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Rheem RPVE Series, Installation, Operation & Maintenance Instructions Manual

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Rheem RPVE Series Installation, Operation & Maintenance Instructions Manual Download Page 1

RPVS & RPVE Series

Residential Indoor and Outdoor Split 

Geothermal Heat Pumps 

Installation, Operation &

Maintenance Instructions

97B0077N03

Revised: 13 March, 2015

Split Geothermal Products

Table of Contents

Model Nomenclature 

3

Safety 4

Storage 5

Pre-Installation 5

Equipment Selection 

6

Air Handler Match-ups 

6

Installation 7-9

Water Connections 

8

Ground-Loop Heat Pump Applications 

10-11

Ground-Water Heat Pump Applications - 
“Indoor” Compressor Section Only 

12

Ground-Water Heat Pump Applications 

13

Open Loop - Ground Water Systems 

13

Water Quality Standards 

14

Refrigeration Installation 

15-22

Lineset Information 

15

Hot Water Generator 

23-25

HWG Module Refrigeration Installation
For Outdoor Compressor Section Only 

26-27

Electrical - Line Voltage 

28

Electrical - HWG Wiring 

29

Low Water Temperature Cutout Selection 

30

Electrical - Low Voltage Wiring 

30-33

Water Valve Wiring 

31

Thermostat Wiring 

32

ICC Controls 

34-41

Unit Commissioning 
and Operating Conditions 

42

Unit Starting and Operating Conditions 

43

Unit Start-Up Procedure 

44

Unit Operating Conditions 

45-46

Preventive Maintenance 

47

Troubleshooting 48-49

ICC/Blower Control Troubleshooting Chart 

49

Functional Troubleshooting 

50-51

Troubleshooting Form 

52

Warranty 53-54

Revision History 

56

Form No. 92-103352-01

Summary of Contents for RPVE Series

Page 1: ...er Quality Standards 14 Refrigeration Installation 15 22 Lineset Information 15 Hot Water Generator 23 25 HWG Module Refrigeration Installation For Outdoor Compressor Section Only 26 27 Electrical Lin...

Page 2: ......

Page 3: ...CKEL HEAT EXCHANGER EFFICIENCY REFERENCE 0 3 6 J C C N N 4 9 10 11 12 13 V 27 EER RETURN AIR FLOW CONFIGURATION VOLTAGE S SPLIT INDOOR CONFIGURATION HEAT EXCHANGER OPTIONS SUPPLY AIR FLOW MOTOR CONFIG...

Page 4: ...nts If a compressor is removed from this unit refrigerant circuit oil will remain in the compressor To avoid leakage of compressor oil refrigerant lines of the compressor must be sealed after it is re...

Page 5: ...autions must be taken to avoid physical damage to the units and contamination by foreign material Physical damage and contamination may prevent proper start up and may result in costly equipment clean...

Page 6: ...ler Matches for ARI Ratings Compressor Section 025 036 048 062 Air Handler Model RHPL HM2421 RHPL HM3621 RHPL HM24 RHPL HM6024 Refrigerant HFC 10A Metering Device TXV Non Bleed required Air Coil Type...

Page 7: ...er electrical and line set connections Any access panel screws that would be di cult to remove after the unit is installed should be removed prior to setting the unit Refer to Figure 1 for an illustra...

Page 8: ...TEN or leaks may occur The female locking ring is threaded onto the pipe threads which holds the male pipe end against the rubber gasket and seals the joint HAND TIGHTEN ONLY DO NOT OVERTIGHTEN Intern...

Page 9: ...30 Head ft GPM Speed 1 Speed 2 Speed 3 Figure 6 Pump Curves for RPVE internal pump s Double Pump 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 0 5 10 15 20 25 30 35 Head ft GPM Speed 1 Speed 2 Speed 3 CAUTION...

Page 10: ...ic pressure will fluctuate with the seasons Pressures will be higher in the winter months than during the cooling season This fluctuation is normal and should be considered when charging the system in...

Page 11: ...freeze 10 F 12 2 C set point and avoid nuisance faults see Low Water Temperature Cutout Selection in this manual NOTE Low water temperature operation requires extended range equipment Ground Loop Heat...

Page 12: ...xpansion tank should be sized to provide at least one minute continuous run time of the pump using its drawdown capacity rating to prevent pump short cycling Discharge water from the unit is not conta...

