Hoshizaki KM-340MAJ Service Manual Download

Page: 13 / 63

II. Sequence of Operation and Service Diagnosis

A. Sequence of Operation Flow Chart

1. Operation Flow Chart

chec

1 t

o 3-min.

har

vest timer

contr

ol (S4 dip s

witch

1 & 2)

Leg

end:

–bin contr

Comp

–compr

essor

–f

an mot

FMR

–f

an mot

-r

emot

–fl

oat s

witch

HGV

–hot g

as v

–liquid line v

–pump mot

–inlet w

er v

Components Ener

giz

ed when the Contr

ol S

witc

h is in the "W

SH" P

osition

The "W

SH" position on the contr

ol s

witch is used when cleaning and sanitizing the unit.

hen in the "W

SH" position, po

er is supplied

to the pump mot

. W

ith the cleaning v

ve closed, the cleaner and sanitiz

er fl

ow o

ver the outside of the e

vapor

or plat

e assemb

. W

ith the

cleaning v

ve open, the cleaner and sanitiz

er fl

ow o

ver both the outside and the inside of the e

vapor

or plat

e assemb

Not

Close the cleaning v

ve af

ter cleaning and sanitizing ar

e complet

e, otherwise the unit will not r

est

t when the contr

switch is placed in the "ICE" position.

Oper

ation Flo

w Char

-Min

Fill Cy

cle

ycl

eps

Har

vest Cy

cle

•

time:

6 min.

or the length of har

vest min

us 50 sec.

(S4 dip s

witch 7), whiche

ver is shor

ter

. Do not adjust S4

dip s

witch 7 out of the f

act

y position.

• Max.

har

vest time:

20 min.

Ther

mist

in contr

reez

e Cy

cle

• Min.

eez

e time:

5 min.

• Max.

eez

e time:

eez

e timer set

ting (S4 dip

switch 9 & 1

• F

reez

e-T

ime monit

ing f

or F

reez

e-T

ime

orr

ection st

ts at 2nd fr

eez

e c

ycle

in contr

ump-Out Cy

cle

• F

act

y set f

or e

ver

y 1

0th

cle

(S4 dip s

witch 5)

• P

ump mot

or st

ops f

sec., then r

ses f

10/20 sec.

(S4 dip s

witch 3 & 4)

ener

giz

open

Comp

ener

giz

FMR

ener

giz

HGV

ener

giz

ener

giz

Ther

mist

or t

emper

atur

e r

eaches

°F (9°C) (3.9

kΩ or less).

Har

vest

timer st

open

Comp

ener

giz

ener

giz

FMR

ener

giz

ener

giz

ener

giz

HGV

de-ener

giz

closed

Comp

ener

giz

FMR

ener

giz

HGV

ener

giz

de-ener

giz

es f

or 2 sec.,

then r

ses f

or 1

0/20 sec.

de-ener

giz

de-ener

giz

chec

Star

tup

is open, C

omp st

ops and c

ycle r

etur

ns t

1-Min.

ll.

5-min.

minim

eez

e timer in

contr

closed

opens or fr

eez

timer t

minat

50 sec.

ener

giz

de-ener

giz

Har

vest P

ump

Timer

Anti-Slush

Ther

mist

or t

emper

atur

reaches 36°F (2.2°C)

(5.8 kΩ).

de-ener

giz

ed f

10 sec.

eez

Time Dif

fer

ential Ex

ceeded.

Initiat

e F

reez

e-Time Cor

rection Cy

cle

See "II.A.3.

reez

e-Time Cor

rection Cy

cle

Summary of Contents for KM-340MAJ

Page 1: ...Models KM 340MAJ MWJ KM 515MAJ MWJ MRJ KM 650MAJ MWJ MRJ Modular Crescent Cuber Service Manual Number 73220 Issued 12 18 2017 Revised 5 13 2021 hoshizakiamerica com ...

Page 2: ...improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the appliance Should the reader have any questions or concerns which have not been satisfactorily addressed please call send an e mail message or write to the Hoshizaki Technical Support Department for assistance Phone 1 800 233 1940 770 487 2331 Fa...

