Operating Instructions and Installation Instructions

ULTRAMAX PB 65 - 120
48 L290 ©MHS Boilers 13/12/2010
Display
or
QAA73 #
Function / Description
Range
Default Values
65
85
100
120
H522
Maximum dT of boiler flow and return for
dT supervision
2.5 ... 35 K
25
25
25
25
H523
Switch-on differential of burner in heating
mode
0.5 ... 32 K
3
3
3
3
H524
Minimum switch-off differential of burner
in heating mode
0.5 ... 32 K
3
3
3
3
H525
Maximum switch-off differential of burner
in heating mode
0.5 ... 32 K
8
8
8
8
H526
Switch-on differential of burner in DHW
heating mode (sensor 1)
0.5 ... 32 K
5
5
5
5
H527
Minimum switch-off differential of burner
in DHW heating mode (sensor 1)
-32 ... 32 K
1
1
1
1
H528
Maximum switch-off differential of burner
in DHW heating mode (sensor 1)
-32 ... 32 K
1
1
1
1
H529
Switch-on differential of burner in DHW
heating mode (sensor 2)
0.5 ... 32 K
3
3
3
3
H530
Minimum switch-off differential of burner
in DHW heating mode (sensor 2)
-32 ... 32 K
0
0
0
0
H531
Maximum switch-off differential of burner
in DHW heating mode (sensor 2)
-32 ... 32 K
6
6
6
6
H532
Heating curve slope heating circuit 1
1 ... 40
15
15
15
15
H533
Heating curve slope heating circuit 2
1 ... 40
8
8
8
8
H534
Room set point readjustment heating
circuit 1
-31 ... 31 K
0
0
0
0
H535
Room set point readjustment heating
circuit 2
-31 ... 31 K
0
0
0
0
H536
Maximum speed at maximum output in
heating mode (maximum speed
limitation)
0 ... 9950 rpm
7650
7300
7200
6600
H537
Pump speed at heating plant's design
point
1 ... 50
30
30
30
30
H538
Minimum pump speed permitted for the
heating plant
10 ... 100 %
40
40
40
40
H539
Minimum pump speed for full charging
of stratification storage tank
10 ... 100 %
40
40
40
40
H540
Number of speeds of modulating pump
(supplier specification)
2 ... 50
30
30
30
30
H541
Maximum degree of modulation in heating
mode (LmodTL <= PhzMax <= LmodVL)
0 ... 100 %
100
100
100
100
H542
Minimum boiler output in kW
(lower calorific value)
0 ... 9999 kW
9
16
18
22
H543
Maximum boiler output in kW
(lower calorific value)
0 ... 9999 kW
61
80
90
122
H544
Overrun time of pumps, max. 210 min
(setting 255: continuous operation of
Q1)
0 ... 255 min
5
5
5
5
H545
Minimum burner pause time
(heat demand-dependent switching
hysteresis)
0 ... 3600 s
180
180
180
180
H546
Minimum burner running time
(heat demand-dependent switching
hysteresis)
0 ... 255 s
0
0
0
0
H547
Controller delay after burner is started
up
0 ... 255 s
0
0
0
0