4
CONTROLS
Controls
–
All basic controls and terminals are
located in an integral ventilated control cabinet,
factory wired and functionally tested. Controls
include Class K fuses with 50,000 ampere
interrupting capacity, magnetic contactors UL
Listed for 100,000 cycles, 120V control
transformer with primary fuses, low water cutoff,
operating controller, automatic reset high
temperature cutout, and control circuit lighted
switch.
Low Water Cutoff
–
In the event of a low water
condition, low water cutoff interrupts control
circuit to protect elements from damage caused
by overheating.
Automatic Reset High Temperature Cutout(s)
–
De-energizes control circuit in the event of a
high temperature condition.
Control Circuit Lighted Switch
–
De-energizes
control circuit (not main power).
Operating Controller
– Maintains water
temperature at predetermined setting.
Pressure Relief Valve
– Vents pressure to
atmosphere in the even of high pressure in
excess of relief valve setting.
Pressure/Temperature Gauge
– Combination
gauge provides visual indication of water
temperature and pressure. Mounted on outlet
pipe.
Optional Accessories
– Optional built-in or
remote accessories may be included as called for
in job specifications. Instructions covering
adjustments and servicing of these accessories
are supplied with the unit.
