Gasketed Spiral Metal Duct System Installation Manual

2
STEPS 1 AND 2: REFER TO FAN COIL UNIT INSTALLATION MANUAL
STEP 3: ATTACHING SUPPLY AIR PLENUM ADAPTOR (AC-SM9-PA)
NOTICE: If unit is to be located in the attic and installed through ceil-
ing joists, attach supply air plenum adaptor in attic.
A. HORIZONTAL DISCHARGE: Refer to Figure 2.8.
Remove backing from gasket and mate it to fan coil unit so blower
opening is centered in plenum adaptor opening and adaptor is
flush with bottom of unit. Place plenum adaptor over discharge
opening and align with the (4) unit holes surrounding the blower
opening. Secure adaptor to unit with sheet metal screws provided.
FIGURE 2.8
B. TO CONVERT TO VERTICAL DISCHARGE:
Refer to Figure 2.9A & 2.9B
Tools required: 1/4", 5/16", 3/8", 7/16" box wrenches and nut
drivers, 5/32" Allen wrench, utility knife & Malco S-3 offset
hand seamer (3" duct-bill pliers).
Field supplied: latex caulk, UL classified duct liner adhesive (or
equivalent).
NOTICE: An Electric Heat Module cannot be installed after unit
has been field converted to vertical supply air discharge (due to
resulting blower housing obstruction).
Refer to Figure 2.9A for Steps 2 to 8a.
1. Place unit horizontally on a flat raised surface.
2. Remove all side access panels, return air panel and
cover plate from top panel.
3. Remove top panel by removing top/center screw from
electric control box and panel screws.
4. Remove (4) screws securing front panel flange to blower
housing.
5. Remove sealant around discharge opening.
6. Remove (3) remaining screws from electrical control box.
Set box aside.
7. Remove (2) screws attaching blower housing to motor
support channel flange.
8a. Remove (6) screws attaching motor mounting base to
motor support channel.
Refer to Figure 2.9B for Steps 8b to 18.
SECTION 2: INSTALLATION
SPL-0130B
Legend
Item No. Capacity
2 2430
3 3642
4 4860
90° Plenum Elbow
AC-SM9-EL90
Fan Coil Unit
(See Legend)
Return Air Duct
2 BM-6808-10
3 BM-6809-10
4 BM-6839-10
Plenum Tee
AC-SM9-T
Plenum End Cap
AC-SM9-EC
Kwik Connect
Wall Elbow
AC-KCWE
Supply Tubing
AC-ST6-100
Secondary Drain Pan
2 ACS-BASE-2
3 ACS-BASE-3
4 ACS-BASE-5
Return Air Box Assembly
ITEM NO FILTER AIR CLEANER
2
BM-9149
AC-RBC-2
3
AC-RBF-3 AC-RBC-3
4
BM-9169
AC-RBC-4
Plenum Adaptor
AC-SM9-PA
Plenum Duct (6FT Length)
AC-SM9-6
Round Plenum Take-Off
AC-TORD
Kwik Connect
BM-6818
Sound Attenuating Tube
BM-6926
Terminator Plate
BM-6845
Winter Supply Air Shut-Off
BM-6819
Balancing Orifice
27-6123 (15%)
27-6124 (35%)
27-6125 (50%)
Duct Strap
Coupling
AC-SM9-C
SmartSeal duct components shown above without factory supplied R8.0 insulated jacketry.