106636-02 - 12/19
24
X-2
Installation, Operating & Service Manual
10
Operation
(continued)
Figure 10-4: Boiler Display
D.
Viewing the Operating Mode Options
In operating mode, user may view (but
not change) boiler operating status, settings and
troubleshooting information.
For example, when “
I
” key is pressed on control
until “
bt
” is displayed, it will then flash three digit
number (such as “180”) followed by “
F
” (or “
C
”).
This indicates boiler water temperature is 180°F.
Other operating parameters display information in
similar fashion.
Unit Display
OR
Sample
Display
1 sec
1 sec
1 sec
In order to view an instantaneous value, [i.e.
instantaneous flame current.] User can press and
hold either Up
or Down
key in operating mode
E. Changing the Adjustable Parameters
Adjustable parameters are listed in Table 10-3.
1. Access adjustable parameters by pressing
and holding the Up
, Down
, and “
I
” keys
simultaneously for three (3) seconds.
2. Press
"
I
"
key to display available adjustable
parameters. Select an optio
n.
Operating Mode Parameters
StA
Status (see Status Numbers)
bt
Boiler Temperature
SP
Operating Setpoint
HL
High Limit Setpoint
HdF
High Limit Differential Setpoint
tt
Heat Request Status
dh
DHW Heat Request Status
FLA
Flame Current
run
Run Time Hours
CYC
Boiler Cycles
Err
Error
Press "I" key on control
to change from one
parameter to next.
Each setting will
alternate between
display code and
value.
Status (
StA
) Codes
1 Standby
4 Prepurge
6 Spark
7 Flame Proving
8 Running
10 Retry/Recycle Delay
13 Soft Lockout
14 Hard Lockout
15 Waiting for Limit to Close
16 Flame Present Out of Sequence
17 Self Test
18 Waiting for Damper to Open
19 Waiting for Damper to Close
20 Damper Failure to Open
21 Damper Failure to Close
Adjustable Parameters
Default
Range
Description
HL_
180oF
140-220°F
Adjust High Limit Setting
dF_
15oF
10-30°F
Adjust High Limit Differential
Or_
0 min
0-10 minutes Circulator Overrun Time
PP_
2 min
2-20 minutes Circulator Pre-purge Time
St_
140oF
140-180°F
Start Temperature
Pt_
on
On or off
Priority time
dh_
dh
dh or tt2
DH Terminal Function
rst
F
Reset Lockout
f-C
F
F or C
Select degrees F or C Mode
bac
Back to Operating Mode
3. Press Up
and Down
keys to adjust
displayed item to desired value.
4. To return to normal operating screen from
adjustable parameters, when
"
bAc
”
option is
displayed, press either Up
or
Down
key.
After five (5) minutes control will automatically
return to operating mode.
Table 10-3
