Ultra Boiler Manual

Part number 550-100-440/0122
104
  
 (continued)
Menu/Item Units Low
Value
High
Value
Default Comment
Boiler Settings
Boiler Model
80, 105, 155,
230, 299, 399
factory
THIS MUST BE SET CORRECTLY FOR SAFE OPERATION. Adjusts blower
speeds and ame sense (Display will show “HA” aer the model number if high altitude
has been selected, below.)
High Altitude
yes or no no Adjusts ignition and low re fan speed (for altitudes above 5, 500 feet only)
High Limit
°F 50 200 200 If boiler out temperature reaches this temperature boiler will lockout which requires a
manual reset
WWSD Temp
°F O, 50 100 70 Boiler will not respond to heating calls above this outdoor temp
Adjust Outdoor
°F
(dierence)
-10 +10 0 is value plus outdoor sensor reading equals outdoor temp (Use this setting to
compensate for solar gain or other factors that cause a shi in sensor temperature.)
Add’l Heat Demand Type
Types O Type 4 O Type 1 — Ultra is primary source, starts secondary aer delay (requires system sensors)
Type 2 — Ultra is secondary source, starts primary immediately
Type 3 — Boilers operate in parallel, Ultra boiler is LEAD, outputs 0–10 VDC to others
Type 4 — Boilers operate in parallel, Ultra boiler is SHADOW, receives 0–10 VDC input
Add’l Heat Demand Time
minutes 0 240 0 Delay before bringing on additional heating appliances
System Settings
Boiler Priority 1
System Type
Types O Custom DHW - direct DHW-direct doesn’t use ODR, boost, or Add’l heat demand output
Max Supply
°F 60 190 190 Boiler enters manual reset lockout at 200°F
Min Supply
°F 60 190 N/A N/A - DHW does not use reset
Max OD Reset
°F 50 100 N/A N/A - DHW does not use reset
Min OD Reset
°F –20 50 N/A N/A - DHW does not use reset
Modulate On Diff
°F 2 10 5 Boiler turns on if temperature drops below target minus dierential on
Modulate Off Diff
°F 2 10 5 Boiler shuts down if modulates past target plus dierential o
Max On Time
minutes o 240 30 Longest time boiler will satisfy this system before switching to an active lower priority
Min On Time
— — — — Priority 1 does not have this setting
Boost Interval
minutes o 240 N/A
(not used) When operating on ODR increases target 10F when this time expires until reaching
MAX
Prepump Time: ### SEC
seconds 0 240 20 Additional time to run circulators longer than standard 10 second time
Postpump Time: ### SEC
seconds o 240 30 Circulator run time aer call for heat ends
Circulator 1
on-o o on on Circulator activates on this call for heat if on
Circulator 2
on-o o on o Circulator activates on this call for heat if on
Circulator 3
on-o o on o Circulator activates on this call for heat if on
Maximum Rate
%Rate 21% 100% 96% Boiler Model and altitude specic (derated to 96% from factory)
NOTE: Adjusting boiler ring rate will aect AFUE rating.
Minimum Rate
%Rate 20% 99% 33% (80-299)
20% (399)
Boiler Model and altitude specic
Boiler Priority 2
System Type
Types FTB Finned-Tube Baseboard
Max Supply
°F 60 190 180 Highest target the control will calculate based on outdoor temperature
Target temperature if outdoor sensor is not detected (manual reset lockout at 200°F)
Min Supply
°F 60 190 130 Lowest target the control will calculate based on outdoor air temperature
Max OD Reset
°F 50 100 70 Outdoor air temperature that forces the minimum supply water to be target
temperature
Min OD Reset
°F –20 50 0 Outdoor air temperature that forces the maximum supply water to be target
temperature
Modulate On Diff
°F 2 10 5 Boiler turns on if temperature drops below target minus dierential on
Modulate Off Diff
°F 2 10 5 Boiler shuts down if modulates past target plus dierential o
Figure 116  (see Figure 115, page 102 for location in menu sequence)