Bard W42AC-A - Page 39

Manual 2100-692H
Page 3 of 44
Figure 23 Motor Connections .............................. 28
Figure 24 Motor Connections .............................. 29
Figure 25 Fan Blade Setting ............................... 30
Figure 26 Fan Shroud Removal ........................... 30
Figure 27 Speed Taps ......................................... 35
Figure 28 Speed Taps ......................................... 35
Figure 29 Dirty Filter Switch and Dirty Filter
Indicator Light/Reset Switch ................ 37
Figure 30 Adjusting Filter Switch ........................ 38
TABLES
Table 1 Clearance Required for Service Access
and Adequate Condenser Airow ........... 12
Table 2 Minimum Clearances Required to
Combustible Materials ......................... 12
Table 3 Additional Low Voltage Connections
(if applicable) ..................................... 19
Table 4 Low Voltage Connections for
DDC Control ....................................... 20
Table 5 Wall Thermostats ................................ 21
Table 6 Humidity Controls ............................... 21
Table 7 CO
2
Controllers ................................... 21
Table 8 Thermostat Wire Size ........................... 21
Table 9 Fan Blade Dimensions ......................... 30
Table 10 Cooling Pressure – Standard Airow ...... 31
Table 11 Cooling Pressure – Balanced Climate
Airow ............................................... 32
Table 12A Electrical Specs W42AC, W48AC ......... 33
Table 12B Electrical Specs W60AC, W72AC ......... 34
Table 13 Recommended Airow ......................... 35
Table 14 Blower Speeds for Unit Operational
Modes ................................................ 35
Table 15 Indoor Blower Performance .................. 39
Table 16 Maximum ESP Electric Heat Only ......... 40
Table 17 Electric Heat ...................................... 40
Table 18 Vent and Control Options ..................... 41
Table 19 Optional Accessories ........................... 42
GRAPHS
Graph 1 W42AC FAD-NE5 W/O Exhaust
Ventilation Delivery ............................. 43
Graph 2 W48AC FAD-NE5 W/O Exhaust
Ventilation Delivery ............................. 43
Graph 3 W60AC FAD-NE5 W/O Exhaust
Ventilation Delivery ............................. 44
Graph 4 W72AC FAD-NE5 W/O Exhaust
Ventilation Delivery ............................. 44
Air Conditioner Wall Mount Model Nomenclature
NOTE: Vent options X and B are without exhaust capability. May require separate field-supplied
barometric relief in building.

Insert “D” for dehumidication with hot gas reheat. Reference Form 7960-811 for complete details. Insert "R" for units with isolation
transformer for high resistance ground applications.
CONTROL MODULES
(See Spec. Sheet S3583)
COIL OPTIONS
X – Standard
1 – Phenolic Coated Evaporator
2 – Phenolic Coated Condenser
3 – Phenolic Coated Evaporator
and Condenser
4 – Coated Coils and Condenser
Section
5 – Coated Coils, Inside and
Outside of Unit
SPECIALTY PRODUCTS 
(Non-Standard)
W 42 A C – A 0Z X X X X X X
MODEL SERIES
REVISION
KW
A – Air Conditioner
PLACEHOLDER
X – Future Use
COLOR OPTIONS
X – Beige (Standard)
1 – White
4 – Buckeye Gray
5 – Desert Brown
8 – Dark Bronze
A – Aluminum
S – Stainless Steel
CAPACITY
42 – 3½ Ton
48 – 4 Ton
60 – 5 Ton
72 – 6 Ton
VENTILATION OPTIONS
X – Fresh Air Damper - No Exhaust (Standard)
A – Fresh Air Damper - With Barometric Exhaust
B – Blank-off Plate
D – DDC, 0-10V Economizer
M – Commercial Ventilator - ON/OFF Operation Only
R – Energy Recovery Ventilator - Motorized with Exhaust
V – Commercial Ventilator - No Hood with Exhaust
Y – Economizer - DB Full Flow
Z – Economizer - DB & WB, Full Flow
VOLTS & PHASE
A – 230/208/60/1
B – 230/208/60/3
C – 460/60/3
FILTER OPTIONS
X – 1" Throwaway (Standard) N – 2" MERV 13
W – 1" Washable B – NPBI TECH + 2" MERV 13
P – 2" Pleated A – UV-C + 2" MERV 13
M – 2" MERV 11