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6
Fig. 2 - Typical installation - 50RHE units
Field-supplied transition to
minimise pressure loss
Supply air
Insulated supply duct with at
least one 90
°
elbow to reduce
air noise (field-supplied)
Flexible
connection
Field-supplied electric
heat (if applicable)
Unit power
disconnect
Unit hanger
Power wiring
Unit power
Thermostat
wiring
Field-supplied
stainless steel
braid hose with
integral swivel
Ball valve with optional integral P/T plug
(typical for supply and return piping)
Water out
Water in
Low pressure drop water
control valve (optional)
(field-installed accessory)
Balancing valve
(field-installed and
calibrated accessory)
Water in
Water out
Supply loop
Return loop
Return air
(ductwork
not shown)
3/8” threaded rods
(by others)
Filter access
Unit hanger isolation detail
3/8” threaded rod
(by others)
Vibration isolator (white
compressor end and red
blower end) size 042-070
Washer (by others)
Double hex nuts
(by others)
50RHR,RHS: Install screw as shown on
sizes 042-060. Optional on smaller sizes
Integral hanger support,
pre-attached in factory
50RHC: Screw must only be
1/2” long to prevent damage