Weil-McLain ULTRA ULTRA-105 Service Manual page 53

-
GAS FIRED WATER BOILER SERIES
See Figure 25, page 42 for procedure to access Parameter settings.
Parameter reference table
Para. Name Range
CH
modulation
23
differential 0 to 18
OFF
(see page 49)
DHW
modulation
24
differential -2 to 54
ON
(see page 49)
DHW
modulation
25
differential -6 to 54
OFF
(see page 49)
DHW
detection
26
-6 to 54
differential
ON
DHW
detection
27
-6 to 54
differential
OFF
0 to 30
Blocking
28
time
CH
Part number 550-100-029/0810
1 & 2
Boiler display
Display position:
1st 2nd 3rd 4th
Initial reading:
P . 2 3
After 2 to 3 seconds:
Setting
Initial reading:
P . 2 4
After 2 to 3 seconds:
Setting
Initial reading:
P . 2 5
After 2 to 3 seconds:
Setting
Initial reading:
P . 2 6
After 2 to 3 seconds:
Setting
Initial reading:
P . 2 7
After 2 to 3 seconds:
Setting
Initial reading:
P . 2 8
After 2 to 3 seconds:
Setting
—
(continued)
Description
53