Weil-McLain ULTRA 230 - Manual (Page 57)

57
Part number 550-100-029/0810
GAS
-
FIRED WATER BOILER SERIES 1 & 2
— Control supplement & Service guide
Parameter reference table
(continued)
Para. Name Range
Boiler display
Description Display position:
1st 2nd 3rd 4th
37
ST
DIGIT
PWM-level
CH-pump
1 to 4
Initial reading:
s
P . 3 7
37
ND
DIGIT
1 to 4
After 2 to 3 seconds:
"LANK "LANK
Digit
1
Digit
2
38 T hold
32
FEATURE
32 to 176
Initial reading:
s
OUTLET HOLD
WITHOUT HOLD 
P . 3 8
After 2 to 3 seconds:
"LANK "LANK Setting
39
T6 top
2nd CH
circuit
50 to 176
Initial reading:
s
s
CIRCUIT TOP
P . 3 9
After 2 to 3 seconds:
"LANK "LANK Setting
40
T6 foot
2nd CH
circuit
50 to 94
Initial reading:
s
s
CIRCUIT FOOT
P . 4 0
After 2 to 3 seconds:
"LANK "LANK Setting
41
T6 differential
2nd CH
circuit
2 to 54
Initial reading:
s
s DIFFERENTIAL
WHEN
DIFFERENTIAL
P . 4 1
After 2 to 3 seconds:
"LANK "LANK Setting
See Figure 25, page 42 for procedure to access Parameter settings.