Weil-McLain Ultra 3 series User Manual page 85

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gas fired water boiler
U-Control operation and setup — advanced
Figure 101 U-Control system types and preset parameters
System type
8-character
Fan-coil FAN-COIL
Finned tube baseboard FIN BASE
Cast iron baseboard IRN BASE
Cast iron radiators RADIATOR
Radiant – slab on grade RAD SLAB
Radiant – thin slab RAD SLAB
Radiant – below floor RADFLOOR
(staple up)
Radiant – above floor RADFLOOR
(sleeper system)
Custom CUSTOM
DHW – system DOMESTIC
DHW – direct DOMESTIC
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.
Part number 550-100-090/0809
— Boiler Manual
Display Preset temperatures
3-char
Max Target Outdoor Temp
Temp for Max Target
FCL 190
FTB 180
CIB 180
CIR 180
RSG 120
RTS 140
RSU 160
RAF 140
CUS 190
DHW 190
DHW heating ignores outdoor reset and
DHW 190
Min Target Outdoor Temp
Temp for Min Target
0 140 70
0 130 70
0 120 70
0 120 70
0 80 70
0 80 70
0 90 70
0 90 70
0 70 70
warm weather shutdown
ADVANCED SETUP –
FREEZE PROTECTION CIRCULATORS
1. This function automatically fires the boiler at low fire
and starts the circulators chosen if the heat exchanger
sensor detects a temperature less than 40 °F. The circula-
tors 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.
(continued)
Note
• Does not pass along Add'l Heat Demand
• U-Control modulates to system tempera-
ture sensors
• U-Control modulates to boiler temperature
sensors
• Does not pass along Add'l Heat Demand
85