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TUTTOKool PSC Series Installation And Operation Manual

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INSTALLATION AND OPERATION MANUAL
WALL MOUNT AIR HANDLER
PSC and ECM Series
R454B Refrigerant
Original instructions.
Please read this manual carefully and keep it for future reference.
All the pictures in this manual are for illustrations purpose only.

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  • Page 1 INSTALLATION AND OPERATION MANUAL WALL MOUNT AIR HANDLER PSC and ECM Series R454B Refrigerant Original instructions. Please read this manual carefully and keep it for future reference. All the pictures in this manual are for illustrations purpose only.
  • Page 2 -system heat pumps or air conditioners. The PSC series uses a Fixed Orifice and a 3 Speed PSC Motor. ECM Series uses a TXV and a 5 speed multi-tap ECM motor for efficiency. Units are available in 24,000 through 36,000 Btu/h nominal cooling capacities. Field-installed heaters are available in 5, 7.5, and 10 kW sizes.

  • Page 3: Table Of Contents

    CONTENTS 1 SAFETY Safety Signs Safety Precautions 2 ABOUT THE PRODUCT Unit Dimensions Parts Introduction Attached Fittings 3 INSTALLATION Check Equipment Mount Air Handler Conversion to Bottom Return Leak Dissipation System Refrigerant Charge and Room Area Limitations 4 REFRIGERANT LINE 5 AIRFLOW PERFORMANCE 6 DUCTWORK ABOUT THE AIR FILTER...

  • Page 4: Safety

    This document is customer property and is to remain with this unit. These instructions do not cover all the different variations nor does it provide for every possible contingency to be met in connection with installation. All phases of this installation must comply with national state and local codes. If additional information is required, please contact your local distributor.

  • Page 5: Safety Precautions

    WARNING 1.2 Safety Precautions DANGER PROPOSITION 65: This appliance contains fiberglass insulation. Respirable particles of fiberglass are known to the State of California to Disconnect all power to unit before installing or cause cancer. servicing. More than one disconnect switch may be required to de-energize the equipment.
  • Page 6 WARNING WARNING WARNING Only use this unit in a well-ventilated area and When repairing the refrigerating system, comply ensure unit's airflow inlet and outlet would not be with the following precautions prior to conducting impeded by obstructions. Do not use this unit in work on the system: the following locations: –...
  • Page 7 Leak detection fluids are also suitable for use Refrigerating pipe or components are installed in with most refrigerants but the use of detergents a position where they are unlikely to be exposed containing chlorine shall be avoided as the to any substances which may corrode refrigerant chlorine may react with the refrigerant and containing components, unless the components corrode the copper pipe-work.
  • Page 8 Prior to recharging the system, it shall be When transferring refrigerant into cylinders, pressure-tested with the appropriate purging ensure that only appropriate refrigerant recovery gas. The system shall be leak-tested on cylinders are employed. Ensure that the correct completion of charging but prior to commissioning. number of cylinders for holding the total system A follow up leak test shall be carried out prior to charge is available.
  • Page 9 training on the meaning of appropriate safety If electrical appliances are disposed of in landfills signs and the actions that need to be taken in or dumps, hazardous substances can leak into connection with these signs. the groundwater and get into the food chain, harming your health and well-being.

  • Page 10: About The Product

    2 ABOUT THE PRODUCT 2.1 Unit Dimensions Liquid line connection Low voltage connection Vapor line connection Breaker switch (comes with accessory High voltage connection electric heater only) 7/8” (22 mm) dia knock outs (both sides of unit) Some heater sizes may require a conduit larger than the 7/8"(22 mm) opening, in this situation...

  • Page 11: Parts Introduction

    2.2 Parts Introduction Fig. 2-2 Number Parts Control Board Motor Blower AL-Evaporator R454B Refrigerant Sensor Table 2-2 2.3 Attached Fittings Attached Fittings Name Appearance Quantity Indoor unit operation and installation manual Accessory package Alarm output wires Table 2-3 Note：The above list is for most models, different models of the attached fittings list may be slightly different. Check if any accessory in the above figure is missing.

