Rheem PowerVent Commercial Gas Water Heater Reference manual

S
1626.docx
S
EQUENC
E
This is a
display.
T
Commu
n
port po
w
heater se
codes, a
n
temperat
u
codes).
U
heater.
The user
interacti
o
The disp
l
thermost
Tank is
f
Gas sup
p
Unit is p
l
prong pl
u
VAC.
Turn roc
k
blower t
o
Slide ga
s
the ON
p
Each ti
m
powered
random
a
(RAM),
t
and the
n
memory
Po
w
E
OF O PER
A
power vent
T
he word ‘c
n
ication bet
w
w
ered by a 2
4
t point, wat
e
n
d diagnosti
c
u
re, availab
l
U
ser displa
y
display has
o
n with the
d
l
ay is conne
c
at wire with
f
ull of water
.
p
ly is conne
c
l
ugged into
a
u
g wall soc
k
k
er switch
o
o
ON positi
o
s
control val
v
p
osition.
m
e the contro
up they tes
t
a
ccess mem
o
t
he progra
m
n
on-volatile
(EEPROM)
TEC
H
w
erVent wi
t
A
TIONS
water heate
r
ontrol’ in th
w
een the co
n
4
V transfor
m
e
r heater mo
c
s. Outputs
l
e hot water
,
y
will be pac
k
a backlight
d
isplay for a
c
ted to the
w
a maximu
m
.
c
ted.
a
3-
k
et 120
o
n the
o
n.
v
e to
ls are
t
the
o
ry
code
.
H
NICAL S
E
Technica
l
1-8
0
t
h Electron
i
r
control tha
t
is sequence
n
trol and the
m
er. Inputs
i
de of operat
include stat
u
,
diagnostic
s
k
aged with
t
that comes
o
minimum
o
w
ater heate
r
w
m
length of 1
Fill tank.
Connect ga
natural; an
d
Electrical s
o
wired pola
r
an earth gr
o
to brass scr
silver scre
w
ground.
Blower mo
t
controls all
b
lower mo
t
display.
At power
O
for heat, th
e
a self-test
d
If the self-
c
control loc
k
indications
and user di
s
E
RVICE D
E
l
Service B
u
0
0-432-837
3
i
c Control
S
t
provides t
w
will refer to
user displa
y
i
nclude wat
e
ion, error
u
s (mode,
s
and error
t
he water
o
n during
o
f 8 seconds.
w
ith 3-wire
00 feet.
s at 7” w.c
f
d
10” w.c. f
o
o
cket must
b
r
ity correct
w
o
un
d
. Black
e
w; white
w
w
; green wir
e
t
or
r
ocker s
w
power inpu
t
t
o
r
, gas valv
e
O
N and a de
m
e
control pe
r
d
iagnostic ro
u
c
heck fails, t
h
k
s out with
on the cont
r
s
play.
E
PARTME
N
u
lletin
3
S
equence of
w
o way co
m
the gas co
n
y
is achieve
d
e
r
.
f
or
o
r LP.
b
e
w
ith
wire
w
ire to
e
to
w
itch
t
s to
e
and
m
and
r
forms
utine.
h
e
r
ol
N
T
Operation
s
m
munication
s
n
trol valve.
d
through a
c
s
1
s
to a wired
u
c
ommunicat
i
u
ser
i
ons

1626.docx
“Unlock
”
pressing
arrow ke
temperat
u
exceed 1
Call for
H
Control
c
things:
1.
A
t
h
s
w
2.
A
E
s
w
The con
t
sequenc
e
entering
The har
d
require
a
cycle of
t
the hard
120V po
w
the cont
r
motor o
n
the gas c
Note: Pr
i
control i
s
b
etween
wires on
molex.
Po
w
”
the displa
y
the UP and
D
ys. Set the
w
u
re setting
n
20
0
F.
H
eat –
c
hecks for t
w
A
closed blo
w
h
ermal over
w
itch and…
A
n OPEN
E
XHAUST
p
w
itch
rol will atte
m
e
5 times be
f
into a hard
l
d
lockout wi
l
manual po
w
t
he control t
l
ockout.
w
er is passe
r
ol to the bl
o
n
the yellow
ontrol.
i
mary powe
r
s
120 VAC
the black a
n
the four po
s
TEC
H
w
erVent wi
t
y
by
D
OWN
w
ater
n
ot to
w
o
w
er
temp
.
p
ressure
m
pt this
f
ore
l
ockout.
l
l
w
er
o clear
d from
wer
wire on
r
to the
n
d white
s
ition
H
NICAL S
E
Technica
l
1-8
0
t
h Electron
i
Temperatu
r
electronica
l
Thermisto
r
bulb.
Heat icon
d
The norma
l
thermal sw
i
series
b
efo
r
switch.
If the vent
t
@180
0
F, t
h
switch will
thermal sw
i
will get an
e
In normal
o
pressure s
w
the start of
You will h
e
running.
E
RVICE D
E
l
Service B
u
0
0-432-837
3
i
c Control
S
r
e is sensed
l
ly by the
r
in the sens
i
d
isplay is on
l
ly closed
b
l
o
i
tch is wire
d
r
e the press
u
t
emp excee
d
h
en the ove
r
-
activate. IF
i
tch is OPE
N
e
rror code.
o
peration, th
e
w
itch is OPE
N
call for heat
e
a
r
the blow
e
E
PARTME
N
u
lletin
3
S
equence of
i
ng
.
owe
r
d
in
u
re
d
s
-
temp
the
N
, you
e
N
at
t
.
e
r
N
T
Operation
s
s
2

