Friedrich VRP Series Installation & Operation Manual
Variable refrigerant packaged heat pump
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- Service and parts manual (95 pages) ,
- Service & parts manual (143 pages)
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Summary of Contents for Friedrich VRP Series
- Page 1 Variable Refrigerant Packaged Heat Pump Innovative | Intelligent | Inverter 12000 Btu 24000 Btu For Commercial and Residen- tial Applications One or more of the following patents may apply: 10408504 10436457 10488083 Additional patents pending PRECISION VRP IOM 92301001_02...
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Page 2: Table Of Contents
Table of Contents Warnings __________________________________________________________________________________ 3 General Specifications ______________________________________________________________________________ 4 Dimensions ________________________________________________________________________________ 5 Electrical Data _____________________________________________________________________________ 6 Air Flow Data ______________________________________________________________________________ 7 Installation Minimum Clearances ________________________________________________________________________ 8 Installation Orientations ______________________________________________________________________ 9 Rough Opening Dimensions __________________________________________________________________ 10 Preliminary Plumbing ______________________________________________________________________ 12 Wall Plenum Installation ____________________________________________________________________ 13 Louver Installation _________________________________________________________________________ 17 Unit Installation ___________________________________________________________________________ 19... -
Page 3: Warnings
Please carefully read and follow the installation insrtructions and safety warnings detailed in this manual. All applicable na- tional and local mechanical and electrical codes should be followed and take precedence over any Friedrich requirements or reccomenedations regarding installation applications detailed in this manual. -
Page 4: Specifications
General Specifications Nomenclature Series Engineering Code S= Standard VRP Heat Pump L= Basepan Heat Nominal Capacity (Btu /Hr.) 12 = 4000 - 16000 Operating Range Plenum and Louver Configuration 24 =12,000 - 28000 Operating Range A= Compact (VRP12 Only) Voltage B= Standard K = 230/208 V R = 265 V... -
Page 5: Dimensions
Dimensions VRP Dimensional Data 12K DUCT FLANGE VRP Dimensional Data 24K Model VRP12K VRP12R VRP24K VRP24R Dimensions (W x D x H) 26 1/8" x 25 1/8" x 52" 26 1/8" x 25 1/8" x 62" Shipping Dimensions (W x D x H) 28 1/8"... -
Page 6: Electrical Data
Electrical Data Total Electric Electric Electric Heater Heating ID Blower OD Blower Heating MOP / MOCP VRP Model Voltage Watts Amps Amps Amps 2500 8530 0.34 0.42 11.2 14.0 2030 6980 0.38 0.42 10.2 3400 11601 0.34 0.42 15.1 VRP12K 18.9 2780 9480... -
Page 7: Air Flow Data
VRP is designed to install through an exterior wall with a plenum (VRPXWP*-8, VRPXWP*-14) and a Friedrich external louver . If the Friedrich designed plenum and louver combinations are not used, the selections and design must be evaluated by Friedrich to ensure the total pressure drop does not exceed the maximum allowable limits. -
Page 8: Minimum Clearances
UNIT of 72” must be kept. FENCE MAJOR OBSTRUCTIONS The the example pictured above is for reference only and does not represent all possible installations. Please contact Friedrich Air Conditioning for information regarding effects of other installation arrangements. -
Page 9: Installation Orientations
Installation Orientations OUTSIDE GRILL OUTSIDE WALL Min. ” Min. ” 25 1/8” 31 1/8” ( Min. Required Inside Closet Dimension ) Min. ” Required 26 1/8” Access Door Cut Out = ” 32” ( Min. Required Inside Closet Dimension ) Front Installation-Top View OUTSIDE GRILL OUTSIDE WALL... -
Page 10: Rough Opening Dimensions
Exterior Wall Opening Dimensions Exterior Wall Rough Opening Dimensions Unit Width Heigth Compact 28 1/8" 32 1/4" (VRPXWPA-*) Standard 28 1/8" 42 1/4" (VRPXWPB-*) Compact (A) configuration is for 12000 BTU units only. Standard (B) configuration is for 24000 BTU and 12000 BTU units. - Page 11 Interior (Closet) Wall Opening Dimensions Return Air Access Door Wall Cut-Out 30” 69¾” NOTE: To maintain ease of removal and serviceability, if the unit is installed on a platform ensure that the total height of the unit from the floor does not exceed the height of the interior rough opening.
