Service Manual Modular Crescent Cuber Model KMS-1402MLJ Including Condensing Unit Models SRK-15J/3 hoshizakiamerica.
WARNING Only qualified service technicians should install and service the appliance. To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com. No installation or service should be undertaken until the technician has thoroughly read this Service Manual. Likewise, the owner/manager should not proceed to operate the appliance until the installer has instructed them on its proper operation.
IMPORTANT This manual should be read carefully before the icemaker is serviced. Read the warnings and guidelines contained in this booklet carefully as they provide essential information for the continued safe use, service, and maintenance of the icemaker. Retain this booklet for any further reference that may be necessary. CONTENTS Important Safety Information.................................................................................................. 5 I.
IV. Refrigeration Circuit and Component Service Information.............................................. 46 A. Refrigeration Circuit Service Information..................................................................... 46 B. Component Service Information................................................................................... 49 V. Maintenance..................................................................................................................... 50 VI.
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury. NOTICE Indicates a situation which could result in damage to the appliance or property. IMPORTANT Indicates important information about the use and care of the appliance.
WARNING, continued For KMS • Risk of electric shock. Control switch in "OFF" position does not de-energize all loads. • Power supply and ground connection are supplied from the SRK remote condensing unit via the wire harness provided. Do not connect the wire harness leads to an external power source. • Wire harness routing (conduit) and disconnect (if required) must meet national, state, and local electrical code requirements.
I. Construction and Water/Refrigeration Circuit Diagrams A. Construction 1.
2. Condensing Unit SRK-15J Control Box SRK-15J3 Control Box Fuse Fuse Condenser Headmaster (C.P.R.
Fill/Refill Water Valve (WV (WV 1) Water Tank Evaporator Spray Tube Pump Motor Harvest Water Valve (WV 2) KMS-1402MLJ Drain Water Supply 9 Drain Valve Float Switch Expansion Valves Check Valves SRK-15J/3 Fan Compressor Discharge Line Suction Line Receiver Accumulator Hot Gas Valve Body Strainer Service Valve Thermistor Liquid Line Shutoff Valve Liquid Line Shutoff Valve Drier Service Valve Liquid Line Valve Body Wash Valve High-Pressure Switch Strainer Liquid Line Valve Hot Ga
Startup Cycle Steps Comp energized FMRs energized HGVs energized WV2 energized WV1 de-energized FS closed Thermistor in control 10 Legend: Comp-compressor DV-drain valve FMRs-fan motors-remote F/S-float switch HGVs-hot gas valves (KMS and SRK) LLVs-liquid line valves (KMS and SRK) PM-pump motor WV1-fill/refill water valve WV2-harvest water valve FS check Comp energized FMRs energized HGVs energized DV energized PM stops for 2 sec., then energized for 10/20 sec.
BC Operation Shutdown and Restart 11 Legend: BC–bin control BC open (BC actuator paddle engaged) Green "BC CLOSED" LED off Yellow "BC OPEN" LED on All components de-energized. 2. Icemaker Off BC closed (BC actuator paddle disengaged) Green "BC CLOSED" LED on Yellow "BC OPEN" LED off To 1. 1-Minute Fill Cycle Icemaker starts at "1. 1-Minute Fill Cycle." 3. Ice Level Lowered Note: Control board retains freeze-time correction count data between bin control restarts. Yellow "BC OPEN" LED continues.
254 309 349 380 406 427 446 462 3 4 5 6 7 8 9 10 Note: When 1st freeze-time correction cycle is initiated, CB "POWER OK" LED starts blinking. On 2nd freeze-time correction cycle, if CB "POWER OK" LED has been reset, CB "POWER OK" LED starts blinking. If CB "POWER OK" had not been reset after 1st freeze-time correction cycle CB "POWER OK" LED continues to blink. After 3rd freeze‑time correction cycle in 36 hours, CB yellow "EXT HARVEST" LED starts blinking.
