MRCOOL DIY-36-HP-230C25 - User Manual

Table of Contents:

• Page 2 – Contents; Page 1; Safety Precautions; DISCLAIMER; System; Maximum Line Set Length and Height Specifications*; damage or failure, and WILL VOID THE WARRANTY.
• Page 3 – Page 2; Unwind Quick Connect® Line Set* to necessary length 24
• Page 4 – Page 3; Read Before Using; Incor; WARNING; to the unit, or other surrounding property.
• Page 5 – Page 4; DO NOT
• Page 6 – Page 5; Note about Fluorinated Gases:; equivalent or more, but less than 50 tonnes of CO; • For R-290 refrigerant models, the minimum room size needed:; • For units with a capacity less than or equal to 9,000 Btu/h: 13m
• Page 7 – Page 6; Electrical; Wall Mounting Plate; Fresh Air Filter; in; Outdoor Unit; Electrical Access; NOTE ON ILLUSTRATIONS; Parts Overview; Indoor Unit; Quick Connect® Line Set
• Page 8 – Overview - Indoor Unit Display; Display Code Meanings; shape of your and size of your indoor unit may be different.; Front Panel; in a different color depending on the mode the unit is operating in:
• Page 9 – Page 8; Accessories; fixing screw
• Page 10 – Page 9; connectors of the pipe)
• Page 11 – CAUTION; Operating Temperature Ranges; Operating Instructions; DRY Mode; might be activated and cause the unit to function abnormally.; FOR OUTDOOR UNITS WITH AUXILIARY ELECTRIC HEATER:; When the outside temperature; Manual control button; turn the unit off.
• Page 12 – Horizontal Louver; Vertical; Range; Horizontal; Louver; will change airflow direction of the indoor unit to; Airflow Directional Control
• Page 13 – SLEEP Operation While Cooling; Optimal Operation; How the Air Conditioner Works; and off. The fan speed is set to; put any objects near the air inlets/outlets.
• Page 14 – Special Functions; button on; LED; button; LED; When the unit is turned off, in
• Page 15 – Tab; Care and Maintenance; a cloth soaked in warm water.
• Page 16 – Panel buckles; Removal
• Page 17 – Installation Summary - Indoor Unit; Installation Instructions; Before installing the indoor unit, you must choose; Indoor Unit Installation; If there is no fixed refrigerant piping:; Near flammable items such as
• Page 18 – NOTE FOR CONCRETE OR BRICK WALLS:; recommended distance from floor; Step 3: Drill Wall Hole for Connective Piping; flush with the exterior wall. This will protect the; NOTE; Selecting; Make sure that the mounting plate is flat against
• Page 19 – MOUNTING PLATE DIMENSIONS; Different models have different mounting plates.; attempt a left rear wall hole.; Correct orientation of Mounting Plate; NOTE REGARDING WALL STUDS; Correct Angle to Drill Wall Hole; the unit. If you find that there is not enough room; UNIT IS ADJUSTABLE; Wall Hole Sleeve Installation; Series 36K Models
• Page 20 – this could negatively affect the performance.; Step 4: Prepare indoor unit refrigerant piping; NOTE: Refrigerant piping should exit the indoor; piping away from the back of the unit roughly 90; Refer to; Step 5: Mount the Indoor Unit; tape the ends of the piping; pan to overflow, which could lead to fire or water; DRAIN HOSE MUST BE ON BOTTOM; through the wall hole, might be difficult for; Check that the unit is hooked firmly on the
• Page 21 – Installation Instructions –; Step 1: Selecting an Installation Location; Before installing the outdoor unit, you must; Proper installation locations should meet; install unit in the following; Outdoor Unit Installation; Minimum Clearance; Minimum Clearance
• Page 22 – necessary airflow. See; Step 2: Install drain joint; DRAINAGE IN COLD CLIMATES; Seal; different types of drain joints depending on
• Page 23 – Outdoor Unit Dimensions:; WHEN DRILLING INTO CONCRETE, EYE; Air Outlet; Air Inlet; If you are installing the outdoor unit on the; UNIT MOUNTING DIMENSIONS; The following is a list of different outdoor unit sizes; TOP VIEW; Step 3: Anchor Outdoor Unit; FRONT VIEW
• Page 24 – If you are installing the unit on a wall-mounted; Thread expansion bolts through the holes in the