Page 3: ...Correction Cycle 90 min 23 D Control Board Check 25 E Bin Control Check 26 1 Bin Control Check 26 2 Bin Control Cleaning 27 F Float Switch Check and Cleaning 28 1 Float Switch Check 28 2 Float Switch Cleaning 29 G Thermistor Check 30 H Control Switch 30 I Diagnostic Tables 31 J Freeze Up Check List 35 III Controls and Adjustments 36 A Control Board Layout 37 B LED Lights and Audible Alarm Safeties...

Page 4: ...r S5 dip switch 2 and 3 43 11 Minimum Harvest Time S5 dip switch 4 44 12 Anti Slush S5 dip switch 5 44 IV Refrigeration Circuit and Component Service Information 45 A Refrigeration Circuit Service Information 45 B Component Service Information 48 C Water Regulating Valve Adjustment water cooled model 49 V Maintenance 50 VI Preparing the Appliance for Periods of Non Use 51 VII Disposal 53 VIII Tech...

Page 5: ...pplicable national state and local codes and regulations Electrical connection must be hard wired and must meet national state and local electrical code requirements Failure to meet these code requirements could result in death electric shock serious injury fire or severe damage to equipment The icemaker requires an independent power supply of proper capacity See the nameplate for electrical speci...

Page 6: ...he icemaker control switch to the OFF position and turn off the power supply to the icemaker before servicing the remote condenser unit Lockout Tagout to prevent the power supply from being turned back on inadvertently NOTICE Follow the instructions in this manual carefully to reduce the risk of costly water damage In areas where water damage is a concern install in a contained area with a floor d...

Page 7: ...AJ Model Shown KM 340MAJ Water Supply Inlet Condenser Drier Control Box Spray Tubes Control Switch Water Pump Float Switch Compressor Thermostatic Expansion Valve Fan Motor Hot Gas Valve Cleaning Valve Bin Control and Bracket Inlet Water Valve High Pressure Switch Splash Guard Check Valve water ...

Page 8: ...Spray Tubes Control Switch Water Pump Float Switch Compressor Thermostatic Expansion Valve Water Regulating Valve Hot Gas Valve Cleaning Valve Model Shown KM 515MWJ Inlet Water Valve Liquid Line Valve High Pressure Switch Bin Control and Bracket Check Valve water Splash Guard ...

Page 9: ...ontrol Switch Water Pump Float Switch Compressor Thermostatic Expansion Valve Hot Gas Valve Liquid Line Valve Cleaning Valve Model Shown KM 650MRJ Inlet Water Valve Crankcase Heater Stainer Check Valve water High Pressure Switch Evaporator Bin Control and Bracket Control Box Splash Guard ...

Page 10: ...ermostatic Expansion Valve Compressor Hot Gas Valve High Pressure Switch Strainer Fan Drier Condenser Evaporator Discharge Line Suction Line Water Pump Thermistor Spray Tubes Inlet Water Valve Freeze Pump Out Water Tank Refrigeration Circuit Water Circuit Heat Exchanger Liquid Line Valve KM 515MAJ and KM 650MAJ ...

Page 11: ...nsion Valve Compressor Hot Gas Valve High Pressure Switch Strainer Drier Condenser Evaporator Discharge Line Suction Line Water Pump Thermistor Spray Tubes Inlet Water Valve Freeze Pump Out Water Tank Refrigeration Circuit Water Circuit Heat Exchanger Liquid Line Valve Water Regulating Valve ...

Page 12: ...e High Pressure Switch Strainer Fan Drier Condenser Evaporator Discharge Line Suction Line Water Pump Thermistor Spray Tubes Inlet Water Valve Freeze Pump Out Water Tank Refrigeration Circuit Water Circuit Liquid Line Valve Receiver Access Valve Headmaster C P R Thermostatic Expansion Valve Heat Exchanger ...

Page 13: ...s 50 sec S4 dip switch 7 whichever is shorter Do not adjust S4 dip switch 7 out of the factory position Max harvest time 20 min Thermistor in control 3 Freeze Cycle Min freeze time 5 min Max freeze time freeze timer setting S4 dip switch 9 10 Freeze Time monitoring for Freeze Time Correction starts at 2nd freeze cycle FS in control 4 Pump Out Cycle Factory set for every 10th cycle S4 dip switch 5 ...

