Airwell YAZ318 Service Manual

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YAZ318

Indoor Units

Outdoor Units

AWSI-PNXA009/012-N11

CK09/12 DCI

SX09/12 DCI

DLF09/12 DCI

AWAU-YAZ318-H11

XLF09/12 DCI

AWSI-HAD007/009/012-N11

AWSI-HFD007/009/012-N11

AWSI-XLD009/012-N11

REFRIGERANT

R410A

HEAT PUMP

FEBRUARY - 2011

SM YAZ318 1-A.1 GB

Version:1

SM YAZ318 1-A.1 GB

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Summary of Contents for Airwell YAZ318

Page 1 YAZ318 Indoor Units Outdoor Units AWSI-PNXA009/012-N11 CK09/12 DCI SX09/12 DCI DLF09/12 DCI AWAU-YAZ318-H11 XLF09/12 DCI AWSI-HAD007/009/012-N11 AWSI-HFD007/009/012-N11 AWSI-XLD009/012-N11 REFRIGERANT R410A HEAT PUMP FEBRUARY - 2011 SM YAZ318 1-A.1 GB Version:1 SM YAZ318 1-A.1 GB...
Page 2 Original ... 01... 17 February, 11 Total number of pages in this publication is 96 consisting of the following: Page Revision Page Revision Page Revision No. # No. # No. # * Zero in this column indicates an original page. SM YAZ318 1-A.1 GB...
Page 3: Table Of Contents
OPERATING CURVES ........................6-1 ELECTRICAL DATA........................7-1 WIRING DIAGRAM......................... 8-1 REFRIGERATION DIAGRAM ......................9-1 TUBING CONNECTIONS ....................... 10-1 CONTROL SYSTEM ........................11-1 TROUBLESHOOTING........................12-1 EXPLODED VIEW AND SPARE PART LIST ................13-1 APPENDIX A ..........................14-1 SM YAZ318 1-A.1 GB...
Page 4: Introduction
INTRODUCTION INTRODUCTION General The YAZ318 is a multi-tubing system with three connected indoor units. The multi-split inverter is a high-level technology product for residential and commercial application offering comfort, low noise operation and energy saving. Main Features 1.2.1 High Technology •...
Page 5 INTRODUCTION Matching Table INDOOR UNITS AWSI-PNXA009-N11 AWSI-PNXA012-N11 CK09 DCI CK12 DCI SX09 DCI SX12 DCI DLF09 DCI DLF12 DCI XLF09 DCI / AWSI-XLD009-N11 XLF12 DCI / AWSI-XLD012-N11 AWSI-HAD007-N11 AWSI-HAD009-N11 AWSI-HAD012-N11 AWSI-HFD007-N11 AWSI-HFD009-N11 AWSI-HFD012-N11 SM YAZ318 1-A.1 GB...
Page 6 INTRODUCTION Indoor Unit combinations YAZ318 Unit A Unit B Unit D Code Sum Nominal Indoor Units Combination SM YAZ318 1-A.1 GB...
Page 7: Product Data Sheet
(5)Nominal capacity is measured with the combination of 3x HAD 25 DCI and 5m tubing each unit. Maximum capacity is measured with the combination of 2xHAD 25 DCI + HAD 35 DCI and 5m tubing each unit. Minimum capacity is measured with HAD 25 DCI and 5m tubing. SM YAZ318 1-A.1 GB...
Page 8 Sound pressure level(3) H/M/L dB(A) 40/ - /26 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 810x285x210 Net Weight 11.5 Package dimensions WxHxD 870x356x282 Packaged weight Units per pallet units Stacking height units 7 levels SM YAZ318 1-A.1 GB...
Page 9 Sound pressure level(3) H/M/L dB(A) 34/31/28 36/32/28 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 575X575X219(625X625X40/725X725X40) Net Weight 12.9(2.2/2.7) Package dimensions WxHxD 681X681X297(700X700X103/800X800X103) Packaged weight 16.2(3.4/4.2) Units per pallet units Stacking height units 6 levels SM YAZ318 1-A.1 GB...
Page 10 Sound pressure level(3) H/M/L dB(A) 45/41/30 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 820x630x190 Net Weight Package dimensions WxHxD 920x726x273 Package weight Units per pallet units 14units per pallet Units stacking units 7 levels SM YAZ318 1-A.1 GB...
