Hatco Sanitizing Sink Heaters Food Rethermalizers/Bain-Marie Heaters Hatco 3CS2 - Manual (Page 10)

INSTALLATION
8 Form No. HHM-1103
CAUTION
Do not overtighten unions or nuts. Overtightening
may cause leaks.
NOTE: A 3/4" (19 mm) hose or pipe may be connected
to the heater sump drain and run to an open sight drain.
The sump drain should not be permanently connected
to the sanitary drain system. Check local plumbing code
for proper drain installation. See MAINTENANCE
for more information.
NOTE: Units exposed to movement, such as shipboard
installations, must be stabilized before operating.
Two anti-sway anchor points are located on the bottom-
center of the unit. Attach stabilization hardware
to these points using the 8/32" screws supplied.
CAUTION
Water Quality Requirements - Incoming water
in excess of 3.0 grains of hardness per gallon (GPG)
(.75 grains of hardness per liter) must
be treated and softened before being supplied
to a Hydro-Heater. To maintain efficiency
and to extend the operating life “regular deliming
and cleaning” must be performed when water
supplied contains over 3.0 GPG (.75 GPL).
CAUTION
To avoid any damage to units with Auto-fill,
do not exceed the following:
Incoming Water Temperature: 140°F (60°C)
Incoming Water Pressure: 80 PSI (550 kPa)
AUTO-FILL
Units equipped with Auto-fill require the following
steps be completed before start-up.
WARNING
For proper plumbing installation conforming
to local plumbing codes consult a licensed
plumbing contractor.
1. Supply 1/4" NPT copper water supply line to inlet
of solenoid valve on heater.
NOTE: Ball valve or gate valve, line strainer, union(s)
and vacuum breaker or other anti-siphon device must
be supplied by table manufacturer or installer
if required.
2. Locate a point on the sidewall of the water vessel
which is 1/2" (13 mm) up from the bottom
of the food pan(s).
3. Mark and drill a 1/2" (13 mm) hole into the side
wall of the tank.
4. Deburr the hole. Burrs may crack or damage
the probe when tightened.
5. Position upper water sensor into tank with o-ring
against inside wall.
6. Place washer onto threads of probe on outside wall
of tank.
7. Secure all with nylon nut, making sure flat side
of nut is towards washer.
8. Tighten until snug. Be careful not to overtighten
nut. Overtightening may cause leaks and/or crack
the probe.
9. Turn on water and check for leaks.
10. Connect wire lead to probe.