Table of Contents
Advertisement
A
c*rncAl
rNsrALLATroN
wARNTNGs
.
lnstall in recreation vehicles only.
RV's
are recreation vehicles
designed
as
temporary living quarters
for
recreation, camping, or
travel
use
having their own power or
towed
by another
vehicle.
.
All combustion air must be supplied from outside
the
RV and
all
products of combustion must
be
vented
to
outside
the
RV.
.
Do
Nor
vent water heater with venting system serving another
appliance.
.
Do
Nor
vent water heater
to
an outside enclosed porch
area.
.
Protect building materials from flue gas
exhaust.
o
lnstall water heater on an exterior wall,
with
access
door
opening to
outdoors.
.
Do
Nor
modify water heater in
any way.
.
Do
Nor
alter water heater
for
a positive grounding
systern.
.
Do
Nor Hl-POT water heater unless electronic ignition system
(circuit board) has been disconnected
(DC Hi-Pot).
.
Do
Nor
use
battery charger
to
supply power
to
water heater
even
when testing.
USA
AND
CANADA
.
FOLLOW
ALL
APPLICABLE STATE
AND
LOCAL CODES
-
IN
THE
ABSENCE
OF LOCAL CODES OR HEGULATIONS,
REFER
TO
CURRENT
STANOARDS
OF:
.
Recreation Vehicles ANSI
A1
1
9.2/NFPA
501 C.
.
National
Fuel Gas Code ANSI
2223.1 andlor
CAN/CGA
B149 lnstallation
Codes
.
Federal
Mobile Home Construction
&
Safety Standard, Title 24
CFR,
part
3280, or when
this
Standard is not applicable, the Standard
for
Manufactured
Home lnstallations (Manufactured Home Sites, Communities and Set-Ups),
ANSI A255.1 and/or
CAN/CSA-2240
MH Series, Mobile
Homes.
.
National Electrical
Code ANSIiNFPA
No. 70
andior
CSA
C22.1
.
Park
Trailers
A1
19.5
.
CSA
standard 2240
RV
Series,
Recreational Vehicle.
G
ElI
ERAI
ITI
STATLATIO]I
This
is
a common installation for water heaters.
There are
other
approved methods such as Baggage Compartment
(MPD 90093) and
Flush Mount
(MPD
93948) installations. Consult with
your
Field
Auditor,
Account
Manager,
or the
Atwood
Service Department if
you
have additional questions.
1. Locate water heater on
floor
of coach before erecting side
walls.
The water heater tank must be permanently supported at the
same
level
as
the
bottom
of sidewall
cutout
(by
the
floor
or a raised floor)
nc
2.
Provide
adequate clearance at
rear
of unit for service of water
connections.
2. To
insiall water heater on carpeting, you must install appliance on
a
metal or
wood
panel
that
extends at least three inches beyond the
full
width
and depth
of
appliance.
3. lf the appliance is installed where connection or tank
leakage
will
damage adjacent area, install a drain pan (which can be drained to
out side
of
coach) under water
heater.
WIRlNG
All
wiring must comply with applicable electrical
codes.
COMBINATION GAS/ELECTRIC
M0DELS
are
designed
to
operate
with
gas,
electricity, or
a
combination of
both.
.
Use
electrical
metallic
tubing, flexible metal conduii, metal
clad
cable, or nonmetallic-sheathed cable with grounding conductor.
Wire
must
have a
capacity
of
1400
watts or
greater. The
wiring
method
must conform
to
applicable sections of article 551 of
National
Electrical Code ANSI/NFPA
70.
1. Refer
to
Witing Diaglam
(FrG
12).
Make
120 VAC electrical
connections from junction box on back of
unit.
a.
Connect hot
lead
to
(1)
Black.
b. Connect common
lead
to
(2)
White.
c. Connect ground
wire
from electrical
service
to
(3)
green ground
lead in
junction box
3.
A
cor,o*
PRODUCT DAMAGE
.
When using
Romex@
with
a bare earth ground, take
care
to
position
wire so it does not contact the heatinq element terminals.
.
