Table of Contents
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UCS-240
10
9
8
7
6
5
4
3
2
1
3 - COMPONENT LISTING
11
12
13
14
15
16
17
18
19
20
21
7
1
Condensate trap
2
Gas Valve
3
Fan
4
Air/gas Mixer
5
Heat exchanger
6
Burner sight glass
7
Manual air vent
8
Flue sensor
9
Coaxial flue connector
10
Exhaust test port
11
Intake test port
12
Thermal fuse (#6 on wire diagram)
13
Exchanger flange high limit (#4 on
wire diagram)
14
Ignition/Flame detection electrode
15
Spark generator
16
Automatic air vent
17
Auxiliary control board box
18
Air/gas venturi
19
Pump
20
Boiler drain
21
Low water pressure switch
A
Condensate trap drain
B
Gas inlet connection
C
Heating supply connection
D
Heating return connection
PN 240011654, Rev. J [01/31/2020]
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Table of Contents
Troubleshooting
