B. cascade master main screens – HTP ELP-199 User Manual
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LP-294 REV. 2.20.14
SYSTEM TEST
Burning
Ion 60 uA Sup. 160
o
F
FPBSG Ret. 160
o
F
This screen is only shown during Test Mode, activated in the Installer Menu. It displays the
operation status, ionization current, supply and return temperature, and active control outputs.
Table 19
– Stand-Alone Boiler Main Screens
B. CASCADE MASTER MAIN SCREENS
NOTE: The following screens appear only if the boiler is the master in a cascaded system.
SCREEN
DESCRIPTION
CASCADE XX RUNNING
STANDBY
System 160
o
F
This display is visible at cascaded boilers. XX refers to the number of running boilers in the system.
For example, if there are 8 boilers running in a 9 boiler cascaded system, the XX number will be 8.
This screen shows the boiler in standby, and the actual system temperature. There are no active
outputs.
Pressing the
▼ key brings up the main screen of the master boiler.
CASCADE XX RUNNING
CENTRAL HEATING
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. This
screen shows the boiler is fulfilling a central heating demand, and the actual system temperature.
Pressing the
▼ key brings up the main screen of the master boiler. Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
DOMESTIC HOT WATER
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. In this
screen, the boiler is fulfilling a domestic hot water demand. The system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler. Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
STANDBY
LOCKOUT AT NO. ##
System 160
o
F
This display is visible at the cascade master, and indicates an error. XX refers to the number of
running boilers. ## stands for boiler address. Manual reset is required. Analyze error at the
particular boiler.
The error description will alternate with “Call service number” and “telephone
number” of service technician. The system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler “1” (along with the error). Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
STANDBY
BLOCKING AT NO. ##
System 160
o
F
This display is visible at the cascade master, and indicates an error. XX refers to the number of
running boilers. ## stands for boiler address. This screen indicates a temporary blocking error that
will reset automatically once the condition is corrected. Analyze error at the particular boiler. The
error description will alternate with “Call service number” and “telephone number” of service
technician. The system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler “1” (along with the error). Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
SYSTEM
FREEZE PROTECTION
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. This
screen indicates that freeze protection is active. The system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler. Pressing ▲ returns to the previous screen.
NOTE: The following screens refer to Fixed Mode. Fixed Mode supplies a fixed supply temperature and turns all boilers on during
incidents of communication problems or if the system sensor fails.
CASCADE XX RUNNING
TEMP FIXED MODE
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. This
screen indicates that fixed mode is active. All cascaded boilers operate at a fixed set point. The
system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler “1” (along with the error). Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
TEMP FIXED MODE
LOCKOUT AT NO. ##
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. This
screen indicates that fixed mode is active, and there is a lockout error at cascaded boiler no. ##.
Manual reset is required. Analyze the error at the particular boiler. All cascaded boilers operate at
a fixed set point. The system temperature is 160
o
F.
Pressing the
▼ key brings up the main screen of the master boiler “1” (along with the error). Pressing ▲ returns to the previous screen.
CASCADE XX RUNNING
TEMP FIXED MODE
BLOCKING AT NO. ##
System 160
o
F
This display is visible at the cascade master. XX refers to the number of running boilers. This
screen indicates that fixed mode is active, and there is a blocking error at cascaded boiler no. ##.
The boiler will reset automatically once the condition is corrected. Analyze the error at the
particular boiler. All cascaded boilers operate at a fixed set point. The system temperature is
160
o
F.
Pressing the
▼ key brings up the main menu of the master boiler “1” (along with the error). Pressing ▲ returns to the previous screen.
Table 20
– Cascade Main Screens