DELTA M Corporation
3242-OM-04 3/27/02
12
10
9
8
7
6
5
4
3
2
1
NO
CO
N
NO
CO
N
-
+
C
NO
NC
SAFETY GND
POWER
WIRING CONNECTIONS (NOTE 4)
TBB
6
5
4
3
2
1
HOT
SENSOR
TBA
SAFETY GROUND
TERMINAL BLOCK
LOCATIONS
TBB
TBA
INSTRUMENT HEAD
WITH COVER
REMOVED
TO SENSORS
DRAWING FILE: MTF600.DWG/.FCW
COLD
SENSOR
C
NO
NC
RELAY
N
H
C
N
O
N
C
N
C
C
N
O
POWER
REL1-1
REL1-2
-
+
1
1
(NOTE 3)
(NOTE 2)
(NOTE 1)
(DPDT)
N
H
CAUTION
USE SUPPLY WIRES SUITABLE
FOR 10 DEG. C ABOVE AMBIENT
3.2 Electrical
Installation
3.2.1 microtuf
®
Local Electronics (LE Option/Standard)
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 Figure 6.0. Reinstall the
microtuf
®
Switch electronics and tighten the captive screws.
FIGURE 6.0 microtuf
®
SWITCH LOCAL ELECTRONICS FIELD WIRING DIAGRAM
(MTF600FCW/.DWG)
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), cpositive 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.
