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Scholar V Installation & Startup Manual 07/2016 New

Marvair Scholar V VIAVA Installation & Operation Manual, 07/2016 New

The Educated Air Conditioning Choice

P.O. Box 400

•

Cordele, GA 31010

156 Seedling Drive

•

Cordele, GA 31015

Ph: 229-273-3636

•

Fax: 229-273-5154

Email: [email protected]

•

Internet: www.marvair.com

Please consult the Marvair

website at www.marvair.com for the latest product literature. Detailed dimensional data is available upon request. A complete

warranty statement can be found in each product’s Installation/Operation Manual, on our website or by contacting Marvair at 229-273-3636. As part of the

Marvair continuous improvement program, specifications are subject to change without notice.

NOTES

Содержание Marvair Scholar V

Страница 1: ...rs Scholar V with Free Blow Plenum WARNING SAFETY REQUIREMENTS If the information in these instructions is not followed exactly a fire may result causing property damage personal injury or loss of lif...

Страница 2: ...damage to the equipment Important SafetyPrecautions 1 USE CARE when LIFTING or TRANSPORTING equipment 2 TRANSPORT the UNIT UPRIGHT Laying it down on its side may cause oil to leave the compressor resu...

Страница 3: ...ntrol Wiring Rough In 14 1 08 Condensate Drain Line Rough In 16 1 09 Preparation of the Scholar V Units 16 1 10 Installation Through the Outside Wall 18 1 11 Electric Condensate and Heat Hook Ups 19 1...

Страница 4: ...nterface 1 02 INSPECTION UNPACKING HANDLING A The Scholar V heat pumps and air conditioners are shipped to the job site on 4x4 wood base framing and enclosed in shrink wrap Freeblow and ducted plenums...

Страница 5: ...LD NOT REMAIN IN THIS POSITION ANY LONGER THAN REQUIRED FOR THE ACTUAL MOVING PROCESS IF THE SCHOLAR V UNIT HAS BEEN PLACED ON ITS SIDE DO NOT ATTEMPT TO START THE UNIT UNTIL THE UNIT HAS BEEN UPRIGHT...

Страница 6: ...Damper std H GreenWheel ERV B Motorized Damper J Power Vent with Motorized Damper Special Options G Hot Gas Reheat Dehumidification VAI V Configuration V Scholar V Variable Speed Compressor V Refrige...

Страница 7: ...igh or low refrigerant pressure B Heat Related Controls The outdoor thermostat heat pump only factory set at 40 F determines the temperature at which the supplemental electric heat or wet heat turns o...

Страница 8: ...Relative Humidity set point adjustments are made on the HMI Human Machine Interface screen typically located on the front of the unit The HMI contains several screens with parameters that can be chan...

Страница 9: ...de The chosen operating mode is shown at the bottom of the screen Heating Press this button once to enter the heating mode The chosen operating mode is shown at the bottom of the screen AutoCool Heat...

Страница 10: ...ow Blower On Auto Read Out This box shows which blower operation technique is being used B Temperature Screen The next screen is the Temperature screen and shows several important temperature values a...

Страница 11: ...in Press this button to go back to the main screen Compressor Volts This box shows the speed control voltage being sent to the compressor Blower Volts This box shows the speed control voltage being se...

Страница 12: ...on if the temperature is satisfied in cooling but the relative humidity is still high Cooling is forced on for dehumidification with hot gas reheat to keep from overcooling the space Auto Cool Heat D...

Страница 13: ...door air path must not be impeded by shrubbery or other obstructions Do not locate the Scholar V heat pump or air conditioner where noxious fumes or gas can be drawn in from the outdoor air and introd...

Страница 14: ...and Air Conditioner 1 07 POWER AND CONTROL WIRING ROUGH IN A Line voltage power supply must be sized to provide adequate power for the operation of the specific model heat pump and if chosen the elect...

