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Reach-In
Unit Coolers
H-IM-77D
June, 2006
Part No. 25005601
(Replaces.H-IM-77C,.February,.2005)
Installation and
Operation Manual
Table of Contents
Inspection.................................................................................. 2
Installation................................................................................. 2
Expansion.Valve....................................................................... 2
Drain.Line................................................................................... 2
Motors......................................................................................... 2
Wiring.......................................................................................... 2
Maintenance............................................................................. 2
Electric.Defrost.Troubleshooting. . ..................................... 2
Thin.Profile.Air.Defrost.Unit.Cooler. . ................................. 3
Thin.Profile.Electric.Defrost.Unit.Cooler. . .................... 4-6
Extended.Thin.Profile.Unit.Cooler.................................7,.8
V.Profile.Unit.Cooler............................................................... 9
High.Profile.Unit.Cooler......................................................10
Std..&.Rev..Air.Flow.Wall.Mullion.Unit.Cooler. . ............11
Wall.Mount.Back.Bar.Unit.Cooler. . ............................12,.13
Dual.Aire.Unit.Cooler...........................................................14
Twin.Flow.Air.Defrost.Unit.Cooler...................................15
InterLink™.Replacement.Parts..........................................16
© 2006, Heatcraft Refrigeration Products LLC
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Summary of Contents for Heatcraft Refrigeration Products H-IM-77D
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Page 1: Table Of Contents
Expansion.Valve... 2 Drain.Line... 2 Motors... 2 Wiring... 2 Maintenance... 2 Electric.Defrost.Troubleshooting..2 Thin.Profile.Air.Defrost.Unit.Cooler..3 Thin.Profile.Electric.Defrost.Unit.Cooler..4-6 Extended.Thin.Profile.Unit.Cooler...7,.8 V.Profile.Unit.Cooler... 9 High.Profile.Unit.Cooler...10 Std..&.Rev..Air.Flow.Wall.Mullion.Unit.Cooler..11 Wall.Mount.Back.Bar.Unit.Cooler..12,.13 Dual.Aire.Unit.Cooler...14 Twin.Flow.Air.Defrost.Unit.Cooler...15 InterLink™.Replacement.Parts...16 © 2006, Heatcraft Refrigeration Products LLC... -
Page 2: Inspection
To.set.the.time,.turn.the.minute.hand.clockwise.until.the.time.of.day.(and. AM.or.PM).on.the.outer.dial.is.aligned.with.the.triangle.marker.on.the. inner.dial..Do.not.rotate.minute.hand.counter-clockwise..Move.the.white. tab.(tripper).on.the.outer.dial.outward.at.each.desired.initiation.time.. Each.white.tab.(tripper).is.a.15.minute.interval.and.provides.15.minutes. of.defrost..For.longer.defrost.duration,.move.additional.tabs.(following.in. time).from.the.initiation.tab..For.example,.if.a.45.minute.defrost.is.to.start. at.7:00.AM,.move.the.tabs.outward.that.lie.between.7:00.-.7:15,.7:15.-.7:30. and.7:30.-.7:45.on.the.AM.side.of.the.dial..The.defrost.will.initiate.at.7:00. AM.and.time.terminate.at.7:45.AM.(if.temperature.termination.does.not. occur.first). Fan Motor If.the.motor.does.not.operate.or.it.cycles.on.thermal.overload,.remove. motor.leads.from.terminal.block.and.apply.correct.voltage.across.the. leads...If.motor.still.does.not.operate.satisfactorily,.it.must.be.replaced... Before.starting.the.unit,.rotate.fan.blades.to.make.sure.they.turn.freely. and.have.sufficient.clearance. Fan Delay & Defrost Termination Control This.control.is.a.single.pole.double.throw.switch...The.red.lead.wire. is.wired.to.common...The.black.wire.is.wired.in.series.with.the.fan. motors...The.brown.wire.is.wired.in.series.with.the.defrost.termination. solenoid.in.the.timer...The.brown.and.red.contacts.close.and.the.black. and.red.contacts.open.when.the.temperature.is.above.55 and.red.contacts.close.and.the.brown.and.red.contacts.open.when.the. temperature.is.below.35 º On.initial.“pull.down”.of.a.warm.box.the.fan.will.not.start.until.the.coil. temperature.reaches.approximately.35 F...If.the.box.is.still.comparatively. º warm.(60 F).when.the.fan.starts,.then.blowing.this.warm.air.over.the.coil. º may.cause.it.to.warm.up.to.55 F.and.thus.stop.the.fan...Therefore,.the.fan. -
Page 3: Thin.profile.air.defrost.unit.cooler
A. and. B. given. in. Dimensional. Data. After. unpacking. the. unit,. remove. the. fan. panel. and. arrange. the. rear. brackets. as. shown. in. the. drawing.. Insert. the. screws. for. mounting. the. rear. brackets. into. the. top. of. the. cooler. -
Page 4: Thin.profile.electric.defrost.unit.cooler
This.unit.cooler.is.designed.for.mounting.from.the.top.of.the.cooler..Drill.holes.for.screws.in.accordance.with.mounting.dimensions. given. in. Dimensional. Diagram. and. Data. After. unpacking. the. unit,. remove. the. fan. panel. and. arrange. the. rear. brackets. as. shown. in. the. drawing.. Insert. the. screws. for. mounting.the.rear.brackets.into.the.top.of.the.cooler.cabinet..Slip.the.rear.brackets,.attached.to.the.unit,.between.the.screw.head. and. cabinet. and. secure. in. place.. Install. the. front. mounting. screws.. For. proper. drainage,. the. unit. should. be. installed. level. -
Page 5: Sequence Of Operation
Step “A” - Normal Refrigeration Cycle 1.. Power.is.supplied.to.N.and.4.terminals.by.the.timer. 2.. The.fan.delay.and.defrost.termination.thermostat.is.closed.in.the.. fan.delay.position.and.open.in.the.defrost.termination.position. 3.. The.defrost.heater.is.off. 4.. The.compressor.operates.in.accordance.with.the.demands.of.the.. refrigeration.system.temperature.and/or.pressure.controls. 5.. The.unit.cooler.fan.operates.continually. 6.. Frost.builds.up.slowly.on.the.evaporator. Step “B” - Defrost Cycle 1.. Defrosting.of.the.evaporator.is.started.automatically.by.the.timer.. at.predetermined.times.-.typical.settings.of.the.timer.would.be.1.to. . 3.defrost.periods.per.24.hours. 2.. The.timer.mechanically.opens.switch.“A”.which.breaks.the.circuit.to.. the.compressor.and.evaporator.fan.motors,.thereby.shutting.them.. off,.and.closes.switch.“B, ” .thereby.permitting.current.to.flow.to.. the.heater. 3.. The.heater.recessed.in.slots,.gives.up.heat.directly.to.the.fins.of.the.. evaporator...This.heat.raises.coil.and.refrigerant.temperature... - Page 6 Typical System Wiring Diagram with Thin Profile Electric Defrost Unit Cooler...
