Fuses; Sample Pump; End-Of-Line Water Stop (Optional); Water Trap (Optional) - Bacharach HGM-SZ Installation & Operation Manual

Single zone gas monitors

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Single Zone Gas Monitor

4.5. Fuses

The SZ monitor is protected from electrical damage by two, 1 A, 250 V, type "F" fuses (page 11).

Carefully remove the fuses from their fuse clips and visually inspect each fuse for damage. Replace the

fuses as required (P/N 0004-2620).

The Sample Pump (page 11) draws the gas sample into the monitor, through the IR detector, and

discharges the sample out the monitor's exhaust port. When replacing the pump, remove its inlet and

outlet tubing, disconnect the AC power wires from the pump itself, and remove pump from monitor. Install

a new sample pump (P/N 3015-5176).

The end-of-line water stops (P/N 3015-5512) prevent contaminates and moisture from entering the

monitor. This filter should be checked regularly and replaced when signs of contamination are obvious.

The water trap removes moisture that enters tubing before allowing it to enter the internal components of

the SZ unit. The water trap should be emptied often as condensate accumulates. The water trap filter

should be periodically checked and replaced when there are obvious signs of contamination.

The Clock Battery (page 11) maintains the correct date and time when AC power is not applied to the

monitor. Replace this battery about every 5 years (P/N 0204-0020).

P/N: 3015-4256 Rev 13

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