Rheem HPHD-135VNU-483 Owner's Manual And Installation Instructions
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Rheem HPHD-135VNU-483 Owner's Manual And Installation Instructions

Commercial air to water heat pump water heater
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OWNERS GUIDE AND
INSTALLATION INSTRUCTIONS
COMMERCIAL
AIR TO WATER
HEAT PUMP WATER HEATER
This water heater must be installed and serviced by a qualified person.
Please leave this guide with a qualified professional.
WATER QUALITY
ANSI/NSF-5
AP22851

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  • Page 1 OWNERS GUIDE AND INSTALLATION INSTRUCTIONS COMMERCIAL AIR TO WATER HEAT PUMP WATER HEATER This water heater must be installed and serviced by a qualified person. Please leave this guide with a qualified professional. WATER QUALITY ANSI/NSF-5 AP22851...

  • Page 2: Table Of Contents

    DRAINING THE WATER HEATER ....................55 TROUBLE SHOOTING ........................56 AUTOMATIC DEFROST .........................57 ACCESSORIES ..........................58 WARRANTY .............................59 TECHNICAL SUPPORT LINE Rheem: 800-432-8373 Raypak: 805-278-5300 ORDER CENTER Rheem: 1-800-621-5622 Raypak: 805-278-5300 RHEEM WATER HEATERS 800 Interstate Park Dr. Montgomery, AL 36109 Website: www.Rheem.com e-mail: Techserv@Rheem.com...

  • Page 3: Introduction

    Commercial Air to Water Heat Pump Water Heater INTRODUCTION NOTE: The instructions in this manual are for the use of Only a licensed person will give you a Compliance Certifi- cate, showing that the work complies with all the relevant qualified individuals specially trained and experienced in standards.

  • Page 4: About Your Water Heater

    Commercial Air to Water Heat Pump Water Heater ABOUT YOUR WATER HEATER WATER HEATER APPLICATION This water heater is designed for the purpose of heating 167°F 75°C potable water. Its use in an application other than this may shorten its life. 158°F 70°C HOW HOT SHOULD THE WATER BE?
  • Page 5 Commercial Air to Water Heat Pump Water Heater ABOUT YOUR WATER HEATER WARNING: This water heater is only intended The warranty may not cover faults if relief to be operated by persons who have the expe- valves or other safety devices are tampered rience or the knowledge and the capabilities with or if the installation is not in accordance to do so.
  • Page 6 We recommend you seek advice from your plumber, speci- fier or Rheem Application Engineer about your needs and building back up redundancy into your hot water supply system.

  • Page 7: How Your Water Heater Works

    The auxiliary boost will remain active until the water heat- provide safe and efficient operation. er fault is cleared. WARNING: Rheem nor its subsidiaries will not be responsible for higher utility bills due AUXILIARY BOOST OPERATION to excessive use of auxiliary boost heater. It is the customers’...
  • Page 8 Commercial Air to Water Heat Pump Water Heater HOW YOUR WATER HEATER WORKS THERMAL CUTOUT SUPERIOR MONITORING The refrigeration circuit is protected by thermal sensors. The Heat Pump System is supplied with 9 sensors: These will activate a thermal cut out in the event of exces- 1.

  • Page 9: Regular Care

    Commercial Air to Water Heat Pump Water Heater REGULAR CARE It is suggested that the commercial heat pump be serviced annually, to retain optimum performance. Servicing must be performed by a suitably qualified person. ANNUAL SERVICE FIVE YEAR SERVICE 1. Check the sensors are fully installed into thermal 1.
  • Page 10 Commercial Air to Water Heat Pump Water Heater REGULAR CARE TEMPERATURE AND PRESSURE RELIEF VALVE EXPANSION CONTROL VALVE AND EXPANSION TANK A temperature and pressure relief valve should be used with the storage tanks. In many areas, an expansion con- trol valve or expansion control tank is also fitted to the cold water line to the water heater system.

  • Page 11: Water Supplies

    Water with a pH less than 6.0 may be treated to raise the these guidelines for the Rheem’s warranty to apply. pH. The water supply from a rainwater tank in a metropoli- tan area is likely to be corrosive due to the dissolution of atmospheric contaminants.

