Argo CAFM1V Series Installation Instructions Manual

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Models R410A

Indoor units

Indoor unit type

CAFM1V**

1-Way Air Discharge

semi-concealed

CAFM1VS**

1-Way Air Discharge

semi-concealed slim

CAFM2V**

2-Way Air Discharge

semi-concealed

CAFM*

4-Way Air Discharge

semi-concealed

MAFM

Wall-mounted

SPAFM

Ceiling-mounted

DSAFM

Concealed-Duct

DSAFMHP**

high static pressure

Floor standing

KFM**

KFMNC**

Concealed-Floor

standing

KPAFM*

Floor standing

SDAFM*

Slim Ducted

* For these types of Indoor unit, please see the Installation Instructions accompanying the unit

** These types of Indoor unit are not available

Outdoor units

GRFMI Main Unit (Inverter)

GRFM "Constant Speed" unit (Sub)

Refrigerant R410A is used in the Outdoor units .

Optional controllers

Wired Remote Controller

Wireless Remote Controller (for CAFM type)

Wireless Remote Controller (for KPAFM type)

Wireless Remote Controller (for SPAFM type)

Wireless Remote Controller+receiver for all types of Indoor units

Wireless Remote Controller (for MAFM type)

Simplified Remote Controller

Remote sensor

System Controller

Schedule timer

INSTALLATION INSTRUCTIONS

MULTISET System - 2 WAY

DC Inverter R410A

CAFM1V74R

CAFM1V94R

CAFM1V124R

CAFM1VS94R CAFM1VS124R

CAFM1VS74R

CAFM2V94R

CAFM2V124R

CAFM75R

CAFM95R

CAFM125R

MAFM75R

MAFM95R

MAFM125R

SPAFM124R**

DSAFM75R*

DSAFM95R*

DSAFM125R*

KFM74R

KFM94R

KFM124R

KFMNC74R

KFMNC94R

KFMNC124R

KPAPM75R

KPAFM95R

KPAPM125R

SDAFM76R

SDAFM96R

SDAFM126R

GRFMI 605 R, GRFMI 705 R, GRFMI 905 R, GRFMI 1155 R

GRFM 705 R, GRFM 905 R, GRFM 1155 R

CAFM1VS184R

CAFM2V184R

CAFM2V254R

CAFM165R

CAFM185R

MAFM185R

SPAFM184R**

DSAFM165R*

DSAFM185R*

DSAFM225R*

KFM184R

KFMNC184R

KPAFM165R

KPAFM185R

KPAFM225R

SDAFM166R

SDAFM186R

SDAFM226R

K70D036Z

K70D037Z

K70D038Z

K70D040Z

K70D039Z

K70D041Z

K70D042Z

K70D050Z

K70D043Z

K70D046Z

CAFM1VS254R

CAFM255R

CAFM365R

CAFM485R

MAFM255R

SPAFM255R

SPAFM365R

SPAFM485R

DSAFM255R

DSAFM365R

DSAFM485R

DSAFMHP254R DSAFMHP364R DSAFMHP484R

KFM254R

KFMNC254R

CAFM1V

CAFM1VS

CAFM2V

CAFM

MAFM

SPAFM

DSAFM

DSAFMHP

KFM

KFMNC

GRFMI

GRFM

Table of Contents

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Summary of Contents for Argo CAFM1V Series

