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07-115 SSHP_II 5/7/07 3:59 PM Page a
INSTALLATION INSTRUCTIONS
– Split System Heat Pump Air Conditioner –
X
Model Combinations
K
Combine indoor and outdoor units only as listed below.
Indoor Units and Outdoor Units
Indoor Unit Type 26 30 36 42 Remarks
XH2672R XH3672R XH4272R Optional remote controller
4-Way Air Discharge
T
X
Semi-Concealed
XHW2672R XHW3672R XHW4272R with Wired Remote Controller: RCS-TM80BG
KH2672R KH3072R KH3672R Optional remote controller
KHS2672R KHS3072R KHS3672R with Wir
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07-115 SSHP_II 5/7/07 3:59 PM Page 2 IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating When Installing… standards. As the installer or service person, it is an impor- …In a Room tant part of your job to install or service the system so it oper- Properly insulate any tubing run inside a room to prevent ates safely and efficiently. “sweating” that can cause dripping and water damage to For safe installation and trouble-free operation, you mu
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07-115 SSHP_II 5/7/07 3:59 PM Page 3 2. The standards for minimum room volume are as Check of Density Limit 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. The refrigerant (R410A), which is used in the air condi- tioner, is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws imposed to pro- tect the
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07-115 SSHP_II 5/7/07 3:59 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.” Tubing size: Be sure to use the sizes indicated in the table below. Use a tube cutter when cutting the tubing, and be sure to remove any flash. This also applies to distribution joints (optional). When bending tubing ø5/8" or s
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07-115 SSHP_II 5/7/07 3:59 PM Page 5 3-2. Use R410A exclusive cylinder only. Configuration and characteristics of cylinders When charging with a refrigerant cylinder, use an Valve electronic scale for charging refrigerant. In this case, if the volume of refrigerant in the cylinder becomes less than 20% of the fully-charged amount, the composition of the refrigerant starts to change. Thus, do not use the refrigerant if the amount in the charging cylinder is less than 20%. Also, charge the mi
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07-115 SSHP_II 5/7/07 3:59 PM Page 6 CONTENTS Page Page IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Concealed-Duct Type (U Type) . . . . . . . . . . . . . . 51 Please Read Before Starting 3-22. Required Minimum Space for Installation and Service Check of Density Limit 3-23. Suspending the Indoor Unit Precautions for Installation Using New Refrigerant 3-24. Installing the Drain Piping 1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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07-115 SSHP_II 5/7/07 3:59 PM Page 7 Page 7-12. Separate Type Signal Receiving Unit Installation 7-13. Electrical Wiring 7-14. Test Run Switch 7-15. Misoperation Alarm Indicators 7-16. Basic Wiring Diagram 7-17. Wiring System Diagram for Group Control 7-18. Wiring System Diagram for Multiple Remote Controllers 7-19. Test Run Procedure 7-20. Check Items Before the Test Run 7-21. Preparing for the Test Run 7-22. Precautions 7-23. When Setting Indoor Unit Control PCB
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07-115 SSHP_II 5/7/07 3:59 PM Page 8 1-3. Type of Copper Tube and Insulation Material 1. GENERAL This booklet briefly outlines where and how to install Copper tubing for connecting the outdoor unit to the the air conditioning system. Please read over the indoor unit is available in kits which contain the liquid entire set of instructions for the indoor and outdoor and gas tubing, fittings and insulation. Consult your units and make sure all accessory parts listed are nearest sales outlet or
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07-115 SSHP_II 5/7/07 3:59 PM Page 9 Table 1-1 XH / XHW (4-Way Air Discharge Semi-Concealed) Part Name Figure Q’ty Remarks For determining suspension bolt pitch Full-scale installation diagram 1 For gas and liquid tubes Flare insulator 2 For suspending indoor unit from ceiling Washer 8 (White) Insulating tape 1 For gas tube flare nuts Hose band2 For securing drain hose Packing 1 For drain joint Drain insulator 1 For drain joint Drain hose1 Drain hose adaptor 1 For drain outlet Sealing putty
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07-115 SSHP_II 5/7/07 3:59 PM Page 10 Table 1-3 TH / THW (Ceiling-Mounted) Part Name Figure ‘Q’ty Remarks For temporarily suspending indoor unit 4 Special washer from ceiling Drain insulator 1 For drain hose joint T3 T5 Flare insulator 1 Set For gas tube joints Drain hose adaptor 1 Drain hose clamp 4 Black 2 For gas tube and drain hose joint Insulating tape White 1 For gas flare joints (heat-resisting) For ends of flare insulator Vinyl clamp 2 Full-scale installation For determining suspens
