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MODEL
WCSP-J SYSTEM
INSTALLATION,
OPERATION
& MAINTENANCE
MANUAL
Central Hydronic Coil Series
2 to 5 Tons
Fan Coil Unit/Air Supply
Components
IN UNITED STATES: 260 NORTH ELM ST. WESTFIELD, MA 01085 (413) 564-5530/FAX (413) 564-5815
IN CANADA: 7555 TRANMERE DRIVE, MISSISSAUGA, ONTARIO, L5S 1L4 (905) 670-5888/FAX (905) 670-5782
Step 9: B & C Series Retrofits .............................17-19
Sequence Of Operation .......................................
Prior To Start-Up ..................................................
System Start-Up & Adjustments ..........................
Operating Setpoints .............................................21-23
Yearly Maintenance Checklist..............................
If System Fails To Operate ..................................
Service/Troubleshooting Form.............................
Parts List..............................................................
Warranty Information ...........................................
WCSPJ2-0417
45W30-WG0845
19
19
19
24
25
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Summary of Contents for SpacePak WCSP-J Series
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Page 1: Table Of Contents
WCSPJ2-0417 45W30-WG0845 MODEL WCSP-J SYSTEM INSTALLATION, OPERATION & MAINTENANCE MANUAL Central Hydronic Coil Series 2 to 5 Tons Fan Coil Unit/Air Supply Components Step 9: B & C Series Retrofits ......17-19 SECTION 3: START UP & OPERATION Sequence Of Operation ........Prior To Start-Up .......... - Page 2 Air distribution components installation must conform to the requirements of local authority having jurisdiction The SpacePak WCSP-J unit is a hydronic fan coil unit or, in the absence of such requirements, to the National which utilizes chilled or heated water from a chiller or Fire Protection Association 90A or 90B.
- Page 3 Above layout is shown as an SECONDARY DRAIN PAN: Specifically sized for illustrative assembly reference only. SpacePak horizontal fan coil units. Constructed of durable polyethylene. Fan coil unit sets directly on top R6 SUPPLY TUBING (AC-ST6-100): Flexible, R6 and can be installed with threaded rod.
- Page 4 Plenum Duct The larger system capacities (WCSP-3642/4860) are affected more by higher system static pressure than The plenum duct can be run in practically any location the smaller systems. The four and five ton systems are accessible for the attachment of the supply tubing (see ideally designed as indicated by the diagram in the lower suggested layouts in Figure 1.2).
- Page 5 Room Terminators Terminators should be located only in the ceiling or floor for vertical discharge. Horizontal discharge is accept- able, but is sometimes more difficult to install. Two excel- lent spots for horizontal discharge are in the soffit area above kitchen cabinets (see Figure 1.4) and in the top portion of closets (see Figure 1.5).
- Page 6 Connections Cond. Return Bottom System Drain Inlet Electrical Water Water capacity (NPT) (Dia.) Characteristics* Model (Nom. Tons) WCSP-2430J 2 - 2-1/2 230/1/60 7/8" 7/8" 3/4" 15" WCSP-3642J 3 - 3-1/2 230/1/60 7/8" 7/8" 3/4" 19" WCSP-4860J 4 - 5 230/1/60 7/8"...
- Page 7 WCSP-2430 @ 550 cfm Cooling Capacity WCSP-2430 @ 550 cfm Heating Capacity 26.0 60.0 24.0 55.0 42 EWT 22.0 50.0 160 EWT 45 EWT 45.0 20.0 40.0 140 EWT 18.0 35.0 48 EWT 16.0 30.0 120 EWT 14.0 25.0 20.0 12.0 3 .0 5 .0...
- Page 8 SpacePak system is completed, if you want to fit materials up through this hole. Refer to the "Installation Tip" supplied with the return...
- Page 9 Measure return air box dimension "A" to determine length of opening. Height = 14-5/16" 14-5/16" DWG0045 FIGURE 2.6: RETURN AIR BOx FRAME DIMENSIONS STEP 3: ATTACHING SUPPLY AIR PLENUM ADAPTOR NOTICE: If the unit is to be located in the attic and NOTICE: An Electric Heat Module cannot be installed installed through the ceiling joists, attach the supply in the WCSP-J model (due to resulting blower...
- Page 10 STEP 4: SETTING THE UNIT Construct a platform for the fan coil unit, as shown in NOTICE: Leave room on sides for servicing. Figure 2.8. The platform can be constructed of 2 X 4 (minimum), 2 X 6, 2 X 8 and 2 X 10 lumber, as necessary For installations with a return air box and return air to achieve sufficient height so that proper condensate duct, set fan coil unit on the platform with the elliptical...
- Page 11 Set DIP switches according to application. See page 13, unit. Use standard 15-amp circuit breaker and 14-gauge SpacePak J Series Control DIP switch settings. wire from power supply to unit. Alternately, the unit may be configured to run on 115V, Connect power supply to Terminals L1 and L2 on the 60 Hz power.
- Page 12 FIGURE 2.11: MODEL WCSP-J 230V STANDARD WIRING SCHEMATIC* * For 115V conversion instructions see conversion kit supplied separately with the unit.
- Page 13 NOTICE: Refer to duct installation instructions supplied with fan coil unit or follow manufacturers instructions supplied with other duct system types. SpacePak J Series Control Dip Switch Settings SpacePak J Series Control Variable Time Delay Settings...
