht
Header* Temperature
Fr
Demanded Firing Rate
rUn
Run Time Hours
CYC
Boiler Cycles
H
##
Hold or Warning Condition
E
##
Manual Reset Lockout
* Not available with local user display
The
STA
(status) display code contains below listed
values.
Table 15-5 Managing of Status Numbers
Display Description (see Section 18
Troubleshooting for explanation)
0
Self Check
1
Standby
2
Waiting For Air Pressure Switch To Close
3
Prepurge
4
Burner Ignition
5
Calibration
6
Low Fire Hold
7
Rate Limit
8
Run (Modulate)
9
Postpurge
10
Pump Air Elimination (2 minutes)
11
Standby Delay
12
Lockout
13
Boiler On/Off Switch (
A01
)
14
Warm Weather Shutdown*
*
+
–
* Not available with local user display.
+
–
Figure 15-6: Adjusting DHW Setpoint
Press "
+
" or "
-
" buttons to immediately change the
DHW setpoint. Faucet and DHW Setpoint flash while
editing.
reset
reset
