MODEL NOMENCLATURE—COMMERCIAL
H
Model Type
C
H
Configuration
H = Horizontal
V = Vertical
036
Unit Size
MBTUH
006 (HCH) Only
009
012
018
024
030
036
042
048
060
B
Revision Level
1
Voltage
0 = 115V
1 = 208/230 /1
3 = 208/230 /3
4 = 460 / 3
5 = 575 /3
8 = 265 /1
C
Controls
C = Electronic Controller (CXM)
3
Cabinet Range Insulation, Type
3= Standard Range and Insulation, Heat Pump
4 = Standard Range and Extra Quiet, Heat Pump
C = Standard Range and Cooling Only
0
Water Circuit Options
0 = None
3 = Disch. Press. Reg w/Cool Only Unit
C
Heat Exchanger/Options
C = Copper Wtr Coil
A = Copper Wtr Coil, E-Coated Air Coil
N = Cupro-Nickel Wtr Coil
J = Cupro-Nickel Wtr Coil, E-Coated Air Coil
R
Return and Drain Pan
L = Left Return - Painted D.P. - V = L.R. – S.S.
R = Right Return - Painted D.P. - W = R.R. – S.S.
F = Front Return - Painted
D.P. - Z = F. R. – S.S.
S
Supply Air
T = Topflow – Vertical Only
S = Straight Discharge
B = Back Discharge
V = Top and High Static
Z = Straight and High Static
Y = Back and High Static
1
2
3
456
7
8
9
10
11
12
13
14
Table of Contents
Model Nomenclature
1
Storage
3
Pre-Installation
3
Physical Data
4
Dimensional Data
5
Horizontal Unit Installation
7
Field Conversion of Air Discharge
9
Condensate Piping Installation
10
Duct System Installation
10
Vertical Unit Location
11
Piping Installation
13
Water Loop Application
14
Water Quality Standards
15
Electrical - Line Voltage
16
Power Wiring
17
Electrical - Low Voltage Wiring
18
Low Water Temperature Cutout Selection
18
Water Valve Wiring
19
Thermostat Wiring
20
Electrical Wiring Schematics
21
CXM Controls
22
Unit Start-Up and Operating Conditions
24
Piping System Cleaning & Flushing
24
Unit and System Checkout Procedure
25
Unit Start-Up Procedure
26
Coax Pressure Drop Table
27
Operating Pressures
28
Preventive Maintenance
29
Functional & Performance Troubleshooting
30
Refrigerant Circuit Diagram
32
NOTE: Above model nomenclature is a general reference. Consult individual specification catalogs for detailed information.
