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RT-SVX33E-EN

7

General Information

Unit Inspection

As soon as the unit arrives at the job site:

Verify that the nameplate data matches the data on the 
sales order and bill of lading (including electrical data).

Verify that the power supply complies with the unit 
nameplate specifications.

Visually inspect the exterior of the unit, including the 
roof, for signs of shipping damage.

Visually inspect the internal components for shipping 
damage as soon as possible after delivery and before 
it is stored. Do not walk on the sheet metal base pans.

If concealed damage is discovered, notify the carrier’s 
terminal of damage immediately by phone and by 
mail. Concealed damage must be reported within 15 
days.

Request an immediate joint inspection of the damage 
by the carrier and the consignee. Do not remove 
damaged material from the receiving location. Take 
photos of the damage, if possible. The owner must 
provide reasonable evidence that the damage did not 
occur after delivery.

Notify the appropriate sales representative before 
installing or repairing a damaged unit. 

Precautionary Measures

Avoid breathing fiberglass dust.

Use a NIOSH approved dust/mist respirator.

Avoid contact with the skin or eyes. Wear long-sleeved, 
loose-fitting clothing, gloves, and eye protection.

Wash clothes separately from other clothing: rinse 
washer thoroughly.

Operations such as sawing, blowing, tear-out, and 
spraying may generate fiber concentrations requiring 
additional respiratory protection. Use the appropriate 
NIOSH approved respiration in these situations.

First Aid Measures

Eye Contact - Flush eyes with water to remove dust. If 
symptoms persist, seek medical attention.

Skin Contact - Wash affected areas gently with soap 
and warm water after handling.

Storage

Take precautions to prevent condensate from forming 
inside the unit’s electrical compartments and motors if:

15. The unit is stored before it is installed; or,

16. The unit is set on the roof curb, and temporary heat is 

provided in the building. Isolate all side panel service 
entrances and base pan openings (e.g., conduit holes, 
S/A and R/A openings, and flue openings) from the 
ambient air until the unit is ready for start-up.

Note:

Do not use the unit’s heater for temporary heat 
without first completing the start-up procedure 
detailed under 

“Start Up,” p. 33

.

The manufacturer will not assume any responsibility for 
equipment damage resulting from condensate 
accumulation on the unit’s electrical and/or mechanical 
components.

Unit Clearances

Figure 1, p. 11

 illustrates the minimum operating and 

service clearances for either a single or multiple unit 
installation. These clearances are the minimum distances 
necessary to assure adequate serviceability, cataloged 
unit capacity, and peak operating efficiency.

Providing less than the recommended clearances may 
result in condenser coil starvation, “short-circuiting” of 
exhaust and economizer airflows, or recirculation of hot 
condenser air.

Unit Description

Before shipment, each unit is leak tested, dehydrated, 
charged with refrigerant and compressor oil, and run 
tested for proper control operation.

The condenser coils are aluminum fin, mechanically 
bonded to copper tubing.

Direct-drive, vertical discharge condenser fans are 
provided with built-in thermal overload protection.

The ReliaTel™ Control Module is a microelectronic control 
system that is referred to as “Refrigeration Module” 
(RTRM). The acronym RTRM is used extensively 
throughout this document when referring to the control 
system network.

This module through Proportional/Integral control 
algorithms perform specific unit functions that governs 
unit operation in response to; zone temperature, supply air 

WARNING

Fiberglass Wool! 

Product contains fiberglass wool. Disturbing the 
insulation in this product during installation, 
maintenance or repair will expose you to airborne 
particles of glass wool fibers and ceramic fibers known 
to the state of California to cause cancer through 
inhalation. You MUST wear all necessary Personal 
Protective Equipment (PPE) including gloves, eye 
protection, mask, long sleeves and pants when working 
with products containing fiberglass wool. Exposition to 
glass wool fibers without all necessary PPE equipment 
could result in cancer, respiratory, skin or eye irritation, 
which could result in death or serious injury. 

Summary of Contents for Voyager WS 150-24

Page 1: ...nd training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature...

Page 2: ...ate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTIONs Indicates a poten...

Page 3: ...lowing the instructions the risk of improper operation and or component damage will be minimized It is important that periodic maintenance be performed to help assure trouble free operation A maintena...

