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Viessmann AirflowPLUS AH2A Installation, Operating and Service
Technical Data
Motor (ECM)
Electrical
Heating BTUH
(kW)
Flow
Nominal (CFM)
Cooling capacity
Cabinet
Supply air opening
Return air opening
Weight
Circulating pump
Type
Volts
Motor horsepower
Capacitor
Motor rated amps - loaded
- locked rotor
Maximum working pressure
Min./max. fluid temperature
Hydronic heating coil
Construction
Rows...fins/in.
Total face area
Piping connections
Supply
Return
Pressure drop through the coil
* Using the adjustable levelling feet can add up to 1b" (38 mm) to the height of the air handler.
Description
hp
VOLTS/PH/HZ
120°F (49°C)
140°F (60°C)
160°F (71°C)
180°F (82°C)
USG/min
(L/H)
Heating .5" e.s.p.
Cooling .5" e.s.p.
Heating .2" e.s.p.
Cooling .2" e.s.p.
(tons)
D x W x H*
in.
22c x 18 x 32b
(mm)
(578 x 457 x 825)
in.
(mm)
in.
(mm)
lb.
kg
AC
hp
MFD/VOLTS
AMPS
AMPS
PSI
ºF
(ºC)
Copper tubing, aluminum fins, galvanized steel support frame
2
sq. ft. (m
)
in.
in.
feet of head
[@ 160°F (71°C)
supply water
temperature]
AH2A-213
AH2A-354
g
120/1/60
120/1/60
28,000
44,000
(8)
46,000
61,000
(13)
62,000
83,000
(18)
72,000
98,000
(21)
3
(681)
(1135)
600
1,200
700
1,400
1,100
1,300
1,200
1,600
1.5 - 3.0
2.50 - 4.0
23 x 22 x 34b
(584 x 559 x 876)
16 x 20
20 x 20
(406 x 508)
(508 x 508)
14 x 18
18 x 18
(356 x 457)
(457 x 457)
85
(39)
Grundfos 15/58RU
115
1/25
1/25
10/180
10/180
0.74
0.74
4.44
4.44
145
120/200
120/200
(49/93)
(49/93)
3...12
3...12
1.3 (0.12)
2.8 (0.26)
b FIP
c FIP
b FIP
c FIP
12
Additional Information
AH2A-385
b
c
120/1/60
51,000
(13)
(15)
74,000
(18)
(22)
90,000
(24)
(26)
115,000
(29)
(33)
5
5
(1135)
1,600
1,800
1,900
2,100
3.5 - 5.0
28 x 22 x 34b
(711 x 559 x 876)
20 x 25
(508 x 635)
18 x 23
(457 x 584)
100
110
(45)
(50)
115
115
1/25
10/180
0.74
4.44
145
145
120/200
(49/93)
3...12
2.8 (0.26)
c FIP
c FIP
2
2
57
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