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Installation Instructions

40MKCF / 24AHA4 / 124ANS

40MKQF / 25HHA4 / 224ANS

Under Ceiling/Floor Console Ductless System

Sizes 18 to 54

Fig. 1 -- Indoor Unit, Outdoor Unit, and Remote Control

NOTE

:

Read the entire instruction manual before starting the

installation.

TABLE OF CONTENTS
SAFETY CONSIDERATIONS

1

PARTS LIST

2

DIMENSIONS -- INDOOR

3

DIMENSIONS -- OUTDOOR

4

CLEARANCES -- INDOOR

6

CLEARANCES -- OUTDOOR

6

SYSTEM REQUIREMENTS

6

INSTALLATION

8

INSTALL INDOOR UNIT

8

INSTALL OUTDOOR UNIT

11

ELECTRICAL DATA

15

START--UP

19

TROUBLESHOOTING

22

!

WARNING

UNIT OPERATION AND SAFETY HAZARD

Failure to follow this warning could result in personal injury or

equipment damage.
Puron refrigerant systems operate at higher pressures than

standard R--22 systems. To avoid damage to the unit or

possible personal injury, do not use R--22 service equipment or

components on Puron refrigerant equipment.

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance,

or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property

damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified

installer or agency must use factory--authorized kits or accessories

when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing, and
work gloves. Use quenching cloth for brazing operations. Have a fire

extinguisher available. Read these instructions thoroughly and follow

all warnings or cautions included in the unit literature and on labels
attached to the unit. Consult local building codes and current editions

of the National Electrical Code ( NEC ) NFPA 70. In Canada, refer to
current editions of the Canadian electrical code CSA 22.1.

Recognize safety information. This is the safety--alert symbol

!!

When you see this symbol on the unit and in instructions or manuals,
be alert to the potential for personal injury. Understand these signal

words;

DANGER

,

WARNING

, and

CAUTION

. These words are

used with the safety--alert symbol.

DANGER

identifies the most

serious hazards which

will

result in severe personal injury or death.

WARNING

signifies hazards which

could

result in personal injury or

death.

CAUTION

is used to identify unsafe practices which

may

result in minor personal injury or product and property damage.

Summary of Contents for 40MKCF

Page 1: ...ce agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individ...

Page 2: ...3 124ANS018000 40MKCB18F 3 24 24AHA424A003 124ANS024000 40MKCB34F 3 30 24AHA430A003 124ANS030000 40MKCB34F 3 34 24AHA436A003 5 6 124ANS036000 40MKCB34F 3 48 24AHA448A003 5 6 124ANS048000 40MKCB54F 3 5...

Page 3: ...S INDOOR Unit W D H Hook D W Bracket A0150266 Fig 6 440MKCB F 40MKQB F Unit and Bracket Dimensions Table 4 Dimensions Indoor INDOOR UNIT SIZE BTU Hr HEIGHT H in mm WIDTH W in mm DEPTH D in mm OPERATIN...

Page 4: ...S OUTDOOR Fig 7 Outdoor Unit Dimensions NOTE S Center of Gravity S All dimensions are in inches unless noted Table 5 Dimensions Outdoor UNIT SIZE MINIMUM MOUNTING PAD DIMENSIONS 18 24 23 x 42 30 36 48...

Page 5: ...5 Table 6 Dimensions ACs Table 7 Dimensions SI ACs Table 8 Dimensions HPs 2 224ANS030000 224ANS036000 224ANS048000 Table 9 Dimensions SI HPs 224ANS030000 224ANS036000 224ANS048000 Legend X Yes 0 No...

Page 6: ...tion to prevent recirculation of discharge air SYSTEM REQUIREMENTS Clearances Allow sufficient space around the indoor and outdoor unit for proper airflow circulation and servicing Refer to Fig 8 and...

Page 7: ...ting cable consists of three 3 wires Two wires are high voltage AC power and one is a ground wire Consult your local building codes and the NEC National Electrical Code or CEC Canadian Electrical Code...

