Trane 4DCZ6036 Installer'S Manual Download Page 19

Page: 19 / 28

Page 19

Installer’s Guide

Air Filter Installation

The packaged unit requires an air filter. The unit does not come
with a factory installed filter rack in it, however, two filter frame ac-
cessories are offered that will allow the installation of a filter within
the unit, BAYFLTR101 & BAYFLTR201. Otherwise a field supplied
filter rack must be installed by the installer in the return duct work.
Refer to Table 5 to determine filter sizes for field supplied filter racks.

*Filters must be installed in the return air system. The above square

footages are based on 300 F.P.M. face velocity. If permanent filters are

used, size per mfg. Recommendation with clear resistance of 0.05" W.C.

High Altitude Installation

Unit nameplate ratings are based on equipment operation from
sea level to 2000 feet elevation above sea level.

No orifice changes

required for high altitude installation, please refer to below chart for
rating information.

Table 4. High Altitude Derate Chart

Table 5. Filter Sizes (field supplied filter rack)

Electrical Connections

Electrical wiring and grounding must be installed in accordance
with local codes or, in the absence of local codes, with the National
Electrical Code ANSI/NFPA 70, Latest Revision.

Electrical Wiring

NOTE:

This unit is factory wired for 230V. See wiring dia-

gram in SERVICE FACTS for 208V conversion.

Figure 19. Power Wiring

NOTE:

For branch circuit wiring (main power supply to unit

disconnect), determine wire size for the length of run using the

circuit ampacity found on the unit nameplate and the N.E.C.

For more than 3 conductors in a raceway or cable, see the

N.E.C. for derating the ampacity of each conductor.

Run power supply

Lines through

weather-tight con

duit and secure

to unit with strain

relief

Unit Input

115k

2001

3000

4000 5000 6000 7000 8000

High stage

112100 104100 96200 88100 86900 85600 85100

Low stage

84000 78100 72100 66100 65100 64200 63800

90k
High stage

87700 81500 75200 69000 68000 67000 66500

Low stage

65700 61100 56400 51700 51000 50200 49900

70k
High stage

68200 63300 58500 53600 52900 52100 51800

Low stage

51100 47600 43900 40200 39600 39100 38800

60k
High stage

58500 54300 50100 46000 45300 44700 44300

Low stage

43800 40700 37600 34500 34000 33400 33200

For LP installations. Models that require #49 orifices, for
altitudes from 7000 - 8000' orifices must be changed to #50.

HIGH ALTITUDE DERATE CHART NAT.

Altitude (In Feet)

Inputs shown are with factory orifices @ 3.5"WC (High Fire)
1.8"WC (Low Fire)
Natural Gas heating value of 950 btu/cuft.

Electrical Power

It is important that proper electrical power be available for the unit.
Voltage variation should remain within the limits found on the unit
nameplate.

Disconnect Switch

Provide an approved weatherproof disconnect within close proxim-
ity and

within sight of the unit.

If disconnect must be mounted

to the cabinet, the location shown in Figure 21 should be the only
one considered.

Over Current Protection

The branch circuit feeding the unit must be protected as shown on
the unit nameplate.

Power Wiring

The power supply lines must be run in weather-tight conduit to the
disconnect and into the side of the unit control box. Provide strain
relief for all conduit with suitable connectors.
Provide flexible conduit supports whenever vibration transmission
may cause a noise problem within the building structure.
1.  Remove the CONTROL/HEAT access panel. Pass the power
  wires through the Power Entry hole in the end of the unit.
  See Figure 19.
2. Connect the high voltage wires to the appropriate contactor lug

terminals. Single phase units use a two (2) pole contactor
and three phase units use two (2) pole contactor and a Blue
lead wire. Connect the ground to the ground lug on the chas-
sis. See Figure 20. Be sure all connections are tight.

GROUNDING: THE UNIT MUST BE ELECTRICALLY

GROUNDED IN ACCORDANCE WITH LOCAL CODES OR

THE NATIONAL ELECTRIC CODE.

NOTE:

Unit must be grounded for ignitor to operate properly.

Gas pipe to unit is not an adequate ground. Ground the unit

internally as provided.

HAZARDOUS VOLTAGE, MOVING PARTS, AND GAS
Bodily injury can result from high voltage electrical compo-
nents, fast moving fans, and combustible gas. For protection
from these inherent hazards during installation and service,
the electrical supply must be disconnected and the main
gas valve must be turned off. If operating checks must be
performed with the unit operating, it is the technician's re-
sponsibility to recognize these hazards and proceed safely.

WARNING

UNIT

NOMINAL

CFM

FILTER*

SIZE (Sq Ft)

FILTER

RESISTANCE

("W.C.)

4DCZ6036

1200

4.00