251934-YTG-G-0708

ZF Unit Dimensions Front View

BLOWER ACCESS

 

(Location Of

FIELD-SUPPLIED

BLOWER MOTOR ACCESS Optional VFD)

DISCONNECT SWITCH

(Location Of Optional

LOCATION

VFD Bypass)

 

BLOWER

 

COMPARTMENT

 

ACCESS

 

(Auxiliary)

 

DOT PLUG

 

(For pressure

 

Drop Reading)

 

ELECTRIC

 

GAS HEAT

 

ACCESS

 

ECONOMIZER / MOTORIZED DAMPER, FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS

(See detail "Y")

COMPRESSOR ACCESS (See detail "X")

OPTIONAL COIL

GUARD KIT

48-5/8" (15 Ton)

52-5/8" (17.5 thru 25 Ton)

VENT AIR OUTLET HOODS

21"

CONDENSER COILS

COMBUSTION

AIR INLET

HOOD

(C)

GAS SUPPLY ENTRY

 

 

 

 

on)

 

 

 

 

T

 

 

 

(15 .

 

 

 

 

(17

5

Ton)

-1/4"

 

 

125

-1/4"

 

25

6-3/8"

 

thru

 

 

136

 

 

 

 

 

CONTROL BOX

ACCESS 35"

5"

7-1/8"

9-3/4"

5-7/8"

46-5/8"

92"

11-1/2"

BOTTOM SUPPLY

All dimensions are in inches. They are subject to change without notice. Certi- fied dimensions will be provided upon request.

(A)

CONTROL WIRING ENTRY

(B)

POWER WIRING ENTRY

FRONT

VIEW

 

 

(15

Ton)

 

 

 

.5

 

-1/4"

 

(17

Ton)

RETURN

 

 

 

 

AIR

24

-1/4"

 

25

 

 

35

thru

 

 

33"

 

 

 

 

 

 

SUPPLY

AIR

2-3/4" 21-1/2"

11-1/8"

AND RETURN AIR OPENINGS (See Note)

3-3/4"

RETURN AIR

SUPPLY AIR

OUTDOOR AIR

OUTDOOR AIR (Economizer)

UNIT BASE WITH RAILS

 

 

 

 

 

 

 

Shown separately to illustrate

(D)

 

 

 

 

 

Bottom Duct openings, Power

GAS SUPPLY

 

 

 

 

 

and Gas Piping Connection

ENTRY

 

 

 

 

 

locations

 

 

 

 

 

 

NOTE:

 

 

 

 

 

 

 

46-5/8"

 

 

 

 

For curb mounted units, refer to the curb hanger

 

 

9-1/4"

 

 

 

dimensions of the curb for the proper size of the

 

 

 

 

12-1/2"

 

supply and return air duct connections.

 

 

 

 

 

 

 

 

(B)

POWER WIRING ENTRY

(A)

8-1/8"CONTROL WIRING ENTRY

9-3/4"

Utilities Entry

Hole

Opening Size

Used For

 

Diameter

 

 

 

 

 

A

1-1/8” KO

Control Wiring

 

Front

3/4” NPS (Fem.)

 

Bottom

 

 

 

B

3-5/8” KO

Power Wiring

 

Front

3” NPS (Fem.)

 

Bottom

 

 

 

C

2-3/8” KO

Gas Piping

(Front)1

D

1-11/16” Hole

Gas Piping (Bottom)1,2

1.One-inch Gas Piping NPT Required.

2.Opening in the bottom to the unit can be located by the slice in the

insulation.

NOTE: All entry holes should be field sealed to prevent rain water entry into the building.

Johnson Controls Unitary Products

99

Page 99
Image 99
York R-410A manual ZF Unit Dimensions Front View, 48-5/8 15 Ton 52-5/8 17.5 thru 25 Ton

R-410A specifications

York R-410A is a widely recognized and highly efficient refrigerant used in modern air conditioning systems. Developed as an environmentally friendly alternative to R-22, R-410A has gained popularity in the HVAC industry due to its numerous advantageous features and characteristics.

One of the main features of York R-410A is its ability to provide superior cooling performance. This refrigerant operates efficiently at both high and low temperatures, allowing systems using it to maintain optimal indoor climates even during extreme weather conditions. Its high energy efficiency ratio (EER) and seasonal energy efficiency ratio (SEER) ratings make it a preferred choice for energy-conscious consumers, resulting in lower energy bills and a reduced carbon footprint.

Technologically, York R-410A systems feature advanced compressor designs that enhance their overall reliability and performance. These compressors are often equipped with variable-speed technology, enabling them to adjust their output to match the cooling demands of the space. This not only improves comfort levels but also leads to efficient energy consumption, reducing wear and tear on the equipment over time.

Another significant characteristic of York R-410A is its non-ozone-depleting properties. Unlike its predecessor R-22, which is being phased out due to its damaging effects on the ozone layer, R-410A is designed to minimize environmental impact. Its lower global warming potential (GWP) further underscores its role in promoting sustainability within the HVAC sector.

Furthermore, York R-410A systems are engineered with enhanced safety features. The refrigerant is non-toxic and non-flammable, which makes it safer for use in both residential and commercial applications. Additionally, its high thermal stability reduces the risk of breakdown or leakage, contributing to longer system lifespans and lower maintenance costs.

In conclusion, York R-410A stands out as a cutting-edge refrigerant that combines efficiency, safety, and environmental responsibility. With its advanced technologies and remarkable characteristics, it meets the demands of modern air conditioning requirements while paving the way for a sustainable future in HVAC systems. Adopting York R-410A not only benefits individual users through improved comfort and lower energy bills but also plays a vital role in protecting our planet's ozone layer and mitigating climate change.