Henny Penny BCF-24/65/110 User manual

Model BCF-24/65/110, BCM-110
SECTION2. MAINTENANCE
2-1. INTRODUCTION Thissectionprovidesprocedures forthe checkoutand replacement
ofthevariousparts usedwithintheblast chiller/freezer. Before
replacinganyparts, refertotheTroubleshootingSection. It
willaidyouindeterminingthecauseofthemalfunction.
2-2. MAINTENANCE HINTS 1. Youmaywant touse amultimeterto checktheelectric
components.
2. When the manual refers to the circuit being closed, the
multimeter should read zero unless otherwise noted.
3. When the manual refers to the circuit being open, the multi-
meterreadsinfinity.
2-3. COMPRESSOR, DRIER, Thesepartsinvolvemanipulatingtherefrigerantinthesystem.
EXPANSION VALVE, Anyremoval oradjustments tothese partsmust behandled bya
SIGHT GLASS,AND certifiedrefrigerationexpert.
CONDENSER FAN
2-4. DISPLAYBOARDAND 1. Removetheelectrical powertothe unit.
AUXILIARYDISPLAY
BOARD
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Using aPhillipshead screwdriver,removethe twoscrews
securingthefront panel,andlowerthe panel.
3. Pull the connector from the corner of the display board.
4. Using a flathead screwdriver, remove the screws securing
the bracket to the panel, and pull the bracket from the panel.
5. Using a flathead screwdriver, push in on the clips on the
plastic studs and pull the studs through the bracket. Remove
the display board from the bracket.
6. Install the new board in reverse order.
603 2-1

Model BCF-24/65/110, BCM-110
2-5. CONTROLBOARD 1. Remove theelectricalpower totheunit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Using aPhillipshead screwdriver,removethe twoscrews
securingthefront panel,andlowerthe panel.
3. Remove thetwobolts (underunit)securing thecontrolbox.
4. Pull theboxfromthe frontoftheunit.
5. Remove thefour screwssecuring thecontrol boxtopand
pullthetop fromthe box.
6. Pull theconnectors fromthecontrol board.
7. Label andpull thewiresfrom thecontrol board.
8. Using aflatheadscrewdriver, pushinon theclipson the
plasticstuds and pullthe studsthrough thebracket. Remove
thecontrol boardfrom thebox.
9. Install thenew boardin reverseorder.
2-2 603

Model BCF-24/65/110, BCM-110
2-6. BUZZER 1. Remove theelectricalpower totheunit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Using a Phillips head screwdriver, remove the two screws
securing the front panel, and lower the panel.
3. Remove thetwobolts (underunit)securing thecontrolbox.
4. Pull the box from the front of the unit.
5. Remove thefour screwssecuring thecontrol boxtopand
pullthetop fromthe box.
6. Label and remove the wires to the buzzer.
7. Remove the two screws securing the buzzer to the bracket
and remove the buzzer from the bracket.
8. Install new buzzer in reverse order.
2-7. CONTACTOR 1. Removethe electricalpowerto theunit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Follow steps2 through5 inthe ControlBoard Section.
3. Using a flathead screwdriver, remove the two screws
securing the bracket to the box, and remove the bracket.
4. Label and remove the wires from the contactor.
5. Slide the contactor off the retainer.
6. Install new contactor in reverse order.
603 2-3

Model BCF-24/65/110, BCM-110
2-8. DOOR FRAME HEATER 1. Removetheelectrical powertothe unit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Remove the door to the unit by removing the screws in the
lower hinge of the door.
3. Remove the control box from the unit, following steps 2
through5in theControl BoardSection.
3. Remove the plastic tabs that secures the decorator covers
around the door opening, and remove the covers.
4. Peel theheater outof thegroove and disconnectthe wires
(insidecontrolbox) totheelement,and removetheelement
fromtheunit.
5. Install new heater in reverse order and press the plastic tabs
inplace tosecure thedecorator covers (tabsincluded withnew
heater).
2-9. EVAPORATORFAN 1. Removethe electricalpowerto the unit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnect maincircuitbreaker,
orunplug cordatwall receptacle.
2. Using aPhillipshead screwdriver,removethe twoscrews
securingthefan shroud,andpull outonthe shroud.
3. Using aPhillipshead screwdriver,removethe threescrews
securingthefan guard,andremove theguard.
4. Remove thecontrolboxfrom theunit,followingsteps2
through5in theControl BoardSection.
5. Disconnect thewires(inside controlbox)to thefan.
6. Remove thethree screwssecuring thefan tothe evaporator
door,andpullthe fanfromtheunit.
7. Install newfanin reverseorder.
2-4 205

Model BCF-24/65/110, BCM-110
2-10. AIR PROBEAND 1. Removetheelectrical powertothe unit.
EVAPORATOR PROBE
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Using a Phillips head screwdriver, remove the two screws
securingthe evaporatordoor,and pullout on thedoor.
3. Remove theappropriate probe from thebracket. (See photo
atleft).
4. Remove thecontrolboxfrom theunit,followingsteps2
through5in theControl BoardSection.
5. Find the appropriate wires to the PC board and remove the
wires from the board.
6. Pull the probe wire through the wiring harness.
7. Install newprobe inreverse order.
2-11. FRIGIPROBE 1. Remove theelectricalpower totheunit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Using a Phillips head screwdriver, remove the two screws
securingthe evaporatordoor,and pullout on thedoor.
3. Remove thecontrolboxfrom theunit,followingsteps2
through5in theControl BoardSection.
4. Find the appropriate wires to the PC board and remove the
wires from the board.
5. Pullthe probewirethroughthewiringharness.
6. Install new probe in reverse order.
603 2-5
Air Probe Evaporator
Probe
Frigiprobe