B. Service Diagnosis WARNING • This appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. • Risk of electric shock. Use extreme caution and exercise safe electrical practices. • Risk of electric shock. Control switch (KMS) in "OFF" position does not de‑energize all loads. • Moving parts (e.g., fan blade) can crush and cut. Keep hands clear.
3) Power On: Turn on the power supply, then move the control switch to the "ICE" position. A 5‑sec. delay occurs. CB red "POWER OK" LED and CB green "BC CLOSED" LED turn on. If CB yellow "BC OPEN" LED is on (indicating a full bin), check BC. Move ice away from BC actuator paddle. If CB yellow "BC OPEN" LED stays on, see "II.E.1. Bin Control Check." Note: • CB red "POWER OK" LED remains on unless the 10.5VAC power supply is interrupted (K2 connector). • Check CB using the steps in "II.D. Control Board Check.
4) 1-Min. Fill Cycle – LED 4 is on. WV1 energizes. After 1 min., CB checks for a closed FS. If FS is closed, the harvest cycle begins. If harvest cycle begins (Comp, HGVs, and FMRs energized), continue to step 5a. If FS is open, WV1 remains energized until FS closes (low water safety protection during initial start up and at the end of each harvest). Diagnosis: Check that water enters the water tank. If not, check that the water supply line shut-off valve is open and screens or external filters are clear.
d) Relays: 1. X10 (WV1 and WV2): If WV1 continues and WV2 does not energize, check for 115VAC between X10 relay terminal #4 (GY) to neutral (W) and X10 relay terminal #2 (W/O) to neutral (W). If 115VAC is present at relay terminal #2 (W/O) and not at relay terminal #4 (GY), check for 115VAC at relay terminal #8 (P). If 115 VAC is present at relay terminal #8 (P) and not at relay terminal #4 (GY), replace relay.
5b) Harvest Pump Timer – LEDs 1, 3, and 2 are on. When the thermistor reaches 48°F (9°C), CB reads 3.9 kΩ from the thermistor and turns harvest termination over to the harvest timer (S4 dip switch 1 & 2 and S5 dip switch 4). When WV2 de-energizes, LED 4 turns off, X12 relay de-energizes. LED 3 turns on and X11 relay energizes, allowing PM to energize. Comp, FMRs, HGVs, X10, and X13 relays continue. Diagnosis: Place a thermometer on the suction line next to the thermistor.
6) Freeze Cycle – LED 1 is on. Comp, FMRs, and PM continue. LLVs energize. HGVs, X10, X11, and X13 relays de‑energize. Appliance is held in freeze by a 5-min. short cycle protection timer. After 5-min. short cycle protection timer terminates and FS opens, freeze cycle terminates. Note: PM power supply switches from CB K1 #5 (DBU) in HPT to K1 #4 (R) in freeze. Refill – LEDs 1 and 4 are on.
d) PM Diagnosis: Confirm water is flowing over evaporator from PM and not WV1 or WV2. If PM de-energizes once freeze begins (except for anti-slush), check for 115VAC at CB K1 #4 (R) to neutral (W). If 115VAC is not present, replace CB. If 115VAC is present and PM is de-energized, check for 115VAC at control switch #5 (W/R) to neutral (W). If 115VAC is present at CB K1 #4 (R) and not at control switch #5 (W/R), check control switch continuity between #5 (W/R) and #6 (R). Replace as needed.
7) Pump-Out Cycle – LEDs 1, 3, and 2 are on (10/20 second pump-out). Timing of the first pump-out is determined by S4 dip switch 5. See the table below. Control Board Settings S4 Dip Switch Setting Pump-Out Frequency Control Board OFF Every 10 cycles After 11th freeze cycle ON Every cycle After 2nd freeze cycle No. 5 Comp and FMRs continue, HGVs energize. Note: If S4 dip switch 3 & 4 are set to 3 off and 4 on, LED 4 turns on and WV2 and X12 relay energize, energizing X13 relay.
d) DV Diagnosis: X10 Relay: If 115VAC is present at CB K1 #1 (V) to neutral (W) and DV is de‑energized, check for 115VAC at X10 relay #5 (V) and #3 (Y) to neutral (W). If 115VAC is present at #5 (V) and not at #3 (Y), confirm X10 relay is de-energized. If de-energized, replace X10 relay (sticking contacts). If energized, confirm LEDs 1, 2, and 3 are on. If LED 1, 3, and 2 are on and X10 relay is energized, replace CB.
