Argo AE4MI91AH Installation Instructions Manual Download Page 17

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5-4. Electric Wiring Diagram

GRN
/Y

BK
BK

BK (ORG)
BK (ORG)

GY
GY

W(BK)
GY
GY

GY
GY

Control panel

Inter-unit cables

Terminal board

Display/
receiver
panel

(GRN)

Fan motor

Flap motor

To
heat exchanger

(W)

(GRN)

(R)

(W)

Room temperature
sensor

Heat exchanger
temperature sensor

Humidity sensor

BK: Black
W: White
R: Red
GRN: Green
Y: Yellow
BL: Blue
GY: Gray

Fig. 27a

INDOOR UNIT

AWMI28AHL

Fig. 27b

Control panel

Terminal board

Display/
receiver
panel

(GRN)

Fan motor

Flap motor

(W)

(GRN)

(R)

(W)

BK: Black
W: White
R: Red
GRN: Green
Y: Yellow
BL: Blue
GY: Gray

Inter-unit cables

To
heat exchanger

Room temperature
sensor

Heat exchanger
temperature sensor

GRN
/Y

BK
BK

W(BK)
GY
GY
GY
GY

GY
GY

Humidity sensor

AWMI36/50AHL

Summary of Contents for AE4MI91AH

Page 1: ...ure with a Flare T ool 3 5 Caution before Connecting T ubes Tightly 3 6 Tubing Connections 3 7 Insulation of Refrigerant T ubing 3 8 Taping the T ubes 3 9 Finishing the Installation 3 10 Refrigerant Operation System 4 AIR PURGING 11 Air Purging with a V acuum Pump for T est Run Pump Down 5 WIRING INSTRUCTIONS 14 5 1 General Precautions on Wiring 5 2 Recommended Wire Length and Diameter 5 3 Wiring ...

Page 2: ...cking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added su...

Page 3: ...or A C workshop 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2 Cut each tube to the appropriate lengths 30 cm to 40 cm to dampen vibration between units Table 2 2 Foamed polyethylene insulation for the specified copper tubes as requir...

Page 4: ... maintenance as well as unrestricted air flow around the unit install the unit within the maximum elevation difference H1 H2 H3 H4 above or below the outdoor unit and within a total tubing length L1 L2 L3 L4 from the out door unit as detailed in Table 3 and Fig 1 Table 3 INDOOR UNIT 1 INDOOR UNIT 4 INDOOR UNIT 3 INDOOR UNIT 2 Tubing length L1 L2 L3 L4 Elevation difference H1 H2 H3 H4 OUTDOOR UNIT ...

Page 5: ...2 C Outdoor unit Indoor unit Union φ12 7 Flare φ9 52 φ12 7 D 28 36 types 28 36 types 28 36 types 50 type More than 17 m 2 Connecting indoor unit type 50 at D Length of tube more than 17 m φ6 35 φ6 35 φ6 35 φ6 35 φ9 52 φ9 52 φ9 52 φ9 52 φ9 52 A φ9 52 B φ9 52 C Outdoor unit Indoor unit Union φ9 52 Flare φ12 7 φ12 7 D φ12 7 φ9 52 Supplied Reducer 28 36 types 28 36 types 28 36 types 50 type 3 Connecti...

Page 6: ...and that will not magnify operating noise or vibration Fasten in place with the anchor bolts M10 provide a base using concrete or similar material and ensure proper drainage select a location where there is no danger of flammable gas leakage in snowy or rainy regions be sure to construct a roof to keep off the snow and rain and inhibit freez ing and condensation select a location that is at least ...

Page 7: ...ensions indicated by are ensured and where 2 or more faces of the unit are unobstructed In principle the top direction should be unobstructed A B C D Tubing panel Base not provided concrete or similar material Ensure 150 mm of space if a drain hose is to be used Fasten with anchor bolts not provided 3 8 or M10 4 locations Inspection panel Over 10 Over 500 Ground wire not provided Cable fastener Po...

Page 8: ...tdoor Unit Installation 3 Remove the tubing panel in order to attach covers as needed according to the number of indoor units Refer to 2 4 Diagram of Outdoor Unit Installation Be sure to prepare special R410A type tubes wall thick ness 0 8 mm except φ12 7 tube For φ12 7 tube wall thick ness should be 1 0 mm as shown in the table at right 3 3 Use of the Flaring Method Many conventional split system...

Page 9: ...length 3 5 Caution before Connecting Tubes Tightly a Be sure to apply a sealing cap or water proof tape to prevent dust or water from getting into the tubes before they are used b Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 11 c For proper connection align the union tube and flar...

Page 10: ...ng 1 clamp approx every 120 cm Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also be sure the condensation drain hose splits away from the bundle and drips clear of the unit and the tubing 3 9 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to pre vent rain and draft ...

