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York E4FH018, Installation Instructions Manual

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York E4FH018 Installation Instructions Manual Download Page 16

515.28-N3Y

Heating and Air Conditioning

Unitary Products Group
5005 York Drive, Norman, Oklahoma 73069
Subject to change without notice. Printed in U.S.A.
Copyright

 ©

 by Unitary Products Group 1999. All rights reserved.

Supersedes: 515.28 - N2Y (1196) 

515.28-N3Y (1299)

NOTES:

Summary of Contents for E4FH018

Page 1: ...ECTRICAL CONNECTIONS 7 GENERAL INFORMATION GROUNDING 7 POWER WIRING 7 ACCESSORY WIRING 7 THERMOSTAT MOUNTING WIRING 7 EVACUATION 8 SYSTEM CHARGE 8 REFRIGERANT LINE CHARGES 9 MEASUREMEN T METHOD 9 SUPE...

Page 2: ...sonal injury and or equipment damage may result if installation pro cedures are not handled properly INSPECTION As soon as a unit is received it should be inspected for possi ble damage during transit...

Page 3: ...nsate will drain from beneath the coil of the outdoor unit during the defrost cycle Normally this condensate may be allowed to drain directly on the ground Elevate the unit sufficiently to prevent any...

Page 4: ...ths up to 15 feet See Application Data Form 690 01 AD1V for installing tubing of longer lengths and elevation differences NOTE Using a larger than specified line size could result in oil return proble...

Page 5: ...ened by removing the plunger cap and fully inserting a hex wrench into the stem and backing out counter clockwise until valve stem just touches retaining ring Replace plunger cap finger tight then tig...

Page 6: ...See Precautions Dur ing Brazing Angle Valves on page 6 11 If the refrigerant tubing indoor evaporator coil or outdoor condensing unit has developed a leak during shipment or was for any other reason o...

Page 7: ...ram and schematic wiring label is located on the inside surface of the unit electrical box cover and this instruction POWER WIRING 1 Install the proper size weatherproof disconnect switch outdoors and...

Page 8: ...ped a leak during shipment or was for any other rea son opened to the atmosphere If a leak is suspected leak test to locate the leak Repair the leak and test again To verify if the system has no leaks...

Page 9: ...between 40 and 60 inch lbs maximum Superheat Charging Method NOTE Use this method only during system maintenace and repair 1 Operate system until temperatures and pressures stabi lize minimum of 10 m...

Page 10: ...the test terminals on Yorkguard V terminal block for 3 seconds and releasing The lights will flash the code separated by a pause indi cating the failure mode shown in Table 3 8 To restore operation af...

Page 11: ...ow the cut off point the compressor operation cannot be justified due to small amount of heat generated 2 YORKGUARD senses this and performs the following functions a De energizes compressor circuit b...

Page 12: ...F for a continuous 3 minutes YORKGUARD V de energizes the fan relay and reversing valve relay to return unit to normal heating cycle INDICATIONS OF PROPER OPERATION COOLING Cooling operation is the s...

Page 13: ...motor is permanently lubricated and does not require periodic oiling 3 If the coil needs to be cleaned it should be washed with Calgon Coilclean mix one part Coilclean to seven parts water Allow solut...

Page 14: ...27 26 25 23 Evaporator Entering Air F Table 5 Temperature and Pressure SUCTION PRES SURE PSIG Service Port SUCTION SERVICE VALVE SUPERHEAT 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 61 5 35 37 3...

Page 15: ...35 108 220 02 49 82 389 64 109 26 79 141 30 94 179 06 109 223 17 50 84 03 65 111 23 80 143 63 95 181 80 110 226 35 51 85 69 66 113 22 81 145 99 96 184 56 111 229 56 52 87 38 67 115 24 82 148 37 97 18...

Page 16: ...ditioning Unitary Products Group 5005 York Drive Norman Oklahoma 73069 Subject to change without notice Printed in U S A Copyright by Unitary Products Group 1999 All rights reserved Supersedes 515 28...

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