Brochure

Advanced Electronic Control
SHIELD features the ultimate water heater control which makes system setup,
service and operation a breeze. A 2-line, 16-character backlit LCD display gives
readouts of setup, system status and diagnostic information in words, not
codes. SMART CONTROL
™
also includes:
> Night Setback > Time Clock > Alarm Contacts
> Runtime Contacts > Service Mode > Last 10 Lock-Outs
Multi-Unit Installations
Th
h
e outstanding life cyc
le
e
efficiency and performance of SHIELD can se
rv
v
e the highest demand
a
ap
plications through m
a
an
ifolded installation of multiple units. For exam
pl
pl
e, five SNA500 units
w
wi
ll provide total stora
ge
e
of 625 gallons with a total maximum input of 2.
5
5
million Btu/hr.
7 Venting Options!
*Optional Concentric Vent Kit
Sold Separately
Room Air Vertical
Direct Vent Vertical
Direct Vent Vertical*
Room Air Sidewall
Sidewall
e
st demand
A
500 units
B
tu
/
hr
.
l
l
l
ma
a
ke
ke
s
s
sy
sy
t
st
st
em
em
s
s
t
et
et
up
up
p
,
Vertical W/ Sidewall Air
Direct Vent Sidewall*
Sold
Se
par
ate
ly
VENT / AIR
TERMINATION
Ver
tic
al
W/
Sid
ewa
ll
Air
Sidewall Vent
Termination
Factory Supplied
and Shipped
Standard with
Every Model