Rheem Heat Pump Pool Spa Installation and Operation Manual

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INSTALLATION & OPERATING

INSTRUCTIONS

Heat Pump

Pool & Spa

Heater

Model Series 5350, 6350, 6350HC, 8350 & 8350HC

C

R

LISTED

US

FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of this or any other appliance. To do so may result in an explosion or fire.

NOTE: The instructions in this manual are for the use of qualified individuals specially trained and experienced in the installation and maintenance of this type of equipment and related system components. Installation and service personnel are required by some states to be licensed. Persons not qualified shall not attempt to install, service, or maintain this equipment.

This manual should be maintained in legible condition and kept adjacent to the heat pump pool heater or in a safe place for future use.

Catalog No. RM6000.552E

Effective: 06-28-13

Replaces: 11-23-10

P/N 241380 Rev. 6

 

 

 

92-103778-01-06

Rev. 6 reflects the following:

Changes to: Installation Considerations on pages 6-7, High Wind Installation diagram on page 8, ableT C on page 16, Wiring diagrams on pages 21-24.

Additions: Wiring diagram on page 25.

Deletions: None.

2

Water Chemistry

(Corrosive water voids all warranties)

For your health and the protection of your pool equipment, it is essential that your water be chemically balanced. The following levels must be used as a guide for balanced water.

 

 

 

 

Recommended Level(s)

Fiberglass Pools

Fiberglass Spas

Other Pool & Spa Types

 

 

 

 

Water Temp. (Deg. F)

68 to 88

89 to 104

68 to 104

 

 

 

 

pH

7.3 to 7.4

7.3 to 7.4

7.6 to 7.8

Total Alkalinity (PPM)

120 to 150

120 to 150

80 to 120

 

 

 

 

Calcium Hardness (PPM)

200 to 300

150 to 200

200 to 400

 

 

 

 

Salt (PPM)

4500 MAXIMUM

4500 MAXIMUM

4500 MAXIMUM

 

 

 

 

Free Chlorine (PPM)*

2 to 3

2 to 3

2 to 3

 

 

 

 

Total Dissolved Solids (PPM)

3000 MAXIMUM**

3000 MAXIMUM**

3000 MAXIMUM**

*Free Chlorine MUST NOT EXCEED 5 PPM!

** In salt water chlorinated pools, the total TDS can be as high as 6000ppm.

• Occasional chemical shock dosing of the pool or spa water should not damage the heater providing the water is balanced.

• Automatic chemical dosing devices and salt chlorinators are usually more efficient in heated water. Unless controlled, they can lead to excessive chlorine level which can damage your heater.

• Further advice should be obtained from your pool or spa builder, accredited pool shop, or chemical supplier for the correct levels for your water.

3

CONTENTS

Water Chemistry

Warnings

Pay Attention to These Terms

Introduction

Installation Considerations

Electrical Connections

Water Connections

Pressure Drop

Controls & Indicator Lamps

(Analog Models)

System Start-Up

Controls (Digital Models)

Digital Controls Operating

Instructions

To Select Pool or Spa Mode

To Increase the Desired Water Temperature (Pool or Spa Mode)

To Lower Desired Water Temperature (Pool or Spa Mode)

To Select Temperature in °C or °F

Heat/Cool Operation

(Model 6350HC Only) System Start-Up Seasonal Start-Up or Annual Check Summer Shutdown Freeze Protection

System Drain-Down

Continuous Pump Operation

Maintenance

Air Coil Cleaning

Cabinet Care (optional)

Unplug Condensation Drain Holes

3

Troubleshooting

5

Service Call Verification

5

Power Supply

6

Water Flow

6

Time Clock Adjustment

7

Plumbing Diagrams

9

Wiring Diagram — 208V/230V

9

Single-Phase — Analog Models

 

Wiring Diagram — 208V/230V

10

Single-Phase — Digital Models

11

Wiring Diagram — 208V/230V

11

Three-Phase — Analog Models

 

Wiring Diagram — 208V/230V

12

Three-Phase — Digital Models

12

Wiring Diagram — 460V

12

Three-Phase — Analog Models

Installing a Remote Control

 

Device

12

Wiring

12

Heater Settings

12

 

13

 

13

13

13

13

13

14

14

14

14

14

15

15

15

15

17

21

22

23

24

25

26

26

26

4

Warnings Pay Attention to These Terms

 

 

DANGER:

Indicates the presence of immediate hazards which will cause severe personal injury, death

or substantial property damage if ignored.