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Page 7: Extended.thin.profile.unit.cooler
Extended Thin Profile Unit Cooler NOMENCLATURE LT A 053 A A Extended Thin Profile Vintage Unit Cooler A = Air Defrost A = 115-1-60 L = Electric Defrost B = 208/20-1-60 Size Dimensional Diagram Dimensional Data Electric Number Defrost Defrost Fans Inches 49 /8... - Page 8 Extended Thin Profile Unit Cooler (continued) Commercial Refrigeration Parts Motor / Fan Blade / Fan Guard Part # Description 25315501 Motor 115/1/60 Shaded Pole 25315601 Motor 208-230/1/60 Shaded Pole 22919001 Fan Blade 10” 23105001 Fan Guard - Wire 23105101 Motor Mount Defrost Heater Part # Description 24723002 Defrost Heater 1100W 230V 208-230/1/60 24723003 Defrost Heater 1650W 230V 208-230/1/60 24723004 Defrost Heater 2200W 230V 208-230/1/60...
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Page 9: V.profile.unit.cooler
1700 Commercial Refrigeration Parts Replacement Parts V Profile Models Description 06, 08, 12 115V Motor 2500701 250201 208/20V Motor 2500801 25001 Fan Blade 5101B 2100201 Fan Guard 5054D H5028 Motor Mount 91179001 2101401 Vintage A = 115-1-60 B = 208/20-1-60 Size 20°F. -
Page 10: High.profile.unit.cooler
450 4500 EFVE-1/2C 6450 Commercial Refrigeration Parts Replacement Parts Description 115V Motor 208/20V Motor Fan Blade Fan Guard Motor Mount FOR FOOD SERVICE INSTALLATIONS . . . seal any joint between unit cooler and cooler liner with a sealant listed by the National... -
Page 11: Std
Commercial Refrigeration Parts Replacement Parts Part Description 115V Motor 208/20V Motor Fan Blade Fan Guard (1-17) Fan Guard (2) Motor Mount Drain Pan (1-17) Drain Pan (2) FOR FOOD SERVICE INSTALLATIONS . . . seal any joint between unit cooler and... -
Page 12: Wall.mount.back.bar.unit.cooler
National Sanitation Foundation, Standard 51 Approx. Ship Wt. (Lbs.) Sporlan Commercial Refrigeration Parts Replacement Parts EFS-1/8Z EFS-1/6Z Description All Sizes Part No. 115V Motor 2500701 208/20V Motor 2500801 Fan Blade 5101B Sporlan Fan Guard 5054D Motor Mount 91179001 EFV-1/5C... - Page 13 Air Defrost Wiring, Model BBM Electric Defrost Wiring, Model BBL...
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Page 14: Dual.aire.unit.cooler
Commercial Refrigeration Parts Replacement Parts 20°F.Sat..Suction.Temp. Description ..R-22 Alco Sporlan Drain Pan Valve Drip Pan HFS-1/4HC EFV-1/5C Fan Panel Motor (115/1) (208-20/1) Top Panel Fan (115/1) (208-20/1) Motor Mount *Optionally available are molded harness for motor connection in the following lengths: Approx. -
Page 15: Twin.flow.air.defrost.unit.cooler
Twin Flow Air Defrost Unit Cooler NOMENCLATURE BTO K 13 A G Vintage Twin Flow A = 115-1-60 K = Coated coil B = 208/20-1-60 Size Dimensional Diagram Dimensional Data Twin Flow Model NOTE: All units have 1/2 I.D. suction, 1/2 O.D. sweat inlet connection and 1/2 O.D. drain. Expansion Valve Recommendations 25°F. -
Page 16: Interlink™.Replacement.parts
InterLink.is.your.one-source.supplier.for.a.complete.line.of.dependable.and.certified. commercial.refrigeration.parts,.accessories.and.electronic.controls..Every.product.is.built.to. ensure.the.same.high.performance.standards.with.which.all.HRP.brands.are.built,.delivered. at.the.best.lead.times.in.the.industry.and.backed.by.a.dedicated.team.to.serve.every. customer.need.. Commercial Refrigeration Parts For.more.information,.call.800-686-7278.or.visit.www.interlinkparts.com. NOTE:.Always give complete model numbers and serial numbers when ordering parts. Since.product.improvement.is.a.continuing.effort, we.reserve.the.right.to.make.changes.in.specifications.without.notice. The name behind the brands you trust. CLIMATE CONTROL Commercial Refrigeration Parts ® H-IM-77D.|.Version.001...