Page 1 INSTALLATION INSTRUCTIONS CAFM1V MULTISET System - 2 WAY DC Inverter R410A Models R410A Indoor units CAFM1VS Indoor unit type CAFM1V** 1-Way Air Discharge CAFM1V74R CAFM1V94R CAFM1V124R semi-concealed CAFM2V CAFM1VS** 1-Way Air Discharge CAFM1VS94R CAFM1VS124R CAFM1VS184R CAFM1VS254R semi-concealed slim CAFM2V** CAFM1VS74R CAFM2V94R CAFM2V124R CAFM2V184R...
Page 2: Important
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 2 IMPORTANT! Please Read Before Starting When Installing… …In a Room This air conditioning system meets strict safety and operat- ing standards. As the installer or service person, it is an Properly insulate any tubing run inside a room to prevent important part of your job to install or service the system so it “sweating”...
Page 3: Check Of Density Limit
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 3 Check of Density Limit 2. The standards for minimum room volume are as follows. The room in which the air conditioner is to be (1) No partition (shaded portion) installed requires a design that in the event of refrigerant gas leaking out, its density will not exceed a set limit.
Page 4: Precautions For Installation Using New Refrigerant
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 4 Precautions for Installation Using New Refrigerant 1. Care regarding tubing 1-1. Process tubing Material: Use C1220 phosphorous deoxidized copper specified in JIS H3300 “Copper and Copper Alloy Seam- less Pipes and Tubes.” For tubes of φ19.05 or larger, use C1220 T-1/2H material or H material, and do not bend the tubes. Tubing size: Be sure to use the sizes indicated in the table below.
Page 5: New Refrigerant R410A Cannot Be Used For Earlier Models
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 5 3-2. Use R410A exclusive cylinder only. Valve Single-outlet valve (with siphon tube) Liquid refrigerant should be recharged with the cylinder standing on end as shown. Liquid New refrigerant R410A cannot be used for earlier models. 1.
Page 6: Table Of Contents
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 6 CONTENTS Page Page I 4-Way Air Discharge Semi-Concealed Type IMPORTANT ......2 Please Read Before Starting (CAFM Type) .
Page 7 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 7 Page Page 4. HOW TO INSTALL THE OUTDOOR UNIT . . .79 10. TEST RUN ......109 4-1.
Page 8: General
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 8 1. GENERAL Check local electrical codes CAUTION This booklet briefly outlines where and how to install and regulations before the air conditioning system. Please read over the obtaining wire. Also, check entire set of instructions for the indoor and outdoor any specified instructions units and make sure all accessory parts listed are or limitations.
Page 9 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 9 Table 1-1 (1-Way Air Discharge Semi-Concealed) Part Name Figure Q’ty Remarks Flare insulator For wide and narrow tubes (Black) For wide and narrow tubes Insulating tape (White) For wide and narrow tube flare nuts Vinyl clamp For flare insulator Hose band...
Page 10 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 10 Table 1-3 (2-Way Air Discharge Semi-Concealed) Part Name Figure Q’ty Remarks Flare insulator For wide and narrow tubes Insulating tape (White) For wide and narrow tube flare nuts Vinyl clamp For flare insulator and drain insulator Hose band For securing drain hose Packing...
Page 11 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 11 Table 1-6 (Ceiling-Mounted) Part Name Figure Q’ty Remarks Special washer For temporarily suspending indoor unit from ceiling Drain insulator For drain hose joint Flare insulator 2 sets For wide and narrow tube joints White Insulating tape For wide and narrow flare joints...
Page 12 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 12 Table 1-8 (Concealed-Duct High Static Pressure) Part Name Figure Q’ty Remarks For suspending indoor unit from ceiling Special washer For wide and narrow tubes Flare insulator For drain pipe connection Drain socket For increasing size of narrow tube from φ6.35 to Tube connector φ9.52 mm (only for 25 type) Table 1-9 (Floor-Standing &...
Page 13: Tubing Size
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 13 1-5. Tubing Size Table 1-11a Main Tubing Size (LA) Unit: mm 16.0 22.4 33.5 40.0 45.0 50.4 56.0 61.5 68.0 73.0 78.5 85.0 90.0 96.0 28.0 Total system horsepower Combined – – (10) –...
Page 14: Straight Equivalent Length Of Joints
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 14 Table 1-13 Indoor Unit Tubing Connection ( Unit: mm Indoor unit type Wide tubing (mm) ø19.05 ø22.22 ø12.7 ø15.88 Narrow tubing (mm) ø6.35 ø9.52 Note: Use C1220T-1/2H material for tubing over φ19.05. 1-6. Straight Equivalent Length of Joints Design the tubing system by referring to the following table for the straight equivalent length of joints.
Page 15: Combination Outdoor Units
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 15 Table 1-17 Refrigerant Charge Amount at Shipment (for outdoor unit) GRFMI 605 R GRFMI 705 R GRFMI 905 R GRFMI 1155 R (kg) 10.0 10.0 10.0 – GRFM 705 R GRFM 905 R GRFM 1155 R (kg) –...
Page 16: Tubing Length
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 16 1-10. Tubing Length Select the installation location so that the length and size of refrigerant tubing are within the allowable range shown in the figure below. Main tubing length LM = LA + LB … ≤ 80 m Main distribution tubes LC –...
Page 17: Check Of Limit Density
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 17 Always check the gas den- WARNING sity limit for the room in which the unit is installed. 1-11. Check of Limit Density Minimum indoor volume & floor area as against the amount of refrigerant is roughly as given in the follow- When installing an air conditioner in a room, it is neces- ing table.
Page 18: Optional Distribution Joint Kits
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 18 1-13. Optional Distribution Joint Kits See the installation instructions packaged with the distribution joint kit for the installation procedure. Table 1-21 Model name Cooling capacity after distribution Remarks 1. K70A059Z 68.0 kW or less For outdoor unit 2.
Page 19 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 19 3. K70A056Z Use: For indoor unit (Capacity after distribution joint is 22.4 kW or less.) Example: (F below indicates inner diameter. below indicates outer diameter.) Wide tube Narrow tube Insulator Insulator 4. K70A057Z Use: For indoor unit (Capacity after distribution joint is greater than 22.4 kW and no more than 68.0 kW.) Example: (F below indicates inner diameter.
Page 20: Optional Ball Valve Kits