Page 11 Sound pressure level(3) H/M/L dB(A) 31/27/24 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 750x630x200 Net Weight Package dimensions WxHxD 885x695x226 Package weight Units per pallet units 14units per pallet Units stacking units 7 levels SM YAZ318 1-A.1 GB...
Page 12 Sound power level (2) H/M/L dB(A) Sound pressure level(3) H/M/L dB(A) 39/36/33 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 570x570x160 Net Weight Package dimensions WxHxD 700x700x255 Packaged weight Units per pallet units Stacking height units 8evels AWSI-HAD007-N11 SM YAZ318 1-A.1 GB...
Page 13 Sound power level (2) H/M/L dB(A) Sound pressure level(3) H/M/L dB(A) 40/35/29 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 680 x250 X188 Net Weight Package dimensions WxHxD 740x310x248 Packaged weight Units per pallet units Stacking height units SM YAZ318 1-A.1 GB...
Page 14 Sound pressure level(3) H/M/L dB(A) 36/31/28 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 680x250x185 Net Weight Package dimensions WxHxD 740x320x265 Packaged weight Units per pallet units 36 units per pallet Stacking height units 9 levels SM YAZ318 1-A.1 GB...
Page 15 Sound pressure level(3) H/M/L dB(A) 39/33/29 Moisture removal l/hr Condenstate drain tube I.D Dimensions WxHxD 840x250x185 Net Weight Package dimensions WxHxD 930x320x265 Packaged weight Units per pallet units 36 units per pallet Stacking height units 9 levels SM YAZ318 1-A.1 GB...
Page 16: Rating Conditions
C DB Cooling Lower limit C DB 15 C WB C DB Upper limit C DB C DB 18 C WB Heating Lower limit C DB C DB -16 C WB 198 – 264 VAC Voltage SM YAZ318 1-A.1 GB...
Page 17: Outline Dimensions
OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit : PNXA009/012 SM YAZ318 1-A.1 GB...
Page 18 OUTLINE DIMENSIONS Indoor Unit : CK09/12 DCI Unit Main unit Insulation Front Step Front width Front height Effective Height Model 625/725 25/35 SM YAZ318 1-A.1 GB...
Page 19 OUTLINE DIMENSION Indoor Unit: SX09/12 DCI Indoor Unit: XLF09/12 DCI / AWSI-XLD009/012-N11 SM YAZ318 1-A.1 GB...
Page 20 OUTLINE DIMENSIONS Indoor Unit: DLF09/12 DCI SM YAZ318 1-A.1 GB...
Page 21 OUTLINE DIMENSION Indoor Unit: AWSI-HAD007/009-N11 Indoor Unit: AWSI-HAD012-N11 SM YAZ318 1-A.1 GB...
Page 22 OUTLINE DIMENSIONS Indoor Unit: AWSI-HFD007/009-N11 Indoor Unit: AWSI-HFD012-N11 SM YAZ318 1-A.1 GB...
Page 23 OUTLINE DIMENSION 4.10 OUTDOOR UNIT: YAZ318 SM YAZ318 1-A.1 GB...
Page 24: Performance Data
PERFORMANCE DATA PERFORMANCE DATA Outdoor Unit YAZ318 DCI Combinations 5.1.1 Cooling operating Energy Capacity Power Consumption [W] Indoor Nominal Efficiency model Class Nominal Min. Max. Nominal Min. Max. 2200 2200 1000 2600 3.41 2500 2500 1100 3500 1040 3.38 3500...
Page 25 SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.2.2 Capacity Correction Factors 32/23 29/21 27/19 24/17 22/15 Outdoor Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 26 Total Cooling Capacity SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.2.4 Capacity Correction Factors Outdoor WB Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 27 SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.3.2 Capacity Correction Factors 32/23 29/21 27/19 24/17 22/15 Outdoor Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 28 Total Cooling Capacity SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.3.4 Capacity Correction Factors Outdoor WB Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 29 SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.4.2 