Page 11: ...SSURE REDUCTION The low pressure liquid refrigerant passed through the capillary tube is sent to the evaporator for evaporation In this EVAPORATION process heat in the room is absorbed This cycle is repeated until the room temperature is lowered to the target level During the heating cycle the direction of refrigerant flow is reversed by a 4 way valve As a result the condenser draws heat from the ...

Page 12: ...ide tube service valve Fig 20 Hi Lo C B A D Service valve on narrow Service valve on wide tube side With push pin Hex wrench nominal size 4 mm not provided Manifold gauge special for R410A Low pressure valve Open Charging hose special for R410A Leave the valve open Vacuum pump adapter for preventing reverse flow special for R410A Vacuum pump High pressure valve Fig 20 Cap tightening torque 20 25 N...

Page 13: ...en apply the vacuum again 6 With a hex wrench turn the valve stem on the nar row tube service valve counter clockwise by 90 degrees 1 4 turn for 10 seconds and then turn the stem clockwise to close it again 7 With a standard screwdriver turn the wide tube service valve stem counterclockwise to fully open the valve 8 Turn the narrow tube service valve stem counter clockwise to fully open the valve ...

Page 14: ...e refrigerant cycle at the outdoor unit This work must be performed during cooling operation The refrigerant gas cannot be recovered during heating operation During winter or if the temperature sensor prevents cooling operation perform forced cooling operation Pump down procedure 1 Fully close the spindles at the valves on the narrow tube side of tubes A B C and D Refer to Fig 23 2 Connect the man...

Page 15: ...uctions 5 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulat...

Page 16: ...nit B Unit A Unit C Unit D Unit B Unit C Unit D A Terminal plate 16P Grounding line Power supply Single phase AC 220V 240V B Terminal plate 3P CAUTION Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit 5 3 Wiring System Diagram WARNING Be sure to comply with local codes on running the wire from the indoo...

Page 17: ...emperature sensor Humidity sensor BK BK Black W White R Red GRN Green Y Yellow BL Blue GY Gray Fig 27a INDOOR UNIT AWMI28AHL Fig 27b BK BK Control panel Terminal board Display receiver panel GRN Fan motor Flap motor W W W W GRN R W W BK Black W White R Red GRN Green Y Yellow BL Blue GY Gray Inter unit cables To heat exchanger Room temperature sensor Heat exchanger temperature sensor GRN Y BK W R B...

Page 18: ...P WHT Lamp 1 5P WHT Flap 1 5P WHT Flap 2 5P BLK R IN 5P BLK Lamp 2 5P WHT HUM 2P Red Room Coil 4P WHT SUP 5P BLK Controller Room thermistor Coil thermistor Humidity sensor Flap motor Upper Flap motor Lower WHT Power transformer IND lamp assy FM HH H M L LL FLP FM FLP BLK Terminal plate From Outodoor Unit AWMI70AHL Fig 27c ...

Page 19: ...PE TH6 MECHANICAL VALVE MVA MVD BOARD IN WIRE DEFROST VALVE DEF CONTROL PCB M U L T I P L E I N D O O R U N I T S H E A T P U M P O U T D O O R U N I T F O R F O U R R O O M G1 W W G2 UNIT A INDOOR W W L2 L1 WHT BLK GRN YEL GRN YEL FILTER PCB 7 9 CN35 WHT 3 1 5 SI TERMINAL BASE 3P WHT 6 6 7 7 WHT PAM PAM CN23 4 4 5 5 1 1 2 2 WHT CT CT WHT CN08 1 1 3 3 WHT PRY PRY RED CN21 2 2 1 1 CN01 WHT DC280 W ...

Page 20: ...e it on the termi nal plate and fix it securely with the removed ter minal screw using a screwdriver For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 10 mm and tightly twist the wire ends Figs 30b and 31a 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers secur...

Page 21: ... 2 4 BK W D Label D Inter unit cables φ1 0 not provided D is the indoor unit with refrigerant tubing that is connected to service valve D top of the outdoor unit Terminal board Terminal board D BK W 5 6 Wiring Instructions for the Outdoor Unit Be sure to correctly align inter unit cables A B C and D Be sure to perform grounding Attach a ground wire to either the outdoor unit or indoor unit If ther...

Page 22: ...ch unit If there is cold air mixed in with the warm air check the tubing connections again Checking tubing and wiring Perform the test run and check that operation is nor mal If there is an error in tubing or wiring the refriger ant may flow to indoor unit B when indoor unit A is operated for example Stop operation immediately if there is an error in tubing or wiring Turn the power breaker to OFF ...

Page 23: ...rely fixed The power cord and inter unit cables are not con nected anywhere along their paths The ground wire is securely connected An air purge of the refrigerant circuit has been con ducted A leak test of the tubing connections has been per formed Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properly Putty has been used to close the ...

Page 24: ...Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it COP INVERTER ARGO qxd 6 02 2004 16 07 Pagina 2 ...

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