Page 1 ECO DESIGN 2014 DLSE DC Inverter Series Indoor Units Outdoor Units DLS( 18 DCI YBDE018-H11 DLS( 24 DCI YBDE024-H11 DLS( 30 DCI YBDE030-H11 YBD036-H11 DLS( 36 DCI YAD036-H13 YBD042-H11 DLS 43 DCI YAD042-H13 REFRIGERANT R410A HEAT PUMP $8* – 201 SM DLSDCI 3-A.2 GB...
Page 2 LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page (when none indicates no changes in the relevant page). All pages in the following list represent effected/ non effected pages divided by chapters.
Page 3: Table Of Contents
TABLE OF CONTENTS Table of Contents INTRODUCTION ....................1-1 PRODUCT DATA SHEET ..................2-1 RATING CONDITIONS ..................3-1 OUTLINE DIMENSIONS ..................4-1 PERFORMANCE DATA & PRESSURE CURVES ..........5-1 AIRFLOW CURVES ....................6-1 SOUND LEVEL CHARACTERISTICS ..............7-1 ELECTRICAL DATA ....................8-1 WIRING DIAGRAMS .....................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.
Page 4: Introduction
INTRODUCTION INTRODUCTION General The new DLS DC INVERTER split unit range comprises the following RC (heat pump) models: ‡ '/6( ‡ '/6( ‡ '/6( ‡ '/6( ‡ '/6 Remote control compatibility The units are compatible with remote controls RC3, RC4, RC7, RC8 Inverter description 8QOLNH VWDQGDUG XQLWV ¿[ 530 WKDW DUH VHOHFWHG DFFRUGLQJ WR WKHLU QRPLQDO FDSDFLW\ WR RYHUFRPH WKH PD[LPXP UHTXLUHG ORDG '&...
Page 5 INTRODUCTION ‡ 0RQLWRULQJ VRIWZDUH 3& SRUW IRU KLJK OHYHO VHUYLFH ‡ &RROLQJ RSHUDWLRQ DW RXWGRRU WHPSHUDWXUH GRZQ WR ƒ& ‡ +HDWLQJ RSHUDWLRQ DW RXWGRRU WHPSHUDWXUH GRZQ WR ƒ& ‡ 8S WR 3D ([WHUQDO VWDWLF SUHVVXUH PRVW XQLWV ,QGRRU 8QLW The DLS DCI LQGRRU XQLW LV D ORZ VLOKRXHWWH GXFWHG XQLW DQG FDQ EH HDVLO\ ¿WWHG WR many type of residential and commercials applications.
Page 6 INTRODUCTION ‡ Fan grill air outlet. ‡ 6HUYLFH YDOYHV´ ÀDUH´ W\SH FRQQHFWLRQ ‡ 6HUYLFH SRUWV IRU KLJK ORZ SUHVVXUH PHDVXUHPHQW ‡ Interconnecting wiring terminal blocks. 7XELQJ &RQQHFWLRQV Flare type-interconnecting tubing to be produced on site. 8QLWV FDQ EH LQVWDOOHG ZLWK PHWHU SLSH OHQJWK DQG PHWHU KHLJKW GLIIHUHQFH ZLWKRXW oil traps.
Page 7 INTRODUCTION 0DWFKLQJ 7DEOH INDOOR UNITS OUTDOOR 02'(/ DLS(18 DLS(24 '/6( DLS(36 DLS 43 <%'(+ ¥ <%'(+ ¥ <%'(+ ¥ <%'+ ¥ <%'+ ¥ <$'+ ¥ SM DLSDCI 3-A. GB...
Page 8: Product Data Sheet
PRODUCT DATA SHEET PRODUCT DATA SHEET DLSE 18 DCI Model Indoor Unit AWSI-DLSE018 –N11 Model Outdoor Unit AWAU-YBDE018-H11 Installation Method DUCTED Heating Characteristics Units Cooling Average Warmer Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 2896 1592 Tbiv Capacity Range (min÷max) 2.3÷5.9...
Page 9 PRODUCT DATA SHEET DLSE 24 DCI Model Indoor Unit AWSI-DLSE024 –N11 Model Outdoor Unit AWAU-YBDE024-H11 Installation Method DUCTED Heating Characteristics Units Cooling Average Warmer Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 1122 4056 2032 Tbiv Capacity Range (min÷max) 1.7÷7.4 1.8÷8.5...
Page 10 PRODUCT DATA SHEET DLSE 30 DCI Model Indoor Unit AWSI-DLSE030 –N11 Model Outdoor Unit AWAU-YBDE030-H11 Installation Method DUCTED Heating Characteristics Units Cooling Average Warmer Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 1224 4502 2680 Tbiv Capacity Range (min÷max) 2.8÷8.4 2.8÷9.4...
Page 11 PRODUCT DATA SHEET DLSE 36 DCI 1PH Model Indoor Unit AWSI-DLSE036–N11 Model Outdoor Unit AWAU-YBD036-H11 Installation Method DUCTED Heating Characteristics Units Cooling Average Warmer Pdesign 10.2 SEER / SCOP Energy efficiency class Annual energy consumption 1524 5136 2972 Tbiv Capacity Range (min÷max) 2.8÷11.2 2.7÷12.5...
Page 12 PRODUCT DATA SHEET DLS 36 DCI 3PH Model Indoor Unit AWSI-DLSE036–N11 Model Outdoor Unit AWAU-YBD036-H11 Installation Method DUCTED Heating Characteristics Units Cooling Average Warmer Pdesign 10.2 SEER / SCOP Energy efficiency class Annual energy consumption 1524 5136 2972 Tbiv Capacity Range (min÷max) 2.8÷11.2 2.7÷12.5...
Page 13 PRODUCT DATA SHEET DLS 43 DCI 3PH Model Indoor Unit DLS 43 DCI R410A AW Model Outdoor Unit AWAU-YAD042-H13 Installation Method of Pipe Flared Characteristics Units Cooling Heating Btu/hr 42,650(16,000~49,500) 45,000(16,000~54,600) Capacity - Nominal (Minimum~ Maximum) 12.5 (4.5~14.0) 14.0 (4.5~16.0) Power Input –...
Page 14 PRODUCT DATA SHEET DLS 43 DCI 1 PH DLS 43 DCI Model Indoor Unit YBD 042 H11 Model Outdoor Unit DUCTED Installation Method Characteristics Units Cooling Heating Btu/hr 42,650 (15,350-49,470) 47,770 (15,350-54,590) Capacity - Nominal (Minimum ~ Maximum) 12.5 (4.5-14.5) 14.0 (4.5-16.0) ( (1) Power Input - Nominal (Minimum ~ Maximum)
Page 15: Rating Conditions
RATING CONDITIONS RATING CONDITIONS Standard conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Cooling: Indoor: C DB 19 C WB Outdoor: 35 C DB Heating: Indoor: C DB Outdoor: 7 C DB 6 C WB Operating Limits Indoor...
Page 16: Outline Dimensions
OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: DLS( 18 / 24 / 30 / 36 / 43 DCI Model DLS( 18,24,30 790 653 749 162 242 101 DLS( 36, 43 854 715 815 282 131 SM DLSDCI 3-A. GB...
Page 17 OUTLINE DIMENSIONS Outdoor Unit: YBDE018 / 024 Outdoor Unit: YBDE030 SM DLSDCI 3-A.1 GB...
Page 18 OUTLINE DIMENSIONS Outdoor Unit: YBDE036-H11+ Outdoor Unit: YAD042-H13 , YBD042-H11 SM DLSDCI 3-A. GB...
Page 19: Performance Data & Pressure Curves
PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA & PRESSURE CURVES DLS 18 DCI - H11 5.1.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [ OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [ 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 20 PERFORMANCE DATA & PRESSURE CURVES 5.1.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 3.56 3.32 3.07 -15/-16 0.88 0.97 1.05 3.97 3.72 3.47 -10/-12 1.06 1.15 1.23 4.27 4.02 3.77 -7/-8 1.19 1.28...
Page 21 PERFORMANCE DATA & PRESSURE CURVES 5.1.3 Pressure Curves Cooling – Technician Mode) 5.1.3.1 Cooling Suction Pressure VS.Outdoor Temp'. 1400 Indoor DB/WB 1300 Temp. 1200 1100 22/15 1000 24/17 27/19 29/21 32/23 Outdoor DB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 4000 3750 Indoor DB/WB 3500...
Page 22 PERFORMANCE DATA & PRESSURE CURVES 5.1.3.2 Heating Suction Pressure VS.Outdoor Temp'. 1100 Indoor DB 1000 Temp'. Outdoor WB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3900 Indoor DB 3650 Temp'. 3400 3150 2900 2650 2400 2150 1900 1650 1400 Outdoor WB Temperature[ºC] SM DLSDCI 3-A.1 GB...
