Step 1 - Complete Pre-Installation Checks - Carrier 40QA Installation, Start-Up And Service Instructions Manual

UNIT 40QAB
NOMINAL CAPACITY (Tons)
NOMINAL SIZE (Btuh)
OPERATING WEIGHT (lb)
MOISTURE REMOVAL RATE (Pints/Hr)
FINISH
REFRIGERANT
Control (Cooling)
System Charge Required (lb)†
INDOOR FAN
Rpm...Cfm High
Rpm...Cfm Medium
Rpm...Cfm Low
High Speed Watts
Quantity...Motor Hp
Blowers — No. ...Size (in.)
INDOOR COIL
Face Area (sq ft)
No. of Rows
Fins/in.
Circuits
FILTERS
(Quantity) Size (in.)
AIRSWEEP
Horizontal
Vertical
CONTROLS
Control Voltage
Auto. Restart
Fan Speed
Condensate Pump Safety
Outdoor Coil High Temperature (Cooling Modes)
Filter Change Indication
REFRIGERANT LINES
Connection Type
Liquid Line OD (in.)
Vapor Line OD (in.)
Maximum Length (ft)
Maximum Lift Fan Coil (Above Outdoor) (ft)
Maximum Lift Fan Coil (Below Outdoor) (ft)
CONDENSATE DRAIN CONNECTION
CONDENSATE DRAIN SIZE (in.)¶
LEGEND
TXV — Thermostatic Expansion Valve
*Field reconfigured to 18,000 Btuh (1
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.
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.
Table 3A — Physical Data, 40QAB Cooling-Only Units
024*
1 1
18,000
108
5.8
3.7
862...500
690...400
552...320
92
1...
2...6 x 8
2.2
4
14.9
4
5
1 ⁄ tons). See Before Installa-
2
024 036
⁄ 2
2
24,000 36,000
108 117
7.1 9.5
GM Motorhome White with Black Trim
AccuRater Piston in Fan Coil Unit/TXV in Condensing Unit
5.5 5.6/5.4**
Direct Drive Centrifugal
862...500 1275...840
690...400 972...740
552...320 830...640
92 282
⁄ 1... ⁄ 1...
1 1
15 15
2...6 x 8 2...6 x 8
Copper Tube, Aluminum Fin
2.2 2.6
4
14.9 14.9
4
(4) 12 x 8 3 ⁄ (5) 10
4
24-v Provided in Control
High/Medium/Low
Yes (Accessory)
Outdoor Coil Temperature greater than 144 F; Resets at 104 F
250 Hours of Indoor Fan Operation (through thermostat)
⁄ 5 ⁄
8 8
Pipe Thread (MPT)
††The valve connection size is
is 7 ⁄ inch.
8
When matched with a 38HDC cooling only unit/when matched with
a 38HDS multi-split unit.
¶ Flexible tubing ( 5 ⁄
8
is used.
NOTE: Dimensions shown in brackets [
Fig. 2 — Removal of Mounting Brackets
3
048
3 4
36,000
149
13.4
R-22
7.4
1435...1200
1388...1160
1315...1100
425
⁄ 2... ⁄
1 1
6 15
3...6 x 8
3.0
4 4
14.9
4 8
Cleanable
(4) 10 5 ⁄ x 8 3 ⁄
8 4
5 ⁄ x 8 3 ⁄
8 4
(2) 12 x 8 3 ⁄
4
—
Automatic
Yes
Flare
⁄
3
8
3 ⁄ 7 ⁄ ††
4 8
200/50
65/30
150/30
3 ⁄
4
3 ⁄ inch. The recommended line size
4
in.) is required when accessory condensate pump
] are in mm.
from Indoor Unit
060
5
60,000
179
15.1
13.6
1275...1600
972...1220
830...1040
564
2... ⁄
1
6
4...6 x 8
4.0
4
14.9
8
(6) 12 x 8 3 ⁄
4
7 ⁄ ††
8