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Versa Pro
Central Ducted
18K-30K
Installation &
Owner's Manual
MODELS:
CONDENSER:
MVP-18-HP-C-230-25
MVP-24-HP-C-230-25
MVP-30-HP-C-230-25
COMPLETE SYSTEM:
MVP-18-HP-230-25
MVP-24-HP-230-25
MVP-30-HP-230-25
Read this manual carefully before installation and keep it where
the operator can easily find it for future reference.
Due to updates and constantly improving performance, the
information and instructions within this manual are subject to
change without notice.
Version Date: 06/13/2024
Please visit www.mrcool.com/documentation
to ensure you have the latest version of this manual.
AIR HANDLER:
MVP-18-HP-MUAH-230-25
MVP-24-HP-MUAH-230-25
MVP-30-HP-MUAH-230-25
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Summary of Contents for MrCool Versa Pro MVP-24-HP-C-230-25
- Page 1 Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice. Version Date: 06/13/2024 Please visit www.mrcool.com/documentation to ensure you have the latest version of this manual.
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Page 2: Table Of Contents
8.6 DIP Switch Definition .......................36 SPECIFICATIONS ..........................42 AIR EVACUATION ...........................43 10.1 Preparations and Precautions ..................43 10.2 Evacuation Instructions ....................43 ADDING REFRIGERANT .........................44 TEST RUN ............................45 12.1 Before Test Run .......................45 12.2 Test Run Instructions .....................45 12.3 24V Signal Chart ......................46 mrcool.com... -
Page 3: Important Installation Information
Refrigerant Line Set Connection Options, Requirements, and Stipulations 18K/24K/30K Capacity Units - Are designed to use the MRCOOL® Quick Connect® Pre-Charged Line Set as the preferred type of refrigerant piping. If this method is used, you DO NOT have to retain the services of professional HVAC installer for this step. -
Page 4: Safety
7. For detailed information of how to install the indoor and outdoor units to their respective supports, please refer to the indoor unit installation and outdoor unit installation sections of this manual. 8. Excessive Weight Hazard: Use two or more people when moving and installing the unit. Failure to do this could result in personal injury. mrcool.com... - Page 5 Call your local dealer, or MRCOOL® tech support at (270) 366-0457, for further assistance. 2. If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room in order to avoid an oxygen deficiency.
- Page 6 NOTE: The maximum functional total external static pressure cannot exceed 0.80 in WC (200 Pa). The airflow reduces significantly with pressures above and beyond 0.80 in WC (200 Pa). The system design should allow for the increased resistance of filters as they become dirty. mrcool.com...
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Page 7: Packing List
Wired Thermostat Thermostat Manual Cable Ties Foam Insulator Quick Connecting Pipe Insulation Pipe DIYPRO™ Cable Quick Connect® Line Set Included Optional Accessories: PART LOOKS LIKE QUANTITY Drain Fitting (In Outdoor Packaging) Seal (In Outdoor Packaging) Flare Nut (In Indoor Packaging) mrcool.com... -
Page 8: Indoor Unit Installation
• Rooms with high humidity, such as bathrooms or appliance (ex: water heater), or carbon laundry rooms. monoxide-producing device (ex: wood fireplace) • Areas where the air inlet and outlet may be is installed. obstructed. mrcool.com... -
Page 9: Installation Preparation & Precautions
Vertical Installations Plenum Clearances Outlet side pipe length: 59 in. (1.5m) Mounting instructions: When installed vertically (upflow or downflow), the lower end of the air outlet needs to be connected to the L-shaped metal air duct and fastened by screws. mrcool.com... - Page 10 The air outlet grille cannot be removed without tools. 15.75 in 19.3 in 22.8 in Length of D (400 mm) (490 mm) (580 mm) 10.25 in 10.25 in 10.25 in Length of E (260 mm) (260 mm) (260 mm) mrcool.com...
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Page 11: Installation Position Requirements
NOTE: A secondary drain pan is required for horizontal installations. • This unit is not designed for non-ducted (free-blow) applications. Electric heat kit elements and/or blower is easily accessible without ductwork and creates a safety hazard that could result it electric shock and/or personal injury. mrcool.com... -
Page 12: Installation Mounting Positions
The unit can be installed in a Vertical (downflow or upflow) or a Horizontal (right or left) configuration. Notice • Vertical Up and Horizontal Left installation does not need to change the direction of the evaporator. 3.6 Airflow Directions mrcool.com... -
Page 13: Wire And Piping Connections
The steps below detail the installation of a horizontal left or vertical upflow indoor unit once it has been securely mounted in place. 1. Remove the filter 2. Remove the upper 3. Remove evaporator door, then remove the cover assembly. cover plate. filter. 4. Identify the position of the evaporator’s temperature sensor. 18-24K Model 30-48K Model 60K Model mrcool.com... - Page 14 T2A: Evaporator Input Sensor Plug T2B: Evaporator Output Sensor Plug 6. Remove T1 and T2 Sensor wire ties. 8. Adjust the mounting parts positioning according to the direction of the unit. NOTE This unit model does not have T2A, T2B, or EEV mrcool.com...
