Giant Factories UG50-62 Configuration guide

IMPORTANT
READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING THE INSTALLATION. PROPER INSTALLATION
WILL PROVIDE SAFE & EFFICIENT SERVICE, AND AVOID NEEDLESS EXPENSE NOT COVERED BY THE
WARRANTY. READ THE PRODUCT WARRANTY IN THE OWNER’S MANUAL AND REMEMBER TO FILL OUT
AND RETURN TO THE MANUFACTURER, ALL RELEVANT WARRANTY CARDS AND CERTIFICATES. SHOULD
YOU HAVE ANY QUESTIONS, PLEASE CONTACT YOUR LOCAL DEALER OR REFER TO THE GETTING
SERVICE FOR YOUR WATER HEATER SECTION OF THE OWNER’S MANUAL.
SAVE THIS SUPPLEMENT FOR FUTURE REFERENCES.
GI-AX003En-0217
54000074
© 2017 Giant Factories Inc. Printed in Canada
For your records, write the model and serial number here:
Model # _____________________________
Serial # _____________________________
ISO 9001
ENREGISTRÉ
ISO 9001
REGISTRED
R
R
DO NOT store or use gasoline or other
flammable vapours and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch.
• DO NOT use any phone in your building.
• From a neighbour’s phone, immediately
call your gas supplier. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
immediately call the fire department at 911.
Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
This water heater IS NOT design certified for
installation in a manufactured (mobile) home or
for installation outdoors.
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
If the information in these instructions is not
followed exactly, a fire or explosion may result
causing property damage, personal injury, or
death.
RESIDENTIAL POWER VENT GAS-FIRED WATER HEATERS
(EQUIPPED WITH FVIR TECHNOLOGY)
OWNER’S MANUAL SUPPLEMENT
SUPPLEMENT
Honeywell gas control
on Power Vent Models

1) Vent pipe
2) Power vent assembly
3) Union
4) Cold water manual
shut-off valve
5) Cold water inlet
6) Expansion tank
7) Temperature and
pressure-relief valve
8) Overflow tube
9) Drain valve
10) Combustion air intake holes
11) Drain pan
12) Free-flowing floor drain
13) Sight glass
14) Resettable Thermal Switch
15) Outer access door
16) Inner access door
17) Flammable vapour
sensor (FVS)
18) Cap
19) Drip leg (Sediment trap)
20) Gas supply manual
shut-off valve
21) Union
22) Gas control valve
23) Rating plate
24) Dip-tube
25) 12’ Power cord (3.86 m)
26) Hot water outlet
27) Union
28) Pilot assembly
29) Burner orifice
30) Burner
31) Spring (For LP models only)
2
5
6
3 4
7
8
24
9
10
11
16
14
15
13
12
21
17
18
20
19
22 23
25
27
26
29
28
30
31
1
Minimum Slope
1/4”/foot (21mm/m)
Water Piping Installation
2

55000093-1
1. Turn the thermostat dial counterclockwise to the lowest setting.
2. Slide the “ON/OFF” switch located on the gas control to the “OFF” position.
3. Turn OFF all electric power to the appliance if service is to be performed.
A. This appliance is equipped with an ignition device
which automatically lights the pilot.
DO NOT TRY to light the pilot by hand.
B. BEFORE operating smell all around the appliance
area for gas. Be sure to smell next to the floor because
some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS:
• DO NOT try to light any appliance.
• DO NOT touch any electric switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
1. STOP! Read the safety information above (to the left)
on this label.
2. Slide the “ON/OFF” switch located on the gas control
to the “OFF” position.
3. Turn OFF all electric power to the appliance.
4. Turn the thermostat dial counterclockwise
to the lowest setting.
5. This appliance has an automatic spark ignition system.
DO NOT attempt to light the pilot by hand.
6. Wait five (5) minutes to clear out any gas.
Then smell for gas, including near the floor.
If you smell gas, STOP! Follow “B” in the safety
information above (to the left) on this label.
If you don’t smell gas, go to the next step.
7. Turn ON electric power to the appliance.
8. Slide the “ON/OFF” switch located on the gas control
to the “ON” position.
9. Turn the thermostat dial clockwise
to the desired setting.
10. If the appliance will not operate, follow the instructions
“To Turn Off Gas To Appliance” and call your service
technician or gas supplier.
C. Use only your hand to slide the gas control switch or
turn the thermostat dial. Never use tools. If the switch
or dial will cannot be moved by hand, don’t try
to repair it, call a qualified service technician.
Force or attempted repair may result in a fire or
explosion.