 

 

 

WARNING:

Indicates the presence of hazards or unsafe practices which could cause severe personal

injury, death or substantial property damage if ignored.

 

 

 

CAUTION:

Indicates the presence of hazards or unsafe practices which could cause minor personal

injury or product or property damage if ignored.

 

 

 

NOTE:

Indicates special instructions on installation, operation, or maintenance which are important

but not related to personal injury hazards.

 

 

 

This manual, as well as the pool/spa heat pump pool heater itself, contains ANSI-approved product safety signs and labels. Please read these signs and labels, as they convey important safety information about hazards that may be potentially present in and around the heat pump pool heater.

CAUTION: Elevated water temperature can be hazardous. The U.S. Consumer Product Safety Commission has these guidelines:

1.Spa water temperatures should never exceed 104°F (40°C). A temperature of 100°F (38°C) is considered safe for a healthy adult. Special caution is suggested for young children.

2.Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning.

3.Pregnant Women Beware! Soaking in water over 102°F (39°C) can cause fetal damage during the first three months of pregnancy resulting in the birth of a brain-damaged or deformed child. Pregnant women should stick to the 100°F (38°C) maximum rule.

4.Before entering the spa or hot tub, users should check the water temperature with an accurate thermometer; spa or hot tub thermostats may err in regulating water temperatures by as much as 4°F (2.2°C).

5.Persons with a medical history of heart disease, circulatory problems, diabetes, or blood pressure problems should obtain a physician's advice before using pools or hot tubs.

6.Persons taking medications which induce drowsiness, such as tranquilizers, antihistamines, or anticoagulants, should not use spas or hot tubs.

CAUTION: Improper chemical content in a swimming pool or spa can damage the heat pump pool heater. DO NOT add pool chemicals to the skimmer. This will damage the heat pump pool heater and could void the heat pump pool heater warranty. ALWAYS follow the product manufacturer’s directions when adding any chemicals to your pool.

WARNING: These heat pump pool heaters are charged with R-410A refrigerant. Ensure that all service work is done with gauges and equipment suitable for R-410A.

5

Introduction

WARNING: This pool/spa heat pump pool heater is an electromechanical machine that incorporates a pressurized refrigerant gas in a sealed system. ONLY trained and qualified service personnel are authorized to install or service this equipment. Without proper training and knowledge of such equipment, any attempt to install or service the unit could result in serious injury or even death.

This manual contains important information on the use, maintenance and troubleshooting of your new heat pump pool heater. This unit must be properly installed, maintained and operated for optimal performance.

This heat pump pool heater is an extremely efficient, economical machine designed specifically for swimming pool heating. It is similar in design and operation to a typical residential air conditioning system. The unit employs a hermetic motor/compressor operating in a refrigeration cycle to extract heat from ambient air and deliver it to the circulating pool water.

As with all heat pump pool heaters, compared to other types of heaters such as gas or oil-fired, this heat pump pool heater has lower heating capacity on a BTUH/hr basis. As a result, it will be required to operate longer to accomplish the desired results. It may, at certain times, operate as much as 24 hours per day. However, this should not be of concern to the owner, because the unit is designed to operate continuously. Even though it may operate continuously for many hours, it will still heat the pool with greater economy than other types of fossil fuel heaters.

Place a cover or blanket over the pool at night and other non-use periods. This will keep evaporation, the cause of main heat loss, to a minimum, and will greatly reduce pool heating costs. During warmer weather, the cover may be required only at night.

