Table 2. Robertshaw Control to Honeywell S8910U Cross Reference.
S8910U
Remove
Black
Jumper
Model Numbers
S8910U
—
Specifications
HS780-17NL-104A
No
HS780-17NL-108A
No
HS780-17NL-304A
No
HS780-17NL-308A
No
HS780-17NR-104A
Yes
HS780-17NR-306A
Yes
HS780-17NR-308A
Yes
HS780-34NL-108A
No
HS780-34NL-304A
No
HS780-34NL-306A
No
HS780-34NL-308A
No
HS780-34NL-312A
No
HS780-34NR-104A
Yes
HS780-34NR-306A
Yes
HS780-34NR-308A
Yes
HS780-34NR-312A
Yes
HS780-34PL-308A
No
a
The S8910U and the original control lockout times are different. The S8910U lockout time is within the design tolerance lockout
time of the original control.
b
The lockout time of the S8910U is shorter than the original control. Be sure to observe the appliance operation under a variety of
input conditions to assure reliable operation.
Local (L) or
Lockout
Remote (R)
Time
Sensing
(sec)
Local or
4
Remote
7
L
4
L
a
8
L
4
L
a
8
R
4
R
a
6
R
a
8
L
a
8
L
4
L
a
6
L
a
8
L
b
12
R
4
R
a
6
R
a
8
R
b
12
L
a
8
Igniter
Ignition
PrePurge
Warmup
Trials
(sec)
(sec)
1
32
3
1
3
1
0
1
0
3
0
3
0
1
0
3
0
3
0
1
0
3
0
3
0
3
0
3
0
1
0
3
0
3
0
3
0
3
34
5
Between
Trial Purge
(sec)
34
NA
96
NA
96
17
NA
17
NA
17
17
17
17
17
NA
17
17
17
17
34
NA
34
34
34
34
34
34
34
34
34
NA
34
34
34
34
34
34
34
34
S8910U3000
34-00008EFS—01