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York YLAA0260HE - Condenser and Cabinet Options

York YLAA0260HE
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21
JOHNSON CONTROLS
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 2 – PRODUCT DESCRIPTION
2
HOT GAS BY-PASS
Permits continuous, stable operation at capacities below
the minimum step of compressor unloading to as low
as 5% capacity (depending on both the unit and operat-
ing conditions) by introducing an articial load on the
cooler. Hot gas by-pass is installed on only refrigerant
system #1 on two-circuited units. (Factory- mounted)
DX COOLER 300 (21 BAR) PSIG DWP WATERSIDE
The waterside will be of 300 PSIG (21 bar) instead of the
standard 150 PSIG DWP. 300 PSIG R.F. anges are in-
cluded on the DX cooler nozzles. (Factory-mounted) The
companion anges will be eld-supplied by others.
FLANGES (ANSI/AWWA C-606 COUPLINGS
TYPE)
Consists of (2) ange adapters for grooved end pipe
(standard 10.5 bar [150 psi] cooler). (Not available on
optional DX cooler 21 bar (300 psi) DWP waterside.)
(Field-mounted)
FLOW SWITCH
The ow switch or its equivalent must be furnished
with each unit.
150 PSIG (10.5 BAR) DWP
For standard units. Johnson Controls model F61MG-
1C Vapor-proof SPDT, NEMA 3R switch (10.5 bar
[150 psig] DWP), -29°C to 121°C (-20°F to 250°F),
with 1" NPT connection for upright mounting in
horizontal pipe. (Field-mounted)
FLOW SWITCH ACCESSORY
Vapor proof SPDT, NEMA 3R switch, 10.3 barg (150
psig) DWP, -7°C to 121°C (20°F to 250°F) with 1" NPT
(IPS) connection for upright mounting in horizontal pipe
(this ow switch or equivalent must be furnished with
each unit). (Field-mounted)
DIFFERENTIAL PRESSURE SWITCH
Alternative to an above mentioned ow switch. Vapor
proof SPDT, NEMA 3R switch, 10.3 barg (150 psig)
DWP, -7°C to 121°C (20°F to 250°F) with 1" NPT
(IPS) connection for upright mounting in horizontal
pipe (This ow switch or equivalent must be furnished
with each unit).
HYDRO-KIT
Factory installed Hydro-Kit suitable for water glycol
systems with up to 35% glycol at leaving temperatures
down to 20° F. The Hydro-kit option is available in a
single or dual conguration (dual as standby duty only),
with totally enclosed permanently lubricated pump
motors.
The hydro-kit option comes standard with a balanc-
ing valve, ow switch, pressure ports, suction guide,
strainer, bleed and drain valves and frost protection.
Expansion tanks are optional within the Hydro-Kit
option.
CONDENSER AND CABINET OPTIONS
Condenser coil protection against corrosive environ-
ments is available by choosing any of the following
options. For additional application recommendations,
refer to FORM 150.1 -ES1. (Factory-mounted)
POST-COATED DIPPED CONDENSER
COILS
The unit is built with dipped-cured condenser coils.
This is the choice for corrosive applications (with
the exception of strong alkalis, oxidizers and wet
bromine, chlorine and uorine in concentrations
greater than 100 ppm).
ENCLOSURE PANELS (UNIT)
Tamperproof Enclosure Panels prevent unauthorized
access to units. Enclosure Panels can provide an
aesthetically pleasing alternative to expensive fenc-
ing. Additionally, for proper head pressure control,
Johnson Controls recommends the use of Condenser
Louvered Panels for winter applications where wind
gusts may exceed ve miles per hour. The following
types of enclosure panels are available:
WIRE PANELS (FULL UNIT)
Consists of welded wire-mesh guards mounted
on the exterior of the unit. Prevents unauthor-
ized access, yet provides free air ow. (Factory-
mounted)
WIRE/LOUVERED PANELS
Consists of welded wiremesh panels on the bottom
part of unit and louvered panels on the condenser
section of the unit. (Factory- mounted).

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