Bard MEGA-TEC W090A, Service Instructions Manual

Page: 68 / 159

Manual 2100-705B
Page 6 of 43
LIST OF NECESSARY MATERIALS/TOOLS
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
• SG-10W supply grille and RG-10W return grille
• Field-fabricated sleeves (if necessary)
• Fasteners sufficient for mounting the units such as
5/16" diameter anchor/lag bolts
• 7/8" diameter washers
• Fasteners appropriate for the shelter wall
construction to attach the controller to the wall
• 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. The unit
is supplied with lifting lug plates on each side at
top of unit. Remount in upright position for use
(see page 9).
• Electrical supplies
- Various size circuit breakers for the shelter AC
breaker box (see Tables 2A or 2B on page 15)
- High-voltage wire of various gauges
(see Tables 2A or 2B)
- 16 gauge minimum, 14 gauge maximum power
wire to connect controller to shelter power source
- 5-wire, 18 gauge shielded cable for remote
temperature and humidity sensors (2-wire, 18
gauge shielded cable for temperature-only sensors)
- Communication wire: 2-wire, 18 gauge, shielded
with drain
- 18 gauge non-shielded wire for connecting
emergency off, emergency vent and/or generator
relays, if applicable, to controller
- CAT 6 Ethernet cable of field-determined length
(for remote communication, if applicable)
- 2 hole grounding lug (to be used with supplied
1/4" bolts and nuts for grounding controller box)
- Miscellaneous electrical supplies including rigid/
flexible conduit and fittings, 2" x 4" junction
boxes (one per temperature/humidity sensor),
wire connectors and supports
FIGURE 1
MEGA-TEC Wall-Mount Unit Model Nomenclature
MODEL SERIES
NOMINAL TOTAL CAPACITY
090 – 7.5 Ton 3 Stage Capacity
120 – 10 Ton 3 Stage Capacity
150 – 12.5 Ton 3 Stage Capacity
W 120 A P B 0Z E P X X X X
REVISION
CONTROL LOGIC AND CLIMATE OPTIONS
P – Programmable Logic Board
E – Electric Reheat Dehumidification
VOLTS & PHASE
E – 240/220-50-3
Q – 575/60/3
V – 415/380-50-3
KW
0Z – O kW with Circuit Breaker
09 – 9 kW with Circuit Breaker
18 – 18 kW with Circuit Breaker
VENT
B – No Vent
E – Economizer (DB and WB)
B – 230/208-60-3
C – 460-60-3
COIL AND UNIT COATING OPTIONS
X – Standard
1 – Coated Evaporator
2 – Coated Condenser
3 – Coated Evaporator and Condenser
OUTLET
X – Standard
PACKAGING OPTIONS
X – None, Standard Wood Skid
1 – White Steel Skid/Platform
2 – Wood Skid with Crate
3 – White Steel Skid/Platform with Wood Crate
FILTER OPTIONS
M – MERV11 Disposable
P – MERV8 2" Pleated
N – MERV13 2" Pleated
COLOR
X – Beige Baked Enamel Finish
1 – White Baked Enamel Finish
4 – Gray Baked Enamel Finish