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Maintenance

RT-SVX38B-EN

37

Final Process

For future reference, you may find it helpful to record the
unit data requested in the blanks provided.

Complete Model Number

Unit Serial Number

Wiring Diagram Numbers (from unit control panel)

Schematics

Connections

Table 11.

Sample maintenance log

Refrigerant Circuit #1

Refrigerant Circuit #2

Date

Current
Ambient
Temp. F/C

Compr.
Oil Level

Suct.
Press.
Psig/
kPa

Disch.
Press.
Psig/
kPa

Liquid
Press.
Psig/
kPa

Super
-heat
F/C

Sub-
cool.
F/C

Compr.
Oil
Level

Suct.
Press.
Psig/kPa

Disch.
Press.
Psig/
kPa

Liquid
Press.
Psig/
kPa

Super-
heat
F/C

Sub-
cool.
F/C

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

- ok
- low

Note:

Check and record the data requested above each month during the cooling season with the unit running

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Содержание YSC060ED

Страница 1: ...ning 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 and on...

Страница 2: ...sponsible management of refrigerants Know the applicable laws and follow them Revision Summary RT SVX38B EN 10 September 2012 MERV 8 filter with filter removal tool Stainless steel drain pan condensat...

Страница 3: ...29 Voltage Imbalance 29 Electrical Phasing Three Phase Motors 29 Test Modes 31 Unit Start Up 32 Verifying Proper Air Flow 32 Economizer Start Up 32 Compressor Start Up 33 Final System Setup 33 Mainte...

Страница 4: ...ed Condenser Coil25 3 Black Epoxy Pre Coated Condenser Coil with Hail Guard25 4 CompleteCoat Condenser Coil 5 CompleteCoat Condenser Coil with Hail Guard Digit 18 Through the Base Provisions 0 NoThrou...

Страница 5: ...ntrols 15 This option is used when ordering Novar Controls 16 Includes gas piping and shutoff field assembly required 17 Not available with high temperature duct sensor accessory 18 Digit 15 2 19 Nova...

Страница 6: ...ertinent unit data Compressor Nameplate The nameplate for the compressors are located on the side of the compressor Unit Description Before shipment each unit is leak tested dehydrated charged with re...

Страница 7: ...is sent to the remote panel if the pressure differential across the filters is at least 0 5 w c The contacts will automatically open when the pressure differential across the filters decreases to appr...

Страница 8: ...ming per day If the power is interrupted the program is retained in permanent memory If power is off for an extended period of time only the clock and day may have to be reset The Zone Sensor allows s...

Страница 9: ...orporates the Frostat control FOS mounted in the indoor coil circuit and can be activated by closing a field supplied contact installed in parallel with the FOS If this circuit is open before the comp...

Страница 10: ...stances 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 c...

Страница 11: ...ons standard efficiency Notes 1 All dimensions are in inches millimeters 2 NPT Gas Connection Figure 3 5 tons standard efficiency roof curb Note All dimensions are in inches millimeters 7 44 44 MM MM...

Страница 12: ...38B EN Figure 4 5 tons standard efficiency unit clearance and roof opening Note All dimensions are in inches millimeters CLEARANCE 36 914 MM Figure 5 6 7 tons standard efficiency Note All dimensions a...

Страница 13: ...13 Figure 6 6 7 tons standard efficiency roof curb Note All dimensions are in inches millimeters 2130 MM 356 MM Figure 7 6 7 tons standard efficiency unit clearance and roof opening Note All dimensio...

Страница 14: ...38B EN Figure 8 8 10 tons standard efficiency Note All dimensions are in inches millimeters 1 2 NPT GAS CONNECTION Figure 9 8 10 tons standard efficiency roof curb Note All dimensions are in inches mi...

Страница 15: ...Unit Dimensions RT SVX38B EN 15 Figure 10 8 10 tons standard efficiency unit clearance and roof opening Note All dimensions are in inches millimeters...

Страница 16: ...to the state of California to cause cancer through inhalation Glass wool fibers may also cause respiratory skin or eye irritation WARNING Heavy Objects Ensure that all the lifting equipment used is p...

Страница 17: ...Width 5 YSC060E 689 312 584 264 181 82 144 65 122 55 137 62 40 1025 24 600 6 YSC072E 975 443 843 383 296 134 209 95 158 72 180 82 39 980 21 542 7 YSC090E 1016 461 884 401 346 157 198 90 159 72 181 82...

Страница 18: ...ld be weather proofed after installation is completed Roof Curb Downflow The roof curbs for these units consists of a full perimeter enclosure to support the unit just inside of the unit base rail Bef...

Страница 19: ...drill screws fastening wood protection to metal base rail Remove all screws securing wooden protection to wooden top crate On 7 10 ton high efficiency units remove wire ties from outdoor grill 2 Remo...

Страница 20: ...h is attached to the combustion blower motor if horizontal discharge configuration is used Note The following units require a limit switch change out for horizontal discharge The additional limit swit...

