Carrier 48HG14---28 - Manuals

5 LOCK-OUT TAG ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 Run Status Service Test Temperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE Run Status Service Test Temperature Pressures Setpoi...

6 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...

8 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 OFF ON CONTROL I.D.LABEL 1/4˝ X .032˝ MALE SPADETERMINALS (2) COMMON SWITC...

9 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...

10 Combustion Area and Vent System The combustion area and vent system should be visually inspectedbefore each heating season. The normal accumulation of dirt, soot, rust, and scale can result in loss of efficiency and improper performance if allowed to build up. FIRE HAZARD Failure to follow this w...

11 7. Inspection of all supply--air and return--air ducts for leaks, obstructions, and insulation integrity. Any problems found should be resolved at this time. 8. Inspection of the unit base to ensure that no cracks, gaps, etc., exist which may cause a hazardous condition. 9. Inspection of the unit...