Page 23 PERFORMANCE DATA & PRESSURE CURVES DLS 24 DCI - H11 5.2.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [C0] OD COIL ENTERING AIR DB TEMPERATURE [C0] DATA 22/15 24/17 27/19 29/21 32/23 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 24 PERFORMANCE DATA & PRESSURE CURVES 5.2.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB TEMPERATURE [°C] DATA 4.84 4.50 4.16 -15/-16 1.25 1.38 1.50 5.38 5.05 4.71 -10/-12 1.50 1.63 1.76 5.80 5.46 5.12 -7/-8 1.70 1.82...
Page 25 PERFORMANCE DATA & PRESSURE CURVES 5.2.3 Pressure Curves Cooling – Technician Mode) 5.2.3.1 Cooling Suction Pressure VS.Outdoor Temp'. 1400 1300 Indoor DB/WB 1200 Temp. 1100 22/15 1000 24/17 27/19 29/21 32/23 Outdoor DB Temperature [ºC] Discharge Pressure VS. Outdoor Temp'. 4000 Indoor DB/WB 3750...
Page 26 PERFORMANCE DATA & PRESSURE CURVES 5.2.3.2 Heating Suction Pressure VS.Outdoor Temp'. 1300 Indoor DB 1200 1100 Temp'. 1000 Outdoor WB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3950 3700 Indoor DB 3450 Temp'. 3200 2950 2700 2450 2200 1950 1700 1450 1200 Outdoor WB Temperature[ºC] SM DLSDCI 3-A.1 GB...
Page 27 PERFORMANCE DATA & PRESSURE CURVES DLS 30 DCI - H11 5.3.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [ OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [ 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 28 PERFORMANCE DATA & PRESSURE CURVES 5.3.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 5.47 5.09 4.71 -15/-16 1.44 1.59 1.73 6.09 5.71 5.33 -10/-12 1.74 1.88 2.03 6.56 6.17 5.79 -7/-8 1.96 2.10...
Page 29 PERFORMANCE DATA & PRESSURE CURVES 5.3.3 Pressure Curves Cooling – Technician Mode) 5.3.3.1 Cooling Suction Pressure VS.Outdoor Temp'. 1400 Indoor DB/WB 1300 Temp. 1200 22/15 1100 24/17 1000 27/19 29/21 32/23 Outdoor DB Temperature [ºC] Discharge Pressure VS. Outdoor Temp'. 4000 3750 Indoor DB/WB...
Page 30 PERFORMANCE DATA & PRESSURE CURVES 5.3.3.2 Heating Suction Pressure VS.Outdoor Temp'. 1300 1200 Indoor DB 1100 Temp'. 1000 Outdoor WB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3950 3700 Indoor DB 3450 Temp'. 3200 2950 2700 2450 2200 1950 1700 1450 1200 Outdoor WB Temperature[ºC] 5-12...
Page 31 PERFORMANCE DATA & PRESSURE CURVES DLS 36 DCI - H11 5.4.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [C0] OD COIL ENTERING AIR DB TEMPERATURE [C0] DATA 22/15 24/17 27/19 29/21 32/23 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 32 PERFORMANCE DATA & PRESSURE CURVES 5.4.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB TEMPERATURE [°C] DATA 6.49 6.04 5.58 -15/-16 1.62 1.79 1.95 7.23 6.77 6.32 -10/-12 1.95 2.12 2.28 7.78 7.32 6.87 -7/-8 2.20 2.37...
Page 33 PERFORMANCE DATA & PRESSURE CURVES 5.4.3 Pressure Curves Cooling – Technician Mode) 5.4.3.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
Page 34 PERFORMANCE DATA & PRESSURE CURVES 5.4.3.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-16 SM DLSDCI 3-A.1 GB...
Page 35 PERFORMANCE DATA & PRESSURE CURVES DLS 36 DCI - H13 5.5.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [C0] OD COIL ENTERING AIR DB TEMPERATURE [C0] DATA 22/15 24/17 27/19 29/21 32/23 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 36 PERFORMANCE DATA & PRESSURE CURVES 5.5.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB TEMPERATURE [°C] DATA 7.13 6.63 6.13 -15/-16 1.95 2.15 2.35 7.94 7.44 6.94 -10/-12 2.35 2.55 2.75 8.54 8.04 7.54 -7/-8 2.65 2.85...
Page 37 PERFORMANCE DATA & PRESSURE CURVES 5.5.3 Pressure Curves Cooling – Technician Mode) 5.5.3.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
Page 38 PERFORMANCE DATA & PRESSURE CURVES 5.5.3.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-20 SM DLSDCI 3-A.1 GB...
Page 39 PERFORMANCE DATA & PRESSURE CURVES DLS 43 DCI - H11 5.6.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [C0] OD COIL ENTERING AIR DB TEMPERATURE [C0] DATA 22/15 24/17 27/19 29/21 32/23 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 40 PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB TEMPERATURE [°C] DATA 8.91 8.29 7.67 -15/-16 2.58 2.84 3.11 9.92 9.30 8.67 -10/-12 3.11 3.37 3.64 10.68 10.05 9.43 -7/-8 3.51 3.77...
Page 41 PERFORMANCE DATA & PRESSURE CURVES 5.6.3 Pressure Curves Cooling – Technician Mode) 5.6.3.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
Page 42 PERFORMANCE DATA & PRESSURE CURVES 5.6.3.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-24 SM DLSDCI 3-A.1 GB...
Page 43 PERFORMANCE DATA & PRESSURE CURVES DLS 43 DCI - H13 5.7.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [C0] OD COIL ENTERING AIR DB TEMPERATURE [C0] DATA 22/15 24/17 27/19 29/21 32/23 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
Page 44 PERFORMANCE DATA & PRESSURE CURVES 5.7.2 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB TEMPERATURE [°C] DATA 8.91 8.29 7.67 -15/-16 2.58 2.84 3.11 9.92 9.30 8.67 -10/-12 3.11 3.37 3.64 10.68 10.05 9.43 -7/-8 3.51 3.77...
Page 45 PERFORMANCE DATA & PRESSURE CURVES 5.7.3 Pressure Curves Cooling – Technician Mode) 5.7.3.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
Page 46 PERFORMANCE DATA & PRESSURE CURVES 5.7.3.2 Heating Suction Pressure - Heating (Technician Mode) 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 3950 3700 3450 3200 2950 2700 2450 2200 1950 1700 1450 1200 Outdoor WB Temperature [°C] 5-28 SM DLSDCI 3-A.1 GB...
Page 47 PERFORMANCE DATA & PRESSURE CURVES Capacity Correction Factor for Tubing Length 5.8.1 Cooling 1.05 1.00 0.95 0.90 0.85 0.80 0.75 Tubing Lenght [m] 5.8.2 Heating 1.05 1.00 0.95 0.90 0.85 0.80 0.75 Tubing Lenght [m] SM DLSDCI 3-A.1 GB 5-29...
Page 48 PERFORMANCE DATA & PRESSURE CURVES Pressure Correction Factor for Tubing Length 5.9.1 Cooling Pressure vs Tubing Lenght (COOLING) 1.02 1.02 1.00 1.00 Cooling Discharge Pressure 0.98 0.98 0.96 0.96 0.94 0.94 Cooling Suction Pressure 0.92 0.92 0.90 0.90 0.88 0.88 0.86 0.86 Total Tubing Length [m]...
Page 49 PERFORMANCE DATA & PRESSURE CURVES 5.10 Capacity Correction Factors (Cooling) Outdoor Temperature DB [deg C] 5.11 Capacity Correction Factors (Heating) Outdoor WB Temperature [deg C] SM DLSDCI 3-A.1 GB 5-31...
Page 50 PERFORMANCE DATA & PRESSURE CURVES 5.12 Calculation Example Outdoor Unit YBD042-H11 Indoor Unit DLS 43 DCI Operation Mode Cooling Mode Conditions Indoor 22qCDB/15qWB Conditions Oudoor 30qCDB Tubing length Cooling Capacity calculation: Total Cooling Capacity (TC) [KW] = Capacity in conditions table x F Cooling Capacity in table [KW] Tubing Length Factor (F Corrected Capacity [KW]...
Page 51: Airflow Curves
AIRFLOW CURVES AIRFLOW CURVES Model: DLS 18 DCI Airflow Vs. External Static Pressure Turbo Speed High Speed Medium Speed Low Speed Nominal System Resistance Max System Curve Point for Performance test 1000 1100 1200 1300 1400 Air Flow Rate, m^3/hr SM DLSDCI 3-A.1 GB...