Page 4: ...er FIYUCB Unit Disconnect FIYUDC 26 Powered Unpowered Convenience Outlet 27 Return Air Smoke Detector 28 Pre Start 31 Start Up 33 Maintenance 35 Troubleshooting 38 ReliaTel Controls 38 System Status C...

Page 5: ...Filters2 E Hinged Access MERV 13 Filters2 Digit 17 Condenser Coil Protection 0 Standard Coil 1 Standard Coil With Hail Guard 2 Black Epoxy Pre Coated Coil 3 Black Epoxy Pre Coated Coil with Hail Guar...

Page 6: ...mutually exclusive of each other 5 Must be ordered with Through the Base Electrical option or Horizontal Side Access and either Unit Mounted Disconnect or Circuit Breaker 6 ReliaTel Options Module is...

Page 7: ...s e g conduit holes S A and R A openings and flue openings from the ambient air until the unit is ready for start up Note Do not use the unit s heater for temporary heat without first completing the s...

Page 8: ...a zone sensor or thermostat input in order to operate the unit The flexibility of having several mode capabilitiesdepends uponthe type ofzone sensor or thermostat selected to interface with the RTRM...

Page 9: ...l Dual Circuit Only Lead Lag is a selectable input located on the RTRM The RTRM is configured from the factory with the Lead Lag control disabled To activate the Lead Lag function simply cut the wire...

Page 10: ...e sensing uncovered Wiring procedures vary according to the particular application and equipment involved Refer to the unit s wiring diagrams for proper connections Remote Zone Sensor BAYSENS075 This...

Page 11: ...RT SVX33E EN 11 Unit Dimensions Figure 1 Typical installation clearances for single multiple unit applications WITHOUT ECONOMIZER 5 8 WITH ECONOMIZER 5 0...

Page 12: ...15 16 1 2 11 16 56 48 1 2 6 13 16 122 5 16 85 5 16 54 13 16 SINGLE POINT POWER ENTRY 3 76MM DIA HOLE UNIT POWER WIRE 7 8 22 23MM DIA HOLE UNIT CONTROL WIRE FILTER ACCESS DOOR HORIZONTAL SERVICE GAUGE...

Page 13: ...ure 5 Heat pump models 12 15 tons Duct flanges mount 7 7 16 down inside the curb on the 1 1 curb flanges Roofcurb is intended for downflow use only All dimensions are in inches millimeters 9 1 25 4 MM...

Page 14: ...16 1 2 11 16 56 48 1 2 6 13 16 122 5 16 85 5 16 64 1 8 13 16 SINGLE POINT POWER ENTRY 3 76MM DIA HOLE UNIT POWER WIRE 7 8 22 23MM DIA HOLE UNIT CONTROL WIRE FILTER ACCESS DOOR HORIZONTAL SERVICE GAUG...

Page 15: ...ure 10 Heat pump models 20 tons Duct flanges mount 7 7 16 down inside the curb on the 1 1 curb flanges Roofcurb is intended for downflow use only All dimensions are in inches millimeters 9 1 25 4 MM C...

Page 16: ...ccess panel swing clearances SWING RADIUS C OD SECTION ACCESS PANEL THROUGH THE BASE ELECTRICAL SWING RADIUS A ID SECTION ACCESS PANEL TOP VIEW SHOWING THROUGH THE BASE ELECTRICAL UTILITY LOCATIONS AN...

Page 17: ...56 36 WS 155 1982 634 515 377 456 56 36 WS 180 1982 634 515 377 456 56 36 WS 200 2107 674 485 400 590 57 35 WS 240 2107 674 485 400 590 57 35 Note Corner weights are given for information only Unit is...

Page 18: ...perimeter flange and the supply and return air opening flanges General Unit Requirements The checklist listed below is a summary of the steps required to successfully install a commercial unit This ch...

Page 19: ...nd protected power supply wiring to a field supplied installed disconnect switch and to the main power terminal block HTB1 in the unit control panel Install proper grounding wires to an earth ground N...

Page 20: ...nfused disconnect switch UDC or circuit breaker UCB 2 Provide proper grounding for the unit in accordance with local and national codes Field Installed Control Wiring An overall layout of the various...

Page 21: ...al to the unit Note Resistance in excess of 2 5 ohms per conductor can cause deviations in the accuracy of the controls 2 Ensure that the wiring between controls and the unit s termination point does...

