Crafco EZ 500 Series II, Manual

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EZ 500 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-6
GR
N
PR
P
BL
U
RED-3
BLK-5
GRY-2
BLK-5
GRY-2
PNK-3
GR
N
PR
P
BL
U
GRY-3
ORN-2
BLK-1
BLK GND
PNK-2
GRY-1
WHT/GRN-4
WHT/GRN-5
ORN-1
BLK-4
GRN BRNR
BL
K-
1
GR
Y-
1
OR
N-
1
PN
K-
2
OR
N-
1
OR
N-
1
BL
K-
4
WHT/BLK
WHT/BLK
WHT/GRN-1
WHT/GRN-2
WH
T/
BL
K
WH
T/
BL
K
W
HT
/G
RN
-5
WH
T/
GR
N-
4
RE
D-
LI
D
BL
K-
GN
D
GR
N-
BR
NR
RE
D-
2
OR
N-
2
OR
N-
2
BL
K-
5
GR
Y-
3
GR
Y-
2
WHT/GRN-1
WHT/GRN-2
HOSE
51691
MATERIAL
51672
51836 51835 51834 43984 44978
HOT OIL
43391
MAT'L HOSE
MOUNT SWITCH
NOTCH DOWN
OIL RTD
SENSOR
(1.08k
ohms @
70°)F)
MAT'L RTD
SENSOR
(1.08k ohms
@ 70°)F)
BLACK 14 GA.
W
H
IT
E
BURNER
SOLENOID
BURNER PLUG
RED (12vdc)
12 GA.
14 GA.
-
+
BATTERY
(12vdc)
14 GA. 14 GA.
GROUND
TO OIL
PRESSURE
SWITCH
RED
GRN-BRNR
W
H
T-
R
E
D
WH
T-
RE
D
CIRCUIT
BREAKER
t °
t °
Fig. 8.1 Diesel Burner Schematic