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102777-YIM-E-0206
Unitary Products Group
9
REFERENCE
Additional information is available in the following reference
forms:
•
036-21091-004 - Technical Guide
•
TBD - Unit Replacement Parts List (25, 30 & 40 Tons)
APPROVALS
Designed certified by CGA, ETL, CETL as follows:
1.
For use as a forced air furnace with cooling unit (gas
heat models).
2.
For outdoor installation only.
3.
For installation on combustible material and may be
installed directly on combustible flooring or Class A,
Class B or Class C roof covering materials.
4.
For use with natural gas (convertible to LP with kit).
Not suitable for use with conventional venting systems.
INSTALLATION
LIMITATIONS
The installation of this unit must conform to local building
codes, or in the absence of local codes, with ANSI Z223.1
Natural Fuel Gas Code and /or CAN/CGA B149 installation
codes.
In U.S.A.:
1.
National Electrical Code ANSI/NFPA No. 70-Latest Edi-
tion.
2.
National Fuel Gas Code Z223.1-Latest Edition.
3.
Gas-Fired Central Furnace Standard ANSI Z21.47-Lat-
est Edition.
4.
Local gas utility requirements.
Refer to Table 1 for Cooling and Electrical Application Data
and to Table 2 for Gas Heat Application Data.
After installation, gas fired units must be adjusted to obtain a
temperature rise within the range specified on the unit rating
plate.
If components are to be added to a unit to meet local codes,
they are to be installed at the contractor's and/or the cus-
tomer's expense.
Size of unit for proposed installation should be based on heat
loss / heat gain calculation made according to the methods of
the Air Conditioning Contractors of America (ACCA).
LOCATION
Use the following guidelines to select a suitable location for
these units:
1.
Unit is designed for outdoor installation only.
2.
Condenser coils must have an unlimited supply of air.
Where a choice of location is possible, position the unit
on either north or east side of building.
3.
Suitable for roof mount on curb.
4.
Roof structures must be able to support the weight of the
unit and its accessories. Unit must be installed on a solid
level roof curb or appropriate angle iron frame.
5.
Maintain level tolerance to 3/4 inches across width and 2
inches along length.
TABLE 1: COOLING & ELECTRICAL APPLICATION
UNIT POWER
SUPPLY
VOLTAGE VARIATIONS
MIN. VOLTS
MAX VOLTS
575-3-60
540
630
208/230-3-60
187
252
460-3-60
432
504
TABLE 2: COOLING & ELEC. APP. LIMITATIONS
LIMITATIONS
MODEL
Y22
Y23
Y24
Supply Air CFM
(min./max)
6,000-
12,5000
6,000-
15,000
8,000-
20,000
Entering Wet Bulb
Temp (F°) (min./max)
57/75
57/75
57/75
Ambient Temp
40/120
40/120
40/120
Min. Air Temperature on Gas Fired Heat Exchangers (°F)
Aluminized
25
25
25
Stainless
0
0
0
Содержание MILLENNIUM Y22
Страница 47: ...102777 YIM E 0206 Unitary Products Group 47 FIGURE 20 ALTITUDE TEMPERATURE CONVERSION FACTOR ...
Страница 50: ...102777 YIM E 0206 50 Unitary Products Group FIGURE 21 FAN PERFORMANCE 25 TON ...
Страница 53: ...102777 YIM E 0206 Unitary Products Group 53 FIGURE 22 FAN PERFORMANCE 30 TON ...
Страница 56: ...102777 YIM E 0206 56 Unitary Products Group FIGURE 23 FAN PERFORMANCE 40 TON ...
Страница 62: ...102777 YIM E 0206 62 Unitary Products Group FIGURE 25 POWER EXHAUST TWO FORWARD CURVED FANS 30 40 TONS ...
Страница 126: ...102777 YIM E 0206 126 Unitary Products Group FIGURE 52 TYPICAL CONTROL WIRING ...
Страница 127: ...102777 YIM E 0206 Unitary Products Group 127 FIGURE 53 LEGEND ...
Страница 128: ...102777 YIM E 0206 128 Unitary Products Group FIGURE 54 TYPICAL 25 TON POWER WIRING ...
Страница 129: ...102777 YIM E 0206 Unitary Products Group 129 FIGURE 55 TYPICAL 30 40 TON POWER WIRING ...
Страница 130: ...102777 YIM E 0206 130 Unitary Products Group FIGURE 56 TYPICAL GAS HEAT WIRING ...
Страница 134: ...102777 YIM E 0206 134 Unitary Products Group FIGURE 58 25 TON CHARGING CURVE ...
Страница 138: ...102777 YIM E 0206 138 Unitary Products Group FIGURE 62 PRESSURE DROP DRY EVAPORATOR COIL VS SUPPLY AIR CFM 30 40 TON ...
Страница 139: ...102777 YIM E 0206 Unitary Products Group 139 ...