Unitary products group HF-07 Installation Manual Download

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035-18518-001-B-0703

Unitary Products Group

NOMENCLATURE

YORK SPLIT INDOOR PRODUCT NOMENCLATURE

F A 120 C 00 A 6 A AA 1 A

Model #

Model Number
Description

Options

Product Category

L = Air Handling Unit - Cooling F = Air Handling Unit - Heat Pump

Product Identifier

A = R-22 Standard Efficiency 2-Pipe

120

Nominal Cooling
Capacity
MBH

090 = 7-1/2 Ton
120 = 10 Ton
150 = 12-1/2 Ton
180 = 15 Ton
240 = 20 Ton

Heat Type

C = Cooling Only

Nominal Heating
Capacity

00 = No Heat Installed

Airflow Options

A = None

Voltage

6 = 208/230-460-3-60

Installation Options

A = None

Additional Options

AA = None

Product Generation

1 = 1st Generation

2 = 2nd Generation

Summary of Contents for HF-07

Page 1: ...otes 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 INSTALLATION MANUAL CAUTION READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT SAVE THIS MANUAL 208 230 460 VOLT ONLY 208 230 460 VOLT ON...

Page 2: ... PORTS 12 INSTALLATION 12 EVACUATION AND CHARGING 14 ALTERNATE CHARGING METHODS 14 START UP 15 CRANKCASE HEATER 15 PRE START CHECK 15 INITIAL START UP 16 PHASING 16 OPERATION 16 UNIT OPERATION 7 1 2 16 SAFETY FEATURES 17 MAINTENANCE 17 CLEANING CONDENSER SURFACE 17 LUBRICATION 17 COMPRESSOR REPLACEMENT 17 LIST OF FIGURES Fig Pg 1 CENTER OF GRAVITY 6 2 TYPICAL RIGGING 6 3 FOUR POINT LOAD 7 4 UNIT D...

Page 3: ...Handling Unit Heat Pump A Product Identifier A R 22 Standard Efficiency 2 Pipe 120 Nominal Cooling Capacity MBH 090 7 1 2 Ton 120 10 Ton 150 12 1 2 Ton 180 15 Ton 240 20 Ton C Heat Type C Cooling Only 00 Nominal Heating Capacity 00 No Heat Installed A Airflow Options A None 6 Voltage 6 208 230 460 3 60 A Installation Options A None AA Additional Options AA None 1 Product Generation 1 1st Generatio...

Page 4: ...he following reference form 550 23 N1 1V Low Ambient Accessory Refer to Parts Manual for complete listing of replace ment parts on this equipment All forms may be ordered from Standard Register Toll Free Tel 877 318 9675 Toll Free Fax 877 379 7920 This instruction covers the installation and operation of the basic condensing unit For information on the installation and operation of the evaporator ...

Page 5: ...s can be channel iron beams or wooden beams treated to reduce deterioration A minimum of two 2 beams are required to support each unit The beams should 1 Be positioned per pendicular to the roof joists 2 Extend beyond the dimensions of the unit to distribute the load on the roof 3 Be capable of adequately supporting the entire unit weight Refer to Center of Gravity and Point Load Fig ures and Phys...

Page 6: ...han 5 feet See Figure 2 BEFORE LIFTING A UNIT MAKE SURE THAT ITS WEIGHT IS DISTRIBUTED EQUALLY ON THE STRAPS SO THAT IT WILL LIFT EVENLY LENGTH OF FORKS MUST BE A MINIMUM OF 42 for 7 1 2 ton units or a MINIMUM OF 54 for 10 ton units when lifting across the long dimension Remove the nesting brackets from the four corners on top of the unit All screws that are removed to take these brackets off must...

Page 7: ...t Access Cover 36 Rear 24 Left Side 30 Right Side 30 Do not permit overhanging structures or shrubs to obstruct condenser air discharge FIGURE 4 UNIT DIMENSIONS AND CLEARANCES AIR OUT AIR IN AIR OUT 2 3 4 32 2 1 4 32 1 2 70 1 2 8 3 4 5 3 8 CONTROL BOX ACCESS SERVICE PORT LOCATION 39 1 1 8 SUCTION LINE 5 8 OD LIQUID LINE 15 3 4 7 8 DIA CONTROL WIRING ENTRY COMPRESSOR AND CONDENSER FAN MOTOR ACCESS ...

