Slant/Fin VHG-100-CH, Installation And Service Manual

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E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
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4.2.2 Module Cascade
Settings min. max. Default unit Access
level Description:
Dis-
play
no:
Burner Address Stand
alone Installer Set the cascade burner
address 184
Permit Emergency Mode Yes Yes/
No Installer Enable/disable the cascade
emergency mode 72
Emergency Setpoint 68
(20) 194
(90) 158
(70) °F
(°C) Installer Set the emergency mode
setpoint 74
Delay Per Start Next Mod. 0 1275 200 sec. Installer Set the delay time before
the next module is started 75
Delay Per Stop Next Mod. 0 1275 180 sec. Installer Set the delay time before
the next module is stopped 76
Delay Quick Start Next 0 1275 50 sec. Installer Set the fast delay time
before the next module is
started 142
Delay Quick Stop Next 0 1275 30 sec. Installer Set the fast delay time
before the next module is
stopped 143
Hyst. Down Start Module 0
(0) 72
(40) 9
(5) °F
(°C) Installer Set the hysteresis down
after which a module is
started 77
Hyst. Up Stop Module 0
(0) 72
(40) 7.2
(4) °F
(°C) Installer Set the hysteresis up after
which a module is stopped 78
Hyst. Down Quick Start 0
(0) 72
(40) 18
(10) °F
(°C) Installer Set the fast hysteresis
down after which a module
is started 144
Hyst. Up Quick Stop 0
(0) 72
(40) 10.8
(6) °F
(°C) Installer Set the fast hysteresis up
after which a module is
stopped 145
Hyst. Up Stop All 0
(0) 108
(60) 14.4
(8) °F
(°C) Installer Set the hysteresis up at
which all modules are
stopped 146
Number of Units 0 16 1 # Installer Set the no. of modules
expected in the cascade
system 147
Power Mode 0 3 2 # Installer Set the power mode 148
Max. Setp. Offset Down 0
(0) 36
(20) 0
(0) °F
(°C) Installer Set the maximum setpoint
offset down 79
Max. Setp. Offset Up 0
(0) 36
(20) 36
(20) °F
(°C) Installer Set the maximum setpoint
offset up 80
Start Mod. Delay Fact. 0 60 60 min. Installer Set the setpoint modulation
delay time 81
Next Module Start Rate 10 100 80 % Installer Set the next module start
rate 82
Next Module Stop Rate 10 100 25 % Installer Set the next module stop
rate 83
Module Rotation Interval 0 30 5 days Installer Set the rotation interval 84
First Module to Start 0 17 1 # Installer Set the first module to start
in the rotation cycle 149
PwrMode2 Min Power 0 100 20 % Installer Set the power mode 2
minimum power 152
PwrMode2 Hysteresis 0 100 40 % Installer Set the power mode 2
hysteresis 153
Post-Pump Period 0 255 30 sec. Installer Set the cascade post-
circulation period 154
Frost Protection 50
(10) 86
(30) 59
(15) °F
(°C) Installer Set the frost-protection
setpoint 155