Capacity Correction Factors 32/23 29/21 27/19 24/17 22/15 Outdoor Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 30 Total Cooling Capacity SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.4.4 Capacity Correction Factors Outdoor WB Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 31 SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.5.2 Capacity Correction Factors 32/23 29/21 27/19 24/17 22/15 Outdoor Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 32 Total Cooling Capacity SC – Sensible Capacity PI – Power Input WB – Wet Bulb Temperature ( DB – Dry Bulb Temperature ( ID – Indoor OD - Outdoor 5.5.4 Capacity Correction Factors Outdoor WB Temperature [deg C] SM YAZ318 1-A.1 GB...
Page 33 Tubing Length Capacity Ratio - Cooling (1 Unit) 1.06 1.01 0.96 0.91 0.86 0.81 0.76 Tubing Length [m] 5.6.2 Heating Tubing Length Capacity Ratio - Heating (1 Unit) 1.06 1.01 0.96 0.91 0.86 0.81 0.76 Tubing Length [m] 5-10 SM YAZ318 1-A.1 GB...
Page 34: Operating Curves
OPERATING CURVES OPERATING CURVES Model: YAZ3 018 DCI 6.1.1 Cooling – Technician Mode SM YAZ318 1-A.1 GB...
Page 35 OPERATING CURVES 6.1.2 Heating – Technician Mode SM YAZ318 1-A.1 GB...
Page 36 OPERATING CURVES 6.1.3 Tubing Length correction Factor SM YAZ318 1-A.1 GB...
Page 37: Electrical Data
Inrush current is the current when power is up. (charging the DC capacitors at outdoor unit controller). • Starting current is the current when starting the compressor NOTE Power wiring cord should comply with local lows and electrical regulations requirements. SM YAZ318 1-A.1 GB...
Page 38: Wiring Diagram
CN401 WHITE CN402 RED CN304 WHITE P202 CN503 WHITE IDUA P203 CN303 IDUB DMSMP P204 IDUC CN302 P205 YELLOW IDUD Flash Port P201 CN301 GREEN To metal sheet FERRITE GRN/YEL BROWN BLUE BROWN BROWN BLUE BLUE SM YAZ318 1-A.1 GB...
Page 39: Refrigeration Diagram
REFRIGERATION DIAGRAM REFRIGERATION DIAGRAM YAZ318 Cooling Mode OUTDOOR UNIT INDOOR UNIT SM YAZ318 1-A.1 GB...
Page 40 REFRIGERATION DIAGRAM YAZ318 Heating Mode OUTDOOR UNIT INDOOR UNIT SM YAZ318 1-A.1 GB...
Page 41: Tubing Connections
TUBING CONNECTIONS TUBING CONNECTIONS 10-1 SM YAZ318 1-A.1 GB...
Page 42: Control System
Outdoor Fan OFAN Power Factor Corrector Residential A/C Reverse Cycle (Heat Pump) Return Gas Temperature sensor Return Liquid Temperature sensor Rounds per second (mechanical speed) Reverse Valve Stand By SB,STBY Software To Be Defined Timer 11-1 SM YAZ318 1-A.1 GB...
Page 43 IDU Matching Check • EEV’s homing (reset position) • Restoring Parameters from EEPROM/Jumpers/Dipswitches 11.3.1.1 IDU’s Initialization 11.3.1.1.1 Capacity Codes Setting The capacity groups of the IDU’s are translated into capacity codes according to the following table: 11-2 SM YAZ318 1-A.1 GB...
Page 44 The test comes to check the total IDU capacity code to match the outdoor unit capacity. The capacity groups of the IDU’s are translated into capacity codes according to the following table: Capacity group Capacity Code For Model S (YBD022/YAZ318) Total Detected IDU Code (Sum of IDU code) Detected IDU units Minimum Allowed Maximum Allowed Whenever the sum of the IDU code is outside the range the unit will be forced to Idle Mode and report: “Mismatch between IDU and ODU models”.
Page 45 When in ‘No Communication’ fault, the system will act as following: • If there is no communication in all channels, the following will be performed: The unit changes to SB. The system will scan all the communication. 11-4 SM YAZ318 1-A.1 GB...
