Space Pak ESP-G SYSTEM Installation, Operation & Maintenance Manual Download Page 24

24

POSSIBLE CAUSE

VERIFICATION

SOLUTION

High Supply Air Plenum Static

Check static pressure as described 

Check for and add flow restrictors 

Pressure

on page 25 in this manual.

as necessary in supply runs.

If necessary, add additional outlets.

Sound Attenuating Tube Not

Check for installation of sound

Where necessary, install sound

Installed

attenuating tube.

attenuating tube.

Tight Radius In Sound Attenuating

Check all tubing for tight radius. 

Where necessary, correct radius.

Tube Or In Supply Tubing

Incorrect Supply Tubing Length

Check that all supply tubing runs 

Where necessary, correct supply

are 9’ minimum (includes 3 ft  

tubing length.

sound atten. tube).

Improperly Balanced System

Check that correct size orifices 

Properly orifice supply tubing runs.

have been installed.

CONDITION: EXCESSIVE NOISE AT TERMINATOR

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: SWEATING AT ESP-G UNIT SUPPLY OUTLET

POSSIBLE CAUSE

VERIFICATION

SOLUTION

Noisy Blower Motor Assembly

Check blower motor assembly.

Tighten all fasteners.

Check blower motor for bearing

Replace motor.

noise.

Check for loose or damaged blower

Tighten or replace blower wheel 

wheel.

as necessary.

CONDITION: EXCESSIVE VIBRATION AT ESP-G UNIT

POSSIBLE CAUSE

VERIFICATION

SOLUTION

Return Air Duct Not Installed

Check for minimum 90˚ bend in

Correct bend in return air duct

Properly

return air duct.

to minimum 90˚.

Dirty Return Air Filter

Remove and inspect.

Clean or replace air filter.

CONDITION: EXCESSIVE NOISE AT RETURN AIR GRILL

Summary of Contents for ESP-G SYSTEM

Page 1: ...bution Components SECTION 3 START UP OPERATION Sequence Of Operation Prior To Start Up System Start Up Adjustments Charging Cooling Only Systems Factors Affecting the Balance of the System SECTION 4 M...

Page 2: ...OMPONENT REQUIREMENTS Air distribution components installation must conform to the requirements of local authority having jurisdiction or in the absence of such requirements to the National Fire Prote...

Page 3: ...LATION KITS Contains a specified amount of sound attenuating tubes kwik connects terminator plates incl spring clips screws winter supply air shut offs and a balancing orifice set to complete installa...

Page 4: ...OIL UNIT PLENUM FAN COIL UNIT PLENUM FAN COIL UNIT PLENUM FAN COIL UNIT FAN COIL UNIT FIGURE 1 2 PLENUM TUBING LAYOUT EXAMPLES FOR GUIDANCE ONLY The fan coil unit is designed to operate with a total e...

Page 5: ...wall for horizontal discharge Installation of horizontally discharged terminators is assisted with the SpacePak 90 wall elbow see page 15 Two excellent spots for horizontal discharge are in the soffi...

Page 6: ...ng with the installation we recommend reading through this section of the manual for an overall understanding of the air conditioning fan coil unit and air distribution system component installation p...

Page 7: ...UPPLY AIR OUTLET ALTERNATE LOCATION SUPPLY AIR OUTLET FIGURE 2 4 TYPICAL UNIT INSTALLATION 14 Ft MAXIMUM FLEXIBLE RETURN DUCT FAN COIL UNIT SUPPORT RETURN AIR BOX 90 90 2 Ft MAX PLATFORM FIELD ERECTED...

Page 8: ...M FLEXIBLE RETURN DUCT FAN COIL UNIT SUPPORT SUPPORT RETURN AIR BOX 90 90 2 Ft MAX PLATFORM FIELD ERECTED AS SHOWN IN STEP 4 SUPPLY AIR FIGURE 2 6 VERTICAL AIR FLOW UNIT INSTALLATION Select exact loca...

