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Installation & Owner’s

Manual

PRODIRECT™ SERIES

Air Handler HAH140*C

Thank you for choosing MRCOOL. Please read this manual carefully before installation and keep it for future reference.

Due to updates and constantly improving performance, the information and instructions within this

manual are subject to change without notice. Please visit www.mrcool.com/documentation to

ensure you have the latest version of this manual.

Version Date: 2-22-21

Содержание PRODIRECT Series

Страница 1: ...this manual carefully before installation and keep it for future reference Due to updates and constantly improving performance the information and instructions within this manual are subject to chang...

Страница 2: ...nd operation of this unit Read these instructions thoroughly before attempting installation or operation Failure to follow these instructions may result in improper installation adjustment service or...

Страница 3: ...WNFLOW 6 HORIZONTAL 7 ELECTRICAL WIRING 8 POWER WIRING 9 CONTROL WIRING 10 GROUNDING 11 ELECTRICAL DATA 12 REFRIGERANT CONNECTIONS 13 EXPANSION VALVE PISTON 14 CONDENSATE DRAIN TUBING 15 AIR FILTER no...

Страница 4: ...ersonnel for proper installation adjustment and operation of this unit Read these instructions thoroughly before attempting installation or operation Failure to follow these instructions may result in...

Страница 5: ...customers about chemicals found in or produced by some of our heating and air conditioning equipment or found in natural gas used with some of our products Listed below are those chemicals and substa...

Страница 6: ...y damage personal injury or death Exception warning to down ow Installations on a concrete oor slab with supply air plenum and ductwork completely encased must use at least 2 inches of concrete See NF...

Страница 7: ...ELECTRICAL CONNECTIONS CAN EXIT THE TOP OR EITHER SIDE OF THE UNIT 3 UNIT DIMENSIONS INDOOR UNIT mrcool com Page 5 UNIT LENGTH Table 1...

Страница 8: ...or and indoor coil and reinstall 180 degrees from its original position Refer to Fig 3 IMPORTANT To comply with certi cation agencies and the National Electric Code for horizontal right application th...

Страница 9: ...are secure and tight Check to make sure unit wiring to circuit breaker load lugs match that shown on the unit wiring diagram INDOOR UNIT mrcool com Page 7 When using the unit with the electrical heat...

Страница 10: ...38 804 738 1204 1060 919 1376 1235 1161 1562 1385 1208 1695 1574 1434 1695 1574 1434 0 18 0 18 0 23 0 23 0 23 0 28 0 28 CFM hi mi lo 1364 1229 849 1595 1366 1256 2046 1955 1562 2340 2100 1974 2480 243...

Страница 11: ...control wiring should not be run in conduit with main power wiring and must be separated from power wiring unless class 1 wire of proper voltage rating is used Low voltage control wiring should be 18...

Страница 12: ...hey are too small they also cause noise The installers should balance the air distribution system to ensure proper quiet air ow to all rooms in the home This ensures a comfortable living space An air...

Страница 13: ...gth from outlet center to bottom of valve body D Length from inlet center to bottom of valve body E Length from outlet center to valve body center F Length from inlet center to valve body center G Len...

Страница 14: ...E DRAIN TUBING IMPORTANT 1 When making drain tting connections to the drain pan use a thin layer of Te on paste silicone or Te on tape and install Hand tighten the ttings 2 When making drain tting con...

Страница 15: ...sure drain pan is draining completely no leaks are found in drain line ttings and water is draining from the termination of the primary drain line INDOOR UNIT mrcool com Page 13 An external lter or o...

Страница 16: ...and extract out 3 Clean the air lter A vacuum cleaner or pure water may be used to clean the air lter If the dust accumulation is too heavy use soft a brush and mild detergent to clean it and allow it...

Страница 17: ...17 WIRING DIAGRAMS Thermostat Wiring 6 Conductor 18 Guage Low Voltage INDOOR UNIT mrcool com Page 15 Control Wiring for A C Systems only Control Wiring for Heat Pump Systems W1 W1 A C...

Страница 18: ...o not change it freely 2 Use a dedicated circuit 3 Do not pull the power wiring hard 4 When connecting the air conditioner with the ground observe the local codes 5 If necessary use the power fuse cir...

Страница 19: ...d use the diagram below to wire according to the desired speed CN12 is the air volume output port The air volume is adjusted by connecting the wires with di erent speeds for the motor to the port CN12...

Страница 20: ...8 NOTE The cross section areas of wires or lines should not be less than the corresponding line measurements listed in the table below Besides if the power wires from the unit are quite long please ch...

Страница 21: ...to the air duct hole that you removed the plate from in the previous steps Align the 4 prongs at the end of the heat kit with the 4 corresponding holes on the opposite side of the air duct hole 7 Inst...

Страница 22: ...tection Green light ashing system is in normal operating status T2 Evaporator temperature sensor failure Error No Check the sensor to see if it is good or not Error If properly connected then replace...

Страница 23: ...Check the fan speed Error Replace PCB Check fan motor OK Error Replace fan motor Evaporator low temperature protection for cooling mode Error OK Check to see if the Strainer is blocked Check the conn...

Страница 24: ...PRODIRECT Series The design and speci cations of this product and or manual are subject to change without prior notice Visit www mrcool com for the latest documentation...