Controls and Adjustments | Hoshizaki KM-1301SRH-E, KM-1301SAH-E

2. Controls and Adjustments

CAUTION

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.

a)Default Dip Switch Settings

The dip switches are factory set to the following positions:

S4 Dip Switch

S4 Dip Switch No.	1	2	3	4	5	6	7	8	9	10

KM-1301SAH-E	OFF	OFF	ON	ON	ON	ON	ON	OFF	ON	ON

KM-1301SWH-E	OFF	OFF	ON	ON	ON	ON	ON	OFF	ON	ON

KM-1301SRH-E	ON	OFF	ON	ON	ON	ON	ON	OFF	ON	ON

S5 Dip Switch (Do Not Adjust)

S5 Dip Switch No.	1	2	3	4	5

KM-1301SAH-E	OFF	OFF	OFF	OFF	OFF

KM-1301SWH-E	OFF	OFF	OFF	OFF	OFF

KM-1301SRH-E	OFF	OFF	OFF	OFF	OFF

Freeze Timer (9 & 10)

Factory Use (8)

Harvest Pump Timer (7) (Do not adjust)

Pump-Out Frequency Control (5 & 6)

Pump-Out Timer (3 & 4)

(Do not adjust to 3 off and 4 on) Harvest Timer (1 & 2)

b)Harvest Timer (S4 dip switch 1 & 2)

The harvest timer starts when the thermistor reads 48°F (9°C) at the evaporator outlet and the control board reads the thermistor's 3.9 kΩ signal. 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 flush provided at harvest needs to be prolonged for extra cleaning. Before changing this setting, contact Hoshizaki Technical Support at 1‑800‑233‑1940 for recommendations. Keep in mind that setting the harvest timer to a longer setting decreases 24-hour production.

Note that the pump-out timer (S4 dip switch 3 & 4) acts in place of the harvest timer during cycles with a pump-out. For details, see "II.C.2.c) Pump-Out Timer (S4 dip switch 3 & 4)."

	S4 Dip Switch Setting		Time
			(seconds)
	No. 1	No. 2	(seconds)
	No. 1	No. 2

	OFF	OFF	60

	ON	OFF	90

	OFF	ON	120

	ON	ON	180

21

Image 21

Hoshizaki KM-1301SRH-E, KM-1301SAH-E Controls and Adjustments, Default Dip Switch Settings, Harvest Timer S4 dip switch 1

Contents

Superior Degree Reliability Hoshizaki AMERICA, INC Contents Page Serious injury Important Safety InformationIndicates important information about the use and care Unit KM-1301SAH-E air-cooled Specifications Icemaker KM-1301SWH-E water-cooled KM-1301SRH-E remote air-cooled URC-14FE Condenser Unit Specifications II. General Information Construction KM-1301SWH-E water-cooled Separators Sequence Cycles and Shutdown Sequence of OperationMinute Fill Cycle Initial Harvest Cycle Freeze Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyPump-Out Cycle Harvest Cycle Cycle at Shutdown Mechanical Bin Control Activation Mechanical Bin Control KM-1301SWH-E, KM-1301SRH-E Cycle Steps Minute Fill Harvest Cycle Sequence Flow ChartPump-Out Cycle Mechanical BC Bin Full Shutdown and Restart Control Board Control Board Control Board Layout No. of Beeps Type of Alarm Every 3 sec LED Lights and Audible Alarm SafetiesSequence Step Time LEDs are On Controls and Adjustments Default Dip Switch SettingsHarvest Timer S4 dip switch 1 Pump-Out Timer S4 dip switch 3 Pump-Out Frequency Control S4 dip switch 5Time seconds Inlet Factory Use S4 dip switch Harvest Pump Timer S4 dip switchFreeze Timer S4 dip switch 9 S4 Dip Switch Setting Pump Motor Time seconds Control Switch Float Switch Control S5 dip switchRefill Counter S5 dip switch 2 through Tank Water Tank Headmaster Service Drier Valve Thermistor Auxiliary Code T-0, U-0 Wiring DiagramsKM-1301SAH-E air-cooled U-0 Auxiliary Code Auxiliary Code U-1 and Later PressureSwitch KM-1301SRH-E remote air-cooled Performance Data 1240 13301780 1335 1142 12701950 2070 Diagnostic Procedure IV. Service DiagnosisPage S4 Dip Switch Setting Pump-Out 1st Pump-Out Frequency Mechanical Bin Control KM-1301SWH-E, KM-1301SRH-E Shutdown Thermostatic Bin Control KM-1301SAH-E Control Board Check Bin Control Check Thermostatic Bin Control Check KM-1301SAH-EMechanical Bin Control Check Stacked Unit Connection Detail Single Unit Connection Detail Mechanical Bin Control Cleaning Float Switch Check Float Switch Check and Cleaning Float Switch Cleaning Thermistor Check Adjustment of Water Regulating Valve water-cooled model Diagnostic Charts No Ice ProductionNo Ice Production Possible Cause No Ice Production Possible Cause Freeze Up Possible Cause Harvest Cycle Freeze Up Freeze Up Possible Cause Freeze Cycle Low Ice Production Low Ice Production Possible Cause Long Harvest CycleLong Freeze Cycle Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Evacuation and Recharge R-404A BrazingPage Component Important Notes for Component Replacement Cleaning Procedure VI. Cleaning and Maintenance Ice Chute Float Switch Assembly Drain Plug Sanitizing Procedure Following Cleaning Procedure Remove the water from the icemaker water supply line Maintenance Drain the water tank