19
Item
Range
Default
User Settings
When is it Displayed
Description
BOILER 1, 2, 3, 4
ON <> OFF
OFF
Cascade Followers present FT_Bus 1, 2, 3, 4 are con-
nected
The following settings are available in the SETUP/ADJUST Menu. Go to MODE screen within SETUP menu
and change MODE = 2 to enable the settings for the configuration described along this section:
Item
Range
Default
User Settings When is it Displayed
Description
Target
Reset - Setpoint
EMS
Modbus
SETP
PIM™ Identity is H
EMS = Temp/Rate
Modbus = Temp/Rate
RSET = Outdoor RSET = Outdoor Reset
SETP = Setpoint
EMS = Energy Management System
(Analog Target Temperature)
MODB = Modbus
SETP = Setpoint
Mode
1,2,3
1
PIM™ Identity is H
Target = Rset or Setp
Piping and application configuration
SETPOINT
XFYRE 50 TO 192°F
XPAKFT 50 TO 192°F
MVB/XTHERM 50 TO
220°F
180°F
PIM™ Identity is H
Piping and application configuration
Target Max.
XFYRE 190°F
XPAK FT 190°F
MVB/XTHERM 220°F
192°F
192°F
220°F
Modbus Rate
EMS Rate
PIM™ Identity is H
Maximum Target Boiler Temperature
Target Min.
50 to 180°F
50°F
Modbus Rate
EMS Rate
PIM™ Identity is H
Minimum Target Boiler Temperature
Sys. Purge
0:20 to 20:00 min
0:20 min
Modbus
Temp/Rate
PIM™ DIP = Purge On
Sets the length of the System Pump Purge
Units
F or C
F
Always
Show Units Using Icons in Display
When RESET from target screen is selected the following items will be available for adjustment:
Out Start
35 to 85°F
70°F
PIM™ Identity is H
Target = Rset
Outdoor Reset Starting Temperature
Out Design
-60 to 45°F
10°F
PIM™ Identity is H
Target = Rset
Outdoor Reset Design Temperature
Boil Start
35 to 150°F
70°F
PIM™ Identity is H
Target = Rset
Starting Boiler Target Temperature when Outdoor
Temperature is at Outdoor Start
Boil Design
70 to 200°F
180°F
PIM™ Identity is H
Target = Rset
Design Boiler Target Temperature when the Outdoor
Temperature is at Outdoor Design (Hottest Water on
Coldest Day)
WWSD
40 to 100F
70F
Target = Rset
PIM™ Identity is H
The System Warm Weather Shut Down Temperature
When manual differential is selected via PIM™ DIP switch #1, the following item will appear:
Target Diff
2 to 42°F
10°F
PIM™ Identity is
H PIM™
DIP = Manual Diff
Differential for Target Boiler Temperature
enable a boiler to be a follower in the cascade by turn-
ing DIP switch #2 on the VERSA
®
Control Board to the
"OFF" position for each of the followers. To enable
Follower boilers, scroll to the SETUP menu and, using
the item button, scroll to the individual boilers and tog-
gle from OFF to ON to allow them to operate when
commanded by the Master to run.
Prior to enabling the master boiler apply power is
applied to all units for initial programming of cascade
settings. This is accomplished from the master boiler
user interface.
The next menu items are not necessarily in the order
in which they will appear. Enable followers from appro-
priate BOILER menu at the master:
Содержание VERSA IC
Страница 2: ...2 Rev 2 is a software revision J1214G Aug 2014 completely new edition of this manual...
Страница 28: ...28 Fig 26 WH Direct DHW single Heater with CWP VS Pump MIX TYPE 2 Fig 25 WH Direct DHW Single Heater...
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