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Water Temperature Regulation 

The higher the setting, the greater the risk of  
scalding. Hot water can cause third degree burns  
in under one (1) second at 160

o

F (71

o

C), in five (5)  

seconds at 140

o

F (60

o

C), and in thirty (30)  

seconds at 130

o

F (54

o

C). In households where 

there are children, physically challenged individuals, 
or elderly persons, mixing valves for point of use 
are necessary as means of reducing the scalding 
potential of hot water.

The gas control valve is factory-adjusted to its low-
est temperature, approximately 70

o

F (21

o

C). When 

the water heater is plugged in for the first time, the 
gas control valve will start to heat the water to this  
temperature. To avoid any unintentional changes in 
the water temperature settings, the gas control valve 
has a tamper resistant feature included for changing 
the temperature setting. If you want to change this 
setting for either cooler or warmer water, the following 
steps are necessary:

1) “Wake up” the temperature indicators by holding 

down both the COOLER and HOTTER tempera-
ture adjustment buttons at the same time for one  
second  (

see Lighting Instructions). One or two 

of the temperature indicators will light up. These 
indicators will only remain on for 30 seconds, if 
no further buttons are pressed. After 30 seconds, 
the control will go back to “Sleep” mode, and both  
buttons will again have to be pressed to see the 
water temperature setting. Release both of the tem-
perature adjustment buttons.

2. If this is the first time that the control has been used, 

the leftmost green indi-
cator will be illuminated, 
indicating the water tem-
perature setting of approx-
imately 70°F (21°C). If the 
control has been in opera-
tion for some time, the 
water temperature setting 
may indicate a diffe 

rent 

temperature. See Figure 

13 for an explanation of 
what each of the tempera-
ture indicators mean.

  To decrease the temperature, press and release 

the  COOLER button once. The temperature 
indicators will now display the new temperature 

 

setting. Press and release the COOLER but-
ton until you have reached the desired setting. 

 

HOLDING DOWN THE BUTTON WILL NOT 

CONTINUE TO LOWER THE SETTING. The 

 

button must be pressed and released for each tem-
perature change desired.

  To increase the temperature, press and release 

the  HOTTER button once. The temperature 

 

indicators will now display the new temperature set-
ting. Press and release the HOTTER button until 
you have reached the desired setting. HOLDING 

DOWN THE BUTTON WILL NOT CONTINUE TO 

RAISE THE SETTING. The button must be pressed 
and released for each temperature change desired.

  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 setting below the large 
triangle («

m

»), which represents approximately 120°F 

(49°C).

3. When you have completed setting the control, wait 

30 seconds to see that the temperature indicators 
go off and the control enters “Sleep” mode. ALL OF 

THE TEMPERATURE INDICATORS WILL BE OFF 

DURING NORMAL OPERATION. If any time you 
see the indicators on, there may be a system error 
and you should consult the 

Troubleshooting Guide 

of this document, or contact a trained service profes-
sional.

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 temperatures at 
the hot water outlet. Always remember to check the hot 
water coming out of any faucet with your hand before 

16

OPERATING INSTRUCTIONS

FLASHING

APPROXIMATE

TEMPERATURE

˚F (˚C)

70 (21) 

(Vacation)

110 (43)

115 (46)

120 (49)

125 (52) 

130 (54)

135 (57)

140 (60)

145 (63)

150 (66)

160 (71)

APPROXIMATE

TIME TO

CAUSE INJURY

N/A

5 Minutes

30 Seconds

5 Seconds

1.5 Seconds

Under 1 Second

DISPLAY

CLIGNOTANT

TEMPÉRATURE

APPROXIMATIVE

˚F (˚C)

70 (21) 

(Vacances)

110 (43)

115 (46)

120 (49)

125 (52) 

130 (54)

135 (57)

140 (60)

145 (63)

150 (66)

160 (71)

TEMPS

NÉCESSAIRE

POUR CAUSER

UNE BRÛLURE

S/O

5 minutes

30 secondes

5 secondes

1,5 seconde

moins d'une 

seconde

AFFICHAGE

Figure 13

Summary of Contents for UG50-59

Page 1: ...sult causing property damage personal injury or death 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 instructio...