Page 14: ...erminates Otherwise at the end of the next harvest cycle Shutdown and Restart BC Operation BC open BC actuator paddle engaged Green BC CLOSED LED off Yellow BC OPEN LED on Yellow BC OPEN LED continues All components de energized 2 Icemaker Off All components de energized 3 Ice Level Lowered Icemaker starts at 1 1 Minute Fill Cycle BC closed BC actuator paddle disengaged Green BC CLOSED LED on Yell...

Page 15: ...ry freeze cycle time after the third freeze cycle time is added to the minimum maximum calculation Example After 8 cycles if the differential between the shortest cycle minimum and the longest cycle maximum is equal to or greater than 427 sec a freeze time correction cycle is initiated Number of Freeze Cycles Differential Value in Sec 3 254 4 309 5 349 6 380 7 406 8 427 9 446 10 462 Note When 1st ...

Page 16: ...service The diagnostic procedure is a sequence check that allows you to diagnose the electrical system and components Before proceeding check for correct installation proper voltage per nameplate and adequate water supply Check CB using the steps in II D Control Board Check Check dip switch settings to assure that S4 dip switches and S5 dip switches 1 through 5 are in the factory default position ...

Page 17: ...n HPS BK to neutral W If 115VAC is present at HPS P and not at HPS BK HPS is open See HPS Diagnosis below If 115VAC is present at HPS BK check for 10 5VAC at CB K2 1 red wire to CB K2 2 red wire If 10 5VAC is not present check that the cleaning valve is closed and the interlock switch is closed Next check CT continuity If open replace CT b HPS Diagnosis Check that the condenser coil is not clogged...

Page 18: ... timer S4 dip switch 1 2 and S5 dip switch 4 WV and X11 relay are energized during harvest for a maximum of 6 min or the length of harvest minus HPT setting S4 dip switch 6 whichever is shorter See step 5b below a Comp Diagnosis Check that evaporator is warming If not confirm that Comp energizes If not check for 115VAC at CB K1 1 or 9 V to neutral W If 115VAC is not present check for 115VAC at CB ...

Page 19: ...10 relay If 115VAC is present on X10 relay terminal 4 R check control switch contact continuity between terminals 4 R and 5 W R If contacts are open replace control switch If contacts are closed and 115VAC is present between control switch terminal 5 W R and neutral W check PM capacitor and motor winding continuity 5c Initial Harvest Cycle Termination Diagnosis When the thermistor reaches 48 F 9 C...

Page 20: ...not present check icemaker wiring connections If 115VAC is present check for voltage at condenser unit If 115VAC is not present check field wiring connections If 115VAC is present check FMR capacitor motor winding and fan blade for binding c WV and HGV Diagnosis If WV is energized check for 115VAC at CB K1 6 O to neutral W If 115VAC is present after PM energizes in harvest cycle replace CB If 115V...

Page 21: ...FS removed but would previously not switch out of freeze with FS connected long freeze 3 beep alarm see II F Float Switch Check and Cleaning Note Normal freeze cycle will last 20 to 40 min depending on model and conditions Cycle times and pressures should follow performance data provided in this manual See VIII A Specification and Performance Data Sheets i Short Freeze Cycle Diagnosis Confirm wate...

Page 22: ...VAC is present on X10 terminal 2 DBU and PM is not energized check for 115VAC at X12 terminal 6 DBU to neutral W and X12 terminal 4 DBU to neutral W If 115VAC is present on X12 terminal 6 DBU and not on X12 terminal 4 DBU check for 115VAC at X12 terminal 7 P to X12 terminal 8 W If 115VAC is not present check CB K1 pin 2 P wiring for loose connection If 115VAC is present and X12 is not energized ch...

Page 23: ... POWER OK LED Appliance starts in freeze cycle after a freeze time correction cycle To reset CB LEDs press ALARM RESET button on CB with power on CB resets LEDs and appliance continues cycle without interruption 1 Freeze Time Differential Initiation CB starts monitoring freeze times on the second freeze time After 3 freeze cycles 4th total CB begins to compare minimum and maximum freeze time cycle...

