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General| Model | QD1802A |
|---|---|
| Ice Type | Cube |
| Refrigerant | R404A |
| Condenser Type | Air-Cooled |
| Power Supply | 208-230V/60Hz/1Ph |
Explains types of procedural notices like Warning, Caution, and Important notes.
Details the dimensions of Regular, Dice, and Half Dice ice cubes.
Outlines requirements for water supply and drain connections.
Provides guidance for installing remote condensers and line sets.
Describes general operational checks and water level checks.
Outlines procedures for cleaning and sanitizing the interior of the ice machine.
Describes the sequence of operation for remote models.
Explains the water flow and fill valve operation during the freeze cycle.
Explains the sequence of operation using wiring diagrams.
Details wiring diagrams and sequence of operation for remote models.
Details the relays on the control board and their functions.
Provides troubleshooting steps for ice thickness control circuit issues.
Offers troubleshooting steps for water trough overfilling during freeze cycle.
Describes the prechill phase of the refrigeration cycle.
Explains how hot gas flows through the harvest valve to heat the evaporator.
Describes the prechill phase for remote models.
Explains the automatic shut-off mechanism for remote models.
Illustrates refrigeration system for remote models of specific Q-Series.
Questions to ask and initial checks before starting service.
Checklist for installation and visual inspection of the ice machine.
Analysis of evaporator ice formation patterns to diagnose malfunctions.
Discusses external factors causing safety limits to stop the machine.
Details safety limit #2 for harvest time exceeding 3.5 minutes.
Checklist for troubleshooting high discharge pressure during freeze cycle.
Checklist for troubleshooting low suction pressure during freeze cycle.
Tables correlating operational findings with potential problems.
Diagnostic steps for the HPR system.
Procedure to verify if the ice machine is low on refrigerant charge.
Explanation and diagnostics for PTCR components.
Details the relays on the control board and their functions.
Explains how the ice thickness probe works and its role in harvest initiation.
Offers troubleshooting steps for water trough overfilling during freeze cycle.
Describes the prechill phase of the refrigeration cycle.
Explains how hot gas flows through the harvest valve to heat the evaporator.
Describes the prechill phase for remote models.
Explains the automatic shut-off mechanism for remote models.
Illustrates refrigeration system for remote models of specific Q-Series.
Questions to ask and initial checks before starting service.
Checklist for installation and visual inspection of the ice machine.
Analysis of evaporator ice formation patterns to diagnose malfunctions.
Discusses external factors causing safety limits to stop the machine.
Details safety limit #2 for harvest time exceeding 3.5 minutes.
Checklist for troubleshooting high discharge pressure during freeze cycle.
Checklist for troubleshooting low suction pressure during freeze cycle.
Tables correlating operational findings with potential problems.
Diagnostic steps for the HPR system.
Procedure to verify if the ice machine is low on refrigerant charge.
Explanation and diagnostics for PTCR components.
Details the relays on the control board and their functions.
Explains how the ice thickness probe works and its role in harvest initiation.
Offers troubleshooting steps for water trough overfilling during freeze cycle.
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