Page 46 In order to upgrade the ODU software the auxiliary port will be used. A special application should be run on a PC to transmit the new firmware. Special programmer (Panasonic) should be used to update the S/W. SM YAZ318 1-A.1 GB 11-5...
Page 47 The temperature compensation can be enabled/disabled by shortening of J2 on the indoor unit controller. Model J2 Shorted J2 Opened Wall mounted Compensation Disabled Compensation Enabled Cassette Compensation Enabled Compensation Disabled Ducted Compensation Enabled Compensation Disabled Floor/Ceiling Compensation Disabled Compensation Enabled 11-6 SM YAZ318 1-A.1 GB...
Page 48 Limit NLOAD 11.4.8 Operating the Unit from the Mode Button Forced operation allows starting, stopping and operating in Cooling or Heating, in pre-set temperature according to the following table: Forced operation Mode Pre-set Temperature Cooling Heating SM YAZ318 1-A.1 GB 11-7...
Page 49 ... L → M → H → Auto → L → ... BUTTON Pressing this button increases the SPT by 1 TEMP. SETTING UP Note: The Max SPT is 30 BUTTON 11-8 SM YAZ318 1-A.1 GB...
Page 50 When Filter LED is on - turn off the FILTER INDICATOR after a clean filter has been reinstalled. RESET / FILTER When Filter LED is off – enable/disable the buzzer announcer, if BUTTON selected. In long pressing system enters set up mode (if in SB). SM YAZ318 1-A.1 GB 11-9...
Page 51 STBY. 11.5.2.2 Compressor Speed calculation During normal operation (excluding protections), the compressor speed is limited by the following table: Min Speed Max Speed Min Speed Max Speed Cool (check) Cool Heat Heat 11-10 SM YAZ318 1-A.1 GB...
Page 52 Power Shedding ON Cool No limit Nominal Cooling Heat No limit Nominal Heating 11.5.2.4 Outdoor Unit NLOAD calculation Compressor speed will be set between the minimum speed and the max speed according to the ODU NLOAD SM YAZ318 1-A.1 GB 11-11...
Page 53 EEV i is the EEV opening for each ‘i’ IDU. 11.5.3.5 EEV initial value determination The EEV initial value (open loop) is determined according to the number of the active indoor units, mode, and the capacity code of the unit. 11-12 SM YAZ318 1-A.1 GB...
Page 54 RV status will be changed only if COMP is OFF for 3 minutes or more. 11.5.6 Base Heater Setting Base heater should be ON when unit is in heating and according to the below graph. If OAT is disconnected, Base heater will be ON when unit is in heating. SM YAZ318 1-A.1 GB 11-13...
Page 55 ICT > 55 53 < ICT ≤ 55 49 < ICT ≤ 53 47 < ICT ≤ 49 45 < ICT ≤ 47 Norm Norm 43 < ICT ≤ 45 Norm Norm Norm ICT ≤ 43 Normal 11-14 SM YAZ318 1-A.1 GB...
Page 56 Deicing interval time is changed (increased/ decreased in 10 minutes steps) as a function of deicing time. If deicing time is shorter then former deicing time, the deicing interval time will be increased. If deicing time is longer then former deicing time, the deicing interval time will be decreased. SM YAZ318 1-A.1 GB 11-15...
Page 57 Each of the pins P1, P2, P3 can have two options: 1 – When it is shorted with P4 0 – When it is not shorted to P4 11.5.11.4 3 Levels Logic (used in floor/ceiling models) Level L2&3 11-16 SM YAZ318 1-A.1 GB...
Page 58 Don’t care Normal Don’t care Overflow Overflow when Overflow when unit is ON unit is OFF Overflow Water Level Normal OPER BLINK NLOAD is NLOAD forced to 0 PUMP 8 min 8 min 8 min SM YAZ318 1-A.1 GB 11-17...