Page 2: ...nt of an FVIR technology equipped water heater due to a flammable vapour shutdown is not covered under the terms of the Standard Basic Limited Warranty FVIR technology equipped with a flammable vapour sensor and the flame arrestor Safety Information 3 Installation Instructions 4 Location 4 Minimum Clearances 4 Combustion and Ventilation Air Supply 4 Requirements for Unconfined Spaces 5 Requirement...

Page 3: ... you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER or WARNING Serious injury or death can occur if you do not follow the instructions immediately Serious injury or death can occur if you do not follow the instructions WARNING AVERTISSEMENT DANGER WARNING AVERTISSEMENT DANGER DO NOT use this water heater ...

Page 4: ...um Clearances The minimum clearances from combustible material for this water heater are Two 2 inches 5 1 cm from the sides and rear four 4 inches 10 2 cm from the front and eighteen 18 inches 45 7 cm from the top see Figure 1 Combustion and Ventilation Air Supply In order for the water heater to operate properly it must be supplied with an uninterrupted flow of clean combustion and ventilation ai...

Page 5: ...municates directly with the outdoors by means of a duct This duct shall be sized according to CAN CSA B149 1 and terminate within one 1 foot above and within two 2 feet horizontally from the burner level of the appliance having the largest input In U S A refer to ANSI Z223 1 NFPA 54 1 All Air From Inside the Building see Figure 4 The confined space shall be provided with two per manent openings co...

Page 6: ...ed If the design and free area is not known it may be assumed that wood louvers and grilles will allow 20 25 free area and metal louvers and grilles will allow 60 75 free area Louvers and grilles must be installed in the open position or interconnect ed with the water heater so that they are opened automatically during water heater operation Corrosive Atmospheres If this water heater is to be inst...

Page 7: ...ipe must be supported every three 3 feet 91 cm and vertical runs of vent pipe must be supported every five 5 feet 1 5 m According to the CAN CSA B149 Natural Gas and Propane Installation Code plastic vent systems installed in Canada must be certified to the STANDARD FOR TYPE BH GAS VENTING SYSTEMS ULC S636 Components of the certified vent system must not be interchanged with other vent systems or ...

Page 8: ...embly outlet 2 Cut pipe ends squarely removing all burrs and dirt 3 Dry fit the pipe fitting to be connected to make sure they fit properly 4 Clean the pipe fitting with the proper primer or cleaner 5 Apply a thin coat of cement to the fitting avoiding pud dling inside 6 Apply a liberal coat of cement to the vent pipe leaving no voids 7 QUICKLY assemble parts while cement is fluid If you wait too ...

Page 9: ...es 30 cm B Clearance to window or door that may be opened 12 inches 30 cm C Clearance to outside corner D Clearance to inside corner 3 feet 91 cm E Clearance to service regulator vent outlet 3 feet 91 cm 6 feet 1 82 m F Clearance to each side of center line extended above meter regulator assembly 3 feet 91 cm within a height 15 feet 4 57 m above the meter regulator assembly 3 feet 91 cm within a h...

Page 10: ...er heater Should this relief valve need to be replaced use only a new temperature and pressure relief valve Never install an old or existing relief valve as it may be damaged or inadequate for the working requirements of the new water heater This new relief valve must meet all local codes or at a minimum the requirements listed above Never install any other type of valve between the relief valve a...

Page 11: ...lumbing system Leave the faucets open until a constant flow of water is obtained 4 Check all of the plumbing connections to make sure there are no leaks Gas Connections DO NOT attempt to use this water heater with any gas other than the type of gas shown on the water heater rating plate Failure to follow this instruction can result in property damage per sonal injury or death The gas piping must b...

Page 12: ...a mixing valve must be installed in the potable side of the system This will temper the water and reduce the risk of scalding 6 If the incoming water line to the heater is equipped with a check valve water meter or pressure reducing valve an expansion tank must be installed in the system This will prevent weeping from the water heater relief valve and pre mature failure of the heater due to expans...

