ACCESSORIES

Refer to Price Manual for specific model numbers where not shown.

TXV Kits - TXV kits are available for “Flex-coil” applications and converting R-22 to R-410A or as a service replacement. All kits are bolt-on and require no brazing to install.

Electric Heaters - 4HK models shown under electrical data include sequential operation and temperature dual limit switches for safe, efficient operation. Circuit breakers are pro- vided where shown.

External Insulating Wrap Kit - Provides a vinyl covered ther- mal insulation wrap, providing additional thermal insulation pro- tection to prevent sweating in applications where extreme high humidity is present. Air Handler cover (or wrap) has Velcro edges for easy installation and access.

S1-1JV0117

S1-1JV0121

S1-1JV0124

S1-1JV0224 (SV* models only) Humidstat - S1-2HU16700124

256819-YTG-J-1208

LIMITATIONS

These units must be wired and installed in accordance with all national and local safety codes.

Voltage limits are as follows:

Air Handler Voltage

Voltage code

1Normal Operating

Voltage Range

 

 

 

 

 

208/230-1-60

06

187-253

1.Rated in accordance with ARI Standard 110, utilization range “A”.

Airflow must be within the minimum and maximum limits approved for electric heat, evaporator coils and outdoor units.

Entering Air Temperature Limits

Wet Bulb Temp.°F

Dry Bulb Temp. °F

Min.

Max.

Min.

Max.

57

72

65

95

Control when used with ECM variable speed models will moni- tor humidity level in both winter and summer seasons. Adjusts blower speed and airflow provided to maintain desired humidity levels.

COOLING MODELS WITH ELECTRIC HEAT WIRING

 

 

 

Air Handler Control Wiring

 

 

 

 

 

Air Handler Control Wiring

 

 

Typical A/C - Cooling only Applications

 

 

Typical A/C with Electric Heat Applications

 

 

 

THERMOSTAT

AIR HANDLER

 

1 - STAGE

 

THERMOSTAT

AIR HANDLER

 

1 - STAGE

 

 

BOARD

 

 

 

BOARD

 

 

 

R

 

 

R

 

AIR CONDITIONING

 

 

R

 

 

 

R

 

AIR CONDITIONING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

G

 

 

 

 

 

 

 

 

 

G

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

Y / Y2

 

 

Y

 

 

 

 

 

Y

 

 

 

Y / Y2

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W1

 

 

Y1

 

 

 

 

 

 

 

 

 

 

 

 

 

Y1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

W2

 

 

 

 

 

 

 

 

 

W2

 

 

 

W2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

W1

 

 

 

 

HUMIDISTAT *

 

 

 

W1

 

 

 

W1

 

 

 

 

HUMIDISTAT *

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

C

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HUM

 

 

 

 

 

 

 

 

 

 

 

 

 

HUM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X / L

 

 

 

 

 

 

 

 

 

 

 

 

 

X / L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

C

 

 

 

 

 

 

 

 

 

COM

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* Optional dehumidification humidistat switch contacts open on humidity rise.

NOTES:

1.“Y/Y2” Terminal on air handler control board must be connected for full CFM and applications requiring 60 second blower off delay for SEER enhancement.

2.Remove humidistat jumper on air handler control board.

3.For heat pump applications - set MODE jumper on air handler control board to the HP position.

4.To change quantity of heat during HP defrost cycle - reverse connections at W1 and W2 on air handler control board.

Johnson Controls Unitary Products

9

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York AVY24 THRU 60, SVY48 THRU 60 specifications Accessories, Limitations, Cooling Models with Electric Heat Wiring
Page 8 Page 10

AVY24 THRU 60, SVY48 THRU 60 specifications

York AVY24 through 60 and SVY48 through 60 are two advanced models from York’s extensive HVAC range, designed to deliver exceptional performance, efficiency, and durability for commercial applications. These systems are ideal for facilities seeking reliable climate control while minimizing energy consumption.

The York AVY series encompasses units that provide versatile application with multiple tonnage options ranging from 24,000 to 60,000 BTUs. These units utilize advanced inverter technology, which enables them to adjust their compressor speed based on real-time cooling and heating requirements. This capability not only enhances comfort but also significantly reduces energy costs, making the AVY series an attractive choice for energy-conscious businesses.

One of the standout features of the AVY series is its integrated controls system, which allows for easy monitoring and management of HVAC operations. Users can access information such as energy consumption, temperature settings, and maintenance alerts through a user-friendly interface. Moreover, the advanced airflow technology incorporated in these units enhances indoor air quality by ensuring consistent air distribution and temperature balance throughout the space.

In addition to the AVY series, the York SVY models also range from 48,000 to 60,000 BTUs. These units are engineered for high performance in harsh environments, featuring robust construction materials and superior rust protection. The SVY series is equipped with high-efficiency scroll compressors, which contribute to quieter operation and lower energy usage compared to conventional systems.

Moreover, the SVY units feature enhanced sound insulation and vibration dampening technology, making them suitable for both indoor and outdoor installations without disturbing occupants. Both series also meet or exceed ASHRAE efficiency ratings, showcasing York's commitment to providing environmentally friendly solutions that comply with energy regulations.

Additional characteristics of both the AVY and SVY series include ease of installation and maintenance. These units come with modular designs that allow for quick access to key components, reducing downtime during service. Furthermore, they are compatible with various building automation systems, facilitating seamless integration into existing infrastructures.

In summary, the York AVY24 through 60 and SVY48 through 60 units exemplify modern HVAC technology, combining efficiency, durability, and user-friendly features. These systems are an excellent investment for commercial spaces looking to maintain optimal comfort while promoting sustainability and energy conservation.
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