7
3 - COMPONENT LISTING
1
Condensate trap
2
Gas Valve
3
Fan
4
Air/gas mixer
5
Heat exchanger
6
Thermal fuse (#6 on wire diagram)
7
Coaxial flue connector
8
Exhaust test port
9
Intake test port
10
Flue sensor
11
Automatic air vent
12
Exchanger flange high limit (#4 on
wire diagram)
13
Burner sight glass
14
Ignition/Flame detection electrode
15
Spark generator
16
Auxiliary control board box
17
Air/gas venturi
18
Pump
19
Boiler drain
20
Low water pressure switch
A
Condensate trap drain
B
Gas inlet connection
C
Heating supply connection
D
Heating return connection
1
2
3
4
5
7
6
8
9
10
11
13
12
14
15
16
17
18
19
20
PN 240011662 Rev. H [04/30/2019]
UCS-380