D. DO NOT use this appliance if any part has been under
water. Immediately call a qualified service technician
to inspect the appliance and to replace any part of
the control system and any gas control which
has been under water.
A. Cet appareil est muni d’un dispositif d’allumage qui allume
automatiquement la veilleuse.
NE TENTEZ PAS d’allumer la veilleuse manuellement.
B. AVANT DE FAIRE FONCTIONNER, reniflez tout autour de
l’appareil pour déceler une odeur de gaz. Reniflez près du
plancher, car certains gaz sont plus lourds que l’air et
peuvent s’accumuler au niveau du sol.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• NE PAS TENTER d’allumer d’appareil.
• NE TOUCHEZ à aucun interrupteur ; ne pas vous servir
des téléphones se trouvant dans le bâtiment.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur,
appelez le service des incendies.
C. Ne glissez le commutateur ou tournez le bouton du
contrôle au gaz qu’à la main ; ne jamais utiliser d’outil.
Si le commutateur ou le bouton reste coincé,
ne tentez pas de le réparer ; appelez un technicien qualifié.
Le fait de forcer ou de le réparer peut déclencher
une explosion ou un incendie.
D. N’UTILISEZ PAS cet appareil s’il a été plongé dans l’eau,
même partiellement. Faites inspecter l’appareil par un
technicien qualifié et remplacez toute partie du système de
contrôle et toute commande qui ont été plongés dans l’eau.
1. ARRÊTEZ ! Lisez les instructions de sécurité sur
la portion supérieure (à gauche) de cette étiquette.
2. Glissez le commutateur “ON/OFF” situé sur le contrôle
au gaz à la position “OFF”.
3. Coupez l’alimentation électrique de l’appareil.
1. Tournez le bouton d’ajustement de température dans le sens antihoraire jusqu’à la position la plus basse.
2. Glissez le commutateur “ON/OFF” situé sur le contrôle au gaz à la position “OFF”.
3. Coupez l’alimentation électrique de l’appareil s’il faut procéder à l’entretien.
4. Tournez le bouton d’ajustement de température
dans le sens antihoraire jusqu’à la position
la plus basse.
5. Cet appareil est muni d’un dispositif d’allumage qui allume
automatiquement la veilleuse.
NE TENTEZ PAS d’allumer la veilleuse manuellement.
6. Attendre cinq (5) minutes pour laisser échapper tout le gaz.
Reniflez tout autour de l’appareil, y compris près du plancher,
pour déceler une odeur de gaz. Si vous sentez une odeur
de gaz, ARRÊTEZ ! Passez à l’étape B des instructions de
sécurité sur la portion supérieure (à gauche) de cette étiquette.
S’il n’y a pas d’odeur de gaz, passez à l’étape suivante.
7. Mettez l’appareil sous tension.
8. Glissez le commutateur “ON/OFF” situé sur le contrôle
au gaz à la position “ON”.
9. Tournez le bouton d’ajustement de température dans
le sens horaire jusqu’au réglage désiré.
10. Si l’appareil ne se met pas en marche, suivez les instructions
intitulées « Comment couper l’admission de gaz de l’appareil »
et appelez un technicien qualifié ou le fournisseur à gaz.
HOT
VERY
HOT
A
B
C
LOW
ON
OFF
STATUS
Switch shown in
“ON” position
Thermostat dial
FOR YOUR SAFETY READ BEFORE OPERATING
OPERATING INSTRUCTIONS
POUR VOTRE SÉCURITÉ LISEZ AVANT DE METTRE EN MARCHE
INSTRUCTIONS DE MISE EN MARCHE
COMMENT COUPER L’ADMISSION DE GAZ À L’APPAREILTO TURN OFF GAS TO APPLIANCE
WARNING: If you do not follow these instructions exactly,
a fire or explosion may result causing property damage, personal injury or loss of life.
AVERTISSEMENT: Quiconque ne respecte pas à la lettre les instructions dans la présente notice
risque de déclencher un incendie ou une explosion entraînant des dommages, des blessures, ou la mort.
Commutateur illustré
à la position «ON»
Bouton
d’ajustement
de température
HOT
VERY
HOT
A
B
C
LOW
ON
OFF
STATUS
Water Temperature Regulation
The thermostat dial is adjusted to its lowest setting
when shipped from the factory. To adjust the thermo-
stat, turn the dial clockwise to the desired set-
ting. To maximize the efficiency of this water heater
and reduce the risk of scalding, it is recommended that
the gas control valve be set at the “HOT” setting, which
represents approximately 120°F (49°C) (See Figure 3).
