Chapter 2. Installation/System Checkout
2-13
Auxiliary Relay Wiring
•
All wiring must be 18 AWG (minimum) to 12 AWG
(maximum).
•
Conductors must test free of all grounds and stray volt-
ages before connection to appliances, devices, and
panel.
•
All wiring is unsupervised.
•
Contact rating: 30VDC @ 2A (pilot duty, .35 power fac-
tor).
•
Each relay is selected for normally-closed or normally-
open operation. Shunt jumper setting selects desired
contact.
•
Relay 1 is programmable. Default operation is -- On
Until Reset.
•
Relay 2 is a normally energized trouble relay. The
jumper settings shown account for the relay being nor-
mally energized. When the panel is completely powered
“Off”, the trouble relay will be in the “Off Normal”
state.
Figure 2-15 Auxiliary Relay Wiring
TB1
JUMPER
CENTER
JUMPERS TO SELECT NORMALLY OPEN
OR CLOSED RELAY CONTACTS.
NORMALLY CLOSED (JMPR RIGHT)
NORMALLY OPEN (JMPR LEFT)
TB2
AUX.
RELAY
TBL.
RELAY
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
6
7
8
TB3
MAIN SYSTEM BOARD - ADDRESSABLE (MSB - A)
J
U
M
P
E
R
C
E
N
T
E
R
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