Страница 15: ...ectrical 3 4 x 1 KOs Access Opening Condensate 3 4 x 1 KO A 11 7 8 1 4 10 7 8 REAR VIEW LH SIDE VIEW 2 5 8 33 54 1 8 2 3 8 19 3 4 11 3 4 16 7 8 74 3 8 94 1 8 2 Return Air both sides Optional 3 4 Drain...

Страница 16: ...rough the condensate opening in the back panel beneath the outdoor air box Remove the shipping skids C To facilitate moving the Scholar through doors the out door air box can be removed To remove the...

Страница 17: ...Scholar V heat pump or air conditioner If a weather panel covers the wall opening described in Figure 4 remove the weather panel prior to installing the unit into the wall opening K After measuring fo...

Страница 18: ...y should have a clearance between the air box outside edge and the finished outside wall as shown in Figure 6 Proper fit up of the louver collar assembly to the air box to the outside wall requires th...

Страница 19: ...t this time Check instructions with wall brackets for installation or see Appendix E at end of this manual 1 11 ELECTRICAL CONDENSATE AND HEAT HOOK UPS WARNING ALL ELECTRICAL PLUMBING AND REFRIGERATIO...

Страница 20: ...er wires coming into the cabinet to the terminal block located next to the disconnect Install the ground wire on the ground lug CAUTION THIS SYSTEM CONTAINS COMPONENTS THAT REQUIRE PHASING FOR CORRECT...

Страница 21: ...21 Scholar V Installation Startup Manual 07 2016 New Figure 8a Typical Wiring Schematic Page 1 of 3...

Страница 22: ...Scholar V Installation Startup Manual 07 2016 New 22 Figure 8b Typical Wiring Schematic Page 2 of 3...

Страница 23: ...ust be installed in the factory or in the field 2 For models with an internal thermostat no internal control wiring is required The thermostat is preprogrammed at the factory to maintain a heating mod...

Страница 24: ...with the amount of fresh air flow required up to a maximum of 450 CFM Figure 10 illustrates the fresh air door settings and air flow rates Follow the directions in Figure 10 to ensure proper air flow...

Страница 25: ...as removed aligns with the hole adjacent to the desired air flow rate in CFM Reinsert the screw into the hole in plate B and firmly drive the screw through the appropriate air flow rate hole so plate...

Страница 26: ...eing brought into the classroom The speed controller is located in the control box Measure the intake air again and adjust the speed of the blower Repeat as necessary to meet the fresh air requirement...

Страница 27: ...rgized in the Dehumidification Mode when the supply air temperature is below the cooling set point DO 0 3 24 VAC to Condenser Fan Head Pressure Control DO 0 4 24 VAC to Heater Contactor DO 1 0 24 VAC...

Страница 28: ...ssor speed A control band is established by assigning a differential or to the cooling set point or heating set point This differential is adjustable but comes factory set at 0 25 F For example if the...

Страница 29: ...trol voltage increases incrementally by 5 volts every 20 seconds adjustable to a maximum of 9 volts Figure 13 Scholar V Cooling Control Method Deadband Setpoint Unit Off Below the lower point of the d...

Страница 30: ...os Unheated Rooms on Other Side of Wall Lamps Direct Sunlight The thermostat should be wired to the terminal strip in the Scholar V heat pump or air conditioner in accordance with the following diagra...

Страница 31: ...between phases should be 2 Voltage imbalance greater than this should be corrected immediately as it can cause mechanical problems and performance issues Electrical Rating Designations A C D Nominal V...

Страница 32: ...djust the values shown When a Set Point is pressed another screen will pop up where the numbers can be changed When done just press the arrow key shown Press button to change the Set Point Type in the...

Страница 33: ...he Temperature screen This screen will let you observe what compressor control voltage is being delivered to VSD Variable Speed Drive of the compressor This is the control value being delivered to the...

Страница 34: ...ity set point hasn t been satisfied by a pre determined time adjustable with password the compressor is set to run at full speed If the compressor shuts off due to the room temperature being 1 5 F bel...

Страница 35: ...re in Inches of Water Rated at 240 Volts Figure 1 Air Flow CFM vs ESP Wet Coil Qty per unit Size Type MERV1 Rating Return Air Filter 2 16 x 24 x 2 Pleaded disposable 81 Fresh Air Ventilation Filter 1...