Model BCF-24/65/110, BCM-110
2-12. FUSEAND FUSE Ifthe unit hasno power, thefuse may beblown. Toaccess the
HOLDER fuse:
1. Remove the electrical power to the unit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Remove the two screws securing the front panel and pull
down the panel.
3. Unscrew the fuse cap and pull the 10 amp fuse from the
holder.
To check and replace the fuse holder:
1. Remove the two screws securing the front panel and pull
down the panel.
2. Remove the two bolts securing the control box and pull the
controlbox fromthe unit. (SeeControl BoardSection.)
3. Removethe fourscrews securing boxtop andremove the top.
4. Remove the wires from the fuse holder and check for conti-
nuityacrosstheterminals. The circuitshouldshowclosed.
Ifopen, replacefuse holder.
5. Reinstall the control box and front panel, and unit is now
ready for use.
2-13. CONDENSATION 1. Removeelectricalpower tounit andallow evaporatorto cool.
EVAPORATOR
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
Also, if evaporatoris functional,it will be veryhot! Allow
evaporatorto cool beforeremoving,orburns could result.
2-6 603
Fuse Holder

Model BCF-24/65/110, BCM-110
2-13. CONDENSATION 2. Bendout the clips securingthe rodentcover on theback of
EVAPORATOR (Continued) theunit,and pullthecover down.
3. Disconnect thewires tothe evaporator.
4. Pull upon thebottom ofthe evaporatorto disengagethe
evaporatorfrom the bracket. Theevaporator is snappedinto
place. Nohardware issecuring it.
5. Replace evaporatorin reverse order.
2-14. DOOR SEAL 1. Open doorand pull outon acorner of theseal untilseal
clears the retainer.
2. Continue aroundthedoor,pullingthe sealfromthe door.
3. Installnew seal,startingwiththefourcorners first.
603 2-7

Model BCF-24/65/110, BCM-110
2-15. RUN CAPACITOR 1. Remove theelectricalpower totheunit.
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Remove the two screws securing the front panel and pull
down the panel.
3. Bend out the clips securing the rodent cover on the back of
theunit,and pullthecover down.
4. Using a Phillips head screwdriver, remove the two screws
securing the cover of the junction box, and remove the cover.
5. Disconnect the wires from the relay to the capacitor.
6. Remove the capacitor from the unit, from the front.
7. Install new capacitor in reverse order.
2-16. STARTCAPACITORAND 1. Remove theelectricalpower totheunit.
STARTRELAY
Toavoid electrical shock orpropertydamage, move the
powerswitchto OFFanddisconnectmaincircuitbreaker,
orunplug cordatwall receptacle.
2. Bend outthe clipssecuring the rodentcover onthe backof
theunit,and pullthecover down.
3. Using aPhillipshead screwdriver,removethe twoscrews
securingthe cover ofthe junctionbox, andremove thecover.
(See section 2-12 above).
4. Disconnect thewires toeither therelay orthe capacitor, and
removecomponentfromtheunit.
5. Install newcomponentin reverseorder.
2-8 603
Run Capacitor
Start Relay Start Capacitor

Model BCF-24/65/110, BCM-110
2-17. PREVENTIVEMAINTENANCE Asinallfoodequipment,the HennyPennyBlast
Chiller/Freezerdoes requirecare andpropermainte-
nance. Thetable below provides a summaryof sched-
uledmaintenance.
Procedure Frequency
Cleanall surfaceswith asoft cloth,soap andwater; Daily
donot useabrasives
De-icethe evaporator Daily
Cleanthe condenserof dust andobstructions Monthly
603 2-9

Model BCF-24/65/110, BCM-110
Wiring Diagrams BCF/BCM-110
2-10 603

Model BCF-24/65/110, BCM-110
Wiring Diagram BCF-24/65
Refrigeration Diagram BCF-24/65
603 2-11

Model BCF-24/65/110, BCM-110
Refrigeration Diagram BCF/BCM-110-UL
Refrigeration Diagram BCF/BCM-110-Int’l.
2-12 603

Model BCF-24/65/110, BCM-110
Electrical/RefrigerationDiagram
603 2-13

Model BCF-24/65/110, BCM-110
Wiring Information of PC Board
2-14 603
1-3 POWER SUPPLY
2 COMPULSORYEARTHING CONNECTION
4-5 POWERSUPPLYOUTPUT FOR ELECTRIC HEATINGELEMENT FOR DE-ICING OF THE EVAPORATOR
(NOTUSED)
6-7 POWERSUPPLYOUTPUT FOR BUZZER SIGNAL
8-9 POWER SUPPLY OUTPUT TO FAN(S) AND FRONT FRAME HEATER (ANTI-FOGGING)
10-11 POWER SUPPLY OUTPUT TO COMPRESSOR UNIT
12-13 12VDCOUTPUT TO ALARM BUZZER (NOT USED)
14 DISPLAYINPUTS
15-19 FRIGIPROBE INPUTS (BLACK WIRE TO 15, WIRING UNIMPORTANT FOR OTHER COLORS)
20-21 0 TO 1 VOLT OUTPUT TOGRAPHIC RECORDER: (HOTTEST FRIGIPROBE TEMPERATURE,
NOTUSED)
22-23 EVAPORATORTEMPERATUREPROBEINPUTS
24-25 PHOTO-ELECTRICRESISTORINPUTS(NOT USED)
26-27 AIRTEMPERATUREPROBEINPUTS