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INSTALLATION
MANUAL - 50 Hz
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 5
AGENCY APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
See the following page for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
Installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions are given
to prevent equipment damage. Warnings are given to
alert installer that personal injury and/or equipment dam-
age may result if installation procedure is not handled
properly.
CAUTION: READ ALL SAFETY GUIDES BEFORE
YOU BEGIN TO INSTALL UNIT.
SAVE THIS MANUAL
SPLIT-SYSTEM
CONDENSING UNITS
(AIR COOLED)
MODELS:
HA300 - 25 Ton
HB360 - 30 Ton
HB480 - 40 Ton
HB600 - 50 Ton
(50 Hz)
035-18575-001-A-1102
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Table of Contents
Related Manuals for Unitary products group YORK HA300
Summary of Contents for Unitary products group YORK HA300
- Page 1 INSTALLATION SPLIT-SYSTEM MANUAL - 50 Hz CONDENSING UNITS (AIR COOLED) CONTENTS GENERAL ........5 MODELS: HA300 - 25 Ton SAFETY CONSIDERATIONS .
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Page 2: Table Of Contents
FLASH TIMES ........23 380/415-3-50 ......29 Unitary Products Group... - Page 3 LIQUID LINES ......14 13 STATUS LED FLASH RATE CHART ... . 23 Unitary Products Group...
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Page 4: Nomenclature
AC = Technicoated Coil Product Generation 1 = 1st Generation 2 = 2nd Generation NOTE: HB models are designed for 4-Pipe (dual) applications only. 4-Pipe condensing units can- not be matched with one single 2-Pipe air han- dler. Unitary Products Group... -
Page 5: General
As soon as a unit is received, it should be inspected for possible damage during transit. If damage is evident, the extent of the damage should be noted on the car- rier’s freight bill. A separate request for inspection by the carrier’s agent should be made in writing. Unitary Products Group... -
Page 6: Installation
These units can operate in an ambient temperature of Use the following guidelines to select a suitable loca- 125°F providing the wet bulb temperature of the air tion for both the condensing unit and the evaporator. entering the evaporator coil does not exceed 67°F. Unitary Products Group... -
Page 7: Rooftop Locations
884.5 HB360 1730 1790 110.46 88.46 44.8 42.8 701.6 1028.4 HB480 1961 2037 128.46 88.46 51.0 43.8 778.5 1182.5 HB600 2470 2563 128.46 88.46 49.2 44.5 946.0 1524.0 FIGURE 1 - CORNER WEIGHTS & CENTER OF GRAVITY Unitary Products Group... -
Page 8: Clearances
In all installations where snow accumulates and winter The length of the spreader bars must exceed the width operation is expected, additional height must be provided of the unit. Refer to Table 3 for unit weights. to insure normal condenser airflow. Unitary Products Group... -
Page 9: Power Wiring
This will allow PHASING sufficient time for all liquid refrigerant to be driven out of the compressor. The units are properly phased at the factory. Check for proper compressor rotation. If the fans or compressors Unitary Products Group... -
Page 10: Refrigerant Mains
The liquid and suction connections permit leak testing, or discs on the liquid and suction connections that will evacuation, and partial charging of the field piping and not permit a free flow of nitrogen. the evaporator without disturbing the condenser coils during initial installation. Unitary Products Group... -
Page 11: Line Sizing
Once the brazing process is complete, leak testing leaving the condenser coil or if so equipped from the should be done on all interconnecting piping and the factory, if chosen as an option. evaporator before proper evacuation to 500 microns is Unitary Products Group... -
Page 12: Evacuation And Charging
23 psi will result in overheating of the to both the liquid service port connection on the liquid scrolls and permanent damage to the com- line and the suction service port connection on the suc- pressor drive bearing. Unitary Products Group... -
Page 13: Suction Lines
1 5/8 2020 Half Capacity 12.5 2 1/8 1163 2 5/8 HB600 1 5/8 4039 14.9 Full Capacity 2 1/8 2327 2 5/8 1507 System #2 1 5/8 2020 Half Capacity 12.5 2 1/8 1163 2 5/8 Unitary Products Group... -
Page 14: Liquid Lines