Page 24: ...e energize WV continues 2b 10 Min Fill CB LED 4 on and WV energized 10 min timer starts 2c Final 10 Min Harvest Pump Time Harvest Assist with WV CB POWER OK LED blinking Once 10 min timer terminates CB LEDs 1 4 3 and 2 are on and Comp FMR HGV and PM energizes WV continues 10 min timer starts Once 10 min timer terminates normal freeze cycle begins CB LED 1 on and Comp FMR and PM continue HGV and WV...

Page 25: ...nput If the secondary circuit has proper voltage and the red LED is off replace CB If the secondary circuit does not have proper voltage check CT primary circuit Check for 115VAC at CB K1 connector pin 10 BR to neutral W for 115VAC Always choose a white W neutral wire to establish a good neutral connection when checking voltages For additional checks see II G 1 No Ice Production 3 The OUTPUT TEST ...

Page 26: ...ddle is engaged BC switch is open If closed check that the actuator paddle is not restricted Clean if necessary See II E 2 Bin Control Cleaning If BC switch still reads closed replace BC 8 Reconnect BC connector to CB K4 connector then move the control switch to the ICE position Turn on the power supply 9 Check that CB green BC CLOSED LED is on 10 Allow the icemaker to cycle on Press and hold the ...

Page 27: ...le from the switch mount See Fig 2 6 Wipe down BC with a mixture of 1 part of Hoshizaki Scale Away and 25 parts of warm water Rinse the parts thoroughly with clean water 7 Reassemble BC and replace it in its correct position Note If the magnet was removed for cleaning be sure to replace it in its correct position 8 Reconnect BC connector to CB K4 connector then move the control switch to the ICE p...

Page 28: ...ector to CB K5 connector then replace the control box cover in its correct position 8 Move the control switch to the ICE position Replace the front panel in its correct position then turn on the power supply After 1 min the 1 min fill cycle should end and the initial harvest cycle should begin If the initial harvest cycle begins FS is good and the check is complete If the initial harvest cycle doe...

Page 29: ...the retainer rod from the bottom of FS housing then remove the float Be careful not to bend the retainer rod excessively when removing it 6 Wipe down FS housing shaft float and retainer rod with a mixture of 1 part Hoshizaki Scale Away and 25 parts warm water Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water 7 Reassemble FS assembly and...

Page 30: ...the normal range continue to the next step 7 Replace the thermistor in its correct position See IV B Component Service Information 8 Reconnect the thermistor connector to CB K3 connector 9 Replace the control box cover in its correct position 10 Move the control switch to the ICE position 11 Replace the front panel in its correct position 12 Turn on the power supply 13 Once the harvest cycle start...

Page 31: ...ard Check a In alarm b CB yellow BC OPEN LED on bin full c Defective 8 Bin Control See II E Bin Control Check a Tripped with bin filled with ice b Actuator does not move freely c Defective 9 Water Supply a Water supply off or improper water pressure b External water filters clogged 10 Inlet Water Valve a Screen or orifice clogged b Coil winding open c Water valve open in freeze cycle 11 Float Swit...

Page 32: ...tor for a copy of the freeze up checklist Freeze Up Possible Cause Harvest Cycle 1 Evaporator a Scaled up b Damaged 2 Cube Guides a Out of position b Damaged 3 Spray Tubes and or Spray Guides a Dirty b Out of position 4 Water Supply a Low water pressure b External water filters clogged c Insufficient water line size Minimum 1 4 Nominal ID 6 mm Nominal OD in the EU copper water tubing or equivalent...

Page 33: ...tor a RPM too slow b Impeller damaged 8 Thermostatic Expansion Valve a Bulb loose or defective 9 Liquid Line Valve a Restricted 10 Headmaster C P R remote models a Not bypassing 3 Low Ice Production Low Ice Production Possible Cause Long Harvest Cycle 1 Evaporator a Scaled up 2 Spray Tubes and or Spray Guides a Dirty b Out of position 3 Refrigerant Charge a Low 4 Water Supply a Low water pressure ...

