operation - Lattner Boiler
operation - Lattner Boiler
operation - Lattner Boiler
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8<br />
b. Following the appropriate wiring diagram, (refer<br />
to page 9) based on your application requirements,<br />
and using BX armored cable or Thinwall<br />
electrical metal tubing connector fittings, make<br />
electrical connections to the junction box (L).<br />
Snap Switches (Series 150S and 157S)<br />
L<br />
PUMP<br />
SWITCH<br />
PUMP<br />
CIRCUIT<br />
TERMINALS<br />
ALARM<br />
CIRCUIT<br />
TERMINALS<br />
LOW WATER<br />
CUT-OFF<br />
TERMINALS<br />
L<br />
PUMP<br />
SWITCH<br />
LOW WATER<br />
CUT-OFF AND<br />
ALARM SWITCH<br />
Automatic Reset<br />
(All models except 158S and 159S)<br />
PUMP<br />
CIRCUIT<br />
TERMINALS<br />
ALARM<br />
CIRCUIT<br />
TERMINALS<br />
L<br />
MOTORIZED<br />
VALVE<br />
SWITCH<br />
LOW WATER<br />
CUT-OFF<br />
TERMINALS<br />
MOTORIZED<br />
VALVE<br />
TERMINALS<br />
LOW WATER<br />
CUT-OFF AND<br />
ALARM SWITCH<br />
Manual Reset<br />
(All models except 158S)<br />
Mercury Switches (Series 150 and 157)<br />
L<br />
PUMP<br />
SWITCH<br />
PUMP<br />
CIRCUIT<br />
TERMINALS<br />
ALARM<br />
CIRCUIT<br />
TERMINALS<br />
LOW WATER<br />
CUT-OFF<br />
TERMINALS<br />
(All models except 158<br />
and 159)<br />
CUT-OFF<br />
AND ALARM<br />
SWITCH<br />
L<br />
ALARM<br />
CIRCUIT<br />
TERMINALS<br />
1 2 3 4 5 6<br />
LOW WATER<br />
CUT-OFF<br />
TERMINALS<br />
Automatic Reset<br />
Model 158S<br />
TO<br />
ELECTRIC<br />
VALVE<br />
L<br />
TO<br />
LOW WATER<br />
ALARM<br />
PUMP<br />
SWITCH<br />
1 2 3 4 5 6<br />
LOW WATER<br />
CUT-OFF AND<br />
ALARM SWITCH<br />
PUMP<br />
CIRCUIT<br />
TERMINALS<br />
TO<br />
LOW WATER<br />
CUT-OFF<br />
ALARM<br />
CIRCUIT<br />
TERMINALS<br />
IMPORTANT: There must be<br />
a minimum space of 1/2”<br />
(13mm) between connector<br />
fittings and electrical live<br />
metal parts.<br />
L<br />
PUMP #1<br />
SWITCH<br />
LOW WATER<br />
CUT-OFF<br />
TERMINALS<br />
Manual Reset<br />
Model 158S-M<br />
L<br />
PUMP #1<br />
CIRCUIT<br />
TERMINALS<br />
LOW WATER<br />
CUT-OFF AND<br />
ALARM SWITCH<br />
PUMP #2<br />
CIRCUIT<br />
TERMINALS<br />
Automatic Reset<br />
Model 159S<br />
NO. 1 PUMP<br />
CIRCUIT<br />
NO. 2 PUMP<br />
CIRCUIT<br />
1 2 5 6<br />
Model 158 Model 159<br />
PUMP #2<br />
SWITCH
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