When hot water is drawn from the tank in frequent
short bursts, a condition known as “stacking” is cre-
ated. “Stacking” is the result of increased cycling of
the burner and can produce very hot water tempera-
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
Lighting instructions
3
The higher the temperature setting, the greater the
risk of scalding. Hot water can cause third degree
burns in under one (1) second at 160˚F (71˚C), in five
(5) seconds at 140˚F (60˚C), and in thirty (30) sec-
onds at 130˚F (54˚C). In households where there are
children, physically challenged individuals, or seniors,
mixing valves for point of use are necessary as means
of reducing the scalding potential of hot water.

tures at the hot water outlet. Always remember to
check the hot water coming out of any faucet with
your hand before use. This will reduce the risk of
scalding-related injuries.
The gas control valve pictured in this manual is
equipped with a resettable type automatic high tem-
perature cut-off. Should the temperature of the water
exceed 189°F (87°C), the high temperature cut-off
will automatically shut off the gas supply to the water
heater. If this situation occurs, the gas control valve
must be reset by a qualified service technician.
Safety System
This water heater is equipped with a flammable
vapour sensor (FVS) that will shut down the water
heater in the event of a flammable vapour incident. It
is a safety feature that may prevent property damage,
personal injury, or death.
The FVS is located on the front left bottom of the
exterior casing of the water heater. The FVS is
protected from shock and contaminants by a robust
plastic cover. The function of the FVS is to detect the
presence of flammable vapours before they enter the
combustion chamber and ignite. If the FVS detects
the presence of flammable vapours while the water
heater is operating, the gas control will switch to
lock-out mode and the water heater will shut down.
If the water heater is not operating when the flam-
mable vapours are detected, the control will switch
to lock-out mode and prevent the water heater from
lighting.
After a flammable vapour incident has occurred and
the flammable vapours have dissipated, the FVS
is designed to automatically reset itself. The gas
control however, will have gone into lock-out mode
and will need to be manually reset. A qualified ser-
vice technician must be called to determine if flam-
mable vapours entered the combustion chamber and
ignited. In most instances, there will not have been
ignition of flammable vapours inside the combustion
chamber because the FVS will have detected these
vapours and shut down the water heater. In this case,
the gas control can be reset and the water heater
may resume normal operation. On the other hand, if
the flammable vapours ignited inside the combustion
chamber, the water heater may need to be replaced.
The technician will be able to determine whether or
not the water heater needs to be replaced based on
the amount of flammable vapours that entered the
combustion chamber and the damage to the water
heater from the resulting fire.
Burner Ignitor Assembly
Every three (3) months, check the burner and pilot
assembly. Remove the outer access door and look
through the sight glass to examine the flames. A
soft blue flame indicates proper gas combustion. A
yellow tipped flame indicates poor combustion. With
a vacuum cleaner, remove any dust, lint, and dirt
accumulation on or around the combustion chamber.
HOT
LOW
C
B
A
VERY
HOT
160˚F/71˚C
150˚F/65.5˚C
140˚F/60˚C
130˚F/54.4˚C
120˚F/48.9˚C
115˚F/46˚C
105˚F/40.5˚C
95˚F/35˚C
90˚F/32˚C
HOT
VERY
HOT
A
B
C
LOW
ON
OFF
STATUS
4
Figure 3

55000091
55000091
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1
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3
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3
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3
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3
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2
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2
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3
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2
