Carrier 42TD Series, Installation, Start-Up And Service Instructions Manual

Page: 2 / 16

- 2 -
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 specific manufacturer
literature for any other type of factory-mounted
controls.
See drawings for unit configurations,
dimensions, clearances, and pipe
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. When cartons are
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. Do
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. If the unit has been
damaged, file claim with transportation
company and notify Carrier immediately.
PROTECTION
Protection unit from damage caused by job
site debris. Do not allow dust, debris and
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 before the actual
installation.
- Space requirement and clearance, See
Fig.3.
- Ceiling or mounting strength.
- Piping connections.
- Condensate drain connection.
- Power supply and wiring.
- Air duct connections.
Table.1 - Physical Data - 42TW3, 42TD3 – 2 Pipe System
Model 42TW3
Model 42T D 3
Size
03 05 06 07 09 11 12 16
CFM* 348 592 692 780 883 1181 1385 1572
Cooling Capacity (kw)* 3.4 6.1 7.5 8.9 9.9 11.5 14.5 16.9
Colling Capacity (kbtuh) 11.7 20.7 25.6 30.4 33.8 39.2 49.5 57.7
SHR 0.75 0.74 0.72 0.71 0.71 0.75 0.73 0.73
Power Supply 208-230, 1 ph, 60 Hz / 220-240, 1 ph, 50 Hz / 110-127, 1 ph, 60 Hz
Motor HP( Nominal) 1/15 1/10 1/15 1/10
Input Watts ( Med Speed, 25 Pa ESP) 56 64 70 80 80 130 146 160
Number of Motors 1, 3 Speed 2, 3 Speed
Coil Material Smooth copper tubes/ Aluminum fins with double wavey fin
Coil Face Area, m^2 0.11 0.15 0.21 0.26 0.31 0.31 0.44 0.52
Coil Connection Type Sweat Type
Coil Connection Size 5/8 Inch 7/8 Inch
Number of Rows 3
Fin Denisty/ Inch
14
Drain Diameter 5/8 Inch
Blower type Direct drive forward curved centerifugal fan
Blower Number 1 2 4
Blower Diameter / Width, mm 156/220 156/170 156/220 156/170 156/220
Filter Type Washable Aluminum Filter
Width, mm 640 800 1010 1220 1430 1430 1430 1640
Depth, mm
590
Height, mm 275 375
Net Weight, kg 18 23 28 32 39 43 49 56
* At 26.7/19 c approch 6.7c water inlet/12.7c water outlet, High speed @ 0 Static