Operator`s manual

PUREHEAT SAFETY CONTROLS
LOW LEVEL SHUTDOWN DEVICE
(P/N E100-198)
NOTE: CONTROL IS SHOWN IN A NON-POWERED STATE
V. 2, Rev. 09/01/06
A - 18
© 2006 Ground Heaters, Inc.
B
H
W
N
C
110 VOLTS FROM CIRCUIT 1
110 VOLTS FROM CIRCUIT 2
TO RELAY COILS K-1 & K-2
LOW LEVEL
LOGIC MODULE
N.O.
N.C.
LOW LEVEL DEVICE INTERNAL SCHEMATIC
GREEN LED
RED LED
SENSOR
(PROBE)
FUSE 3
2 AMP
B
H
W
N
C
BLK
LOW LEVEL
SENSOR
GRN
HYDRONIC
HEATER SHELL
REFER TO SECTION
5.2.1.2 FOR
DETAILED TESTING
INSTRUCTIONS
RESET
TEST
PROBE
CONNECTION
LOW LEVEL
LOW LEVEL SHUTDOWN DEVICE CONTROLS
AND INDICATOR LIGHTS LOCATION ON THE
BOTTOM OF THE DEVICE.
TEST
RESET
POWER LOW WATER
WIRE COLORS
BLK = BLACK
WHT = WHITE
BLU = BLUE
ORG = ORANGE
RED = RED
GRN = GREEN
ORG
RED
WHT
BLK
1
4
17
26
ORG
RED
WHT
BLK
1
4
17
26