Carrier 62DA user manual

Summary of the content on the page No. 1

62DA,DB,DC,DD07-38
Vertical or Horizontal
Dedicated 100% Outdoor Air Unit
with Optional Gas Heat
User’s Information Manual
NOTE TO INSTALLER
WARNING
This manual should be left with the equipment owner.
Burners will light automatically. Do not attempt to light by
hand; personal injury may result.
WARNING: If the information in this
manual is not followed exactly, a fire or
TO LIGHT UNIT
explosion may result causing property
damage, personal injury or loss of life.
DANGER
— Do not store or use

Summary of the content on the page No. 2

CONTROL PANEL SUPP LY FAN FILTER ACCESS OUTS IDE AIR GAS SECTION INTAK E HOOD CONDENSATE DR AIN PAN a62-423 Fig. 1 — Typical Gas Section FLAME ROLLOUT SWITCH MODULATING MAIN BURNER GAS VALVE a62-421 GAS VALVE SECTION (OPTIONAL) Fig. 2 — Typical Gas Valve Location 2

Summary of the content on the page No. 3

T T A A N N a48-925tf a48-924tf STEP 1 STEP 2 a62-420 STEP 3 a62-425 ON a62-424 OFF STEP 4 STEP 5 a62-427 ON a62-426 OFF STEP 6 STEP 7 a48-931tf a48-930tf STEP 8 STEP 9 STEP 10 Fig. 3 — To Light Unit 3 T T A A N N

Summary of the content on the page No. 4

6. Move the switch on the gas valve to the ON position. 3. Turn off the electrical power to the unit using the optional disconnect or the field-installed disconnect and lock off 7. Replace the gas section access panels. using proper lockout and tag-out procedures. 8. Turn on the electrical supply to the units. 4. Remove the gas section panels. 9. Open the field-installed manual gas valve. 5. Move the switch on the gas valve to the OFF position and 10. Using the BACview controller, enable the uni

Summary of the content on the page No. 5

T A N a48-925tf a48-924tf STEP 1 STEP 2 STEP 3 ON OFF STEP 5 STEP 4 STEP 6 Fig. 4 — To Shut Unit Off Air Filter(s) — Air filter(s) should be checked monthly and changed when necessary. Units may have either 2-in. or WARNING 4-in. thick filters. For units with 2-in. thick filters, all filters will be 20 x 24 x 2-in. size. For units with 4-in. thick filters, filters Never operate your unit without filters in place. Failure to may be 20 x 24 x 4-in. size or 20 x 20 x 4-in. size. The filter ac- h

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5. When you have completed your inspection, follow the To Indoor-Fan Motor, Outdoor-Fan Motor, and Light Unit section in this manual to restore your unit to Combustion Fan Motor — Lubrication is not recom- operation. mended. Bearings will not require lubrication for at least 5 years of normal operation. After 5 years, motor life can be 6. Observe unit heating operation. Watch the burner flame extended by having the motors serviced at an authorized motor to see if it is bright blue. If you obser

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NOTE: Before proceeding with the next check, turn OFF the BEFORE YOU CALL FOR SERVICE, electrical power supply to the unit. Remove the gas section CHECK FOR PROBLEMS access panels. THAT CAN BE EASILY SOLVED ( ) During the heating season, check the switch on the gas If insufficient heating or cooling is suspected: valve. Is it in the ON position? If it is not, be sure it has not ( ) Check for sufficient airflow. Check the air filter for dirt. been turned off for the purpose of safety. If no safet

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Copyright 2009 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53620003-01 Printed in U.S.A. Form 62D-1SO Pg 8 1-09 Replaces: New