  • Page 12: Save A Service Call

    Is the electricity switched on? Do you have the correct size water heater for your Inspect the circuit breaker marked “HOT WATER” or requirements? Contact Rheem Application Engineer- “WATER HEATER” at the electrical service panel and ing for guidance. the isolating switch at the water heater and ensure they are turned on.
  • Page 13 Commercial Air to Water Heat Pump Water Heater SAVE A SERVICE CALL HEAT PUMP IS NOT OPERATING HIGH ELECTRICITY BILLS With the installation of your new air sourced heat pump • Ambient temperature is cold– auxiliary water heater, maximum electrical energy savings can be boost mode achieved.

  • Page 14: Installation

    Commercial Air to Water Heat Pump Water Heater INSTALLATION THIS WATER HEATER IS FOR INDOOR OR INDOOR INSTALLATION OUTDOOR INSTALLATION, MODEL DEPEN- DENT. THIS WATER HEATER IS NOT SUIT- To comply with UL 1995, the minimum room size permis- ABLE FOR POOL HEATING. sible in relation to the quantity of refrigerant in the wa- ter heater, is 264.86ft 3 per 60k BTUh heat pump and 626.12ft 3 per 135k BTUh heat pump.
  • Page 15 Commercial Air to Water Heat Pump Water Heater INSTALLATION SAFE TRAY HOT WATER DELIVERY Where damage to property can occur in the event of the wa- This water heater can deliver water at temperatures which ter heater leaking or condensate forming under the drain tray, can cause scalding.
  • Page 16 Commercial Air to Water Heat Pump Water Heater INSTALLATION CIRCULATED HOT WATER FLOW INSULATION AND RETURN SYSTEM To minimise heat loss and provide protection from freez- ing, the cold water line to and the hot water line from the This heat pump water heater may be installed as part of heat pump water heater must be insulated in accordance a circulated hot water flow and return system in a build- with the requirements of UL 1995.
  • Page 17 Commercial Air to Water Heat Pump Water Heater INSTALLATION...
  • Page 18 Commercial Air to Water Heat Pump Water Heater INSTALLATION...
  • Page 19 Commercial Air to Water Heat Pump Water Heater INSTALLATION...
  • Page 20 Commercial Air to Water Heat Pump Water Heater INSTALLATION DIMENSIONS AND TECHNICAL DATA- 60K BTU MODELS A2W 60k BTU- Ducted Horizontal Discharge HPHD-60HNU-201 HPHD-60HNU-201 (Horizontal) 47-1/2 TOP VIEW 10-3/16 10-5/8 10-1/8 5-1/2 36-3/8 ACCESS WATER OUTLET WATER CONNECTIONS 1-1/4” NPT WATER INLET 7-11/16...
  • Page 21 Commercial Air to Water Heat Pump Water Heater INSTALLATION DIMENSIONS AND TECHNICAL DATA- 60K BTU MODELS A2W 60k BTU - Vertical Discharge HPHD-60VNU-201 HPHD-60VNU-201 (Vertical) 48-3/16 47-1/2 TOP VIEW 1-1/16 17-11/16 5-9/16 19-11/16 10-1/8 11-3/4 8-15/16 ACCESS WATER OUTLET WATER CONNECTIONS 1-1/4”...
  • Page 22 Commercial Air to Water Heat Pump Water Heater INSTALLATION DIMENSIONS AND TECHNICAL DATA- 135K BTU MODELS RHEEM A2W 135 K BTU - Horizontal Discharge HPHD-135HNU-483 HPHD-135HNU-483 (Horizontal) 73-1/8 72-1/16 TOP VIEW 14-13/16 13-3/16 13-15/16 3-7/8 29-1/4 ACCESS WATER OUTLET WATER CONNECTIONS 2”...
  • Page 23 Commercial Air to Water Heat Pump Water Heater INSTALLATION DIMENSIONS AND TECHNICAL DATA- 135K BTU MODELS RHEEM A2W 135 K BTU - HPHD-135VNU-483 HPHD-135HNU-483 (Horizontal) 73-1/8 72-1/16 TOP VIEW 14-13/16 13-3/16 13-15/16 29-1/4 3-7/8 ACCESS WATER OUTLET WATER CONNECTIONS 2” NPT...
  • Page 24 Commercial Air to Water Heat Pump Water Heater INSTALLATION CLEARANCES- AIR TO WATER HEAT PUMP MODELS SIDES 60K BTU MODELS 135K BTU MODELS Evap Coil Side 20 in (500 mm) 40 in (1000 mm) Back (vertical discharge models) Back (horizontal discharge models) 47 in (1200 mm) 78 in (2000 mm) Display Side 34 in (850 mm)

