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Part number 550-100-400/0119
101
ADVANCED SETUP –
CIRCULATOR EXERCISING
1. For each circulator, select whether you want the U-Control to
automatically start the circulator and run for 10 seconds for each
72-hour period of inactivity.
Figure 114 U-Control system types and preset parameters
8-character 3-char
a Taret
Temp
Outdoor
Temp
for a
Taret
in Taret
Temp
Outdoor
Temp
for in Taret
an-coil AN-COIL CL 190 0 140 70
inned tue aseoard IN BAS TB 180 0 130 70
Cast iron aseoard IN BAS CIB 180 0 120 70
Cast iron radiators AIATO CIR 180 0 120 70
adiant sla on rade A SLAB S 120 0 80 70
adiant thin sla A SLAB TS 140 0 80 70
adiant elo oor
staple up
ALOO SU 160 0 90 70
adiant aoe oor
sleeper sstem
ALOO A 140 0 90 70
Custom CUSTO CUS 190 0 70 70 oes not pass alon Addl eat emand
sstem OSTIC 190
heatin inores outdoor reset and
arm eather shutdon
U-Control modulates to sstem tempera-
ture sensors.
direct OSTIC 190 U-Control modulates to oiler temperature
sensors.
oes not pass alon Addl eat emand
ADVANCED SETUP –
FREEZE PROTECTION CIRCULATORS
1. This function automatically fi res the boiler at low fi re
and starts the circulators chosen if the heat exchanger
sensor detects a temperature less than 40 °F. The circu-
lators turn off when the temperature rises above 45 °F.
ADVANCED SETUP –
MAINTENANCE INFO
1. Use this section to enter contractor’s information and
to enter an automatic notice for maintenance (default
is 12 months). Because this shows on the display, it is an
automatic means of notifying the homeowner of need
for scheduled maintenance by the technician. Update the
screen reminder to reset for the next maintenance date.
U-Control operation and setup — advanced (continued)
®
Series 4
gas-fired water boiler — Boiler Manual
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