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8
INSTALLATION
Jobsite Survey
Complete the following checks before installation.
1. Consult local building codes and the NEC (National
Electrical Code) ANSI/NFPA 70 for special installa-
tion requirements.
2. Determine unit location (from project plans) or select
unit location.
3. Check for possible overhead obstructions which may
interfere with unit lifting or rigging.
Step 1 — Plan for Unit Location
Select a location for the unit and its support system (curb
or other) that provides for the minimum clearances
required for safety. This includes the clearance to
combustible surfaces, unit performance and service access
below, around and above unit as specified in unit
drawings. See Fig. 3.
NOTE
: Consider also the effect of adjacent units.
Be sure that unit is installed such that snow will not block
the combustion intake or flue outlet.
Unit may be installed directly on wood flooring or on
Class A, B, or C roof--covering material when roof curb is
used.
Do not install unit in an indoor location. Do not locate air
inlets near exhaust vents or other sources of contaminated
air. For proper unit operation, adequate combustion and
ventilation air must be provided in accordance with
Section 5.3 (Air for Combustion and Ventilation) of the
National Fuel Gas Code, ANSI Z223.1 (American
National Standards Institute) and NFPA (National Fire
Protection Association) 54 TIA----54----84----1. In Canada,
installation must be in accordance with the CAN1----B149
installation codes for gas burning appliances.
Although unit is weatherproof, avoid locations that permit
water from higher level runoff and overhangs to fall onto
the unit.
Locate mechanical draft system flue assembly at least 4 ft
(1.2 m) from any opening through which combustion
products could enter the building, and at least 4 ft (1.2 m)
from any adjacent building (or per local code). Locate the
flue assembly at least 10 ft (3.05 m) from an adjacent
unit’s fresh air intake hood if within 3 ft (0.91 m) of same
elevation (or per local code). When unit is located
adjacent to public walkways, flue assembly must be at
least 7 ft (2.1 m) above grade.
Select a unit mounting system that provides adequate
height to allow installation of condensate trap per
requirements. Refer to Step 12 — Install External
Condensate Trap and Line – for required trap dimensions.
Roof Mount —
Check
building
codes
for
weight
distribution
requirements. Unit operating weight is shown in Table 1.
Step 2 — Plan for Sequence of Unit Installation
The support method used for this unit will dictate different
sequences for the steps of unit installation. For example,
on curb--mounted units, some accessories must be
installed on the unit before the unit is placed on the curb.
Review the following for recommended sequences for
installation steps.
Curb--mounted Installation —
Install curb
Install field--fabricated ductwork inside curb
Install accessory thru--base service connection package
(affects curb and unit) (refer to accessory installation
instructions for details)
Prepare bottom condensate drain connection to suit
planned condensate line routing (refer to Step 12 for
details)
Rig and place unit
Install outdoor air hood
Install flue hood
Install gas piping
Install condensate line trap and piping
Make electrical connections
Install other accessories
Table 1 – Operating Weights
582J*
UNITS LB (KG)
UNITS LB (KG)
UNITS LB (KG)
04
05
06
Base Unit
490 (222)
544 (246)
597 (270)
Economizer
Vertical
50 (23)
50 (23)
50 (23)
Horizontal
80 (36)
80 (36)
80 (36)
Perfect Humidity™ System
50 (23)
50 (23)
50 (23)
Cu Fins
25 (11)
43 (20)
56 (25)
Powered Outlet
35 (16)
35 (16)
35 (16)
Curb
14---in/356 mm
115 (52)
115 (52)
115 (52)
24---in/610 mm
197 (89)
197 (89)
197 (89)
582J
Summary of Contents for 582J 04 Series
Page 5: ...5 C14270 Fig 2 Unit Dimensional Drawing 582J ...
Page 6: ...6 C14271 Fig 2 Unit Dimensional Drawing cont 582J ...
Page 12: ...12 C14272 Fig 6 Rigging Label 582J ...
Page 27: ...27 C14247 Fig 39 RTU Open System Control Wiring Diagram 582J ...
Page 28: ...28 C14248 Fig 40 RTU Open System Control Wiring Diagram with Perfect Humidityt 582J ...