Related Manuals for Daikin EKRTWA
Summary of Contents for Daikin EKRTWA
- Page 1 INSTALLATION MANUAL Room thermostat EKRTWA...
- Page 2 > > > > > > > 60 mm/2.36 inch 34 mm/1.34 inch 125 mm/4.92 inch...
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Page 3: Introduction
3. Setting up codes in the installer menu ........5 4. Technical characteristics ............11 1. Introduction The room thermostat EKRTWA can be used to control the Daikin system (radiator heating and floor heating/cooling applications). It is typically connected to the Daikin unit. Refer to the "Typical application examples"... -
Page 4: Installation Of The Ekrtwa
2. Installation of the EKRTWA The EKRTWA thermostat is wall-mounted, with supplied screws and plugs. Refer to figure Cabling towards the Daikin system (field supply) should be foreseen in advance taking the suggestions for an ideal installation location into account. - Page 5 7a When connected to the unit, refer to the wiring diagram of the unit. Example unit H C L N Heating demand Cooling demand For heating-only applications, wire connection to C is not to be installed. Use wire size 0.75~1.50 mm /AWG18~16. EKRTWA Installation manual Room thermostat 4PW56101-1...
- Page 6 Be careful not to pinch the wiring when fastening. Put the transparent cable protection back into place and fix the cable protection with the screw. 10 Close the thermostat cover. 11 Remove the protective film from the LCD. Installation manual EKRTWA Room thermostat 4PW56101-1...
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Page 7: Setting Up Codes In The Installer Menu
1 step. To put a code back to its default value, press the same time. Press to save your selection. You can exit this code menu by going to the " " code and pressing EKRTWA Installation manual Room thermostat 4PW56101-1... - Page 8 Cooling mode present? 5® ÚêÒ 3.3. Set-up for radiator applications Before operation, change the following temperature control parameter to the required setting for radiator applications. Required code code Description setting Use proportional band control? 6® (=hysteresis) Installation manual EKRTWA Room thermostat 4PW56101-1...
- Page 9 Cooling mode — 5® ≈œ ÚêÒ ≈œ present? Temperature control codes Daikin advizes not to change below temperature control parameters. They are set for an optimal use of the Daikin system. — 6® ÚêÒ ÚêÒ proportional (proportional band control? ≈œ...
- Page 10 Upper setpoint 0.5°C 37. 0 22. 0 37. 0 limitation. 0.5°F 99. 0 72. 0 99. 0 Lower setpoint 0.5°C 04. 0 04. 0 20. 0 limitation. 0.5°F 39. 5 39. 0 68. 0 Installation manual EKRTWA Room thermostat 4PW56101-1...
- Page 11 ◊1 schedules ◊2 When enabled and a user- defined schedule is selected in the schedule timer setting menu: in heating mode, schedule ◊1 will be active; in cooling mode, schedule ◊2 will be active. EKRTWA Installation manual Room thermostat 4PW56101-1...
- Page 12 ®êÒê‹æ¬¬ factory configuration. Press during 5 seconds. The complete LCD is shown to confirm all settings are reset. After resetting settings back factory ®êÒê‹æ¬¬ configuration ( ), the parameters must be changed manually again. Installation manual EKRTWA Room thermostat 4PW56101-1...
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Page 13: Technical Characteristics
For United States of America and Canada: Maximum load 1 A - 24 VAC For other countries: Maximum load 5 A - 230 VAC Immunity against voltage Category III (2.5 kV) surges Type of automatic action of the thermostat EKRTWA Installation manual Room thermostat 4PW56101-1... - Page 14 4PW56101-1...
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