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 20 1-14. Optional Ball Valve Kits Table 1-26 Valve connecting tube size (mm) Indoor unit where used Model No. Outdoor unit where used Total capacity of indoor units Wide tube Narrow tube Balance valve after the valve BV-RXP335AG 25.4...
Page 21 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 21 Ball Valve Installation (for refrigerant R410A only) Check the size of the ball valve set you separately purchased. Valves with φ 19.05, φ 22.22, or φ 25.4 connections are brazing type. Model name Size φ...
Page 22 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 22 3. Opening and closing the valve This valve is open at the time of shipment from the factory. If the valve is used for extension, be sure to close it. Valve opened Valve closed Spindle Spindle 4.
Page 23: Recommended Location Of Ball Valves
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 23 1-15. Recommended Location of Ball Valves It is recommended that a ball valve kit be installed for each outdoor unit. Select a valve location that allows service to be easily provided for each unit or each refrigerant system. (1) When adding ball valve for indoor unit 1.
Page 24: Example Of Tubing Size Selection And Refrigerant Charge Amount
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 24 1-16. Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 1-11a, 11b, 12, 13 and 16, use the narrow tubing size and length, and calculate the amount of additional refrigerant charge using the formula below.
Page 25 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 25 Obtain narrow tubing size from Tables 1-11a, 11b, 12, 13 and 16. Main tubing LO = φ15.88 m (Total capacity of outdoor unit is 50.4 kW) LA = φ19.05 m (Total capacity of indoor unit is 88.4 kW) The longest tubing length in this example LB = φ19.05 m (Total capacity of indoor unit is 77.2 kW) (LM = 40 + 5 = 45 m)
Page 26: Selecting The Installation Site
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 26 Ceiling-Mounted Type 2. SELECTING THE INSTALLATION SITE Ceiling 2-1. Indoor Unit Wall AVOID: areas where leakage of flammable gas may be min. 25 cm min. 25 cm expected. Front view places where large amounts of oil mist exist. NOTE direct sunlight.
Page 27: Outdoor Unit
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 27 2-2. Outdoor Unit Exhaust fan AVOID: Hot air heat sources, exhaust fans, etc. Heat damp, humid or uneven locations source Out- indoors (no-ventilation location) door unit choose a place as cool as possible. choose a place that is well ventilated.
Page 28: Shield For Horizontal Exhaust Discharge
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 28 2-3. Shield for Horizontal Exhaust Discharge It is necessary to install an air-discharge chamber (field supply) to direct exhaust from the fan horizontal- ly if it is difficult to provide a minimum space of 2 m between the air-discharge outlet and a nearby obsta- cle.
Page 29: Dimensions Of Wind Ducting
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 29 2-6. Dimensions of Wind Ducting Reference diagram for air-discharge chamber (field supply) - 1 705 / 905 / 1155 unit Air direction: Front direction example Unit: mm Note: Can be installed so that the air direction is to the front or rear direction. 605 unit Air direction: Front direction example Unit: mm...
Page 30 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 30 Reference diagram for air-discharge chamber (field supply) - 2 705 / 905 / 1155 unit Unit: mm 605 unit Unit: mm...
Page 31: Dimensions Of Snow Ducting
04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 31 2-7. Dimensions of Snow Ducting Reference diagram for snow-proof vents (field supply) - 1 705 / 905 / 1155 unit Air direction: Front direction example Unit: mm Note: Can be installed so that the air direction is to the front or rear direction. 605 unit Air direction: Front direction example Unit: mm...
Page 32 04-408 InveterW_Techn_a-p50 12/16/04 3:12 PM Page 32 Reference diagram for snow-proof vents (field supply) - 2 Part name Model No. Q'ty Air direction chamber STK-DR280A Air intake duct STK-BDR280A Air intake duct (front) STK-BDR280AF Spacer 3 (with 6 separate parts) STK-BDR Unit: mm...
Page 33: How To Install The Indoor Unit
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 33 3. HOW TO INSTALL THE INDOOR UNIT I 1-Way Air Discharge Semi-Concealed Type Unit: mm 780 (Ceiling opening dimension) (CAFM1V Type) 652 (Suspension bolt pitch) 3-1. Suspending the Indoor Unit (1) Follow the diagrams to make the holes in the ceil- ing.
Page 34: Placing The Unit Inside The Ceiling
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 34 If the system requires fresh air to be drawn into the unit, Unit: mm cut and remove the insulation (both externally and inter- nally) at the location shown as in Fig. 3-5. When making the cuts to CAFM1V the insulation, be careful CAUTION...
Page 35: Installing The Drain Piping
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 35 (4) Adjust the distance between the unit and the opening in the ceiling to give clearances of 15 mm in the front and back directions and 70 mm in the right and left directions so that the height between CAFM1V the bottom surface of the flange of the unit and the bottom surface of the ceiling is 37 mm, and the...
Page 36 04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 36 CAUTION Air bleeder CAFM1V Do not install an air bleeder as this may cause water to spray from the drain pipe outlet. (Fig. 3-12) If it is necessary to increase the height of the drain pipe, the section directly after the con- nection port can be raised a maximum of 50 Fig.
Page 37: Checking The Drainage
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 37 3-4. Checking the Drainage After wiring and drain piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth CAFM1V Siphon pump to catch and wipe up spilled water.
Page 38: I 1-Way Air Discharge Semi-Concealed Slim Type (Cafm1Vs Type)
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 38 I 1-Way Air Discharge Semi-Concealed Slim Front face Type (CAFM1VS Type) 3-5. Suspending the Indoor Unit (1) Place the full-scale diagram (supplied) on the ceil- Rear ing at the spot where you want to install the indoor unit.
Page 39: Placing The Unit Inside The Ceiling
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 39 (5) If the system requires fresh air to be drawn into Unit: mm the unit, cut and remove the insulation (both exter- nally and internally) at the location shown as in Fig. 3-22. 3-6.
Page 40: Installing The Drain Piping
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 40 3-7. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 32 mm) for Align the hose band with end of the the drain and use the supplied drain hose and hose hose, and tighten so that it does not band to prevent water leaks.
