42S –
Vertical Stack Unit
Product Type
GA
GM
GS
HA
JA
JB
UB
Unit Size – Airflow (cfm)
03 – 300
04 – 400
06 – 600
08 – 800
10 – 1000
12 – 1200
Coil
A
– 3 Row (Std)
B
–4 Row
D – 3/1 Same End
F – 3/2 Same End
H – 4/1 Same End
Motors
C – 120/1/60 PSC 3-Speed
D – 208/1/60 PSC 3-Speed
E – 230/1/60 PSC 3-Speed
F – 277/1/60 PSC 3-S
peed
Heaters*
Y –None
Arrangement*
Filters
A – 1 in. Throwaway (Std)
B – 1 in. Permanent
F
– 1 in. Pleated (MERV 7)
Cabinet Insulation
F – ½ in. Foil Face
P – ½ in. Closed Cell (Unit)
T – ½ in. Closed Cell (Supply)
Y – ½ in. Fiberglass (Std)
– Std Riser Piping, 1-Cabinet Upsize, Std Cabinet Height
– Std Riser Piping, 2-Cabinet Upsize, Std Cabinet Height
– Std Riser Piping, Std Cabinet Size, Short Cabinet Height
– Std Riser Piping, 1-Cabinet Upsize, Short Cabinet Height
– Std Riser Piping, 2-Cabinet Upsize, Short Cabinet Height
– Reverse Riser Piping, Std Cabinet Size, Std Cabinet Height
– Reverse Riser Piping, 1-Cabinet Upsize, Std Cabinet Height
– Reverse Riser Piping, 2-Cabinet Upsize, Std Cabinet Height
– Reverse Riser Piping, Std Cabinet Size, Short Cabinet Height
– Reverse Riser Piping, 1-Cabinet Upsize, Short Cabinet Height
– Reverse Riser Piping, 2-Cabinet Upsize, Short Cabinet Height
–
Std Riser Piping, Std Cabinet Size, Std Cabinet Height
Thermostat Package*
YY – Std Manual 3-Speed Switch
42S GA 06 B F YAAFYYY
Riser Piping, Cabinet Height and Upsizing†
A
B
C
D
F
R
S
T
U
V
W
Y
– Furred-In Single
– Furred-In Master
– Furred-In Slave
– Cabinet/Exposed
– Furred-In Back-to-Back Master
– Furred-In Back-to-Back Slave
– Furred-In Universal
MA
– Furred-In Mega
14 – 1400
16 – 1600
20 – 2000
C
–5 Row
G – 120/1/60 High Static PSC 3-Speed
H – 208/1/60 High Static PS
C 3-Speed
I – 230/1/60 High Static PSC 3-Speed
J – 277/1/60 High Static PSC 3-Speed
K – 120V ECM with Control Option 1
L – 208V ECM with Control Option 1
M– 230V ECM with Control Option 1
N – 277V ECM with Jumper Field Speed Adjustment
O – 120V ECM with Control Option 3
P
– 208V ECM with Control Option 3
Q – 230V ECM with Control Option 3
R – 277V ECM with Rheostat Field Speed Adjustment
S – 120V ECM with Control Option 2
T – 208V ECM with Control Option 2
U – 230V ECM with Control Option 2
V – 277V ECM with Variable Flow for 0-10 VDC
L – 1 in. Pleated (MERV 13)
W– 277V ECM with Control Option 3
Z – 277V ECM with Control Option 2
1 – 115V ECM with J
umper Field Speed Adjustment
2 – 208V ECM with Jumper Field Speed Adjustment
3 – 230V ECM with Jumper Field Speed Adjustment
4 – 115V ECM with Rheostat Field Speed Adjustment
5 – 208V ECM with Rheostat Field Speed Adjustment
6 – 230V ECM with Rheostat Field Speed Adjustment
7 – 115V ECM with Variable Flow for 0-10 VDC
8 – 208V ECM with Variable Flow for 0-10 VDC
9 – 230V ECM with Variable Flow for 0-10 VDC
A – 277V ECM with Control Option 1
Control Option 1 – 3-Discrete Potentiometer
Field Speed Adjustment
Control Option 2 – Variable Flow 0-10 VDC
or 4-20 mA
Control Option 3 – 4-Discrete Potentiometer
Field Speed Adjustment
†An upsized cabinet is one size bigger than the standard cabinet.