Page 52 AIRFLOW CURVES Model: DLS 24/30 DCI Airflow Vs. External Static Pressure Turbo Speed High Speed Medium Speed Low Speed Nominal System Curve Max System Curve Point for Performance test 1000 1100 1200 1300 1400 1500 1600 1700 Air Flow Rate, m^3/hr SM DLSDCI 3-A.1 GB...
Page 53 AIRFLOW CURVES Model: DLS 36 DCI Airflow Vs. External Static Pressure Turbo Speed High Speed Medium Speed Low Speed Nominal system Curve Max System Curve Point for Performance test 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 Air Flow Rate, m^3/hr Model: DLS 43 DCI...
Page 54 AIRFLOW CURVES DLS UNITS RANGE AIR FLOW CORRECTION FACTORS (at nominal rating conditions — Test mode). Air Flow Rate [% of nominal] 100% 0.88 0.91 0.94 0.97 Cooling 0.78 0.84 0.89 0.95 0.95 0.97 0.98 0.99 1.07 1.05 1.03 1.02 Heating 0.90 0.92...
Page 55: Sound Level Characteristics
SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Indoor Units Test Scheme Figure 1 Sound Pressure Level Spectrum (Measured as Figure 1) DLS 18 FAN SPEED LINE SM DLSDCI 3-A.1 GB...
Page 56 SOUND LEVEL CHARACTERISTICS DLS 24 DLS 30 DLS 30 DLS 36 DLS 43 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz FAN SPEED LINE...
Page 57 SOUND LEVEL CHARACTERISTICS Outdoor Units 1.0 m Center for Unit Figure 2 Sound Pressure Level Spectrum ( Measured as Figure 2) YBDE 018/024 - H11 Cooling YBDE 018/024 - H11 Heating 1RLVH VSHFWUXP 1& &XUYHV 1RLVH VSHFWUXP 1& &XUYHV 1& 1& 1& 1&...
Page 58 SOUND LEVEL CHARACTERISTICS YBD036 - H11+ Cooling YBD 036 - H11+ Heating YBD 042 - H11 Cooling YBD 042 - H11 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR NC-20 CONTINUOUS HEARING FOR...
Page 59 SOUND LEVEL CHARACTERISTICS YAD 042-H13 Cooling YAD 042H13 Heating 1RLVH VSHFWUXP 1& &XUYHV 1RLVH VSHFWUXP 1& &XUYHV 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& ...
Page 60: Electrical Data
ELECTRICAL DATA ELECTRICAL DATA Single Phase Units (DLS 18-30) MODEL DLSE 18 DLSE 24 DLSE 30 Power Supply 1 PH ,220-240VAC ,50HZ Connected to Indoor or Outdoor Outdoor Maximum Current 45 A Inrush Current 15 A Starting Current Circuit Breaker 20 A 3RZHU 6XSSO\ :LULQJ 1R &URVV 6HFWLRQ...
Page 61: Wiring Diagrams
WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit: DLSE 18/24/30 DCI Indoor Unit: DLSE 36 DCI SM DLSDCI 3-A.2 GB...
Page 62 WIRING DIAGRAMS Indoor Unit: DLS 43 DCI SM DLSDCI 3-A.2 GB...
Page 63 WIRING DIAGRAMS Outdoor Units: YBDE 018/024 - H11 YEL/GRN CHOCK OFAN COMP REVERSE COIL VALVE Optional P104 P106 P503 P501 P201 P202 P604 P801 P802 P108 P109 P105 P804 P803 P502 CN802 FUSE Outdoor Unit Controller CN801 FLASH P805 P602 P601 MODEL P102...
Page 64 WIRING DIAGRAMS Outdoor Unit: YBD036 - H11 DANGER!! ATTENTION: HIGH DC VOLTAGE!! FOR INDOOR UNIT ELECTRICAL WIRING REFER TO INDOOR UNIT DIAGRAM DO NOT TOUCH WHILE LED'S ARE ON AND 3 MINUTE AFTER POWER OFF LINE FILTER POWER SUPPLY(BY INSTALLER): Chock Coils 1PH/230VAC / 50Hz...
Page 65 WIRING DIAGRAMS Outdoor Unit: YBD042 - H11 ATTENTION: POWER SUPPLY(BY INSTALLER): DANGER!! HIGH DC VOLTAGE!! FOR INDOOR UNIT 1PH 230VAC / 50Hz 4HP - 3x 4mm² DO NOT TOUCH WHILE LED'S ELECTRICAL WIRING REFER 5HP - 3x 6mm² ARE ON AND 1 MINUTE AFTER 6HP - 3x 6mm²...
Page 66 WIRING DIAGRAMS Outdoor Unit: YAD036/042 - H13 $77(17,21 32:(5 6833/<%< ,167$//(5 '$1*(5 +,*+ '& 92/7$*( )25 ,1'225 81,7 3+9$& +] [ PPð '2 127 728&+ :+,/( /(' 6 (/(&75,&$/ :,5,1* 5()(5 $5( 21 $1' 0,187( $)7(5 &$%/( %(7:((1 ,1'225 $1' 32:(5 2)) 72 ,1'225 81,7 ',$*5$0 287'225 81,76...
Page 67 WIRING DIAGRAMS 9.10 1PH UNITS POWER SUPPLY TO INDOOR (DLS 18) (5.0 kW ‫)יחידת‬ C N L Indoor Unit Power Supply Cable Outdoor Unit Interconnecting Cable (4x2.5mm Wireless Remote Control Display Unit Display Connector Power Breaker (*by installer) * The power breaker must be of type that disconnects all poles with 3 mm contact opening. ** Use shielded cable and connect the shield to earth point SM DLSDCI 3-A.1 GB...
Page 68 WIRING DIAGRAMS 9.11 1PH UNITS POWER SUPPLY TO OUTDOOR (DLS 18,24) C N L Indoor Unit Power Supply Cable Main Power Breaker Outdoor Unit Interconnecting Cable (4x2.5mm Wireless Remote Control Display Unit Display Connector Power Breaker (*by installer) * The power breaker must be of type that disconnects all poles with 3 mm contact opening. ** Use shielded cable and connect the shield to earth point SM DLSDCI 3-A.1 GB...
Page 69 WIRING DIAGRAMS 9.12 1PH UNITS POWER SUPPLY TO OUTDOOR (DLS 30) (8.0 kW ‫)יחידת‬ Indoor Unit Power Supply Cable Main Power Breaker Outdoor Unit Interconnecting Cable (4x2.5mm Wireless Remote Control Display Unit Display Connector Power Breaker (*by installer) * The power breaker must be of type that disconnects all poles with 3 mm contact opening. ** Use shielded cable and connect the shield to earth point SM DLSDCI 3-A.1 GB...
Page 70 WIRING DIAGRAMS 9.13 1PH UNITS POWER SUPPLY TO OUTDOOR (10.0, 12.5, 14.0 kW units) Indoor Unit Power Supply Cable Main Power Breaker Outdoor Unit Interconnecting cable (2x0.75mm Power Interconnecting Cable (3x1.5mm Wireless remote Control Display Unit Display Connector Power Breaker (*by installer) Control Cable** Sensor Wire with connector Room Temperature Sensor...
Page 71 WIRING DIAGRAMS 9.14 1PH UNITS POWER SUPPLY TO OUTDOOR and INDOOR UNIT SEPARATELY (10.0, 12.5, 14.0 kW units) 1. Indoor Unit 2. Power Supply Cable 3. Main Power Breaker 4. Outdoor Unit 5. Interconnecting cable (2x0.75mm 6. Wireless remote Control 7.
Page 72 WIRING DIAGRAMS 9.15 3PH UNITS POWER SUPPLY TO OUTDOOR UNIT L3 L2 Indoor Unit Power Supply Cable Main Power Breaker Outdoor Unit Interconnecting cable (2x0.75mm Power Interconnecting Cable (3x1.5mm Wireless remote Control Display Unit Display Connector Power Breaker (*by installer) Control Cable** Sensor Wire with connector Room Temperature Sensor...
Page 73 WIRING DIAGRAMS 9.16 3PH UNITS POWER SUPPLY TO OUTDOOR and INDOOR UNIT SEPARATELY L3 L2 1. Indoor Unit 2. Power Supply Cable 3. Main Power Breaker 4. Outdoor Unit 5. Interconnecting cable (2x0.75mm 6. Wireless remote Control 7. Display Unit 8.
