NRC-01HE Heat Exchanger Controller
Contents
1. e How to install For a dual remote controller system install the remote controllers in the following way 1 Set one of remote controllers as the header remote controller The default setting is Header 2 Set the DIP switch on all other remote controller P C boards to Sub to enable them as follower remote controllers Remote controller Remote controller Header Follower Operating one indoor unit from remote controllers 4 Remote controller installed in two different i WIES locations Terminal block for locally procured E remote controller wiring Ja B Ground g Operating a group control of multiple indoor units from remote controllers installed in two different locations Header and Follower remote controllers are operable even if they are connected to any indoor unit Indoor unit Remote controller Remote controller Header Follower Remote controller inter unit wires for group control B locally procured A B m pet E EE a a 1 AB AJB A B A B Indoor unit Indoor unit Indoor unit Indoor unit No 1 No 2 No 3 No 8 Terminal block for remote controller wire 771 Ground Ground Ground Ground Requirement When a remote controller is used for the first time initial operation after p2. Wired remote controller TO 5 fel BA INSTALLATION MANUAL To installation personnel Electrical work and Service Model RBC AMT31E RBC AMT32E NRC 01HE The indoor units described in this Installation Manual represent air conditioners air to air heat exchanger with direct expansion coil amp humidifier or air to air heat exchanger Part Name Accessory parts Part Name Remote controller Wood screws v Screw M4 x 20 mm oe Installation place temperature area outside air such as a window etc Installation A Manual E Remote controller installation requirements e Install the remote controller 1 m 1 5 m above floor level average room Do not install the remote controller in a place exposed to direct sunlight or Do not install the remote controller where ventilation is poor e Do not install the remote controller in a freezing or refrigerated area the remote controller is not water or splash proof Install the remote controller in a vertical position Be sure to follow the installation dimension as shown in the figure 1 when you install the remote controller on the wall For air to air heat exchanger RBC AMT31E or RBC AMT32E is not available for the systems equipped with the air to air heat exchanger s only malfunction may result and electromagnetic fields Wood screws N lt Remote controller R
3. ear gt remote controller to open the lower case tighten as it may damage the rear case damaged Remote controller installation dimension P Fig 1 How to install the remote controller NOTE 1 The remote controller wire should not be bundled with other wires mains etc or installed with other wires in the same conduit as NOTE 2 Install the remote controller away from sources of electrical interference NOTE 3 If electrical interference is unavoidable countermeasures such as appropriate filtering should be employed i BS Remote controller Cover 1 For removal of the remote controller s lower case rear case insert the tip of a straight blade screwdriver etc into the two openings at the bottom of the 2 Fix the remote controller s rear case by wood screws 2 pcs Do not over 3 Connect the wires from the indoor unit to the remote controller terminal block Refer to How to wire the remote controller Connect the wires of the remote controller following the terminal numbering convention of the indoor unit to prevent miswiring Do not apply AC 230V mains voltage to the remote controller as it will be How to select the room temperature sensor Two room temperature sensors are installed one in the indoor unit the other in the remote controller Only one sensor usually the indoor unit s can be active at any one time Not available for a air
4. ire joint Terminal block for remote controller wiring A a in indoor unit B i Remote controller Remote controller terminal block Terminals A and B are non polar Remote controller test run setup 1 Push and hold the A button for 4 seconds or more until TEST appears in the LCD then press the button TEST appears in LCD during the test run Temperature adjustment is not possible while TEST is displayed The test run applies considerable load on the machine therefore it is recommended not to use the test mode beyond necessity 2 The test mode should be used in either HEAT or COOL mode NOTE The outdoor unit will not operate for approx 3 minutes after power up or the operation will stop 3 Be sure the TEST indication in the LCD has disappeared by pushing the A button again after exiting the test mode The remote controller has a 60 minute off timer function to prevent continuous test run Requirements when installing two remote controllers In a dual remote controller system one or more units are operated by multiple remote controllers A maximum of two remote controllers can be set Remote controller inside rear Header remote Follower remote gantrollen eontraller Follower remote controller Header remote Be sure to set controller switch 2 to the DIP switch DIP switch ower position
5. ower on will take a few moments This is not a malfunction lt Initial power on period gt Allow approx 5 minutes for the remote controller to operate Approx SETTING 5 minutes SETTING lt Usual power on period after the second time gt Allow approx 1 minute for the remote controller to operate Approx SETTING 1 minute SETTING Power on __ flashing po off Complete ET9X463201 EN
6. to air heat exchanger To select the sensor in the remote controller perform the following steps 1 Push A temperature setup button Y for 4 seconds or more NOTE The unit number displayed the first time is the indoor unit address of the master unit in the group control NOTE Do not press the UNIT button 2 Using the temperature setup buttons Y _ A specify the item code 32 3 Using the timer buttons _W_ _a J change the setting from 98 G9 to 8G 8 4 Push the button The display should stop flashing and become constantly lit 5 Push the A button E The status returns to the operation stop status and is displayed in the LCD NOTE 1 When using two remote controllers the room temperature sensor selection can be set either from the header follower remote controller Only the header remote controller can act as a remote control sensor When using two remote controllers the temperature can be set from either the header or follower remote controller NOTE 2 In group control the remote control sensor does not work if the group address is not set to the indoor unit of the master unit NOTE 3 When using the remote sensor and the remote controller together do not use the remote control sensor of the remote controller How to wire the remote controller Connection diagram Sit Remote controller wiring Use 0 5 to 2 0 mm wire locally procured Can not use the closed end i w
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