1
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1 2 3 5 6 7 48 9 1 2 31 2 3
1
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3
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6
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8
9
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1
2
3
1
2
3
5
3
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3
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6
2
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2
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1
2
3
1
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3
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1
2
5
3
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1
6
2
6
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit Switch
Vacuum Switch
(VS) (NO) /
High Limit Switch
Power Cord /
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS /
HLS / VS /
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
COM
COM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit
Switch (HLS)
Vacuum Switch
(VS) (NO)
High Limit
Switch (HLS)
Power Cord
Flammable Vapor
Sensor (FVS) Water Temperature
Sensor (WTS)
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS
HLS VS
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit Switch
Vacuum Switch
(VS) (NO) /
High Limit Switch
Power Cord /
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS /
HLS / VS /
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
COM
COM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit
Switch (HLS)
Vacuum Switch
(VS) (NO)
High Limit
Switch (HLS)
Power Cord
Flammable Vapor
Sensor (FVS) Water Temperature
Sensor (WTS)
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
SCHEMATIC DIAGRAM
G
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
(Access Door / Porte
D'accès)
haute limite (IHL)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
Interrupteur
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
Interrupteur
haute limite (IHL)
(Porte d'accès)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI) Sonde pour la température
de l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage
Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
(Access Door / Porte
D'accès)
haute limite (IHL)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
Interrupteur
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
Interrupteur
haute limite (IHL)
(Porte d'accès)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI) Sonde pour la température
de l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage
Veilleuse-Électrode
DIAGRAMME SCHÉMATIQUE
HLS
HLS VS
WT S
FVS
IHL
IHL IPN
ST E
DVI
T S1 T S2
T S1
T S2
WT S / ST E
Y
Y
M
Blower Unit / Unité de Ventilation
(HLS) / Interrupteur
(HLS) / Interrupteur
Gas Control / Contrôle au gaz
Gas Control / Contrôle au gaz
120VAC
FVS / DVI
M
T S1 T S2
T S1
T S2
ST E
Y
Y
M
Unité de Ventilation
Contrôle au gaz
Contrôle au gaz
120VAC
DVI
M
T S1 T S2
T S1
T S2
WT S
Y
Y
M
Blower Unit
Gas Control
Gas Control
120VAC
FVS
M
T S1 T S2
T S1
T S2
WT S / ST E
Y
Y
M
Blower Unit / Unité de Ventilation
(HLS) / Interrupteur
Yellow / Jaune
Red / Rouge
Yellow / Jaune
Black / Noir
Black / Noir
White / Blanc
White / Blanc
Green / Vert
Green / Vert
Blue / Bleu
(HLS) / Interrupteur
Red / Rouge
Yellow / Jaune
Blue / Bleu
White / Blanc
Black / Noir
Green/ Vert
Black / Noir
Black / Noir
Black / Noir
Black / Noir
Black / Noir
Gas Control / Contrôle au gaz
Gas Control / Contrôle au gaz
120VAC
FVS / DVI
M
T S1 T S2
T S1
T S2
Y
Y
M
Unité de Ventilation
Jaune
Rouge
Jaune
Noir
Noir
Blanc
Blanc
Vert
Vert
Bleu
Rouge
Jaune
Bleu
Blanc
Noir
Vert
Noir Noir
Noir Noir Noir
Contrôle au gaz
Contrôle au gaz
120VAC
M
T S1 T S2
T S1
T S2
Y
Y
M
Blower Unit
Yellow
Red
Yellow
Black
Black
White
White
Green
Green
Blue
Red
Yellow
Blue
White
Black
Green
Black Black
Black Black
Black
Gas Control
Gas Control
120VAC
M
55000091
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2
6
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit Switch
Vacuum Switch
(VS) (NO) /
High Limit Switch
Power Cord /
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS /
HLS / VS /
