22
YORK INTERNATIONAL
FORM 201.19-NM8 (804)
DX EVAPORATOR AND STARTER OPTIONS
300 PSIG (21 bar) Waterside Design Working 
Pressure – The DX evaporator waterside is designed 
and con struct ed for 300 PSIG (21 bar) working pressure. 
(Factory-mounted)
 
1-1/2" (38 mm) Insulation – Double thickness in su -
la tion provided for enhanced effi ciency.
Flange Accessory – Consists of raised face fl anges to 
convert grooved water nozzles to fl anged evaporator 
connections. Includes companion flanges for field- 
mount ing.  See Page 31.
Remote DX Evaporator – Includes the main con-
 dens ing unit less the evaporator, re frig er ant and liquid 
line de vic es. The insulated evaporator and fi eld acces-
sory kits per re frig er ant circuit are sup plied separately. 
The condensing unit is shipped with a nitrogen  holding 
charge and the evaporator is shipped with a ni tro gen 
hold ing  charge.
Flow Switch Accessory – Johnson Controls model 
F61MG-1C Vapor-proof SPDT, NEMA 4X switch, 150 
PSIG (10 bar) DWP, -20°F to 250°F (-29°C to 121°C), 
with 1" NPT (IPS) con nec tion for upright mounting in 
horizontal pipe. A fl ow switch must be fi eld installed 
with each unit.  Optional 300 PSIG switch available.
Star-Delta Compressor Motor Starter – Provides ap-
proximately 65% reduced inrush current compared to 
across-the-line start (Factory-mounted).
UNIT ENCLOSURE OPTIONS
Wire enclosure – Heavy gauge welded wire mesh 
guards mounted on the exterior of the unit (Factory- or 
fi eld-mounted).
Louvered panels and wired guards – Louvered pan-
 els mounted over the exterior condenser coil faces, and 
heavy gauge welded wire mesh guards mounted around 
the bottom of the unit (Factory- or fi eld-mounted).
Louvered panels (condenser coils only) – Lou vered 
panels are mounted over the exterior condenser coil faces 
on the sides of the unit to visually screen and pro tect the 
coils (Factory- or fi eld-mounted).
Louvered panels (full unit) enclosure – Louvered 
panels over condenser coils and around the bottom of 
the unit (Factory- or fi eld-mounted).
FAN OPTIONS
High static fans: Fans and motors suitable for High 
External Static conditions to 100 Pa. 
SOUND REDUCTION OPTIONS
Low speed fans – Reduced RPM fan motors and al ter -
na tive fan selection for low noise applications. 
Compressor sound enclosures  – Acoustically 
treated metal compressor enclosures.  
VIBRATION ISOLATION 
Neoprene pad isolation – Recommended for normal 
installations. (Field-mounted)
1" (25 mm) spring isolators – Level adjustable, spring 
and cage type isolators for mounting under the unit base 
rails (Field-mounted).
2" (51 mm) seismic spring isolators – Restrained 
Spring-Flex Mountings incorporate welded steel hous-
 ing with vertical and horizontal limit stops. Housings de-
signed to withstand a minimum 1.0 g accelerated force in 
all directions to 2" (51 mm). Level ad just able, de fl ec tion 
may vary slightly by application. (Field- mount ed).
Product Description