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The
Signature
Series is NOT designed for amateur installation.
Please read this manual carefully before installation and keep it for future reference.
Installation Manual
Signature Series
MAC17*A A/C SPLIT SYSTEM
The
Signature
Series is NOT designed for amateur installation.
Please read this manual carefully before installation and keep it for future reference.
Installation SHOULD be performed by an authorized technician.
Installation SHOULD be performed by an authorized technician.
Version Date: 08-02-22
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Summary of Contents for MrCool MAC17 A Series
- Page 1 Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician. Please read this manual carefully before installation and keep it for future reference. Installation Manual Signature Series MAC17*A A/C SPLIT SYSTEM Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
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Page 2: Table Of Contents
The unit must be installed with a matching the unit, use care to avoid sharp edges. R-410A is installed in the unit. *P508255-01* Manufactured By MRCOOL, LLC Hickory, KY 42051 (P) 508255-01 Save these instructions for future reference 508255-01 mrcool.com... -
Page 3: Installation
• Place a sound-absorbing material, such as Isomode, under the unit if it will be installed in a location or position that will transmit sound or vibration to the living area or adjacent buildings. Page 2 of 19 mrcool.com 508255-01... -
Page 4: Refrigeration Piping
It is important that no tubing be cut or seals broken until you are ready to actually make connections to the evaporator and to the condenser section. DO NOT remove rubber Figure 2. plugs or copper caps from the tube ends until ready to 508255-01 mrcool.com Page 3 of 19... - Page 5 Remove the vapor line sensing bulb. between tubing and foundation. Any gap between Disconnect the liquid line from the check expansion a vibration damping material. valve at the liquid line assembly. Disconnect the check expansion valve from the liquid Page 4 of 19 mrcool.com 508255-01...
- Page 6 0. (i.e., compressor burn out). Close the valve on the inverted R-410A drum and the gauge set valves. Pump the remaining refrigerant out NOTE may also be used. 508255-01 mrcool.com Page 5 of 19...
- Page 7 ON 7/8” AND LARGER LINES, MOUNT SENSING BULB AT EITHER THE 4 OR 8 O'CLOCK POSITION. MALE BRASS EQUALIZER LINE FITTING BULB BULB VAPOR LINE NOTE - NEVER MOUNT THE SENSING BULB ON BOTTOM OF LINE. Page 6 of 19 mrcool.com 508255-01...
- Page 8 Wash hands with soap and water after handling brazing brazing torch to a pressurized system may result in ignition of the refrigerant and oil mixture. Check the high and low pressures before applying heat. 508255-01 mrcool.com Page 7 of 19...
- Page 9 After all connections have been brazed, disconnect manifold gauge set from service ports. Apply additional water-saturated clot h s to both services valves to cool piping. Once piping is cool, remove all water-saturated cloths. Page 8 of 19 mrcool.com 508255-01...
- Page 10 E - After a few minutes, open one of the service valve ports and verify that the refrigerant added to the system earlier is measurable with a leak detector. After leak testing, disconnect gauges from service ports. NOTE - Service valve cores remain removed for the following evacuation procedure. 508255-01 mrcool.com Page 9 of 19...
- Page 11 Replace stem caps and finger tighten them, then tighten an additional one-sixth (1/6) of a turn as illustrated. H - Open suction service valve first before liquid valve to release the unit charge into the system. Replace valve caps and tighten (8 ft. lb.). Caps are the primary seal. Page 10 of 19 mrcool.com 508255-01...
- Page 12 (see Figure 7). The ball valve is equipped with a service port with a factory- installed Schrader valve. A service port cap protects the Schrader valve from contamination and serves as the primary seal. Figure 7. 508255-01 mrcool.com Page 11 of 19...
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Page 13: Electrical Wiring
Figure 8. Thermostat Designations - 1. Install line voltage power supply to unit from a properly Non-Communicating wiring should be trimmed or secured away from the High voltage power connections to 3-phase models connectors. Page 12 of 19 mrcool.com 508255-01... -
Page 14: Start-Up
0.6 oz. per 1 ft. * If line length is greater than 15 ft., add this amount. If line length is less than 15 ft., remove this amount. Table 4. Refrigerant Charge Adjustment 508255-01 mrcool.com Page 13 of 19... -
Page 15: Maintenance
Periodic washing of all exposed surfaces and coil will add additional life to your unit. Please consult your installing dealer for proper of drainage and clean if necessary. procedures in your geographic area. Page 14 of 19 mrcool.com 508255-01... -
Page 16: Homeowner Information
This mode is required when constant air If warranty replacement parts are required, the warranty On models without a fan selection switch, the fan will cycle with the outdoor unit. Temperature Indicator The temperature indicator displays the actual room temperature. 508255-01 mrcool.com Page 15 of 19... - Page 17 Figure 9. MAC13/14/16 Wiring Diagram (Single-Speed Condenser Fan) Page 16 of 19 mrcool.com 508255-01...
- Page 18 Figure 10. MAC13/14/16 Wiring Diagram (Multi-Speed Condenser Fan) 508255-01 mrcool.com Page 17 of 19...
- Page 19 LINE VOLTAGE FIELD INSTALLED CAPACITOR-DUAL CLASS II VOLTAGE FIELD WIRING HEATER-COMPRESSOR DENOTES OPTIONAL COMPONENTS CONTACTOR-COMPRESSOR K1,-1 SWITCH-HIGH PRESSURE SWITCH-LOSS OF CHARGE TERMOSTAT-CRANKCASE SWITCH-LOW PRESS, COMP 1 Figure 11. MAC17 Wiring Diagram (PSC Condenser Fan) Page 18 of 19 mrcool.com 508255-01...
- Page 20 CAPACITOR-DUAL LINE VOLTAGE FIELD INSTALLED HEATER-COMPRESSOR CLASS II VOLTAGE FIELD WIRING CONTACTOR-COMPRESSOR K1,-1 DENOTES OPTIONAL COMPONENTS SWITCH-HIGH PRESSURE SWITCH-LOSS OF CHARGE TERMOSTAT-CRANKCASE SWITCH-LOW PRESS, COMP 1 Figure 12. MAC17 Wiring Diagram (ECM Condenser Fan) 508255-01 mrcool.com Page 19 of 19...
- Page 21 Signature Series MAC17*A A/C SPLIT SYSTEM ELECTRICIAN and/or HVAC TECHNICIAN: LICENSE #: INSTALLATION DATE: INSTALLATION LOCATION: SERIAL NUMBER: 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.