  • Page 12: Installation

    3. Lift the air handler above the wall mounting bracket and 3 INSTALLATION attach the unit to the installed bracket. Refer to Fig. 3-1. 3.1 Check Equipment PROVIDED AIR-HANDLER MOUNT BRACKET Unpack unit and move to final location. Remove carton, taking care not to damage unit.

  • Page 13: Conversion To Bottom Return

    NOTICE WARNING WARNING INJURY HAZARD INJURY HAZARD Mounting wall and supporting structure must be able to support a minimum of 150 lb(68 kg). Failure to follow this warning could result in Failure to follow this warning could result in personal injury or death. Do not, under any personal injury or death.

  • Page 14: Txv

    3.5 Leak Dissipation System Condensate flow from secondary drain indicates a plugged primary drain. Install a 2" (51 mm) trap in condensate drain line as close to coil as possible. Make WARNING sure that the top of the trap is below the connection to the drain pan to prevent condensate from overflowing drain PERSONAL INJURY OR Property Damage pan.

  • Page 15: Refrigerant Charge And Room Area Limitations

    CAUTION 3.6 Refrigerant Charge and Room Area Limitations The refrigerant leakage sensor can only use the factory model. The R454B refrigerant leakage In UL/CSA 60335-2-40, R454B refrigerant is classified sensor must be used to activate the refrigerant as class A2L, which is mildly flammable. Therefore, shut-off device, the alarm device, incorporated R454B refrigerant is suitable for systems needing circulation airflow or other emergency controls,...
  • Page 16 The area of the connected rooms, on the same floor, The minimum opening area for connected rooms connected by permanent opening in the walls and/or doors between occupied spaces, including gaps between the wall and the floor, can be considered a lb-oz lb-oz single room when determining compliance to A...
  • Page 17 The required minimum room area If the altitude of installation is higher than 2000 ft, the required minimum room area follow as Table 3-6. lb-oz Altitude(ft) lb-oz 2001- 4001- 6001- 8001- 10001- 12001- 14001- above 33.1 10-2 152.1 14.2 4000 6000 8000 10000...
  • Page 18 CAUTION If the actual room area, air outlet height, and refrigerant charge amount are not reflected in the above table, more severe cases need to be considered according to the data in the Table 3-2, 3-3, 3-4, 3-5. Installation scheme flow chart Check if the minimum room area meets the requirements Determine the room size and the...

  • Page 19: Refrigerant Line

    CAUTION 4 REFRIGERANT LINE Use a wet rag to protect the two seal ring in the The suction pipe and liquid pipe of the indoor unit need input pipe from being damaged by torch flames to be protected and cannot be grabbed when moving while brazing.

  • Page 20: Airflow Performance

    5. AIRFLOW PERFORMANCE PSC Series EXTERNAL STATIC PRESSURE (in H MODEL (SIZE, TON) BLOWER SPEEDS 18 (1-1/2) High - Factory 24 (2) High - Factory 30 (2-1/2) Med - Factory 1197 1152 1097 1046 High 1338 1284 1220 1159 1096...

  • Page 21: Ductwork

    6 DUCTWORK WARNING If appliances connected via an air duct system to Field ductwork must comply with the National Fire one or more rooms are installed in a room with an Protection Association NFPA 90A, NFPA 90B and any area less than shown in section 3.6 Table 3-3, applicable local ordinance.

  • Page 22: About The Air Filter

    7 ABOUT THE AIR FILTER Care and Maintenance For continuing high performance and to minimize possible equipment failure, it is essential that periodic 7.1 Air Filter (Not Factory-Installed) maintenance be performed on this equipment. The only required maintenance that may be performed by the External filter or other means of filtration is required.

  • Page 23: Drain Pipe Installation

    8 DRAIN PIPE INSTALLATION Auxiliary drain line should be run to a place where it will be noticeable if it becomes operational. Homeowner should be warned that a problem Consult local codes for specific requirements. exists if water should begin running from the auxiliary drain line.

  • Page 24: Electrical Wiring

    9 ELECTRICAL WIRING In the U.S.A., wiring must conform with current local codes and the current National Electric Code (NEC). In Canada, wiring must conform with current local codes and the current Canadian Electrical Code (CEC). DANGER Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical components.

