Carrier 48HG014-028- Manuals

5 TO LIGHT UNIT (UNITS WITH COMFORT LINK ™ CONTROL) (CONTINUED) See Fig. 1 for location of gas valve. Refer to Fig. 3 while proceeding with the following steps. Step 1 — Turn off the unit demand for cooling or heating by using the Scrolling Marquee. The Scrolling Marquee is located inthe control box...

7 LOCK-OUT TAG ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 Run Status Service Test Temperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE C07351 Fig. 5 -- To Shut Unit Off (Units with Comfort Link t Control) If u...

8 ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Before proceeding with those things you might want to maintain yourself, please carefully consider the following: FIRE, EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage.1.Turn off gas...

9 Fan Shaft Bearings Lubrication should only be done by qualified service personnel.Contact your dealer for the required annual maintenance. Evaporator and Condenser Coils Cleaning of the coils should only be done by qualified service personnel. This procedure should be performed prior to coolingope...

10 10. Inspection of all electrical wiring and components to assure proper connection. 11. Inspection for leaks in the refrigerant circuit. Pressure--check to determine appropriate refrigerant charge 12. Operational check of the unit to determine working conditions. Repair or adjustment should be ma...