Page 34: ...e K5 b Defective 7 Refrigerant Charge a Low 8 Thermostatic Expansion Valve a Bulb loose b Defective 9 Compressor a Inefficient or off 10 Pump Motor a RPM too slow 11 Liquid Line Valve a Erratic or restricted 12 Headmaster C P R remote models a Not bypassing 13 Splash Guard a Out of place b Missing or damaged Freeze Time Correction Cycle Initiated 1 Evaporator a Scaled up dirty 2 Float Switch See I...

Page 35: ...ositioned correctly 14 Are the evaporator separators positioned properly 15 Is the thermistor properly mounted tight and insulated 16 Is the TXV bulb properly mounted tight and insulated 17 Are splash guards in place Appliance Sequence of Operation Fill YES NO 18 Does the water tank fill and overflow 60 90 sec Note Larger models may take up to 120 seconds to overflow when empty 19 If NO in step 17...

Page 36: ...le to failure due to static discharge It is especially important to touch the metal part of the icemaker when handling or replacing the control board Do not touch the electronic devices on the control board or the back of the control board Do not change wiring and connections Do not misconnect K3 WHITE K4 RED and K5 BLACK because the same connector is used for the thermistor bin control and float ...

Page 37: ...onnector Pin 5 LED 3 off K1 Connector Pin 4 energized in freeze LED 4 X4 Relay K1 Connector Pin 6 LED 1 X1 Relay K1 Connector Pin 1 9 K2 Connector Control Transformer 10 5VAC S5 Dip Switch ALARM RESET Button S4 Dip Switch OUTPUT TEST Button used to test relays on control board K3 white Connector Thermistor harvest control and high temperature safety K5 black Connector Float Switch water level Part...

Page 38: ...ot wa ter entering unit stuck HM or shorted thermistor 2 Beep Harvest Backup Timer harvest 20 min for two cycles in a row Check thermistor open HGV not opening TXV or LLV leaking by low charge inefficient Comp or WRV leaking by 3 Beep Freeze Timer freeze freeze timer setting for two cycles in a row Check FS stuck closed up WV leaking by HGV leaking by PM not pumping TXV defective LLV not opening l...

Page 39: ...J KM 515MWJ KM 515MRJ ON OFF OFF OFF OFF OFF ON OFF OFF OFF KM 650MAJ KM 650MWJ KM 650MRJ OFF OFF OFF OFF OFF OFF ON OFF OFF OFF S5 Dip Switch Do Not Adjust J Control Board Dip Switch No 1 2 3 4 5 All Models OFF OFF OFF OFF ON Freeze Timer 9 10 Pump Out Frequency Control 5 Pump Out Time Harvest Time During Pump Out 3 4 Harvest Time 1 2 Factory Use 8 Harvest Pump Time Harvest Assist Freeze Time Cor...

Page 40: ...in pump out rotation in this setting When a pump out is called for the pump motor stops for 2 sec then energizes in the reverse direction taking water from the bottom of the water tank and forcing pressure against the check valve seat allowing water to go through the check valve and down the drain At the same time water flows through the small tube to power flush the float switch The pump motor dr...

Page 41: ...very cycle After 2nd freeze cycle 5 Harvest Pump Time Harvest Assist S4 dip switch 6 NOTICE Factory set for proper operation Do not adjust Adjustment outside of the factory default setting may result in damage to the appliance Harvest pump time harvest assist is only active when S4 dip switch 7 is in the ON position In the factory default position the harvest pump time harvest assist starts with 5...

Page 42: ...ching circuit is created through the X11 and X10 relays For further details see VIII B Wiring Diagrams In the factory default position 50 sec before harvest termination LED 4 turns off inlet water valve and X11 relay de energize X10 relay remains energized through the latching circuit Next LED 3 turns on and control board K1 connector pin 5 DBU wire energizes energizing the pump motor for the last...

Page 43: ...ort at 1 800 233 1940 for recommendations S4 Dip Switch Setting Time min No 9 No 10 OFF OFF 60 OFF ON 50 ON OFF 70 ON ON 75 9 Float Switch Selector S5 dip switch 1 This dip switch setting allows use of this control board in single and dual float switch models This model uses a single float switch style NOTICE Do not adjust This must be left in the factory default position or the icemaker will not ...