Page 8: ...ng The field supplied disconnect switch must be suitable for an outdoor location Although it should be installed near the unit do NOT secure it to the unit cabinet Refer to Figure 5 for typical field wiring Scroll compressors operate in one direction only if a three phase scroll compressor is experiencing Low amperage draw Similar discharge and suction pressures Increased noise level then the comp...

Page 9: ...ORDANCE WITH ALL LOCAL AND NATIONAL ELECTRICAL CODES SIZ EPOW ERW IR IN G DIS CONNECTSW IT CH AND FUSIN GPERELECTIR IC AL DATATABLE NOTE SEE PN 036 13335 002 FOR APPLICABLE THERMOSTATS TABLE 3 ELECTRICAL DATA Model Voltage Code Compressor Condenser Fan Motor Unit Ampacity Amps Max Fuse Size Amps Power Supply RLA LRA Power Supply HP Qty FLA HF 07 2 208 230 3 60 25 6 190 208 230 1 60 3 4 2 3 0 38 1 ...

Page 10: ...g sight glass can be used to check for excess moisture in the system or used as a visual means to verify refrigerant charge LINE SIZING When sizing refrigerant lines for a split system air con ditioner check the following 1 Suction line pressure drop due to friction 2 Liquid line pressure drop due to friction 3 Suction line velocity for oil return and 4 Liquid line pressure drop due to static head...

Page 11: ...5 LIQUID LINES Model Designation Nominal Capacity Tons Refrigerant Flow Rate Lbs Min Type L Cop per Tubing Inches O D Pressure Drop Friction PSI 100 Ft Vertical Rise PSI Ft HF 0 7 1 2 22 1 2 5 8 11 0 3 5 0 5 Based on Refrigerant 22 at the nominal capacity of the condensing unit a suction temperature of 40 F and a liquid temperature of 105 F The total pressure drop of the liquid line for both frict...

Page 12: ...supply of dry nitrogen to this access port NOTE The filter drier should be installed in the liquid line as close to the evaporator coil as possible Do not allow the filter drier to be exposed to the atmosphere for an extended period of time Once it absorbs moisture from the atmo sphere it loses its effectiveness 3 The matched air handlers are shipped with a small R 22 charge and they should be che...

Page 13: ...ine to the condensing unit 1 Move the dry nitrogen supply to the access port on the suction service valve of the condensing unit 2 Burnish the external surfaces and clean the inter nal surfaces of both the suction connection and the suction piping The suction line can now be brazed to the suction con nection on the condensing unit while maintaining the flow of dry nitrogen After the liquid and suc...

Page 14: ...rts after the system has been charged ALTERNATE CHARGING METHODS If you are starting a unit when the ambient temperature is higher or lower than those shown in Figure 7 either of the following methods may be used Method 1 Determine the total weight of the refrigerant for the total system by adding the required charge for the outdoor unit the indoor unit and the refrigerant lines using information ...

Page 15: ...unit tools construction or shipping materials etc 3 Have the condenser fans been rotated manually to check for free rotation 4 Are all wiring connections tight 5 Does the available power supply agree with the nameplate data on the unit 6 Is the control circuit transformer set for the proper voltage 7 Have the fuses disconnect switch and power wire been sized properly 8 Are all compressor hold down...

Page 16: ...ctor 1M and 2M on the 208 230 volt models Condenser fan motor 1 is energized with the compressor Fan motor 2 operation is controlled through the Pressure Switch PS which will de energize the motor when the discharge pressure falls below 180 PSI The motor will be energized when the discharge pressure reaches 270 PSI 2 Safety Lockout The system controller SC has a lockout circuit to prevent compress...

Page 17: ...mpressor during an OFF cycle 4 All condenser fan motors and the secondary of every transformer is grounded 5 Every unit is protected by both a high and a low pressure control and these controls are self con tained Since they are mounted directly on the access connections and wired back to the control panel there are no capillary lines to be damaged MAINTENANCE CLEANING CONDENSER SURFACE Dirt shoul...

Page 18: ...035 18518 001 B 0703 18 Unitary Products Group ...

Page 19: ...035 18518 001 B 0703 Unitary Products Group 19 ...

Page 20: ...to change without notice Printed in U S A 035 18518 001 B 0703 Copyright by Unitary Products Group 2003 All rights reserved Supersedes 035 18518 001 A 0902 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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