C. Freeze-Time Correction Cycle (90 min.) Freeze-Time Correction function is enabled when S4 Dip Switch 7 is in the "ON" position and initiates when the minimum and maximum freeze times have exceeded differential parameters. Freeze-time correction timer and count starts at the beginning of the 2nd freeze cycle after startup from power off condition.
2) Freeze-Time Correction Sequence: First occurrence within 36 hr., minimum and maximum freeze times have exceeded differential parameters. CB "POWER OK" LED starts blinking. Freeze-Time Correction Cycle starts. Second occurrence within 36 hr., minimum and maximum freeze times have exceeded differential parameters. If not reset, CB "POWER OK" LED continues blinking. If reset from first occurrence, CB "POWER OK" LED starts blinking. Freeze-Time Correction Cycle starts. Third occurrence within 36 hr.
D. Control Board Check Before replacing CB that does not show a visible defect and that you suspect is bad, always conduct the following check procedure. This procedure will help you verify your diagnosis. Alarm Reset: If CB is in alarm (beeping), press the "ALARM RESET" button on CB while CB is beeping. WARNING! Risk of electric shock. Care should be taken not to touch live terminals. Once reset, the icemaker starts at the 1-minute fill cycle. For audible alarm information, see "III.B.
4) To verify voltage output from CB to the components, slide the CB K1 connector out far enough to allow multimeter lead contact. With the icemaker in the cycle to be tested, check output voltage from the corresponding pin on CB K1 connector to a neutral (W) wire. If output voltage is not found and the appropriate LED is on, replace CB. 5) Check CB control connectors K3, K4, and K5 for correct VDC per table below. Note: Pin #1 is DC ground (GND) on each connector.
E. Bin Control Check 1. Bin Control Check This appliance uses a lever-actuated proximity switch to control the ice level in the storage bin. No adjustment is required. To check BC, follow the steps below. 1) Turn off the power supply. 2) Remove the front panel, then move the control switch to the "OFF" position. 3) Remove the control box cover. 4) Remove the base cover and clear any ice away from BC. BC Connector 5) Disconnect BC connector from CB K4 connector.
2. Bin Control Cleaning Scale may build up on BC. Scale can cause the actuator paddle and magnet to stick. In this case, BC should be cleaned. WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after the icemaker is serviced. Make sure that none have fallen into the dispenser unit/storage bin. 1) Turn off the power supply. 2) Remove the front panel, then move the control switch to the "OFF" position.
F. Float Switch Check and Cleaning F/S is used to determine that there is sufficient water in the water tank after the 1‑minute fill cycle and after each harvest cycle. F/S is also used to determine that the appropriate volume of water has been converted into ice before switching out of the freeze cycle. No adjustment is required. Note: F/S is not part of refill operation. 1. Float Switch Check To check F/S, follow the steps below. 1) Turn off the power supply. 2) Remove the front panel.
20) Reconnect F/S connector to CB K5 (black) connector, then replace the control box cover, right side, and top panels in their correct positions. 21) Move the control switch to the "ICE" position. 22) Replace the front panel in its correct position. 23) Turn on the power supply to start the automatic icemaking process. Legend: CB–control board; F/S–float switch 2. Float Switch Cleaning Depending on local water conditions, scale may build up on F/S. Scale can cause F/S to stick.
G. Thermistor Check To check thermistor resistance, follow the steps below. 1) Turn off the power supply. 2) Remove the front panel, then move the control switch to the "OFF" position. 3) Remove the top and right side panels, then remove the control box cover. 4) Remove the thermistor. 5) Immerse the thermistor sensor portion in a glass containing ice and water for 2 or 3 minutes. 6) Disconnect the thermistor connector from CB K3 (white) connector and check resistance between thermistor leads.
