SAFEGUARD POWER SOLUTIONS
output continuously for 5 minutes.
o After 5 minutes, if no flow is detected, HUGO will turn off AC output.
This feature will prevent frequent restart cycle of tankless water heaters and will allow
users to freely turn the faucet on/off in between water usage.
Note: when tankless water heater is restarting, some models may experience minimized or
stopped water flow, this is due to servo valve inside the tankless water heater is closed.
Once tankless water heater completes its restart cycle, full flow will resume. If at any time
the water flow has stopped and does not return to full flow within 30 seconds, unplug the
temp.flow port to force HUGO to provide power to the tankless water heater. Once the
tankless water heater restarted completely, push in the “temp.flow” port again to resume
water sensing operation.
• When the supply 12v sealed lead acid battery is not fully charged, the third LED light (batt. Lim)
will continue to blink amber. When city power restores and HUGO is charging the battery, this
light will be a steady amber. Once battery is fully charge, this light will be off.
When the supplied battery drops below 20% of its full capacity, HUGO will sound the
audio alert by 2 chirps and 1 pause, after 2 seconds the audio alert will be off. At the
same time, the “batt.lim” LED light will blink twice then pause and continue to blink this
sequence until HUGO is connected to a power source or when city power restores.
• The fourth LED light “Fault” will be steady red when the following occurs:
o The battery is no longer holding a charge, a replacement is needed. Refer to “Protection
– Battery Under Voltage Protection” in section 13 below.
o The downstream appliance connected to HUGO has reach above 350W, remove the load
and HUGO will auto reset. Refer to “Protection – Overload or Short Circuit Protection” in
section 13 below.
• When city power is restored after a power outage, HUGO will start charging itself and reset to
utility power mode after 10 minutes. This time delay will allow power grid to become steady to
avoid possible spikes that may harm appliances.
STORAGE AND TRANSPORTATION
Retain the packing box and packing materials. The UPS is a sensitive piece of power equipment.
When storing or transporting, place the unit back into the original packing box to avoid any
damage from moisture, dust, dirt, or chemical corrosion.
MAINTENANCE AND TROUBLESHOOTING
1. Maintenance
• Upon successful installation of the unit, user shall visit the manufacture’s website
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