- Page 14 Push the free end of the sound attenuating tube through the 4" hole until the two toggle springs on the room ter- OPTION: Using a SpacePak Kwik Connect Wall minator snap into place. Elbow (Model Number: AC-KCWE) addresses this...
- Page 15 Center the two spring clips on a line parallel to the Supply tubing comes in 100-foot sections (R8 tubing direction of the tubing routing from the room terminator comes in 75-foot sections and R6 tubing comes in 100- (see Figure 2.15). This is important since the weight foot sections) and may be cut to length with a knife or fine of the tubing will have a tendency to cause a part of the tooth hacksaw.
- Page 16 Hand insert the four plenum take off GASKET fasteners one at a time such that each clip reaches the interior of the duct. Using the SpacePak pliers, snap the fasteners into place until they lock in place (see Figure 2.20).
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Page 17: Step 9: B & C Series Retrofits
NOTICE FOR ALL RETROFITS The 7" duct can still be utilized with a transition kit (Part No. BM-6918) available from SpacePak. This kit will It may be necessary to add outlets to the system. The reduce the main plenum from 9" to 7" to adapt to the number of additional outlets will be dependent upon the existing 7"... - Page 18 9” RND w/40% of Total Outlets 7” RND w/60% of Total Outlets Handler DESIGN RULES FOR RETRO- FITTING “B&C” SERIES SPACEPAK EQUIPMENT TO NEWER (D,E,F,G,J) SERIES EQUIPMENT A: No outlets in the first 18” of straight pipe coming off the Air Handler B: Minimum distance between outlets is 6”...
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Page 19: Section 3: Start Up & Operation
7” RND w/70% of Total Outlets Handler C & D DESIGN RULES FOR RETRO- FITTING “B&C” SERIES SPACEPAK A & B EQUIPMENT TO NEWER (D,E,F,G,J) SERIES EQUIPMENT A: Minimum distance from the air handler outlet to first tee or elbow is 18”... - Page 20 d. To determine unit airflow, in CFM, measure the voltage 8. For outdoor unit start-up, follow manufacturer’s instructions. corresponding to the current conditioning call, and measure the external static pressure in the plenum, at 9. Check that temperature drop across the water coil least 18”...
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Page 21: Operating Setpoints
OPERATING SETPOINTS - 2430J FIGURE 3.2 SpacePak XXX -2430J System Curves Nominal operating point, 550 CFM at 1.2" ESP 5.0VDC 4.0VDC 3.0VDC 2.5VDC 2.0VDC 1.7VDC 1.4VDC 1.0VDC Air ow CFM FIGURE 3.21 Static P CFM's @ Speed Control Setting (VDC) -2430 5.0V... - Page 22 OPERATING SETPOINTS - 3642J FIGURE 3.3 SpacePak XXX -3642J System Curves Nominal operating point, 850 CFM at 1.2" ESP 5.0VDC 4.0VDC 3.5VDC 3.0VDC 2.5VDC 2.0VDC 1.7VDC 1.4VDC 1.0VDC 1000 1100 1200 1300 Air ow CFM FIGURE 3.31 Static P CFM's @ Speed Control Setting (VDC) -3642 5.0V...
- Page 23 OPERATING SETPOINTS - 4860J FIGURE 3.4 SpacePak XXX -4860J System Curves Nominal operating point, 1,150 CFM at 1.2" ESP 5.0VDC 4.0VDC 3.5VDC 3.0VDC 2.5VDC 2.0VDC 1.7VDC 1.4VDC 1.0VDC 1000 1100 1200 1300 1400 1500 Air ow CFM FIGURE 3.41 Static P CFM's @ Speed Control Setting (VDC) -4860 5.0V...
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Page 24: Factors Affecting The Balance Of The System
It is highly recommended that F CTOR 1.18 1.14 1.11 1.06 the adjustment factors outlined in the SpacePak Application Manual are accounted for prior to any installation. B. Orifice Combinations: Should orifices be required to balance the system (installed at plenum take-off),... -
Page 25: Section 4: Maintenance
SECTION 4: MAINTENANCE The SpacePak system has been designed to provide b. Replace service access panels and turn on unit years of trouble-free performance in normal installations. power disconnect switch. Examination by the homeowner at the beginning of each cooling season, and in mid-season should assure 3. -
Page 26: Service/Troubleshooting Form
Temp: °F; Superheat: °F Equipment Data: Approximate time running before taking readings: Hrs. SPACEPAK Model # ESP / WCSP - Did you adjust the TXV? (Y/N); (If yes, explain): SPACEPAK Serial # SPACEPAK Date of Installation: Cond Unit Mfr:... -
Page 27: Parts List
REF. PART DESCRIPTION UNIT SIZE PART NUMBER Primary Drain Pan 2430J W06RWG0220-12 Primary Drain Pan 3642J W06RWG0220-13 Primary Drain Pan 4860J W06RWG0220-14 Coil Assembly, Hydronic 2430J 45W50-WG0631-01 Coil Assembly, Hydronic 3642J 45W50-WG0631-02 Coil Assembly, Hydronic 4860J 45W50-WG0631-03 Transformer Assembly All Sizes 460RWG0604-J1 Blower Assembly All Sizes... -
Page 28: Warranty Information
LIMITED WARRANTY Central Air Conditioning Products The “Manufacturer” warrants to the original owner at the original installation site that the Central Air Conditioning Products (the “Product”) will be free from defects in material or workmanship for a period not to exceed one (1) year from the startup or eighteen (18) months from date of shipment from the factory, whichever occurs first.
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