• Page 25 – Refrigerant Piping Connection; Step 1: Prepare exterior wall hole; Install finishing ring/cap to the exterior portion of; Be extremely careful not to dent or damage the; Step 2: Unwind Quick Connect® Line Set to; connectors are close to flat on the ground (with; When bending connective refrigerant piping, it; MINIMUM BEND RADIUS
• Page 26 – PLEASE READ FULLY BEFORE PROCEEDING TO NEXT STEP; remove the sealing caps and stoppers; smoke during the installation.; Connecting the Quick Connect; piping from the indoor unit and tighten the first few; crescent wrenches that can be adjusted to fit the size; much torque, the screw connections could suffer
• Page 27 – TORQUE REQUIREMENTS; torque requirements shown in the table below.; HVAC technician.; tighten the connector to the specified torque; * If an HVAC torque wrench is NOT available:
• Page 28 – IMPORTANT; NOTE: Ensure the adapters attached to the; the first few threads by hand.; Step 4: Connect Line Set to the Outdoor Unit; Using the first image below as a guide, starting with; NOTE: work quickly and make sure the screw; tighten the connector to the specified torque rating,; *If an HVAC torque wrench is NOT available:; Repeat the same process for the top screw connector,
• Page 29 – exceed the torque requirements shown in the table below.; contact a qualified HVAC technician.; Stamp
• Page 30 – cover on the top valve, using a 19 mm open-ended; Electrical and Gas Leak Checks; Step 5: Opening the refrigerant valves of the outdoor unit; Electrical and Gas Leaks Checks
• Page 31 – Step 6: Wrap Piping Connections; wrap the end of the drain hose.; MRCOOL; sizes to fit your particular application.
• Page 32 – NOTE ON DRAIN HOSE PLACEMENT; Make sure to arrange the drain hose correctly; kink the drain hose.; create a water trap.; put the end of the drain hose in; Remove the air filter from the indoor unit and pour a
• Page 33 – BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS; moving parts within the unit.; licensed electrician.
• Page 34 – Electrical Connections; POWER SUPPLY; L N; L N; TO INDOO UNIT; POWER SUPPLY; RE; WIRE CONNECTING DIAGRAM (All other units); Connect the MC Cable/signal wire and power cable; WIRES AND TERMINALS ARE NUMBERED
• Page 35 – See table below for gauge requirements; NOTE ABOUT FUSE SPECIFICATIONS; Cover; Appliance; AWG; Model Series
• Page 36 – Then, you will connect the wires to the terminal; Ground wire
• Page 37 – After confirming that all of the refrigerant; Soap and Water Method; If electrical leakage is detected, turn off the; After installation is complete, confirm that all; Electrical Safety Checks; WARNING – RISK OF; A: Low pressure stop valve
• Page 38 – Before Test Run; Outdoor; Test Run; You should perform the Test Run for at least 30
• Page 39 – DOUBLE-CHECK PIPE CONNECTIONS; IF THE AMBIENT TEMPERATURE IS; THANK YOU; Manual Control Button; on the right-hand side of the unit (Refer; After the Test Run is successfully completed, and
• Page 41 – DO NOT ATTEMPT TO CORRECT
• Page 42 – Indicator lamps continue flashing; Symptom; safely. If the indicator lamps continue to flash or; Indoor Unit Error Display; When the indoor unit encounters a recognized error
• Page 43 – LED flash f; di; Problem
• Page 44 – Troubleshooting by Error Code; ror diagnosis and solution); Troubleshooting and repair:
• Page 45 – Indoor unit can not communicate with outdoor unit; Recommended parts to prepare:; could not be removed separately. In this
• Page 46 – S and N
• Page 48 – Indoor AC Fan Motor; measur; The error codes and descriptions are for
• Page 49 – If the sampling voltage is lower than 0.06V or higher than 4.94; Connection wires
• Page 50 – rd communication error diagnosis and solution); Indoor PCB does not receive feedback from the display board.; Communication wire
• Page 51 – In the initial 5 minutes after the comp; T2 sensor
• Page 52 – rong current protection diagnosis and solution); will display the failure code and the A/C will turn off.
• Page 53 – Power supply wires
• Page 54 – diagnosis and solution); ff the system because the
• Page 56 – ff the system because p
• Page 58 – Outdoor PCB
• Page 59 – EU Disposal Guidelines; Special notice; the law requires special collection and treatment.
• Page 60 – ensure you have the latest version of this manual.; DIY