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TECHNICAL & SERVICE MANUAL
SAP – CMR2428E
FILE NO.
FILE NO.
(Combination with indoor unit mod. SAP-K/KR128E-FTR128E)
MULTI-SPLIT SYSTEM AIR CONDITIONER
MULTI-SPLIT SYSTEM AIR CONDITIONER
Model No.
Product Code No.
Model No.
Product Code No.
SAP – CMR2428E
SAP – CMR2428E
852 070 02
Outdoor Unit
Outdoor Unit
SAP–CMR2428E
SAP–CMR2428E
SM
700311
REFERENCE NO.
0.8180.134.0
02/2001
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Related Manuals for Sanyo SAP–CMR2428E
Summary of Contents for Sanyo SAP–CMR2428E
- Page 1 TECHNICAL & SERVICE MANUAL SAP – CMR2428E FILE NO. FILE NO. (Combination with indoor unit mod. SAP-K/KR128E-FTR128E) MULTI-SPLIT SYSTEM AIR CONDITIONER MULTI-SPLIT SYSTEM AIR CONDITIONER Model No. Product Code No. Model No. Product Code No. SAP – CMR2428E SAP – CMR2428E 852 070 02 Outdoor Unit Outdoor Unit...
- Page 2 Important! When Transporting Be careful when picking up and moving the indoor and Please Read Before Starting outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp This air conditioning system meets strict safety and edges or thin aluminum fins on the air conditioner can operating standards.
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Page 3: Table Of Contents
Table of Contents Page OPERATING RANGE SPECIFICATIONS 2-1 Unit Specification 2-2 Major Component Specifications 2-3 Other Component Specifications DIMENSIONAL DATA REFRIGERANT FLOW DIAGRAM ELECTRICAL DATA 5-1 Electrical Characteristic 5-2 Electric Wiring Diagrams 5-3 Performance Charts INSTALLATION INSTRUCTION 6-1 Installation Site Selection 6-2 Place and Space for Installation 6-3 Wiring Instructions REFRIGERANT R407C:SPECIAL PRECAUTION WHEN SERVICING UNIT... -
Page 4: Operating Range
1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 32°C D.B. / 23°C W.B. 43°C D.B. Cooling Minimum 19°C D.B. / 14°C W.B. 19°C D.B. -
Page 5: Specifications
2. SPECIFICATIONS 2-1. Unit Specifications Outdoor Unit SAP – CMR2428E Applicable indoor unit ... Number SAP – KR128E ... 2 Power Source 220 / 230 / 240 V Single phase 50 Hz Cooling Max.Capacity 6.70 (230V) BTU/h 22900 No. of indoor unit 1 –... -
Page 6: Major Component Specifications
2-2. Major Component Specifications Outdoor Unit SAP – CMR2428E Type Rotary (Hermetic) Compressor model…Q'ty / Code number C - R N 1 1 0 H 5 B … 2 / 802356-45B Nominal output 1,100 Compressor oil ... Amount FV68S ... 550 Ω... -
Page 7: Dimensional Data
3. DIMENSIONAL DATA Outdoor Unit SAP – CMR2428E Narrow tube service valve ø6.35 (1/4") Wide tube service valve ø12.7 (1/2") Power supply wires connection Inter-unit wires connection Unit : mm... -
Page 8: Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM Applicable Indoor Unit : SAP – KR128E (x2) Outdoor Unit : SAP – CMR2428E Outdoor Unit Indoor Unit A Accumulator Wide tube O.D. ø12.7 mm Accumulator (1/2 ") Wide tube service valve Indoor Unit B Narrow tube Narrow tube service... -
Page 9: Electrical Data
5. ELECTRICAL DATA 5-1. Electrical Characteristics Outdoor Unit SAP – CMR2428E NOTE The values in the table below indicate the sum of indoor and outdoor units which are in running condition. 230 V Single phase 50Hz Number of Indoor Unit 1-Unit 2-Units Rating Conditions... -
Page 10: Electric Wiring Diagrams
5-2. Electric Wiring Diagram Outdoor Unit SAP – CMR2428E TO INDOOR TO INDOOR POWER UNIT B UNIT A SUPPLY TERMINAL PLATE (4P)X2 Ground OVERLOAD OVERLOAD RELAY 3 RELAY 1 OVERLOAD OVERLOAD RELAY 4 RELAY 2 COMPRESSOR COMPRESSOR FAN MOTOR MOTOR B MOTOR A... -
Page 11: Performance Charts
5-3. Performance Charts Indoor Unit SAP – KR128E (x1) Outdoor Unit SAP – CMR2428E ■ Cooling Characteristics Indoor inlet air D.B. temp. (°C) Outdoor inlet air D.B. temp. (°C) Indoor inlet air D.B. temp. (°C) Outdoor inlet air D.B. temp. (°C) NOTE . -
Page 12: Installation Instruction
6. INSTALLATION INSTRUCTIONS 6-1. Installation Site Selection Tubing length (L) INDOOR Maximum Allowable Tubing Length(L) and UNIT Elevation Difference(H). IMPORTANT Less than elevation difference (H) between OUTDOOR The Multi-Split System outdoor unit should be installed as close to the 2 units UNIT the indoor units as possible. -
Page 13: Wiring Instructions
6-3. Wiring instructions WARNING WARNING This appliance must be grounded. Before starting installation of the multi-split system, Wiring System Diagram disconnect the gray tripolar cable of 2 meter length joined at the indoor units' terminal base in positions 220–240V L, N and Ground mark. Be sure to refer to the Wiring ~ 50Hz Disconnect Ground... -
