E93.1801EN171 HWB installation manual
86
4.2.3 Boiler Cascade
Settings
min.
max.
Default
unit
Access
level
Description:
Dis-
play
no:
Boiler Address
stand
alone
Installer
Set the cascade boiler ad-
dress
73
Permit Emergency Mode
0
1
yes
Yes/
No
Installer
Enable/disable the cascade
emergency mode
156
Emergency Setpoint
68
(20)
194
(90)
158
(70)
°F
(°C)
Installer
Set the emergency mode
setpoint
157
Delay Per Start Next Blr
0
1275
1275
sec.
Installer
Set the delay time before
the next boiler is started
158
Delay Per Stop Next Blr.
0
1275
1275
sec.
Installer
Set the delay time before
the next boiler is stopped
159
Delay Quick Start Next
0
1275
400
sec.
Installer
Set the fast delay time be-
fore the next boiler is
started
160
Delay Quick Stop Next
0
1275
240
sec.
Installer
Set the fast delay time be-
fore the next boiler is
stopped
161
Hyst. Down Start Boiler
0
(0)
72
(40)
9
(5)
°F
(°C)
Installer
Set the hysteresis down af-
ter which a boiler is started
162
Hyst. Up Stop Boiler
0
(0)
72
(40)
4
(2)
°F
(°C)
Installer
Set the hysteresis up after
which a boiler is stopped
163
Hyst. Down Quick Start
0
(0)
72
(40)
18
(10)
°F
(°C)
Installer
Set the fast hysteresis
down after which a boiler is
started
164
Hyst. Up Quick Stop
0
(0)
72
(40)
7
(4)
°F
(°C)
Installer
Set the fast hysteresis up
after which a boiler is
stopped
165
Hyst. Up Stop All
0
(0)
108
(60)
14
(8)
°F
(°C)
Installer
Set the hysteresis up at
which all boilers are
stopped
166
Number of boilers
0
16
1
#
Installer
Set the number of boilers
expected in the cascade
system
167
Power Mode
0
3
2
#
Installer
Set the power mode
168
Max. Setp. Offset Down
0
(0)
36
(20)
0
(0)
°F
(°C)
Installer
Set the maximum setpoint
offset down
169
Max. Setp. Offset Up
0
(0)
36
(20)
36
(20)
°F
(°C)
Installer
Set the maximum setpoint
offset up
170
Start Mod. Delay Fact.
0
255
20
min.
Installer
Set the setpoint modulation
delay time
171
Next Boiler Start Rate
10
100
80
%
Installer
Set the next boiler start rate 172
Next Boiler Stop Rate
10
100
25
%
Installer
Set the next boiler stop rate
173
Boiler Rotation Interval
0
30
5
days
Installer
Set the rotation interval
174
First Boiler to Start
1
17
1
#
Installer
Set the first boiler to start in
the rotation cycle
175
PwrMode2 Min Power
0
100
20
%
Installer
Set the power mode 2 mini-
mum power
180
PwrMode2 Hysteresis
0
100
40
%
Installer
Set the power mode 2 hys-
teresis
181
Post-Pump period
0
255
30
sec.
Installer
Set the cascade post-circu-
lation period
182
5 System test
min.
max. Default
unit
Access
level
Description:
Test State
off
installer
set test state (for adjusting CO2
level's)
Fan speed
xxxx
rpm
installer
read out fan speed
Ionization
x.x
uA
installer
read out flame signal
Summary of Contents for HWB-299
Page 2: ......
Page 7: ...E93 1801EN171 HWB installation manual 7 1 SAFETY GUIDELINES...
Page 8: ...E93 1801EN171 HWB installation manual 8 CONSIGNES DE S CURIT...
Page 65: ...E93 1801EN171 HWB installation manual 65 Ladder Logic Diagram...
Page 66: ...E93 1801EN171 HWB installation manual 66 Electrical schematics...
Page 67: ...E93 1801EN171 HWB installation manual 67...
Page 119: ...E93 1801EN171 HWB installation manual 119 22 SPARE PARTS...
Page 120: ...E93 1801EN171 HWB installation manual 120 68 68 73...
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