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
COM
COM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit
Switch (HLS)
Vacuum Switch
(VS) (NO)
High Limit
Switch (HLS)
Power Cord
Flammable Vapor
Sensor (FVS) Water Temperature
Sensor (WTS)
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS
HLS VS
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit Switch
Vacuum Switch
(VS) (NO) /
High Limit Switch
Power Cord /
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
HLS /
HLS / VS /
SCHEMATIC DIAGRAM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
COM
COM
G
HOT
B K
B K
B K
B K
B K
B K
B K
Y
R
B L
W
B K
W
W
B L
R
Y
G
HOT
High Limit
Switch (HLS)
Vacuum Switch
(VS) (NO)
High Limit
Switch (HLS)
Power Cord
Flammable Vapor
Sensor (FVS) Water Temperature
Sensor (WTS)
Pilot-Electrode Assy
CONNECTION DIAGRAM
COM
COM
Pilot-Electrode Assy
SCHEMATIC DIAGRAM
G
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
(Access Door / Porte
D'accès)
haute limite (IHL)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
Interrupteur
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
Interrupteur
haute limite (IHL)
(Porte d'accès)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI) Sonde pour la température
de l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage
Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
(Access Door / Porte
D'accès)
haute limite (IHL)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME SCHÉMATIQUE
Interrupteur
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
Interrupteur
haute limite (IHL)
(Porte d'accès)
Cordon d'alimentation
Détecteur de vapeur
inflammable (DVI) Sonde pour la température
de l'eau (STE)
Assemblage
Veilleuse-Électrode
DIAGRAMME DE CONNEXION
Assemblage
Veilleuse-Électrode
DIAGRAMME SCHÉMATIQUE
HLS
HLS VS
WT S
FVS
IHL
IHL IPN
ST E
DVI
T S1 T S2
T S1
T S2
WT S / ST E
Y
Y
M
Blower Unit / Unité de Ventilation
(HLS) / Interrupteur
(HLS) / Interrupteur
Gas Control / Contrôle au gaz
Gas Control / Contrôle au gaz
120VAC
FVS / DVI
M
T S1 T S2
T S1
T S2
ST E
Y
Y
M
Unité de Ventilation
Contrôle au gaz
Contrôle au gaz
120VAC
DVI
M
T S1 T S2
T S1
T S2
WT S
Y
Y
M
Blower Unit
Gas Control
Gas Control
120VAC
FVS
M
T S1 T S2
T S1
T S2
WT S / ST E
Y
Y
M
Blower Unit / Unité de Ventilation
(HLS) / Interrupteur
Yellow / Jaune
Red / Rouge
Yellow / Jaune
Black / Noir
Black / Noir
White / Blanc
White / Blanc
Green / Vert
Green / Vert
Blue / Bleu
(HLS) / Interrupteur
Red / Rouge
Yellow / Jaune
Blue / Bleu
White / Blanc
Black / Noir
Green/ Vert
Black / Noir
Black / Noir
Black / Noir
Black / Noir
Black / Noir
Gas Control / Contrôle au gaz
Gas Control / Contrôle au gaz
120VAC
FVS / DVI
M
T S1 T S2
T S1
T S2
Y
Y
M
Unité de Ventilation
Jaune
Rouge
Jaune
Noir
Noir
Blanc
Blanc
Vert
Vert
Bleu
Rouge
Jaune
Bleu
Blanc
Noir
Vert
Noir Noir
Noir Noir Noir
Contrôle au gaz
Contrôle au gaz
120VAC
M
T S1 T S2
T S1
T S2
Y
Y
M
Blower Unit
Yellow
Red
Yellow
Black
Black
White
White
Green
Green
Blue
Red
Yellow
Blue
White
Black
Green
Black Black
Black Black
Black
Gas Control
Gas Control
120VAC
M
5
Wiring Diagram (all Power Vent models except UG50-62, UG50-58, GG50-62 and GG50-58)

6
Wiring Diagram (for Power Vent UG50-62, UG50-58, GG50-62 and GG50-58 models)
55000096
55000096
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Power Cord /
Capacitor (Cap) /
Vacuum Switch
(VS) (NO) /
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS /
W
BL
R
Y
GHLS / VS /
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Power Cord /
Capacitor (Cap) /
Vacuum Switch
(VS) (NO) /
High Limit Switch
HOT COM
HOT COM
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS /
W
BL
R
Y
GHLS / VS /
Y
G
Y
W
BR
BR
BR
BR
G
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
W
BL
R
Y
G
Y
G
Y
W
BR
BR
BR
BR
G
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
W
BL
R
Y
G
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS)
Water Temperature Sensor
(WTS)
Power Cord
Capacitor (Cap)
Vacuum Switch
(VS) (NO)
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS
W
BL
R
Y
GHLS VS
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS)
Water Temperature Sensor
(WTS)
Power Cord
Capacitor (Cap)
Vacuum Switch
(VS) (NO)
