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York MA Installation Manual

Modular non-variable speed air handlers
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INSTALLATION MANUAL
MODULAR
NON-VARIABLE SPEED AIR HANDLERS
MODELS: MA
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ELECTRIC HEATER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 5
LOW VOLTAGE CONTROL CONNECTIONS . . . . . . . . . . . . . . . . . . 5
Typical Installation with MC or FC Evaporator Coil . . . . . . . . . . . . . . . 3
Coil and Air Handler Attachment Details . . . . . . . . . . . . . . . . . . . . . . . 3
Dimensions & Duct Connection Dimensions . . . . . . . . . . . . . . . . . . . . 4
Typical Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Low Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Low Fan Control Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Blower Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Heat Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Physical and Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Data - Cooling Only (60 Hz) - 208/230 . . . . . . . . . . . . . . . . . 9
Electrical Data - Cooling Only (60 Hz) - 460 . . . . . . . . . . . . . . . . . . . . 9
Conversion Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Data - 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . 10
Copper Wire 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SECTION I: GENERAL
This modular air handler provides the flexibility for installation in any
upflow, downflow, or horizontal application. These versatile models may
be used for cooling or heat pump operation with or without electric heat.
A BRAND LABEL (available from Distribution) may be applied to the
center of the blower access panel.
The unit can be positioned for bottom return air in the upflow position,
top return air in the downflow position, and right or left return in the hor-
izontal position.
Top and side power wiring and control wiring, accessible screw termi-
nals for control wiring and easy to install electric heaters all combine to
make the installation easy, and minimize installation cost.
SECTION II: SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words DANGER,
WARNING, or CAUTION.
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
LIST OF SECTIONS
REQUIRED CONTROL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
LINE POWER CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
BLOWER SPEED CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .8
UNIT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
LIST OF FIGURES
460V - Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
460V - Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Cooling Models with Electric Heat Wiring . . . . . . . . . . . . . . . . . . . . . .15
Two-Stage Cooling Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
LIST OF TABLES
Copper Wire 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Electrical Data - 3 Ø - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . .11
Copper Wire 3 Ø - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Copper Wire 3 Ø - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Electrical Data - 460-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Copper Wire 3 Ø - 460-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Air Flow Data - 60 Hz Models (230 & 460 Volt) . . . . . . . . . . . . . . . . .13
Air Flow Data - 60 Hz Models (208 Volt) . . . . . . . . . . . . . . . . . . . . . .14
WARNING indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation, which, if not
avoided may result in minor or moderate injury. It is also used to
alert against unsafe practices and hazards involving only property dam-
age.
Improper installation may create a condition where the operation of
the product could cause personal injury or property damage.
Improper installation, adjustment, alteration, service or mainte-
nance can cause injury or property damage. Refer to this manual
for assistance or for additional information, consult a qualified con-
tractor, installer or service agency.
This product must be installed in strict compliance with the installa-
tion instructions and any applicable local, state, and national codes
including, but not limited to building, electrical, and mechanical
codes.
ISO 9001
Certified Quality
Management System

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Summary of Contents for York MA

  • Page 1: Table Of Contents

    NON-VARIABLE SPEED AIR HANDLERS MODELS: MA GENERAL ..........1 SAFETY .

  • Page 2: Safety

    262675-UIM-A-0806 FIRE OR ELECTRICAL HAZARD Failure to follow the safety warnings exactly could result in serious injury, death or property damage. A fire or electrical hazard may result causing property damage, per- sonal injury or loss of life. Install this air handler only in a location and position as specified in SECTION III of these instructions.
  • Page 3 Up Flow FIGURE 1: Typical Installation with MC or FC Evaporator Coil DOWNFLOW AND HORIZONTAL CONVERSION These air handler units are supplied ready to be installed in a upflow, downflow and left or right hand horizontal position. If the unit is to be installed with an evaporator coil, refer to Figure 1 for unit positioning information.
  • Page 4 262675-UIM-A-0806 FIGURE 3: Dimensions & Duct Connection Dimensions TABLE 1: Dimensions MODELS Height 1. Actual size (Conduit size). DUCT CONNECTORS Use 1/2" screws to connect ductwork to bottom of unit. Longer screws will pierce the drain pan and cause leakage. If pilot holes are drilled, drill only though field duct and unit bottom flange.

  • Page 5: Electric Heater Installation

    HORIZONTAL SUSPENSION For suspension of these units in horizontal applications, it is recom- mended to use angle steel support brackets with threaded rods, sup- porting the units from the bottom, at the locations shown in Figure 4. SUSPENSION SUPPORT LOCATIONS FOR HORIZONTAL APPLICATIONS MIN.