H. Switches Two control switches are used to control operation. These switches are referred to as the control switch" and the "service switch" and are located on the control box. 1. Control Switch The control switch has three positions: "OFF" for power off, "ICE" for icemaking, and "SERVICE" to activate the service switch. WARNING! Moving control switch to "OFF" position does not de-energize all components. 2.
I. Diagnostic Tables Before consulting the diagnostic tables, check for correct installation, proper voltage per nameplate, and adequate water pressure (10 to 113 PSIG). Check control board using the steps in "II.D. Control Board Check." 1. No Ice Production No Ice Production - Possible Cause 1. Power Supply a) Off, blown fuse, or tripped breaker. 2. Main Transformer (3 phase SRK) (208-230VAC/115VAC) a) Voltage tap switch not set to proper voltage. 3.
No Ice Production - Possible Cause 14. Float Switch a) Float does not move freely. See "II.F. Float Switch Check and b) Defective. Cleaning" 15. Compressor a) Magnetic contactor contacts bad or coil winding open. b) Start capacitor or run capacitor defective (1 phase SRK). c) Start relay contacts bad or coil winding open (1 phase SRK). d) Internal protector open. e) Compressor defective. 16. Hot Gas Valves (KMS & SRK) a) Closed in harvest cycle. b) Open in freeze cycle. 17. Thermistor See "II.G.
2. Freeze-Up Defrost and clean the icemaker prior to diagnosing freeze-up. Fill out a freeze-up checklist. See "II.J. Freeze Up Check List," the Hoshizaki America Technician's Pocket Guide, or contact your local distributor 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, Spray Guides, and a) Dirty. Splash Guard or Splash Curtain b) Out of position. 4.
Freeze-Up - Possible Cause 8. Thermostatic Expansion Valve a) Bulb loose or defective. 9. Headmaster a) Defective. 10. Liquid Line Valves (KMS & SRK) a) Restricted. 3. Low Ice Production Low Ice Production - Possible Cause Long Harvest Cycle 1. Evaporator a) Scaled up. 2. Spray Tubes, Spray Guides, and a) Dirty. Splash Guard or Splash Curtain b) Out of position. 3. Refrigerant Charge a) Low. 4. Water Supply a) Low water pressure. b) External water filters clogged. c) Insufficient water line size.
J. Freeze-Up Check List Freeze-Up Check List Please Complete When Diagnosing a Freeze-Up, Refrigerant Leak, or Low Charge Technical Support Fax #: 770-487-3360 Make Copies And Use As Needed Model #___________________________ Serial # _________________________Install Date______________Fail Date___________ List model and manufacture of bin or dispenser__________________________. Date appliance was last cleaned:__________.
III. Settings and Adjustments • A Hoshizaki exclusive control board is employed in the Hoshizaki icemakers. • All models are pretested and factory adjusted. • For a control board check procedure, see "II.D. Control Board Check." NOTICE • Fragile, handle very carefully. • The control board contains integrated circuits, which are susceptible 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.
A. Control Board Layout "J" Control Board • Bin Control Switch Closed LED (green) • "ALARM RESET" Button • S4 Dip Switch • K3 (white) Connector Thermistor (harvest control and high temperature safety) • Bin Control Switch Open LED (yellow) • Alarm Buzzer • K4 (red) Connector Bin Control • Ext. Harvest LED (yellow) (blinks when 3rd occurrence of freeze time correction initiates within 36 hr.) • S5 Dip Switch • K5 (black) Connector Float Switch (water level) • POWER OK LED (red) (lights when 10.
B. LED Lights and Audible Alarm Safeties Beep occurs and red CB "POWER OK" LED turns on when control switch is moved to "ICE" position. Sequence Green LEDs 1 through 4 turn on and sequence from initial startup as listed in the table below. Order of green LEDs from the outer edge of control board is 1, 4, 3, 2. Sequence Step Energized Components LED Time LEDs are On Min. Max.
