1. Control Board Layout

a) KM-1601SAH/3 "G" Control Board

"G" Control Board

• Bin Control Switch

• "ALARM RESET" Button

• S4 Dip Switch

Closed LED (green)

 

 

(on continuously in thermostatic bin control application)

Bin Control Switch

Open LED (yellow) (mechanical bin control application only)

Part Number

Alarm Buzzer

Power LED (red)

(lights when 10.5VAC is supplied to K2 connector)

Relay LEDs (green)

(indicate which relays and K1 connector pins are energized)

LED 2 (X2 Relay)

LED 2 ON:

K1 Connector Pin #2 LED 2 OFF:

K1 Connector Pin #3

LED 3 (X3 Relay)

LED 3 on:

K1 Connector Pin #5 (energized during harvest pump timer) 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)

"OUTPUT TEST" Button

(used to test relays on control board)

WHITE K3 Connector

Harvest Control (thermistor)

RED K4 Connector

K4 Jumper (4A4883G01) for Thermostatic Bin Control Application

S5 Dip Switch

BLACK K5 Connector

Float Switch

Label

(control board revision level indicated on label on side of relay)

K1 Ten-Pin Connector

Pins #1 through #10 #1, 9-LED 1 on: Compressor Relay/ Magnetic Contactor and Fan Motor (FM) #2-LED 2 on: Hot Gas Valve (HGV); X10 Relay in Harvest

#3-LED 2 off: Liquid Line Valve (LLV)

#4-LED 3 off: Pump Motor (PM) in Freeze

#5-LED 3 on: Pump Motor (PM) in Harvest Pump Timer and Pump-Out

#6-LED 4: Inlet Water Valve (WV) and X11 Relay

#7, 10 Supply Voltage #8 Open

"G" Control Board

Part Number 2A3792-01

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Hoshizaki KM-1601SAH/3, KM-1601SWH/3, KM-1601SRH/3 service manual Control Board Layout

KM-1601SWH/3, KM-1601SRH/3, KM-1601SAH/3 specifications

Hoshizaki has long been a trusted name in the world of commercial refrigeration and ice-making equipment. Among its offerings, the KM-1601SAH/3, KM-1601SRH/3, and KM-1601SWH/3 models stand out for their innovative features and robust design. These machines are integral for businesses that require reliable and efficient ice production, such as restaurants, hotels, and convenience stores.

At the core of these models is Hoshizaki's renowned Crescent Cube Technology, which produces clear, crescent-shaped ice that is ideal for both beverage service and food presentation. The unique shape of the ice ensures reduced melting rates, helping to maintain beverage temperature for longer periods while minimizing dilution. Additionally, the crescent ice is less prone to clumping, making it easier to dispense and ideal for high-volume use.

One of the key features of the KM-1601 series is its exceptional ice production capacity. Each model can produce up to 1,600 pounds of ice in a 24-hour cycle, making them suitable for heavy-demand environments. The machines are constructed with a durable stainless steel exterior, providing not only a sleek look but also enhanced resistance to corrosion and easy maintenance.

The KM-1601SAH/3 is designed with a built-in ice storage bin, allowing for seamless integration into various setups. Its state-of-the-art refrigeration system ensures optimal energy efficiency, which is crucial for businesses looking to manage operational costs. The KM-1601SRH/3 includes a self-contained design, simplifying installation and reducing the need for external ice storage solutions.

For users concerned with hygiene, these models boast advanced sanitation features. Hoshizaki's Antimicrobial Agent is incorporated into key components to inhibit the growth of bacteria and slime, ensuring cleaner ice production. The machines also feature easy-to-access panels for quick cleaning and maintenance, reducing downtime.

Another significant characteristic is their user-friendly controls, which simplify operation and monitoring of ice production. The built-in monitoring system alerts users to any potential issues, allowing for proactive maintenance and minimal disruption to service.

The KM-1601SWH/3 model further enhances the lineup with its energy-efficient design, lightweight construction, and compact footprint, making it perfect for establishments with limited space. Collectively, these models reflect Hoshizaki's commitment to innovation, efficiency, and reliability in ice-making technology, making them a top choice for businesses that require substantial ice production without compromising on quality or safety. Whether you need a powerful ice machine for a bar, restaurant, or convenience store, Hoshizaki’s KM-1601 series delivers performance that you can depend on.