Page 13: ...ating valves should never be used with this equipment CAUTION Figure 6 Water Well Connections CAUTION Many units are installed with a field supplied manual or electric shut o valve DAMAGE WILL OCCUR i...

Page 14: ...304 SS 400 ppm 250 ppm 150 ppm 316 SS 1000 ppm 550 ppm 375 ppm Titanium 1000 ppm 550 ppm 375 ppm Erosion and Clogging Particulate Size and Erosion All 10 ppm of particles and a maximum velocity of 1 8...

Page 15: ...Installing the Line set at the Compressor Section Braze the line set to the service valve stubs as shown in Figure 7 Remove the schraeder cores and heat trap the valves to avoid overheating and damag...

Page 16: ...ING WARNING If at all possible it is recommended that a new line set be used when replacing an existing R 22 system with an HFC 410A system In rare instances where replacing the line set is not possib...

Page 17: ...tdoor unit If the unit is operational follow steps F L F First start the existing R 22 system in the cooling mode and close the liquid line valve G Completely pump all existing R 22 refrigerant into t...

Page 18: ...d valve on the cylinder in this case keeping the cylinder upright 14 Once the liquid refrigerant has been completely recovered switch the recovery machine to vapor recovery so that the R 22 vapor can...

Page 19: ...calculated for the unit and line set is now in the system Open the service valve fully counter clockwise so that the stem will backseat and prevent leakage through the schrader port while it is not in...

Page 20: ...ng 1 Measure the temperature of the liquid line on the smaller refrigerant line liquid line just outside of the cabinet This location will be adequate for measurement in both modes unless a significan...

Page 21: ...ressor Section Insulated Linesets Low Voltage Air pad or Extruded polystryene PVC Condensate with vented trap Power Disconnects Compressor Section TXV IN toward Compressor Section PVC Condensate with...

Page 22: ...eady for charging If the system meets the requirements in Figure 10 it is ready for charging Figure 10 Evacuation Graph Charging The System There are two methods of charging a refrigerant system One m...

Page 23: ...For example consider the amount of heat that can be generated by the HWG when using the 125 F set point versus the amount of heat that can be generated by the HWG when using the 150 F set point In a t...

Page 24: ...SETPOINT MUST ONLY BE USED ON SYSTEMS THAT EMPLOY AN APPROVED ANTI SCALD VALVE PART NUMBER AVAS4 AT THE HOT WATER STORAGE TANK WITH SUCH VALVE PROPERLY SET TO CONTROL WATER TEMPERATURES DISTRIBUTED T...

Page 25: ...water piping with no less than 3 8 10mm wall closed cell insulation 3 Open both shut o valves and make sure the tank drain valve is closed Water Tank Refill 1 Close valve 4 Ensure that the HWG valves...

Page 26: ...ection and the refrigerant line connections on the HWG Maximum length should be 30 feet one way Evacuate the lineset to 500 microns through the hot gas valves in the outdoor unit Open the HWG valves i...

Page 27: ...igure 13d HWG Bypass Valve Figure 15 HWG Wiring Valve Open HWG Bypassed Valve Closed HWG Activated Control Board Circulator HWG Water Out HWG Refr Out HWG Refr In High Voltage HWG Water In TO RELAY R1...

Page 28: ...rify transformer tap with air handler wiring diagram to insure that the transformer tap is set to the correct voltage 208V or 230V CAUTION Use only copper conductors for field installed electrical wir...

Page 29: ...Voltage Field Wiring ELECTRICAL HWG WIRING Figure 18 HWG Module Wiring For Use with Outdoor Compressor Section TO RELAY R1 IN COMPRESSOR SECTION CONDENSER CONDENSER HWG Module Electrical Line Voltage...

Page 30: ...rature associated with thermistor FP1 Note that the FP1 thermistor is located on the refrigerant line between the coaxial heat exchanger and expansion device TXV Therefore FP1 is sensing refrigerant t...

Page 31: ...tion Since the unit will operate on first stage 80 90 of the time significant water savings can be realized by using two parallel solenoid valves with two flow regulators In the example above stage on...

Page 32: ...plate to the wall Thermostat wire must be 18 AWG wire Wire the appropriate thermostat as shown in Figures 26 through 30 to the low voltage terminal strip on the CXM control board Practically any heat...

Page 33: ...gure 28 Typical Two Stage Thermostat Heat Pump with Electric Heat Using A Humidistat for Dehumidification Figure 29 Typical Two Stage Thermostat Heat Pump with Electric Heat Using A Two Stage Thermost...

