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CONTEMPORARY WATER COOLERS
I N S TA L L AT I O N / M A I N T E N A N C E I N S T R U C T I O N S
7109-700-001
WATER COOLERS
MURDOCK MFG. •
15125 Proctor Avenue • City of Industry, CA 91746 USA
Phone 800-453-7465 or 626-333-2543 • Fax 626-855-4860 • www.murdockmfg.com
Member of
Please visit
www.murdockmfg.com
for most current specifications.
TROUBLE SHOOTING:
1. IF LIGHT WITHIN SENSOR DOES NOT FLASH ONCE WHEN USER IS WITHIN RANGE:
a. Verify 120VAC input & 9VDC output of transformer/battery pack output 9VDC.
b. Replace defective transformer/batteries.
c. Transformer polarity crossed. Replace transformer sensor may be damaged
and also need replacement.
d. Sensor in “Security Mode” after 30 seconds of constant detection. Remove source of detection
and wait 30 seconds before checking.
e. Sensor is picking up a highly reflective surface. Eliminate cause of reflection and wait 30 seconds
before checking.
F. Replace defective sensor.
2. IF LIGHT WITHIN SENSOR LENS FLASHES ONCE WHEN THE USER IS WITHIN RANGE:
a. Repair bad connection from sensor to solenoid.
b. There is debris or scale in the solenoid assembly. Remove solenoid, pull out plunger and spring.
Clean with scale remover solution.
c. There is debris or scale in center or two holes in convolution of the water diaphragm. Remove and
clean.
3. RESTRICTED OR NO WATER FLOW
a. Ensure Water Supply service stop valve is fully open.
b. Verify minimum 20 psig supply line flow pressure.
c. Check for twist or kinks in spout tubing.
d. Check the water inlet “Y’’ strainer. Sediment from the main supply can get trapped in the screen
along with installation materials such as pipe dope and flux. The screen should be cleaned and
checked on a regular basis and replace if needed.
e. Flow control in solenoid valve outlet elbow clogged remove & clean.
f. The water cooler may also develop a freezing condition in which the water will become frozen inside
the evaporator coil. This indicates a refrigeration problem or thermostat failure in which case the
water cooler needs to be checked by a qualified technician.
g. Low or dead batteries.
j. No power to transformer connections loose or wires cut.
CLEANING & MAINTENANCE GUIDE:
1. To remove water spots or rust spots, stainless steel cleaner/polish on a cloth is recommended.
2. If there are stubborn spots or if you wish to treat a scratch, synthetic abrasive general purpose pads
such as scotch brite are recommended.
3. Apply stainless steel cleaner/polish to the synthetic abrasive pads and carefully rub the panel with
the grain.
4. Do NOT use harsh chemicals, abrasive or petroleum based cleaners. Use of these will
void the Acorn Engineering warranty. DO NOT use abrasives on powder coated units.
5. Stainless steel should be kept clean at all times. If a coating of stainless steel cleaner/
polish is maintained, stainless steel surfaces will retain their new, clean, polished appearance
indefinitely. Use clean mild soapy water for powder coated units.
6. Periodically remove access panel of cooler and clean out inline “Y’’ strainer. If battery powered,
replace batteries if needed. Remove top to access battery holder.
7. Low battery is indicated when light within sensor lens flashes multiple times, when activated.
MCBF2 (Install/Maintenance Instructions)
Date:
04/03/18
