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3916043 02.06
4. Electrical Installation
4.1 General
Danger: Turn off electrical power before servicing. Contact with live electric components can
cause shock or death.
EBC 30LE is designed for 1x120VAC power supply only.
The terminals are connected as shown (for additional information go to 5.1):
Use
Terminal
1
2
3, 4
5, 6
24
Power Supply-L1 (Phase)
Power Supply-N (Neutral)
Ground
AUX1 Dry Contact (Normally Open)
Output to Appliance 1 (0-250V, 8A)
AUX1 Input - Boiler 1 Thermostat Input
10-250VAC/DC (Load, Pos.)
AUX1 Input - Boiler 1 Thermostat Input
(Common, Neg.)
AUX2 Dry Contact (Normally Open)
Output to Appliance 2 (0-250V, 8A)
AUX2 Input - Boiler 2 Thermostat Input
10-250VAC/DC (Load, Pos.)
AUX2 Input - Boiler 2 Thermostat Input
(Common, Neg.)
AUX3 Dry Contact (Normally Open)
Output to Appliance 3 (0-250V, 8A)
AUX3 input - Boiler 3 Thermostat Input
10-250VAC/DC (Load, Pos.)
AUX3 Input - Boiler 3 Thermostat Input
(Common, Neg.)
AUX4 Dry Contact (Normally Open)
Output to Appliance 4 (0-250V, 8A)
AUX4 Input - Boiler 4 Thermostat Input
10-250VAC/DC (Load, Pos.)
AUX4 Input - Boiler 4 Thermostat Input
(Common, Neg.)
AUX5 Dry Contact (Normally Open)
Output to Appliance 5 (0-250V, 8A)
AUX5 Input - Boiler 5 Thermostat Input
10-250VAC/DC (Load, Pos.)
7
8
9, 10
11
12
13, 14
15
16
17, 18
19
20
21, 22
23
AUX5 Input - Boiler 5 Thermostat Input
(Common, Neg.)
AUX6 Dry Contact (Normally Open)
Output to Appliance 6 (0-250V, 8A)
AUX6 Input - Boiler 6 Thermostat Input
10-250VAC/DC (Load, Pos.)
AUX6 Input - Boiler 6 Thermostat Input
(Common, Neg.)
Draft Input - Supply to EXTERNAL switch (24 VDC)
Draft Input - Return from EXTERNAL switch (24 VDC)
Override Input - (positive) - 0-250VAC/DC
Override Input - (common)
Alarm Relay - Dry Contact (Normally Open)
Close on Alarm Condition, (0-250VAC, 8A)
Not in use
Not in use
Not in use
Power Supply to Exhaust Transducer
(positive) - 24VDC
Output to Exhaust Transducer - (common)
Input from Exhaust Transducer - (positive)
0-10V
Not in use
Not in use
Not in use
Power Supply to Intake Transducer
(positive) - 24VDC
Output to Intake Transducer - (common)
Output to Intake Transducer - (positive) 0-10V
25,26
27
28
29
30
31
32
33, 34
35, 36
37
38
39
40, 42
41
43, 44
45
46
47
48, 50
49
26
7
+/~
8
11
12
15
16
19
20
23
24
27
28
-/~
AUX1
INPUT
+/~
AUX2
INPUT
-/~
+/~
AUX3
INPUT
-/~
+/~
AUX4
INPUT
-/~
+/~
-/~
+/~
AUX6
INPUT
AUX5
INPUT
-/~
0VDC
25
29
30
33
35
36
39
40
43
44
47
48
31
32
34
37
38
41
42
45
46
49
50
+/~
-/~
OVERRIDE
INPUT
VFD 1
RELAY
VFD1
EXHAUST
9
XTP1
VFD 2
RELAY
VFD2
0VDC
22
+24VDC
21
0-10V
18
0VDC
17
0-10V
14
0VDC
13
0VDC
10
+24VDC
9
DRAFT
INPUT
ALARM
RELAY
6
5
0-10V
4
AUX3
RELAY
0VDC
3
AUX6
RELAY
AUX5
RELAY
AUX4
RELAY
AUX2
RELAY
AUX1
RELAY
ALARM
RELAY
SUPPLY
120VAC
60Hz
L1
N
1
2
0-10V
Fig. 9
XTP2
INTAKE