Page 59 Elect ‘nID’ number under ‘it’, the selected number blinks. The factory setting value is 4. 3. Enter installation test (by either of the following): a. Select ‘bgn’ under ‘it’ menu. b. According to the following: 11-18 SM YAZ318 1-A.1 GB...
Page 60 ICT disconnected will be tested during the first 3 minutes of diagnostics installation test. Note: When the system terminates the tests due to the problem above, the matrix results will present partial test. SM YAZ318 1-A.1 GB 11-19...
Page 61 EEV driver problem • Clogged indoor unit or part of it. • Problem in ICT sensor • Extremely high load at the indoor side ‘o’ • Valve always open • EEV coil problem • Driver Problem 11-20 SM YAZ318 1-A.1 GB...
Page 62 EEV in channel A is always open 3--:C_ Do not know where to put wire 3 EA-:Oc EEV in channel A can be open or close EB-:Oc EEV in channel B can be open or close SM YAZ318 1-A.1 GB 11-21...
Page 63 This mode is entered through the outdoor unit using the HMI (refer to user interface section). It can be selected either for cool or heat. o Technician test is not possible to enter during deicer. 11.7.2 Technician mode procedure 11-22 SM YAZ318 1-A.1 GB...
Page 64 OFAN speed Cool Heat YAZ318 810rpm 11.7.3 Exiting technician mode Technician mode will be exited either when: o Escaping by the HMI (exiting the ttC or ttH menus) o 60 minutes are passed from entering SM YAZ318 1-A.1 GB 11-23...
Page 65 After 2 seconds, if the button continues to be held in, the rate of change will increase to 10 steps per second. o The display will not roll over during selection (for example stop/Ode/Dia/Stp/Par/stop) 11-24 SM YAZ318 1-A.1 GB...
Page 66 (‘id’ + the number of communicative IDUs number) shown for 2 sec. o Active fault (among ODU or IDUs), each to be shown for 2 sec. 2. In diagnostics menu: xx means failure code. SM YAZ318 1-A.1 GB 11-25...
Page 67 ‘no-communication’ will be shown under the relevant indoor unit diagnostics. In addition to the indoor diagnostics, these faults will be also shown as well under the default show. 10. When Alpha and numeric values are combined, they will be separated by dot. 11-26 SM YAZ318 1-A.1 GB...
Page 68 RGT1 (RGA) ╠══ RGT2 (RGB) ╠══ RGT3 (RGC) ╠══ RGT4 (RGD) ╠══ RLT1 (RLA) ╠══ RLT2 (RLB) ╠══ RLT3 (RLC) ╠══ RLT4 (RLD) ╠══ EEV A (EEA) ╠══ EEV B (EEB) ╠══ EEV C (EEC) SM YAZ318 1-A.1 GB 11-27...
Page 69 The models A, b, C, and d will be presented -A-, -b-, -c-, and -d- respectively. 11.9 Jumper settings ODU4 ODU3 ODU2 ODU1 ODU0 Compressor Type Model Single Split Multi Split Sanyo Mitsubishi Panasonic Panasonic TOSHIBA TOSHIBA 11-28 SM YAZ318 1-A.1 GB...
Page 70 Hz / Sec/NA Second StopRise InstTestIFANOffTime minute °C DImin InstTestDeltaICT Minute °C DImax OATInstTst Minute TimeD PI_Time_Cnst Minute DTmin EEVLogicType Minute °C MaxLWTHeating Minute CTMRUP Minute Second minute CompBalanceTimeA minute IDUChngBalanceTime minute CompBalanceTimeIA second DEICT1 SM YAZ318 1-A.1 GB 11-29...
Page 71 HSTOH4 ICTOH1 °C °C HSTOH5 ICTOH2 °C °C EEVSCProtection ICTOH3 °C Step EEVMinOperOpenC ICTOH4 °C Step EEVMaxOperOpenC ICTOH5 12.807 Step EEVMinOperOpenH EEV_OL_Alpha1_S_C 0.088 Step EEVMaxOperOpenH EEV_OL_Beta1_S_C 1.381 Step EEVMinOperOpenHInactive EEV_OL_ Gamma1 _S_C -177 EEV_OL_Delta1 _S_C 11-30 SM YAZ318 1-A.1 GB...
Page 72 148. EEV_OL_OAT1_S_H EEV_OL_Delta _M3_H 120. 149. EEV_OL_OAT2_S_H EEV_OL_Alpha_M4_H 121. 150. 12.026 EEV_OL_Alpha_M1_C EEV_OL_Beta_M4_H 122. 151. 0.576 EEV_OL_Beta_M1_C EEV_OL_ Gamma _M4_H 123. 152. 1.16 EEV_OL_ Gamma _M1_C EEV_OL_Delta _M4_H 124. -179 EEV_OL_Delta _M1_C 125. 5.34 EEV_OL_Alpha_M2_C SM YAZ318 1-A.1 GB 11-31...