Page 8: ...nstall indoor units near a direct source of heat such as direct sunlight or a heating appliance S Do not install units too close to humid conditions S Where an optimum air distribution is ensured S Wh...

Page 9: ...TXV kit Flexible piping is recommended CAUTION Failure to follow the following caution may result in equipment damage or improper operation Insulate liquid and vapor pipes connecting to indoor and out...

Page 10: ...to each suspension bolts making space for hanging the indoor unit S Hang the indoor unit to the suspension bolts between two nuts see Fig 18 S Screw the nuts to suspend the unit S Adjust level of the...

Page 11: ...adient of 2 without obstruction see Fig 20 DO NOT install the drainpipe to an upward position It may cause water to flow back to the unit S Make a trap of at least 2 in 51 mm in depth to prevent unple...

Page 12: ...y damage the compressor at start up When more than 80 ft 24 4 m of interconnecting tubing is used consult the Residential Long Line Application Guide for required accessories 3 Insulate both lines A m...

Page 13: ...njury or death Before performing service or maintenance be sure indoor unit main power switch is turned OFF and indoor blower has stopped Lock out and tag switch with a suitable warning label Power Wi...

Page 14: ...the unit side panel and connect to the control terminal strip using either Fig 28 for AC units or Fig 29 for Heat Pump units A150280 Fig 28 40MKCB F 24AHA4 or 124ANS Connecting Diagram A150282 Fig 29...

Page 15: ...9 30 48 3 117 21 8 1 45 28 8 50 36 5 208 230 3 253 197 71 9 3 1 2 12 8 20 48 5 83 1 13 7 1 45 18 6 30 36 6 460 3 506 414 38 5 6 0 6 7 6 15 48 6 41 6 2 0 8 8 6 15 Table 20 40MKCB F Electrical Data INDO...

Page 16: ...re L1 Nullline L2 interface 24V interface CN 20 Network module interface CN 12 Vertical swing motor interface CN 13 horizontalswing motor interface CN 10 Display boardinterface CN 15 Compressor signal...

Page 17: ...N2 3 Transformer CN25 Controls signal interface R C CN7 Sens or LivewireL1 NulllineL2 interface 24V interface CN20 Networkmodule interface CN12 Verticalswingmotor interface CN13 horizontalswingmotor i...

Page 18: ...18 OUTDOOR UNIT SCHEMATIC DIAGRAM Fig 36 25HHA4 224ANS Wiring Diagram 208 230V 1 Phase Fig 37 25HHA4 224ANS Wiring Diagram 208 230V 3 phase...

Page 19: ...19 Fig 38 225HHA4 224ANS Wiring Diagram 460V 3 phase...

Page 20: ...nect switch to the unit s control box Use copper wire only between the disconnect switch and unit 5 If any accessories are being installed refer to the individual accessory instructions for guidance o...

Page 21: ...ect manifold gage charge hose to a charge port of the low side service valve see Fig 43 2 Connect charge hose to vacuum pump 3 Fully open the low side of manifold gage see Fig 44 4 Start vacuum pump 5...

Page 22: ...t mode the unit will run in cooling and heating on heat pumps regardless if there is demand or not TEST OPERATION FOR UNDER CEILING CONSOLE Perform test operation after completing gas leak and electri...

Page 23: ...down Procedure The system may be pumped down in order to make repairs on the low side without losing complete refrigerant charge 1 Attach pressure gage to suction service valve gage port 2 Front seat...

Page 24: ...s NO MALFUNCTION RUNNING LAMP TIMER LAMP DEFROSTING LAMP ALARM LAMP DISPLAY DIGITAL TUBE 1 Open or short circuit of T1 temperature sensor X X X E2 2 Open or short circuit of T2 temperature sensor X X...

Page 25: ...w or too high Check temperature setting Outdoor unit fan faulty Replace outdoor fan Air or other non condensable gasses in the circuit Drain refrigerant evacuate and recharge CAUTION Do not vent refri...

Page 26: ...0 W Morris St D Indianapolis IN 46231 Edition Date 10 15 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 40MKC Q B F...

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