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4.2.1 Boiler
parameters
CH mode
CH Setpoint
Calc. Setp. Offset
Boiler Pump Overrun
CH Hysteresis Up
CH Hysteresis Down
Anti-Cycle Period
Anti-Cycle Temp. Diff.
Design Supply Temp.
Design Outdoor Temp.
Baseline Supply Temp
Baseline Outdoor Temp
Design Supply Min.
Limit
Design Supply Max.
Limit
Warm Weather Shutdn
Boost Temp Increment
Boost Time Delay
Night Setback Temp.
DHW Mode
DHW Tank Hyst. Down
DHW Tank Hyst. Up
DHW Tank Supply Extra
DHW Priority
DHW Max. Priority Time
DHW Pump Overrun
DHW/Tank Setpoint
DHW Store Setpoint
min.
max.
Default
0
5
1
68
194
185
(20)
(90)
(85)
-18
18
0
(-10)
(10)
(0)
0
900
120
0
36
5
(0)
(20)
(3)
0
36
9
(0)
(20)
(5)
10
900
180
0
36
29
(0)
(20)
(16)
68
194
185
(20)
(90)
(85)
-13
77
23
(-25)
(25)
(-5)
68
194
104
(20)
(90)
(40)
32
86
68
(0)
(30)
(20)
39
180
68
(4)
(82)
(20)
81
194
194
(27)
(90)
(90)
32
95
72
(0)
(35)
(22)
0
54
0
(0)
(30)
(0)
0
120
20
0
54
7
(0)
(30)
(4)
0
8
0
0
36
9
(0)
(20)
(5)
0
36
9
(0)
(20)
(5)
0
54
27
(0)
(30)
(15)
0
2
on
1
255
60
0
900
20
104
160
140
(40)
(71)
(60)
104
160
149
(40)
(71)
(65)
E93.1601EN032.C VGH installation manual
unit
Access
Description:
level
#
Installer
Set the CH mode
°F
Installer
Set the CH setpoint
(°C)
°F
Installer
Set the offset for CH mode 1
(°C)
/ 2 calculated setpoint
sec.
Installer
Set the post-circulation time
for the boiler/CH pump
°F
Installer
Set the CH hysteresis up
(°C)
°F
Installer
Set the CH hysteresis down
(°C)
sec.
Installer
Set the burner anti-cycling
period
°F
Installer
Set the burner anti-cycling
(°C)
differentia
°F
Installer
Set CH setpoint when
(°C)
outdoor temperature equals
Des. Outd. T.
°F
Installer
Set the outdoor temperature
(°C)
at which CH setpoint is set to
Des. Supply T.
°F
Installer
Set CH setpoint when
(°C)
outdoor temperature equals
Bas. Outd. T.
°F
Installer
Set the outdoor temperature
(°C)
at which CH setpoint is set to
Bas. Supply T.
°F
Installer
Set the outdoor reset curve
(°C)
minimum setpoint
°F
Installer
Set the outdoor reset curve
(°C)
maximum setpoint
°F
Installer
Set outdoor temperature
(°C)
above which CH demand is
blocked
°F
Installer
Set the setpoint boost
(°C)
function temperature
increment
min.
Installer
Set the setpoint boost
function delay time
°F
Installer
Set the CH setpoint night
(°C)
setback temperature
#
Installer
Set the DHW mode
°F
Installer
Set the DHW tank hysteresis
(°C)
down
°F
Installer
Set the DHW tank hysteresis
(°C)
up
°F
Installer
Set the DHW tank supply
(°C)
setpoint offset
0-2
Installer
Set the DHW priority mode
min.
Installer
Set the maximum DHW
priority time
sec.
Installer
Set the DHW post-circulation
time
°F
Installer
Set the DHW setpoint
(°C)
°F
Installer
Set the DHW storage
(°C)
setpoint
Displ
ay
no:
1
3
185
5
7
112
9
10
19
20
21
22
23
24
25
26
27
28
35
36
37
38
42
43
44
48
115
83
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