  • Page 25: Heat Pump And Tank Assembly

    Commercial Air to Water Heat Pump Water Heater HEAT PUMP AND TANK ASSEMBLY HEAT PUMP AND STORAGE Ducted Models with Kit TANKS The exhaust air duct must be constructed so that it covers both fans. A spigot is provided on ducted models to facili- The heat pump water heater system is modular and tate ductwork connection.
  • Page 26 Commercial Air to Water Heat Pump Water Heater HEAT PUMP AND TANK ASSEMBLY Staking kits available for horizontally vented heaters. See Kit Instillation Instructions for proper stacking PART NUMBER DESCRIPTION 45263 HPHD-60 Horizontal Stacking Kit 45264 HPHD-135 Horizontal Stacking Kit Note: Top unit can be 9530XXH0 or 9520XXH0.
  • Page 27 Refer to table below for minimum (ID) pipe sizing. The designed primary pump per 60k Btuh model is Grundfos model CM3-2 and per 135k Btuh model is CM10-1. Refer to installation manuals supplied with pumps. If another pump has been supplied, consult Rheem before continuing with the installation.
  • Page 28 Commercial Air to Water Heat Pump Water Heater HEAT PUMP AND TANK ASSEMBLY NOTE: Where storage tanks are used, boosting in the The configuration of the auxiliary water heating plant can vary depending on the requirements of the individual in- top portion of the storage tank is equivalent to boosting stallation.

  • Page 29: Manifold Installations

    Commercial Air to Water Heat Pump Water Heater MANIFOLD INSTALLATIONS The commercial heat pump water heater is designed to 6. A full flow gate valve or ball valve (not a stop tap, as be installed with storage tanks on a single manifold or used on a single water heater installation) must be multiple manifolds if required.
  • Page 30 Commercial Air to Water Heat Pump Water Heater MANIFOLD INSTALLATIONS Primary Hot Water Flow Manifold Assembly AUTHORIZED BALL OR FULL FLOW OR GATE VALVE FLOW FROM HEAT PUMPS Cold Manifold Assembly RETURN TO HEAT PUMPS AUTHORIZED BALL OR FULL FLOW OR GATE VALVE...
  • Page 31 ST80 24-7/16 58-5/18 Back to Back Manifold ST120 28-1/4 59-1/4 ST175 32-1/4 67-1/4 INSTALLATION LAYOUT MINIMUM DIMENSIONS ST200A 77-1/2 MODEL INSTALLATION DIMENSIONS – MULTIPLE RHEEM STORAGE TANKS ST260A 95-1/2 ST320A 84-1/2 ST320A 84-1/2 ST430A 84-1/2 ST500A 94-1/2 ST750A 107-1/2 ST950A...

  • Page 32: Connections - Plumbing

    Commercial Air to Water Heat Pump Water Heater CONNECTIONS - PLUMBING CONNECTION SIZES PIPE SIZES To achieve true mains pressure operation, the cold water Model 60k BTU 135k BTU line to the storage tanks should be the same size or big- Heat pump water heater inlet ger than the hot water line from the storage tanks.
  • Page 33 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - PLUMBING EXPANSION CONTROL VALVE CONDENSATE DRAIN DRAIN A drain line must be fitted to the condensate drains to carry the discharge clear of the water heater. The drain A copper drain line must be fitted to the relief valve to line can be extended using 13/16 in O.D.

