ENMET AM-5150 - Manual (Page 7)

AM-5150 ENMET Corporation
5
AC Power Supply Terminal: TB1
Label on PCB Function
110 V AC TB1 ACN Neutral
TB1 ACL Line
Ground
Screw AC GND
220 V AC TB1 ACN Neutral
Optional TB1 ACL Line
Ground
Screw AC GND
C AUTION : 110/220 V AC when applied
DC Power Supply/4-20mA
Terminal: J12
Position Function
1 + 24 V DC power
2 GND
3 4 - 20 mA out
Sensor Terminal: J8
Position Function Color
1 Heater Orange
2 Signal Blue
3 Ground 2 wires, Brown & Yellow
Figure 4: Power Terminal Connections AM-5150
3.2 Sensor Location
Gases have different densities. Some are heavier than air and concentrate at the bottom of a space. Some are lighter than air
and gather at the top. Consider the density of the gas you want the sensor to detect when you install the sensor. Some
examples are given below.
Heavier than Air Gas Sensor Location
Bottled LP (liquefied petroleum) Interior wall; 18-24" from floor.
D O N OT locate directly above or beside gas appliances (ovens,
heaters).
Avoid locating anywhere near a vent or window or near an outside
doorway.
Propane
Butane
Gasoline
Trichloroethylene
Vaporized hydrocarbons
Hydrogen sulfide
Lighter than Air Gas Sensor Location
Natural gas (methane) Near ceiling.
D O N OT locate directly above appliances where it is subject to
direct exposure to heat or steam.
Ammonia
Hydrogen
Same Density as Air Gas Sensor Location
Carbon Monoxide 4-6 feet above the (generally uniform) floor.
D O N OT locate in direct air currents of windows, doors, or vents.
If you have a question involving the location of a unit or sensor, please contact your distributor or ENMET personnel. A
technician will analyze the question and recommend a location.
Sensor Heater Voltage
Adjustment POT 4
Sensor Heater Voltage Label
Cover Inside View
Opened Upward