Page 41 04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 41 Air bleeder prohibited CAUTION Do not install an air bleeder as this may cause water to spray from the drain pipe outlet. Fig. 3-27 (Fig. 3-27) If it is necessary to increase the height of the drain 30 cm or less CAFM1VS pipe, the pipe can be raised a maximum of 59 cm...
Page 42 04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 42 (4) When the check of drainage is complete, open the check pin (CHK) and remount the insulator. Use 4 × × 8 tapping screws to CAUTION fasten cover drainage. If the screws used are longer than 8 mm, it may make a hole in the drain pan and CAFM1VS...
Page 43: I 2-Way Air Discharge Semi-Concealed Type
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 43 I 2-Way Air Discharge Semi-Concealed Type (CAFM2V Type) 3-9. Suspending the Indoor Unit (1) Follow the diagrams to make the holes in the ceil- Center of panel and ceiling ing. opening Table 3-2 Unit: mm 7, 9, 12, 18 1,020...
Page 44: Placing The Unit Inside The Ceiling
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 44 (5) If the system requires fresh air to be drawn into the unit, cut and remove the insulation (both exter- nally and internally) at the location shown as in Fig. 3-38. When making the cuts to the insulation, be careful not to CAUTION damage the drain pan.
Page 45 04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 45 (2) After checking the drainage, wrap the supplied Drain insulator (supplied) packing and drain pipe insulator around the pipe, then secure it with the supplied clamps. (Fig. 3-42) NOTE Make sure the drain pipe has a downward gradient Vinyl clamps (1/100 or more) and that there are no water traps.
Page 46: Checking The Drainage
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 46 3-12. Checking the Drainage After wiring and drain piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. (1) Connect power to the power terminal board (R, S terminals) inside the electrical component box.
Page 47: I 4-Way Air Discharge Semi-Concealed Type (Cafm Type)
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 47 I 4-Way Air Discharge Semi-Concealed Type (CAFM Type) Note: For DC Fan Tap Change Procedure for 4-Way Cassette, see page 139. 3-13. Preparation for Suspending This unit uses a drain pump. Use a carpenter’s level to check that the unit is level.
Page 48: Placing The Unit Inside The Ceiling
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 48 3-15. Placing the Unit Inside the Ceiling (1) When placing the unit inside the ceiling, determine the pitch of the suspension bolts using the sup- plied full-scale installation diagram. (Fig. 3-51) Tubing and wiring must be laid inside the ceiling when suspending the unit.
Page 49: Installing The Drain Piping
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 49 3-16. Installing the Drain Piping (1) Prepare a standard hard PVC pipe (O.D. 32 mm) for the drain and use the supplied drain hose and hose band to prevent water leaks. Hard PVC The PVC pipe must be purchased separately.
Page 50: Checking The Drainage
04-408 InveterW_Techn_a-p50 12/16/04 3:13 PM Page 50 If it is necessary to increase the height of CAUTION the drain pipe, the sec- tion directly after the 30 cm or less (as short as possible) connection port can be 64 cm or less raised a maximum of 64 cm.
Page 51: I Wall-Mounted Type (Mafm Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 51 I Wall-Mounted Type (MAFM Type) 3-18. Removing the Rear Panel from the Unit (1) Remove the set screws used to fasten the rear panel to the indoor unit during transportation. (2) Press up on the frame at the 2 locations shown by Screws used during the arrows in the figure at right, and remove the transportation...
Page 52: Installing The Rear Panel Onto The Wall
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 52 3-20. Installing the Rear Panel onto the Wall Confirm that the wall is strong enough to support the unit. See either Item a) or b) below depending on the wall type. a) If the Wall is Wooden (1) Attach the rear panel to the wall with the 10 screws Fig.
Page 53: Preparing The Tubing
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 53 3-22. Preparing the Tubing Frame (1) Arrangement of tubing by directions a) Right or left tubing Right tubing outlet The corner of the right or left frame should be cut with a hack saw or similar. (Fig. 3-72) b) Right-rear or left-rear tubing When left and right side tubing In this case, the corners of the frame do not...
Page 54: Installing The Drain Hose
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 54 Left or left-rear tubing (1) Pass the tubing and drain hose into the rear of the indoor unit. Provide sufficient length for the con- nections to be made. Insulation Next, bend the tubing with a pipe bender, and con- Fig.
Page 55: I Ceiling-Mounted Type (Spafm Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 55 I Ceiling Mounted Type (SPAFM Type) 3-25. Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit Length Type Air intake 12, 18 1125 1180 Ceiling side 36, 48 1540 1595 27.5...
Page 56: Suspending The Indoor Unit
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 56 (4) Wall and ceiling side opening position Figure shows view from front Figure shows view from top Ceiling Wall φ100 ceiling opening φ100 wall side opening φ100 wall side opening Unit: mm φ100 ceiling opening (for left-side drain hose) * If the optional drain up kit is installed, create a φ100 hole along the dotted line (part marked with * in figure).
Page 57 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 57 (5) Before suspending the indoor unit, remove the 2 Pull out the or 3 screws on the latch of the air-intake grilles, air-intake grille pushing claws open the grilles, and remove them by pushing the Hinge of the hinges claws of the hinges as shown in Fig.
Page 58 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 58 b) Lift the indoor unit, and place it on the washers through the notches, in order to fix it in place. (Fig. 3-90) c) Tighten the 2 hexagonal nuts on each suspen- sion bolt to suspend the indoor unit as shown in Fig.
Page 59: Duct For Fresh Air
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 59 3-27. Duct for Fresh Air Rear outlet port There is a duct connection port (knock-out hole) at Outside air intake duct Remote controller the right-rear of the top panel of the indoor unit for connection port wiring inlet port (φ100, knock-out)
Page 60 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 60 If other commercially available hose bands are used, the drain hose may become pinched or wrin- kled and there is danger of water leakage. There- Min. 1/100 fore be sure to use the supplied hose bands. When sliding the hose bands, be careful to avoid scratch- ing the drain hose.
