—3—
Table 3A — Physical Data, Under Ceiling Cooling Only Units
*Field reconfigured to 18,000 Btuh (1
1
/
2
tons). See Before Installation
section on this page for details.
†The valve connection size is
7
/
8
inch. The recommended line size is
1
1
/
8
inch.
I. STEP 1 — COMPLETE PRE-INSTALLATION CHECKS
A. Unpack Unit
Store fan coil unit in the original packaging 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.
B. Inspect Shipment
Upon receipt of shipment, check fan coil unit for damage.
Forward claim papers directly to the transportation com-
pany. Manufacturer is not responsible for damage incurred
in transit.
Check all items; if any item is missing, notify your dealer. To
prevent loss or damage, leave all parts in original packages
until installation.
C. 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
retain screws securing inlet grilles to indoor unit.
Reinstall prior to unit start-up.
SYSTEM SIZE
018*
024
030
036
048
060
NOMINAL CAPACITY (tons)
1
1
/
2
2
3
3
4
5
NOMINAL SIZE (Btuh)
18,000
24,000
30,000
36,000
48,000
60,000
OPERATING WEIGHT (lb)
108
108
117
117
149
179
MOISTURE REMOVAL WEIGHT
(Pints/Hr)
4.0
7.3
6.0
9.0
13.0
14.5
FINISH
GM Motorhome White with Black Trim
REFRIGERANT
R-410A
Control (Cooling)
AccuRater Control
INDOOR FAN
Direct Drive Centrifugal
Rpm...Cfm High
862...500
1050…600
1275...840
1275...840
1435...1200
1275...1600
Rpm...Cfm Medium
690...400
690...400
972...740
972...740
1388...1160
972...1220
Rpm...Cfm Low
552...320
552...320
830...640
830...640
1315...1100
830...1040
High Speed Watts
92
92
282
282
425
564
Motor Quantity
1
1
1
1
2
2
Blowers — No. ...Size (in.)
2...6x8
2…6x8
2…6x8
2…6x8
3…6x8
4…6x8
INDOOR COIL
Copper Tube, Aluminum Fin
Face Area (sq ft)
2.2
2.2
2.6
2.6
3.0
4.0
No. of Rows
4
4
4
4
4
4
Fins/in.
14.9
14.9
14.9
14.9
14.9
14.9
Circuits
4
4
4
4
8
8
FILTERS
Cleanable
Quantity
4
4
5
5
6
8
AIRSWEEP
Horizontal
User select ON/OFF
Vertical
Manual
CONTROLS
Control Voltage
24 V
Auto Restart
Yes
Fan Speed
High/Medium/Low
Condensate Pump Safety
Yes (Accessory)
Indoor Coil Freeze Protection
Standard shutoff at 28 F
Filter Change Indication
250 Hours of Indoor Fan Operation
REFRIGERANT LINES
Connection Type
Flare
Liquid Line OD (in.)
3
/
8
Vapor Line OD (in.)
5
/
8
5
/
8
3
/
4
3
/
4
7
/
8
7
/
8
†
Max Line Length
For maximum line lengths see condensing unit instructions.
CONDENSATE DRAIN
CONNECTION
Pipe Thread (MPT)
CONDENSATE DRAIN SIZE (in.)
3
/
4
NOTE:
Dimensions shown in brackets [ ] are in mm.
Fig. 2 — Removal of Mounting Brackets
from Indoor Unit
a40-928
