HTP EL-399 - Manual (Page 61)

61
LP- 293 REV. 5.20.14
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).
Function 24 Cascade Rotation
CASCADE ROTATION
48 HOURS 24 Sets the amount of hours before the first boiler in the cascade firing rotation will be changed. NOTE: If this parameter
is set to 0, the firing order of the boilers will not rotate. Default: 48 hours (Range: 0
– 240 hours).
Function 25 Cascade DHW Mode
NOT USED
NOT USED 25 Not used on this product.