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Installation, Owner, and
Diagnostic Manual
®
IntelliPak
Commercial Self-Contained
Modular Series, 20-35 Ton
Models
“BO” and later Design Sequence
SCWG -020, -025, -030, -035
SIWG -020, -025, -030, -035
SCRG -020, -025, -032
SIRG -020, -025, -032
July 2000
SCXG-SVX01B-EN
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General Information About This Manual ECEM = Exhaust/comparative enthalpy module Literature Change History F/A = Fresh air Use this manual for commercial self- GBAS = Generic building automation contained models SCWG, SIWG, SCRG, system and SIRG. This is the original issue of this HGBP = Hot gas bypass manual. It provides specific installation, HI = Human Interface owner maintenance, and diagnostic HVAC = Heating, ventilation and air troubleshooting instructions for “BO” and conditioning later d
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Contents Cross reference to related publications/information: ® IntelliPak Self-Contained Programming Guide, PKG-SVP01B-EN Remote Air-Cool-Condenser Installation, Owner, and Diagnostic Manual, CXRC- SVX01A-EN 2 Installation 2 General Information 9 Pre-installation Considerations 17 Dimensions/Weights Mechanical Requirements 33 Electrical Requirements 37 Pre-Startup Requirements 39 64 Programming 74 Startup 77 Owner General Information 77 Sequence of Operation 91 Maintenance 98 Diagno
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General Installation Information Modular Series Self-Contained cally or chemically cleanable. The condensing unit. Also, air-cooled units Unit Components evaporator fan is double width, double have two refrigerant circuits. Water- inlet and forward curved with a fixed cooled units have four refrigerant circuits; Commercial self contained units are pitch belt drive assembly. Frequency which include a filter drier, pressure relief complete HVAC systems used in floor-by- drives or inlet guide vanes
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General Installation Information Control Options as unit control modules (UCM). In this Units can have either a thermostat manual, the acronym UCM refers to the ® control or IntelliPak UCM control entire control system network. network. These modules perform specific unit functions using proportional/integral ® IntelliPak Unit Controls control algorithms. They are mounted in Standard controls supplied with the the unit control panel and are factory ® IntelliPak unit include the human wired to
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General Installation Information Model Number Description Each self-contained unit has a multiple character model number unique to that unit. To determine a unit’s specific options, reference the model number on the unit nameplate using the model number explanation below. S C W G N 20 4 2 BO A B 2 10 065 B A 1 0 1 0 A A C F A 1 1 0 T 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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General Installation Information F = B and C H = Ventilation For 2 Pos. Cntrl Interface Digit 33 - Control Interface Options G = A, B and C 0 = None A = Generic BAS Module (GBAS) 0 = None B = Ventilation Override Module (VOM) Digit 29 - Water Piping C = Tracer Comm. Interface Module (TCI) Digit 26 - Drain Pan Type A = Right Hand Condenser Connection D= Remote Human Interface (RHI) A = Galvanized Sloped B = Left Hand Condenser Connection E= GBAS and TCI B = Stainless Steel Sloped C = Right Hand B
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General Information Installation “After-Shipment” Accessory Model Number S C W F N 20 4 2 AO A B 2 10 065 B A 1 0 1 0 A A C F A 1 1 0 T 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Digit 1 - Parts/Accessories 10 = 10 HP Motor J = BAYSENS020 - VAV Programmable P = Parts/Accessories 15 = 15 HP Motor
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Pre-Installation Considerations Installation Receiving and Handling Do not move damaged material from Notify the carrier’s terminal of the the receiving location. It is the receiver’s damage immediately by phone and Shipping Package responsibility to provide reasonable mail. Request an immediate joint Commercial self-contained units ship evidence that concealed damage did inspection of the damage by the carrier assembled on skids with protective not occur after delivery. and consignee. cover
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Pre-Installation Considerations Installation Installation Preparation 5. Remove the protective shipping covers from the unit. Refer to the “Unit Before installing the unit, perform Protective Covers” section on page 39. the following procedures to ensure proper unit operation. Note: Unit height and connection locations 1. Verify the floor or foundation is level. will change if external vibration isolators Shim or repair as necessary. To ensure are used. The unit may be raised an proper unit oper
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Pre-Installation Considerations Installation Service Access denser and fan motor access panels are secured with quick-acting fasteners. See Figure I-PC-4 and Table I-PC-1 for Access panels for evaporator coils, recommended service and code expansion and water valves, and left fan clearances. Access to thermostat unit bearing are sheet metal screws. Access controls is through a hinged access panel to other components for service requires door on the front, lower left of the unit’s removal of pane
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Pre-Installation Installation Considerations Rigging and Unit Handling Before lifting the unit or modular component, determine the approximate center of gravity for lifting safety. See Figure I-PC-5 for assembled modular units and Figure I -PC-6 for split-apart units. The center of gravity may vary slightly within the gravity block depending on unit options. WARNING ! Ensure lifting equipment capacity exceeds unit weight by an adequate safety factor to prevent injury, death,
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Pre-Installation Considerations Installation Rigging and Handling Unit Shipping 1. Position rigging sling under wood shipping skid. 2. Use spreader bars to avoid unit damage. 3. When using a forklift, exercise caution to prevent unit damage. 4. Use the standard fork length to lift one end and drag or pull unit while skidding the opposite end. 5. The unit center of gravity will fall within center of gravity block at various locations depending on unit options. 6. Use hooks to lift fan section onl
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Pre-Installation Installation Considerations Split-Apart Unit Assembly 13. Remove panel FLR and open the bottom control panel door, FLL. Pull the 1. Ensure the tagging information on the fan motor leads (coiled in the fan fan section nameplate matches that on section) through the knockout in the the compressor nameplate. bottom of the fan section to the control 2. Remove the connector brackets holding panel. Ensure that the bushing is the the sheet metal shipping cover on installed in the hole
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Pre-Installation Installation Considerations Figure I-PC-9 How to assemble the split apart modular unit. Figure I-PC-10 Modular unit panel description and internal connections. SCXG-SVX01B-EN 15
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Pre-Installation Installation Considerations Skid Removal The unit ships on skids to provide forklift locations from the front or rear. The skid allows easy maneuverability of the unit during storage and transportation. Remove the skids before placing the unit in its permanent location. Remove the skids using a forklift or jack. Lift one end of the unit off of the skids. See Figure I-PC-5 and I-PC-6 on page 12 for unit gravity block location. Slide the skids out and lower the unit at the install
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Dimensions Installation and Weights SCWG/SIWG Unit — English - (inches) ON PAGE 21 ON PAGE 20 ON PAGE 21 ON PAGE 21 ON PAGE 21 SCXG-SVX01B-EN 17
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Dimensions Installation and Weights SCWG/SIWG Unit — Metric- (mm) ON PAGE 21 ON PAGE 21 ON PAGE 21 ON PAGE 21 ON PAGE 21 18 SCXG-SVX01B-EN
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Dimensions Installation and Weights SCRG/SIRG Unit — English - (inches) ON PAGE 21 ON PAGE 21 ON PAGE 21 SCXG-SVX01B-EN 19
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Dimensions Installation and Weights SCRG/SIRG Unit — Metric - (mm) ON PAGE 21 ON PAGE 21 ON PAGE 21 20 SCXG-SVX01B-EN
