HTP EL-399 - Manual (Page 59)

59
LP- 293 REV. 5.20.14
The ENTER key is also used to enable a function for editing. After the user navigates to the desired function, the user would hold down
the ENTER key for one second. When the ENTER key is released, the function value will begin to blink. The function can now be
changed using the
▼▲ ARROW keys. After the new value is displayed, the user then presses the ENTER key for 1 second to lock the
new value of the function in. The value will then stop blinking.
LEFT AND RIGHT ARROW KEYS
–   are used to navigate between the default display, status display, analog and cascade dis-
plays if they are enabled. The   keys are also used in programming modes to change between the programmable functions. It is
recommended you use the Menu Maps in the back of this manual and the detailed menu instructions printed in this section to help in
menu navigation.
UP AND DOWN ARROW KEYS
– ▼▲ are used to navigate between the various functions displayed in the menu. After the function is
enabled for editing by pushing the ENTER key, the ▼▲ keys are used to adjust the function upward or downward to the desired value.
C. OPERATING INSTRUCTIONS
Before operating the unit, it is important to remove the cover and verify that the gas line and water lines are connected to boiler and fully
purged. If you smell gas, STOP; Follow the safety instructions listed in the first part of this section. If you do not smell gas, follow the
next steps.
1. Turn down the thermostats before applying power to the boiler. If 0
–10 volt or other inputs are used, make sure that they are set so
there is no call for heat while programming.
2. Turn on the power to the boiler or boilers if a cascade system used.
3. Next, check the boiler settings. Adjustment and factory defaults are outlined within this section. If a cascade system is used, it is
important that all the boilers have the same boiler settings.
4. Next, check the system settings. Adjustments and factory defaults are outlined within this section. If a cascade system is used, it is
important that the Master Boiler is programmed with the correct system settings.
5. Create a demand on the boiler or boilers if a cascade system is used. The user can monitor system functions when the boilers are
operational.
6. If the boilers fail to start, refer to the troubleshooting section in the back of this manual.
D. PROGRAMMING BOILER SETTINGS
Boiler Setting Program Access
NOTE: Programming the boiler control is not possible when the boiler is firing. Make sure any input which can create a demand on the
boiler, such as the tank thermostat, is turned off, so the boiler will remain idle to allow programming.
SCREEN DESCRIPTION
ENTER MENU CODE
000 To access the boiler setting program, press and hold the ENTER Key for 4 seconds, until the display shows the
screen at left.
ENTER MENU CODE
600
Using the arrow keys, log in the Boiler Menu Access Code “600”. To confirm the code, press ENTER to access
Boiler Setting Program navigation menu.
Table 15 – Programming Screens
Boiler Setting Program Navigation
Once the code is confirmed, the user can now start to set the Boiler Settings. Use the arrow keys on the display to navigate through
the Boiler Setting Program. A blinking setting indicates it can be changed. To change a setting, press the ENTER Key. Boiler settings
can be increased by pressing the UP ARROW
▲ and decreased by pressing the DOWN ARROW ▼ on the display. When done, press
ENTER. Setting will stop blinking and you can move on to next setting. Press RESET to exit programming and store settings. Listed
below are the boiler settings that can be programmed into the control.
SCREEN DESCRIPTION
CENTRAL HEAT
180
o
F
Function: Adjusts the boiler set point. Default: 180 o F (Range: 50 o F to 190 o F).
CENTRAL DIFF SET
30
o
F
Function: Adjusts the boiler differential set point. Default: 30 o F (Range: 5 o F to 30 o F).
DHW SET POINT
119
o
F
Function: Adjusts the indirect tank set point. Default: 119 o F (Range: 70 o F to 185 o F).