Summary of the content on the page No. 1
TECHNICAL DATA
&
FILE NO.
SERVICE MANUAL
XH2442 / CH2442 KH2442 / CH2442
XH3642 / CH3642 KH3642 / CH3642
XH4242 / CH4242
TH2442 / CH2442 UH2442 / CH2442
TH3642 / CH3642 UH3642 / CH3642
TH4242 / CH4242
SPLIT SYSTEM AIR CONDITIONER
Section
INDOOR MODEL No. PRODUCT CODE No. OUTDOOR MODEL No. PRODUCT CODE No.
XH2442 854 017 11 CH2442 854 017 21
1
XH3642 854 017 12 CH3642 854 017 22
XH4242 854 017 13 CH4242 854 017 23
TH2442 854 017 14
TH3642 854 017 15
TH4242 854 017 16
KH2442 854 017 07
KH3642 8
Summary of the content on the page No. 2
Important When Installing Please Read Before Starting …………………………………………………………………… …In a Room This air conditioning system meets strict safety and operating Properly insulate any tubing run inside a room to prevent standards. As the installer or service person, it is an important “sweating” that can cause dripping and water damage to walls part of your job to install or service the system so it operates and floors. safely and efficiently. …In Moist or Uneven Locations For safe installation and tro
Summary of the content on the page No. 3
WHO SHOULD USE THIS MANUAL This service manual is made to assist the service technician apply his knowledge and training to this model air conditioner. This manual is written both for experienced service persons and those who are new to air conditioning service. To help those with less experience or who are new to this kind of unit we have included more explanations of basic procedures in simple language than is usual in some service manuals. The experienced technician will of course find he kno
Summary of the content on the page No. 4
2-7 Overload Protection (Heating) ..................................................................II - 9 2-8 Discharge Temperature Control (Cooling and Heating) ...........................II - 10 2-9 Auto. Mode for Automatic Heating/Cooling Switching ..............................II - 11 2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating) ....................II - 13 2-11 4-Way Valve, Solenoid Control .................................................................II - 14 2-12 Aut
Summary of the content on the page No. 5
1. Specifications 1. SPECIFICATIONS 1-1 Unit Specifications ................................................................................. I - 2 4-Way Air Discharge Semi-concealed Type ........................................... I - 2 Ceiling Mounted Type .............................................................................. I - 5 Concealed Duct Type .............................................................................. I - 8 Wall-Mounted Type.................................
Summary of the content on the page No. 6
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit XH2442 Outdoor Unit CH2442 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 24,000 23,400 25,000 24,300 (17°F)** 16,400 15,800 Moisture removal (High) Pints / h 8.6 8.4 — Air circulation (H / M / L) 230 V cu.ft. / min. 710 / 530 / 450 S.E.E.R. (H.S.P.F.) BTU / Wh 10.0 10.2 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running amperes A
Summary of the content on the page No. 7
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit XH3642 Outdoor Unit CH3642 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,500 33,500 37,500 36,500 (17°F)** 25,000 23,500 Moisture removal (High) Pints / h 10.5 10.6 — Air circulation (H / M / L) 230 V cu.ft. / min. 1,050 / 840 / 720 S.E.E.R. (H.S.P.F.) BTU / Wh 10.7 11.0 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running ampere
Summary of the content on the page No. 8
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit XH4242 Outdoor Unit CH4242 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 42,000 40,000 44,000 42,000 (17°F)** 28,000 26,000 Moisture removal (High) Pints / h 14.4 14.0 — Air circulation (H / M / L) 230 V cu.ft. / min. 1,050 / 840 / 720 S.E.E.R. (H.S.P.F.) BTU / Wh 10.4 10.4 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running ampere
Summary of the content on the page No. 9
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit TH2442 Outdoor Unit CH2442 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 22,400 21,600 25,400 25,000 (17°F)** 15,700 15,000 Moisture removal (High) Pints / h 8.0 7.9 — Air circulation (H / M / L) 230 V cu.ft. / min. 550 / 490 / 460 S.E.E.R. (H.S.P.F.) BTU / Wh 10.0 10.0 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running amperes A
Summary of the content on the page No. 10
