List Of Necessary Materials/Tools; Multi-Tec Model Nomenclature - Bard W18AAPA Installation Instructions Manual

Additional hardware and miscellaneous supplies are needed for installation. These items are field supplied and must
be sourced before installation. This list also includes tools needed for installation.
LIST OF MATERIALS/TOOLS
• Personal protective equipment/safety devices/anti-
static wrist straps
• Supply and return grilles
• Field-fabricated sleeves (if necessary)
• Fasteners sufficient for mounting the units such as
5/16" diameter anchor/lag bolts
• 7/8" diameter washers
• Commercial grade outdoor silicone sealant
• Miscellaneous hand and power tools and jobsite or
shop materials
• Lifting equipment with the necessary capacity and
rigging to safely move/install the systems
W 36
MODEL SERIES
CAPACITY
18 – 1½ Ton 42 – 3½ Ton
24 – 2 Ton 48 – 4 Ton
60 – 5 Ton
30 – 2½ Ton
36 – 3 Ton 72 – 6 Ton
A – Right Hand
L – Left Hand
E – PLC Logic Board w/Electric Reheat
M – PLC Logic Board w/Mechanical Dehumidification 
A – 230/208/60/1
B – 230/208/60/3
C – 460/60/3
D – 240/220/50/1
 Reference Supplemental Instructions
7960-801 for complete details.

LIST OF NECESSARY MATERIALS/TOOLS

MULTI-TEC Wall-Mount Unit Model Nomenclature
A A P A
REVISION
P – PLC Logic Board
VOLTS & PHASE
E – 240/220/50/3
or 220/200/50/3
F – 415/380/50/3
Q – 575/60/3
• Electrical supplies
- Various size circuit breakers for the shelter AC
breaker box (see Tables 1, 2 and 3 on pages
18, 19 and 20)
- High-voltage wire of various gauges
(see Tables 1, 2 and 3)
- Communication wire: 3-wire, 20 gauge
shielded cable
- Miscellaneous electrical supplies including
rigid/flexible conduit and fittings, junction
boxes, wire connectors and supports
FIGURE 1
10 5 X X
KW
FILTER OPTIONS
X – 1" Throwaway (Standard)
W – 1" Washable
P – 2" Pleated (MERV 8)
VENTILATION OPTIONS
B – Blank-off Plate
5 – Economizer
X X E
CONTROL MODULES
E – Low Ambient Control
C – Low Ambient Control
& Crank Case Heater
COIL OPTIONS
X – Standard
1 – Phenolic Coated Evaporator
2 – Phenolic Coated Condenser
3 – Phenolic Coated Evaporator
and Condenser
SUPPLY AIR OUTLET
X – Front (Standard)
COLOR OPTIONS
X – Beige (Standard)
1 – White
4 – Buckeye Gray
Manual 2100-678C
Page 5 of 26