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INTRODUCTION
This document contains general installation
instructions for the 42TW unit Fan Coils. Refer
to the unit-wiring diagram installed on the
blower
housing
or
literature for any other type of factory-mounted
controls.
See
drawings
for
dimensions,
clearances,
connections. Refer to unit wiring label for all
electrical connections; follow NEC (National
Electrical Code) and local codes.
RECEIVING
42TW fan coil units are shipped individually
packed in carton boxes.
individually off loaded from the truck, do not
roll, nor throw, or drop the carton to avoid
damage to the contents. Store boxes upright
as the symbols on the boxes indicated.
not stack units more than 6 units high for size
11-16 and 8 units high for other sizes.
INSPECTION
Check the shipment against shipping list and
remove unit from the carton and take off
protective covering.
Table.1 - Physical Data - 42TW3, 42TD3 – 2 Pipe System
Model 42TW3
Model 42T
CFM*
Cooling Capacity (kw)*
Colling Capacity (kbtuh)
SHR
Power Supply
Motor HP( Nominal)
Input Watts ( Med Speed, 25 Pa ESP)
Number of Motors
Coil Material
Coil Face Area, m^2
Coil Connection Type
Coil Connection Size
Number of Rows
Fin Denisty/ Inch
Drain Diameter
Blower type
Blower Number
Blower Diameter / Width, mm
Filter Type
Width, mm
Depth, mm
Height, mm
Net Weight, kg
* At 26.7/19 c approch 6.7c water inlet/12.7c water outlet, High speed @ 0 Static
specific
manufacturer
unit
configurations,
and
pipe
When cartons are
Do
If the unit has been
D
3
03
348
3.4
11.7
0.75
208-230, 1 ph, 60 Hz / 220-240, 1 ph, 50 Hz / 110-127, 1 ph, 60 Hz
56
0.11
1
156/220
640
18
damaged,
company and notify Carrier immediately.
PROTECTION
Protection unit from damage caused by job
site debris.
water to get into the unit. These will damage
unit's component and unit's performance will
be affected.
PRELIMINARY CHECK
Following is a checklist which should be
checked before the installation is started. The
installer should be familiar with each of the
following
requirements
installation.
- Space requirement and clearance, See
Fig.3.
- Ceiling or mounting strength.
- Piping connections.
- Condensate drain connection.
- Power supply and wiring.
- Air duct connections.
05
06
592
692
6.1
7.5
20.7
25.6
0.74
0.72
1/15
64
70
1, 3 Speed
Smooth copper tubes/ Aluminum fins with double wavey fin
0.15
0.21
Sweat Type
5/8 Inch
Direct drive forward curved centerifugal fan
2
156/170
156/220
Washable Aluminum Filter
800
1010
275
23
28
- 2 -
file
claim
with
transportation
Do not allow dust, debris and
before
Size
07
09
11
780
883
1181
1385
8.9
9.9
11.5
30.4
33.8
39.2
0.71
0.71
0.75
1/10
1/15
80
80
130
2, 3 Speed
0.26
0.31
0.31
7/8 Inch
3
14
5/8 Inch
156/170
1220
1430
1430
1430
590
32
39
43
the
actual
12
16
1572
14.5
16.9
49.5
57.7
0.73
0.73
1/10
146
160
0.44
0.52
4
156/220
1640
375
49
56
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