Product specifications

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Warm Air freewatt
®
PLUS System requires evaluation of
many site specifi c conditions, including
Heat Loss Calculation•
Fuel Type & Existing Piping•
Existing Gas Appliances•
Footprint Available•
AC Power & Panel•
Existing Heating Appliance•
AsbestosA.
Chimney LinerB.
Existing A/C•
Existing Humidifi er•
Existing Electronic Air Cleaner•
Dampers•
Ductwork Sizing•
System Venting •
Concentric Vent•
Make-up Air•
Condensate Pump•
Condensate Drain•
Internet Connection•
Mounting Location for the APC UTS 6H•
Water Cooled or Air Cooled Heat Rejection System •
(Refer to Selection Example, Section 6)
Select proper fi ring rate of Warm Air • freewatt
®
PLUS
System (natural gas and propane) after performing heat
loss calculation.
Furnace component of system is available in following •
fi ring rates: 60, 80, 100 and 120 btu/hr.
Size furnace to deliver air required for air conditioning •
coil (tons of cooling) if cooling is required.
Not Supplied with System
Miscellaneous HVAC Components
Ductwork
Supply Manifold: Connection to furnace's supply •
opening
Return Manifold: Connection to furnace's return •
opening
Gas Piping & fi ttings
Furnace gas piping and gas stop valve•
MCHP gas piping and gas stop valve•
Air intake/Exhaust Vent
Furnace - 2" or 3" PVC piping & supports•
MCHP - 2" PVC vent piping & supports•
Outside Signage, if required•
Electrical Components
15 AMP 120 VAC Dedicated Circuit w/breaker •
connected to furnace w/service switch
15 or 20 AMP 240 VAC Dedicated Circuit to • freewatt
®
Transfer Switch
240 VAC DPST Service Switch at • freewatt
®
Transfer
Switch
Ethernet Cable for internet connection•
10 conductor Tstat Cable [Honeywell Genesis (22AWG •
10/C STR CM-CL2)]
2 Conductor Cable for Outdoor Temperature Sensor•
Audible CO Detector and Wiring per local Codes•
External Service Switch (it required)•
DHW Heating Circuit Components (WDJ models only)
Water Heater•
1/2 " Piping and Fittings (approved for potable water •
use)
Hot Water Recirulation circulator (Grundfos UP-10 or •
Taco 003 recommended)
Mixing Valve for Water Heater's HOT output to ensure •
anti-scald protection
120 VAC Wiring from HI Module to Circulator•
Condensate Pump & Tubing
Heat Rejection Piping and Fittings
SYSTEM DESIGN