HTP Hydra Smart RT-199 Service Manual

11
12
LP-532 REV. 8.13.2014
LP-532 REV. 8.13.2014
Chapter 1 Product Characteristics Chapter 1 Product Characteristics
Check setting
values (Setting
Temp, Errors)
Initializing equipment
(Timer, Stepping Motor, Gas Valve and
Others)
Clear Watchdog
Check
communication
Check A/DC
Check Error
Check Water Flow
(ignore below 0.39
GPM)
Igniter, Gas
Valve "OFF"
RPM for Pre-purge,
Time Setting
Set RPM for
Pre-purge
Setting for Fan
stop
MCU Testing
Igniter "ON"
Gas Valve "ON"
Igninter "OFF"
Check Fan RPM
Water Flow >= 0.39 GPM, and
Doesn't have Error (Front Panel
"ON")
Step for
Pre-purge
Water Flow >=
0.53 GPM
Step for
Post-purge
Post-purge time
>=
setting RPM
Finish for
Pre-purge
Check condition
for RPM, Flame
Ignition
Igniter "ON"
Time >=
1.5 sec
Gas Valve "On"
Time >= 2sec
Detecting RPM,
Flame (Normal)
MCU testing
cycle >= 30min
Decide controlling calue for Fan,
Mixing valve, AGM, IWM
Gas Valve
"OFF"
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
N
N
N
N
N
N
N
N
N
N
N
Start
MCU Testing
Check Error
N
Y
Flame Extinction >=
8 times
Ignition Failure >=
10 times
Water Temperature
>= 199 ℉
Opened High Limit
Opened value for
APS
Inlet Temperature
sensor Open or
Short
Exhaust
Temperature sensor
Open or Short
Inlet Temperature
sensor Open or
Short
Exhaust
Temperature sensor
Open or Short
Abnormal MCU
Detecting
False-flame
Detecting Gas
leakage
Jumped Wire
Connection
Tilt Switch Open
and/or Short
Burner High Limit
Switch Switch
Cut-off
Abnormal RPM
sensor
Zero reference error
of supply water
valve
Zero reference error
of mixing valve
Failed self test of
MCU's internal
device
MCU Error
Flame is detected
before ignition
Abnormal DIP
switch setting
Communication
failure
Exhaust
Temperature >=
149℉
ERROR 10
ERROR 11
ERROR 16
ERROR 20
ERROR 29
ERROR 31
ERROR 32
ERROR 33
ERROR 35
ERROR 38
ERROR 39
ERROR 40
ERROR 41
ERROR 42
ERROR 43
ERROR 61
ERROR 65
ERROR 66
ERROR 67
ERROR 70
ERROR 72
ERROR 73
ERROR 76
ERROR 94
C heck s etting
values (S etting
Temp, E rrors)
Initializing equipment
(Timer, S tepping Motor, G as V alve and
Others )
C lear W atchdog
C heck
communication
C heck A/DC
C heck E rror
C heck W ater F low
(ignore below 0.39
G P M)
Igniter, G as
V alve "OF F "
R PM for P re-purge,
Time S etting
S et R P M for
P re-purge
S etting for Fan
stop
MC U T es ting
Igniter "ON"
G as Valve "ON"
Igninter "OFF "
C heck F an R PM
Water F low >= 0.39 GP M, and
Doesn't have E rror
(Front P anel
"ON")
S tep for
P re-purge
Water F low >=
0.53 G P M
S tep for
P os t-purge
P os t-purge time
>=
setting R PM
F inish for
P re-purge
C heck condition
for R PM, F lame
Ig
nition
Igniter "ON"
T ime >=
1.5 sec
G as Valve "On"
T ime >= 2sec
Detecting R PM,
F lame (Normal)
MC U testing
cycle >= 30min
Decide controlling calue for Fan,
Mixing valve, AGM, IWM
G as Valve
"OF F "
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
N
N
N
N
N
N
N
N
N
N
N
S tart
MC U T es ting
C heck E rror
N
Y
F lame E xtinction >=
8 times
Ignition Failure >=
10 times
Water T emperature
>= 199 ¢ µ
Opened High Limit
Opened value for
