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General| Capacity | Unknown |
|---|---|
| Type | Unknown |
| Energy Star Certified | Unknown |
| Defrost Type | Unknown |
| Number of Doors | Unknown |
Hazards and precautions during installation, start-up, and servicing.
Guidelines for indoor placement, ventilation, and clearances for controls.
Procedure for checking unit for damage or missing parts upon delivery.
Instructions for lifting and positioning 30HK, HL, and 30HW units.
Final placement, leveling, and securing of the unit to the floor or pad.
Procedure to check compressor mounting and self-locking nuts.
Details on shell-and-tube condensers, tube servicing, and zinc anodes.
Instructions for remote condensers and head pressure control.
Description of brazed-plate condensers and their construction.
Details on direct-expansion and brazed-plate coolers.
Requirements for field wiring, electrical data, and compressor wiring.
Instructions for installing and wiring the cooler flow switch accessory.
Description of components within the control box power and controls sections.
Procedure to check for and calculate phase voltage imbalance.
Critical safety warning to open all disconnects before servicing.
Steps for initial electrical checks before starting the unit.
Procedure for checking and adjusting compressor oil level.
Steps to perform during initial start-up and operation.
Safe operating temperature and voltage limits for the unit.
Information on pressure relief valve settings and locations.
Details on compressor overtemperature protection for 30HW units.
Description and function of the oil pressure safety switch.
How the high-pressure switch protects the compressor.
How the low-pressure switch protects the cooler and compressor.
Details on the temperature controller settings and operation.
Systems to prevent unit damage from freezing conditions.
Use of flow switch for protection against low fluid flow.
Description of the accessory ground fault sensor.
How the unit controls capacity and its start-up sequence.
Steps for replacing a compressor unit.
Explanation of circuit breaker protection and reset.
Procedures for replacing brazed-plate coolers and condensers.
Method for chemically cleaning brazed-plate heat exchangers.
Manual and chemical cleaning procedures for shell-and-tube condensers.
Instructions for replacing thermistors in 30HK and HL units.
Instructions for replacing thermistors in 30HW units.
Method for plugging leaky cooler tubes.
Procedures for retubing cooler heat exchangers.
Bolt torques and tightening sequence for cooler heads.
Unit restart after power restoration.
Unit behavior when the ON-OFF switch is opened.
Restart after correcting open auxiliary interlock contacts.
Restart after correcting loss of cooler fluid flow.
Troubleshooting and restart after low-pressure switch trip.
Unit shutdown due to temperature controller out-of-range condition.
Troubleshooting and restart after high-pressure switch trip.
Troubleshooting for 30HW units with thermal protection trip.
Troubleshooting and restart after oil pressure switch trip.
Troubleshooting for ground fault sensor activation.
Resetting circuit breakers for control circuit failures.
Unit shutdown when cooling load is met.
Troubleshooting steps for thermistor failures.
Fields for job name, location, contractor, and equipment details.
Pre-start checks for shipping damage, power supply, and wiring.
Continued checks for electrical connections and air systems.
Requirements for cooler loop protection and brine.
How to check and determine cooler pressure drop.
Requirements for condenser water inlet strainers.
Step-by-step instructions to start the chiller.
Key parameters to measure during stable operation.
