Honeywell ESYS S4965A3025 Functional Description page 12

Title: Functional description S4965A3025
Electrical rating
Fusing
Relay output (LPG)
Gas valve output
High limit switch input
Communication input
Communication output
Length of wiring for external component
Ignition
Spark voltage
Spark frequency
Spark pulse energy
Spark to
Timings
Pre purge/waiting time
Pre ignition time
Safety time
Number of ignition trials
Flame failure response time
Stabilization time
Post purge time
Pump over run time
Anti cycling time
Flame sensing
Flame and sparking rod
Flame current (factory parameter setting)
Length flame sensing / spark cable
Product life
For safety and main operator gas valve
At rated loads
Operations with rated loads
First issue
Value
Ext. fuse 2A slow sand filled
230 VAC, 0,8 A max, cos φ = 0,6
230 Vrac, 50 mA
24 VDC (22 kΩ)
logic "0" 0,8 VDC, logic "1" 2 – 24 VDC (10 kΩ)
open collector 24 VDC and 10 mA max
1,0 m max
Value
20 kV
10 Hz
15 μAs
ground
Value
0 s
0,4 s
10 s
3
1 s
0 s
0 s (adjustable)
-
-
Value
separate
minimum 0,8 μA
0,5 m max
Value
500.000 cycles
250.000 cycles
6.000 lock-out
Description
Heating & Cooling Appliance Controls
Doc.: S4965A3025E20
Sign. E.C.N.
M.Matiasko
Honeywell
Date Rev.
01-Sep-2015 A
Page 12/22