HTP EFT-399 User Manual
Page 67
67
LP-387 REV. 6.10.14
SCREEN
DESCRIPTION
Function 1
Factory Program Mode
MODE
INDIRECT 1
This screen indicates that the control is configured correctly. Do not change this setting.
Function 3
DHW Tank Max Temp
DHW TANK MAX TEMP
180
o
F 3
This is the maximum temperature that can be selected for the DHW indirect tank set point in the boiler menu. Default:
180
o
F (Range: 95
o
F to 180
o
F).
Function 6
DHW Post Pump Time
DHW POST PUMP TIME
0 MINUTES 6
The indirect pump has the ability to post purge energy from the boiler to run the pump after the set point has been
achieved. Please note that running the pump for a time greater than 5 minutes may cause tank energy to be released
back to the boiler heat exchanger. Default: 0
Minutes (Range: 0
– 10 minutes).
Function 7
Warm Weather Shutoff
WARM WEATHER OFF
68
o
F 7
When used with an outdoor sensor, warm weather shut down will disable the boiler if the programmed outdoor
temperature is exceeded. Default: 68
o
F (Range: 41
o
F to 122
o
F).
Function 8
Min Outdoor Temp
MIN OUTDOOR TEMP
5
o
F 8
Sets the minimum outdoor design temperature for the system. Default: 5
o
F (Range: -49
o
F to 32
o
F).
Function 9
Max Supply Temp
MAX SUPPLY TEMP
190
o
F 9
Sets the maximum design supply temperature based on the minimum outdoor design temperature. Default: 190
o
F
(Range: 77
o
F to 190
o
F).
Function 10
Max Outdoor Temp
MAX OUTDOOR TEMP
68
o
F 10
Sets the maximum outdoor design temperature for the system design. Default: 68
o
F (Range 32
o
F to 190
o
F).
Function 11
Min Supply Temp
MIN SUPPLY TEMP
95
o
F 11
Sets the design supply water temperature based on the maximum outdoor design temperature. Default: 95
o
F (Range:
32
o
F to 190
o
F).
Function 12
Min Boiler Temp
MIN BOILER TEMP
68
o
F 12
Sets the design minimum heat curve temperature for central heat. Default: 68
o
F (Range: 32
o
F to 190
o
F).
Function 13
CH Post Pump Time
CH POST PUMP TIME
0 MINUTES 13
Allows the user to set the boiler pump post purge time once the thermostat is satisfied. Default: 0 minutes (Range: 0
–
10 minutes).
Function 14
DHW Priority
DHW PRIORITY
30 MINUTES 14
Allows the user to set the maximum run time for the indirect fired water heater and the minimum run time for central
heating. Default: 30 minutes (Range: 0
– 60 minutes).
Function 15
Cascade Address
CASCADE ADDRESS
0 15
Bus addressing boilers (maximum boilers allowed 8 in a cascade system). Master Boiler address is 0 and Following
Boilers are addressed 1 thru 7. Default: 0 (Range: 0
– 8). NOTE: DO NOT USE ADDRESS 8.
Function 16
Optional Inputs
OPTIONAL INPUT
RETURN SEN 16
Allows the user to select from optional inputs to control or monitor the system. Default: RETURN (Range: Off / Booster
Board / 0-10 Volt / DHW Sensor / Return Sen).
Function 17
0-10 Volt Function
0-10 VOLT FUNCTION
TEMPERATURE 17
Allows the user to control boiler modulation through temperature control. Default: Temperature (Range: Temperature
or Fan Speed).
Function 18
Step Modulation Mode
STEP MODULATE MODE
ON 18
Allows the user to turn ON the step modulation, which regulates burner output in six steps at one minute intervals. Step
modulation will start at the last modulation rate of the boiler and work up one minute at a time. Default: OFF (Selection:
OFF or ON).
Function 19
Boiler DHW Temp
BOILER SUPPLY DHW
180
o
F 19
Allows the user to program the boiler supply water temperature to the indirect heat exchanger during a demand cycle.
Default: 180
o
F (Range: 119
o
F to 190
o
F).
Function 20
Water Safety Input
WATER SAFETY INPUT
WATER PRESSURE
20
The user can select various water safety inputs used in the boiler system. Default: Flow Switch (Range: None / Low
Water Cut off / Flow Switch / Water Pressure).
Function 21
Error Outdoor Sensor
ERROR OUTD SENSOR
ON 21
Allows the user to set the control to display an error message if an outdoor sensor is open or shorted. NOTE: This error
does not stop the boiler from running. Factory Default: ON (Range: ON / OFF / PHOEN ON).
Function 22
Adjust Boiler Output %
ADJ BOILER OUTPUT
100% 22
Allows the user to adjust the boiler output down from 100% to 50%. Factory Default: 100%. (Range: 100%
– 50%)
Function 23
Cascade Mode
CASCADE MODE
VISION 3 23
Allows the user to select cascade mode. Factory Default: Vision 3 (Range: 926 Boilers / Vision 3).