Titus Electric Heat IOM - Manual (Page 6)

(OPTIONAL)
MANUAL RESET
THERMAL HI-LIMIT
(TYP)
YEL BRN
RED
BRN
YEL
RED
CONTACT
HEAT
YEL
BLK
AUTO RESET
BLK
P.E. SWITCH
NO
NC
STEP 2
COM
SEE NOTE 5
DISC SW
WHT
G
OPTIONAL
BLK
CONDUCTOR ONLY
USE COPPER
2P-TB USED W/DISC. ONLY
YEL
LINE
(OPTIONAL)
BRN
RED
C NO
AFS BLK
BRN
RED
YEL
FUSE
TERM.
OR
TO CONT. N
P.E. SWITCH
COM
NC
NO
STEP 1
BLK
N
L3
L2
L1
N
Auto-Reset
Servicing Unit.
Disconnect Power Prior To
Electrical Shock May Result.
Caution:
W
hi
te
#
12
Conductors Only.
Use Copper
Optional Disc Switch
Term Block Or
{
Note:
Supply
Power
480V
N
Yellow #12
W
hi
te
#
12
Red #12
Brown #12
W
hi
te
#
12
R
ed
#1
2
B
ro
w
n
#1
2
Y
el
lo
w
#
12
L3
L2
L1
Yellow #12
Red #12
(Optional)
Line Fuse
Brown #12
White #18
Black #18
Stage 3 Stage 2 Stage 1
Heat Contactor
B
la
ck
#
18
White #12
Black #18
Heat Contactor
Br
n
#1
2
Black #18
Heat Contactor
R
ed
#1
2
Y
el
#1
2
Auto-Reset (Typ)
Thermal Hi-Limit
Blk #18
Yellow #12
Brown #12
Red #12
Blk #18
R
ed
#1
8
Reset (Opt)
Manual
Black #18
N.O.
AFS R
ed
#1
8
COM
Yellow #18
24VAC
Transformer
Blue #18
}
Step 3
Common
Step 2
24VAC
White #18
Brown #18
Black #18
Red #18
Blue #18
Step 1
Yellow #18
Figure 8.
Typical Single Duct Terminal, Field Mounted Controls
Electric Reheat, 480V, 3φ, 3 Stage, 3 Element
Figure 9.
Pneumatic Single Duct Terminal
Electric Reheat, 480V, 3φ, 2 Stage, 3 Element
EHeat-IOM-6.0 6-1-01