McQuay MCK025A Installation Manual download pdf (Page 15)

1-14

Possible Opening Dimension For Duct Connection

Air Discharge Knock Out Hole

Air Intake Knock Out Hole

NOTE

• Avoid using the short duct on which the air discharge grille can be completely closed, to prevent evaporator freezing.

• In order to prevent condensation forming, be sure that there is sufficient thermal insulation and no leakage of cool

air when installing the short duct.

• Keep the introduction of fresh air intake within 20% of total air flow. Also provide a chamber and use a booster fan.

Sealing Material

• It is possible to seal one of the four air discharge outlet. (sealing two or more air discharge outlet could cause a malfunction)

• Remove the front panel and insert the sealing material into the air discharge outlet on the indoor unit to seal the air outlet.

• The sealing material is the same length as the longer air discharge outlet. If it is desired to seal the shorter air discharge

outlet, cut the sealing material to shorten it.

• Push the sealing material in about 10 mm beyond the bottom surface of the indoor unit so that it does not touch the air

louver. Be sure not to push the sealing material in any farther than about 10 mm.

INDICATOR LIGHTS

Remote Control

When there is infrared remote control operating signal, the signal receiver on indoor unit will make a <beep> for signal

acceptance confirmation.

Operating State And Fault Table

Wireless Remote Control

COOLING HEAT PUMP

POWER TIMER SLEEP POWER TIMER HEAT OPERATION / FAULTY INDICATION ACTION

/ / / / Power ON -

Room/Indoor/Outdoor (heat pump) Coil Call Your Dealer

Sensor Contact Loose/Short

Gas Leak Faulty/Compressor Overload Call Your Dealer

Condensate Water Overflow Call Your Dealer

Outdoor Defrost (heat pump only)

50 50 50 50 50 10

207020109

119 90

ﬂ100

PCD ﬂ140

115 20 115

COOLING HEAT PUMP

HMLCSTHMLCSTH OPERATION / FAULTY ACTION

I E O O L I I E O O L I E INDICATION

GDWOEMGDWOEMA

H LEEH LEET

PR PR

Room Sensor Contact Loose/Short Call Your Dealer

Indoor Coil Sensor Contact Loose/Short Call Your Dealer

Outdoor Coil Sensor Contact Loose/Short Call Your Dealer

Gas Leak Faulty Call Your Dealer

Compressor Overload Call Your Dealer

Condensate Water Overflow Call Your Dealer

Outdoor Defrost (heat pump only) Call Your Dealer

Wired Remote Control

ON / ON OR OFF BLINKING

CK20A(1-16)ENG 2/1/01, 10:15 AM14

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McQuay MCK025A Installation Manual Page 15

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