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit TH3642 Outdoor Unit CH3642 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,000 33,000 40,000 39,000 (17°F)** 25,000 24,000 Moisture removal (High) Pints / h 10.7 10.8 — Air circulation (H / M / L) 230 V cu.ft. / min. 1,100 / 930 / 750 S.E.E.R. (H.S.P.F.) BTU / Wh 10.4 10.7 (7.3) (7.3) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running ampere
Summary of the content on the page No. 11
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit TH4242 Outdoor Unit CH4242 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 42,000 40,000 44,000 42,000 (17°F)** 28,000 26,000 Moisture removal (High) Pints / h 14.8 14.3 — Air circulation (H / M / L) 230 V cu.ft. / min. 1,100 / 930 / 750 S.E.E.R. (H.S.P.F.) BTU / Wh 10.0 10.4 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running ampere
Summary of the content on the page No. 12
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit UH2442 Outdoor Unit CH2442 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 24,000 23,400 27,000 26,500 (17°F)** 16,200 15,500 Moisture removal (High) Pints / h 8.4 7.7 — Air circulation (H / M / L) 230 V cu.ft. / min. 670 / 530 / 460 External Static Pressure in.Aq (Pa) 0.2 (49) : at shipment / 0.4 (100) : using jumper cable S.E.E.R. (H.S.P.F.) BTU / Wh 10.0 10.0 (7.0) (7.0) ELECTRICAL RATINGS
Summary of the content on the page No. 13
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit UH3642 Outdoor Unit CH3642 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,500 33,000 37,500 36,500 (17°F)** 25,000 24,000 Moisture removal (High) Pints / h 10.0 9.9 — Air circulation (H / M / L) 230 V cu.ft. / min. 1,060 / 920 / 750 External Static Pressure in.Aq (Pa) 0.24 (59) : at shipment / 0.38 (94) : using jumper cable S.E.E.R. (H.S.P.F.) BTU / Wh 10.3 10.5 (7.0) (7.0) ELECTRICAL RAT
Summary of the content on the page No. 14
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit KH2442 Outdoor Unit CH2442 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 22,000 21,000 25,000 24,300 (17°F)** 16,000 15,300 Moisture removal (High) Pints / h 7.1 6.8 — Air circulation (H / M / L) 230 V cu.ft. / min. 540 / 460 / 380 S.E.E.R. (H.S.P.F.) BTU / Wh 10.0 10.0 (7.0) (7.0) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running amperes A
Summary of the content on the page No. 15
1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit KH3642 Outdoor Unit CH3642 POWER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 33,000 32,000 40,000 39,000 (17°F)** 25,000 24,000 Moisture removal (High) Pints / h 10.6 10.6 — Air circulation (H / M / L) 230 V cu.ft. / min. 830 / 710 / 590 S.E.E.R. (H.S.P.F.) BTU / Wh 10.3 10.5 (7.6) (7.6) ELECTRICAL RATINGS Voltage rating VAC 230 208 230 208 Available voltage range VAC 187 - 253 Running amperes
Summary of the content on the page No. 16
1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. XH2442 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 VAC, 3 A Fan (Number … diameter) in. (mm) Turbo (1…17-7/16 (443)) Fan motor Model SFG6X - 41D6P Source 230 - 208 V / 1 phase / 60 Hz No. of pole … r.p.m. (230 V, High) rpm 6 … 464 Nominal output W 40 Coil resistance Ω BRW - WHT : 170.3 , ORG - YEL : 43.2 (Ambient temp
Summary of the content on the page No. 17
1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. XH3642 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 VAC, 3 A Fan (Number … diameter) in. (mm) Turbo (1…17-7/16 (443)) Fan motor Model SFG6X - 81A6P Source 230 - 208 V / 1 phase / 60 Hz No. of pole … r.p.m. (230 V, High) rpm 6 … 467 Nominal output W 60 Coil resistance Ω BRW - WHT : 75.1 , ORG - YEL : 27.4 (Ambient tempe
Summary of the content on the page No. 18
1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. XH4242 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 VAC, 3 A Fan (Number … diameter) in. (mm) Turbo (1…17-7/16 (443)) Fan motor Model SFG6X - 81A6P Source 230 - 208 V / 1 phase / 60 Hz No. of pole … r.p.m. (230 V, High) rpm 6 … 506 Nominal output W 60 Coil resistance Ω BRW - WHT : 75.1 , ORG - YEL : 27.4 (Ambient tempe
Summary of the content on the page No. 19
1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. TH2442 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 ... 5-1/8(130)) Fan motor Model SR4X - 51A6P Source 230 - 208 V / 1 phase / 60 Hz No. of pole … r.p.m. (230 V, High) rpm 1,179 Nominal output W 31 Coil resistance Ω BRW - WHT : 111.0 , ORG - YEL : 16.7 (Ambient temp
Summary of the content on the page No. 20
1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No. TH3642 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 ... 5-29/32(150)) Fan motor Model KFG4X - 101C6P Source 230 - 208 V / 1 phase / 60 Hz No. of pole … r.p.m. (230 V, High) rpm 4 ... 1,040 Nominal output W 100 Coil resistance Ω BRW - WHT : 61.05 , ORG - YEL : 13.23 (