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York E1FB240 manual

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Table of contents for the manual

  • Page 1

    GENERAL The outdoor units are completely piped and wired at the fac- tory and are shipped ready for immediate installation. Only the interconnecting liquid and suction lines, sight glasses, control wiring, and the main power wiring are required to complete the installation. Every unit is dehydrated, evacu - ated, leak tested and pressure tested at [...]

  • Page 2

    2 Unitary Products Group 035-16192-001-A-1001 E 1 F B 2 5 8 A PRODUCT NOMENCLATURE PRODUCT GENERATION 1 = First Generation PRODUCT CA TEGOR Y E = S plit-System Heat Pump Outdoor Unit PRODUCT IDENTIFIER FB = Outdoor Unit VOL TAGE CODE 25 = 208/230-3-60 46 = 460-3-60 NOMINAL COOLING CAP ACITY 180 = 15 T on 240 = 20 T on F ACTOR Y INST ALLED HEA T A =[...]

  • Page 3

    LIMIT ATIONS These units must be installed in accordance with all national and local safety codes. If no local codes apply , installation must conform with the appropriate national codes. See T able 1 for unit application data. Units are designed to meet National Safety Code S tandards. If components are to be added to a unit to meet local codes, t[...]

  • Page 4

    CAUTION: LENGTH OF FORKS MUST BE A MINIMUM OF 54" (when lifting from the compressor end of the unit) and a MINIMUM OF 42" (when lifting from the front or rear of the unit). Remove the nesting brackets from the four corners on top of the unit. All screws that are removed to take these brackets of f must be replaced on the unit. CLEARANCES [...]

  • Page 5

    Unitary Products Group 5 035-16192-001-A-1001 INDOOR UNIT OUTDOOR UNIT TERMINALS ON HEAT PUMP TH ERMOSTAT 1 1 Control wiring (24-v olt) refe r to elect rical d ata to deter mine th e prope r wire s ize. T ABLE 3 - ELECTRICAL DA T A 1 Maximum fuse or maximum circuit breaker (HACR type per NEC). 2 Based on three 75°C insulated copper conductors in c[...]

  • Page 6

    6 Unitary Products Group 035-16192-001-A-1001 All dimensions are in inches. They are subject to change without notice. Certified dimensions will be provided upon request. CLEARANCES Overhead (T op) 1 120" Front (Piping and Access Panels) 30" Left Side 24" Right Side 24" Rear 24" Bottom 2 0" 1 Units must be installed ou[...]

  • Page 7

    and/or drafts. Circulation of air to the thermost at should not be blocked by curtains, drapes, furniture, partitions, etc. Some installations may require a locking cover to protect the thermostat from tampering and/or damage. Both the manual and the auto changeover thermostats have non-adjustable, voltage-type anticip ators for both cooling and he[...]

  • Page 8

    3. T urn the stem in (or clockwise) between 1/4 and 1/2 turn to open the access port. As soon as some internal pressure is relieved, close the ac- cess port. DO NOT remove the entire holding charge. NOTE: The copper disc on the liquid connection will prevent any internal pressure from being relieved through the main port of the liquid line stop val[...]

  • Page 9

    4. After the disc has been removed, burnish the external sur - faces and clean the internal surfaces as outlined above. 5. Move the dry nitrogen supply back to the access port on the liquid line service valve. 6. Braze the liquid line to the liquid connection on the indoor unit while maintaining a minimum flow of dry nitrogen through the liquid lin[...]

  • Page 10

    10 Unitary Products Group 035-16192-001-A-1001 FIG . 5 - EXTENDING THE SERVICE POR TS ALTERNA TE CHARGING METHODS If you are starting a unit when the ambient temperature is higher or lower than those shown in Figures 7 through 15, either of the following methods may be used. Method 1: Determine the total weight of the refrigerant for the total syst[...]

  • Page 11

    GENERAL During the cooling cycle, when the reversing valve solenoids becomes energized, operation will be the same as any conven - tional air conditioning system. During the heating cycle, when the reversing valve solenoids becomes de-energized, compressor discharge gas will be di - verted to the indoor coil and the outdoor coil will become the eva[...]

  • Page 12

    through the defrost control boards and safety switches to energize relays RY1 and R Y2, which in turn will energize contactors 1M & 3M, starting the compressors. Contactors 2M and 4M are energized through the NO contact s on auxil - iary contactors 1M-AUX and 3M-AUX in order to start the outdoor fan motors. 4. Relays RY1 and R Y2 prevent the el[...]

  • Page 13

    OPERATION BELOW 0 ° F OUTDOOR TEMPERA - TURE 1. At 0 ° F outdoor temperature, the low temperature compres - sor cutoff thermost at TH1 and TH3 contacts 1 and 3 will open, de-energizing contactor 1M and 3M which shuts down the compressor . Contacts 1 and 2 of thermostat TH1 and TH3 are closed when contacts 1 and 3 are open. This feature allows the[...]

  • Page 14

    CRANKCASE HEA TER The crankcase heaters must be energized at least 8 hours bef - ore starting the compressor . T o energize the crankcase heat - ers, the main disconnect switch must be closed. During this 8 hour period, the system switch on the room thermostat must be “OFF” to prevent the compressor from starting. CAUTION: DO NOT A TTEMPT TO ST[...]

  • Page 15

    Unitary Products Group 15 035-16192-001-A-1001 150 200 250 300 350 400 50 60 70 80 90 S u c t i o n P r essu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 115 °F 105 °F 95 °F 85 °F 75 °F ODDB 150 200 250 300 350 400 450 50 60 70 80 90 S u c t i o n P ressu re ( p si g ) D i sc h a rg e P r essu re ( p si g ) 115 °F 105 °F 95 °F 85 °F[...]

  • Page 16

    16 Unitary Products Group 035-16192-001-A-1001 FIG . 9 - HEA TING MODE CHARGING CHART A T 4800 CFM - EFB180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 S u c t i o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG . 10 - HEA TING MODE CHARGING CHART A T 6000 CFM - EFB180A 50 100 150 200 250 300 350[...]

  • Page 17

    Unitary Products Group 17 035-16192-001-A-1001 FIG . 1 1 - HEA TING MODE CHARGING CHART A T 6600 CFM - EFB180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 S u c ti o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG . 12 - HEA TING MODE CHARGING CHART A T 6400 CFM - EFB240A 50 100 150 200 250 300 35[...]

  • Page 18

    18 Unitary Products Group 035-16192-001-A-1001 FIG . 13 - HEA TING MODE CHARGING CHART A T 7000 CFM - EFB240A 50 100 150 200 250 300 350 30 40 50 60 70 80 90 S u c t i o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG . 14 - HEA TING MODE CHARGING CHART A T 7600 CFM - EFB240A 50 100 150 200 250 300 350 40[...]

  • Page 19

    NOTES Unitary Products Group 19 035-16192-001-A-1001[...]

  • Page 20

    Unitary Products Group 5005 Y ork Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A Copyright  by Y ork International Corporation 2001. All Rights Reserved. Code: SBY 035-16192-001-A-1001 Supersedes: 035-16192-000 (0601)[...]