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INVERTER WALL MOUNTED TYPE ROOM AIR-CONDITIONER
( Split system, air to air heat pump type )
SRK20ZD-S1, SRK25ZD-S1, SRK35ZD-S1, SRK50ZD-S1
SRK63ZE-S1, SRK71ZE-S1
WALL MOUNTED TYPE ROOM AIR-CONDITIONER
( Split system, air to air heat pump type )
SRK20HD-S1, SRK28HD-S1, SRK40HD-S1
SRK20HC-S2, SRK28HC-S2, SRK40HC-S2
SRK50HE-S1, SRK56HE-S1
SRK63HE-S1, SRK71HE-S1
WALL MOUNTED TYPE ROOM AIR-CONDITIONER
( Split system, air cooled cooling only type )
SRK20CD-S1, SRK28CD-S1, SRK40CD-S1
SRK20CC-S1, SRK28CC-S1, SRK40CC-S1
SRK50CE-S1, SRK56CE-S1
SRK63CE-S1, SRK71CE-S1
Manual No. '06 . SRK-T . 050
updated September 29, 2009
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Related Manuals for Mitsubishi Heavy Industries SRK20ZD-S1
Summary of Contents for Mitsubishi Heavy Industries SRK20ZD-S1
- Page 1 September 29, 2009 INVERTER WALL MOUNTED TYPE ROOM AIR-CONDITIONER ( Split system, air to air heat pump type ) SRK20ZD-S1, SRK25ZD-S1, SRK35ZD-S1, SRK50ZD-S1 SRK63ZE-S1, SRK71ZE-S1 WALL MOUNTED TYPE ROOM AIR-CONDITIONER ( Split system, air to air heat pump type )
- Page 2 TABLE OF CONTENTS 1. INVERTER WALL MOUNTED TYPE ROOM AIR-CONDITIONER (Split system, air to air heat pump type) ..............001 2. WALL MOUNTED TYPE ROOM AIR-CONDITIONER (Split system, air to air heat pump type) ..............137 3. WALL MOUNTED TYPE ROOM AIR-CONDITIONER (Split system, air cooled cooling only type) ..............
- Page 3 1. INVERTER WALL MOUNTED TYPE ROOM AIR-CONDITIONER Split system, air to air heat pump type 1.1 SRK20ZD-S1 SRK25ZD-S1 SRK35ZD-S1 SRK50ZD-S1 ............2 1.2 SRK63ZE-S1 SRK71ZE-S1............. 70...
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Page 4: Table Of Contents
CONTENTS 1.1.1 GENERAL INFORMATION ............... 3 Specific features ..................3 How to read the model name..............3 1.1.2 SELECTION DATA ..................4 Specifications ..................4 Range of usage & limitations ............... 8 Exterior dimensions ................8 Piping system ..................10 Selection chart .................. -
Page 5: General Information
(1) Specific features The “MITSUBISHI HEAVY INDUSTRIES, LTD” room air-conditioner: SRK series are of split and wall mounted type and the unit consists of indoor unit and outdoor unit with refrigerant precharged in factory. The indoor unit is composed of room air cooling or heating equipment with operation control switch and the outdoor unit is composed of condensing unit with compressor. -
Page 6: Selection Data
1.1.2 SELECTION DATA (1) Specifications Model SRK20ZD-S1 (Indoor unit) (220/230/240V) SRC20ZD-S1 (Outdoor unit) Model SRK20ZD-S1 SRC20ZD-S1 Item Cooling capacity 2000 (500~2800) Heating capacity 2700 (500~4600) Power source 1 Phase, 220-240V, 50Hz Cooling input 0.44 (0.1~0.91) Running current (Cooling) 2.4/2.3/2.2 Heating input 0.62 (0.09~1.27) - Page 7 Model SRK25ZD-S1 (Indoor unit) SRC25ZD-S1 (Outdoor unit) (220/230/240V) Model SRK25ZD-S1 SRC25ZD-S1 Item Cooling capacity 2500 (500~3000) Heating capacity 3400 (500~4800) Power source 1 Phase, 220-240V, 50Hz Cooling input 0.62 (0.1~0.97) Running current (Cooling) 3.1/3.0/2.9 Heating input 0.94 (0.09~1.30) Running current (Heating) 4.5/4.3/4.1 Inrush current 4.5/4.3/4.1...
