Trouble Shooting Guide

Problem		Probable cause		Remedy
Problem		Probable cause		Remedy

A. The air conditioner does not run.	1. Power failure.		1.	Wait for power resume.
	2.	Fuse blown or circuit breaker	2.	Replace the fuse or reset the
		open.		breaker.
	3.	Voltage is too low.	3.	Find the cause and fix it.
	4.	Faulty contactor or relay.	4.	Replace the faulty component.
	5.	Electrical connections loose.	5.	Retighten the connection.
	6.	Thermostat adjustment too low	6.	Check thermostat setting.
		(in heating mode) or too high
		(in cooling mode).
	7.	Faulty capacitor.	7.	Find the cause then replace
				capacitor.
	8.	Incorrect wiring, terminal loose.	8.	Check and retighten.
	9.	Pressure switch tripped.	9.	Find the cause before reset.

B. The outdoor fan runs but the	1. Motor winding cut or grounded.		1.	Check the wiring and the
compressor will not start.				compressor winding resistance.
	2.	Faulty capacitor.	2.	Find the cause then replace
				capacitor.

C. There is insufficient heating or	1. There is a gas leak.		1.	Remove charge, repair, evacuate
cooling.				and recharge.
	2.	Liquid and gas line insulated	2.	Insulate them separately.
		together.
	3.	The room was probably very hot	3.	Wait while unit has enough time to
		(cool) when you started the		cool the room.
		system.

D. The compressor runs continuously.	1. Thermostat adjustment too low		1.	Check thermostat setting.
		(in heating mode) or too high
		(in cooling mode).
	2. Faulty fan.		2.	Check condenser air circulation.
	3.	Refrigerant charge too low, leak.	3.	Find leak, repair and recharge.
	4.	Air or incondensables in	4.	Remove charge, evacuate and
		refrigerant circuit.		recharge.

E. The compressor starts but shuts	1. Too much or too little refrigerant.		1.	Remove charge, evacuate and
down quickly.				recharge.
	2.	Faulty compressor.	2.	Determine the cause and replace
				compressor.
	3.	Air or incondensables in	3.	Remove charge, evacuate and
		refrigerant circuit.		recharge.
	4.	Changeover valve damaged or	4.	Replace it.
		blocked open (heat pump unit).

F. Clicking sound is heard from	In heating or cooling operation any		In heating or cooling operation any
the air conditioner.	plastic parts may expand or shrink		plastic parts may expand or shrink due
	due to a sudden temperature change		to a sudden temperature change in this
	in this event, a clicking sound may		event, a clicking sound may occur.
	occur.

ENGLISH 17

J199.pmd

31/03/2005, 9:54 PM

MLCA-MLHA-07-24 specifications

York MLCA-MLHA-07-24 is a high-efficiency, cutting-edge variable refrigerant flow (VRF) system designed for both commercial and residential applications. This air conditioning solution embodies the latest advancements in HVAC technology, presenting significant energy-saving capabilities, versatile installation options, and enhanced user comfort.

One of the standout features of the York MLCA-MLHA-07-24 is its advanced inverter compressor technology. This technology allows the system to adjust its cooling or heating output based on the specific demands of the space, ensuring optimal energy use and maintaining desired indoor temperatures. By varying the compressor speed, the unit minimizes wear and tear on components, leading to a longer operational lifespan and reduced maintenance needs.

Another key characteristic of the MLCA-MLHA-07-24 is its multi-zone capability, which allows for efficient climate control in multiple rooms or areas. This flexibility permits individual temperature settings for different spaces, enhancing comfort for occupants while optimizing energy consumption. The system can support several indoor units connected to a single outdoor unit, making it ideal for various building layouts and sizes.

In terms of efficiency, the York MLCA-MLHA-07-24 boasts an impressive SEER (Seasonal Energy Efficiency Ratio) rating, which is indicative of its ability to cool spaces with minimal energy use. This promotes not only lower utility bills for end users but also contributes to a reduced carbon footprint, making it an environmentally friendly option in HVAC systems.

The system is also designed with quiet operation in mind. It features sound-dampening technologies that significantly lower noise levels, making it suitable for use in noise-sensitive environments. This is particularly beneficial in commercial settings such as offices, restaurants, and healthcare facilities where a peaceful atmosphere is essential.

Furthermore, the MLCA-MLHA-07-24 incorporates advanced controls with smart technology compatibility. Users can easily manage their indoor climate through mobile apps or smart home systems, providing convenience and the ability to monitor energy usage in real-time. This capability is rapidly becoming a necessity as energy management and sustainability become more significant priorities for consumers and businesses alike.

In conclusion, the York MLCA-MLHA-07-24 represents a synthesis of innovation, efficiency, and user-friendly operation. Its key technologies and characteristics make it a prime choice for those seeking to enhance their indoor environments through sophisticated HVAC solutions that prioritize comfort, sustainability, and convenience.

TROUBLE SHOOTING GUIDE

Problem

Probable cause

Remedy

MLCA-MLHA-07-24 specifications