Page 44: ... anti slush control during the freeze cycle When the evaporator temperature reaches 36 F 2 2 C the control board reads a 5 8kΩ signal from the thermistor and de energizes the water pump for 10 sec to melt the ice slush and prevent the ice slush from blocking the water supply tubing causing irregular freeze patterns NOTICE Factory set for proper operation Do not adjust Adjustment outside the factor...

Page 45: ...tem if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG Do not use R 404A as a mixture with pressurized air for leak testing NOTICE Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Do not leave the system open for longer than 15 min when replacing or servicing parts The Polyol Ester PO...

Page 46: ... the new drier with the arrow on the drier in the direction of the refrigerant flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using ...

Page 47: ...inder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the scales Open the high side valve on the gauge manifold 7 Allow the system to charge with liquid until the proper charge weight is met 8 If necessary add any remaining charge to the system through the low side NOTICE To prevent compressor damage use a throttling valve or liqui...

Page 48: ...uid Line Valves Replace the strainer if applicable Use copper tube of the same diameter and length when replacing valve lines Fan Motors Install a new capacitor Pump Motor Install a new capacitor Thermistor Attach the new thermistor to the suction line in the same location as the previous thermistor The thermistor should be at the 12 o clock position on the tube Smoothly fill the recessed area of ...

Page 49: ...the system 2 5 min after a freeze cycle starts confirm that the thermometer reads 104 F to 115 F 40 C to 46 C If it does not rotate the adjustment screw by using a flat blade screwdriver until the temperature is in the proper range See Fig 5 Next check that the reference pressure is in the range indicated in the Head Pressure table in the Performance Data section If it is not in the proper range v...

Page 50: ...scoop using a neutral cleaner Rinse thoroughly after cleaning Bi Weekly Air Filters Inspect Wash with warm water and neutral cleaner if dirty Monthly External Water Filters Check for proper pressure and change if necessary Icemaker Exterior Wipe down with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up Clean any chlorine staining rust colored spots...

Page 51: ...ed air or carbon dioxide supply to the icemaker water supply line drain valve 5 Make sure at least 3 min have elapsed since you turned off the power supply Make sure the control switch is in the ICE position Replace the front panel in its correct position then turn on the power supply 6 Blow the icemaker water supply line out using the compressed air or carbon dioxide supply 7 Close the icemaker w...

Page 52: ...ine drain valve If connected to a closed loop system also open the condenser return line drain valve 4 Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve 5 Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring While holding the valve open blow out the condenser using the compressed air or carbon di...

Page 53: ...posal The appliance contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service personnel ...

Page 54: ...05 0 40 90 0 34 82 0 31 80 27 94 0 35 70 0 27 68 0 26 90 32 90 0 34 54 0 20 49 0 19 gal day m3 day 100 38 73 0 27 53 0 20 44 0 17 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 220 15 5 241 16 9 259 18 2 80 27 236 16 6 268 18 8 280 19 7 90 32 241 16 9 290 20 4 306 21 5 PSIG kg cm2 G 100 38 241 16 9 294 20 6 320 22 5 70 21 62 4 4 64 4 5 66 4 6 80 27 64 4 5 67 4 7 68 4 8 90 32 64 4 ...

Page 55: ... 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 290 20 4 289 20 3 298 20 9 80 27 290 20 4 289 20 3 302 21 2 90 32 289 20 3 288 20 2 299 21 1 PSIG kg cm2 G 100 38 294 20 7 291 20 4 310 21 8 70 21 68 4 8 69 4 8 70 4 9 80 27 68 4 8 69 4 9 70 5 0 90 32 69 4 8 70 4 9 71 5 0 PSIG kg cm2 G 100 38 69 4 8 70 4 9 72 5 1 7 500 BTU h AT 90ºF 32ºC WT 70ºF 21ºC TOTAL HEAT OF REJECTION FROM COMPRES...

Page 56: ...8 106 0 40 71 0 27 62 0 24 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 233 16 4 252 17 7 275 19 3 80 27 248 17 4 277 19 5 298 20 9 90 32 252 17 7 298 21 0 320 22 5 PSIG kg cm 2 G 100 38 255 18 0 303 21 3 340 23 9 70 21 55 3 9 56 3 9 58 4 1 80 27 56 3 9 57 4 0 60 4 2 90 32 56 3 9 58 4 1 61 4 3 PSIG kg cm2 G 100 38 57 4 0 59 4 1 63 4 4 7 000 BTU h AT 90ºF 32ºC WT 70ºF 21ºC TOTAL ...