Страница 36: ...INE VISIBLE AND CONCEALED DAMAGE ALL DAMAGE MUST BE REPORTED TO THE FREIGHT CARRIER WITHIN 15 DAYS ON THE FREIGHT CARRIER S FORM The label on the base stand identifies the part number of the base stan...

Страница 37: ...wn in the Installation and Start Up Manual Figures 3 and 4 IMPORTANT STUBOUTS SHOULD BE LOCATED FROM THE FLOOR OR WALL TO ALIGN WITH SELECTED CABINET KNOCK OUT ON THE CABINET AS SHOWN IN FIGURE 3 THIS...

Страница 38: ...ng the instructions provided in Appendix C WARNING WHEN MOVING RAISING THE SCHOLAR V CABINET UTILIZE ADEQUATE RESOURCES TO HANDLE THE 1 100 LB CABINET THIS IS TO AVOID PERSONAL INJURY OR DAMAGE TO THE...

Страница 39: ...BE REPORTED TO THE FREIGHT CARRIER WITHIN 15 DAYS ON THE FREIGHT CARRIER S FORM WARNING THIS EQUIPMENT MUST BE INSTALLED IN CONFORMANCE WITH ALL APPLICABLE LOCAL AND NATIONAL ELECTRICAL PLUMBING AND B...

Страница 40: ...nstalled REMOVE AND RETAIN SCREWS REMOVE AND RETAIN SCREWS REMOVE AND RETAIN SCREWS 2 On the top panel of the Scholar V unit locate the 6 holes that correspond with the six holes in the plenum BLOWER...

Страница 41: ...ic pressure to a minimum Applications using duct work should be designed and installed in accordance with the current edition of the National Fire Protection Association codes and standards 90A and 90...

Страница 42: ...ets with up to a 9 inch offset from the wall Trim strips are packaged in corrugated marked on the outside with part number 03027 and strapped to a skid for shipment to the job site They are painted to...

Страница 43: ...nd transmission through the trim strips apply acoustical insulation on the side of the strips that face the outdoor air box Debur all field cut or sawed metal edges IMPORTANT CAREFULLY MARK INDENT AND...

Страница 44: ...ump where deemed necessary by the specifier The wall brackets can be applied to any cabinet with a position of flush with the finished inside surface of the wall Brackets are covered with a protective...

Страница 45: ...UM TO ENSURE MAXIMUM HOLDING STRENGTH A Measure and mark on the inside surface of the wall where the two anchors for each bracket are to be placed Bore holes in the bracket and wall appropriate to acc...

Страница 46: ...are to be handled as fragile items IMPORTANT IMMEDIATELY UPON RECEIPT INSPECT THIS EQUIPMENT TO DETERMINE VISIBLE AND CONCEALED DAMAGE ALL DAMAGE MUST BE REPORTED TO THE FREIGHT CARRIER WITHIN 15 DAY...

Страница 47: ...BLOW PLENUM SCHOLAR V HEAT PUMP OR AIR CONDITIONER DISTANCE INCHES BETWEEN AIR BOX AND OUTSIDE FINISHED WALL LOUVER COLLAR OUTSIDE WALL NOTE TO PREVENT RAIN WATER FROM RUNNING DOWN THE INTERIOR OF THE...

Страница 48: ...e in three different configurations depending on mounting requirements 1 is the louver with collar 2 is the louvered grille without collar and 3 is the collars These types are shown below 2 When the i...

Страница 49: ...he Scholar V unit in the lower left side Use care when handing the heaters The heaters are wrapped in brown paper for protection during transit Remove the paper before installing the heaters The heate...

Страница 50: ...ke sure that the elements are not broken or bent when sliding the assembly into position C Secure the assembly with two screws D Pull the power wires from inside the heat pump through the electrical b...

Страница 51: ...154 Email marvair airxcel com Internet www marvair com Please consult the Marvair website at www marvair com for the latest product literature Detailed dimensional data is available upon request A com...

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