  • Page 34: Connections Electrical

    Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL The power supply to the water heater must not be switched A conduit is required for the electrical cable to the heat on until the water heater is filled with water and a satisfac- pump water heater.
  • Page 35 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL TANK SENSOR INSTALLATION BUILDING FLOW TEMPERATURE SENSOR INSTALLATION Connect one of the supplied temperature sensors to the connection terminal on the heat pump marked “Tank Sen- • Connect the 2nd temperature sensor to the connec- sor”.
  • Page 36 If a single auxiliary boost element is supplied by Rheem, with an individual heat pump directly using the method remove bridging wire at the terminals marked ‘A7 and A9’...
  • Page 37 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL MULTIPLE HEAT PUMP BUILDING MANAGEMENT INSTALLATION SYSTEMS (BMS/BAS) Up to four heat pumps can be interconnected by daisy Each water heater can be connected to a BMS or BAS chaining the LAN cables for operation as shown below.
  • Page 38 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL HPHD-60VN INCOMING MAINS (FIELD WIRING) WINDING (R) CAPACITOR (RC) ACTIVE (T2) START WINDING (S) COMPRESSOR COMMON (C) TRANSFORMER...
  • Page 39 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL HPHD-60HN INCOMING MAINS (FIELD WIRING) WINDING (R) CAPACITOR (RC) ACTIVE (T2) START WINDING (S) COMPRESSOR COMMON (C) TRANSFORMER...
  • Page 40 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL HPHD-135 INCOMING MAINS (FIELD WIRING) TRANSFORMER...
  • Page 41 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL...
  • Page 42 (programs the temperature to be maintained setpoint can be adjusted up to 149°F (65°C) depending during a specified date range) on site suitability after consulting with Rheem. Enabling the Special Event to ‘Yes’ allows user to pro- MENU ITEM gram in the desired date range, setpoint and differential to be maintained during the Special Event period.
  • Page 43 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL D. Input/output View – Displays the actual readings as fol- E. Alarm History – will display up to 150 alarm events and lows: then will overwrite oldest event. Alarms can be cleared by pressing the ‘Alarm Bell’...
  • Page 44 Commercial Air to Water Heat Pump Water Heater CONNECTIONS - ELECTRICAL Parameter Sub Parameter Primary Secondary Setpoint 140°F (60.0°C) Screen N/A Thermoregulation 01 Differential 37°F (3.0°C) Screen N/A Dead band 33°F (0.5°C) Screen N/A Initiate 25°F (-4°C) 25°F (-4°C) Thermoregulation 02 (De-ice temperature) Terminate 50°F (10.0°C)

  • Page 45: Commissioning

    Commercial Air to Water Heat Pump Water Heater COMMISSIONING TO FILL AND TURN ON THE It is important to wait for five minutes after the heat pump has activated to ensure it continues to operate and is WATER HEATER functioning correctly. The power supply to the water heater and NOTE: The water heater may not turn on immediately controller must not be switched on until the...
  • Page 46 Commercial Air to Water Heat Pump Water Heater COMMISSIONING The commissioning procedure MUST be performed in the 3. Configure heat pump address. order shown. • While in the home screen on control panel, si- multaneously press and hold Up , Down and Enter for 5 seconds to enter the setup menu.
  • Page 47 Commercial Air to Water Heat Pump Water Heater COMMISSIONING 4. Change secondary heat pump 'Out air sensor', 'Stor- Refer to page 50 to see the chart for navigating Service age tank temp' sensor and 'Building flow temp' sensor menu and page 53 for Thermoregulation section or see parameters to 'No'.
  • Page 48 Commercial Air to Water Heat Pump Water Heater COMMISSIONING COMMISSIONING PROCEDURE- Change the settings for BMS configuration from the display menu as mentioned below. BMS CONFIGURATION Address: No change required (address is irrelevant Before commencing the commissioning procedure, en- for this card). sure the ‘Building Management Systems (BMS/BAS)’...
  • Page 49 Commercial Air to Water Heat Pump Water Heater COMMISSIONING a. If Network LED flashes green with occasional red Functions of the button: When starting up the TCP/IP Eth- flashes then communication is OK. ernet card, this is used to select, for network communica- tion, whether to use the factory parameters or the user b.
  • Page 50 Commercial Air to Water Heat Pump Water Heater COMMISSIONING Refer to the parameter tables below for BMS: ANALOG VARIABLES Read/ Description Default Category Variable name Address Write reading from input 1 Default -3276.8 3276.7 Probe_Value_1 Hot Entering water Sensor reading from input 2 Default -3276.8 3276.7...
  • Page 51 Commercial Air to Water Heat Pump Water Heater COMMISSIONING INTEGER VARIABLES Read/ Description Default Category Variable name Address Write type of tariff - timeband 0 week end Default trfw_0 type of tariff - timeband 1 week end Default trfw_1 type of tariff - timeband 2 week end Default trfw_2 type of tariff - timeband 3 week end...
  • Page 52 Commercial Air to Water Heat Pump Water Heater COMMISSIONING INTEGER VARIABLES Read/ Description Default Category Variable name Address Write 15018 Default 32767 BMS_Sw_Ver 15018 Default 32767 BMS_Sw_Date Default 9999 Manuf_Password Clock / Current year CURRENT_YEAR TimeDate Clock / Current month CURRENT_MONTH TimeDate Clock /...
  • Page 53 Commercial Air to Water Heat Pump Water Heater COMMISSIONING DIGITAL VARIABLES Read/ Description Default Category Variable name Address Write Digital Input 1 Default Din_1 Digital Input 2 Default Din_2 Digital Input 3 Default Din_3 Digital Input 4 Default Din_4 Digital Input 5 Default Din_5 Digital Input 6...
  • Page 54 Commercial Air to Water Heat Pump Water Heater COMMISSIONING DIGITAL VARIABLES Read/ Description Default Category Variable name Address Write Actual status of compressor 4 Default Device_Status_Comp_4 Actual status of reverse valve Default Device_Status_rev_vlv1 Actual status of reverse valve 2 Default Device_Status_rev_vlv2 Actual status of reverse valve 3 Default...

