Installation manual
15
5 SERIES 500RO11 INSTALLATION MANUAL
Coil Data - Air Handler
Model Nomenclature - Air Handler
Compatibilty Table - Air Handler
5 Series Split Model Matching Air Handler Coil Surface Area (ft
2
) FPI Rows Tube Diameter
022 - 038
NAH036 5.83 12 2 3/8 in.
042 - 072
NAH060 5.83 12 3 3/8 in.
NAH 036 * 00 0 1 R
1-3 4-6 7 8-9 10 11 12
Model
NAH – Envision 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
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
NOTE: To field convert the NAH042-060 to bottomflow air discharge, the NAHBC kit must be ordered.
Air Handler Sizing Selection
The Envision Air Handlers are designed for R-410A refrigerant and should be matched with 5 Series Split compressor
section according to the table below.
Air Handler
Indoor Split Model
(Single)
Indoor Split Model
(Dual Capacity)
Outdoor Split Model
(Dual Capacity)
Airfl ow (CFM) Electric Heat (kW)
NAH022A***1R NSZ022 - 800 5
NAH026A***1R - NDZ026 NDS026 925 5
NAH030A***1R NSZ030 - - 980 5, 10
NAH036A***1R NSZ036 - - 1225 5, 10
NAH036A***1R - NDZ038 NDS038 1225 5, 10
NAH042A***1R NSZ042 - - 1425 10, 15
NAH048A***1R NSZ048 - - 1625 10, 15
NAH048A***1R - NDZ049 NDS049 1625 10, 15
NAH060A***1R NSZ060 - - 1760 10, 15, 20
NAH060A***1R - NDZ064 NDS064 1760 10, 15, 20
NAH060A***1R NSZ070 - - 1760 10, 15, 20
NAH060A***1R - NDZ072 NDS072 1760 10, 15, 20