9
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Table 4: TERMINAL WIRING
Terminal No.
Type
Description
Rating
1
Power
Line voltage supply
110VAC (+20%, -15%), 50/60Hz
230VAC (+10%, -15%), 50/60Hz
single phase
2
Power
Line voltage common
3
Output
Alarm
See Load Ratings
4
Output
Lockout Limits
110/230 VAC, 1mA
5
Input
Recycle Limits
110/230 VAC, 1mA
6
Output
Combustion Air Blower
See Load Ratings
7
Output
Combustion Air Blower
8
Input
Actuator Feedback
110/230 VAC, 1mA
9
Output
High Fire Purge (Open)
See Load Ratings
10
Output
Low Fire Purge (Minimum)
See Load Ratings
11
Output
Closed (Economy)
See Load Ratings
12
Input
Proof of Closure (FVES)
110/230 VAC, 1mA
13
Input
Combustion Air Switch Test
110/230 VAC, 1mA
14
Input
Combustion Air Prove
110/230 VAC, 1mA
15
N/A
Unused
16
Output
Ignition
See Load Ratings
17
Output
Pilot
See Load Ratings
18
Output
Main Fuel Valve (Direct)
See Load Ratings
19
Output
Main Fuel Valve (Piloted)
See Load Ratings
20
Output
Release to Modulate (AUTO)
See Load Ratings
21
Input
Remote Reset
110/230 VAC, 3mA
22
Output
Flame Sensor (UVS1)
300 VDC, 3mA
23
Input
Flame Sensor Return(S2)
Sensor Common/return
24
N/A
Unused
N
Power
Line Voltage Common
Protective Earth
CAUTION: Published load ratings assume that no contact be required to handle inrush cur-
rent more often than once in 15 seconds. The use of control switches, solenoid, relays, etc.
which chatter can lead to premature failure. It is important to run through a test operation
(with fuel shut off) following the tripping of a circuit breaker, a blown fuse, or any known
instance of chattering of any external current consuming devices.
