210.100-IOM (JUL 2021)
Page 16
AcuAir Hygienic Air Units
Installation
Figure 10: Cross section of split wall assembly - AcuAir Performance Series only
EXTERIOR SKIN
APPLY POLYURETHANE CAULK TO SURFACE
AFTER REASSEMBLING SECTIONS
LINER
INTERNAL RECONNECT
.25-20 X .75 HEX BOLT WITH .25 FLANGED LOCKNUT
(SUPPLIED BY JOHNSON CONTROLS)
POLYURETHANE CAULKED
BETWEEN SECTIONS IN FIELD
Figure 11: Multi-section reconnect sealing of AcuAir
performance series units
INTERNAL
RECONNECT
FLANGE
.25” MIN DIA CONTINUOUS
POLYURETHANE CAULK
SEE NOTE 1
HARDWARE
START POINT
SEE NOTE 4
Installing and sealing the
reconnection attachment
1. Apply a generous amount of polyurethane caulking to
the two faces of the housing and split plate as shown.
2. Pull sections together from the base split plate until
they meet.
3. Clamp off bottom leg of reconnect until no gaps are
visible.
4.
Install the reconnection flange hardware starting from
the middle of the bottom angle working around to the
middle of the top angle, making use of a drift pin to
align the holes. Bar clamps may be needed to align the
roofs together. If bar clamps are needed use wood for
protection in between the bar clamp and unit.
5. After joining the unit sections, contractor to seal the
exterior and interior reconnect seam with polyurethane
caulk.
HARDWARE
START POINT
SEE STEP 4