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Fig. 2 — To Light Unit

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STEP 5

STEP 4

STEP 3

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STEP 10

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LOCK-OUT

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Summary of Contents for 48N Series

Page 1: ...atement Appeler imm diatement le fournisseur de gaz en utilisant le t l phone d un voisin Suivre les instructions du fournisseur de gaz Si le fournisseur de gaz n est pas accessible appeler le service...

Page 2: ...h a space temperature sensor make sure that the set points are at the normal heat set points WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow instructions could result in severe personal inj...

Page 3: ...Fig 1 Heat Section Details GAS VALVE TYPICAL IN EACH SECTION 75 105 TON SIZES CONSISTS OF 2 3 OR 4 HEAT SECTIONS 120 150 TON SIZES CONSISTS OF 3 4 OR 5 HEAT SECTIONS GAS VALVE TYPICAL IN EACH SECTION...

Page 4: ...ion Time Clock Operating Modes Alarms ENTER E S C M O D E Alarm Status TIME EWT LWT SETP 1 2 5 8 5 4 6 F 4 4 1 F 4 4 0 F N A V I G A T O R Co m f o r t Li n k Run Status Service Test Tem peratures Pre...

Page 5: ...o RUN mode to ensure operation of the cooling system during the cooling season Refer to the unit Controls Start Up Operation Service and Troubleshooting literature for more information Do not use this...

Page 6: ...base unit Installation Instructions if field supplied or optional factory supplied filters are used When replacing filters always use the same type and size originally supplied 2 When using pre filte...

Page 7: ...rea and Vent System The combustion area and vent system should be visually in spected before each heating season The normal accumulation of dirt soot rust and scale can result in loss of efficiency an...

Page 8: ...ing literature BEFORE YOU CALL FOR SERVICE CHECK FOR SEVERAL EASILY SOLVED PROBLEMS If insufficient heat or cooling is suspected Check for sufficient airflow Check the air filters for dirt Check for b...

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