Fan coil Williams Low-Static Horizontal Rear Return-Air Plenum (LH-R)
COOLING CAPACITY
Williams LH (Low Static) Series horizontal fan coils have been rated in accordance with AHRI Standard 440-2005 for room fan-coil air-conditioners and are certified by AHRI to meet the following product performance ratings:
LH-R Rear Return-Air Plenum Horizontal
Notes: 1) Based on 80°F DB and 67°F WB EAT, 45°F EWT, 10°F temperature rise, high fan speed. Motor voltage 115/1/60 power source. Air flow under dry coil conditions. Water pressure drops shown in feet of water.
HEATING PERFORMANCE
Notes: 1) Based on 70°F DB EAT, 180°F EWT, 40°F temperature drop, high fan speed. Motor voltage 115/1/60 power source. Air flow under dry coil conditions. Water pressure drops shown in feet of water.
Features
- 200 to 1,200 CFM
- Low-profile design is effective above drop ceilings, in closets and fits into places with tight vertical dimensions
- Low static, direct-drive designed for jobs where low-static pressure is required
- Blow-through design
- Heavy-gauge galvanized steel cabinet insulated with 1/2" thick, over three-pound density, neoprene-coated fiberglass
- Includes galvanized, rear return-air plenum insulated with 1/2" neoprene-coated fiberglass
- One-inch fiberglass, throwaway filter
- Coils are manufactured of copper tube with aluminum fins and are 100% underwater pressure tested to 350 PSI with a 300 PSI working pressure
- Three-speed, 115/1/60 motor with quick-connect plug
- Galvanized drain pan is finished with a powder-coated epoxy, 1/8" thick insulation and features primary and secondary drain connections
- Controls and motors are factory-wired and terminated in a junction box for single-point power supply
- One-inch duct collar on return- and supply-air openings
- Protective covers keep the grille openings free of debris during shipment and construction
- Individually tagged, crated and shipped as scheduled for installation
- ETL and AHRI certified; 100% factory tested
Options
Systems
- DX
- Chilled-Water
- Hot-Water
- Electric Resistance
- Steam
In any combination of the above
Insulation
- Thickness up to 1"
- Fiberglass
- Foil-face
- Elastomeric
Coils
- Copper fins/tubes
- Phenolic-coated
- Stainless-steel end plates
- Right, left or opposite-end connections
- TXV - factory-mounted
- Freeze protection
- Custom fin spacing
Drain pans
- Stainless-steel
- Extended
- Drip tray
- Condensate float switch
- Condensate pumps
Filters
- Two-inch thick throwaway
- Washable
- Pleated
Cabinets
- Marine duty
Electrical
- Motors
- 115, 208, or 277
- Single or three phase
- 50 or 60Hz
- ECM
- Line or low voltage
- 1 to 5 kW electric resistance heat
- Disconnects
- Fused
- Non-fused
- Condensate float switch
- Condensate pumps
- Thermostats
- UV Light
- Controls
- Flow control
Accessories Options
- Thermostats
- Ultraviolet lights
- Condensate float switch
- Condensate pumps
- TXV - factory-mounted
- Controls - wide selection of factory-mounted valves and controls
- Flow-control pump for water heating applications
