Safety Considerations; Pre-Installation; General - Carrier 35L Series Installation And Start-Up Instructions Manual

SAFETY CONSIDERATIONS

SAFETY NOTE
Air-handling equipment will provide safe and reliable ser-
vice when operated within design specifications. The
equipment should be operated and serviced only by autho-
rized personnel who have a thorough knowledge of system
operation, safety devices and emergency procedures.
Good judgment should be used in applying any manu-
facturer's instructions to avoid injury to personnel or
damage to equipment and property.
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal injury or
death.
Before performing service or maintenance operations on
unit, turn off main power switch to unit and install lock(s)
and lockout tag(s). Ensure electrical service to rooftop unit
agrees with voltage and amperage listed on the unit rating
plate. Unit may have more than one power switch.
See Fig. 1 for Proposition 65 label.
! WARNING: Cancer - www.P65Warnings.ca.gov
Fig. 1 — Proposition 65 Warning Label

PRE-INSTALLATION

General

The 35L,N units are dual duct terminals available with facto-
ry-installed pneumatic, analog, and Carrier Comfort Net-
work ® (CCN) Direct Digital Control (DDC) control options.
See Table 1. Figure 2 shows the basic box. Figure 3 is an ex-
ample of a unit identification label.
Table 1 — 35L,N Units
UNIT
35L Basic unit, no mixing
35N Premium unit, high mixing, constant volume flow sensing
STORAGE AND HANDLING
Inspect for damage upon receipt. Shipping damage claims
should be filed with shipper at time of delivery. Store in a
clean, dry, and covered location. Do not stack cartons. When
unpacking units, care should be taken that the inlet collars
and externally mounted components do not become damaged.
Do not lift units using collars, sensors or externally mounted
components as handles. Do not lay uncrated units on end or
sides. Do not stack uncrated units over 6 ft high. Do not man-
handle. Do not handle control boxes by tubing connections or
DESCRIPTION
other external attachments. Table 2 shows component
weights.
INITIAL INSPECTION
Once items have been removed from the carton, check care-
fully for damage to duct connections, coils or controls. File
damage claim immediately with transportation agency and
notify Carrier.
UNIT IDENTIFICATION
Each unit is supplied with a shipping label and an identifica-
tion label (Fig. 3).
INSTALLATION PRECAUTION
Check that construction debris does not enter unit or
ductwork. Do not operate the central-station air-handling fan
without final or construction filters in place. Accumulated
dust and construction debris distributed through the ductwork
can adversely affect unit operation.
SERVICE ACCESS
Provide service clearance for unit access.
CODES
Install units in compliance with all applicable code requirements.
Fig. 2 — 35L Dual Duct Box
ODS: 2181487
TAG:
FACTORY NO: 832889
MODEL NO: 35LN 06
COLD INLET CFM:
HOT INLET CFM:
HAND (COLD INLET LOC):
CFGCD: 1A*0*0*0R*0606*D000*00*000*0000
Fig. 3 — Unit Identification Label
2
UP
ITEM: 003
SIZE: C=06 H=06
MAX MIN MAX MIN
0 VP: .000 .000
VP: .000 .000
RC
D000 CTRL BOX E