Sierra INNOVA 215 - Manual (Page 21)

IM-215 Rev-A.1 Series Innova-Switch™ Page 21 of 42
CAUTION: Use supply wires suitable
for 10°C above surrounding ambient.
DM # 101654
GNDEARTH
1 2 3 4 5 6
N H C N
O
N
C
N
C
C N
O
POWER REL1-1 REL1-2
- +
RELAY CONTACTS
POWER
SHIELDS
FLOATING AT
THIS END
3 TWISTED
SHIELDED PAIRS CABLE
SHIELDS CONNECTED
TO TERMINAL 5 AT
THIS END
REMOTE ELECTRONICS
FILTER CONN PLATE
(CE OPTION)
6 5 4 3 2 1
REMOTE PROBE
HOT
SENSOR
COLD
SENSOR
TBB
TBA
3.2 Electrical Installation
3.2.3
CE Option Filter Board Connector Plate Wiring (CE Option)
Remove the instrument enclosure lid by unscrewing in a counter clockwise direction.
Unscrew (CCW) the printed circuit board captive screws (See Figure 4.0 for
locations). Remove the PC board by grasping the transformer and pulling it straight
out. Connect power and alarm relay wiring to Terminal Block (TBB) as shown in
Figures 6.0 and 6A. Reinstall the Innova-Switch™ Switch electronics and tighten the
captive screws.
FIGURE 6A Innova-Switch
™ SWITCH REMOTE ELECTRONICS FIELD WIRING
DIAGRAM
NOTES:
1. Connections to sensors terminal block A (TBA) are factory installed and should
not be disconnected in the field. Note Jumpers 1-2, 3-4, and 5-6 must be in
place on TBA for proper operation of local electronics.
2. For 24 VDC operation (factory prepared), connect +positive to TBB7 and –
negative return to TBB8. For 115 VAC or 230 VAC connect hot to TBB7 and
neutral to TBB8.
3. Connect ground wire to ground screw located in or on the instrument enclosure.
4. Use supply wires suitable for 10 Degree C above ambient.
*IMPORTANT*
A GROUND WIRE MUST BE ATTACHED TO THE GROUND SCREW
LOCATED INSIDE OR OUTSIDE OF THE INSTRUMENT
ENCLOSURE FOR PROPER OPERATION.