10
Split Compact Dedicated Outdoor
Air System Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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GENERAL DATA
Table 1: Split Compact DOAS General Data.
Actual discharge air temperatures may vary from discharge air temperature set-point due to changes in outdoor air processing loads.
Unit Model No.
ARND153DCR4
ARND203DCR4
Cooling Mode Performance
Total Cooling Capacity (Btu/h)
120,000
143,100
Hot Gas Reheat Capacity (Btu/h)
24,000
30,000
Moisture Removal Capacity (lb. / h)
37.2
51.5
Heating Mode Performance
Capacity (Btu/h) (Main Coil)
51,000
59,900
Entering Air
Cooling Maximum (°F, D.B. / W.B.)
122 / 78
122 / 78
Heating Minimum (°F, D.B.)
14
14
Unit Data
Refrigerant Type
1
R410A
R410A
Refrigerant Control
EEV
EEV
Sound Power dB(A)
2
74
72
Net Unit Weight (lbs.)
364
364
Shipping Weight (lbs.)
420
420
Communication Cable
3
(No. x AWG)
4 x 18
4 x 18
Fan
Type
3D Plug
3D Plug
Motor (HP / W)
1 / 750
1 / 750
Motor / Drive
ECM / Direct
ECM / Direct
Airflow Rate (CFM)
1,500
2,000
External Static Pressure (in. w.g.)
2.0
1.5
Airflow Range (CFM)
1,000 – 1,500
1,000 – 2,000
Piping
Liquid Connection Size (in., O.D.)
1/2 Brazed
1/2 Brazed
High Pressure Vapor Connection Size (in., O.D.)
3/4 Brazed
7/8 Brazed
Low Pressure Vapor Connection Size (in., O.D.)
1-1/8 Brazed
1-1/8 Brazed
Condensate Drain OD (in.)
1
1
Filter
Outdoor
2
"
Merv 8 (25
"
x 20
"
)
2
"
Merv 8 (25
"
x 20
"
)
EEV - Electronic Expansion Valve
ECM - Electronically Commutated Motor
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codes.
This data is rated 0 ft. above sea level, with 25 ft. of refrigerant piping per coil.
Main Coil Cooling Capacity Rating obtained with entering air of 95°F D.B. / 75°F W.B. and
leaving air of 52.9°F D.B. / 52.5°F W.B.
Main Coil Heating Capacity Rating obtained with entering air of 44°F D.B. and leaving air
of 70°F D.B.
Reheat Coil Heating Capacity Rating obtained with entering air of 54°F D.B. and leaving
air of 75°F D.B.
1
Take appropriate actions at the end of HVAC equipment life to recover, recycle, reclaim or
destroy R410A refrigerant according to applicable regulations (40 CFR Part 82, Subpart F)
under section 608 of CAA.
2
Sound power levels are tested under AHRI 260 Standard.
3
Communication cable from the outdoor unit to the DOAS unit to be minimum 18 AWG,
4-conductor, twisted, stranded, shielded and must comply with applicable local and nation-
al codes. Ensure the communication cable is properly grounded at the outdoor unit only.
Do not ground the outdoor unit - DOAS communication cable at any other point.
Power Supply (V/Hz/Ø): 208-230/60/1