Page 14: Refrigerant R407C:special Precaution When Servicing Unit
7. REFRIGERANT R407C : SPECIAL PRECAUTIONS WHEN SERVICING UNIT 7-1. Characteristics of new refrigerant R407C 7-1-1. What is new refrigerant R407C R407C is a new refrigerant that contains three types of non-azeotropy-type mixed refrigerant which does not adversely affect the Earth's ozone layer. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 7-1-2. -
Page 15: Tools Specifically For R407C
7-3. Tools specifically for R407C For servicing, use the following tools for R407C Tool Distinction Tool Name • Gauge manifold • Charging hose • Gas leak detector • Refrigerant cylinder • Charging cylinder Tools specifically for R407C • Refrigerant recovery unit •... -
Page 16: In Case Of Compressor Malfunction
7-5. In case of compressor malfunction Should the compressor malfunction, be sure to replace compressor as quickly as CAUTION possible. Use only the tools indicated exclusively for R407C. See "10-3. Tools specifically for R407C". 10-5-1.Procedure for replacing compressor (1) Recovering refrigerant •... - Page 17 (5) Recharging Valve • Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.
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Page 18: In Case Refrigerant Is Leaking
7-6. In case refrigerant is leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant. (1) Detecting Leaks •... - Page 19 (6) Recharging Valve • Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.
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Page 20: Charging Additional Refrigerant
7-7. Charging additional refrigerant 7-7-1.When tubes are extended • Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state. Never charge additional refrigerant if refrigerant is leaking from the unit. Follow CAUTION instructions given in "10-6. -
Page 21: Troubleshooting
8. TROUBLESHOOTING 8-1. Check before and after troubleshooting WARNING Hazardous voltage can cause ELECTRIC SHOCK or DEATH. Disconnect power or turn off circuit breaker before you start checking or servicing. 8-1-1. Check power supply wiring. Check that power supply wires are correctly connected to terminals No. 1 and No. 2 on the 3p terminal plate in the outdoor unit. -
Page 22: Air Conditioner Does Not Work
8-2. Air conditioner does not operate. 8-2-1. Circuit breaker trips (or fuse blows). A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.) There is a possibility of ground fault. Check insulation resistance. If resistance value is 2MΩ... - Page 23 B. Circuit breaker trips in several minutes after turning the air conditioner on. There is a possibility of short circuit. • Check capacity of circuit breaker. Replace with suitable one (larger capacity). Capacity of circuit breaker is suitable. Measure resistance of outdoor fan •...
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Page 24: Some Parts Of Air Conditioner Does Not Operate
8-3. Some part of air conditioner does not operate. 8-3-1. Only outdoor fan does not run. Check fan casing • Remove foreign for foreign matter matter or repair. Fan cannot on inside. be turned. Check fan rotation. • Turn fan gently once or twice by hand. -
Page 25: Air Conditioner Operates, But Abnormalities Are Observed
8-4. Air conditioner operates, but abnormalities are observed. 8-4-1. Poor cooling Check position of remote control unit. • Change position of • Cool air from air conditioner remote control unit. reaches position directly. Insulate both wide and Wide and narrow tubes between •... -
Page 26: Arrangement Of Electrical Components
9. ARRANGEMENT OF ELECTRICAL COMPONENT Outdoor Unit SAP – CMR2428E Electric Parts Compressor moter capacitor C3 Compressor moter capacitor C2 Relay ( RB ) Terminal plate ( 4P ) Relay ( RA ) ( To indoor unit B ) 1 2 3 4 1 2 3 4 Fan moter capacitor C1... -
Page 27: Checking Electrical Components
10. CHECKING ELECTRICAL COMPONENTS 10-1 Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 2MΩ. Probe 10-1-1. Power Supply Wires Insulation Clamp the ground wire of the power supply wires with Fig.1 tester the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of... -
Page 28: Checking Motor Capacitor
10-2. Checking Motor Capacitor Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig. 5. Observe the deflection of the pointer, setting Multimeter the resistance measuring range of the multimeter to the maximum value. - Page 29 SANYO Electric Co.,Ltd Osaka, Japan...