- Page 15 (EEV) and tie up the sensor wires. The evaporator is now assembled in place. NOTE The wire body needs to pass through the wire groove from the drain pan and attach to the hook on the drain pan. mrcool.com...
- Page 16 If installed above a finished living space, a secondary drain pan (as required by many building codes) must be installed under the entire unit and its condensate drain line must be routed where the excess drainage is not in view. mrcool.com...
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Page 17: Vertical Discharge
Incorrect installation could cause water to flow back into the unit and flood. CAUTION • The drainpipe outlet should be at least 1.9 in (5 cm) above the ground. • If it touches the ground, the unit may become blocked and malfunction. mrcool.com... -
Page 18: Refrigerant Piping Connection
Φ16 (5/8in) proper pipe size for the Φ19 (3/4in) Side unit you purchased. Φ22 (7/8in) NOTICE If using a MRCOOL® DIY® condenser, the max line set length is 75 ft (23m) with a max of one (1) coupler kit. mrcool.com... -
Page 19: Connecting Quick-Connect Lineset
Tighten them with two wrenches (one on the valve and the other rotating the Quick Connector) according to the torque table. Screw the Quick Connecting line onto the quick connector and hand tighten . Being careful not to cross- thread. mrcool.com... -
Page 20: Torque Table
This will also void the warranty. Torque Table Coupling Size Pound-Force-Foot (lbf-ft) Kilogram-Force-Meter (kgf-cm) -06 (9.5mm dash size) 18-20 180-200 -09 (12.7mm dash size) 32-39 320-390 -12 (19.1mm dash size) 49-59 490-590 -16 (25.4mm dash size) 57-71 570-710 mrcool.com... -
Page 21: Electric Heat Kit Installation
Step 2: Only use compatible modules certified for use with the model. Refer to the Electric Auxiliary Heat Model Use tools to remove the knock-out holes specification for additional details to ensure proper of the upper cover. selection and installation. mrcool.com... - Page 22 Install the upper cover and the silicone breaker cover. Step 8: After installing the electric auxiliary heat module, apply the circuit breaker label near the silicone breaker cover previously installed. mrcool.com...
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Page 23: Confirmation Of Indoor Unit
Amps Amps Amps CENTRALHK05 Ckt Bkr 18.0/20.0 23.0/27.0 25.0/30.0 CENTRALHK08 Ckt Bkr 28.8/32.0 37.0/42.0 40.0/45.0 CENTRALHK10 Ckt Bkr 36.0/40.0 46.0/53.0 50.0/60.0 CENTRALHK15 Ckt Bkr 18.0/20.0 23.0/27.0 25.0/30.0 36.0/40.0 46.0/53.0 50.0/60.0 CENTRALHK20 Ckt Bkr 36.0/40.0 46.0/53.0 50.0/60.0 36.0/40.0 46.0/53.0 50.0/60.0 mrcool.com... -
Page 24: Electrical Auxiliary Heating Wiring Diagrams
CONFIRMATION OF INDOOR UNIT 6.4 Electric Auxiliary Heating Wiring Diagrams mrcool.com... - Page 25 CONFIRMATION OF INDOOR UNIT mrcool.com...
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Page 26: Outdoor Unit Installation
If needed, build a barrier in front of the unit to protect it from extremely heavy winds. See figures below. If the unit is frequently exposed to heavy rain or snow, build a shelter above the unit to protect it from the rain or snow. Be careful not to obstruct air flow around the unit. mrcool.com... -
Page 27: Drain Fitting
IN COLD CLIMATES In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze inside the hose and flood the unit. mrcool.com... -
Page 28: Anchor Outdoor Unit
Rows of Series Installation The relations between H, A, and L are as follows: L ≤ 1/2H 25cm / 9-13/16in or more L ≤ H 1/2H < L ≤ H 30cm / 11-13/16in or more L > H Cannot be installed mrcool.com... - Page 29 RECOMMENDED AT ALL TIMES. CAUTION Make sure the wall is made of solid brick, concrete, or of similarly strong material. The wall must be able to support at least four times the weight of the unit. mrcool.com...