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS
W
BL
R
Y
GHLS VS
Y
G
Y
W
BR
BR
BR
BR
G
(HLS)
(Access Door)
Gas Control
M
(HLS)
Blower Unit
Gas Control
Gas Control
(HLS)
(Access Door)
Gas Control
Red
Yellow
Blue
White
Black
Green
Black Black Black
Black Black
White
Black
Green
Black
White
Green
Blue
Brown Yellow
Brown
White
Green
Brown
(HLS)
Blower Unit
M
Yellow
Red
Yellow
FVS
WTS
CAP
CAP
WTS
FVS
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
D'accès)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
D'accès)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME DE CONNEXION
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Electrode
IHL
IHL IPN
Interrupteur
( Porte D'accès)
M
Interrupteur
Unité de Ventilation
Contrôle au gaz
Assemblage Veilleuse-Electrode
Unité de Ventilation
Contrôle au gaz
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
Interrupteur
( Porte D'accès)
Interrupteur
Rouge
Jaune
Bleu
Blanc
Noir
Vert
M
Jaune
Brun
Blanc
Vert
Brun
Blanc
Noir
Vert
Noir
Blanc
Vert
Bleu
Brun
Jaune
Rouge
Jaune
Noir Noir Noir
Contrôle au gaz
STE
CON
DVI
STE
CON
DVI
Contrôle au gaz
(HLS) / Interrupteur
(Access Door / Porte
Gas Control / Contrôle au gaz
M
(HLS) / Interrupteur
Blower Unit / Unité de Ventilation
TS1
TS2
TS1
TS2
FVS / DVI
WTS / STE
M
CAP / CON
Gas Control / Contrôle au gaz
120VAC
(HLS) / Interrupteur
(Access Door / Porte
Gas Control / Contrôle au gaz
Red / Rouge
Yellow / Jaune
Blue / Bleu
White / Blanc
Black / Noir
Green/Vert
Black / Noir Black / Noir
M
Yellow / Jaune
Brown / Brun
White / Blanc
Green / Vert
Brown / Brun
White / Blanc
Black / Noir
Green / Vert
Black / Noir
White / Blanc
Green / Vert
Blue / Bleu
Brown / Brun
Yellow / Jaune
Red / Rouge
Yellow / Jaune
(HLS) / Interrupteur
Blower Unit / Unité de Ventilation
Black / Noir Black / Noir Black / Noir
TS1
TS2
TS1
TS2
FVS / DVI
WTS / STE
M
CAP / CON
Gas Control / Contrôle au gaz
120VAC
TS1
TS2
TS1
TS2
M
120VAC
Noir Noir
TS1
TS2
TS1
TS2
M
120VAC
TS1
TS2
TS1
TS2
M
120VAC
TS1
TS2
TS1
TS2
M
120VAC
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
55000096
55000096
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
5
3
4
1
2
5
3
4
1
6
2
6
1 2 3 5 6 7 48 9 1231 2 3
1
2
3
1
1
2
3
5
6
7
4
8
9
2
1
4
3
6
5
2
1
4
3
6
5
1
2
3
4513 2
4513 2
4
5
2
3
1
4
5
2
3
1
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Power Cord /
Capacitor (Cap) /
Vacuum Switch
(VS) (NO) /
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS /
W
BL
R
Y
GHLS / VS /
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS) /
Water Temperature Sensor
(WTS) /
Power Cord /
Capacitor (Cap) /
Vacuum Switch
(VS) (NO) /
High Limit Switch
HOT COM
HOT COM
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS /
W
BL
R
Y
GHLS / VS /
Y
G
Y
W
BR
BR
BR
BR
G
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
W
BL
R
Y
G
Y
G
Y
W
BR
BR
BR
BR
G
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
W
BL
R
Y
G
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS)
Water Temperature Sensor
(WTS)
Power Cord
Capacitor (Cap)
Vacuum Switch
(VS) (NO)
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS
W
BL
R
Y
GHLS VS
Y
G
Y
W
BR
BR
BR
BR
G
Pilot-Electrode Assy
CONNECTION DIAGRAM
High Limit Switch
Flammable Vapor Sensor
(FVS)
Water Temperature Sensor
(WTS)
Power Cord
Capacitor (Cap)
Vacuum Switch
(VS) (NO)
High Limit Switch
SCHEMATIC DIAGRAM
Pilot-Electrode Assy
BK
BK
BK
BK
BK
BK
BK
Y
R
BL
W
BK
Y
HLS
W
BL
R
Y
GHLS VS
Y
G
Y
W
BR
BR
BR
BR
G
(HLS)
(Access Door)
Gas Control
M
(HLS)
Blower Unit
Gas Control
Gas Control
(HLS)
(Access Door)
Gas Control
Red
Yellow
Blue
White
Black
Green
Black Black Black
Black Black
White
Black
Green
Black
White
Green
Blue
Brown Yellow
Brown
White
Green
Brown
(HLS)
Blower Unit
M
Yellow
Red
Yellow
FVS
WTS
CAP
CAP
WTS
FVS
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
D'accès)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
D'accès)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
Assemblage Veilleuse-Électrode
DIAGRAMME DE CONNEXION
haute limite (IHL)
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Électrode
IHL
IHL IPN
DIAGRAMME DE CONNEXION
Détecteur de vapeur
inflammable (DVI)
Sonde pour la température de
l'eau (STE)