Page 74: Refrigeration Diagrams
REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models (Optional) (Optional) Oil cappilary tube 2.5mmx0.6mmx1000mm Line accumulator Compressor separator (Optional) (Optional) Gas valve 4 Way valve Flared Connection Filter Liquid valve Outdoor heat exchanger OUTDOOR UNIT INDOOR UNIT Refrigerant flow (Cooling) Refrigerant flow (Heating) SM DLSDCI 3-A.1GB 10-1...
Page 75: Tubing Connections
TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ´ ½” ´ ¾” TORQUE (Nm) Flare Nuts 15-18 40-45 60-65 70-75 80-85 Valve Cap 13-20 13-20 18-25 18-25 40-50 Service Port Cap 11-13 11-13 11-13 11-13 11-13 Valve Protection Cap-end Refrigerant Valve Port (use Allen wrench to open/close) Valve Protection Cap Refrigerant Valve Service Port Cap...
Page 76: Control System
CONTROL SYSTEM CONTROL SYSTEM 12.1 Abbreviations Abbreviation 'H¿QLWLRQ Air Conditioner Building Management System Compressor Current Crankcase Heater COMP Compressor Compressor Top Temperature sensor DC Inverter DMSMP Dummy Multi Split multi Pipe – Control board E²PROM, EEP Erase Enable Programmable Read Only Memory Electronic Expansion Valve Heating Element Human Machine Interface...
Page 77 CONTROL SYSTEM 12.2 Product Overview 12.2.1 Block Diagram Line Filter Compressor 230VAC Driver 400VAC Speed AC Current DC Current Fault codes Inrush Driver Control Control ODU Controller OFAN Control OFAN Display IDU Controller Control Communication IFAN Temp. 230V Inputs Control contacts Inputs Outputs...
Page 78 CONTROL SYSTEM 12.2.2 Controller overview 12.2.2.1 Main Controller Indoor Unit (DLS 43) Fuse 3.15A Indoor Fan Horizontal Louvers Pump Comm. To ODU Power Supply RCW Connection Display PCB Clock Swing Motor Room Sensor (RAT) DIP-SWITCHES Indoor Coil Sensor (ICT) M2L (PC Tool) Level IR Jumper Connection to Display Cable...
Page 79 CONTROL SYSTEM 12.2.2.3 Main Controller Outdoor Unit YBDE018/024 12.2.2.4 Main Controller Outdoor Unit YBDE030 SM DLSDCI 3-A.2 GB 12-4...
Page 80 CONTROL SYSTEM 12.2.2.5 Display Board Display Display Board PCB Legend Name Plate Cooling LED Heating LED Push Button (Mode) Timer LED STBY LED Operation LED IR Receiver Buzzer 10. Display Port Connection 12.2.2.6 New Display Board Legend 1. Mode Button 2.
Page 81 CONTROL SYSTEM 12.2.3 Control Features 12.2.3.1 Compressor DC brush less and sensor less motor inverter driven compressor. 12.2.3.2 Compressor Drive DC inverter module to drive compressor. 12.2.3.3 Outdoor Fan DC brush less motor(s) drive the outdoor unit fan(s). 12.2.3.4 5HYHUVH 9DOYH VHW WKH GLUHFWLRQ RI UHIULJHUDQW ÀRZ LQ WKH V\VWHP WKXV VHWWLQJ WKH RSHUDWLRQ PRGH IRU FRROLQJ RU heating.
Page 82 CONTROL SYSTEM 12.2.3.9 Base Heater Heating element designed to melt any ice that is accumulated on the outdoor unit base during low heating operation. The base heater will be working only when RV is “ON” according to the following graph: Base Heater When OAT is faulty the base heater will be “ON”...
Page 83 CONTROL SYSTEM 12.3 General Operating Rules 12.3.1 Power up Sequence After Power up A/C must perform some initialization procedures. Thermistors short/disconnect. Compressor Driver communication connected and error codes if any. Fans connected – check feedback. EEPROM power up parameters uploads. EEV initialization –...
Page 84 CONTROL SYSTEM 12.3.2 Communication with Indoor Unit &RPPXQLFDWLRQ )DLOXUHV 'H¿QLWLRQ 12.3.2.1.1 ‘Bad Communication’ fault The system keeps a balance of a good/bad communication packet ratio. When the ratio becomes high the system enters ‘Bad Communication’ fault. The system recovers from that fault when the ratio becomes small again. :KHQ LQ µ%DG &RPPXQLFDWLRQ¶...
Page 85 CONTROL SYSTEM The following combinations show the allowed and not allowed capacity group: Is it allowed capacity group? ODU Model Indoor Capacity AB (GCD36 DCI) AV(YBD036-H13/4HP 3Phase) AE (4HP DCI 3-Phase) AF (YBD042-H13/5HP DCI 3-Phase) AG (YBD060-H13/6HP DCI 3-Phase) AO (YBD042/5HP DCI) AP (YBD060/6HP DCI) AS (YBDE018 DCI) AT (YBDE024 DCI)
Page 86 CONTROL SYSTEM 12.3.4.3 System operation whenever a thermistor fault occurs ODU Mode H/NH ¥ ¥ ¥ ¥ ¥ ¥ Normal H/NH ¥ Stop Comp H/NH ¥ ¥ ¥ ¥ ¥ ¥ Normal H/NH ¥ Stop Comp H/NH ¥ ¥ ¥ ¥...
Page 87 CONTROL SYSTEM NLOAD limits as a function of power shedding: Mode Power Shedding OFF Power Shedding ON Cooling No limit Nominal Cooling Heating No limit Nominal heating 12.4.2 Indoor Fan Control 12.4.2.1 Indoor fan control - FAN Mode :KHQ 7+0/ VSHHG LV VHW E\ XVHU ,)$1 ZLOO ZRUN LQ FRQVWDQW UHTXHVWHG VSHHG :KHQ $XWR)DQ LV VHW E\ XVHU ,)$1 VSHHG ZLOO EH VHW DFFRUGLQJ WR WKH IROORZLQJ JUDSK Turbo HIGH...
Page 88 CONTROL SYSTEM 12.4.2.2 Indoor fan control - Cool Mode :KHQ 7+0/ VSHHG LV VHW E\ XVHU ,)$1 ZLOO ZRUN LQ FRQVWDQW UHTXHVWHG VSHHG :KHQ $XWR)DQ VSHHG LV VHW E\ XVHU ,)$1 VSHHG ZLOO EH VHW DFFRUGLQJ WR /2$'Q DV LQ WKH following graph: IFAN Speed IFTURBO...
Page 89 CONTROL SYSTEM 12.4.3 Cooling Mode 12.4.3.1 Cooling Mode – General 0RGH 'H¿QLWLRQ 0RGH &22/ $872 DW &RROLQJ Temp: Selected desired temperature. )DQ /2: 0(' +,*+ 785%2 $872 Timer: I-FEEL: ON or OFF 5RRP 7HPSHUDWXUH 57 LV GHWHFWHG E\ 5$7 LQ QRUPDO RSHUDWLRQ RU RCT (R/C sensor) in I-FEEL mode.
Page 90 CONTROL SYSTEM 12.4.4 Heating Mode 12.4.4.1 Heating - General 0RGH 'H¿QLWLRQ 0RGH +($7 $872 DW KHDWLQJ Temp: Selected desired temperature )DQ /2: 0(' +,*+ 785%2 $872 Timer: Any I-FEEL: ON or OFF 5RRP 7HPSHUDWXUH 57 LV GHWHFWHG E\ 5$7 LQ QRUPDO RSHUDWLRQ RU RCT (R/C sensor) in I-FEEL mode.
Page 91 CONTROL SYSTEM 12.4.4.4 Temperature Compensation $ FRPSHQVDWLRQ YDOXH RI GHJUHHV LV UHGXFHG IURP URRP WHPSHUDWXUH UHDGLQJ H[FHSW ZKHQ LQ ,)HHO PRGH WR FRPSHQVDWH IRU WHPSHUDWXUH GLIIHUHQFH EHWZHHQ KLJK DQG ORZ DUHDV LQ WKH KHDWHG URRP DQG IRU FRLO KHDW UDGLDWLRQ on room thermistor.
Page 92 CONTROL SYSTEM 12.4.6 Dry Mode 12.4.6.1 DRY - General 0RGH 'H¿QLWLRQ Mode: Temp: Selected desired temperature Fan: LOW (automatically selected by software) Timer: I-FEEL: ON or OFF 12.4.6.2 Control function COMP Operation In general – the operation is set by the NLOAD calculation in indoor unit side. Other rules are according to section 12.5.1.
