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Greenheck Fan MSCF-BI manual

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Table of contents for the manual

  • Page 1

    Only qualified personnel should install this unit. Personnel should have a clear understanding of these instructions and should be aware of general safety precautions. Impr oper installation can result in electric shock, possible injury due to coming in contact with moving parts, as well as other potential hazards. Other considerations may be requ[...]

  • Page 2

    2 Model MSCF Modular Small Cabinet Fan ® The unit should be stored at least 3½ in. (89 mm) of f the floor on wooden blocks covered with moistur e proof paper or polyethylene sheathing. Aisles between parts and along all walls should be provided to permit air circulation and space for inspection. Inspection and Maintenance during Storage While in[...]

  • Page 3

    3 Model MSCF Modular Small Cabinet Fan ® T able of Contents Installation U n i t L a y o u t .............................. . 3 Mounting / Hanging Instructions . . . . . . . . . . . . . 4 Mounting Dimensions ...................... 5 Dimensions / Weights ...................... 6 Filter Sizes / Quantity . . . . . . . . . . . . . . . . . . . . . . 6 [...]

  • Page 4

    4 Model MSCF Modular Small Cabinet Fan ® Hanging Bracket Part No. 710774 Drawing No. 85537 Hanging Bracket Part No. 710774 Drawing No. 85537 Bridge Bracket Part No. 711779 Drawing No. 89814 One required per assembly Bridge Bracket Part No. 711779 Drawing No. 89814 One required per assembly 3/4 inch Flat Washer One required per assembly 3/4 inch Fl[...]

  • Page 5

    5 Model MSCF Modular Small Cabinet Fan ® 24 PLENUM 12 PLENUM CHILLED WA TER COIL HEA TING COIL VERTICAL FIL TER FA N MIXING BOX w/DAMPER MSCF Mounting Dimensions A B C D E F G H M Modular Construction The MSCF is designed to be modular so it can be mounted as an assembly or as individual sections when the appropriate lifting equipment is not avail[...]

  • Page 6

    6 Model MSCF Modular Small Cabinet Fan ® Dimensional Data Filter Sizes and Quantity Unit Size A B C D E F G Unit Width Inlet Outlet w/o Filter w/ Filter 12 in. 24 in. Vertical Sloped Hot Water 1 & 2 Row 4 Row HW & Steam Height Width Height Width 15 11 24.5 12.75 24.5 12.75 24.5 12.75 15.5 24.5 25 11 38 9 36 4 6.75 20 14 24.5 12.75 24.5 12.[...]

  • Page 7

    7 Model MSCF Modular Small Cabinet Fan ® Coil Dimensions NOTE Fluid enters the coil from the bottom connection (Inlet) and exits from the top (Outlet). Hot W ater • 1 and 2 Row Unit Size Face Area A B C D E F 15 1.6 38 12.75 11.0 3.0 0.75 .5 20 2.2 38 12.75 14.0 4.5 0.75 .5 25 2.7 38 12.75 16.0 4.0 0.88 .5 30 3.2 38 12.75 18.5 4.0 0.88 .5 45 4.5[...]

  • Page 8

    8 Model MSCF Modular Small Cabinet Fan ® NOTE With airflow from left to right, the fluid enters the coil from the bottom connection (Inlet) and exits from the top (Outlet). The other two coil connections should be capped off (cap). Chilled W ater • 4, 6 or 8 Row NOTE With airflow from left to right, the fluid enters the coil from the center conn[...]

  • Page 9

    9 Model MSCF Modular Small Cabinet Fan ® Direct Expansion (DXI) • 4, 6 or 8 Row Dual Circuit with 50/50 Face Interlaced Construction NOTE The first suction header on the entering air side of the coil is circuited to the top distributor . With airflow from left to right, the fluid enters the coil from the center connection (Inlet) and exits fr om[...]

  • Page 10

    10 Model MSCF Modular Small Cabinet Fan ® any two supply power connections will reverse the direction of r otation. T o reverse the r otation, turn the power off and use the following procedur e: • Forsinglephaseunits,rewir ethemotorperthe instructions on the motor . • Forthreephaseunits,inter chang[...]

  • Page 11

    11 Model MSCF Modular Small Cabinet Fan ® Symptom Possible Cause Corrective Action Blower fails to operate Blown fuse or open circuit br eaker Replace fuse or r eset circuit br eaker and check amps Broken fan belt Replace Defective motor or capacitor Replace Motor starter overloaded Reset starter and check amps Motor overamps Airflow too high Chec[...]

  • Page 12

    12 Model MSCF Modular Small Cabinet Fan ® Hot W ater and Chilled W ater 1. Piping should be in accordance with accepted industry standards. Pipework should be supported independently of the coils. Water pipes are copper with sweat connections. USE WET TOWEL TO AVOID BURNING COIL CONNECTION GROMMETS. When installing coupling, do not apply undue str[...]

  • Page 13

    13 Model MSCF Modular Small Cabinet Fan ® 2P = minimum 2P = minimum Drain Pan / Drain T rap Drain Pan / Drain T rap Drain lines and traps should be run full size from the drain pan connection. Drain pans should have drain lines and traps to permit the condensate from the coils to drain freely . On all units with drain pans, the trap depth and the [...]

  • Page 14

    14 Model MSCF Modular Small Cabinet Fan ® Installation of Electric Heater (optional) W ARNING Electrical Shock Hazard! Disconnect all power sources befor e doing any work on the unit. Effect of Low V oltage on W attage and British Thermal Unit (BTU) The heating elements may be used on voltages lower than the design voltage of the heater , however [...]

  • Page 15

    15 Model MSCF Modular Small Cabinet Fan ® Sequence of Operation - Electric Heater 1. Electric heaters are divided in to equally sized steps. For example, a 60 kW heater with 3 steps will have 20 kW per step. The thermostat and step controller will contr ol these steps. 2. 120 V olt power from the control center (when supplied) or by others with ou[...]

  • Page 16

    16 Model MSCF Modular Small Cabinet Fan ® Every Three (3) Months Filters - The filter in the unit should be inspected at least every three (3) months. Depending on the environment, filters could r equire changing or cleaning more or less often. The filters can be slid out of the coil connection side of the unit. If washable filters are install[...]

  • Page 17

    17 Model MSCF Modular Small Cabinet Fan ® Coil Maintenance Start-Up Documentation CAUTION Fin edges are sharp. Coils must be clean to obtain maximum performance. Check once a year under normal operating conditions and, if dirty , brush or vacuum clean. Soiled fins reduce the capacity of the coil, demand more energy fr om the fan, and create an en[...]

  • Page 18

    18 Model MSCF Modular Small Cabinet Fan ® Maintenance Log Date __________________ Time _____________ AM/PM Notes:___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ __________________________________________[...]

  • Page 19

    19 Model MSCF Modular Small Cabinet Fan ® Maintenance Log Date __________________ Time _____________ AM/PM Notes:___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ __________________________________________[...]

  • Page 20

    Greenheck warrants this equipment to be fr ee from defects in material and workmanship for a period of one year fr om the purchase date. Any units or parts which pr ove defective during the warranty period will be replaced at our option when returned to our factory , transportation pr epaid. Motors are warranted by the motor manufacturer for a peri[...]