Cordon d'alimentation
Condensateur (Con)
DIAGRAMME SCHÉMATIQUE
Assemblage Veilleuse-Electrode
IHL
IHL IPN
Interrupteur
( Porte D'accès)
M
Interrupteur
Unité de Ventilation
Contrôle au gaz
Assemblage Veilleuse-Electrode
Unité de Ventilation
Contrôle au gaz
haute limite (IHL)
Interrupteur à
pression négative
(IPN) (NO)
haute limite (IHL)
Interrupteur
( Porte D'accès)
Interrupteur
Rouge
Jaune
Bleu
Blanc
Noir
Vert
M
Jaune
Brun
Blanc
Vert
Brun
Blanc
Noir
Vert
Noir
Blanc
Vert
Bleu
Brun
Jaune
Rouge
Jaune
Noir Noir Noir
Contrôle au gaz
STE
CON
DVI
STE
CON
DVI
Contrôle au gaz
(HLS) / Interrupteur
(Access Door / Porte
Gas Control / Contrôle au gaz
M
(HLS) / Interrupteur
Blower Unit / Unité de Ventilation
TS1
TS2
TS1
TS2
FVS / DVI
WTS / STE
M
CAP / CON
Gas Control / Contrôle au gaz
120VAC
(HLS) / Interrupteur
(Access Door / Porte
Gas Control / Contrôle au gaz
Red / Rouge
Yellow / Jaune
Blue / Bleu
White / Blanc
Black / Noir
Green/Vert
Black / Noir Black / Noir
M
Yellow / Jaune
Brown / Brun
White / Blanc
Green / Vert
Brown / Brun
White / Blanc
Black / Noir
Green / Vert
Black / Noir
White / Blanc
Green / Vert
Blue / Bleu
Brown / Brun
Yellow / Jaune
Red / Rouge
Yellow / Jaune
(HLS) / Interrupteur
Blower Unit / Unité de Ventilation
Black / Noir Black / Noir Black / Noir
TS1
TS2
TS1
TS2
FVS / DVI
WTS / STE
M
CAP / CON
Gas Control / Contrôle au gaz
120VAC
TS1
TS2
TS1
TS2
M
120VAC
Noir Noir
TS1
TS2
TS1
TS2
M
120VAC
TS1
TS2
TS1
TS2
M
120VAC
TS1
TS2
TS1
TS2
M
120VAC
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM
HOT COM

Complete
blower
assembly
Complete burner
assembly
LP models only
ID No. Description
1 Gas control
2 Flammable vapour sensor (FVS)
3 Protective Cover
4 Pilot assembly
5 Complete burner assembly
6 Inner access door kit
7 Outer access door
8 Resettable thermal switch
9 Drain valve
10 Overflow tube
11 Dip tube
12 Magnesium anode
13 Temperature & pressure-relief valve
14 Flue baffle
15 Complete blower assembly
16 High limit switch
17 Rubber transition fitting
18 Vacuum switch
19 Plastic-lined di-electric galvanized nipple
1
2
3
4
7
9
10
11
12
13
14
15
19
17
16
18
5
8
6
Unité de
ventilation
Assemblage du
brûleur
Modèles au gaz
propane (LP) seulement
Num Description
1 Contrôle au gaz
2 Détecteur de vapeurs inflammables (DVI)
3 Couvercle de protection
4 Assemblage du pilote
5 Assemblage du brûleur
6 Ensemble de porte d’accès intérieure
7 Porte d’accès extérieure
8 Interrupteur thermique réinitialisable
9 Robinet de vidange
10 Tuyau d’évacuation
11 Tuyau plongeur
12 Anode de magnésium
13 Soupape de sûreté température et pression
14 Chicane de cheminée
15 Unité de ventilation
16 Interrupteur haute limite
17 Raccord de transition en caoutchouc
18 Interrupteur de pression négative
19 Raccord galvanisé di-électrique
1
2
3
4
7
9
10
11
12
13
14
15
19
17
16
18
5
8
6
7
Replacement Parts

8
LED Status Codes
HOT
VERY
HOT
A
B
C
LOW
ON
OFF
STATUS
Light-emitting
diode (LED)
LED FLASH SEQUENCE CONTROL STATUS CAUSE CORRECTIVE ACTION
1
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
No electrical power
to control
•Control power switch in “OFF” position.
•Supply voltage interrupted.
•Slide the swith to “ON” position.
•Supply power to the water heater.
2
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Idle (no call for heat,
no faults)
•Thermostat is satisfied. •No remedy required.
3
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Call For Heat
(no faults)
•Water temperature is below
set-point of thermostat.
•No remedy required.
4
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Weak Pilot Flame
Current (in Idle only,
no faults)
•Unstable pilot.
•Pilot tube restriction.
•Oxidation build-up on electrode.
•Pilot wire damage or bad connection.
•Low gas supply pressure.
•Check gas pressure, pressure supply and voltage supply.
•Replace pilot assembly.
5
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Pressure Switch
Failed Closed
•Pressure switch tube blockage.
•Faulty pressure switch.
•Replace tube or clear blockage.
•Check pressure switch wiring.
•Replace pressure switch.
6
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Pressure Switch
Failed Open
•Vent blockage or improper vent configuration.