Page 61 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 61 How to carry out power supply wiring (1) Wiring connection ports The power inlet ports are located at the rear and top. The remote controller wiring inlet ports are located at the rear and top (for use with the wired remote con- troller).
Page 62: Required Minimum Space For Installation And Service
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 62 I Concealed-Duct Type (DSAFM Type) 3-30. Required Minimum Space for Installation and A (Suspension bolt pitch) Electrical Service component box This air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible. Only Inspection access Indoor unit...
Page 63: Suspending The Indoor Unit
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 63 3-31. Suspending the Indoor Unit Depending on the ceiling type: • Insert suspension bolts as shown in Fig. 3-100 Hole-in-anchor Hole-in-plug Concrete Insert • Use existing ceiling supports or construct a suit- able support as shown in Fig. 3-101. It is important that you use WARNING extreme care in supporting...
Page 64: Installing The Drain Piping
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 64 Fig. 3-104 shows an example of installation. Bolt anchor Air outlet duct Suspension bolt Air-intake duct Air-outlet grille Ceiling material Indoor unit Air-intake grille Fig. 3-104 3-32. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 32 mm) for the drain and use the supplied hose band to pre- Align the hose band with end of the vent water leaks.
Page 65: Checking The Drainage
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 65 Do not install an air bleed- Air bleeder er as this may cause water CAUTION to spray from the drain pipe outlet. (Fig. 3-106) Prohibited If it is necessary to increase the height of the Fig.
Page 66: Increasing The Fan Speed
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 66 3-34. Increasing the Fan Speed Electrical component box If external static pressure is too great (due to long Booster cable extension of ducts, for example), the air flow volume Booster cable motor may drop too low at each air outlet. This problem may be solved by increasing the fan speed using the fol- Fan motor socket lowing procedure:...
Page 67: I Concealed-Duct High Static Pressure Type (Dsafmhp Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 67 (mm) I Concealed-Duct High Static Pressure Type (DSAFMHP Type) Min. 600 (Space for service) 3-35. Required Minimum Space for Installation and Service (25, 36, 48 Type) This air conditioner is usually installed above the Suspension bolt pitch ceiling so that the indoor unit and ducts are not vis-...
Page 68: Required Minimum Space For Installation And Service (76, 96 Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 68 3-36. Required Minimum Space for Installation (mm) and Service (76, 96 Type) 1170 Min. 600 (Suspension bolt pitch) (Space for 1100 This air conditioner is usually installed above the service) ceiling so that the indoor unit and ducts are not vis- ible.
Page 69: Suspending The Indoor Unit
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 69 3-37. Suspending the Indoor Unit Hole-in-anchor Hole-in-plug Concrete Inser t Depending on the ceiling type: Insert suspension bolts as shown in Fig. 3-115 Use existing ceiling supports or construct a suitable support as shown in Fig. 3-116. Suspension bolt (M10 or 3/8") (field supply) It is important that you use...
Page 70: Installing The Refrigerant Tubing
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 70 3-38. Installing the Refrigerant Tubing The size of the refrigerant tubing is as shown in the table below. Table 3-8 76 Type 96 Type φ19.05 (Brazing connection) φ22.22 (Brazing connection) Wide tube (mm) φ9.52 (Flare connection) φ9.52 (Flare connection) Narrow tube (mm)
Page 71: Installing The Drain Piping
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 71 Air-outlet grille Air-intake grille Fig. 3-119 3-39. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 32 mm) for Sealing tape the drain and use the supplied drain socket to pre- vent water leaks.
Page 72: Caution For Ducting Work
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 72 3-40. Caution for Ducting Work This unit has high static pressure (applicable external static pressure Max. 167 to 216 pa (17–22 mm Aq). In the case of small pressure resistance (for instance, a short duct), install a damper for adjust- ing air flow volume as air flow volume / air flow noise increases.
Page 73 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 73 3-41. Increasing the Fan Speed (964 Type only) If external static pressure is too great (due to long extension of ducts, for example), the air flow volume may drop too low at each air outlet. This problem may be solved by increasing the fan speed using the fol- Electrical component box lowing procedure:...
Page 74: I Floor-Standing Type (Kfm Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 74 I Floor-Standing Type (KFM Type) Concealed Floor-Standing Type (KFMNC Type) 3-42. Required Minimum Space for Installation and Horizontal view Vertical view Service min. min. 10 cm 10 cm Install the unit where cooled or heated air from the unit min.
Page 75 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 75 Concealed Floor-Standing Type (KFMNC Type) 4-ø12 holes (for fastening the indoor unit to the floor with screws) Air filter Refrigerant connection outlet (narrow tube) Refrigerant connection outlet (wide tube) Level adjusting bolt Drain outlet (20A) Flange for air-outlet duct Table 3-10 Unit: mm...
Page 76: Removing And Attaching The Front Panel (Floor-Standing Type)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 76 3-44. Removing and Attaching the Front Panel (Floor-Standing Type) NOTE A dew-prevention heater is secured behind the front panel. When removing or attaching the panel, take care not to damage the lead wire to the heater. How to remove the front panel (1) Remove the 2 screws at the lower part of the front panel.
Page 77 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 77 Insulate both wide and CAUTION narrow tubes. To insulate tubes (1) Wrap the flare nuts with the supplied white insulat- ing tape. (2) Wrap the flare nuts with the supplied flare insula- tor. (3) Fill the clearance between the union insulator and flare insulator with black insulating tape.
Page 78: Installing The Drain Piping
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 78 3-46. Installing the Drain Piping Water leaks may occur CAUTION if the drain pipes are connected inadequately. (1) When rear-side drain piping is required bend the drain hose attached to the indoor unit by 90. Connect a drain pipe (field supply) to the drain hose through the rear tubing outlet in the rear panel.
Page 79: How To Install The Outdoor Unit
