3/8" threaded rods
(by others)
Filter Access
Return Air (Ductwork
not shown)
Thermostat
Wiring
Power Wiring | |
minimize pressure loss | |
Supply Air |
|
Unit Power 
| Flexible |
| |
Insulated supply duct with | Connection |
| |
| Unit Power | ||
at least one 90 degree elbow | Accessory | ||
to reduce air noise | Disconnect | ||
Electric Heat | |||
(field supplied) |
| ||
(if applicable) |
| ||
|
|
Return Loop
Supply Loop
Water Out
Accessory stainless steel braid hose with integral “J” swivel
Water In
Balancing Valve (Field installed and calibrated accessory)
Low Pressure Drop Water Control Valve (optional) or
Water Out
Water In
Unit Hanger |
3/8" Threaded Rod (by others)
Vibration Isolator (white compressor end and red blower end)
Washer (by others) 
Double Hex Nuts (by others)
Integral hanger support-
Ball Valve Accessory with optional integral P/T plug (typical for supply and return piping)
a50-7842ef
UNIT HANGER ISOLATION DETAIL
Fig. 2 — Typical Installation — 50PCH Units
5
