Sepm'ate heating and cooling set points and auto-changeover capability allow occupied and unoccupied programming for energy savings. During power interruption the internal memory stores temperature and mode settings for an unlimited time. Batteries are not required. OPERATION Thermostat Display --The thermostat display is located in the top center of the thermostat. See Fig. 1. The following information can be displayed on the screen: • mode (OFF. HEAT. COOL, EHEAT, or AUTO) • fan setting (ON or

Allow 30-in. clearance to service end of unit and 48 in. above unit. For proper airflow, a 6-in. clearance on 1 side of unit and 12 in. on all remaining sides must be maintained. Maintain a distance of 24 in. between units. Position so water, snow, or ice from roof or eaves cannot fall directly on unit. C B A 3.8.D. (9.53) TIEDOWN KNOCKOUTS (2) PLACES A94199 Dimensions (In.) UNIT MINIMUM MOUNTING-PAD TIEDOWN KNOCKOUT LOCATIONS SIZE DIMENSIONS A B C 018-024 22-1/2 X 22-1/2 3-11/16 18-1/8 14-3/8 0

Group IV (40 F Sat. Suet, 105 F Sat. Disch, 15 F pressure. Superheat, OF Subcooling) Table 2 - Physical Data - R-12, R-500, R22, R-502 Duplex Compressors DUPLEX COMPRESSOR MODEL 5H40-60 5H60-60 5H60-80 5H80-80 5H80-120 5H120-120 R-12 60 75 100 100 125 150 Nominal Horsepower R-500 75 100 100 125 150 175 R-22 100 125 150 150 200 250 R-502 100 125 150 150 200 250 Number of Cylinders 10 12 14 16 20 24 Bore (in ) 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 Stroke (in ) 2-3/4 2-3/4 2-3/4 2-3/

2 — 30GT Stub Locations Fig. 3 — 30GT Hot Gas Solenoid Wiring LEGEND COM — Common NC — Normally Closed TC — Temperature Controller HGS — Hot Gas Solenoid NO — Normally Open U1 — Unloader 1 Fig. 4 — 38AKS Hot Gas Bypass Piping INSTALLATION IN 38AKS014-024/INDOOR FAN COIL (CONSTANT VOLUME) SPLIT SYSTEM COMBINATION Step 1 — Install Piping (See Fig. 4) Shut off all power to the unit and remove refrigerant charge using an approved refrigerant recovery device before proceeding with installation. Failu

Secure cable to back side of cable tray using three snap-in wire ties. 15. In the Electrical/Compressor section, install snap bushing in the center knockout underneath the terminal strips located in the bottom right-hand corner of control box. 16. Connect wires to terminal strips as shown in Fig. 6 for ComfortLinkt units or Fig. 7 for Electro- --Mechanical Units. NOTE: This step is not needed with 48/50PG Humidi- --MiZert units because they have plug 19 harness already installed in the control b

Possible choices are Mo-Fr (Monday through Friday), Sa (Saturday), and Su (Sunday). Press the Mode button when the desired day is shown. 7. The Start Time for Occupied 1 for the chosen day will be displayed. Use the UP ARROW and DOWN ARROW buttons to raise or lower the time until the desired Start Time is shown. Press the Mode button to continue. See Fig. 5. 8. The Stop Time for Occupied 1 for the chosen day will be displayed. Use the UP ARROW and DOWN ARROW buttons to raise or lower the time un

3. Use drapes, curtains, or shades to keep direct sunlight from heating your room, but DO NOT obstruct the air conditioner. Allow air to circulate around the unit without obstructions. 4. Start your air conditioner before outdoor air becomes hot/cold and uncomfortable. This avoids an initial period of discomfort while the unit is cooling or heating off the room. 5. When outdoor temperature is cool enough, use HIGH or LOW FAN only. This circulates indoor air, providing some cooling comfort, and u

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. — 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 suppl

Keep unit as far away as possible from obstacles and obstructions and at least 30" above the floor or ground. Curtains and other objects within a room should be prevented from blocking the air flow. Window opening requirements (see table below) Awning Side obstruction Ground Fence, wall, or other obstacle. 12" Min. 30" Min. 20" Min. 20" Min. Fig.B ModelSize 8K-10K 12K 15-24K Cabinet size (W*H*D) 20.5" *14.8" *23.1" 22.8" *15.7" *24.1" 26.5" *18.5" *26.9" Min. Window opening 24" 27" 30" Max. Wind

50TFQ008-012 Single-Package Rooftop Heat Pump Units Installation, Start-Up and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS.........................1 INSTALLATION...................................1-43 Step 1— Provide Unit Support.......................1 • ROOF CURB • SLAB MOUNT • ALTERNATE UNIT SUPPORT Step 2 — Field Fabricate Ductwork..................3 Step 3 — Install Condensate Drain Line and External Trap.................................3 Step 4 — Rig and Place Un