  • Page 55: Draining The Water Heater

    Commercial Air to Water Heat Pump Water Heater COMMISSIONING To Turn Off The Water Heater If it is necessary to turn off the water heater on completion of the installation, such as on a building site or where the premises are vacant, then: •...

  • Page 56: Trouble Shooting

    Check for correct phase rotation. Alarm light on heat pump controller If the alarm light is flashing RED, check the alarm by pressing the alarm button. Phone your nearest Rheem Service Department to inform about the alarm. Low Ambient Temperature If the ambient air temperature is below setpoint, the heat pump may not start.

  • Page 57: Automatic Defrost

    Commercial Air to Water Heat Pump Water Heater AUTOMATIC DEFROST The Rheem Commercial Heat Pump installation can be The auxiliary heater should be set to 140°F (60°C). configured in a number of ways depending on the require- For most applications, automatic defrost should be satis- ments of the individual installation.

  • Page 58: Accessories

    Commercial Air to Water Heat Pump Water Heater ACCESSORIES Description Description Address Address 16292 DTGB165s 5/8" Liquid Line Drier 17535 TEMP. SENSOR (3435 10k 1%)TPE WIRE 1.5M 16293 DTGB164s 1/2" Liquid Line Drier 1 17536 TEMP. SENSOR (3435 10k 1%)TPE WIRE 3M 16490 CAPILLARY HOSE 2MM 078C500STEL 17537...

  • Page 59: Warranty

    Commercial Air to Water Heat Pump Water Heater CERTIFICATE OF LIMIT WARRANTY COMMERCIAL AIR TO WATER HEAT PUMP WATER HEATER For the Rheem, Ruud, Richmond, or Raypak Models listed in this Manual. GENERAL c) Damages, malfunctions, or failures resulting from im-...
  • Page 60 Rheem reserves the right to inspect, or require the return of, venient shipping location (selected by Rheem): such as a lo- the failed water heater or the defective component part(s).
  • Page 61 ABILITY This Limited Warranty is the only Warranty for this unit DO NOT RETURN THIS DOCUMENT TO given by the Water Heater Division of Rheem Manufac- RHEEM. turing Company. No one is authorized to make any other warranties on behalf of Rheem. ANY IMPLIED WAR-...
  • Page 62 Commercial Air to Water Heat Pump Water Heater NOTES...
  • Page 63 Commercial Air to Water Heat Pump Water Heater NOTES...
  • Page 64 TECHNICAL SUPPORT LINE Rheem: 800-432-8373 Raypak: 805-278-5300 ORDER CENTER Rheem: 1-800-621-5622 Raypak: 805-278-5300 RHEEM WATER HEATERS 800 Interstate Park Dr. Montgomery, AL 36109 Website: www.Rheem.com e-mail: Techserv@Rheem.com...

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