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Page 30: Connecting Quick-Connect Lineset
If any bubbles form, the system they are the same size. Being careful not to cross- has a leak and the screw connectors must be thread, screw the line connector onto the quick- retightened using an open-ended wrench. connect and hand-tighten. mrcool.com... - Page 31 If problems persist or for any questions about the installation or connection of the refrigerant lines, contact the customer service team or a licensed HVAC contractor. mrcool.com...
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Page 32: Electrical Connections
No other equipment should be connected to the same power circuit. • Connect the outdoor wires before connecting the indoor wires. 8.2 Wiring Overview (purchased separately) (purchased separately) (purchased separately) The diagrams are for explanation purpose only. Individual units may be slightly different. The actual diagram shall prevail. mrcool.com... -
Page 33: Outdoor Unit Wiring
COMMUNICATION LEADS BY THE STRAIN RELIEF 3. Insulate unused wires with electrical tape. Keep AND KEEP POWER SUPPLY LEADS AWAY FROM them away from any electrical or metal parts. COMMUNICATION LEADS. 4. Reinstall the cover of the electrical control box. mrcool.com... -
Page 34: Indoor Unit Wiring
Firmly screw the wires of each wire to Keep the interconnection cable away from the its corresponding terminal. Refer to the Serial Number copper tube. and Wiring Diagram located on the cover of the electric control box. mrcool.com... -
Page 35: Specific Wiring Methods
An alarm output (CN33) can be utilized if actions are required when a fault is present. This is a passive outlet port, so you will need to input a voltage signal. The relay is normally open for normal operation, and closed when a fault condition is active. mrcool.com... -
Page 36: Humidifier Control
UV, Fresh Air, or Ion Generator Wiring The WORK port is linked with the fan. When the fan is running, the relay is closed; if an active 24V signal is required, it can be directly connected to the G and C ports. mrcool.com... -
Page 37: Dip Switch Definition
ELECTRICAL CONNECTIONS 8.6 DIP Switch Definitions mrcool.com... - Page 38 S3 DIP switch, 2) The compressor cannot be 2) The c compressor can be operated when the outdoor operated when the outdoor temperature is lower than the temperature is ≥S3 DIP S3 DIP switch temperature. switch temperature +35.6°F (2°C). mrcool.com...
- Page 39 Default ON [Default] For single stage For dual stage supplemental supplemental heat, W1 and W2 heat, W1 and W2 are are connected controlled independently. S4-2 DH function selection [Default] Dehumidification Dehumidification feature control not available is enabled through the thermostat mrcool.com...
- Page 40 01 (corresponding to the dial code of the 5.1K resistor connected to the hardware is turned on), the network address value is the value of S2 plus 16; When S2 is 11 (all dialing codes are on), the network address value is the value of S2 plus 48. mrcool.com...
- Page 41 ELECTRICAL CONNECTIONS Air Volume Table mrcool.com...
- Page 42 ELECTRICAL CONNECTIONS Air Volume Table The constant airflow volume motor is applied. Therefore, the airflow volume is constant at all ESP within the stated range. mrcool.com...
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Page 43: Specifications
SPECIFICATIONS 9-Specifications Cooling and Heating Power Specifications mrcool.com... -
Page 44: Air Evacuation
12. Using a hexagonal wrench, fully open both the high pressure and low pressure valves. 13. Tighten valve caps on all three valves (service port, high pressure, and low pressure) by hand. Tighten it further using a torque wrench if needed. mrcool.com... -
Page 45: Adding Refrigerant
For example, in North America, the standard pipe length is 7.5m (25’). In other areas, the standard pipe length is 5m (16‘). The refrigerant should be charged from the service port on the outdoor unit’s low pressure valve. The additional refrigerant to be charged can be calculated using the following formula: mrcool.com... -
Page 46: Test Run
Ensure the manual buttons on the indoor unit work properly. c. Check to see that the drainage system is unimpeded and draining smoothly. d. Ensure there is no vibration or abnormal noise during operation. mrcool.com... -
Page 47: Signal Chart
TEST RUN 12.3 24V Signal Chart Note: 1: 24V signal 0: No 24V signal *: 1 or 0 The AUU will turn off if the 24V input cannot meet the table. mrcool.com... - Page 48 Versa Pro Central Ducted 18K-30K The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.
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