Electrical Connections - Novatech 1635 User Manual

2.6

ELECTRICAL CONNECTIONS

All wiring should comply with local electrical codes. The printed circuit boards are fully floating above earth. All
earth and shield connections should be connected to the earth stud on the LHS inside the case. Before connection of
mains power check that the 115 / 230 volt power selector switch is set to the correct voltage.
RGS-01
SENSOR #1
Connection Diagram for a 1635 Analyser, a 1231 Heated Probe and on optional RGS-01
August 2009
1635 Water Vapour Analyser
Orange
Brown
Black
Blue
Black
Blue
Orange
Brown
Burner safety lock
or if safety interlock
not required link
terminals 18 & 19
4-20mA Outputs
Selectable
ranges
Optional Alarm
Relay Contacts
Normally Closed
1 Probe +
2 Probe -
3
Probe TC+
4 Probe TC-
5 TC2/Aux+
6 TC2/Aux-
7 +12V
8 RGCI/P+
9
RGCI/P-
10 Sens #2+
11 Sens #2-
12 Purge Flow Switch
13 Purge Flow Switch
14 Fuel 1/2
15
Fuel 1/2
16 Remote Alarm Reset
17 Remote Alarm Reset
18 Burner On Input
19 Burner On Input
20 RS-232 Rx
21 RS-232 Tx
22 Network -
23 Network +
24 Serial Common
25 Output 1+
26 Output 1-
27 Output 2+
28 Output 2-
29 Common Alarm
30 Common Alarm
31 Alarm 2
32 Alarm 2
33 Alarm 3
34 Alarm 3
35 Alarm 4
36 Alarm 4
Mains Power Supply
240/115VAC
White
White
White
White
41 Purge Sol
42 Purge Sol
43 Cal 1 Sol
44 Cal 1 Sol
45 Cal 2 Sol
46 Cal 2 Sol
47 Mains E
48
49 Mains N
50 Mains A
51 Heater #1
52 Heater #1
53 Heater #2
54 Heater #2
17