1626.docx
With the
the press
close.
The con
t
jumping
switch f
o
Pre-purg
seconds.
The con
t
sequenc
e
entering
A signal
pressure
control
v
(IF blow
e
pressure
Ignition
a
Po
w
blower run
n
ure switch
w
rol logic pr
e
this pressur
e
o
r main bur
n
e may last
u
rol will atte
m
e
5 times be
f
into a hard
l
is passed th
r
switch to th
e
v
alve.
e
r, venting,
&
switch are
a
a
ttempt
TEC
H
w
erVent wi
t
n
ing,
w
ill
e
vents
e
n
er.
p
to 30
m
pt this
f
ore
l
ockout.
r
u the
e
&
a
ll OK.)
H
NICAL S
E
Technica
l
1-8
0
t
h Electron
i
IF the exha
u
venting cre
a
b
ack press
u
b
lockage, t
h
switch will
inducing a
f
Exhaust pr
e
Breaks on
p
-.45 ± .05 i
n
The hard l
o
a manual p
o
control to c
lockout
This is the
s
energize th
e
igniter is e
n
valve is en
e
immediatel
y
begins.
Visually v
e
sparking in
s
combustio
n
Pilot flame
immediatel
y
E
RVICE D
E
l
Service B
u
0
0-432-837
3
i
c Control
S
u
st side of t
h
a
tes too mu
c
u
re due to
h
e pressure
not close
f
ault.
e
ssure switc
h
p
ressure fall
;
n
w.c.
o
ckout will r
e
o
wer cycle
o
lear the har
d
s
ignal need
e
e
igniter. T
h
n
ergized an
d
e
rgized
y
after the s
p
e
rify the igni
s
ide the
n
chambe
r
.
and main b
u
y
follow.
E
PARTME
N
u
lletin
3
S
equence of
h
e
c
h
h
:
;
e
quire
o
f the
d
e
d to
h
e
d
pilot
p
ark
i
ter is
u
rner
N
T
Operation
s
s
3

1626.docx
Flame is
There is
rectifica
t
while th
e
operatin
g
If flame
i
the Trial
turns off
,
closes, t
h
inducer
t
then tur
n
and ente
r
flashes t
h
error co
d
Water h
e
setting.
Blower
m
safety s
w
venting
t
Flamma
b
sensor is
Water is
Control
s
to the ga
s
Blower
c
purge to
and com
b
Unit is i
n
Po
w
rectified.
always a fla
m
t
ion circuit
c
e
main burn
e
g
.
i
s not sense
d
period, the
i
,
the pilot v
a
h
e control r
u
hrough Pos
t
n
s off the in
d
r
s Soft Loc
k
h
e Soft Loc
k
d
e.
e
ats to ther
m
m
otor therm
a
w
itch is mon
i
emperature
s
b
le Vapor (
F
monitoring
.
heated.
s
huts off all
p
s
valve.
c
ontinues a
p
vent excess
b
ustion gas
e
n
stan
d
-
b
y
m
TEC
H
w
erVent wi
t
m
e
heck
e
r is
d
during
i
gniter
a
lve
u
ns the
t
-purge
d
ucer
k
out and
k
out
m
ostat
a
l
i
toring
s
.
F
V)
.
p
ower
p
ost
heat
e
s.
m
ode.
H
NICAL S
E
Technica
l
1-8
0
t
h Electron
i
After flam
e
recognized
igniter will
IF the mai
n
during heat
recycle an
d
The contro
l
Lockout fo
r
automatica
l
the Deman
d
Control wi
l
times, then
Lockout.
ECO is mo
n
temperatur
e
Blower mo
t
switch trip
s
automatic r
FV Sensor
i
local envir
o
presence o
f
vapors
In stand-
b
y
control con
the water t
e
thermistor
t
water insid
e
within the
u
range.
Safeties m
o
health, oth
e
and the loc
a
for flamma
b
E
RVICE D
E
l
Service B
u
0
0-432-837
3
i
c Control
S
e
has been
(rectified),
t
turn off.
n
burner fail
s
ing, the uni
t
d
attempt ig
n
l
remains in
r
5 minutes
b
l
ly respondi
n
d
for Heat.
l
l cycle thre
e
go into a H
a
n
itoring wat
e
. Trips at 1
9
t
or thermal
s
s
at 180°F w
eset at 125°
F
i
s monitori
n
o
nment for
f
flammable
mode, the
g
stantly mon
i
e
mperature
v
t
o ensure th
e
e
the tank is
u
se
r
-selecte
d
o
nitors contr
er
fault cond
i
a
l environm
e
b
le vapors.
E
PARTME
N
u
lletin
3
S
equence of
t
he
s
t
will
n
ition.
Soft
b
efore
n
g to
e
a
rd
t
er
9
9°F.
s
afety
w
ith
F
.
n
g
g
as
i
tors
v
ia the
e
d
r
ol
d
itions
e
nt
N
T
Operation
s
s
4