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18-EB24D1-19

WCC-IG-19

Installer's Guide

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

Single Packaged Heat Pump, 13 SEER
Convertible, 1

- 5 Ton, R-410A

4WCC3018 through 4WCC3060

4WCX3018 through 4WCX3060

WARNING:

HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCHARGE

CAPACITORS BEFORE SERVICING

Important —

This Document is customer property. Please return to service information pack and give this Installer's Guide to the homeowner

upon completion of work.

Summary of Contents for 18-EB24D1-19

Page 1: ...eat Pump 13 SEER Convertible 1 5 Ton R 410A 4WCC3018 through 4WCC3060 4WCX3018 through 4WCX3060 WARNING HAZARDOUS VOLTAGE DISCONNECT POWER and DISCHARGE CAPACITORS BEFORE SERVICING Important This Document is customer property Please return to service information pack and give this Installer s Guide to the homeowner upon completion of work ...

Page 2: ...ackgrounds of electrical and mechanical experience Any attempttorepairacentralairconditioningproductmayresult inpersonalinjuryand orpropertydamage Themanufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use WARNING SAFETY HAZARD Do not operate the unit without the evaporator fan or coil access panels in place...

Page 3: ...alified service techni cians only This unit is listed by Underwriters Laboratory Model 2 4WC 3 heat pump units are designed for outdoor mounting with a vertical condenser discharge They can be located either at ground level or on a roof in accordance with local codes Each unit contains an operating charge of refrig erant as shipped Extreme mounting kits are available for slab BAYEX MK003A utility ...

Page 4: ... through 4WCC3036 1 of 3 Figures 1 through 12 show the unit critical dimensions Fig ures 1 through 6 show the 4WCC3 clearances and Figures 7 through 12 show the 4WCX3 clearances NOTE The view labeled Bottom Side represents the Base as viewed looking up from underneath the unit ...

Page 5: ...Page 5 Installer s Guide Figure 2 4WCC3018 through 4WCC3036 2 of 3 ...

Page 6: ...Page 6 Installer s Guide Figure 3 4WCC3018 through 4WCC3036 3 of 3 ...

Page 7: ...Page 7 Installer s Guide Figure 4 4WCC3042 through 4WCC3060 1 of 3 NOTE The view labeled Bottom Side represents the Base as viewed looking up from underneath the unit ...

Page 8: ...Page 8 Installer s Guide Figure 5 4WCC3042 through 4WCC3060 2 of 3 ...

Page 9: ...Page 9 Installer s Guide Figure 6 4WCC3042 through 4WCC3060 3 of 3 ...

Page 10: ...Page 10 Installer s Guide Figure 7 4WCX3018 through 4WCX3036 1 of 3 NOTE The view labeled Bottom Side represents the Base as viewed looking up from underneath the unit ...

Page 11: ...Page 11 Installer s Guide Figure 8 4WCX3018 through 2 4WCX3036 2 of 3 ...

Page 12: ...Page 12 Installer s Guide Figure 9 4WCX3018 through 4WCX3036 3 of 3 ...

Page 13: ...Page 13 Installer s Guide Figure 10 4WCX3042 through 4WCX3060 1 of 3 NOTE The view labeled Bottom Side represents the Base as viewed looking up from underneath the unit ...

Page 14: ...Page 14 Installer s Guide Figure 11 4WCX3042 through 4WCX3060 2 of 3 ...

Page 15: ...Page 15 Installer s Guide Figure 12 4WCX3042 through 4WCX3060 3 of 3 ...

Page 16: ...oof Mounting Curb BAYCURB050A or BAYCURB051A or a field fabricated curb should be in place before the unit is hoisted to the roof top The Roof Mounting Curb frame must be installed on a flat level section of the roof maximum of 1 4 per foot pitch and provide a level mounting surface for the unit Also be sure to provide sufficient height above the roof to prevent water from entering the unit 4 Be s...

Page 17: ... flame retardant mate rial Insulate any ductwork outside of the structure with at least two 2 inches of insulation and weatherproof There must be a weather proof seal where the duct enters the structure 5 Do not expose the unit to direct roof water runoff 6 Seal all holes through exterior walls in accordance with local codes 7 Continue with the following installation sections to complete the insta...