†. Type “L” copper tubing. NOTE: Add the operating charge of the condensing unit, evaporator coil and 25 feet of interconnecting piping to any additional piping refrigerant charge required (determined from Table 8) for total system charge. Unitary Products Group... -
Page 15: Field Wiring Diagram - Ha 300 Unit
035-18575-001-A-1102 POWER SUPPLY 380/415-3-50 POWER SUPPLY 380/415-3-50 FIGURE 3 - FIELD WIRING DIAGRAM - HA 300 UNIT Unitary Products Group... -
Page 16: Field Wiring Diagram - Hb 360, 480, 600 Units
035-18575-001-A-1102 POWER SUPPLY 380/415-3-50 POWER SUPPLY 380/415-3-50 FIGURE 4 - FIELD WIRING DIAGRAM - HB 360, 480, 600 UNITS Unitary Products Group... -
Page 17: Piping And Electrical Connections
See Tables 10, 11 and 12 and Figures 6 thru 10 for piping sizes and electrical knockout details. Unitary Products Group... -
Page 18: 40 Ton Power And Control Wiring Connections
035-18575-001-A-1102 Control Wiring Power Wiring FIGURE 6 - 25, 30 & 40 TON POWER AND CONTROL WIRING CONNECTIONS Control Wiring Power Wiring FIGURE 7 - 50 TON POWER AND CONTROL WIRING CONNECTIONS Unitary Products Group... -
Page 19: Piping And Electrical Connection Sizes
CONTROL WIRING 7/8 HOLE POWER WIRING KNOCKOUT SEE TABLE 12 CONTROL WIRING 7/8 HOLE TABLE 12: ELECTRICAL POWER KNOCKOUT SIZES (INCHES) CONNECTION ENTRY 25T/380/415V 30-40-50T/380/415V POWER WIRING 1-1/2” 1-1/2” Liquid Suction FIGURE 8 - 25 TON PIPING CONNECTIONS Unitary Products Group... -
Page 20: 40 Ton Piping Connections
Suction (Sys 1) Liquid (Sys 2) Suction (Sys 2) FIGURE 9 - 30 & 40 TON PIPING CONNECTIONS Liquid (Sys 1) Liquid (Sys 2) Suction (Sys 1) Suction (Sys 2) FIGURE 10 - 50 TON PIPING CONNECTIONS Unitary Products Group... -
Page 21: Start-Up
9. Are any refrigerant lines touching each other or any sheet metal surface? Rubbing due to vibration These series of condensing units, come factory could cause a refrigerant leak. equipped with Simplicity controls to monitor all unit functionality and safety controls. Unitary Products Group... -
Page 22: Safety Controls
When energized, the indoor blower has a minimum run An ambient air switch will lock out mechanical cooling time of 30 seconds. Additionally, the indoor blower has at 40°F. In order to operate the unit in ambient temper- a delay of 10 seconds between operations. Unitary Products Group... -
Page 23: Cooling Sequence Of Operation
280 psig at which time condenser fan two will restart. ond off delay between flash codes. Under normal oper- ation, the control will flash the LED at a rate of 1 See Fan Orientation on page 24 Figure 11. Unitary Products Group... -
Page 24: Operation With A Two-Stage Thermostat
COMPRESSOR REPLACEMENT OPERATION WITH A FOUR-STAGE THERMOSTAT Obtain replacement compressor or parts from your local Distributor. If the total system is to be controlled with a 4-stage thermostat (HB360, HB480 and HB600): Unitary Products Group... -
Page 25: 25 Ton Charging Chart
2. This chart is applicable to the unit with the TXV's left to the factory setting. If the TXV's have been adjusted in the field, the chart above may no longer apply. FIGURE 13 - 30 TON CHARGING CHART Unitary Products Group... -
Page 26: 40 Ton Charging Chart
2. This chart is applicable to the unit with the TXV's left to the factory setting. If the TXV's have been adjusted in the field, the chart above may no longer apply. FIGURE 15 - 50 TON CHARGING CHART Unitary Products Group... -
Page 27: 25 Ton Condenser Unit Wiring Diagram - 380/415-3-50
035-18575-001-A-1102 FIGURE 16 - 25 TON CONDENSER UNIT WIRING DIAGRAM - 380/415-3-50 Unitary Products Group... -
Page 28: 30 Or 40 Ton Condensing Unit Wiring Diagram - 380/415-3-50
035-18575-001-A-1102 FIGURE 17 - 30 or 40 TON CONDENSING UNIT WIRING DIAGRAM - 380/415-3-50 Unitary Products Group... -
Page 29: 50 Ton Condenser Unit Wiring Diagram - 380/415-3-50
035-18575-001-A-1102 FIGURE 18 - 50 TON CONDENSER UNIT WIRING DIAGRAM - 380/415-3-50 Unitary Products Group... - Page 30 035-18575-001-A-1102 Unitary Products Group...
- Page 31 035-18575-001-A-1102 Unitary Products Group...
- Page 32 Subject to change without notice. Printed in U.S.A. 035-18575-001-A-1102 Copyright © by Unitary Products Group 2002. All rights reserved. Supersedes: 035-18575-000-A-0402 Unitary 5005 Norman Products York Group Drive 73069...
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