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 79 4. HOW TO INSTALL THE OUTDOOR UNIT Rope Fan guard 4-1. Transporting 70˚ When transporting the unit, have it delivered as close Supplied cardboard strips to the installation site as possible without unpacking. Use a hook for suspending the unit.
Page 80 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 80 Installation examples Unit: mm Fig. 4-5 Unit: mm Fig. 4-6 GRFMI GRFM...
Page 81: Electrical Wiring
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 81 5. ELECTRICAL WIRING 5-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit (7) Regulations on wire diameters differ from locality as shown on its nameplate, then carry out the to locality.
Page 82: Wiring System Diagrams
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 82 5-3. Wiring System Diagrams Indoor unit (No. 1) Power supply Outdoor unit 220-240V 50Hz INV unit Ground Power supply 380-415V-3N 50Hz Remote controller Ground Ground Ground Indoor Ground unit (No. 2) Inter-outdoor-unit control wiring Power supply 220-240V 50Hz...
Page 83 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 83 CAUTION (1) When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units.
Page 84 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 84 (5) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, other- wise misoperation from noise may occur. (Fig. 5-4) Connect wiring as shown in Section “5-3. Shielded wire Wiring System Diagrams.”...
Page 85: How To Install The Remote Controller (Optional Part)
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 85 6. HOW TO INSTALL THE REMOTE Do not supply power to the CONTROLLER (OPTIONAL PART) unit or try to operate it until CAUTION the tubing and wiring to the Remote controller wiring can be extended to a maxi- outdoor unit is completed.
Page 86: Basic Wiring Diagram
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 86 6-2. Basic Wiring Diagram Install wiring correctly Remote CAUTION (incorrect wiring will dam- control wiring age the equipment). Standard Multiple Group control remote control remote control Connection wiring for group control Use shielded wires for remote control wiring and ground the shield on both sides.
Page 87 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 87 Setting the main and sub remote controllers 1. Set one of the 2 connected remote controllers as the main remote controller. 2. On the other remote controller (sub-remote controller), switch the remote controller address connector on the rear of the remote controller PCB from Main to Sub.
Page 88: Switching The Room Temperature Sensors
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 88 6-4. Switching the Room Temperature Sensors Room temperature sensors are contained in the indoor unit and in the remote controller. One or the other of the temperature sensors is used for operation. Normally, the indoor unit sensor is set; however, the procedure below can be used to switch to the remote controller sensor.
Page 89: Wiring The Remote Controller
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 89 6-6. Wiring the Remote Controller <Flush Mounting> G Connection diagram Approx. 200 mm Remote Terminal board for controller indoor unit remote unit controller wiring Connector Power wire from remote Remote controller wiring controller unit (field supply) G Use 0.5 mm –...
Page 90: Meanings Of Alarm Messages
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 90 6-7. Meanings of Alarm Messages Table of Self-Diagnostics Functions and Description of Alarm Displays. Alarm messages are indicated by the blinking of LED 1 and 2 (D72, D75) on the outdoor unit PCB. They are also displayed on the wired remote controller.
Page 91 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 91 Alarm Possible cause of malfunction message Activation of Protective device in outdoor unit Compressor thermal protector is activated. Power supply voltage is unusual. (The voltage is more than 260 V protective is activated. or less than 160 V between L and N phase.) device Incorrect discharge temperature.
Page 92 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 92 Alarm messages displayed on system controller Indoor or main outdoor unit is not operating correctly. Serial Error in transmitting serial communication communication signal Mis-wiring of control wiring between indoor unit, main outdoor unit and system controller.
Page 93: How To Process Tubing
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 93 7. HOW TO PROCESS TUBING Deburring The narrow tubing side is connected by a flare nut, After Before and the wide tubing side is connected by brazing. 7-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units.
Page 94: Connecting Tubing Between Indoor And Outdoor Units
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 94 Caution Before Connecting Tubes Tightly (1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used. Apply refrigerant lubricant here and here (2) Be sure to apply refrigerant lubricant to the match- ing surfaces of the flare and union before connect- Fig.
Page 95: Insulating The Refrigerant Tubing
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 95 7-3. Insulating the Refrigerant Tubing Two tubes arranged together Tubing Insulation Narrow tubing Wide tubing Thermal insulation must be applied to all unit tub- ing, including distribution joint (purchased sepa- rately). * For gas tubing, the insulation material must be Insulation heat resistant to 120°C or above.
Page 96: Taping The Tubes
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 96 7-4. Taping the Tubes (1) At this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped together with armoring tape in 1 bundle. To pre- vent the condensation from overflowing the drain pan, keep the drain hose separate from the refrigerant tubing.
Page 97: Air Purging
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 97 8. AIR PURGING Manifold gauge Air and moisture in the refrigerant system may have undesirable effects as indicated below. pressure in the system rises operating current rises cooling (or heating) efficiency drops moisture in the refrigerant circuit may freeze and block capillary tubing water may lead to corrosion of parts in the refriger- Fig.
Page 98 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 98 (4) Do a leak test of all joints of the tubing (both indoor and outdoor) and both wide and narrow service valves. Bubbles indicate a leak. Wipe off Manifold valve the soap with a clean cloth after a leak test. (5) After the system is found to be free of leaks, Pressure relieve the nitrogen pressure by loosening the...
Page 99 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 99 Manifold valve NOTE The required time in the above table is calculated Pressure based on the assumption that the ideal (or target) gauge vacuum condition is less than 667 Pa (–755 mm Hg, 5 Torr).
