ENVI
®
Control
25
1.8.3
Master Settings
These settings can only be accessed on a designated master boiler.
The master settings are used in conjunction with the cascade settings to set the system response parameters.
These settings are described in more detail below.
ENVI
®
Text Display
Function
Range
Units
Pass code
Level
HDR Setpoint
Sets the operating
temperature at the header
104
– 194
°F
SVC2
Power Mode
0
– 1
SVC2
Power Mode
Min Boilers On
See Below 1.8.4.1
0
Power Mode
Max Boilers On
See Below 1.8.4.2
1
Header Mode
0
– 4
SVC2
Header Mode
(Header & Stat)
See Below 1.8.4.3
0
Header Mode
(Header ODA &
Stat)
See Below 1.8.4.4
1
Header Mode
(Header & ODA)
See Below 1.8.4.5
2
Header Mode
(HDR Setpt Control)
See Below 1.8.4.6
3
Header Mode
(HDR Analog Setpt)
See Below 1.8.4.7
4
Hyst Start Blr
See Below 1.8.4.8.1
0
– 36
°F
SVC2
Hyst Stop Blr
See Below 1.8.4.8.2
0
– 36
°F
SVC2
Wait Blr Swtch
(ver. 112E, BD71, 49A7)
See Below 1.8.4.8.3
1
– 255
Sec
SVC2
Wait Blr Sw on
(ver. 79F2, 8C51, 1043, 9820)
See Below 1.8.4.8.4
1
– 60
Min
SVC2
Wait blr sw pwr
(ver. 1043, 9820)
See Below 1.8.4.8.5
0-100%
SVC2
Wait Blr sw off
(ver. 79F2, 8C51, 1043, 9820)
See Below 1.8.4.8.6
1
– 60
Min
SVC2
Wait reset time
(ver. 8C51, 1043, 9820)
See Below 1.8.4.8.7
On/off
SVC2
Prop Band
(Proportional Band)
Proportional Band
0
– 230
°F
SVC2
Integral Rate
Integral Rate
0
– 255
Sec
SVC2
Der Time (Derivative)
Derivative Time
0
– 255
Sec
SVC2
Cyc Lmt Incrmnt
See Below 1.8.4.8.11
0
– 50
Min
SVC2
Cycl Limit Max
See Below 1.8.4.8.12
1
– 255
Min
SVC2
Hys Quic Start
See Below 1.8.4.8.13
0
– 51
°F
SVC2
