14
Form No. 3CSFRM-0118
English
OPERATION
Energy Cut-Off Switch (ECO)
All Hatco water heaters have a built-in Energy Cut-Off switch
(ECO) that will shut “OFF” the power if the unit should overheat.
If the Energy Cut-Off switch has activated, a low water level
may be the cause. To continue operation the unit needs to be
reset.
To reset FR Models:
• Fill to the proper water level. Push the high temperature
limit switch on the front of the heater.
To reset 3CS Models:
• Fill to the proper water level. Turn the Power ON/OFF (I/O)
switch to OFF (O) position and then to the ON (I) position.
NOTE: The ECO on FR Models does not protect the heater
when both reservoirs are drained. The optional low-
water cut-off (LWCO) system disconnects power to the
heating elements if water is drained.
NOTE: The ECO on 3CS Models does not protect the heating
elements when both reservoirs are drained. Dry firing
of unit will damage the heating elements and is not
covered under warranty.
WATER HEATER
ON
OFF
Fill sink before turning power on.
Drain and clean heater daily
U.S. PAT. NOS. 3291965 3636308
HATCO CORP. MILWAUKEE, WI U.S.A
POWER
ON
WATER AT
TEMPERATURE
150
170
190
Water
Temperature
Control
Power ON/OFF (I/O)
Toggle Switch
High
Temperature
Limit
Switch
Control Panel (FR Model shown)
General
Use the following procedures to operate a water heater.
WARNING
Read all safety messages in the IMPORTANT SAFETY
INFORMATION section before operating this equipment.
BURN HAZARD:
• Water in holding vessel may reach temperatures in
excess of 190ºF (88ºC). Use appropriate protection
when operating unit.
• Units are designed to heat water up to 190ºF (88ºC). DO
NOT set temperature controls to a setting higher than
190ºF (88ºC). Water over 190°F (88°C) is very active and
could splash onto operator causing serious burns or
injury.
Do not add cold food for rethermalizing while holding
hot food. The hot food will not maintain proper serving
temperature.
NOTICE
Make sure a minimum of 0.5 gallons (2 liters) of water is in
unit before plugging in or operating. Operating unit with
less than 2 liters of water will cause unit to overheat.
Startup
1. Check that the fused disconnect switch or circuit breaker
is on, or if equipped with power cord and plug make sure
unit is plugged into a properly grounded receptacle of
the correct voltage, size, and plug configuration. See the
SPECIFICATIONS section for details.
2. Make sure that the drain cap is securely tightened to the
heating chamber drain.
3. Close sump drain by moving the drain handle toward the
front of the unit until it stops.
4. Fill the sink or holding vessel with hot tap water to the
normal operating level.
NOTE: FR Models should be installed with a perforated water
baffle (not supplied with unit) to distribute the heated
water properly. The baffle should be 3/4″ (19 mm) high
with a divider wall between the inlet and outlet. The
baffle should also have 3/4″ (19 mm) holes around the
periphery every 6″ (152 mm).
5. Move the Power ON/OFF (I/O) toggle switch to the ON (I)
position.
• The POWER ON light will glow indicating power is
supplied.
6. On FR Models, set the water temperature control to the
desired temperature.
7. Wait until the water reaches the desired temperature.
• FR Models: The WATER AT TEMPERATURE light will
glow when water is at the control temperature.
• 3CS models: An optional WATER AT TEMPERATURE
light or an optional temperature monitor can be used to
determine when a sanitizing temperature is reached.
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