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Page 12: Preliminary Plumbing
Preliminary Plumbing Standard (Front Install) The image to the right shows the installation closet for the standard (Front Install) configuration (where the wall plenum is opposite the service access door). A drainage system is required, and should provide a “P-trap” to prevent undesirable waste gas from entering into the residential area. -
Page 13: Wall Plenum Installation
Wall Plenum Installation Parts included in Plenum kit: Outside Plenum (Part A) Divider (Part C) Inside Plenum (Part B) Baffle (Part D) Field Supplied Parts: Sealant, attachment screws, and flashing Flashing are field supplied. Silicone sealant is recommended. Sealant VRPXWPA-8, VRPXWPB-8 adjust for walls up to 4”- 8” thick. VRPXWPA-14, VRPXWPB-14 adjust for walls up to 8”... - Page 14 Wall Plenum Installation Step 1 - Outside Wall Plenum Half Note: The wall plenum is not designed to carry any structural load. A load bearing header must be built above the rough opening. 1) Prepare the rough opening. The rough opening should be lined with metal or wood. The plenum will warp if sealed against concrete or brick.
- Page 15 Wall Plenum Installation Step 2 - Inside Wall Plenum Half Caulk all 8 Flange Corners and Unused Holes Detail A 1) Apply sealant to all 4 flange corners and unused holes. See Detail A. 2) Place the baffle (Part D) on the approprate baffle mounting tabs located on the inner perimeter of the inside plenum half based on unit size (Compact/Standard).
- Page 16 Wall Plenum Installation Step 3 - Inside Wall Plenum (cont.) Detail B Note: Do not place any screws, fasteners, or penetrating holes through the top or bottom of the plenum assembly. 1) Drill pilot holes on the interior of the inside plenum half (Part B) as show in Detail B. Pilot holes should be located approxiamtely 4”...
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Page 17: Louver Installation
Installation of the louver PRIOR to Wall Plenum Installation Hold the louver up to the Outside Wall Plenum Part A and line up the louver top with the very top edge of the 3/4” flange. Line up Louver Installation the Wall Plenum holes with the threaded holes in the louver, install and tighten the 8 screws. Installation of the louver PRIOR to Wall Plenum Installation Attach louver with 8 screws provided... - Page 18 Final Wall Plenum and Architectural Louver Installation Plenum Divider Extension Plate Installed Plenum Divider Extension Plate (Baffle) into Full Plenum Assembly Ensure that the weather strip is undamaged and provides a continuous seal around the inner perimeter of the plenum. Apply silicone grease or other non-petroleum-based lubricants to the weather strip to enhance the sealing capability of the weather strip and ease installation of the air conditioner chassis.
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Page 19: Unit Installation
Unit Installation Unit Placement Prior to Installation ( Front-Install Configuration) All louver, plenum, rough plumbing, and rough wiring steps must be complete prior to final installation of the air conditioning chassis. - Page 20 Final Unit Installation Overview Unit Final Placement - Front Install Ensure that power if off at the junction box feeding power to the air conditioner until all process steps are completed. Move the unit from the shipping base and onto the installation site. Insert the unit’s rear extension into the wall plenum.
- Page 21 Side Configuration Installation Left Install VRP Unit Left Install VRP Unit Prepared for Installation in Closet (Fully Installed) For side-install applications, place the unit adjacent to the closet and slide it in. Then, slide the unit backwardward into the plenum.
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Page 22: Drain Installation
Final Drain Installation Unit Drain Installation ” ” ” NOTE: Failure to follow the following procedures may result in serious property damage. A field supplied secondary condensate pan may be required. Check with local codes. In case of drainage system blockage, the unit base will allow excess water to flow out of the unit through the plenum and the architectural louver. -
Page 23: Ductwork Installation
Ductwork Installation Supply air duct connection is the responsibility of the installer and should be installed per industry best practices. Sheet metal or duct board may be used for the transition from the discharge to 10” or larger diameter flexible ducting. Avoid sharp transitions in the ductwork to ensure optimal indoor blower performance. -
Page 24: Wall Controller Installation
Wall Controller Installation Proper Wiring of VRP unit to Wall Controller Use shielded and stranded CAT 6 cable with twisted pairs to wire the wall controller. Use the wire colors with the corresponding terminals on the wall controller to the VRP unit as shown in the table below. Table shows which wire pairs go with which screw terminal. - Page 25 Wall Controller Installation Wiring to the VRP Unit A. Strip the wire ends to 9/16" (15 mm). B. Insert the wire pairs into terminals as shown below. C. Insert ground shield wire into ground terminal (marked with a ground symbol). D.