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07-115 SSHP_II 5/7/07 3:59 PM Page 11 Table 1-5 (Accessories for the Wired Remote Controller) Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Wired remote controller 1 Spacers 2 (comes with 7-7/8 in. wire) Machine screws 2 Wire joints 4 M4 × 1 in. Wood screws 2 Table 1-6 (Accessories for the Wireless Remote Controller) Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Operation controller 1 Spacers 2 Run Timer Heating preparations Pan-head tapping screws Indicator section 14 4× 13/3
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07-115 SSHP_II 5/7/07 3:59 PM Page 12 Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Small screws Separate type signal receiving unit 12 M4 × 1-9/16 in. (comes with 7-7/8 in. wire) Carrier for ceiling installation 1Wood screws 2 Wireless remote controller 1 Spacers 4 Wireless remote controller 1 Wire joints 4 mounting cradle Batteries 2 Clamp 1 Machine screws Ceiling installation paper pattern 21 M4 × 1 in. (3-3/4 × 2-1/32 in.) Table 1-7 (Accessories for the Timer Remote Contro
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07-115 SSHP_II 5/7/07 3:59 PM Page 13 1-5. Tubing Size Single Single type Refrigerant tubing between the indoor and outdoor units should be kept as short as possible. The length of the refrigerant tubes between the indoor and outdoor units are limited by the elevation difference between the 2 units. During tubing work, try to make both Main tubing L the tubing length (L) and the difference in elevation (H1) as short as possible. Refer to Table 1-10. Table 1-9 Indoor unit type 26, 30, 36
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07-115 SSHP_II 5/7/07 3:59 PM Page 14 Table 1-10 Tubing Data for Models Models C(H)3072R C(H)2672R C(H)4272R C(H)3672R Tubing Data Tubing size Liquid tube in. (mm) 3/8 (9.52) 3/8 (9.52) 3/8 (9.52) outer diameter Gas tube in. (mm) 5/8 (15.88) 5/8 (15.88) 5/8 (15.88) Limit of tubing length (ft.) 165 165 165 Outdoor unit is placed 100 100 100 Limit of elevation higher (ft.) difference between Outdoor unit is placed 50 50 50 the 2 units lower (ft.) Max. allowable tubing length at shipment (ft.)
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07-115 SSHP_II 5/7/07 3:59 PM Page 15 1. This unit requires no additional refrig- CAUTION erant charge up to 100 ft. tubing length. In case of more than 100 ft., additional refrigerant charge is required. Refer to Table 1-11. 2. In case of multi type installation, indoor units should be installed within the same room. If multi type indoor units are installed in different rooms, temperature control may develop prob- lems because thermostat operation must follow the thermostat condition of 1 in
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07-115 SSHP_II 5/7/07 3:59 PM Page 16 2. SELECTING THE INSTALLATION SITE Ceiling-Mounted Type 2-1. Indoor Unit Ceiling AVOID: areas where leakage of flammable gas may be Wall expected. places where large amounts of oil mist exist. Min. 10 inch Min. 10 inch Front view direct sunlight. locations near inverter lamps which may affect the NOTE performance of the unit. The rear of the indoor unit can be installed flush against the wall. locations near heat sources which may affect the C
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07-115 SSHP_II 5/7/07 3:59 PM Page 17 2-2. Outdoor Unit AVOID: Exhaust fan heat sources, exhaust fans, etc. (Fig. 2-1) Hot air damp, humid or uneven locations Heat source DO: Out- door choose a place as cool as possible. unit choose a place that is well ventilated and outside air temperature does not exceed maximum 115°F constantly. allow enough room around the unit for air intake/ Fig. 2-1 exhaust and possible maintenance. (Fig. 2-2) use lug bolts or equal to bolt down unit, red
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07-115 SSHP_II 5/7/07 3:59 PM Page 18 2-3. Air-Discharge Chamber for Top Discharge Be sure to install an air discharge chamber in the Air discharge field when: it is difficult to keep a space of min. 20" between the air discharge outlet and an obstacle. Air discharge the air discharge outlet is facing a sidewalk and discharged hot air may bother passers-by. Refer to Fig. 2-5. 2-4. Installing the Unit in Heavy Snow Areas In locations with strong wind, snow-proof ducting should be fitted
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07-115 SSHP_II 5/7/07 3:59 PM Page 19 2-6. Dimensions of Wind Ducting Reference diagram for air-discharge chamber (field supply) STK–DRV80U for 2672R / 3072R / 3672R unit 1 Air discharge chamber 2 Air discharge chamber (base) 2 21-13/16 (25/32) (25/32) 1 Rectangular hole (both sides) 2 5-5/32 9-27/32 9-27/32 1-1/16 21-13/16 15/16 17/32 Unit: inch Note: In snowy regions, if there is concern that snow may enter the air discharge chamber, remove the base of the chamber (10 screws) before
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Wind direction Wind direction Wind direction 07-115 SSHP_II 5/7/07 3:59 PM Page 20 Dimensions of Outdoor Unit with air-discharge chamber (field supply) 2672R / 3072R / 3672R unit with STK-DRV80U 6-11/16 4-5/16 25-31/32 Wind direction 1/2 1/2 1/2 2-17/32 21-13/16 37 9-27/32 Wind direction Wind direction Unit: inch 4272R unit with STK-DRE140A 4-5/16 6-11/16 25-31/32 Wind direction 1/2 1/2 1/2 2-11/36 21-13/32 11-13/16 37 Wind direction Wind Wind direction direction Wind direction Wind Wind
