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