Bryan Boilers 250 Boiler User Manual


 
Date: 8-4-2010
Revision: 0
Form: 2396
(Figure 34). The normal reset curve is shown in
green and the time of day is red.
Figure 34 Outdoor Reset Curve
CONFIGURE
SENSOR CONFIGURATION
(Sensor) S5 (J8-11) sensor
(Connector type) 10K NTC single
non-safety
(Outdoor temperature source) S5
(J8-11) sensor
Figure 35 Outdoor Reset Sensor Configuration
Note:
Update the sensor name to ‘Outdoor Sensor’ by
selecting a different sensor then reselecting the
S5 (J8-11) sensor.
CONFIGURE
CH - CENTRAL HEAT
CONFIGURATION
(page) CENTRAL HEAT
(Outdoor Reset) ENABLED
Note:
y1 is the maximum water setpoint value found in
‘CH – Central heat Configuration’ on the
‘Setpoint’ page.
2.2.20 REMOTE SETPOINT (4 – 20
MA)
CONFIGURE
SENSOR CONFIGURATION
(Sensor) S2 (J8-6) sensor
(Connector type) 4-20mA
SAFETY VERIFICATION 2.2.9
CONFIGURE
CH - CENTRAL HEAT
CONFIGURATION
(page) SETPOINT
(Setpoint Source) S2 (J8-6) 4-20mA
(4 mA water temperature) MIN
(20 mA water temperature) MAX
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