Bacharach HGMSZ Supplementary Manual

Also see for HGM-SZ: Product catalog Installation & operation

Bacharach HGMSZ Supplementary Manual Manual pdf 1 page image

NEW STYLE HGMSZ TECHNICAL SUPPORT NOTESFOR ALL SERIAL NUMBER STARTING WITH NU XXX AND ABOVE (JULY 2008)<4000> Zero Fault – IR Voltage out of tolerance<4200> Zero Fault and Gain set Fault<8000> Clipping Fault – Detector voltage out of toleranceFor both Zero Fault and Clipping Fault – Press the UP arrow key to locate the screen displayingthe following-SILENCE ZONE TMPSQUELCH CALPlace curser on CAL – press right arrow key and ENTER at the same time.The new screen will show the revision number. Note the revision number. Press theSILENCE/QUIT key: the next screen will display the following –DIGIPOT MODELP CAL IRPlace the curser on DIGIPOT – Press the ENTER key. The following screen will appear –NOTE – To verify correct model number, put curser on model and press enter. Standardrefrigerant – 3015-4200, ammonia – 3015-4280.DIGIPOT = XXXIR VOLT = X.XXXAdjust the IR reading using the up and down arrow until the IR VOLT = 4.245 volts or as closeas you can get it to that reading. Press SILENCE/QUIT key until you return to the screen readingPURGE.NOTE – The fault may not clear if the Digipot voltage is more then 0.15 volts away from 4.2volts.Revised 6/5/08P. M. Pape

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