Model noMenClature
Note: Text displayed in Bold-Italics designate standard offering.
Category Code Item Code Option Code Designation & Description (Bold-Italic = Standard)
Product Category 1 1 W = Water Source Heat Pump
Model Type 2 2, 3, 4 VHC = Vertical Stacked Heat Pump Chassis
VHF = Vertical Stacked Heat Pump Cabinet
VHW = Vertical Stacked Geothermal Chassis only
Design Series 3 5 3 = 3rd Design
4 = 4th Design (Sizes 015 only)
Unit Size 4 6, 7, 8 009 = 9,000 Btuh Nominal Cooling
012 = 12,000 Btuh Nominal Cooling
015 = 15,000 Btuh Nominal Cooling
018 = 18,000 Btuh Nominal Cooling
021 = 21,000 Btuh Nominal Cooling
024 = 24,000 Btuh Nominal Cooling
030 = 30,000 Btuh Nominal Cooling
036 = 36,000 Btuh Nominal Cooling
Controls 5 9 B = MicroTech III Unitary Controller - Standalone
C = Microtech III Unitary Controller w/LonWorks Comm Module
D = Microtech III Unitary Controller w/BACnet Comm Module
F = Microtech III Unitary Controller w/BACnet Comm Module - WSHP System
Voltage 6 10 A = 115/60/1
E = 208-230/60/1
J = 265-277/60/1
Secondary Drain Pan 7 11, 12 GL = Standard Galvanized
SS = Stainless Steel - IAQ Option
YY = None
Refrigerant 8 13 A = R410A
Motorized 2-way Isolation Valve 9 14 C = 2-Way Motorized 1/2" Iso-Valve, General Close-Off Pressure N.C.
(Normally Closed)
V = 2-Way Motorized 1/2" Iso-Valve, General Close-Off Pressure N.O.
(Normally Open)
H = 2-Way Motorized 1/2" Iso-Valve, High Close-Off Pressure N.C. (Normally Closed)
D = 2-Way Motorized 3/4" Iso-Valve, General Close-Off Pressure N.C. (Normally Closed)
K = 2-Way Motorized 3/4" Iso-Valve, General Close-Off Pressure N.O. (Normally Open)
J = 2-Way Motorized 3/4" Iso-Valve, High Close-Off Pressure N.C. (Normally Closed)
E = 3-Way Motorized 1/2" Iso-Valve, General Close-Off Pressure N.C. (Normally Closed)
G = 3-Way Motorized 1/2" Iso-Valve, High Close-Off Pressure N.C. (Normally Closed)
M = 3-Way Motorized 3/4" Iso-Valve, General Close-Off Pressure N.C. (Normally Closed)
P = 3-Way Motorized 3/4" Iso-Valve, High Close-Off Pressure N.C. (Normally Closed)
B = Auto-Reg-PT
Y = None
Chassis Construction Type 10 15 A = 1/2" Fiberglass Skin Faced
E = 3/8" Closed Cell Foam
Note: F = 1/2" Fiberglass - Foil Faced
A compressor sound blanket is not recommended Y = None
for units with a rotary compressor 16 M = Mass Plate & Comp Blanket (Unit Sizes 024-036 Only)
(Unit sizes 009-021) S = Mass Plate Only
Coaxial Heat Exchanger
Construction 11 18 C = Copper Inner Tube - Steel Outer Shell
S = Cupronickel Inner Tube - Steel Outer Shell
Discharge Air 13 20 B = Primary Supply - Back
F = Primary Supply - Front
L = Primary Supply - Left
R = Primary Supply - Right
T = Primary Supply - Top
Y = None
21 B = Secondary Supply - Back
F = Secondary Supply - Front
L = Secondary Supply - Left
R = Secondary Supply - Right
T = Secondary Supply - Top
Y = None
22 T = Tertiary - Top
Power Connection 14 23 F = Fused Disconnect with Wire Harness
N = Non-Fused Disconnect with Wire Harness
H = HACR Breaker
IM 986-11 • Vertical Stack WSHP 4 www.DaikinApplied.com
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