valent VRC Series Installation, Operation & Maintenance Instructions Manual Download | Manualshive

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MECHANICAL

INSTALLATION

OPERATION

& MAINTENANCE

VRC Series

IOM-M2-0316

Part Number 478603

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Summary of Contents for VRC Series

Page 1: ...MECHANICAL INSTALLATION OPERATION MAINTENANCE VRC Series IOM M2 0316 Part Number 478603...

Page 2: ...learances 4 Lifting Procedure 4 Installation 6 Pad Installation 6 Equipment Support Installation 6 Electrical and Refrigeration Connections 8 Electrical Connections 9 Refrigeration Connections 10 Main...

Page 3: ...before restoring power The Clean Air Act of 1990 bans the intentional venting of refrigerant CFC and HCFC as of July 1 1992 Approved methods of recovery recycling or reclaiming refrigerant must be fol...

Page 4: ...at the top of the unit Unit must be lifted using all lifting lugs on the exterior of the unit Lifting Lug Quantities Casing Lugs 110 4 210 4 310 4 Cables or chains should be at least double the lengt...

Page 5: ...789 8550 Part Number 478603 USE ALL PROVIDED LIFTING LUGS USE SPREADER BAR TO PREVENT DAMAGE TO UNIT CHAIN ANGLE AT POINT OF LUG MUST NEVER EXCEED 20 FROM VERTICAL TEST LIFT UNIT TO CHECK FOR PROPER...

Page 6: ...nd the units have properly undergone the pre startup and startup routines Sound Insulation If the ventilator indoor unit is to be installed above or adjacent to a sound critical area such as an office...

Page 7: ...rt 800 789 8550 Part Number 478603 Minimum Pad Dimensions Unit A B 110 37 75 80 25 210 49 75 110 25 310 66 50 117 00 Dimensions in inches Equipment Support Dimensions Unit A B 110 32 75 75 25 210 44 7...

Page 8: ...ions The following diagrams show piping locations as well as suggested field penetration locations for high voltage and low voltage electrical connections Refer to the Recommended Line Sizes table on...

Page 9: ...need to be connected between the ventilator unit and condenser Refer to the table below for required field wiring All control wiring is low voltage 24 volts or less Fan modulation signal wiring 0 10...

Page 10: ...ge line If the discharge pipe contains multiple vertical rises and horizontal sections a drip leg must be installed at the bottom of any rise over 10 Pipe the oil drip legs as shown in the Refrigerati...

Page 11: ...r 2 turns Low superheat and normal subcooling Under restricted Tighten TXV adjustment screw by 1 or 2 turns High superheat and high subcooling Over restricted Loosen TXV adjustment screw by 1 or 2 tur...

Page 12: ...A oz Circuit B oz 110 5 10 7 12 5 1 0 8 15 6 17 9 1 1 10 20 2 N A 1 8 210 10 9 8 8 0 13 6 11 8 1 0 1 0 13 11 0 12 9 13 6 15 8 1 0 1 1 16 16 4 13 5 18 1 15 0 1 1 1 1 18 16 2 17 0 20 4 20 9 1 1 1 8 20 2...

Page 13: ...ressure water can be used to clean coils Spray in the direction opposite the airflow to push dirt out the front of the coil Test the spray pressure on a small area on a corner of the coil to see how w...

Page 14: ...rect if possible Line wiring to motor too small Install larger wiring 60 Hz motor connected to 50 Hz line supply Replace unit with 50 Hz motor Motor wired for wrong voltage Check wiring Motor takes to...

Page 15: ...ed DX Startup Form to Valent via US Mail Valent Startup Forms 60 28th Avenue North Minneapolis MN 55411 E mail Subject Valent Startup Forms OAPservices unisoncomfort com Fax ATTN Valent Startup Forms...

Page 16: ...System has been pressure checked to 450psi with nitrogen for 1 hr System has been evacuated to less than 500 microns before charging Condenser Startup Form Prior to starting the unit ensure that all a...

Page 17: ...Certified Technician Startup services include verifying proper operation of the unit including proper refrigerant charge and repair of minor refrigerant leaks outside the coil At the completion of st...

Page 18: ...ties begin at start up or 6 months after the date of shipment from the Unison factory whichever occurs first The ship date for the units noted above is Please refer to the Unison Comfort Technologies...

Page 19: ...eration 10 Cooling coil maintenance 10 13 Curb Dimensions 7 Installation 6 Design requests 3 Ductwork dimensions 7 Installation Curb 6 Pad 6 Lifting instructions 4 Line sizes 11 Model numbers 3 Motor...

Page 20: ...March 2016 Valent is a business of Unison Comfort Technologies For service inquiries please contact Unison Comfort Technologies Technical Service 800 789 8550 OAPservices unisoncomfort com...

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