Sterling MS User Manual

MSIOM-3J30-06624INSTALLATION AND SERVICE MANUALSEPARATED COMBUSTIONINDOOR MAKE-UP AIR UNIT ARRANGEMENTSFOR HEATING, COOLING AND VENTILATING SYSTEMS Mo

— 10 —231Connector to Flange Assemblystips of Sealing Tape to becontinuous or overlappingused when sealing Flexibleconnectionson Flangeuse Sealing Tap

— 11 —Figure 7 - Arrangement B & D Capacities10/40Figure 8 - Arrangement G Capacities 10/40Figure 9 - Arrangement G Capacities 50/80Figure

— 12 —Figure 11 - Manufacturer’s Recommended Service ClearancesNote: Recommended ceiling clearance 36" (914mm) is to the top of the furnace venti

— 13 —DUCT CONNECTIONSAll ductwork must be properly supported so that no strain is put on the unit. Do not alter or bend the discharge duct fl anges su

— 14 —MODULATING GAS CONTROL (OPTIONAL)*Electronic: On units equipped with electronic modulating control, follow control manufacturer’s installation i

— 15 — 1. Mixed Air Controller 2. Return Firestat 3. Economizer 4. Filters 5. Blower Motor 6. Reverse Air Flow Switch 7. Clogged Filter

— 16 —DX COIL EQUIPPED UNITS (OPTIONAL)See Coil Installation/Maintenance Manual for Refrigerant Piping, Liquid and Suction Line Components, Refrigeran

— 17 —The gas valve consists of two operators which provide gas to the pilot and main burners. Both operators are energized and de-energized by the ig

— 18 —AIR HANDLING REQUIREMENTS AND ADJUSTMENTS Remove wooden shipping support from beneath blower housing of Blower Secti

— 19 —LIGHTINGRefer to Separated Combustion Indoor Duct Furnace Manual for all heating functions - general comments are as follows. Purge the gas line

— 2 —1 inch water column =0.249 kPa1000 Btu per hour = 0.293 kW1000 Btu/Cu. Ft. = 37.5 MJ/m3liter/second = CFM x 0.472meter/second = FPM ÷ 196.8The fo

— 20 —PILOT ADJUSTMENT1. Disconnect wire from terminal marked MV at gas valve.2. Provide call for heat.3. Pilot adjustment is found on the gas valve

— 21 —Starting Unit in Cooling Mode1. Close the unit disconnect switch which provides power to the unit. High voltage is present in some areas of the

— 22 —HIGH LIMIT AND/OR SAFETY LIMIT MAINTENANCESingle furnace units are equipped with a primary high limit on the upstream side of the heat exchanger

— 23 —STANDARD CFM BLOWERHIGH CFM BLOWERAAABStandard CFM Blower Air Filter Size Requirements Number of Filters Required Unit Input 16 x 20 (in) 2

— 24 —Figure 19AABBAAKEY B PROJECTS TO PROVIDE A GRIP FOR REMOVING.DO NOT OPERATE SHEAVE WITH FLANGE PROJECTINGBEYOND THE HUB END.D3881Blower RPM Adju

— 25 —VII. TROUBLESHOOTINGFor troubleshooting of the duct furnace, refer to the Separated Combustion Indoor Gas-Fired Duct Furnace Installation and Se

— 26 — PROBLEM PROBABLE CAUSE SOLUTION 1. Noise Blower Wheel a. Loose on shaft. b. Defective blower wheel. Do not r

— 27 — PROBLEM PROBABLE CAUSE SOLUTION 2. CFM Low Filters Dirty or clogged. Insuffi cient Air Flow Coil - DX or Chilled Wa

— 28 — PROBLEM PROBABLE CAUSE SOLUTION 3. Motor runs and then Partial loss of line voltage. Check for loose connections. d

— 29 — PROBLEM PROBABLE CAUSE SOLUTION 6. Belts mismatched Belts improperly tensioned, causing Replace belts and tension drive