  • Page 6: Humidity Switch Input

    262675-UIM-A-0806 NOTE: All wiring must comply with local and national electrical code requirements. Read and heed all unit caution labels. NOTE: It is possible to vary the amount of electric heat turned on during the defrost cycle of a heat pump. Standard wiring will only bring on the first stage of electric heat during defrost.

  • Page 7: Line Power Connections

    External Relay Outputs The control includes three outputs to drive external relays having 24 VAC coils. The outputs have a maximum rating of 1.0 Amp pilot duty at 24 VAC. HUM OUT The HUM OUT output can be used to drive an external relay or solenoid (24 VAC coil) to control a humidifier.

  • Page 8: Line Power Connections

    262675-UIM-A-0806 TYPICAL WIRING WITHOUT ELECTRIC HEAT GND. GND. LUG POWER SUPPLY 1 PHASE ELECTRIC HEAT WITH CIRCUIT BREAKER & BREAKER BAR REMOVED MULTI-SOURCE (15 - 25 KW) - 25 KW SHOWN GND. LUG GND. POWER SUPPLY 1 POWER SUPPLY 2 POWER SUPPLY 3 MAY BE 1, 2, OR 3...

  • Page 9: Physical And Electrical Data

    SECTION IX: UNIT DATA TABLE 7: Physical and Electrical Data Models: MA Blower - Diameter x Width Motor Nominal RPM Voltage Amps Full Load Type Size Filter Permanent Type Kit Filter Rack Shipping / Operating Weight (lbs.) Models: MA Blower - Diameter x Width...

  • Page 10: Electrical Data - 1 Ø - 208/230-1-60

    262675-UIM-A-0806 TABLE 11: Electrical Data - 1 Ø - 208/230-1-60 Models Heat Kit - Single Phase 4HK*6500206 4HK*6500506 08BN21 4HK*6500806 4HK*6501006 4HK*6500506 4HK*6500806 12BN21 4HK*6501006 4HK165N1506 4HK*6500506 4HK*6500806 4HK*6501006 14DN21 4HK16501506 4HK16501806 4HK16502006 4HK*6500506 4HK*6500806 4HK*6501006 16CN21 4HK16501506 4HK16501806 4HK16502006 4HK*6500806 4HK*6501006 4HK16501506...

  • Page 11: Electrical Data - (For Single Source Power Supply) - Copper Wire 1 Ø - 208/230-1-60

    TABLE 13: Electrical Data - (For Single Source Power Supply) - Copper Wire 1 Ø - 208/230-1-60 Models Heat Kit - Single Phase* 4HK*6500206 4HK*6500506 08BN21 4HK*6500806 4HK*6501006 4HK*6500506 4HK*6500806 12BN21 4HK*6501006 4HK165N1506 4HK*6500506 4HK*6500806 4HK*6501006 14DN21 4HK16501506 4HK16501806 4HK16502006 4HK*6500506 4HK*6500806 4HK*6501006...

  • Page 12: Electrical Data - (For Multi-Source Power Supply) - Copper Wire 3 Ø - 208/230-3-60

    262675-UIM-A-0806 TABLE 15: Electrical Data - (For Multi-Source Power Supply) - Copper Wire 3 Ø - 208/230-3-60 Models Heater Model 208/240 4HK16502525 40.0 / 45.4 1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse. TABLE 16: Electrical Data - (For Single Source Power Supply) - Copper Wire 3 Ø...

  • Page 13: Air Flow Data - 60 Hz Models (230 & 460 Volt)

    Med. 1. Includes return air filter, coil, and 10kW electric heater. All MA series air handler units are UL Listed up to 0.50" w.c. external static pressure, including air filter, wet coil, and largest KW size heater. Unitary Products Group...

  • Page 14: Air Flow Data - 60 Hz Models (208 Volt)

    1. Includes return air filter, coil, and 10kW electric heater. All MA series air handler units are UL Listed up to 0.50" w.c. external static pressure, including air filter, wet coil, and largest KW size heater. 208 Volt - 60 Hz...

  • Page 15: Maintenance

    5. To change quantity of heat during HP defrost cycle - Reverse connections at W1 & W2 on Air Handler Control Board CONTROL WIRING - MA Series - Air Handler & New UPG HP Systems Two Stage H/P with York Guard VI Board & Copeland “Ultra Tech”...
  • Page 16 Subject to change without notice. Printed in U.S.A. Copyright © by York International Corp. 2006. All rights reserved. Unitary Product Group NOTES 5005 York Drive 262675-UIM-A-0806 Supersedes: 170341-UIM-C-0806 Norman 73069...

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