Page 18: ...igure 16 inset B on page 20 2 Insert the four lifting lugs in the openings provided in the drip lip on each end of the unit See Figure 16 inset B on page 20 A tap or jerk to the lug will overcome the interference that arises due to the dimple on the lug 3 When hoisting the unit be sure that a proper method of rigging is used Use either the unit s top shipping skid and straps or slings and spreader...

Page 19: ...cts and sleeper rails rather than a curb or frame use the following procedure 1 Locate and secure the sleeper rails to the roof by bolting Three 3 sleeper rails are required One on each end to support the edges of the unit and one across the center of the unit The cen ter rail must run inside both drip lips Vibration isolators should be installed as indicated on Figure 15 adjust as necessary for y...

Page 20: ...sible for the unauthorized use of this drawing and expressly disclaims any liability for damages resulting from such unauthorized use Gasket Seal Spreader Bars Base of unit rest on top of curb rails Drip lip on perimeter of unit Top shipping skid attached to unit IMPORTANT To prevent damage to the sides and top of the unit when hoisting retain the top shipping skid on the unit or use spreader bars...

Page 21: ...orizontal Airflow Application with Frame Supply Air Return Air Roof Flashing Channel Iron Center Support Center Sup port required on all Frame Applications Angle Iron Frame Roof Flashing Return Air Angle Iron Frame Roof Flashing Supply Air Channel Iron Center Support Center Support required on all Frame Applications ...

Page 22: ...ust be run and attached to the curb before the unit is set into place Attaching Downflow Ductwork to Roof Frame Follow these guidelines for ductwork construction Connections to the unit should be made with three 3 inch canvas connectors to minimize noise and vibration transmission Elbows with turning vanes or splitters are recommended to minimize air noise and resistance The first elbow in the duc...

Page 23: ... box Provide strain relief for all conduit with suitable connectors Provide flexible conduit supports whenever vibration transmission may cause a noise problem within the building structure 1 Remove the Control Heat access panel Pass the power wires through the Power Entry hole in the end of the unit See Figure 23 2 Connect the high voltage wires to the appropriate contactor terminals Single phase...

Page 24: ...TDOOR THERMOSTAT ACCESSORY CONNECTIONS FIG 1 SINGLE POWER ENTRY ACCESSORY CONNECTIONS FIG 2 ECONOMIZER ACCESSORY CONNECTIONS GROUND WIRE SEE SPEK INSTALLER S GUIDE FOR ALL OTHER EXAMPLES Figure 26 4WC 3 Field Wiring Diagram NOTES 1 FUSED DISCONNECT SIZE POWER WIRING AND GROUNDING OF EQUIPMENT MUST COMPLY WITH CODES 2 BE SURE POWER SUPPLY AGREES WITH EQUIP MENT AND HEATER NAMEPLATE 3 LOW VOLTAGE WI...

Page 25: ...turn free without rubbing and are they tight on the shafts Has all work been done in accordance with applicable local and national codes Are all covers and access panels in place to prevent air loss and safety hazards CAUTION Before starting the system on the cooling cycle turn the ther mostat switch to OFF and close the unit disconnect switch This is a precaution against foaming at startup which ...

Page 26: ...the indoor thermostat and to the supplementary heater control circuit Note that the fan relay F must have been energized An outdoor thermostat may have been added to disallow the second stage if provided of electric heat above a selected outdoor temperature If the outdoor temperature falls below the setting on the outdoor thermostat this additional heater stage will come on When the outdoor air te...

Page 27: ...covers and panels in place and properly fastened Has the owner been instructed on the proper operation and maintenance of the unit Be sure to leave this manual with the owner Owner Maintenance Some of the periodic maintenance functions of the unit can be performed by the owner this includes replacing the disposable or cleaning the permanent air filters cleaning the unit cabinet cleaning the conden...

Page 28: ...he serial number model number and installation date for each product being registered Your dealer may have included these on your invoice or can provide a list for you to use Please take a few moments to record the following information to ensure your product registration process is quick and easy Packaged Unit Serial Number_____________________________________________________ Packaged Unit Model ...

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