Cambridge Engineering, Inc. 4 S-Series Technical Manual
HEATER CONFIGURATION
PORT FOR MEASURING
MANIFOLD PRESSURE
MODULATING GAS VALVE
SAFETY SHUT-OFF VALVE
HIGH LIMIT
LEAK TEST PORT
DISCHARGE TEMPERATURE SENSOR
DISCHARGE AIR TEMPERATURE
DAMPER BLADES
DAMPER MOTOR
ELECTRICAL CONTROL
ENCLOSURE
SHUT-OFF VALVE
SAMPLING BOX
HINGED ACCESS DOOR
REGULATOR
MANUAL SHUT-OFF VALVE BURNER VIEWPORT
BURNER ASSEMBLY
IGNITER & FLAMEROD
Cambridge S-Series Blow-Thru
®
heaters are utilized
to meet the space heating requirements of commercial
or industrial buildings. The control system is typically
designed to cycle the heaters on and off in response to
the rise and fall of the space temperature. The heater
will discharge air at the temperature selected (up to
160ºF). The operating thermostat is typically located
near the perimeter of the building in a location which
is out of the direct path of the heated discharge air,
insulated from cold surfaces, and shielded from cold
drafts created by air infiltrating the building.
TYPICAL SYSTEM OVERVIEW
HEATER OPERATION
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