Page 22: ...ypical field wiring diagrams for optional controls ReliaTel only BAYSENS119 BAYSENS075 BAYSENS075 BAYSENS075 BAYSENS107 ASYSTAT666 ASYSTAT669 BAYSTAT023 BAYSENS073 BAYSENS109 ASYSTAT669 ASYSTAT669 BAY...

Page 23: ...ample 1 illustrates two series circuits with two sensors in each circuit wired in parallel The square of any number of remote sensors is required Example 2 illustratesthreesensorssquaredinaseries para...

Page 24: ...ckly determined and corrected before starting the unit by using an instrument such as an Associated Research Model 45 Phase Sequence Indicator and following the steps below Turn the field supplied dis...

Page 25: ...ne of the following Test procedure to bypass some time delays and to start the unit at the control panel Each step of unit operation can be activated individually by temporarily shorting across the Te...

Page 26: ...found on the unit nameplate and the N E C 4 Route low voltage class II control wiring through hole in base of unit but not through high voltage conduit Feedcontrolwiringthroughbushingprovided on side...

Page 27: ...r including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized Verify with a...

Page 28: ...ned above proceed with the installation of the return air smoke detector as follows 1 Remove the smoke detector assembly from its shipping position in the indoor fan compartment This assembly is attac...

Page 29: ...l be necessary to remove the barometric relief filter open the barometric relief damper and reach inside through the barometric relief outlet to access and connect the copper exhaust elbow to the smok...

Page 30: ...te adherence to the maintenance procedures including recommended intervals between filter changes and coil cleaning is required Periodic checks and maintenance procedures must be performed on the smok...

Page 31: ...t a time when a jumper is installed across the test terminals The unit will start the first test step and change to the next step every 30 seconds At the end of the test mode control of the unit will...

Page 32: ...n the unit Service Facts plot the actual RPM step 1 and the BHP step 2a to obtain the operating CFM 3 If the required CFM is too low external static pressure is high causing motor HP output to be belo...

Page 33: ...ompressor is phased correctly the suction pressure should drop and the discharge pressure should rise when the compressor starts and runs If a scroll compressor is rotating backwards it will not pump...

Page 34: ...isconnect switch to the Off position or proceed to the next component start up procedure Final System Setup After completing all of the pre start and start up procedures outlined in the previous secti...

Page 35: ...d to give the needed deflection 6 Compare the force scale reading Step 5 with the appropriate force value listed in Table 10 p 35 If the force reading is outside the range readjust the belt tension No...

Page 36: ...ose access panels leaking piping connections etc Make sure that all retaining screws are reinstalled in the unit access panels once these checks are complete With the unit running check and record the...

Page 37: ...ested below in the blanks provided 1 Complete Unit Model Number _____________________________________________________ __________________ 2 Unit Serial Number __________________________________________...

Page 38: ...in verifying proper operation Make the necessary repairs and proceed to Steps 7 and 8 7 If no abnormal operating conditions appear in the test mode exit the test mode by turning the power Off at the...

Page 39: ...oximately 0 75 Vdc Heating Failure voltage alternates between 32 Vdc 0 75 Vdc Cool Failure Measure the voltage between terminals J6 8 J6 6 Cool Operating approximately 32 Vdc Cool Off less than 1 Vdc...

Page 40: ...e Sensor Below are some typical indoor temperatures and corresponding resistive values Test 2 Cooling Set Point CSP and Heating Set Point HSP The resistance of these potentiometers are measured betwee...

Page 41: ...operation only The economizer and condenser fan cycling functions are disabled 1 Open and Lock the unit disconnect switch 2 Remove the Outside Air Sensor OAS from the condenser section of unit 3 Use...

Page 42: ...al Not OK to Economize Fast Flash 1 2 Second On 2 Seconds Off Error Code Communications Failure Pulse Flash 2 Second On 1 2 Second Off Error Code 1 Flash Actuator Fault 2 Flashes CO2 Sensor 3 Flashes...

Page 43: ...nnections 208 230 2313 1507 WS 150 240 60HZ Heat Pump with or without Dehumidification 460 575 2313 1508 WS 150 240 60HZ Heat Pump with or without Dehumidification Note Downflow and horizontal airflow...

Page 44: ...l furnish without charge the required replacement compressor Warrantor s obligations and liabilities under this warranty are limited to furnishing F O B Warrantor factory or warehouse replacement part...

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