Page 93 CONTROL SYSTEM 12.4.7 Sleep Mode 12.4.7.1 Sleep Mode - General 0RGH 'H¿QLWLRQ Mode: Temp: Selected desired temperature IFan: Timer: See below I-FEEL: ON or OFF 12.4.7.2 Control function o The Sleep mode is activated by using the SLEEP button on the R/C. In Sleep 0RGH WKH XQLW ZLOO DXWRPDWLFDOO\ DGMXVW WKH 637 WR WXUQ XSGRZQ WKH URRP temperature (RT) gradually to provide maximum comfort for the sleeping user.
Page 94 CONTROL SYSTEM 12.4.9 Indoor Units Operation when Indoor Unit Mode is Different than Outdoor Unit Mode Open louvers according to user selection. Indoor fan is forced to OFF. Indoor unit led is blinking 12.4.10 Indoor Unit Dry Contact Status Function Contact = Open Contact = Short J9 = Open...
Page 95 CONTROL SYSTEM 12.5 Run Mode 5XQ PRGH LV WKH GHIDXOW RSHUDWLRQ PRGH RI WKH V\VWHP 7KLV LV WKH VWDQGDUG RSHUDWLRQ PRGH WKDW LV DFWLYH LQ ¿HOG DSSOLFDWLRQ (at customer site). System can go from run mode to other operation modes through keyboard or serial ports. 12.5.1 Mode Setting 7KHUPDO PRGH GH¿QHV WKH 2'8 RSHUDWLRQ PRGH 7KHUH DUH WKUHH SRVVLEOH RSHUDWLRQ PRGHV...
Page 96 CONTROL SYSTEM 12.5.2.1 Compressor Min On/Off time Compressor minimum ON and OFF time is 3 minutes except during protections. 12.5.2.2 Compressor Startup :KHQ VWDUWHG FRPSUHVVRU VSHHG UHDFKHV FHUWDLQ OHYHO XVXDOO\ · 536 DQG ZLOO QRW JR EHORZ WKDW GXULQJ WKH ¿UVW PLQXWHV H[FHSW ZKHQ FRPSUHVVRU LV IRUFHG 2)) 12.5.2.3 Compressor start up fail...
Page 97 CONTROL SYSTEM 12.5.2.9 Compressor taget frequency During normal operation (excluding protections) the compressor target frequency is set according to the ODU NLOAD number received from the indoor unit. ODU NLOAD Target Frequency [Hz] 0 2'8 1/2$' ” 0LQ)UHT MinFreq >MinFreq Linear relation between Min and Max freq.
Page 98 CONTROL SYSTEM ((9 FRUUHFWLRQ GH¿QLWLRQ((9&9 7KH ((9 FRUUHFWLRQ YDOXH LV GHWHUPLQHG DFFRUGLQJ WR WKH RSHUDWLRQ PRGH the actual compressor speed and indoor/outdoor conditions. The correction value is targeting towrds optimal behavior of the system. The following table describes the closed loop control type (EEV correction): Main EEV Mode Target CTT...
Page 99 CONTROL SYSTEM 12.6 Thermodynamic Protections 12.6.1 IDU Protections 12.6.1.1 Condensate Water over Flow Protection (DFK RI WKH SLQV 3 3 3 FDQ KDYH WZR RSWLRQV 1 – When it is shorted with P4 0 – When it is not shorted to P4 Level Don’t care Normal...
Page 100 CONTROL SYSTEM Protection Status General Description Normal No protection Hz Up Compressor frequency is allowed to increase slowly Stop Rise Compressor frequency is not allowed to rise Hz Down 1 Compressor frequency is reduce Hz Down 2 Compressor frequency is reduce Stop Compressor Compressor is stopped Each protection has protection status.
Page 101 CONTROL SYSTEM 7RWDO 3URWHFWLRQ /HYHO 'H¿QLWLRQ 7KH WRWDO SURWHFWLRQ OHYHO LV GH¿QHG E\ WKH KLJKHU OHYHO RI SURWHFWLRQ UHFHLYHG 12.6.3 Deicing 12.6.3.1 Deicing Starting Conditions 12.6.4.1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist: Case 1: OCT is 8 degree lower then the ambiant temp and the minimum time from the last deicer is passed.
Page 102 CONTROL SYSTEM 12.6.4 High/Low Pressure Protection :KHQHYHU KLJK RU ORZ SUHVVXUH DFFXUHV LQ WKH V\VWHP ZKLFK H[WHQG EHLQG WKH V\VWHP SUHGH¿QHG OLPLWV WKH KLJK and low pressure switchs turns on (short) and stops the compressor until these limits are redrawn. Fault code error 8 (HPS) or 9 (LPS) will be shown until compressor will resume operation.
Page 103 CONTROL SYSTEM 12.8.3 Menus 12.8.3.1 Main Menu Mode (Cl/Ht/Sb) Technician Test (tt) Technician Test Cool (PtC) Technician Test Heat (PtH) Charge Test Cool (CtC) Charge Test Heat (CtH) Installation Test (it) (Multi Only) Number of IDU`s Begin test Test Result Matrix Table Test Result Problem Correction Diagnostics (dia)
Page 104 CONTROL SYSTEM Notes The default presentation will be the mode of the unit (Cl/Ht/Sb). In diagnostics menu, xx means failure code. Only the last active (operative) failure code will be shown, if there is no active failure a “-“sign will be shown (the faults Numbers are the one shown in the single split table).
Page 105 CONTROL SYSTEM 12.8.3. Status (Sub Menu) Status (Stt) ICT-A (Multi Only) ICT-B (Multi Only) ICT-C (Multi Only) ICT-D (Multi Only) ICT-E RAT-A (Multi Only) RAT -B (Multi Only) RAT -C (Multi Only) RAT -D (Multi Only) RAT -E Operation Mode Operation Mode-A (Multi Only) Operation Mode-B...
Page 106 CONTROL SYSTEM Model -A (Multi Only) Model -B (Multi Only) Model -C (Multi Only) Model -D (Multi Only) Model -E #of IDUs (Multi Only) Operation Mode OFAN Up OFAN Down Speed RGT-A (Multi Only) RGT-B (Multi Only) RGT-C (Multi Only) RGT-D (Multi Only) RGT-E...
Page 107 CONTROL SYSTEM 12.8.4 Technician Perpherial Test (TPT) Technician Peripheral test mode designed especially for Technician personal to provide DELOLW\ WR WHVW SHULSKHUDOV VXFK DV 2)$1 ((9 59 &203 HWF Each item is operated directly so no software logic can deny the operation. 12.8.4.1 General Rules Entering TPT –...
Page 108 CONTROL SYSTEM 12.8.4.3 Pump Down Test procedure Pump Down is used to evacuate the refrigerant back to the ODU in case of need to dis-connect the indoor unit or the inter-connecting piping for repair. Start the operation by navigating the HMI. A/C will start operate.
Page 109 CONTROL SYSTEM 12.8.4.9 Gas Block Test procedure This test is used for technician to check the blockage within the system. The test is operates in heat mode and the technician should close the liquid valve manually. Start the operation by navigating the HMI. Note - The test is not operable when OAT<5q& ,I VR WKH GLVSOD\ ZLOO VKRZ ³Q$´ A/C will start operate in Heat Mode.
Page 110 CONTRO OL SYSTEM 12.9.2.2 Compe ensation J Jumper/DIP P – J2 sition Statu Descriptio Open n (Disconne ected) Compensa ation deactiv vated Clos se (Shorted) Compensa ation activat ted (Default Used f for height co ompensatio n in heat m mode 12.9.2.3 Family...
Page 111 12.9.3.2 ODU M Model Sele ction Jum mper/DIP – – J2, J3, J4 4, J5, J6,J See below ta able 12.9.3.3 TPT tes st Jumper r/DIP – J8 sition Statu Descriptio Open n (Disconne ected) Normal Op peration (D efault) Clos se (Shorted) Test enabl...
Page 112 CONTROL SYSTEM Model YBDE 018-H11 YBDE 024-H11 YBDE 030-H11 SM DLSDCI 3-A.2 12-...
Page 113 CONTROL SYSTEM 12.9.5 Remote Control DIP Switch Settings SETTING SWITCH STATUS DEFINITION RC4 / RC4i / RC7 NO. 1 NO. 2 NO. 3 NO. 4 RC - all modes of operation 67 &22/ )$1 '5< PRGHV DFWLYH +($7 &22/ )$1 '5< PRGHV DFWLYH $XWR 0RGH )$1 PRGHV DFWLYH Temp.
Page 114 CONTROL SYSTEM 12.10 System Parameters 12.10.1 General Parameters for All Models Name Default Value Units MinOFFTime minute MinONTime minute DImin minute DImax minute TimeD minute DTmin minute minute CTMRUP minute minute second DEICT1 second DEICT2 second DEICT3 second DSTF °C OMTOH0 °C OMTOH1...