Page 9: ...r Steps 8b to 18 8b Shift motor mounting base and blower housing backtoward coil to second set of mounting lugs on motor support channel Rotate blower housing up 90 Reattach base with screws 9 Cut ins...

Page 10: ...10 FIGURE 2 9 FIGURE 2 8...

Page 11: ...secure the unit to the platform as the weight of the unit will hold it in position STEP 5 CONNECTING REFRIGERANT LINES Connect refrigerant lines from the outdoor condensing unit to the fan coil unit...

Page 12: ...on 1 of this manual Wiring diagram is provided in Figure 2 13 A separate 208 230 60 1 power supply is recommended for the unit Use standard 15 amp fuse and 16 gauge wire from power supply to unit Conn...

Page 13: ...FIGURE 2 13 WIRING DIAGRAM 13...

Page 14: ...SpacePak G Series Control Variable Time Delay Settings 0 2 Fan Off Delay for ALL Heating and Cooling Cycles Adjustable from 0 2 Minutes 0 2 1 2 3 4 5 6 SpacePak G Series Control Indicator LEDs Power I...

Page 15: ...pieces together and twisting until tight see Figure 2 20 If the terminator is to be used in a floor location then field fabricate a small screen 11 2 square 1 4 x 1 4 20 gauge galvanized wire screen a...

Page 16: ...er wherever possible hold to a larger radius At the plenum all supply tubing connections must be a minimum of 18 from any plenum tee plenum elbow or the fan coil unit Individual supply tubing runs mus...

Page 17: ...TER GRILL FIGURE 2 28 RETURN AIR BOX INSTALLATION Remove the grill and the filter from the grill frame Insert the frame into the box and mount in place with the screws provided through a hole at each...

Page 18: ...W C maximum 1 5 W C Static readings must be taken in the plenum a minimum of 18 from the fan coil unit plenum tees or elbows but before any supply run a If greater than 1 5 W C add additional supply r...

Page 19: ...s Any outlet having an orifice would be only a percentage of an outlet 2 For systems with average supply tubing lengths of 15 feet or less use column A For systems with supply tubing lengths greater t...

Page 20: ...ecessary b Replace service access panels and turn on unit power disconnect switch SECTION 4 MAINTENANCE 3 Check that unit condensate drain is clear and free running and plug is in cleanout 4 For outdo...

Page 21: ...re Check system refrigerant charge Charge to proper subcooling according to condensing unit manufacturer s instructions Check calculated heat gain to be sure Take necessary action that equipment is si...

Page 22: ...igh Voltage Wiring Check all wiring connections for Tighten all loose connections tightness Defective Blower Motor Check motor as described on page 25 If defective replace motor in this manual CONDITI...

Page 23: ...NDITION ESP G UNIT CYCLES BUT CONDENSING UNIT RUNS POSSIBLE CAUSE VERIFICATION SOLUTION Flash Code 2 Flashes With volt meter check for 24v at If no voltage check coil for ice Anti Frost Switch termina...

Page 24: ...rifice supply tubing runs have been installed CONDITION EXCESSIVE NOISE AT TERMINATOR POSSIBLE CAUSE VERIFICATION SOLUTION Air Leak At Supply Air Plenum Check taped joint at adaptor Tape joint properl...

Page 25: ...SP G BLOWER The ESP G unit is equipped with a time delayed blower Wait two full minutes after turning on power for blower to start 1 With a volt meter check 24v across terminals R and C on the low vol...

Page 26: ...f coil WG SpacePak Motor Amps measured Amps Voltage measured Volts Air Temperatures Return indoor ambient FDB FWB Condensing unit outdoor ambient F AHU read 3 ft from fan discharge F last supply outle...

Page 27: ...pansion Valve TXV R410A 2430 W28RWG0242 12 4 Expansion Valve TXV R410A 3642 W28RWG0242 13 Expansion Valve TXV R410A 4860 W28RWG0242 14 5 Transformer All Sizes W14RWG0061 01 Motor 2430 27 3236 6 Motor...

Page 28: ...nship of the installer of the Product This limited warranty is conditional upon a shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned with prior...

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