York MVC20DN21 Technical Manual

York MVC20DN21 Technical Manual

Modular variable speed ecm communicating air handlers for use with split-system cooling & heat pumps

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TECHNICAL GUIDE
MODULAR VARIABLE SPEED ECM
COMMUNICATING AIR HANDLERS
FOR USE WITH SPLIT-SYSTEM
COOLING & HEAT PUMPS
MODELS: MVC SERIES
1
Due to continuous product improvement,
specifications are subject to change without notice.
Visit us on the web at:
www.upgnet.com and www.york.com
Additional rating information can be found at:
www.ahridirectory.org
WARRANTY SUMMARY
Standard 5-year limited parts warranty.
Extended 10-year limited parts warranty when product is
registered online within 90 days of purchase for replacement
or closing for new home construction.
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
® ®

DESCRIPTION

This unique modular system allows the flexibility to handle any
application. These versatile MVC blowers may be used for
upflow, downflow, or horizontal left or right applications. They
may be combined with cased coils to function as a cooling only
unit or with a heat pump including electric heat for 1 and 3
phase applications.

FEATURES

COMMON MVC AIR HANDLER AND MATCH-UP CM COIL
Rigid Case Construction - An interior endoskeleton for
structural support, smooth side, and locks in insulation.
Powder-painted - G30 galvanized steel case provide a coated
edge that resists corrosion and rust creep.
Quality Construction - Structural components are made of
Aluminum or G90 galvanized steel to prevent corrosion.
Improved Insulation Design - Single piece with no external
screws to reduce thermal transmission paths to prevent
sweating. Foil faced insulation for ease of cleaning.
Case Depth - These models have 20.5" casing which provide
ease of attic access and tight applications.
MVC AIR HANDLERS
Factory Sealed - Achieves 2% or less total airflow leakage rate
at duct leakage test conditions in positive and negative
pressure for system airflow verification.
Electric Heat Kits - 6HK series of field installed electric heat
kits are available for installation-friendly and easy service
applications.
Blowers - All models use direct-drive, variable speed ECM
motors.
CM COILS
TM
Coil - Long life aluminum coils built to deliver
MaxAlloy
lasting performance, efficiency and reliability.
Thermostatic Expansion Valve - The accessory bolt-on TXV
provides easy installation to convert the indoor coil to the
required refrigerant that does not require brazing to replace or
install. Some models are available with factory installed TXV.
Thermoset Drain Pan - Low retention and positive slope for
drainage to reduce potential mold or contaminants.
Accessories - A full line of matching accessories available for
use with the blower and coils to provide for any type of
application.
5151065-YTG-H-0118

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Summarization of Contents

NOMENCLATURE
PRODUCT TYPE
Defines the product type code for model identification.
POSITION MOTOR TYPE
Defines the motor type codes used in model numbers.
OPTIONS
Specifies codes for system options and configurations.
NOMINAL AIR FLOW
Lists codes representing nominal airflow capacities in CFM.
CABINET WIDTH
Provides codes for different cabinet width dimensions.
VOLTAGE (Voltage-Phase-Hertz)
Defines codes for voltage, phase, and frequency ratings.
GENERATION (MAJOR REVISION)
Indicates the major revision or generation of the product.
STYLE LETTER (MINOR REVISION)
Denotes minor revisions or style variations of the product.
COOLING CAPACITY
CM - Indoor Coil Multi-position MaxAlloy ™™ Factory Installed TXV Coils
Cooling capacity data for models with factory installed TXV coils.
CM - Indoor Coil Multi-position MaxAlloy ™™ Factory Installed EEV Coils
Cooling capacity data for models with factory installed EEV coils.
ACCESSORIES
TXV Kits
Optional kits for field installing R-22 or R-410A TXV or orifice.
Electric Heater Kits
Information on 6HK series electric heater kits with sequential operation.
Filter Rack Kits
Accessory to install external filters in various orientations.
Combustible Floor Base
Required for downflow installations on combustible floors to maintain clearance.
Breaker Moisture Seal
Barrier to protect service disconnects from humidity and dust.
COMBUSTIBLE FLOOR BASE ACCESSORY
Floor Base Models and Dimensions
Details specific floor base models, their usage, and dimensions.
TYPICAL THERMOSTAT CONNECTION
Cooling & Electric Heat Wiring
Wiring diagrams for cooling-only and cooling with electric heat applications.
Two-Stage Heat Pump Wiring
Wiring configurations for two-stage heat pump systems with specific boards.
Communicating System Wiring
Connection diagrams for communicating AC/HP units using touch screen controls.

Table of Contents