Page 115 CONTROL SYSTEM 12.10.2 ODU Model Dependent Parameters Parameter Name Range Res. Unit MinFreqC 0-127 MaxFreqC 0-127 MinFreqH 0-127 MaxFreqH 0-127 DeicerFreq 0-127 Step1Freq 0-127 Step2Freq 0-127 Step3Freq 0-127 Step4Freq 0-127 Step1Time Step2Time Step3Time Step4Time NightRPS 0-110 OFMinRPMC 0-130 *10RPM OFMinRPMH 0-130 *10RPM OFMaxRPMC...
Page 116 Parameter Name Range Res. Unit HSTOH1 0 –110 °C HSTOH2 0 –110 °C HSTOH3 0 –110 °C HSTOH4 0 –110 °C HSTOH5 0 –110 °C ICTDef0 -23 – 8 °C ICTDef1 -23 – 8 °C ICTDef2 -23 – 8 °C ICTDef3 -23 –...
Page 117 CONTROL SYSTEM 12.11 7-Segment Legend 7 7 -segments lege e nd SM DLSDCI 3-A.1 GB 12-4...
Page 118: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING 13.1 Precaution, Advise and Notice Items 13.1.1 High voltage in Indoor and Outdoor unit electrical assembly ƒ Open the Outdoor unit controller assembly only after one minute from power off. ƒ Whole controller assembly, including the wires, connected to the Outdoor unit may have the potential hazard voltage when power is on.
Page 119 TROUBLESHOOTING 13.2 General System Failures and Corrective Actions SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Indoor unit Check supply voltage to main terminals L and N No Power supply with volt meter. Check all supply wiring to controller and terminals Miss-wiring according to wiring diagram Indoor unit power supply...
Page 120 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE One indoor unit or more are operating in cool mode with no capacity, and the other units have water leaks/freezing communication Check and correct the communication wires problems wires of the connection indoor units are One indoor or more are switched...
Page 121 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Unit size not Check if the size chosen for the complete room(s) match the load load is enough or need bigger units Check if piping is installed correctly and proper Piping size not diameter size and total length is according to unit matching system VSHFL¿FDWLRQV...
Page 122 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Check all according to above problem Check if HPS fault code (#8) is accruing Compressor stops many HP Switch frequently. If so, check the switch operation times during operation ( 13.5.14) Check if LPS fault code (#9) is accruing LP Switch frequently.
Page 123 TROUBLESHOOTING 13.3 Checking the refrigeration system Checking system pressures and other thermodynamic measures should be done when system LV LQ WHFKQLFLDQ 0RGH ZKHUH WKH V\VWHP RSHUDWHV DV LQ ¿[HG VHWWLQJV 7KH SHUIRUPDQFH FXUYHV given in this manual are given for unit performance in Technician mode when high indoor fan speed is selected.
Page 124 TROUBLESHOOTING Problem OCT is shorted/disconnected CTT is shorted/disconnected HST is shorted/disconnected OAT is shorted/disconnected OMT is shorted/disconnected RGT is shorted/disconnected RLT is shorted/disconnected High pressure protection Low pressure protection No communication to Driver Compressor IPM Fault IPM Driver Pin Compressor Current Sensor Fault No Water Flow (For Hydro Units only) Refrigerant Leakage DC over voltage...
Page 125 TROUBLESHOOTING 13.4.2 Outdoor unit diagnostics and corrective actions Fault Name Fault Description Corrective Action OCT short/disconnect CTT short/disconnect Thermistor not connected or HST short/disconnect damaged Check Thermistor (13.5.13) OAT short/disconnect OMT short/disconnect RGT short/disconnect RLT short/disconnect Normally no action is required Compressor stopped due to If the problem persists for more than twice High pressure protection...
Page 126 TROUBLESHOOTING Fault Name Fault Description Corrective Action PFC Current sensor Driver fault Replace Compressor Driver Missing phase Check power supply lines Installation incorrect Phase order mismatch Switch between 2 supply lines Can occur during high current conditions. If problem persists, Check power supply to driver.
Page 127 TROUBLESHOOTING Fault Name Fault Description Corrective Action System is performing out of its outdoor condition Check if indeed the conditions are Operation conditions are limitations: exceeded. If not, check OAT thermistor, if exceeded Cooling: >46°C , <-11°C. OK, check no obstructions to outdoor air Heating: >30°C , <-18°C.
Page 128 TROUBLESHOOTING 13.4.4 Indoor unit diagnostics and corrective actions Fault Probable Cause Corrective Action Sensors not 1-4, Sensor failures Check Thermistor (13.5.13) connected or damaged 8QGH¿QHG ,'8 IDU is not a valid ,'8 MXPSHU FRQ¿JXUDWLRQ LV QRW FRUUHFW Family/Model model or family IDU-ODU Check communication between indoor No Communication...
Page 129 TROUBLESHOOTING Fault Probable Cause Corrective Action System is using EEPROM Not ROM parameters No action, unless special parameters are Updated and not EEPROM required for unit operation. parameters No action, unless special parameters are Bad EEPROM required for unit operation. IDU-ODU Check communication between indoor Bad Communication...
Page 130 TROUBLESHOOTING 13.5 Procedures for checking Main Parts 13.5.1 Discharge DC Voltage High voltage!!! Wait for DC voltage to be discharged before re touching any part of the driver to avoid electric shock. Check to ensure that DC voltage has reduced to below 50VDC, if not, keep waiting until it does.
Page 131 TROUBLESHOOTING 13.5.4.3. YBD036-H11 In normal operation the red led in ON continuously and green led is blinking slow (1 time/sec). Even is that case, there can still be a Hardware problem that prevents the system to perform well or at all. If no other problem is found, replace the driver. 1) In case green and/or red leds are OFF (one or both): Check power supply to driver connected well and no burn marks on wiring.
Page 132 TROUBLESHOOTING 13.5.5 Checking PFC Chock coil 1) Check PFC chock connections – repair if needed. 2) Visually check to see any burn marks on the wires – replace the chock(s) if needed. 3) Disconnect the chock from the driver and check if the 2 ending wires of each chock are shorted (continuity check) –...
Page 133 TROUBLESHOOTING 13.5.8.3 YBD 36/43 H11/H13 An Outdoor fan motor fault message may occur during very high winds outdoors that may stop the fan rotation for short periods. If so, need to relocate the outdoor unit to a more protected place from ZLQGV RU LQVWDOO PHDVXUH RI DLU GHÀHFWLRQ LQ IURQW RI WKH IDQ RXWOHWV 1) Check OFAN connections - Repair if needed.
Page 134 TROUBLESHOOTING 13.5.9 Checking Compressor 1) Check Compressor connections - Repair if needed. 2) Check the resistance between the three phases – all three coil resistances should be the same: UNIT RESISTANCE YBD036 - H11 / INV38 INV40-50 / YBD042-060 - H11 YAD036-042-060 - H13 ...
Page 135 TROUBLESHOOTING 13.5.10 Checking Reverse Valve (RV) The RV has two parts, Solenoid and valve. 1) Disconnect the RV connector from the main board and operate the unit in heating mode, check the voltage between two pins of reverse valve connector on the controller, normal voltage is 230VAC - if no power supply to RV, replace outdoor main board.
Page 136 TROUBLESHOOTING CTT (YBDE018-024-030), OAT, OCT, OMT, ICT, RAT, HST Chart R-T Table =10k: 25°C =39K 25/85°C 1000.0 100.0 10.0 Temperature [C] CTT Chart (YAD/YBD 036-043) R-T Table =50k: 25°C =3977K 25/85°C 1000.0 100.0 10.0 Temperature [C] Replacing thermistor - (14.1.11, 14.1.12, 14.2.9) Replacing main board - (14.1.13) SM DLSDCI 3-A.1 GB...
Page 137 TROUBLESHOOTING 13.5.13 Checking High Pressure Switch (HPS) 1) Disconnect HPS connector from the main board and check resistance between the 2 pins of the HPS connector – if shorted the HPS is OK, otherwise replace HPS. Replacing HPS - (14.1.10) 13.5.14 Checking Low Pressure Switch (LPS) 1) Disconnect LPS connector from the main board and check resistance between the 2 pins of the...
Page 138 TROUBLESHOOTING Replacing Indoor Unit main board - (14.2.2) 13.5.16.2 YBD 018-030 1) Check voltage on the interconnection wiring – should be 22VDC±1VDC. If not: 2) Disconnect the wire cable from the connector on the IDU main board side and Check voltage on the IDU terminals “N”...