Installation Considerations

WARNING: Do not install the unit within 3 ft of fossil fuel burning heaters. Air intake along the sides of this heat pump pool heater could disturb the combustion process of the unit, and could cause damage or personal injury.

• Mount the unit on a level, sturdy base, preferably a concrete slab or blocks. The size of the base should be at least 3 ft by 3 ft.

• You must install the 4 black rubber sound isolation pads (each 2 inches square) that ship with the unit. The pads are shipped in a bag with the unions, gaskets and the I&O manual. Install pads under the 4 corners of the unit to reduce vibration and sound transmission to the base.

CAUTION: The unit’s supporting base must be high enough to keep it completely free of standing water at all times.

Situate the heat pump pool heater carefully to minimize installation costs while providing maximum efficiency of operation, and to allow adequate service access, as follows:

For unrestricted air intake and service access, position each side of the unit at least 1 ft (30 cm) from walls, pipes and other obstructions.

WARNING: This unit is designed for outdoor installation; DO NOT install it in an enclosed area such as a shed or garage.

Recirculation of cold discharge air back into the evaporator coil will greatly reduce the unit’s heating capacity and efficiency.

This unit features an ‘up-flow’ discharge for quiet operation. Air is pulled up through the evaporator coil and discharged through the top grill. Allow at least 5 ft (1.5 m) clearance above the unit for unrestricted air discharge. DO NOT install the unit under a porch or deck. Refer to Fig. 1.

To minimize water piping, locate the unit as close as possible to the existing pool pump and filter.

If the location of the heat pump pool heater is below the water line of the pool, the water pressure switch might need to be adjusted or an external water flow switch might be needed.

6

 

 

 

60”

 

 

 

MIN

 

3 FT

AIR FLOW OUT

12”

 

 

 

MIN

 

MIN

GAS

AIR

 

AIR

FLOW

 

FLOW

HEATER

 

IN

 

IN

 

 

 

 

 

 

 

Fig. 1: Installation Clearances

• Irrigation water should be directed away from the

All wiring must be in accordance with the National

heat pump pool heater-water spray can damage

Electrical Code, NFPA No. 70, latest edition, and all

the heat pump pool heater.

applicable state and local codes. Wiring diagrams are

• Rain water run offsthe heat pump pool heater

located on pages 21 through 26.

 

 

can withstand normal rain. Install rain gutters to

NOTE: Refer to the National Electrical Code, Article

prevent direct steams of rain water to the heat

680, for general requirements for swimming pools

pump pool heater.

and equipment, and to Article 440 for special consid-

 

 

erations necessary for circuits supplying hermetic

• It is important to keep the area next to the heat

refrigeration motor/compressors.

pump pool heater clear of shrubs, bushes and

 

 

 

 

chemicals containers. They could prevent air from

• Locate the equipment disconnect means within 3

circulating fully through the heat pump pool heater,

feet of the heater’s electrical enclosure, or as

and will affect the operation of the heat pump pool

close to the heater as possible. Always satisfy

heater or damage the heat pump pool heater.

applicable codes and standards.

• When installed in areas where freezing tempera-

• In sizing power wiring, be especially aware of up-

tures can be encountered, drain the water circuit

sizing requirements necessary due to wiring

to prevent possible freeze-up damage. See the

distances. Always satisfy applicable codes and

Freeze Protection Section.

standards.

• For high wind installation requirements, refer to

• Electrical installation should be done by a licensed

the diagram on page 8.

electrician only.

Electrical Connections

This unit is pre-wired to work with external control sys-

 

 

tems, heat-on-demand options and other external time

Refer to the unit rating plate below the control panel for

clock overrides. Refer to the external control system’s

instructions, and page 27 of this manual, for installa-

precise power requirements for your unit, and for

tion information.

ampacity and over-current protection requirements.

 

7

Rheem Heat Pump  Pool  Spa Installation and Operation Manual

THIS DRAWING USED AS A GRAPHICAL REPRESENTATION ONLY AND IT

MAY NOT APPEAR EXACTLY LIKE YOUR SPECIFIC UNIT.

