Envision Peripherals Series - Manual (Page 11)

9
NS SPLIT INSTALLATION MANUAL
Air Handler Coil Data
Line Set Sizes
Envision
Split Model
Matching Air
Handler
Coil Surface
Area (sq ft.)
FPI Rows
Tube
Diameter
022 - 038
042 - 072 NAH060 5.83 12 3 3/8"
NAH036 5.83 12 2 3/8"
Unit Air Factory
Size Handler
Suction Liquid Suction Liquid Suction Liquid
Charge (oz.)
NDS026 NAH026 5/8" OD 3/8" OD 3/4" OD 3/8" OD 3/4" OD 1/2" OD 52
NDS038 NAH036 5/8" OD 3/8" OD 3/4" OD 3/8" OD 3/4" OD 1/2" OD 56
NDS049 NAH048 3/4" OD 3/8" OD 7/8" OD 3/8" OD 7/8" OD 1/2" OD 90
NDS064 NAH060 7/8" OD 1/2" OD 7/8" OD 1/2" OD 1-1/8" OD 1/2" OD 92
NDS072 NAH060 7/8" OD 1/2" OD 7/8" OD 1/2" OD 1-1/8" OD 1/2" OD 104
Notes: Lineset charge for R410A is 0.50 oz. per ft. for 3/8" and 1.0 oz. per ft. for 1/2" tube. Rev.: 4/1/08
Initial Total System Charge = Factory Split charge + lineset charge + 20 oz, then adjust charge by subcooling and superheat measurements.
20 feet 40 feet 60 feet
Air Handler Nomenclature
NAH 036 A 00 0 1 R
Model Type Air Coil
NAH = Envision Air Handler R = Refrigerant
H = Hydronic
Unit Capacity
Refrigerant Models
Nom. CFM Motor
022 MBTUH 800 1 = ECM 208-230/60/1
026 MBTUH 925
030 MBTUH 980
036 MBTUH 1225
042 MBTUH 1425 Disconnect
048 MBTUH 1625 0 = No breaker installed (only on 5kW & 10 kW heaters )
060 MBTUH 1760 1 = Breaker installed (only on 15kW & 20kW heaters)
Hydronic Models
026 MBTUH 925
036 MBTUH 1225 Electric Heat
048 MBTUH 1625 00 = No electric heat
060 MBTUH 1760 05 = 5 kW (available on 022-036)
10 = 10 kW (available on 030-060)
Vintage
Note: Kit NAHBC must be ordered to field convert the NAH042-060 to bottomflow air discharge
15 = 15 kW (available on 042-060)
A = Current 20 = 20 kW (available on 060 only)