Air Handler Data - Geostar ASTON Series Installation Manual

Model Nomenclature - Air Handler
Model
GAH – G Series Air Handler
Unit Capacity
Refrigeration (DX) Models with Nominal CFM
022 MBTUH 800
026 MBTUH 925
030 MBTUH 980
036 MBTUH 1225
042 MBTUH 1425
048 MBTUH 1625
060 MBTUH 1760
Hydronic Models with Nominal CFM
026 MBTUH 925
036 MBTUH 1225
048 MBTUH 1625
060 MBTUH 1760
Vintage
* = Factory Use Only
NOTE: To field convert the GAH042-060 to bottomflow air discharge, the NAHBC kit must be ordered.
Coil Data - Air Handler
Outdoor Split Model Matching Air Handler
022 - 038
042 - 072
Compatibilty Table - Air Handler
Air Handler Sizing Selection
Air handlers should be designed for R-410A refrigerant and should be matched with the outdoor split compressor section according to the
table below.
Indoor Split Model
Air Handler
GAH022A***1R
GAH026A***1R
GAH030A***1R
GAH036A***1R
GAH036A***1R
GAH042A***1R
GAH048A***1R
GAH048A***1R
GAH060A***1R
GAH060A***1R
GAH060A***1R
GAH060A***1R
1-3 4-6 7 8-9 10
GAH 036 * 00 0
Coil Surface Area (ft
GAH036 5.83
GAH060 5.83
Indoor Split Model
(Single) (Dual Capacity)
103*022 -
- 103*026
103*030 -
103*036 -
- 103*038
103*042 -
103*048 -
- 103*049
103*060 -
- 103*064
103*070 -
- 103*072
ASTON DUAL-CAPACITY OUTDOOR SPLIT SERIES INSTALLATION MANUAL
11 12
1 R
Air Coil
R – Refrigerant
H - Hydronic
Motor
1 – ECM 208-230/60/1
Disconnect
0 – No Breaker Installed
(only on 5kW & 10kW Heaters)
1 – Breaker Installed
(only on 15kW & 20kW Heaters)
Electric Heat
00 – None
05 – 5kW (022 – 036 only)
10 – 10kW (030 – 060 only)
15 – 15kW (042 – 060 only)
20 – 20kW (060 only)
Rev.: 08 April 2013D
2 ) FPI
12
12
Outdoor Split Model
(Dual Capacity)
104*026
-
-
104*038
-
-
104*049
-
104*064
-
104*072
15
Rows Tube Diameter
2 3/8 in.
3 3/8 in.
Airfl ow (CFM) Electric Heat (kW)
800
925
980 5, 10
1225 5, 10
1225 5, 10
1425 10, 15
1625 10, 15
1625 10, 15
1760 10, 15, 20
1760 10, 15, 20
1760 10, 15, 20
1760 10, 15, 20
5
5