When a
cord and plug connection to the power supply
are used on
water
heater,
power cord must be
UL
listed
as
suitable for damp
Iocations,
hard
or extra hard
usage.
lt
must
be
a
flexible cord
such
as
type
S, SO,
SI
STO, SJ,
SJT,
SJTO,
HS
or
HSO
cord
as described
in
National
Electrical Code, ANSI/NFPA 70. The
length of
external
cord
to
water
heater, measured
to face of attachment plug, shall
be
no less
than
2
feet nor
more
than
6
feet. Supply cord must
be
a
minimum
of
14
AWG and attachment
plug
must be rated
at
15
amps.
A
cou,o*
ELECTRICAL
DAMAGE
.
Label all
wires
before
disconnecting when servicing
controls.
.
Veri
operation after
servici
ELECTRONIC
IGNITIOT'I
norE:
lt
is
recommended unit
be
connected directly to a
12V
DC
battery
or
to filtered side of
an
AC/DC
converter.
Avoid connections to
unfiltered side of
an
ACIDC converter whenever possible.
Use
a
minimum of
1B
gauge
wire.
UL
and
CSA listed.
1. Refer
to
Witing
Diagram
(Frc
12).
lnstall
remote
switch
in
a
convenient location. Position wall
plate
with letters up.
Before
making connections turn switch
0FF.
2. lnstall
wires see
FtG
10
&
1
1.
PIL0T
RELIGHT
-
rrc
12
1. Install unit
according
to
GENERAL INSTALLATION
instructions.
2.
Refer
to
Wiring
Diagram.
Use
18
gauge
wire.
Ul-yCSA listed.
3.
Read
PIL0T
&
PILOT RELIGHT 0PERATIONS.
HEAT EXCHANGE
MODELS
-
no
5
1. Push a
5/S"
diameter coolant system
hose (5-A)
lwith
SAE 053 A
Type
"E"clamp attachedl onto
heat exchanger
tube
(5-B)
making
a
tight
connection.
2.
Spread
hose
clamp and slide toward
heat
exchange unit
past
annular
groove
(5-C)
and
release.
3. Continue
to
HOW
T0
0PERATE
Y0UR
WATER HEATER
and/or
Electronic
lgnilion
0PERATI0N.
CONTINUE GENERAL INSTALLATION
4. Connect
bolh
1/2" NPT
water lines
(rro
2) hot water outlet
female
and
cold
water inlet female and
3/8"flared
LP
gas
line
to the water
heater
(rrc
9).
a.
Allow flexibility
in
water and gas
lines
so you can pull unit
forward through wall one inch past
skin.
b. Seal gas
line
entrance opening (rtc
9)
by sliding grommet
(9-B)
onto
3/8"
tubing
(9-D)
before flaring
tubing
(9-E).
Pull gas line
and
grommet through opening
in
housing
(9-A).
Connect
flare
fitting
(9-C)
and press grommet into opening. lf gas
line
tubing
is
already flared, cut grommet on one side. Place
split
grommet
over gas
line
and press
it
into opening.
c. Always use pipe lubricant on threads when connecting hot
and
cold
water couplings. A suitable plastic
fitting
is recommended.
CAUTION
DAMAGE
.
Do
not
lift, pull, push
or
misalign main burner
tube
(rtc
3-F).
5.
Erect
side walls and
cut
opening.
See
chart and
FrG
1.
Frame
with
2x2
lumber
(or equivalent).
CUTQUT(Frcl&2)
CAPACITY
CUT
OUT
DIMENSION
DEPTH
Gallon
4-O
'10
1-A
12-5/g
1-B
2-C
16-1
/4'
15-3/4'
16-1/4'
MINIMUM
CLEARANCE
FROM
COMBUSTIBLE
CONSTRUCTION
Sides: A'
Top:
U'
Back: U'
Bottom:
tr
6.
Bend all flanges
90"
along scored lines (rto
3-A).
7. To
prevent water
leaks
caulk thoroughly around opening, including
bend
slots.
Butyl
Tape
(1-1/5'x1/8)
may be substituted for caulking
material.
I
/ -5/d
20-5/8"
Hide quick links:
Advertisement
Table of Contents
