Table 3A — Physical Data, 40QAB Cooling-Only Units
UNIT 40QAB 024* 024 036 048 060
NOMINAL CAPACITY (Tons) 1
1
⁄
2
23 4 5
NOMINAL SIZE (Btuh) 18,000 24,000 36,000 36,000 60,000
OPERATING WEIGHT (lb) 108 108 117 149 179
MOISTURE REMOVAL RATE (Pints/Hr) 5.8 7.1 9.5 13.4 15.1
FINISH GM Motorhome White with Black Trim
REFRIGERANT R-22
Control (Cooling) AccuRaterT Piston in Fan Coil Unit/TXV in Condensing Unit
System Charge Required (lb)† 3.7 5.5 5.6/5.4** 7.4 13.6
INDOOR FAN Direct Drive Centrifugal
Rpm...Cfm High 862...500 862...500 1275...840 1435...1200 1275...1600
Rpm...Cfm Medium 690...400 690...400 972...740 1388...1160 972...1220
Rpm...Cfm Low 552...320 552...320 830...640 1315...1100 830...1040
High Speed Watts 92 92 282 425 564
Quantity...Motor Hp 1...
1
⁄
15
1...
1
⁄
15
1...
1
⁄
6
2...
1
⁄
15
2...
1
⁄
6
Blowers — No. ...Size (in.) 2...6 x 8 2...6 x 8 2...6 x 8 3...6 x 8 4...6 x 8
INDOOR COIL Copper Tube, Aluminum Fin
Face Area (sq ft) 2.2 2.2 2.6 3.0 4.0
No. of Rows 44 4 4 4
Fins/in. 14.9 14.9 14.9 14.9 14.9
Circuits 44 4 8 8
FILTERS Cleanable
(Quantity) Size (in.) (4) 12 x 8
3
⁄
4
(5) 10
5
⁄
8
x8
3
⁄
4
(4) 10
5
⁄
8
x8
3
⁄
4
(2) 12 x 8
3
⁄
4
(6) 12 x 8
3
⁄
4
AIRSWEEP
Horizontal —
Vertical Automatic
CONTROLS
Control Voltage 24-v Provided in Control
Auto. Restart Yes
Fan Speed High/Medium/Low
Condensate Pump Safety Yes (Accessory)
Outdoor Coil High Temperature (Cooling Modes) Outdoor Coil Temperature greater than 144 F; Resets at 104 F
Filter Change Indication 250 Hours of Indoor Fan Operation (through thermostat)
REFRIGERANT LINES
Connection Type Flare
Liquid Line OD (in.)
3
⁄
8
Vapor Line OD (in.)
5
⁄
8
5
⁄
8
3
⁄
4
7
⁄
8
††
7
⁄
8
††
Maximum Length (ft) 200/50 \
Maximum Lift Fan Coil (Above Outdoor) (ft) 65/30 \
Maximum Lift Fan Coil (Below Outdoor) (ft) 150/30 \
CONDENSATE DRAIN CONNECTION Pipe Thread (MPT)
CONDENSATE DRAIN SIZE (in.)¶
3
⁄
4
LEGEND
TXV — Thermostatic Expansion Valve
*Field reconfigured to 18,000 Btuh (1
1
⁄
2
tons). See Before Installa-
tion section on this page for details.
†Outdoor unit is shipped with a full charge for the smallest system
configuration. Refer to unit nameplate (on the unit) for details on
specific system charge required.
**When matched with a size 030 outdoor unit/when matched with a
size 036 outdoor unit.
††The valve connection size is
3
⁄
4
inch. The recommended line size
is
7
⁄
8
inch.
\ When matched with a 38HDC cooling only unit/when matched with
a 38HDS multi-split unit.
¶ Flexible tubing (
5
⁄
8
in.) is required when accessory condensate pump
is used.
Step 1 — Complete Pre-Installation Checks
UNPACK UNIT — Store fan coil unit in the original pack-
aging until it is moved to the final site for installation. When
removing unit from carton, lift unit by its 4 corners; DO NOT
lift unit by its plastic parts.
INSPECT SHIPMENT — Upon receipt of shipment, check
fan coil unit for damage. Forward claim papers directly to
the transportation company. Manufacturer is not responsible
for damage incurred in transit.
Check all items; if any item is missing, notify your Car-
rier distributor. To prevent loss or damage, leave all parts in
original packages until installation.
BEFORE INSTALLATION — Perform the following steps
before installing indoor fan coil unit. Place the indoor unit
upside down on the floor, then:
1. Remove side panels by sliding forward, then away from
sides of unit (Fig. 2). Reinstall prior to unit start-up.
2. Remove air filters from inlet grilles; then remove and re-
tain screws securing inlet grilles to indoor unit. Reinstall
prior to unit start-up.
NOTE: Dimensions shown in brackets [ ] are in mm.
Fig. 2 — Removal of Mounting Brackets
from Indoor Unit
3
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