Table of Contents
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MODEL
ESP-G SYSTEM
INSTALLATION,
OPERATION
& MAINTENANCE
MANUAL
Central Air Conditioning Series
2 to 5 Tons
Fan Coil Unit/Air Supply
Components
SpacePak System Design.......................................
Code Compliance.....................................................
Air Distribution Requirements...................................
Model Number Description........................................
Air Distribution Components.....................................
Warranty Information....................................
Shipment of Unit.......................................................
Step 1: Locating The Unit.........................................
Step 2: Cutting Return Air Opening..........................
Step 4: Setting The Unit............................................
Step 5: Connecting Refrigerant Lines.......................
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) 672-2991/FAX (905) 672-2883
7/09
Step 7: Wiring The Unit.........................................
2
2
2
Sequence Of Operation........................................
2
Prior To Start-Up...................................................
3
System Start-Up & Adjustments...........................
Back Page
Charging Cooling Only Systems...........................
5
6
Before Each Cooling Season................................
8
If System Fails To Operate....................................
9
11
Troubleshooting Guide..........................................
Service/Troubleshooting Form..............................
11
Parts List...............................................................
12
ESPG2-709
W30-WG0482-01
12
14
18
18
18
18
19
20
20
21-25
26
27
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Table of Contents
Troubleshooting
Related Manuals for Space Pak ESP-G SYSTEM
Summary of Contents for Space Pak ESP-G SYSTEM
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Page 1: Table Of Contents
ESPG2-709 W30-WG0482-01 MODEL ESP-G SYSTEM INSTALLATION, OPERATION & MAINTENANCE MANUAL Central Air Conditioning Series 2 to 5 Tons Fan Coil Unit/Air Supply Components SECTION 1: INTRODUCTION Step 7: Wiring The Unit......... SpacePak System Design........Step 8: Installing Air Distribution Components.. -
Page 2: Spacepak System Design
Section 1: INTRODUCTION CODE COMPLIANCE The following terms are used throughout this Fan coil unit installation must conform to the require- manual to bring attention to the presence of potential ments of the local authority having jurisdiction or, in the hazards or to important information concerning the absence of such requirements, to the National Board of product:... -
Page 3: Air Distribution Components
RETURN AIR BOX (SPC-1D, AC-RBF-3, SPC-3D): plates (incl. spring clips & screws), winter supply air Each includes filter grill with metal frame, permanent shut-offs and a balancing orifice set to complete filter, and 2 clamp bands. SPC-1D is for ESP-2430G. installation of room outlets. - Page 4 The fan coil unit is designed to operate with a total exter- Plenum Duct nal static pressure of 1.5 inches of water column (mini- The plenum duct can be run in practically any location accessible for the attachment of the supply tubing (see mum 1.2 - maximum 1.5).
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Page 5: Shipment Of Unit
UNIT NO. 1 FAN COIL UNIT NO MORE THAN ROOM TERMINATOR MINIMUM 24" 60% OF CAPACITY ON ONE SIDE FIGURE 1.4: TERMINATOR IN SOFFIT AREA UNIT NO. 2 FAN COIL UNIT MINIMUM 24" 30% MAX. OF CAPACITY ROOM TERMINATOR SUPPLY TUBING FIGURE 1.3: ESP-3642/4860G INSTALLATIONS The larger system capacities (ESP-3642/4860G) are... -
Page 6: Section 2: System Installation
SECTION 2: SYSTEM INSTALLATION NOTICE: Before proceeding with the installation, we The fan coil unit is shipped in a horizontal air flow recommend reading through this section of the arrangement, but can be easily field-converted to a manual for an overall understanding of the air vertical air flow arrangement as detailed on page 9 and conditioning fan coil unit and air distribution system Figures 2.8 and 2.9. - Page 7 FIGURE 2.3: CONNECTION LOCATIONS AND ASSEMBLED PLENUM ADAPTOR DIMENSIONS SUPPLY AIR OUTLET (ALTERNATE LOCATION) CLAMP BAND FLEXIBLE RETURN DUCT (90 BEND) SPACEPAK FAN COIL UNIT CLAMP BAND 48" MIN. SUPPLY AIR OUTLET PLATFORM (FIELD ERECTED RETURN AIR BOX AS SHOWN IN STEP 4) WITH GRILL &...
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Page 8: Step 2: Cutting Return Air Opening
SUPPORT RETURN AIR BOX 90° 14 Ft. MAXIMUM FLEXIBLE RETURN DUCT 2 Ft. SUPPLY SUPPORT MAX. FAN COIL UNIT 90° PLATFORM (FIELD ERECTED AS SHOWN IN STEP 4) FIGURE 2.6: VERTICAL AIR FLOW UNIT INSTALLATION STEP 2: CUTTING RETURN AIR OPENING Select exact location for return air box. -
Page 9: Step 3: Attaching Supply Air Plenum Adaptor
STEP 3: ATTACHING SUPPLY AIR PLENUM ADAPTOR NOTICE: If unit is to be located in the attic and 8b. Shift motor mounting base (and blower housing) installed through ceiling joists, attach supply plenum backtoward coil to second set of mounting lugs on adaptor in attic. - Page 10 FIGURE 2.8 FIGURE 2.9...
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Page 11: Step 4: Setting The Unit
STEP 4: SETTING THE UNIT For installations with a return air box and return air duct, Construct a platform for the fan coil unit, as shown in set fan coil unit on the platform with the elliptical opening Figure 2.10. The platform can be constructed of 2x4 facing in the direction of the return air box. -
Page 12: Step 6: Installing The Condensate Trap & Line
STEP 6: INSTALLING THE CONDENSATE TRAP & LINE NOTICE: It is a requirement of the International NOTICE: The secondary drain connection requires Mechanical Code (307.2.3) to install a secondary drain field supplied components to complete installation. or an auxiliary drain pan where damage to any building Follow local code requirements. - Page 13 FIGURE 2.13: WIRING DIAGRAM...
