HTP Elite FT EFT-285, Установка, Запуск, Обслуживание, Запчасти, Гарантия, Страница: 49 / 70

lp-657 Rev. 001 Rel. 000 Date 12.10.18
49
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
OFF 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
Adjusts 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 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 applicable on this product.
Function 26 System Freeze Protection
SYS FREEZE PROT
PROTECT OFF 26
NOTE:
This parameter is only present
if the boiler is a cascade master. Allows
the user to set the freeze protection
when a system pump is used. Factory
Default: OFF. Selection of temperature
activates freeze protection. (Range:
OFF, -40
o
F – 104
o
F).
Function 27 Error System Sensor
ERROR SYSTEM SENS
ON 27
Sets the control to display an error
message if the system sensor is open
or shorted. NOTE: This error does
not stop the boiler (or boilers) from
running. Factory Default: ON (Range:
ON / OFF).
Screen Description
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 Not applicable on this product.
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 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
Control boiler modulation through
temperature control. Factory Default
= Temperature (Range: Temperature
or Fan Speed).