Install Instructions

2
Electrical Ratings
Models with 5 or 5-M Switch
Models with 7B or 7B-M Switch
Approximate
Distance Above
Cast Line Differential
Setting In. (mm) In. (mm)
Pump Off 2
3
/16 (56) 1
1
/16 (27)
Pump On 1
1
/8 (29)
Burner On 1
3
/8 (35) 1
3
/8 (35)
Burner Off 0
Switch Settings
Values are ±
1
/8 ” (3mm)
NOTE: Due to the slower operation of some
motorized valves, complete valve opening or
closing may occur at slightly different
levels than indicated above.
Models with 5 or 5-M Switches
Approximate
Distance Above
Cast Line Differential
Setting In. (mm) In. (mm)
Valve Full 2
3
/16 (56) 1
1
/16 (27)
Closed
Valve Full 1
1
/8 (29)
Open
Burner On 1
3
/8 (35) 1
3
/8 (35)
Burner Off 0
Models with 7B or 7B-M Switches
OPERATION
Maximum Pressure:
Series 93/193: 150 psi (10.5 kg/cm
2
)
Series 94/194: 250 psi (17.6kg/cm
2
)
PUMP
OFF
BURNER
OFF
BURNER
“CUT-OFF LEVEL”
AT CAST LINE
2
3
/16"
(56mm)
PUMP OFF
PUMP ON
(27mm)
1
1
/16"
BURNER
“CUT-OFF LEVEL”
AT CAST LINE
BURNER OFF
(35mm)
BURNER ON
1
3
/8"
BURNER
“CUT-OFF LEVEL”
AT CAST LINE
BURNER OFF
(35mm)
BURNER ON
1
3
/8"
MOTORIZED
VALVE
CLOSED
BURNER
OFF
BURNER
“CUT-OFF LEVEL”
AT CAST LINE
2
3
/16"
(56mm)
MOTORIZED
VALVE
CLOSED
MOTORIZED
VALVE
OPEN
(27mm)
1
1
/16"
Pump and Burner Switch Contact Ratings
Voltage Pilot Duty Only
120 VAC
345 VA
240 VAC
Switch Ratings
Burner Valve
120 VAC
345 VA 0 - 135 ohms @ 24 VAC
240 VAC