Page 73 ICT to ‘stop rise’ when ICT increase ICTOH3 ICT to ‘stop rise’ when ICT is stable ICTOH4 ICT to ‘Hz Down’ when ICT increase ICTOH5 ICT to ‘Hz Down’ when ICT is stable ICTOH6 ICT to stop compressor 11-32 SM YAZ318 1-A.1 GB...
Page 74: Troubleshooting
Outdoor unit display board and leds are off No power supply Check the connections and the wiring on the main terminal - Repair if needed. Check PFC choke connection 12-1 SM YAZ318 1-A.1 GB...
Page 75 Mode where the system operates as in fixed settings. The performance curves given in this manual are given for unit performance in Technician mode when high indoor fan speed is selected. For entering technician mode, refer to 11.7. 12-2 SM YAZ318 1-A.1 GB...
Page 76 Missing ODU configuration Undefined ODU Model Outdoor/Indoor Coil Overheating Operation conditions are exceeded One – ON, 0 – OFF Only one code is shown. Order of priority is 1-24. Diagnostics is continuously ON as long power is SM YAZ318 1-A.1 GB 12-3...
Page 77 Check communication (12.4.7) System Over Power Compressor stopped due to over No action required power protection PFC Current sensor Controller cannot detect valid AC If error is continuously being display, line current after compressor start replace controller. 12-4 SM YAZ318 1-A.1 GB...
Page 78 (heating). Operation conditions For cooling: This is not a fault but information on are exceeded the ambient operation: The unit operates outside the defined operation range. The OAT fakes and cause false For Heating: alarm. SM YAZ318 1-A.1 GB 12-5...
Page 79 Ro(ODU) No com All ok Voltage To (ODU) no changes. (DMSMP) Indoor 4 Exchange with other (IDU) Indoor 4 know problem is in the IDU T4(IDU) All ok or the DMSMP. R4(DMMSP) All ok 12-6 SM YAZ318 1-A.1 GB...
Page 80  Model C  Model D 1 - ON, 0 - OFF Only one code is shown. Order of priority is lower to the higher number. Diagnostics is continuously ON as long power is on. SM YAZ318 1-A.1 GB 12-7...
Page 81 230VAC. if no power supply to RV, Check RV operation with direct 230VAC power supply, if OK, replace outdoor controller. Valve - if RV solenoid is OK (as above) but still no heating operation while compressor is On, replace the valve. 12-8 SM YAZ318 1-A.1 GB...
Page 82 3. Change the wireless device's antenna to a high sensitivity antenna. 4. Change the antenna cable to a BS coaxial cable. 5. Use a noise filter (for the wireless device). 6. Use a signal booster. SM YAZ318 1-A.1 GB 12-9...
Page 83 • When connecting or disconnecting the connectors on the PCB, hold the whole housing, do not pull the wire. • There are sharp fringes and sting on shell. Use gloves when disassemble the A/C units. 12-10 SM YAZ318 1-A.1 GB...
Page 84: Exploded View And Spare Part List
EXPLODED VIEW AND SPARE PART LIST EXPLODED VIEW AND SPARE PART LIST 13.1 Multi YAZ318 – Exploded View SM YAZ318 1-A.1 GB 13-1...
Page 85 EXPLODED VIEW AND SPARE PART LIST 13.2 Multi YAZ318 DCI – Spare Part List Item Seq Item Description Quantity 4517144 FAN COVER PP+UV/GRILL A 452795700 PAINTED LEFT CABINET ASSY 464660009 Front Plate Painting Assy./DCI TRIO DELTA 466100048R Metal Motor /YBD022...
Page 86 EXPLODED VIEW AND SPARE PART LIST 14. APPENDIX A INSTALLATION AND OPERATION MANUAL SM YAZ318 1-A.1 GB 14-1...

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Airwell YAZ318 Service Manual

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