Page 13: ...rs la maison Pompe de circulation Évent Figure 11 Wiring Diagram Blower Unit M 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 High Limit Switch Vacuum Switch Red 1 2 3 1 2 3 Yellow Black Blue Orange White Green Black White Green White ON OFF Switch 1 2 3 4 5 6 4 3 2 1 Green White Orange Blue Black Yellow Red Gas Valve Hot Surface Igniter Flame Sensor Flammable Vapor Sensor Green Green Black Power Cord Yellow Gre...

Page 14: ...th a minimum rise of 1 4 inch per foot 21 mm m of run r Has all the vent piping been secured with the appropriate primer and solvent based cement r Has the venting been supported at the proper intervals r Have precautions been taken against condensation flowing into the power venter r Water Piping Is the dip tube installed in the cold water inlet r Has a temperature and pressure relief valve been ...

Page 15: ...eater immediately contact a qualified installer ser vice agency or the gas supplier DO NOT light this water heater if It is not full of water The gas supplied does not match the type listed on the rating plate Gasoline or other flammable vapours and liquids have been stored in the vicinity of the water heater Failure to follow these instructions can result in property damage personal injury or dea...

Page 16: ...The temperature indicators will now display the new temperature setting Press and release the COOLER but ton until you have reached the desired setting HOLDING DOWN THE BUTTON WILL NOT CONTINUE TO LOWER THE SETTING The button must be pressed and released for each tem perature change desired To increase the temperature press and release the HOTTER button once The temperature indicators will now dis...

Page 17: ... function of the FV sensor is to detect the presence of flammable vapours before they enter the combustion chamber and ignite If the FV sensor 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 flammable vapours are detected the control will swit...

Page 18: ...ll of the joints are properly sealed If any part of the venting system is damaged it must be replaced by a qualified service technician Anode rods Thiswaterheaterisequippedwithtwo 2 anoderodsthat are designed to prolong the life of the glass lined tank The anode rods are slowly consumed protecting the glass lined tank from corrosion The anode rods should be checked every two 2 years If more than h...

Page 19: ... cold water supply manual shut off valve is open before lighting the burner Getting Service for your Water Heater If you are having problems with your water heater follow these three easy steps 1 Consult the Troubleshooting Guide con tained in this manual see Page 21 It lists the most common problems experienced with your gas fired water heater The solutions you find listed may provide a quick and...

Page 20: ...oor 8 Resettable thermal switch 9 Drain valve 10 Overflow tube 11 Dip tube 12 2 Magnesium anode rods 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 17 18 16 Complete blower assembly 19 5 Complete burner assembly 8 6 ...

Page 21: ... that it is located properly and free from contamination Reposition the flame sensor rod or lightly clean it with an abrasive cloth 3 The hot surface ignitor may not be positioned correctly Reposition as necessary 4 Check that the hot surface ignitor and flame sensor rod are wired correctly and in good work ing condition 5 Low voltage to the water heater Check and repair 7 The gas valve driver cir...

Page 22: ...a confined area Provide fresh air ventilation The burner flame is too high Insufficient secondary air Provide fresh air ventilation Orifice too large Replace with correct orifice Defective gas control valve Replace with new gas control valve The flame burns at the orifice Low gas pressure Check with gas utility company Defective gas control valve Replace with new gas control valve High operating c...

Page 23: ...ets demand Combustion odours Insufficient secondary air Provide fresh air ventilation Heater installed in a confined area Provide fresh air ventilation Flue clogged Clean Check for source of trouble and correct Smoking and carbon formation sooting Insufficient secondary air Provide fresh air ventilation Low gas pressure Check with gas utility company Burner flame yellow lazy Refer to The burner fl...

Page 24: ...a free flowing drain in the event of water leakage 10 If the heater is operated at water temperatures exceeding the maximum setting of the operating or high limit control or the heater is not supplied with potable water free to circulate at all times 11 If the heater has experienced the effect of thermal expansion due to excessive pressure exceeding 300PSI The result of excessive pressure usually ...

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