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Model Number Description
EXVH/DXVH Models
Digits 1–3 — Unit Configuration
EXV = High Efficiency Vertical
DXV = Two-stage High Efficiency Vertical
EXH = High Efficiency Horizontal
DXH = Two-stage High Efficiency Horizontal
Digit 4 — Development Sequence
G
Digits 5–7 — Nominal Size (MBH)
009 = 9.0 MBH (EX only)
012 = 12.0 MBH (EX only)
015 = 15.0 MBH (EX only)
018 = 18.0 MBH (EX only)
024 = 24.0 MBH
030 = 30.0 MBH (EX only)
036 = 36.0 MBH
042 = 42.0 MBH (EX only)
048 = 48.0 MBH
060 = 60.0 MBH
070 = 70.0 MBH
Digit 8 — Voltage (Volts/Hz/Phase)
4 = 460/60/3
7 = 265/60/1
A = 208-230/60/1
B = 208-230/60/3
Digit 9 — Heat Exchanger
1 = Copper-Water Coil
2 = Cupro-Nickel Water Coil
7 = Insulated Copper-Water Coil/Suction Line
8 = Insulated Cupro-Nickel Water Coil/Suction Line
Digit 10 — Design Sequence
A = First Design Sequence
Digit 11 — Refrigeration Circuit
0 = Heating and Cooling Circuit
2 = Heating and Cooling Circuit with Hot Gas
Reheat
3 = Heating and Cooling Circuit with Waterside
Economizer
4 = Heating and Cooling Circuit with Waterside
Economizer, Hot Gas Reheat
Digit 12 — Blower Configuration
K = Variable ECM Motor, Constant Torque
6
Digit 13 — Freeze Protection
2
A = 20°F Freezestat (For Glycol Loop)
B = 35°F Freezestat (For Water Loop)
Digit 14 — Open Digit = 0
Digit 15 — Supply-Air Arrangement
T = Top Supply-Air Arrangement
B = Back Supply-Air Arrangement
L = Left Supply-Air Arrangement
R = Right Supply-Air Arrangement
Digit 16 — Return-Air Arrangement
L = Left Return-Air Arrangement
R = Right Return-Air Arrangement
Digit 17 — Control Types
D = Deluxe 24V Controls
H = Symbio™ 400-B/UC400-B
J = Symbio 400-B/UC400-B w/Air-Fi® Wireless
Communications
Digit 18 — Tstat/Sensor Location
0 = Wall Mounted Location
Digit 19 — Fault Sensors
1 = Condensate Overflow Sensor
3 = Condensate Overflow and Filter Maintenance
Timer
6 = Condensate Overflow and Fan Status
J = Fan Status, Filter Maintenance Timer and
Condensate Overflow Sensor
Digit 20 — Temperature Sensor
0 = No Additional Temperature Sensor
1 = Entering Water Sensor
Digit 21 — Insulation
1 = Matte Faced Insulation
2 = Foil Faced Insulation
Digit 22 — Electric Heat
0 = No Electric Heat
6 = Field Mounted External Boilerless LOW Electric
Heat
7 = Field Mounted External Boilerless MED Electric
Heat
8 = Field Mounted External Boilerless HIGH
Electric Heat
9 = Boilerless Electric Heat Ready
Digit 23 — Unit Mounted Disconnect
0 = No Unit Mounted Disconnect
2 = Unit Mounted Disconnect
Digit 24 — Filter Type
1 = 1-inch Throwaway Filter
2 = 2-inch Throwaway Filter
4 = 2-inch MERV 8
5 = 2-inch MERV 13
Digit 25 — Acoustic Arrangement
1 = Standard Sound Attenuation
2 = Deluxe Sound Attenuation
Digits 26–36 — Does Not Apply
00000000000 = Digits 26-36 are not applicable to
the EXV or DXV products
Digit 37 — Ducted Filter Rack
0 = Non-ducted filter rack
A = Ducted Filter Rack Side Access/LH-RH
C = Ducted Filter Rack (Bottom Access)
Digit 38 — Isolation Valve
0 = No Isolation Valve
1 = Factory Mounted Isolation Valve
Digit 39 — Power Connection
1 = Single Point
2 = Electric Heat Power Separate from Unit
Digit 40 — Drain Pan
A = Polymer Drain Pan
B = Stainless Steel Drain Pan
Model Number Note:
Notes:
1.
Deluxe Sound option to be made available in
later product release.
2.
20°F Freezestat is typically used in a
geothermal application. 35°F Freezestat is
typically used in a boiler/tower application
WSHP-SVX014J-EN
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