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Page 26: Electrical Connection
Electrical Installation Electrical Installation Electrical Installation Electrical Installation Remove and discard hole knock-out from the side of the unit (Detail A) Remove and discard hole knock-out from the side Remove and discard hole knock-out from the side of the unit (Detail A) Remove and discard hole knock-out from the side of the unit (Detail A) of the unit (Detail A) -
Page 27: Return Air Door Installation
Return Air Door Installation Option 1 Option 2 The door panel is supported along one edge by the provided hinge. The opposite edge has a latch which secures the panel to the adjacent framed structure. The kit contains hinge bracket for mounting the door with the return air openings low (shown in option 1) or high (shown in Option 2) on the door. -
Page 28: Freshaire™ System Set-Up And Operation
FreshAire™ System Set-Up and Operation FreshAire™ System Set-Up and Operation DETA IL If equipped with the FreshAire™ System, the unit will come with a FreshAire filter and blank-off plate. Detail A Remove the blank-off plate prior to turning the unit on. If equipped with the FreshAire™... -
Page 29: Electrical Wiring Diagrams
Electrical Wiring Diagram - 208/230V 7.5 & 10.0 kW... - Page 30 Electrical Wiring Diagram - 208/230V 2.5, 3.4, & 5.0 kW...
- Page 31 Electrical Wiring Diagram - 265V 2.5, 3.4, & 5.0 kW...
- Page 32 Electrical Wiring Diagram - 265V 7.5 & 10.0 kW...
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Page 33: Basepan Heat
Basepan Heater DETAIL SCALE 1 / 1 Basepan Heat Thermostat VRP model numbers that end with the ‘L’ character will come equipped with a basepan heater. The outdoor tem- perature at which the basepan heat engages can be set via an analog thermostat. The “MIN” setting will turn on the basepan heat at 0F outdoor ambient. -
Page 34: Final Installation Checklist
(F option) outdoor air fan and filter, or dual leaves the module through a filter and enters the operator of the equipment. Friedrich Warranty Service Company in the area (D option) outdoor air fans and filters. indoor space in front of the indoor conditioning coil. -
Page 35: Service And Warranty
Service & Warranty Servicing / Chassis Quick Change Outs To Remove the Chassis from the Closet: The chassis is designed for quick disconnect A. Switch the wall controller off. and change out. For minor electrical service, B. Disconnect the power coming into the unit from the Electrical Access Panel is easily removable the main breaker panel or the closet mounted once the screws are removed. -
Page 36: Accessories
Accessories ITEM DESCRIPTION QTY. CHECK LIST VRPXWPA-8 Wall Plenum for VRP12 with VRPXALA for 4” to 8” thick wall Require One of these Wall Plenums per unit VRPXWPB-8 Wall Plenum for VRP24 with VRPXALB up for 4” to 8” thick wall (Can also be used with VRP 12) VRPXWPA-14 Wall Plenum for VRP12 with VRPXALA for 8”... - Page 37 Accessories TYPE ITEM DESCRIPTION CHECK LIST WALL VRPXWCT Wall Controller CONTROLLER Required one per unit VRPXEMRT2 VRP Energy Management Wired Wall Controller with Occupancy Sensor Require One of the Controllers per unit VRPXEMWRT2 VRP Energy Management Wireless Wall Controller with Occupancy Sensor EMOCT Online Connection Kit –...
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Page 38: Diagnostic Error Codes
Diagnostic Error Codes Code Description Return air thermistor open/shorted Indoor coil (cool inlet) thermistor open/shorted Outdoor coil (heat inlet) thermistor open/shorted Discharge air thermistor open/shorted Outdoor ambient thermistor open/shorted Indoor coild (heat cond.) thermistor open/shorted Compressor discharge thermistor open/shorted Compressor suction thermistor open/shorted Liquid cool thermistor open/shorted Liquid heat thermistor open/shorted Humidity sensor open/shorted... -
Page 39: Vrp Limited Warranty
FRIEDRICH will repair or replace, at its option, any defective part without charge for the part. Replacement parts are warranted for the remainder of the original warranty period. - Page 40 THIS PAGE INTENTIONALLY LEFT BLANK.
- Page 41 Variable Refrigerant Packaged Heat Pump Innovative | Intelligent | Inverter Friedrich Air Conditioning Co. | 10001 Reunion Place, Suite 500 | San Antonio, TX 78216 | 877.599.5665 | www.friedrich.com VRP IOM 92301001_02...