251934-YTG-G-0708

ZJ/ZR/ZF180-300 Unit Dimensions

ZJ/ZR Unit Dimensions Front View

ECONOMIZER / MOTORIZED DAMPER FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS (See detail Y)

 

BLOWER MOTOR

 

 

ACCESS (Location

BLOWER ACCESS

BLOWER

of Optional VFD Bypass)

(Location of

COMPARTMENT

 

Optional VFD)

ACCESS

 

 

 

(Auxiliary)

 

 

DOT PLUG

52-5/8

 

(For pressure

 

 

drop reading)

 

 

 

GAS OR ELECTRIC

 

 

HEAT

 

 

 

ACCESS

 

 

 

VENT AIR

 

 

 

OUTLET

 

 

 

HOODS

 

 

 

COMBUSTION

 

 

AIR INLET HOOD

(C) GAS

 

 

 

 

 

 

SUPPLY

 

 

 

ENTRY

 

 

 

7-1/8

 

 

 

136-1/4

 

 

 

CONTROL BOX

 

 

 

ACCESS

 

 

 

35

 

 

 

35-1/4

21.00

9-3/4

6-3/8

5

46-5/8

11-1/2

5-7/8

RETURN

33 AIR

180-19/32

COMPRESSOR ACCESS

CONDENSER

COILS

(A) CONTROL WIRING

92 ENTRY

DISCONNECT

SWITCH

LOCATION

(B)POWER WIRING ENTRY

BOTTOM SUPPLY

AND RETURN

AIR OPENINGS

(See Note)

COIL

GUARD

KIT

UNIT BASE RAILS

 

Shown separately to illustrate

(D)

Bottom Duct openings. Power

and Gas Piping Connection

GAS SUPPLY

location.

ENTRY

 

NOTE:

For curb mounted units, refer to the curb hanger dimensions of the curb for proper size of the supply and return air duct connections.

2-3/4

SUPPLY

AIR

 

21-1/2

11-1/8

12-1/2

46-5/8

9-1/4

3-3/4

(B)POWER WIRING ENTRY

8-1/8

(A) 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.

98

Johnson Controls Unitary Products

Page 98
Image 98
York R-410A manual ZJ/ZR/ZF180-300 Unit Dimensions, ZJ/ZR Unit Dimensions Front View, Utilities Entry

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.