Страница 21: ...lling screws or screws removed from duct cover screw through dimples to attach DUCT COVER to base 4 On original RETURN DUCT COVER apply 6mm continuous bead of 500 F RTV sealant around flange opposite...

Страница 22: ...provided on each unit Refer to Figure 13 p 18 and Figure 14 p 18 for the appropriate drain location The condensate drain pan is factory installed to drain condensate to the back side of the unit See...

Страница 23: ...the field installed wiring entrance into the unit is illustrated in Unit Dimensions p 10 To insure that the unit s supply power wiring is properly sized and installed follow the following guidelines...

Страница 24: ...t failure due to insufficient AC voltage supply Note Be sure to check all loads and conductors for grounds shorts and mis wiring 3 Do not run the AC low voltage wiring in the same conduit with the hig...

Страница 25: ...g a number of remote sensors in a series parallel circuit Using the BAYSENS016 or BAYSENS077 at least four sensors are required to accomplish space temperature averaging See diagram below Table 5 Zone...

Страница 26: ...of remote sensors is required Example 2 illustrates three sensors squared in a series parallel circuit Using BAYSENS077 two sensors are required to accomplish space temperature averaging Example 3 il...

Страница 27: ...38B EN 27 Figure 29 Typical field wiring diagrams for optional controls ReliaTel only BAYSENS075 BAYSENS075 BAYSENS119 BAYSENS110 BAYSENS108 BAYSENS106 BAYSENS073 BAYSENS074 BAYSENS075 ASYSTAT669A OPT...

Страница 28: ...al gas pipe mains and branches Iron Pipe Size IPS Inches Length of Pipe Ft Pipe Pipe 1 Pipe 1 Pipe 1 Pipe 15 76 176 345 750 1220 30 52 120 241 535 850 45 43 99 199 435 700 60 38 86 173 380 610 75 77 1...

Страница 29: ...rrent imbalance with a resulting increase in motor winding temperatures that will decrease motor life If the voltage imbalance is over 2 notify the proper agencies to correct the voltage problem befor...

Страница 30: ...switch and the unit mounted disconnect switch if applicable Note Upon closing main power disconnect and the unit mounted disconnect switch or circuit breaker the phase monitor will verify proper phasi...

Страница 31: ...forms self diagnostic checks to insure that all internal controls are functional It also checks the configuration parameters against the components connected to the system The System LED located on th...

Страница 32: ...p procedure Economizer Start Up ReliaTel Control Using the ServiceTest Guide in Table 6 p 30 momentarily jump across theTest 1 Test 2 terminals on LTB1 one time to start the Minimum VentilationTest 1...

Страница 33: ...n the heating mode Momentarily jump across theTest 1 Test 2 terminals on LTB1 one additional time if continuing from previous component start up or until the desired start up componentTest is started...

Страница 34: ...side the range readjust the belt tension Note Actual belt deflection force must not exceed the maximum force value shown in Table 10 7 Recheck the belt tension at least twice during the first 2 to 3 d...

Страница 35: ...or replace them Check supply fan motor bearings repair or replace the motor as necessary Inspect both the main unit control panel and heat section control box for loose electrical components and termi...

Страница 36: ...l all of the components and panels removed in Step 1 and any protective covers installed in Step 2 Note For units equipped with hail guards follow reinstallation procedure listed below Hail Guard Rein...

Страница 37: ...ant Circuit 2 Date Current Ambient Temp F C Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F C Compr Oil Level Suct Press Psig kPa Disch Press P...

Страница 38: ...ce of operations for each mode to assist 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 te...

Страница 39: ...tem Failure Measure the voltage between terminals J6 9 J6 6 Normal Operation approximately 32 VDC System Failure less than 1 VDC approximately 0 75 VDC Test Mode voltage alternates between 32VDC 0 75...

Страница 40: ...the fan proving switch is closed indicating a fan failure and it will shut the unit operations down Condensate Overflow Switch When the Condensate Overflow Switch is closed a drain pan overflow condi...

Страница 41: ...nd runs continuously the ZSM is good If you are not able to turn the fan on the ZSM is defective ReliaTel Refrigeration Module RTRM Default Chart If the RTCI loses input from the building management s...

Страница 42: ...1 or CC2 24 VAC control circuit has opened check CC1 CC2 coils and any of the controls below that apply to the unit HPC1 HPC2 LPC1 LPC2 Frostat Resetting Cooling and Ignition Lockouts Cooling Failures...

Страница 43: ...chnical support Table 13 Unit wiring diagram numbers Schematic Type Schematic Type Schematic Type Description Control 4366 1012 0110 Power 4366 1005 0104 Connection Diagram 4366 1543 0110 060E 4366 10...

Страница 44: ...IMPLIED IN LAW OR IN FACT INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR USE AND IN NO EVENT SHALLWARRANTOR BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES Some state...

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Страница 48: ...dvanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvement and...

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