Page 139 TROUBLESHOOTING 13.5.17 Checking Indoor Unit Fuse on Controller If the 3.15A fuse on the main Board is burnt check the fan or any other peripheral that can cause a short: 1) In case of a problematic peripheral - replace it. 2) In case no problematic peripheral replace the burnt fuse.
Page 140: Servicing
SERVICING SERVICING 14.1 Outdoor Unit DLS 36/43 TURN OFF ALL POWER SOURCE BEFORE HANDLING THE UNIT Note: To reassemble perform the procedures in reverse. 14.1.1 Removing Service (front) panel 5HPRYH WKH ¿[LQJ VFUHZV DQG VOLGH WKH VHUYLFH IURQW SDQHO GRZQZDUGV WR UHPRYH LW Note: 'R QRW ÀLS WKH SDQHO IRUZDUG RQ WKH WRS VLGH DV QRW WR GDPDJH WKH FRQWUROOHU 14.1.2 Removing top panel...
Page 141 SERVICING 14.1.3 Removing side panel 5HPRYH WKH WRS FRYHU DV LQ DERYH 14.1.2. 5HPRYH WKH VFUHZV KROGLQJ WKH HOHFWULFDO SODVWLF FRYHU DQG GLVFRQQHFW WKH SRZHU VXSSO\ FRUGV 5HPRYH WKH ¿[LQJ VFUHZV DQG WDNH RXW WKH VLGH SDQHO 5HPRYLQJ (OHFWULFDO &RYHU 5HPRYLQJ VLGH SDQHO 14.1.4 Removing Air Outlet Grille(s)
Page 142 SERVICING 14.1.6 Removing Outdoor Fan Motor 5HPRYH WKH RXWGRRU IDQ DFFRUGLQJ WR 14.1.5. 'LVFRQQHFW WKH PRWRU FRQQHFWRU IURP WKH PDLQ ERDUG &XW WKH Q\ORQ WLHV KROGLQJ WKH PRWRU FDEOH 5HPRYH WKH IRXU ¿[LQJ VFUHZV IRU WKH PRWRU NOTES for re-assemble the motor: :KHQ PRXQWLQJ WKH PRWRU HQVXUH WKH FDEOHV SRLQW GRZQZDUGV )L[ WKH SURWHFWLRQ WXEH HGJH GRZQZDUG WR HQVXUH WKH ZDWHU PD\ QRW NHHS LQ LW )L[ WKH PRWRU ZLUHV ZLWK D Q\ORQ WLHV WR SUHYHQW WKHP REVWUXFWLQJ WKH SURSHOOHU IDQ...
Page 143 SERVICING 14.1.9 Removing Refrigeration parts 5HIULJHUDWLRQ SDUWV ([SDQVLRQ YDOYH 5HYHUVLQJ YDOYH KLJK SUHVVXUH VZLWFK HWF 5HPRYH WKH UHIULJHUDQW IURP WKH XQLW E\ D SXPSLQJ PDFKLQH YLD WKH YDOYHV Note: RSHQ WKH YDOYHV JUDGXDOO\ DQG OHDYH WKHP RQO\ SDUWLDOO\ RSHQ IRU DV ORQJ DV WKH UHIULJHUDQW H[HUWV IURP WKH XQLW 'R QRW RSHQ WKH YDOYHV IXOO\ DV QRW WR ORRVH DQ\ RLO 5HPRYH WKH VHUYLFH IURQW SDQHO DFFRUGLQJ WR 14.1.1.
Page 144 SERVICING 'LVFRQQHFW 5HPRYLQJ &RPSUHVVRU ,QVXODWLRQ 5HPRYLQJ &RPSUHVVRU 14.1.11 Removing Tubing Thermistors 5HPRYH WKH VHUYLFH IURQW SDQHO DFFRUGLQJ WR 14.1.1. 5HPRYH WKH VLGH DQG WRS SDQHOV DFFRUGLQJ WR 14.1.2, 14.1.3 &KHFN WR HQVXUH WKDW /('V DQG GLVSOD\ ERDUG DUH 2)) 'LVFRQQHFW WKH WKHUPLVWRU FRQQHFWRU IURP WKH PDLQ ERDUG 5HPRYH WKH WKHUPLVWRU ZLUHV IURP WKH FDEOH KROGHUV DORQJ WKH HOHFWURQLFV ER[...
Page 145 SERVICING 14.1.13 Removing main board 14.1.13.1 YBD036 H11 / YAD036 H13 / YAD042 H13/YBD042 H11/YBD 060 H11 5HPRYH WKH VHUYLFH IURQW SDQHO DFFRUGLQJ WR 5HPRYH WKH FRQWUROOHU FRYHU E\ WDNLQJ RXW WKH VFUHZ DQG OLIW XSZDUGV &KHFN WR HQVXUH WKDW /('V DQG GLVSOD\ ERDUG DUH 2)) 'LVFRQQHFW DOO FRQQHFWRUV IURP WKH PDLQ ERDUG 6TXHH]H WKH VSDFHUV KHDG ZLWK /RQJ1RVH 3OLHUV...
Page 146 SERVICING 14.1.14 Removing Electrical Assembly 14.1.14.1 YBD036 H11 1. 5HPRYH WKH VHUYLFH IURQW SDQHO DFFRUGLQJ WR . 2. 5HPRYH WKH VLGH DQG WRS SDQHOV DFFRUGLQJ WR . 3. &KHFN WR HQVXUH WKDW /('V DQG GLVSOD\ ERDUG DUH 2)) 4. 'LVFRQQHFW WKH FRQQHFWRUV IURP WKH PDLQ ERDUG 5.
Page 147 SERVICING 14.1.15 Removing Driver Module 14.1.15.1 YBD036 H11 1. 5HPRYH WKH HOHFWULFDO DVVHPEO\ DFFRUGLQJ WR 2. 5HPRYH WKH WKUHH VFUHZV ¿[LQJ WKH PDLQ ERDUG SDQHO WR WKH DVVHPEO\ DQG WDNH WKH SDQHO RXW 3. 5HPRYH WKH WZR VFUHZV ¿[LQJ WKH WHUPLQDO SDQHO WR WKH DVVHPEO\ DQG WDNH WKH SDQHO RXW 4.
Page 148 SERVICING 14.1.16 Removing Chocks Coils 14.1.16.1 YBD036 H11 /YAD036 H13 /YAD042 H13 /YBD042 H11 /YBD 060 H11 1. 5HPRYH WKH FKRFN FRLO ZLUHV IURP WKH FKRFN WHUPLQDO EORFN 2. 5HPRYH WKH VFUHZV WR UHOHDVH WKH FKRFN FRLO IURP WKH SDUWLWLRQ 5HPRYLQJ &KRFNV &RLOV 14.1.17 Removing Capacitor Board...
Page 149 SERVICING 14.1.18.2 YBD042 H11 / YBD060 H11/YAD036-042 H13 1. 3HUIRUP WKH GULYHU PRGXOH UHPRYDO SURFHGXUH LQ 14.1.15.3. 2. 2SHQ GULYHU DVVHPEO\ FRYHU 3. 5HOHDVH DOO ZLUHV IURP WKH ¿OWHU ERDUG 4. 5HPRYH WKH VFUHZV ¿[LQJ WKH ¿OWHU SDQHO WR WKH GULYHU DVVHPEO\ 5.
Page 150 SERVICING 14.2.4 Removing Service Panel 5HPRYH WKH ¿[LQJ VFUHZV IURP WKH ¿OWHU VLGH SXVK WKH VHUYLFH SDQHO EDFN DQG UHPRYH LW 14.2.5 Removing Fan Assembly 5HPRYH WKH 6HUYLFH 3DQHO DFFRUGLQJ WR 14.2.4. 'LVFRQQHFW WKH PRWRU FRQQHFWRU LQVLGH WKH XQLW DQG FXW RII WKH Q\ORQ WLHV KROGLQJ WKH PRWRU FDEOH 5HPRYH WKH ¿[LQJ VFUHZV DQG WDNH RXW WKH )DQ DVVHPEO\...
Page 151 SERVICING 14.2.7 Removing Fan 5HPRYH WKH )DQ $VVHPEO\ DFFRUGLQJ WR 14.2.6. 5HPRYH WKH ¿[LQJ VFUHZV DQG VHSDUDWH WKH IDQ KRXVH 5HPRYH WKH KH[ QXW DQG WKH VSULQJ ZDVKHU IURP WKH PRWRU VKDIW DQG WDNH RXW WKH IDQ 5HPRYLQJ )DQ 0RWRU 5HPRYLQJ )DQ 14.2.8 Removing motor capacitor...