  • Page 25: Control Board

    ECM motor Schematic CAUTION: WIRING DIAGRAM NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND ATTENTION: SEE NAME PLATE FOR VOLT&HERTZ NE CONVIENT PAS AUXINSTALLATIONS DE PLUS DE 150V ALA TERRE FIELD POWER WIRING CLASS 2 DETAILED REFERENCE YELLOW Switch ON position: Switch OFF position: MANUAL INSTRUCTIONS...

  • Page 26: Control Wiring

    9.1 Control Wiring 9.1.1 Low voltage wires maximum length Table 9-1 defines the maximum total length of low voltage wires from the outdoor unit to the indoor unit and the CAUTION indoor unit to the thermostat. Conventional 24VAC non-communicating thermo Conventional 24VAC Non-communicating Control Wires -stat control wires must be connected reliably and protected by insulation.
  • Page 27 2. Wires connections diagram. THERMOSTAT Terminal TO THERMOSTAT INDOOR UNIT OUTDOOR UNIT Fig.9-2 3. Low voltage wires connections with outdoor unit. Connect the conventional 24VAC non-communicating thermostat control wires (C, B, Y and W) to the four field supplied wires. The unused wires should be insulated Multicore wires used for 24VAC...
  • Page 28 4. Low voltage wires connections with thermostat. 4.1 Connect the Control communication cables by wire nut. The unused wires should be insulated Connect the wires by wire nut THERMOSTAT NOTICE Please secure the cable after it is connected with the wire nut. Fig.9-4 4.2 Wiring diagram of the thermostat.
  • Page 29 Wiring for 2H and 1C thermostat Y E L LO W R ED BLAC K GR EE N P U R PL E H/DH G R AY THERMOSTAT BLU E W H ITE BR OW N INDOOR UNIT Note: W1 and W2 are jumped, so Electric Heat will only function in high stage.

  • Page 30: Power Wiring

    9.2 Power Wiring The cut edge of the insulation should be reinforced with foil tape to prevent fraying. The foil facing and insulation shall not be removed beyond the knockout Refer to unit wiring instructions for recommended wiring opening size. procedures.
  • Page 31 9.2.3 Power Wires Connections NOTICE Power wiring may be connected to either the right, side or Electrostatic discharge can affect electronic top. Three 7/8", 1-3/8", 1-3/4" dia. concentric knock-outs components. Take care during unit installation are provided for connection of power wiring to unit. and service to protect the unit’s electronic Power wires by splicing follow as Fig.9-8.

  • Page 32: Alarm Wiring

    9.3 Alarm Wiring 9.3.1 Wiring Diagram Alarm output CN34 wires Ext output wiring Control board Central monitor Fig.9-9 Note: The remote control of the internal circuit is for reference only, the user can change the wiring mode according to the actual situation.

  • Page 33: Electric Heater Kit

    9.4 Electric Heater Kit 9.4.1 Electric heater kit breaker information Model Breaker Description EHK2-05B 5 kW heater Max. 240 V, 30 A, 2 P 18,24,30,36 EHK2-08B 7.5 kW heater Max. 240 V, 50 A, 2 P 18,24,30,36 EHK2-10B 10 kW heater Max.
  • Page 34 9.4.2 Electric Heater Kit Electrical Data PSC Series Min. Circuit Max. Fuse or Breaker Heater Kit Electric Fan Speed Ampacity (HACR) Ampacity Model Model Heater Used (kW) 240 V 208 V 240 V 208 V Medium High • • •...

  • Page 35: Dip Switch Settings

    PSC series remain set to OFF. ·SW7 dip switches are not used and should remain set to The dip switches on the PSC series units are located in OFF. the lower left portion of the control board. (SW6) ·PSC 18 K (1.5 Ton), dip switch 1 is set to ON, switch 2 is set to ON.

  • Page 36: Service

    11.2 Pistion Installation 11 SERVICE This coil comes with a factory installed piston metering 11.1 Error Code and Troubleshooting device. See Table 11-3 for factory installed piston size. Some system combinations will require a different sized The unit LED will flash when the unit is abnormal. piston to be field installed.

This manual is also suitable for:

Ecm series

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