- Page 14 SpacePak G Series Control Dip Switch Settings SpacePak G Series Control Variable Time Delay Settings Fan On Delay for Water Coil Heat Demands Adjustable from 0 - 2 Minutes Fan Off Delay for ALL Heating and Cooling Cycles Adjustable from Cooling Water Coil Settings Heating Water Coil Settings 0 - 2 Minutes...
- Page 15 FIGURE 2.19: TERMINATOR MEASUREMENTS SOUND ATTENUATING TUBE 4" DIA. 5" DRY WALL OR PLASTER 5" THIS RADIUS TOO SHORT Assemble spring clips to terminator plate with screws provided in installation kit. Tighten clips until they are TERMINATOR close to the thickness of the material they are being mounted to.
- Page 16 Supply Tubing Installation After attaching the supply tubing to the sound attenuating Kwik-connects and balancing orifices are provided in the tube, bring the open end of the tube to the plenum. Installation Kits. Plenum take-offs, gaskets and fasteners To cut a hole in the plenum, refer to duct installation are supplied in the separate plenum take-off kit.
- Page 17 GASKET GASKET PLENUM PLENUM TAKE-OFF PLENUM TAKE-OFF PLENUM FASTENER FASTENER 1. HAND INSERT FASTENER INTO PLENUM TAKE-OFF 2. WITH PLIERS, SNAP FASTENER INTO PLACE UNTIL IT LOCKS IN PLACE FIGURE 2.26: PLENUM TAKE-OFF FASTENER INSTALLATION In accordance with your calculations as to requirements Remove the grill and the filter from the grill frame.
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Page 18: Section 3: Start Up & Operation
SECTION 3: START-UP & OPERATION SEQUENCE OF OPERATION 4. Check that system static pressure is within acceptable When power is turned on and thermostat fan switch is limits (minimum 1.2" W.C. - maximum 1.5" W.C.). Static readings must be taken in the plenum a minimum of 18" set to ON and the cooling indicator is set to OFF, the indoor fan motor is energized in approximately 2 minutes. -
Page 19: Factors Affecting The Balance Of The System
1. Check refrigerant charge by measuring liquid subcooling. 3. If subcooling is too high, slowly bleed refrigerant from Subcooling should be approximately 10°F to 13°F. If a suction line service port into an appropriate refrigerant sight glass has been installed on the liquid line at the fan recovery device. -
Page 20: Section 4: Maintenance
SECTION 4: MAINTENANCE The SpacePak system has been designed to provide 3. Check that unit condensate drain is clear and free years of trouble-free performance in normal installations. running, and plug is in cleanout. Examination by the homeowner at the beginning of each cooling season, and in mid-season should assure 4. -
Page 21: Troubleshooting Guide
TROUBLESHOOTING GUIDE CONDITION: ESP-G & CONDENSING UNITS RUN, BUT COOLING INSUFFICIENT POSSIBLE CAUSE VERIFICATION SOLUTION Low Suction Pressure Check blower motor as described on If defective, replace motor. page 25 in this manual. Check that filter in return air box is Clean air filter. - Page 22 CONDITION: ESP-G UNIT & CONDENSING UNIT WILL NOT START POSSIBLE CAUSE VERIFICATION SOLUTION Thermostat Not Level Check level of thermostat If necessary, level thermostat. Defective Thermostat With volt meter, check resistance of If resistance, thermostat is O.K. thermostat contacts. If no resistance, replace thermostat. Loose Low Voltage Wiring Check all wiring connections for Tighten all loose connections.
- Page 23 CONDITION: ESP-G UNIT WILL NOT START, BUT CONDENSING UNIT CYCLES POSSIBLE CAUSE VERIFICATION SOLUTION Incorrect Low Voltage Connections Check low voltage connections Correct low voltage connections. against wiring diagram. Loose Low Voltage Connections Check all wiring connections for Tighten all loose connections. tightness.
- Page 24 CONDITION: SWEATING AT ESP-G UNIT SUPPLY OUTLET POSSIBLE CAUSE VERIFICATION SOLUTION Air Leak At Supply Air Plenum Check taped joint at adaptor. Tape joint properly. Adaptor Insulation at Outlet Not Installed Check for insulation at outlet. Install insulation. CONDITION: EXCESSIVE NOISE AT TERMINATOR POSSIBLE CAUSE VERIFICATION SOLUTION...
- Page 25 CHECKING ESP-G BLOWER MOTOR 2. With a volt meter, check 24v across terminals G and C on the low voltage terminal block. 1. With volt meter, check voltage at terminals L1 and L2 a. If read 24v, proceed to Step 3. on line voltage terminal block.
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Page 26: Service/Troubleshooting Form
Service / Troubleshooting FORM “1A” Customer / Dealer Data: Refrigeration-side Data: Name: Line sizes: Liquid Suction Address: Total equivalent length of lines: Ft; Vertical Rise: @ Condensing Unit: Liquid: psi; Temp: °F; Subcool: °F Tel (day) (eve) Suction: psi; Temp: °F;... -
Page 27: Parts List
REF. PART UNIT PART NO.* DESCRIPTION SIZE NUMBER Anti-Frost Control All Sizes 460RWG0378-01 Primary Drain Pan 2430 W06RWG0220-02 Primary Drain Pan 3642 W06RWG0220-03 Primary Drain Pan 4860 W06RWG0220-04 Coil Assembly R410A 2430 469RWG0379-12 Coil Assembly R410A 3642 469RWG0379-13 Coil Assembly R410A 4860 469RWG0379-14 Expansion Valve (TXV) R410A... - Page 28 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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