Page 100: How To Install The Ceiling Panel
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 100 9. HOW TO INSTALL THE CEILING PANEL I 1-Way Air Dischange Semi-Concealed Type (CAFM1V Type) 9-1. Installing the Ceiling Panel CAFM1V (1) Screw the M5 × 40 screws supplied (in the unit packing) into 4 points on the flange surface of the unit bolted to the ceiling.
Page 101: I 1-Way Air Discharge Semi-Concealed Slim Type
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 101 I 1-Way Air Discharge Semi-Concealed Slim Type (CAFM1VS Type) 9-3. Installing the Ceiling Panel (1) Hook the 2 panel catches of the ceiling panel to the tubing side (stationary side) of the indoor unit. Then, press up on the opposite side to engage the level catch to install by opening the level catch CAFM1VS...
Page 102 04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 102 (4) Check to see that the ceiling panel is properly aligned with the seamline of the ceiling. If not, readjust the indoor unit by adjusting the nuts to the proper suspension point. (Fig. 9-4) Suspension bolt (5) For attaching and removing the side panels, see Nut, washer...
Page 103: I 2-Way Air Discharge Semi-Concealed Type
04-408 InverterW_Tech_p51-108 12/17/04 5:15 PM Page 103 I 2-Way Air Discharge Semi-Concealed Type Indoor unit (CAFM2V Type) 9-4. Before Installing the Ceiling Panel (1) Adjust the distance between the unit and the sur- face of the ceiling (60 mm) using the 2 hexagonal nuts as shown in Fig.
Page 104: Installing The Ceiling Panel
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 104 9-5. Installing the Ceiling Panel (1) Lift the ceiling panel and position it to align the Panel catch (level catch side) Panel catch (stationary side) panel catches with the catch recesses of the indoor unit.
Page 105: I 4-Way Air Discharge Semi-Concealed Type
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 105 I 4-Way Air Discharge Semi-Concealed Type must be within the range of 12 – 17 mm. If not within this range, malfunction or other trouble may result. (CAFM Type) Checking the unit position Main unit (1) Check that the ceiling hole is within this range: 860 ×...
Page 106: Installing The Ceiling Panel
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 106 9-8. Installing the Ceiling Panel Square hole in unit The power must be turned ON in order to change the flap angle. (Do not attempt to move the flap by hand. Doing so may damage the flap.) Push when Temporary you remove...
Page 107: Wiring The Ceiling Panel
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 107 9-9. Wiring the Ceiling Panel (Direction that the unit faces has been changed to facilitate explanation.) (1) Open the cover of the electrical component box. Electrical component (2) Connect the 7P wiring connector (red) from the box cover ceiling panel to the connector in the unit electrical component box.
Page 108: Checking After Installation
04-408 InverterW_Tech_p51-108 12/16/04 3:25 PM Page 108 9-11. Checking After Installation Check that there are no gaps between the unit and the ceiling panel, or between the ceiling panel and the ceiling surface. Gaps may cause water leakage and condensation. Check that the wiring is securely connected.
Page 109: Test Run
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 109 10. TEST RUN 10-1. Preparing for Test Run Before attempting to start the air conditioner, check the following. (1) All loose matter is removed from the cabinet espe- cially steel filings, bits of wire, and clips. (Power must be turned ON at least 5 hours before (2) The control wiring is correctly connected and all...
Page 110: Test Run Procedure
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 110 10-2. Test Run Procedure Items to Check Before the Test Run Recheck the items to check before the test run. 1. Turn the remote power switch on at least 5 hours before the test, in order to energize the crank case heater.
Page 111: Main Outdoor Unit Pcb Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 111 10-3. Main Outdoor Unit PCB Setting CN100 D75 (LED2) D72 (LED1) CN101 S003 S002 S005 S004 S006 S007 CN003 (Terminal plug) Instead of moving the socket to the OPEN side, unplug the lead wire connector extended from this plug.
Page 112 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 112 G Examples of the No. of indoor units settings Indoor unit setting (S005) Indoor unit setting (S004) No. of indoor units (3P DIP switch, blue) (Rotary switch, red) 10 20 30 1 unit (factory setting) All OFF Set to 1 11 units...
Page 113: Sub Outdoor Unit Pcb Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 113 10-4. Sub Outdoor Unit PCB Setting CN100 D75 (LED2) CN101 D72 (LED1) S003 S002 S005 S004 S006 S007 Fig. 10-5 G Address setting of outdoor unit Address setting of outdoor unit (S007) Unit No. setting (3P DIP switch, blue) Unit No.
Page 114: Auto Address Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 114 10-5. Auto Address Setting Basic wiring diagram: Example (1) • If link wiring is not used (The inter-unit control wires are not connected to multiple refrigerant systems.) Indoor unit addresses can be set without operating the compressors. No.
Page 115 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 115 Basic wiring diagram: Example (2) • If link wiring is used * When multiple outdoor main units exist, remove the socket that is used to short-circuit the terminal plug (CN003) from all outdoor main unit PCBs except for 1. No.
Page 116 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 116 Case 1 Automatic Address Setting (no compressor operation) Indoor and outdoor unit power can be turned ON for each system separately. Indoor unit addresses can be set without operating the compressors. Automatic Address Setting from Outdoor Unit 1.
Page 117 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 117 Case 2 Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work.
Page 118 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 118 Case 3 Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work.
Page 119 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 119 Display during automatic address setting On outdoor master unit PCB * Do not short-circuit the automatic address setting pin (CN100) again while automatic address setting is in progress. Doing so will cancel the setting operation and will cause LEDs 1 and 2 to turn OFF.
Page 120 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 120 Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for future reference. List the outdoor master unit system address and the addresses of the indoor units in that system in an easily visible location (next to the nameplate), using a permanent marking pen or similar means that cannot be removed easily.
Page 121: Caution For Pump Down