•Blower improper operation.
•Temperature switch on blower open.
•Pressure switch tube blockage.
•Faulty pressure switch.
•Check for obstruction in the vent system.
•Check pressure switch wiring.
•Replace pressure switch.
•Replace blower temperature switch.
•Replace blower.
7
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
TCO Limit Lockout •Thermal well fault.
•Gas control fault.
•Tank is not filed with water or excessive
sediment.
•Reset gas control and check for proper operation.
•Make sure the tank is full of water.
•Replace thermal well.
8
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Flame Out Of Sequence
(false flame present)
•Pilot or burner gas valve has failed open. •Replace gas control.
9
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Failed Trial For
Ignition - Soft Lockout
•Unstable pilot.
•Pilot tube restriction.
•Oxidation build-up on electrode.
•Pilot wire damage or bad connection.
•Low gas supply pressure.
•Check gas pressure, pressure supply and voltage supply.
•Replace pilot assembly.
10
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Recycle Limit -
PS/Limit opened -
Soft Lockout
•Vent blockage or improper vent configuration.
•Excessive wind at vent termination.
•Blower improper operation.
•Temperature switch on blower open.
•Pressure switch tube blockage.
•Faulty pressure switch.
•Check for obstruction in the vent system and compliance
with venting configurations.
•Check pressure switch wiring.
•Replace pressure switch.
•Replace blower temperature switch.
•Replace blower.
11
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Recycle Limit -
Flame Lost -
Soft Lockout
•Unstable pilot.
•Pilot tube restriction.
•Oxidation build-up on electrode.
•Pilot wire damage or bad connection.
•Low gas supply pressure.
•Insufficient combustion air.
•Check gas pressure, pressure supply and voltage supply.
•Check for proper combustion air.
•Replace pilot assembly.
12
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Flame out of Sequence
Sensed - Soft Lockout
•Gas valve stuck in open position. •Replace gas control.
13
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Flammable Vapor
Sensor Lockout
•Flammable vapor was detected near
the water heater.
•FV Sensor has failed.
•Verify no gasoline or flammable vapors are present.
•Reset control using ON/OFF switch on the gas control.
•Replace Flammable vapour sensor.
14
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Flammable Vapor
Sensor Fault Detected
•FV sensor is out of specification.
•FV sensor wiring is faulty.
•Replace FV sensor.
•Replace the FV sensor wiring.
•Replace the gas control.
15
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Temperature Sensor
Fault Detected
•Thermal well fault. •Check thermal well wiring connection.
•Replace thermal well.
16
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Electronics Fault
Detected
•Thermal well fault or gas control fault. •Replace thermal well.
•Replace gas control.
17
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Gas Valve Fault Detected •Gas control needs to be reset
or has been damaged.
•Cycle power to gas control.
•Replace gas control.
None / Aucun
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
None
, , , , , ...
PAUSE
4 sec.
+
1 X
PAUSE
3 sec.
2 X +
PAUSE
3 sec.
3 X +
PAUSE
3 sec.
4 X +
PAUSE
3 sec.
5 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
6 X +
PAUSE
3 sec.
7 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
3 sec.
8 X +
PAUSE
1 sec.
1 X +
Aucun
Code example
Six times – Two flash, 3 second pause

Dimensions inches (cm)
Models
A B C D E F H (-*2U) H (-*1U) I J K
All UG40 7 1/8 (18) 40 (102) 48 3/8 (123) 10 7/8 (28) 49 3/4 (127) 58 1/2 (149) 22 (56) 20 1/2 (52) 8 (20) 17.4° 90.0°
All UG50 7 1/8 (18) 40 (102) 48 3/8 (123) 10 7/8 (28) 49 5/8 (126) 58 1/2 (149) 23 1/2 (60) 22 1/2 (57) 8 (20) 15.6° 90.0°
All UG60 7 1/8 (18) 48 (122) 56 1/2 (144) 10 7/8 (28) 57 7/8 (147) 66 5/8 (169) 23 1/2 (60) -8 (20) 15.6° 90.0°
UG50-62 7 1/8 (18) 41 (104) 50 7/8 (129) 10 7/8 (28) 52 (132) 60 3/4 (154) 24 (61) 24 (61) 8 (20) 15.6° 90.0°
UG50-58 7 1/8 (18) 41 (104) 50 7/8 (129) 10 7/8 (28) 52 (132) 60 3/4 (154) 24 (61) 24 (61) 8 (20) 15.6° 90.0°
K
J
I H
B
EF C
D
A
9

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