Page 57: ... 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 280 19 7 281 19 8 286 20 1 80 27 281 19 8 283 19 9 289 20 3 90 32 281 19 8 285 20 0 290 20 4 PSIG kg cm 2 G 100 38 283 19 9 286 20 1 295 20 7 70 21 65 4 6 66 4 6 67 4 7 80 27 65 4 6 66 4 7 67 4 7 90 32 66 4 6 67 4 7 68 4 8 PSIG kg cm 2 G 100 38 66 4 6 67 4 7 69 4 9 8 100 BTU h AT 90ºF 32ºC WT 70ºF 21ºC TOTAL HEAT OF REJECTION FROM CO...

Page 58: ...93 0 35 76 0 29 gal day m 3 day 100 38 128 0 49 89 0 34 60 0 23 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 205 14 4 220 15 5 243 17 1 80 27 217 15 2 240 16 9 264 18 5 90 32 220 15 5 257 18 1 280 19 7 PSIG kg cm2 G 100 38 225 15 8 262 18 5 302 21 2 70 21 56 3 9 57 4 0 58 4 1 80 27 57 4 0 58 4 1 59 4 1 90 32 57 4 0 59 4 1 60 4 2 PSIG kg cm 2 G 100 38 57 4 0 59 4 2 61 4 3 7 600 B...

Page 59: ...47 78 0 30 68 0 26 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 255 17 9 274 19 2 303 21 3 80 27 269 18 9 298 21 0 329 23 2 90 32 274 19 2 319 22 4 350 24 6 PSIG kg cm 2 G 100 38 281 19 7 326 22 9 378 26 6 70 21 57 4 0 58 4 1 60 4 3 80 27 58 4 1 59 4 2 62 4 4 90 32 58 4 1 60 4 2 63 4 4 PSIG kg cm2 G 100 38 59 4 1 61 4 3 66 4 6 10 400 BTU h AT 90ºF 32ºC WT 70ºF 21ºC TOTAL HEAT OF...

Page 60: ... 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 235 16 5 237 16 7 245 17 2 80 27 237 16 6 240 16 9 250 17 6 90 32 237 16 7 243 17 1 252 17 7 PSIG kg cm2 G 100 38 240 16 9 245 17 2 260 18 3 70 21 55 3 9 56 3 9 57 4 0 80 27 55 3 9 56 4 0 58 4 1 90 32 56 3 9 57 4 0 59 4 1 PSIG kg cm 2 G 100 38 56 3 9 57 4 0 60 4 2 11 100 BTU h AT 90ºF 32ºC WT 70ºF 21ºC TOTAL HEAT OF REJECTION FROM CO...

Page 61: ... 32 78 0 30 gal day m3 day 100 38 125 0 47 83 0 31 72 0 27 70 21 80 27 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 230 16 2 234 16 5 266 18 7 80 27 233 16 4 240 16 8 286 20 1 90 32 234 16 5 244 17 2 285 20 0 PSIG kg cm2 G 100 38 249 17 5 254 17 8 322 22 6 70 21 50 3 5 50 3 5 52 3 7 80 27 50 3 5 51 3 6 53 3 7 90 32 50 3 5 51 3 6 53 3 7 PSIG kg cm2 G 100 38 51 3 6 51 3 6 55 3 9 10 200 BTU h ...

Page 62: ...62 B Wiring Diagrams 1 KM 340M_J High Pressure Switch Air Cooled Model Water Cooled Model Cut out 412 22 PSIG 384 22 PSIG Cut in 327 22 PSIG 284 22 PSIG 0 0 ...

Page 63: ...63 2 KM 515M_J and KM 650M_J High Pressure Switch Water Cooled Model Air and Remote Models Cut out 384 22 PSIG 412 22 PSIG Cut in 284 22 PSIG 327 22 PSIG 0 0 ...

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Hoshizaki KM-340MAJ, Service Manual

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