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Residential • Gas fired • Hot Water Combi Boilers

User’s Information Manual

Lynx Direct-Vent Sealed Combustion Condensing Combi Boiler

Model LX-120CB, LX-150CB

FOR YOUR SAFETY:

•  Before operating this boiler, READ this manual.

•  DO NOT attempt to install, service or repair this boiler yourself. There are no user serviceable 

parts. Contact a qualified service agency if your boiler needs repair or maintenance. Ask your gas supplier for a 

list of qualified service agencies. 

•  A qualified service agency should inspect the venting system of this boiler on an annual basis.

__

DO NOT 

store or use gasoline or other 

flammable vapors 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. 

• 

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.

__

Installation and service must be performed by 
a qualified installer, service agency or the gas 
supplier.

WARNING: If the information in this manual is

not followed exactly, a fire or explosion may

result causing property damage, personal

injury or loss of life.

Your gas boiler must be installed and serviced by a qualified service agency or gas

supplier. The lack of proper service can result in a dangerous condition.

This manual must be left with owner, hung on or
adjacent to the boiler. Owner should retain manual
for future reference. 

Printed in U.S.A. 311      Part No. 81-5012

Publication No. LXCB-UIM

Summary of Contents for LX-120CB

Page 1: ...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 Immediately call your gas supplier from a neighbor s phone Follow the gas...

Page 2: ...label attached to the boiler For reference we have reproduced those instructions in this manual DO NOT use this boiler if any part has been underwater Immediately call a qualified service technician...

Page 3: ...ich all air for combustion is taken from inside the boiler room Typical direct vent installations are shown on Figures 2 and 3 Non direct vent installation is shown on Figures 4 5 and 6 1 VENTING AND...

Page 4: ...Lynx Combi Boiler 4 Figure 4 Non direct vent sidewall venting...

Page 5: ...Lynx Combi Boiler 5 Figure 5 Non direct vent venting through the roof Figure 6 Non direct vent utilizing an existing chimney as a chase...

Page 6: ...LLER OR SERVICEPERSON TO EXPLAIN AND SHOW YOU Learn what normal pressure to look for If pressure increases from normal the relief valve will open to relieve the pressure Call your service organization...

Page 7: ...our gas supplier call the fire department C Use only your hand to turn the gas supply shut off valve Never use tools If the supply shut off will not turn by hand don t try to repair it call a qualifie...

Page 8: ...ture for space heating may be set to desired temperature The setting range is between 90 to 185 F 2 While d is blinking boiler supply water tempera ture to DHW system may be set to desired temper atur...

Page 9: ...t protection mode Temperature display shows boiler supply water Temp Lockout Alarm condition Temperature Display indicates the lockout code Reset button must be pressed to resume normal operation Erro...

Page 10: ...ote Boiler water supply temperature to DHW heat exchanger could be changed by pressing Up Down button Settable from 104 F to 185 F steps of 1 F The default value is 176 F Press Enter button to store T...

Page 11: ...The reset button must be pressed to clear the error and retry operation The temperature display shows the error code B BLOCKING ERRORS Indicated by an E in the mode display Operation is automatically...

Page 12: ...SLANT FIN CORPORATION Greenvale N Y 11548 Phone 516 484 2600 FAX 516 484 5921 Canada Slant Fin LTD LTEE Mississauga Ontario www slantfin com Slant Fin Corp 2011...

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