C. Settings and Adjustments NOTICE Dip switches are factory set. Failure to maintain factory settings may adversely affect performance and warranty coverage. For more information, contact Hoshizaki Technical Support at 1-800-233-1940. 1. Default Dip Switch Settings The dip switches are factory-adjusted to the following positions: S4 Dip Switch Dip Switch No. KMS-1402MLJ\3 1 2 3 4 OFF OFF OFF ON 5 6 ON ON 7 8 9 10 ON OFF OFF OFF S5 Dip Switch (Do Not Adjust) 1 2 KMS-1402MLJ/3 ON 3 4 5 ON
2. Harvest Time (S4 dip switch 1 & 2) The harvest timer starts counting when the thermistor reaches 48°F (9°C) at the evaporator outlet and the control board reads 3.9 kΩ from the thermistor. The harvest timer is factory set, and generally no adjustment is required. However, a setting longer than the factory setting may be advised in cases where the drain provided at harvest needs to be prolonged for extra cleaning.
4. Pump-Out Frequency Control (S4 dip switch 5) The pump-out frequency control is factory set to drain the water tank every 10 cycles. Generally no adjustment is required. However, where water quality is bad and the icemaker needs a pump-out more often, the pump‑out frequency can be adjusted. The pump-out frequency control can be set to have a pump‑out occur every cycle, or every 10 cycles. The first pump-out is dependent on S4 dip switch 5. See the table below.
6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (S4 dip switch 7) NOTICE Factory set for proper operation. Do not adjust. Adjustment outside of the factory default setting may result in damage to the appliance. a) Depending on the harvest pump timer setting, the pump motor either stays off or is energized the last 50 seconds of harvest. When the pump motor is energized, water circulates over the evaporator.
8. Freeze Timer (S4 dip switch 9 & 10) NOTICE Adjust to proper specification, or the icemaker may not operate correctly. The freeze timer setting determines the maximum allowed freeze time to prevent possible freeze-up issues. Upon termination of the freeze timer, the control board initiates the harvest cycle or pump-out cycle. After 2 consecutive freeze timer terminations, the control board shuts down the icemaker. In this case, see "II.I.3. Low Ice Production" for possible solutions.
10. Refill Counter (S5 dip switch 2 and 3) NOTICE Do not adjust. These must be left in the factory default position or the icemaker will not operate correctly. The refill counter determines the number of refills. The KMS‑1122MLH does not refill during the freeze cycle. S5 Dip Switch Setting No. 2 No. 3 Refill Counter OFF OFF 0 OFF ON 1 refill ON OFF 9 refills ON ON 10 refills 11. Minimum Harvest Time (S5 dip switch 4) NOTICE Factory set for proper operation. Do not adjust.
IV. Refrigeration Circuit and Component Service Information WARNING • This appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. • Move the control switch to the "OFF" position and turn off the power supply. Place the disconnect in the "OFF" position. Lockout/Tagout to prevent the power supply from being turned back on inadvertently.
2. Brazing WARNING • R-404A itself is not flammable at atmospheric pressure and temperatures up to 176°F (80°C). • R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames), R-404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous. • Do not use silver alloy or copper alloy containing arsenic. 1) Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG.
4) Close the low-side valve and high-side valve on the gauge manifold. 5) Disconnect the gauge manifold hose from the vacuum pump and attach it to a refrigerant service cylinder. Remember to loosen the connection and purge the air from the hose. For the required refrigerant charge, see the rating label inside the icemaker. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard 700 (latest edition) be used.
B. Component Service Information NOTICE When replacing a component listed below, see the notes to help ensure proper operation. Component Notes Compressor 1 Phase SRK: Install a new start capacitor, run capacitor, and start relay. 3 Phase SRK: Install a new magnetic contactor. Thermostatic Expansion Valves • Attach the thermostatic expansion valve bulb to the suction line in the same location as the previous bulb. • The bulb should be between the 10 and 2 o'clock positions on the tube.
V. Maintenance The maintenance schedule below is a guideline. More frequent maintenance may be required depending on water quality, the appliance's environment, and local sanitation regulations. WARNING • Only qualified service technicians should service the appliance. • To reduce the risk of electric shock, do not touch the control switch or service switch with damp hands • Before servicing: Move the control switch to the "OFF" position and turn off the power supply.
