Low Voltage Connections; Specification - Honeywell ESYS S4965A3025 Functional Description

Title: Functional description S4965A3025

5.3.4 - Low Voltage Connections

Connector
Pin
name
X3 1
X3 2
X3 3
X3 4
X3 5
X3 6
X3 7
X3 8
X3 9
X3 10
X3 11
X3 12
X3 13
X3 14
X3 15
X3 16
X3 17
X3 18
NOTE: *ELS - External Lockout System / Switch

5.3.5 - Specification

Nominal data
Supply voltage
Power consumption
Humidity
Ambient temperature
Communication
Bit rate
Byte format
Bit value "1"
Bit value "0"
First issue
Type of Connection Description
Molex Microfit
Heat Demand (LV) switch input
Molex Microfit
External Reset switch input
Molex Microfit
Error Output (to Esys 2)
Molex Microfit
High Limit switch input
Molex Microfit
NC
Molex Microfit
Alarm LED / GAS Error (to ELS*) [out]
Molex Microfit
Error Input (from Esys 2)
Molex Microfit
NC
Molex Microfit
NC
Molex Microfit
GAS Reset (from ELS*) [in]
Molex Microfit
GND – External Reset switch
Molex Microfit
High Limit switch – supply (24V)
Molex Microfit
NC
Molex Microfit
GND
Molex Microfit
GND
Molex Microfit
GND – (from Esys 2)
Molex Microfit
GND – Heat Demand (LV) switch
Molex Microfit
GND – (from ELS*)
Value
230 VAC +10%, -15%, 47 – 65 Hz
2,5 VA
90% RH max at 40°C (no condensing)
-20°C – +60°C
Value
2400 or 19200 Baud
1 start, 8 data, 1 stop, no parity
low line level at connector
high line level at connector
Description
Heating & Cooling Appliance Controls
Doc.: S4965A3025E20
Sign. E.C.N.
M.Matiasko
Honeywell
Date Rev.
01-Sep-2015 A
Page 11/22