Slant/Fin VHG-100-CH Installation And Service Manual page 112

High efficiency condensing gas boiler
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Parameters for cascade operation are found in the Module cascade settings menu, located in
the Boiler settings menu.
Parameters in the Boiler cascade settings menu must not be used.
NOTICE
4.2.3 Boiler Cascade
Settings
Boiler Address
Permit Emergency Mode
Emergency Setpoint
Delay Per Start Next Blr
Delay Per Stop Next Blr.
Delay Quick Start Next
Delay Quick Stop Next
Hyst. Down Start Boiler
Hyst. Up Stop Boiler
Hyst. Down Quick Start
Hyst. Up Quick Stop
Hyst. Up Stop All
Number of boilers
Power Mode
Max. Setp. Offset Down
Max. Setp. Offset Up
Start Mod. Delay Fact.
Next Boiler Start Rate
Next Boiler Stop Rate
Boiler Rotation Interval
First Boiler to Start
PwrMode2 Min Power
PwrMode2 Hysteresis
Post-Pump period
112
min.
max.
Default
stand
alone
0
1
yes
68
194
158
(20)
(90)
(70)
0
1275
1275
0
1275
1275
0
1275
400
0
1275
240
0
72
9
(0)
(40)
(5)
0
72
4
(0)
(40)
(2)
0
72
18
(0)
(40)
(10)
0
72
7
(0)
(40)
(4)
0
108
14
(0)
(60)
(8)
0
16
1
0
3
2
0
36
0
(0)
(20)
(0)
0
36
36
(0)
(20)
(20)
0
255
20
10
100
80
10
100
25
0
30
5
1
17
1
0
100
20
0
100
40
0
255
30
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
unit
Access
Description:
level
Installer
Set the cascade boiler
address
Yes/
Installer
Enable/disable the cascade
No
emergency mode
°F
Installer
Set the emergency mode
(°C)
setpoint
sec.
Installer
Set the delay time before
the next boiler is started
sec.
Installer
Set the delay time before
the next boiler is stopped
sec.
Installer
Set the fast delay time
before the next boiler is
started
sec.
Installer
Set the fast delay time
before the next boiler is
stopped
°F
Installer
Set the hysteresis down
(°C)
after which a boiler is
started
°F
Installer
Set the hysteresis up after
(°C)
which a boiler is stopped
°F
Installer
Set the fast hysteresis
(°C)
down after which a boiler is
started
°F
Installer
Set the fast hysteresis up
(°C)
after which a boiler is
stopped
°F
Installer
Set the hysteresis up at
(°C)
which all boilers are
stopped
#
Installer
Set the number of boilers
expected in the cascade
system
#
Installer
Set the power mode
°F
Installer
Set the maximum setpoint
(°C)
offset down
°F
Installer
Set the maximum setpoint
(°C)
offset up
min.
Installer
Set the setpoint modulation
delay time
%
Installer
Set the next boiler start rate
%
Installer
Set the next boiler stop rate
days
Installer
Set the rotation interval
#
Installer
Set the first boiler to start in
the rotation cycle
%
Installer
Set the power mode 2
minimum power
%
Installer
Set the power mode 2
hysteresis
sec.
Installer
Set the cascade post-
circulation period
Dis-
play
no:
73
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
180
181
182

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