Page 152 SERVICING 14.2.9 Removing Thermistors 'LVFRQQHFW WKH WKHUPLVWRU FRQQHFWRU IURP WKH PDLQ ERDUG &XW WKH Q\ORQ WLHV KROGLQJ WKH ZLUHV WR WKH SLSHV RU FKDVVLV ,&7 WKHUPLVWRU RQO\ 3XOO XS WKH VSULQJ IURP WKH KRXVLQJ ZKLOH SXOOLQJ RXW WKH WKHUPLVWRU Notes for re-assemble the ICT thermistor: 0DNH VXUH WKH VSULQJ LV LQVHUWHG ¿UVW DQG LV IDFLQJ WKH WXEH WR EH DWWDFKHG WR +ROG WKH WKHUPLVWRU ZLUHV WR WKH WXEH ZLWK Q\ORQ WLH KROGLQJ ERWK WKH ZLUHV DQG WKH SURWHFWLYH VOHHYH...
Page 153 CONTRO OL SYSTEM PLODED D VIEW WS AND SPARE E PARTS S LIST 15.1 Indoor Units: D LSE 18/2 24/30/30/ /43 DCI - Explode e d View 15.1.1 Outdoor Unit Gene eral Assem mbly SM DLSD DCI 3-A.2 15-1...
Page 154 CONTRO OL SYSTEM M SM DLSD DCI 3-A.2 15-2...
Page 155 CONTRO OL SYSTEM M SM DLSD DCI 3-A.2 15-3...
Page 156 CONTRO OL SYSTEM M SM DLSD DCI 3-A.2 15-4...
Page 157 CONTRO OL SYSTEM M SM DLSD DCI 3-A.2 15-5...
Page 158: Exploded Views And Spare Parts Lists
EXPLODED VIEWS AND SPARE PARTS LISTS 15.2 Outdoor Units: YBDE 018-H11 - Exploded View 15.2.1 Outdoor Unit General Assembly 15- SM DLSDCI 3-A.1 GB...
Page 159 EXPLODED VIEWS AND SPARE PARTS LISTS 15.2.2 Outdoor Unit Parts Assembly SM DLSDCI 3-A.1 GB 15-...
Page 160 EXPLODED VIEWS AND SPARE PARTS LISTS 15.2.3 Outdoor Unit: YBDE 018-H11 Spare Part List Description 253054 Supply Cord Clamp 416320 Motor 70W,2S,OU7 DCI 416910 Cable Holder 416910 Cable Holder 417000 OU Square Fan Guard 425713 EEV Coil (C) QA (Q) 12-YLT-07-RK 426630 Compressor Internal Insulation 426631...
Page 161 EXPLODED VIEWS AND SPARE PARTS LISTS 15.3 Outdoor Unit: YBDE 024-H11 - Exploded View 15.3.1 Outdoor Unit General Assembly SM DLSDCI 3-A.1 GB 15-...
Page 162 EXPLODED VIEWS AND SPARE PARTS LISTS 15.3.2 Outdoor Unit Parts Assembly 15-1 SM DLSDCI 3-A.1 GB...
Page 163 EXPLODED VIEWS AND SPARE PARTS LISTS 15.3.3 Outdoor Unit: YBDE 024-H11 - Spare Part List Description 253054 Supply Cord Clamp 402283 Suction Accumulator 3"x5/8" 416320 Motor 70W,2S,OU7 DCI 416910 Cable Holder 416910 Cable Holder 417000 OU Square Fan Guard 425713 EEV Coil (C) QA (Q) 12-YLT-07-RK 426630 Compressor Internal Insulation...
Page 164 EXPLODED VIEWS AND SPARE PARTS LISTS 15.4 Outdoor Unit: YBDE 030-H11 - Exploded View 15.4.1 Outdoor Unit General Assembly 15-1 SM DLSDCI 3-A.1 GB...
Page 165 EXPLODED VIEWS AND SPARE PARTS LISTS 15.4.2 Outdoor Unit Parts Assembly SM DLSDCI 3-A.1 GB 15-1...
Page 166 EXPLODED VIEWS AND SPARE PARTS LISTS 15.4.3 Outdoor Unit: YBDE 030-H11 - Spare Part List Description 253054 Supply Cord Clamp 402930 Side Panel OU8-33 DCI 403996 Side Guard OU8-33Z 414600 Compressor Insulation 4HP DCI 414601 Compressor 2nd Insulation DCR 414602 Compressor Cover Insulation 414760 Compressor Wiring L800mm...
Page 167 EXPLODED VIEWS AND SPARE PARTS LISTS 15.5 Outdoor Unit: YBD 036-H11 - Exploded View 15.5.1 Outdoor Unit General Assembly SM DLSDCI 3-A.1 GB 15-1...
Page 168 EXPLODED VIEWS AND SPARE PARTS LISTS 15.5.2 Outdoor Unit Parts Assembly 15-1 SM DLSDCI 3-A.1 GB...
Page 169 EXPLODED VIEWS AND SPARE PARTS LISTS 15.5.3 Outdoor Unit Electronics Assembly SM DLSDCI 3-A.1 GB 15-1...
Page 170 EXPLODED VIEWS AND SPARE PARTS LISTS 15.5.4 Outdoor Unit: YBD036 H11 Spare Part List Item Description Quantity 253054 Supply Cord Clamp 414225 Motor Support Adaptor OU10 4HP 414226 Motor Support Flange OU10 414229 Motor Support Clamp Bracket OU 414310 DC Motor 50W OU10 DCI 4HP 414401 Coil OU10 4HP 2r GR HDR 414600...
Page 171 EXPLODED VIEWS AND SPARE PARTS LISTS 15.6 Outdoor Unit: YBD042/YBD060-H11 - Exploded View 15.6.1 Outdoor Unit General Assembly SM DLSDCI 3-A.1 GB 15-...
Page 172 EXPLODED VIEWS AND SPARE PARTS LISTS 15.6.2 Outdoor Unit Parts Assembly 15-2 SM DLSDCI 3-A.1 GB...
Page 173 EXPLODED VIEWS AND SPARE PARTS LISTS 15.6.3 Outdoor Unit Electronics Assembly D E SM DLSDCI 3-A.1 GB 15-2...
Page 174 EXPLODED VIEWS AND SPARE PARTS LISTS 15.6.4 Outdoor Unit: YBD042 / YBD060 H11 Spare Part List Item Description Quantity 416246 UPPER COVER ASSY OU12 DCI 426273 SIDE PANEL ASSY OU12 6HP DCI AW 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 Fans Panel OU12 DCI 4-5HP 426274 FRONT PANEL ASSY OU12 DCI AW 465100017...
Page 175 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7 Outdoor Unit: YAD 036/042-H13 - Exploded View 15.7.1 Outdoor Unit General Assembly SM DLSDCI 3-A.1 GB 15-2...
Page 176 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7.2 Outdoor Unit Parts Assembly 15-2 SM DLSDCI 3-A.1 GB...
Page 177 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7.3 Outdoor Unit Electronics Assembly D E SM DLSDCI 3-A.1 GB 15-2...
Page 178 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7.4 Outdoor Unit: YAD 036-H13 Spare Part List 416246 UPPER COVER ASSY OU12 DCI 4 5HP 426273 SIDE PANEL ASSY OU12 6HP DCI A 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 Fans Panel OU12 DCI 4 5HP 426274 FRONT PANEL ASSY OU12 DCI AW 465100017 GRILLE SQUARE OU12 DCI...
Page 179 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7.5 Outdoor Unit: YAD 042-H13 Spare Part List 416246 UPPER COVER ASSY OU12 DCI 4 5H 426273 SIDE PANEL ASSY OU12 6HP DCI A 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 Fans Panel OU12 DCI 4 5HP 426274 FRONT PANEL ASSY OU12 DCI AW 465100017 GRILLE SQUARE OU12 DCI...
Page 180: Optional Accessories
OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES 16.1 Base Heater Before starting the heaters connection verify that the unit is disconnected from main power supply!! BASE HEATERT INSTALLATION INSTRUCTIONS Instructions 1. Open the outdoor unit electrical cover and service panel. 2. Connect the base heater wires to connections marked as “BH” on the main controller (refer to Figure 1).
Page 181 OPTIONAL ACCESSORIES 16.2 Crank Case Heater Before starting the heaters connection verify that the unit is disconnected from main power supply!! CRANK CASE HEATERS INSTALLATION INSTRUCTIONS Instructions 1. Open the outdoor unit electrical cover and service panel. 2. Remove the compressor insulation layers. 3.
Page 182 APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUALS INFRARED REMOTE CONTROL RECEIVER OPERATION MANUAL RC-3 OPERATION MANUAL RC-4 OPERATION MANUAL RC-7 17-1 SM DLSDCI 3-A.1 GB...

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