Weil-McLain ULTRA ULTRA-105 Service Manual page 43

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GAS FIRED WATER BOILER SERIES
See Figure 25, page 42 for procedure to access Parameter settings.
Default parameter settings —
Par.
Parameter description
No.
1
T3set DHW
2 DHW System
3 CH System
4 T1 Top CH-mode
5 T1 Foot CH-mode
6 T4 minimum
7 T4 maximum
8
T4 frost protection
9
T4 correction
10
T blocking
11
Booster time
12
T parallel shift
13 Maximum fanspeed CH
15 Maximum fanspeed DHW
17 Minimum fanspeed
19 Ignition fanspeed
20 CH postpump time
21
DHW postpump time
22
CH modulation hysteresis on
23
CH modulation hysteresis off
24
DHW modulation hysteresis on
25
DHW modulation hysteresis off
26 DHW detection hysteresis on
27 DHW detection hysteresis off
28 CH blocking time
29 DHW blocking time
30 DHW -> CH blocking time
31
Modulate back difference T1 - T2
32
RMCI Address
33
Tplus: Setvalue additional for DHW
34
2nd CH-circuit (1st digit)
34
CH type (2nd digit)
35 DHW 3wayvalve or pump (1st digit)
35 DHW-type (2nd digit)
36 Manual fanspeed
37 PWM-pump level (1st digit)
37 PWM-pump level (2nd digit)
38
Tset hold boiler warm
39
Ttop for 2nd CH circuit
40
Tfoot for 2nd CH circuit
41
Thysterese for 2nd CH circuit
42
Pump settings for CH and DHW
42 Minimum Off Cycle
Part number 550-100-029/0810
1 & 2
change any parameter unless the application requires special settings
Ultra-80 thru -230
Standard (to 5500 feet)
140
1
1
190
70
32
70
-22
0
70
10
0
52(00)
Display shows
52(00)
value in 100's
Example:
13(00)
52 = 5200 rpm
27(00)
0
03
8
4
8
4
8
8
06
0
0
44
0
50
00
13
-1
41
32
94
50
36
21
—
High altitude Standard (to 5500 feet)
140
1
1
190
70
32
70
-22
0
70
10
0
52(00)
52(00)
20(00)
35(00)
0
03
8
4
8
4
8
8
06
0
0
44
0
50
00
13
-1
41
32
94
50
36
21
Ultra-310 ONLY
High altitude
140 140
1 1
1 1
190 190
70 70
32 32
70 70
-22 -22
0 0
70 70
10 10
0 0
58(00) 58(00)
58(00) 58(00)
14(00) 20(00)
23(00) 32(00)
0 0
03 03
8 8
4 4
8 8
4 4
8 8
8 8
06 06
0 0
0 0
44 44
0 0
50 50
00 00
13 13
-1 -1
41 41
32 32
94 94
50 50
36 36
21 21
43