PAD SPECIFICATION:

GREATER THAN OR EQUAL TO 4” THICK SOLID CONCRETE 3000 P. S. I. OR GREATER LOAD RATING

PAD LENGTH GREATER THAN OR EQUAL TO UNIT LENGTH +6”

PAD WIDTH GREATER THAN OR EQUAL TO UNIT WIDTH +6”

8

186 MPH, 3 SEC. GUST IN ACCORDANCE WITH: ASCE 7-2010 CHAPTER 30 WIND LOADS - COMPONENTS AND

FLORIDA BUILDING CODE 2010 - SECTION 1609 WIND LO FLORIDA BUILDING CODE 2010 - SECTION 1620 HIGH VELOCITY HURRICAN

MINIMUM 18 GA. X 5” WIDE GALV. STEEL STRAP (G90) OR EQUIVALENT (MIN. QTY. OF 4 STRAPS) WITH (3) 1/2” LONG #12 SELF DRILLING SCREW EACH STRAP (MIN. 1000 HR. COATING)

C

L

UNIT

COVERED UNIT

 

 

 

HEIGHT BETWEEN

 

 

 

37-1/2” - 49-3/4”

(4) VIBRATION ISOLATION

 

 

NOT INCLUDING

PADS TYP. EA. CORNER

 

 

ISOLATOR PADS

 

CONCRETE PAD

(2) 1/4” CONCR

 

 

(SEE PAD SPECS.)

LENGTH TO

 

27” MIN

 

2-3/8” M

 

 

 

 

32” MAX

HIGH WIND LOAD RESTRAINT DETAIL 1

 

RESTRAINT

 

 

 

 

SPACING

 

 

 

2-1/2” MIN.

 

 

 

SPACING TYP.

 

 

 

 

 

 

Model No.

VAC in - Phase - Hz

Minimum Circuit

Maximum Breaker

Ampacity (A)

Size (A)

 

 

 

 

 

 

5350

208/230 - 1 - 60

40.0

60

 

 

 

 

6350/6350HC

208/230 - 1 - 60

42.0

60

 

 

 

 

8350/8350HC

208/230 - 1 - 60

42.0

60

 

 

 

208/230 - 3 - 60

34.0

50

 

 

 

 

 

 

Table A: Typical System Electrical Power Requirements

 

Water Connections

CAUTION: The heat pump pool heater inlet and outlet connections are NOT interchangeable. They must be connected as instructed below.

1.Connect the heat pump pool heater in the return water line between the filter and the pool/spa. See the Plumbing Diagrams beginning on page 16.

2.Connect the filter outlet to the fitting marked WATER IN at the bottom front of the unit.

3.Connect the fitting marked WATER OUT to the return piping to the pool/spa. Unit inlet/outlet connection fittings are 2-inch PVC unions.

Water connections from the unit to the main return line can be PVC pipe or flexible pipe approved for the purpose and, in either case, should be at least equal in size to the main pool/spa circulation piping.

WATER IN

WATER OUT

Fig. 2: Water Connections

4. In cold weather (freeze zone) areas, shutoff valves (ball or gate type) must be installed at the unit inlet and outlet to facilitate service and cold weather drain-down.

5. Operate the pump and check the system for leaks.

Pressure Drop

For system pressure drop information, refer to Table B below.

 

 

 

 

Flow

 

Pressure Drop (psi)

 

 

 

 

(gpm)

5350

6350/6350HC

8350/8350HC

 

 

 

 

 

30

4

6

9

 

 

 

 

40

7

9

9

 

 

 

 

50

10

10

10

 

 

 

 

60

11

11

11

 

 

 

 

70

12

12

12

 

 

 

 

80

13

13

13

Note: Multiply the pressure drop in psi by 2.3067 to yield the pressure drop in Ft. H2O Head (TDH).

Table B: Pressure Drop Across Heat Pump Pool Heater

9

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