— 3 —II. GENERAL SAFETY REQUIREMENTS Open all disconnect switches before installing the unit. If the power disconnect is out of sight, lock it in the

— 30 —TROUBLESHOOTING GUIDECHILLED WATER COOLING COIL PROBLEM PROBABLE CAUSE SOLUTION 1. No or Insuffi cient Cooling Circulating p

— 31 —“FOR CANADIAN INSTALLATIONS ONLY”The following instructions apply to Canadian installations in addition to installation and operating instructio

— 32 —Indoor Arrangement [IA] “A”Capacities [CA] 50 - 80Indoor Arrangement [IA] “A”Capacities [CA] 12XI. DIMENSIONAL DATA — ARRANGEMENTSRefer to page

— 33 —DIMENSIONAL DATA — ARRANGEMENTSThis tabulated dimensional data applies to all dimensional drawings.TypicalIntake Air End View (Not applicable to

— 34 —Indoor Arrangement [IA] “B”Capacities [CA] 10/40(ships in one section)Indoor Arrangement [IA] “B”Capacities [CA] 50/80(ships in two sections)DIM

— 35 —DIMENSIONAL DATA — ARRANGEMENTSIndoor Arrangement [IA] “D”Capacities [CA] 10/40(ships in one section)Indoor Arrangement [IA] “D”Capacities [CA]

— 36 —Indoor Arrangement [IA] “G”Capacities [CA] 20/40(ships in one section)Indoor Arrangement [IA] “G”Capacities [CA] 50/12(ships in two sections)DIM

— 37 —DIMENSIONAL DATA — ARRANGEMENTSIndoor Arrangement [IA] “K”Capacities [CA] 10/40(ships in one section)Indoor Arrangement [IA] “K”Capacities [CA]

— 38 —XII. MOTOR ELECTRICAL DATAFull Load Current In Amperes1 - (115/1/60) 2 - (208/1/60) 3 - (230/1/60)1ODP2TE3PEODP4PETE1ODP2TE3PEODP4PETE1ODP2TE3PE

— 39 —XIII. UNIT/SHIP WEIGHTSCooling Coil Weight Adder (Approximate) DX COIL (CA) Capacity 4 Row 6 Row 10, 15 97 lbs. 132 lbs. 20, 25, 50 1

— 4 —LOCATIONBefore placing the Make-Up Air unit in its permanent location, make certain that the structure is capable of carrying the additional load

— 40 —XIV. COIL CABINET DIMENSIONAL DATASide Opening of Coil ModuleMaximum Coil DimensionsINSIDE UNIT WALL“ L” MAX.31-3/4"(806)26" (660)OUT

— 41 —SEPARATED COMBUSTION INDOOR MAKE-UP AIR PRODUCTSMODEL “MS” SUBMITTAL INDEXSingle Furnace Units(ETL Certifi ed)IA “B”CA (10/40)Unit Type (UT): MSS

— 42 —Digit M X X — 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 +Item Prefi x UT CA FT FM IA CO GT GC SV MT MS AI AC AS (Internal use Only) XV

— 43 —NOTES:

— 44 —XVII. GAS EQUIPMENT START-UPCustomer ____________________________________ Job Name & Number _________________________PRE-INSPECTION INFOR

— 5 —SUSPENSION/RIGGING Make certain that the structure to which the single, dual, triple furnace and air handler sections is to be mounted is capable

— 6 —Figure 1 - Hoisting of Make-Up Air Unit (Single Furnace) Without Lifting BracketsFigure 2 - Hoisting of Make-Up Air Unit (Singl

— 7 —III. INSTALLATIONRefer to all dimensional data within the manuals equipped with your unit.SINGLE FURNACE UNITSSingle furnace units (capacities 10

— 8 —**Furnace AssemblyFlange Assemblywith FlangeMounts toAir Handler5"Approx.for Flexible2" SlotsConnectorAIR FLOWAIR FLOWPanelTop Extensio

— 9 —Flexible ConnectorContinue bending tightly around FlangeAssembly making surebends are neat and evenKeep uniform distancearound Flange Assemblyon