AP S
Inlet T emperature
sens or Open or
S hort
E xhaust
T emperature s ensor
Open or S hort
Inlet T emperature
sens or Open or
S hort
E xhaust
T emperature s ensor
Open or S hort
Abnormal MC U
Detecting
F alse-ame
Detecting G as
leakage
Over range of
setting R P M
Jumped Wire Disconnected
B urner High Limit
S witch S witch
Cut-o
Abnormal R PM
sens or
Zero
reference error
of supply water
valve
Zero reference error
of mixing
valve
F ailed s elf tes t of
MC U's internal
device
MC U E rror
F lame is detected
before ignition
Abnormal DIP
switch setting
C ommunication
failure
E xhaust
T emperature >=
149¢ µ
E R R OR 10
E R R OR 11
E R R OR 16
E R R OR 20
E R R OR 29
E R R OR 31
E R R OR 32
E R R OR 33
E R R OR 35
E R R OR 38
E R R OR 39
E R R OR 40
E R R OR 41
E R R OR 42
E R R OR 43
E R R OR 61
E R R OR 65
E R R OR 66
E R R OR 67
E R R OR 70
E R R OR 72
E R R OR 73
E R
R OR 76
E R R OR 94
Operation Flow Chart Operation Flow Chart
C heck s etting
values (S etting
Temp, E rrors )
Initializing equipment
(Timer, S tepping Motor, G as V alve and
Others )
C lear Watchdog
C heck
communication
C heck A/DC
C heck E rror
C heck Water Flow
(ignore below 0.39
G P M)
Igniter, G as
V alve "OFF "
R PM for P re-purge,
Time S etting
S et R P M for
P re-purge
S etting for F an
stop
MC U T es ting
Igniter "ON"
G as V alve "ON"
Igninter "OF F "
C heck F an R PM
Water F low >= 0.39 GP M, and
Doesn't have E rror
(Front P anel
"ON")
S tep for
P re-purge
Water F low >=
0.53 GP M
S tep for
P os t-purge
P os t-purge time
>=
setting
R P M
F inish for
P re-purge
C heck condition
for R P M, F lame
Ignition
Igniter "ON"
T ime >=
1.5 sec
G as V alve "On"
T ime >= 2sec
Detecting R P M,
F lame (Normal)
MC U tes ting
cycle >= 30min
Decide controlling calue for Fan,
Mixing valve, AG M, IWM
G as V alve
"OF F "
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
N
N
N
N
N
N
N
N
N
N
N
S tart
MC U T es ting
C heck E rror
N
Y
F lame E xtinction >=
8 times
Ignition F ailure >=
10 times
Water T emperature
>= 199 ¢ µ
Opened High Limit
Opened value for
AP S
Inlet T emperature
sens or Open or
S hort
E xhaust
T emperature sensor
Open or S hort
Inlet T emperature
sens or Open or
S hort
E xhaust
T emperature sensor
Open or S hort
Abnormal MC U
Detecting
F alse-ame
Detecting G as
leakage
Over range of
setting R PM
Jumped Wire Disconnected
B urner High Limit
S witch S witch
Cut-o
Abnormal R P M
sens or
Zero
reference error
of s upply water
valve
Zero reference error
of mixing valve
F ailed self test of
MC U's internal
device
MC U E rror
F lame is detected
before ig
nition
Abnormal DIP
switch setting
C ommunication
failure
E xhaust
T emperature >=
149¢ µ
E R R OR 10
E R R OR 11
E R R OR 16
E R R OR 20
E R R OR 29
E R R OR 31
E R R OR 32
E R R OR 33
E R R OR 35
E R R OR 38
E R R OR 39
E R R OR 40
E R R OR 41
E R R OR 42
E R R OR 43
E R R OR 61
E R R OR 65
E R R OR 66
E R R OR 67
E R R OR 70
E R R OR 72
E R R OR 73
E R
R OR 76
E R R OR 94

HTP Hydra Smart RT-199 Specifications

General

Brand	HTP
Model	Hydra Smart RT-199
Category	Water Heater
Language	English