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 121 10-6. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit.
Page 122: How To Install The Wireless Remote Controller Receiver
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 122 11. HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER RECEIVER I K70D037Z for 4-Way Cassette (CAFM Type) Indoor unit Indoor unit 11-1. Installing the Receiver Unit drain tube side refrigerant tube side The only corner where the receiver unit can be installed is the one shown in Fig.
Page 123: Accessories
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 123 11-2. Accessories Q'ty Parts Q'ty Parts AAA alkaline battery Receiver Tapping screw unit 4 × 16 Clamp Remote Fastening screw control unit 4 × 12 Remote control holder 11-3. Wiring the Receiver Unit Connection diagram Receiver PCB Indoor unit...
Page 124: How To Use The Test Run Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 124 (1) To assign the wired remote controller as the sub unit, locate the address connector at the rear of the wired remote controller PCB and disconnect it. Reconnect it to the sub unit position. (2) To assign the wireless remote controller as the sub unit, locate the dip switch [S003] on the wire- less receiver unit PCB.
Page 125: I K70D040Z For Ceiling Mounted (Spafm Type)
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 125 I K70D040Z for Ceiling Mounted (SPAFM Type) Side panel 11-6. Installing the Receiver Unit Panel (1) To take off the side panel, open the intake grille and remove the screw. Then remove the side panel by moving it toward the front (direction of arrow).
Page 126: Accessories Supplied With Unit
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 126 11-7. Accessories Supplied with Unit Parts Q'ty Q'ty AAA alkaline battery Receiver unit Remote control Tapping screw 4 × 16 unit Remote control holder 11-8. Wiring the Receiver Unit Connection diagram Receiver unit Indoor unit Remote CN001...
Page 127: Remote Controller
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 127 When 1 indoor unit is operated with 2 remote controllers: (The indoor unit runs according to which of the remote controllers is assigned as the main or sub unit.) * Use field wiring cables with a Wireless receiver unit Wired remote controller cross-sectional area of at least...
Page 128: I K70D038Z For 2-Way And High Ceiling
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 128 I K70D038Z for 2-Way and High Ceiling Cover A Cover B 1-Way Type (CAFM2V, CAFM1VS Type) Display For 2-way Cassette Type (CAFM2V Type) 11-11. Installing the Display Spread Remove panel cover A and install the display. (1) Remove cover A from the rear side of the panel.
Page 129: Installing The Display
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 129 For 1-Way Air Discharge High-Ceiling Cassette Type (CAFM1VS Type) 11-13. Installing the Display Remove the side panel and ceiling panel. Install Ceiling panel hole the display. Use tape to fasten (1) Remove the side panel. a) Press the tabs on both sides of the side panel to disengage the lock.
Page 130: Accessories
04-408 InverterW_Tech_p109-139 12/21/04 3:55 PM Page 130 (4) Attach the ceiling panel. Service cover Control unit (5) Open the air-intake grille. Connect the display and the control unit 6P relay connector (white). Vinyl clamp At this time, pass the lead wire from the display through the notch in the main unit, and use the supplied vinyl clamp to bind the lead wire.
Page 131 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 131 The wireless receiver unit components cannot be CAUTION used for more than 1 indoor unit at a time. (However, separate receiver units may be used simulta- neously.) When a wireless receiver CAFM1VS unit and a wired remote controller are used simulta- neously, assign either the wireless remote controller...
Page 132: How To Use The Test Run Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 132 11-18. How to Use the Test Run Setting 1. Set DIP switch [DS] No. 1 on the wireless receiver DS switch “1” unit PCB from OFF to the ON position. 2. All indicator lamps in the display section blink dur- Sub remote ing test run operation.
Page 133: Kfmnc Type
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 133 I K70D039Z for CAFM1V, DSAFM, DSAFMHP, KFM, KFMNC Type 11-19. Accessories Supplied with Separate Receiver Unit CAFM1V Q'ty Parts Q'ty Parts Separate Spacer receiver unit (provided 200mm Wire joints power cable) Plate mounting Clamp Pattern template 95 ×...
Page 134 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 134 For flush mounting into a wall, install the separate Face plate receiver unit in a metal switch box (field supply) that has been recessed into the wall in advance. 1. Insert a flathead screwdriver or similar tool into the CAFM1V notch, and remove the face plate.
Page 135 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 135 1. Insert a screwdriver or similar tool into the notch at the bottom to remove the receiver nameplate. 2. Cut a section out of the ceiling along the provided paper pattern (95 × 51 mm). CAFM1V 3.
Page 136: Wiring The Separate Receiver Unit
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 136 11-22. Wiring the Separate Receiver Unit * Use wires that are 0.5 mm – 2 mm in diameter. * The wiring length must not exceed 400 m. CAFM1V <Flush Mounting> Connection diagram Indoor unit Separate remote controller receiver unit...
Page 137: Important Information For Installation Of
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 137 11-23. Important Information for Installation of 2 Separate Receiver Units When using 2 receiver units to operate 1 or more indoor units at the same time, follow the procedure CAFM1V below to install them. Installation method 1.
Page 138: Test Run Setting
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 138 11-24. Test Run Setting 1. Remove the receiver unit face plate, and set the DIP switch to “Test Run - ON” position. 2. Run the air conditioner using the wireless remote CAFM1V controller by pressing the “ON/OFF” button. All LEDs (“RUN,”...
Page 139: Special Remarks
04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 139 12. SPECIAL REMARKS I DC Fan Tap Change Procedure for 4-Way Cassette (CAFM Type) <Steps> Be sure to turn OFF the power (at mains) before beginning the work below. (1) In the table below, check the field-supply parts that will be used. (If this setting is not made, the airflow may decrease and condensation may occur.) Setting Air shield material (for use with 3-direction discharge)*...
Page 140 04-408 InverterW_Tech_p109-139 12/13/04 3:59 PM Page 140 R.D. 28 Reyrieux BP 131-01601 Trévoux CEDEX France Tél. 04.74.00.92.92 - Fax 04.74.00.42.00 R.C.S. Bourg-en-Bresse B 759 200 728...

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