Page 34: ...o the following 1 A steady t appears on the ICC diagnostic display 2 The compressor and low speed pump outputs will be activated 3 The compressor and pump outputs will turn o after 5 seconds Note If a...

Page 35: ...ay of one 1 second for each stage of heating or cooling The Blower control has an on o indoor blower delay for heating and cooling The ICC ignores the low pressure control for the first 120 seconds of...

Page 36: ...0 continuous seconds three 3 times during the same command for compressor operation the ICC will lockout the compressor to keep it from continuing to operate and flash a L on the dual 7 segment LEDs f...

Page 37: ...n occurs Active Protection Code L7 Compressor Open Run Circuit If the ICC detects current in the start circuit without current present in the run circuit the ICC will lockout the compressor to keep it...

Page 38: ...more than 18 hours Low refrigerant charge Air ducts have substan tial leakage Dirty air filter or air coil 02 High Side Fault Compressor limit has opened four 4 times within a call for operation Dirty...

Page 39: ...30 Fuse Open The ICC detects the on board fuse is open The 3 amp fuse on the ICC is open Low voltage wiring at R and C is damaged or miswired 80 Low Air Flow The ICC detects that the blower is not pr...

Page 40: ...Stage Compressor Fan 1st Stage Pump Stage 2 Heating Y1 Y2 G 2nd Stage Compressor Fan 1st 2nd Stage Pumps Stage 3 Heating Y1 Y2 W1 W2 G 2nd Stage Compressor Fan 1st 2nd Stage Pumps Auxiliary Heat Emer...

Page 41: ...41 Residential Spl i t Rev 13 M arch 2015 ICC Controls Table 9 Nominal resistance at various temperatures Temp C Temp F Temp C Temp F Resistance kOhm Resistance kOhm...

Page 42: ...1 5 to 3 0 gpm ton 1 6 to 3 2 l m per kW Cooling Heating Air Limits Min ambient air DB 10 F 23 C 10 F 23 C Rated ambient air DB 80 6 F 27 C 68 F 20 C Max ambient air DB 110 F 43 C 85 F 29 C Min enter...

Page 43: ...slag and strong chemical cleaning agents Some antifreeze solutions may require distilled water Flow Controller pump s Verify that the pump s is wired purged of air and in operating condition System c...

Page 44: ...compare to Tables 13a through 13d Verify correct water flow by comparing unit pressure drop across the heat exchanger versus the data in Table 11 Heat of extraction HE can be calculated and compared...

Page 45: ...of Rejection Heat of Extraction 30 F 50 F 70 F 90 F 100 F 30 F 50 F 70 F 90 F 025 1 3 5 5 8 7 0 600 24 4 24 6 24 7 24 1 24 4 24 5 23 1 23 3 23 4 22 0 22 3 22 4 21 5 21 7 21 8 9 5 10 0 10 2 13 5 14 2 1...

Page 46: ...135 123 133 122 132 245 265 227 247 208 228 13 18 13 18 14 19 19 24 18 23 16 21 20 9 22 9 15 6 17 6 10 2 12 2 20 26 20 26 20 26 93 103 98 108 103 113 289 309 295 315 301 321 7 12 7 12 7 12 5 10 5 10 5...

Page 47: ...he water coil and may need more frequent inspections In areas with extremely hard water a HWG is not recommended Filters Filters must be clean to obtain maximum performance Filters should be inspected...

Page 48: ...at also has a wide range of fault and history information Sensor Inputs All sensor inputs are paired wires connecting each component to the board Therefore continuity on pressure switches for example...

Page 49: ...history Refer to mechanical troubleshooting No No No Yes Yes Yes No No No Yes Yes Yes Compressor control 7 segment lit Check control voltage to control Y1 LED lit Check thermostat wiring Flashing c o...

Page 50: ...water temp within design parameters X X Bad thermistor Check temp and impedance correlation per chart FP2 fault Code 86 X Reduced or no Air flow Check for dirty air filter and clean or replace Air Coi...

Page 51: ...eplace in heating Check fan motor operation and airflow restrictions Too high of external static Check static vs blower table X Reduced or no water flow Check pump operation or valve operation setting...

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Page 55: ...55 Residential Spl i t Rev 13 M arch 2015 Notes...

Page 56: ...ch product at the time for order may be changed without notice and may not be as described herein Please contact the Manufacturer s Customer Service Department at 1 405 357 0409 for specific informati...

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