- Page 8 Model SRK35ZD-S1 (Indoor unit) SRC35ZD-S1 (Outdoor unit) (220/230/240V) Model SRK35ZD-S1 SRC35ZD-S1 Item Cooling capacity 3500 (500~3900) Heating capacity 4500 (500~5100) Power source 1 Phase, 220-240V, 50Hz Cooling input 1.09 (0.1~1.22) Running current (Cooling) 5.4/5.2/5.0 Heating input 1.24 (0.09~1.32) Running current (Heating) 5.9/5.7/5.4 Inrush current 5.9/5.7/5.4...
- Page 9 Model SRK50ZD-S1 (Indoor unit) SRC50ZD-S1 (Outdoor unit) (220/230/240V) Model SRK50ZD-S1 SRC50ZD-S1 Item Cooling capacity 5000 (600~5300) Heating capacity 6300 (600~7900) Power source 1 Phase, 220-240V, 50Hz Cooling input 1.66 (0.12~2.1) Running current (Cooling) 7.6/7.3/7.0 Heating input 1.96 (0.11~2.71) Running current (Heating) 9.0/8.6/8.2 Inrush current 9.0/8.6/8.2...
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Page 10: Range Of Usage & Limitations
Frequency of ON-OFF cycle (Inching prevention 10 minutes) (Inching prevention 5 minutes) ON and OFF interval Max. 3 minutes (3) Exterior dimensions (a) Indoor unit Models SRK20ZD-S1, 25ZD-S1, 35ZD-S1, 50ZD-S1 Unit: mm Piping hole right(left) Terminal block 117.5 117.5 216.5 216.5... - Page 11 (b) Outdoor unit Models SRC20ZD-S1, 25ZD-S1, 35ZD-S1 Unit: mm Drain holes 264.5 404.5 17.8 2-16 x12 Terminal block 61.9 Service valve (Liquid) 139.3 33.3 Flare connection ø6.35 (1/4") Service valve (Gas) Flare connecting ø9.52 (3/8") Model SRC50ZD-S1 286.4 Drain holes 203.1 136.9 2-16x12...
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Page 12: Piping System
(4) Piping system Models SRK20ZD-S1, 25ZD-S1, 35ZD-S1 Indoor unit Outdoor unit Cooling cycle Heating cycle Outdoor air Flare connection Service valve temp. sensor (Gas) Muffler Piping Check joint (Gas) ø9.52 4 way valve Accumulator Room temp. Discharge pipe Heat Heat sensor temp. -
Page 13: Selection Chart
0.92 1.00 How to obtain the cooling and heating capacity Example : The net cooling capacity of the model SRK20ZD-S1 with the piping length of 15m, indoor wet-bulb temperature at 19.0˚C ✕ ✕ and outdoor dry-bulb temperature 35˚C is Net cooling capacity = 2000 0.975... -
Page 14: Electrical Data
1.1.3 ELECTRICAL DATA (1) Electrical wiring Models SRK20ZD-S1, 25ZD-S1, 35ZD-S1... - Page 15 Model SRK50ZD-S1 AF_L2 AF_L1 PWB3 (CAPACITOR)
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Page 16: Outline Of Operation Control By Microcomputer
1.1.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER (1) Operation control function by remote control switch Remote controller Models All models S Operation section FAN SPEED button OPERATION MODE select button Each time the button is pushed, the Each time the button is pushed, the indicator is switched over in turn. -
Page 17: Unit On/Off Button
Unit indication section Models SRK20ZD-S1, 25ZD-S1, 35ZD-S1, 50ZD-S1 RUN (HOT KEEP) light (green) • Illuminates during operation. • Flashes at air flow stop due to the ‘HOT KEEP’. TIMER light (yellow) Illuminates during TIMER operation. HI POWER light (green) Illuminates during HI POWER operation. -
Page 18: Flap Control
(4) Flap control Control the flap by AIRFLOW button on the wireless remote control. (a) Air scroll (AUTO) The flap will be automatically set to the angle of air flow best to operation. Starting time of operation During cooling and During heating dry operation operation... -
Page 19: Outline Of Heating Operation
Depending on the stop mode Electronic expansion valve Depending on the EEV control (b) Air flow selection Speed of inverter changes within the range of selected air flow. Model SRK20ZD-S1 SRK25ZD-S1 SRK35ZD-S1 SRK50ZD-S1 Air flow selection Inverter command speed 30~100rps... - Page 20 ¡ Hot keep M mode [During HI POWER operation (for 15 min.)] (20, 25, 35 only) 9th speed (20, 25, 35 only) 8th speed 7th speed ¡ Values of A, B Indoor fan 6th speed 5th speed At 0 rps command 4th speed Other than 0 rps command...