York D2HE/D2HG060 User Manual

036-21216-003-A-0204

24

Unitary Products Group

Single packaged outdoor mounted rooftop with built in field 
convertible duct connections for vertical discharge/return air 
or horizontal discharge/return air configuration. Cooling per-
formance shall be rated in accordance with DOE and ARI test 
procedures. Units shall be CSA Certified to ANSIZ21.47 stan-
dards and UL 1995/CAN/CSA No. 236-M90 conditions.

Factory-assembled, single-piece heating and cooling unit. 
Unit shall be factory wired, piped, charged with R-22 refriger-
ant and factory tested prior to shipment. Enclosed in each 
unit shall be a factory test log sheet consisting of the unit 
tested pressures, temperatures and amps, as tested prior to 
shipment.

1. Unit cabinet shall be constructed of galvanized steel, 

with exterior surfaces coated with a powered paint finish 
certified at 750 hours salt spray test per ASTM-B117 
standards.

2. Indoor blower section shall be insulated with a minimum  

thick insulation, coated on the air side. Aluminum foil 
faced insulation shall be used in the furnace compart-
ment and be fastened with ridged fasteners to prevent 
entering the air stream.

3. Cabinet panels shall be large size and easily removable 

for servicing.

4. Perimeter base rails shall be provided to assure reliable 

transit of equipment, rigging, and proper sealing to roof 
on curb applications. 

5. Disposable filters (1") shall be furnished and be accessi-

ble through a removable access door sealed air tight. 
Units filter track shall be designed to accommodate both 
1" and 2" filters.

6. Fan performance access ports shall be provided on cab-

inet to allow accurate air measurements of evaporator 
fan performance without removing panels or creating air 
by-pass of the coils.

7. Units vertical discharge duct configuration shall be 

designed to fit between standard 24" O.C. beams without 
modification to building structure, duct work and base 
unit.

8. Condensate pan shall be internally sloped and confirm to 

ASHARE 62-89 Standards. Condensate connection shall 
be a minimum of  and be a rigged mount connection 
secured to the base unit.

1. Fan shall be a belt driven assembly and include an 

adjustable-pitch motor pulley. Job site selected (B.H.P.) 
brake horse power shall not exceed the motors name-
plate horse power rating plus the service factor. Units are 
designed not to operate into service factor.

2. Fan wheel shall be double-inlet type with forward-curved 

blades which are dynamically balanced.

3. Bearings shall be sealed, permanently lubricated for 

longer life and no maintenance.

1. Outdoor (condenser) fan shall be of the direct-driven pro-

peller type and shall discharge air vertically upward.

2. Outdoor (condenser) fan motor shall be totally enclosed 

with permanently lubricated bearings and internally pro-
tected to overload conditions.

3. Outdoor (condenser) fan shall have aluminum blades riv-

eted to corrosion resistant steel spiders and shall be 
dynamically balanced.

1. Compressor:

a. Fully hermetic type, internally protected with internal 

high-pressure relief and over temperature protec-
tion.

b. Factory mounted on internal spring mounted on 

independent dedicated mounting isolation.

2. Coils:

a. Evaporator and condenser coils shall have alumi-

num plate fins mechanically bonded to seamless 
internally-enhanced copper tubes with all joints 
brazed. Special Phenolic coating available as a fac-
tory option.

b. Evaporator coil shall be of the full face active 

design.

3. Refrigerant Safety Components:

Refrigerant circuit components shall include:
a. Balance-port thermostatic expansion valve with 

independent circuit feed system.

b. Filter drier/ strainer to eliminate any moisture or for-

eign matter.

c.

Service gage connections on suction, discharge 
lines to charge, evacuate, and contain refrigerant 
during necessary servicing.

4. Unit Controls: 

a. Unit shall be complete with self contained low-volt-

age control circuit protected by a fuse on the 24 volt 
transformer side.