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LX ULTRA SERIES INSTALLATION MANUAL
Model Nomenclature
1-2
3
4
5-7
YG
S
V
036
Model Type
YG – YG Series
Operation Range
S – Single Stage
Cabinet Configuration
V – Vertical
H - Horizontal
Unit Capacity (MBTUH)
009, 012, 015, 018,
023 (Horizontal Only)
024, 030, 036,
041 (Vertical Only)
042, 048, 060, 070
Discharge Configuration
T – Top (Vertical)
E – End (Horizontal)
S – Side (Horizontal)
Return Air Configuration
L – Left
R – Right
Voltage
0 – 208-230/60/1
2 – 265-277/60/1 (009-030)
3 – 208-230/60/3 (023-070)
4 – 460/60/3 (023-070)
5 – 575/60/3 (PSC Only 041-070)
Hot Water Generation Option
0 – No HWG, No GeoStart
2 – HWG without Pump, No GeoStart (V015 – 070)
3 – No HWG, GeoStart
5 – HWG without Pump, GeoStart
Blower Options
0 – PSC Blower
1 – Variable Speed ECM Blower (015-070)
2 – High Static Variable Speed ECM Blower (042-048)
3 – High Static PSC Blower (024, 030, 042, 048)
4 – 5-Speed ECM Blower (015-070)
Water Coil Option
C – Copper
N – CuproNickel
Sound Kit Option
A – None
B – Sound Kit (Not Available on H009-012)
Note: Phase Guard Only Available on 208-230/60/3, 460/60/3, and 575/60/3
50VA Transformer with Aurora
8
9
10
11
12
13
14
T
L
0
0
0
C
A
15
16
17
18
19
20
21
N
N
A
5
N
0
0
4
22-23
24
SS
*
Vintage
* - Factory Use Only
Non-Standard Options
SS – Standard
Drain Pan Option
0 – Composite, No Secondary Connection
1 – Composite, Secondary Connection
2 – Stainless Steel, No Secondary Connection
3 – Stainless Steel, Secondary Connection
Cabinet Option
0 – Unpainted, 1 in MERV 4, Filter Rail
1 – Painted, 1 in MERV 4, Filter Rail
2 – Unpainted, 2 in MERV 13, Filter Rail
3 – Painted, 2 in MERV 13, Filter Rail
4 – Unpainted, 1 in MERV 4, Filter Rack
5 – Painted, 1 in MERV 4, Filter Rack
6 – Unpainted, 2 in MERV 13, Filter Rack
7 – Painted, 2 in MERV 13, Filter Rack
Phase Guard
N – No Phase Guard, No Disconnect
P – Phase Guard, No Disconnect
B – Phase Guard, Disconnect
D – No Phase Guard, Disconnect
All-Aluminum Air Coil Option
TM
5 – AlumiSeal
, Extended Range
6 – AlumiSeal, Standard Range
7 – No Coating, Extended Range
8 – No Coating, Standard Range
Control Option
TM
A – Aurora
Base Control (ABC)
Water Control Option
N – None
R – Water Flow Regulator (015-070)
V – 2-Way Valve (015-070)
B – 2-Way Valve w/ Water Flow Regulator
(015-070)
Refrigeration Option
0 – None
G – Hot Gas Bypass (015-072)
R – Hot Gas Reheat (015-072)
B – Hot Gas Bypass w/Hot Gas Reheat (015-072)
Rev.: 29 October 2013D
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Troubleshooting