VI. Preparing the Appliance for Periods of Non-Use NOTICE • When storing the appliance for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. • To prevent damage to the water pump, do not operate the appliance with the control switch in the "SERVICE" position when the water tank is empty. When the appliance is not used for two or three days under normal conditions, it is sufficient to move the control switch to the "OFF" position.
17) From the tee on the drain hose, blow out the drain valve using compressed air or carbon dioxide. 18) Move the service switch to the "CIRC." position and the control switch to the "OFF" position. 19) Turn off the power supply. 20) Reconnect the thermistor connector to the control board K3 (white) connector. Reconnect the water pump connector. 21) Close the inlet water supply line drain valve.
VII. Disposal This 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.
VIII. Technical Information We reserve the right to make changes in specifications and design without prior notice. A. Specification and Performance Data Sheets Pressure data is recorded at 5 min. into freezing cycle. The data not in bold should be used for reference only. 1. KMS-1402MLJ with SRK-15J Specification Sheet AC SUPPLY VOLTAGE ELECTRIC & WATER CONSUMPTION ELECTRIC W (kWH/100 lbs.) WATER gal./24HR (gal./100 lbs.
2. KMS-1402MLJ with SRK-15J3 Specification Sheet AC SUPPLY VOLTAGE ELECTRIC & WATER CONSUMPTION ELECTRIC W (kWH/100 lbs.) WATER gal./24HR (gal./100 lbs.) ICE PRODUCTION PER CYCLE BIN CONTROL SYSTEM REFRIGERANT CHARGE 115VAC Supplied by SRK-15J3 via Factory Supplied Wire Harness 90/70°F 70/50°F 2510 (4.55) 2340 (3.81) 292 (22.0) 725 (49.2) 26.4 lbs. (12 kg) 1248pcs. Mechanical Lever Switch TOTAL R404A, 16 lb. 5 oz. (7400g) ICEMAKER, 0 lb. 7.1 oz. (200g) CONDENSER, 15 lb. 14 oz.
3.
4. SRK-15J3 Specification Sheet AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE EXTERIOR DIMENSIONS (WxDxH) DIMENSIONS INCLUDING LEGS (WxDxH) EXTERIOR FINISH WEIGHT CONNECTIONS - ELECTRIC - REFRIGERATION CIRCUIT COMPRESSOR CONDENSER COMPRESSOR PROTECTION FAN MOTOR PROTECTION REFRIGERANT CIRCUIT PROTECTION REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE OPERATING CONDITIONS ACCESSORIES -SUPPLIED -REQUIRED 208-230/60/3 (115VAC Supplied to KMS via Factory Wire Harness) 9.
V V P P BK BK Wire Color Code: BK-black BR-brown GR-green P-pink V-violet W-white W GR GR GND Legend: GND-ground HGV-hot gas valve CB-control board LLV-liquid line valve L2-single phase power supply L3-three phase power supply Neutral W HGV LLV Contactor Fuse 10A BR BR SRK Condensing Unit (field connected) GND V CB BR Fuse 10A BR GR V P P HGV KMS Icemaker Unit (factory connected) Wire Harness Connections LLV BK BK W Neutral W B. Wiring Diagrams 1.
BR L3 L1 L2 W W C1 W/BK COM BK BR BR C2 T1 (BK) V W W W/BR W W W/BU W 3 W/BU W/BU BK BK W Y Y BK 2 GY 5 (R) V W/BU R COMP. C Y W (Y) W BK (R) V P Y GY W W 9 W GY GY GND 10 7 BK 5 3 1 BR BK BK BK W W/O W Y W/BU W/BK W W 1 3 5 7 W W Y W W/BK W W/BU W/BR GY W P P P W W BK P V BR R R P DBU R DBU W/BR W/O W 5 Y X11 W (BK) (R) (D/BU) PUMP W/R R D/BU CAP. W/R 10MFD 4 OFF R R W Y CONTROL SW.
115V BR W 208V 0V BK VOLTAGE TAP SW.
