Water Piping - Hayward HP50HA2 Installation And Operation Manual

DRAINAGE AND CONDENSATION: Condensation will be produced by the evaporator coil when the unit is heating water and drain at a steady rate, usually three
to five gallons per hour, depending upon ambient air temperature and humidity. The more humid the conditions, the more condensation will be produced. Use
the supplied condensate drain to route the condensate away from the unit and dispose appropriately. It is easy to mistake the condensation for a water leak
inside the unit. A way to verify that the water is condensation is to shut off the unit and keep the pool pump running. If the water stops running out of the base
pan, it is condensation collecting around the unit. A quicker way is to check the water for CHLORINE. If there is no chlorine present in the water around the
unit, then it's condensation.
ANCHORING: The heater is equipped for installation of anchoring screws when required by local codes. Follow all relevant Local, State and National require-
ments regarding wind load anchoring. When anchoring is required to secure the heat pump to concrete pad, use the specified hardware shown in FIGURE 4.
To complete the installation use the following:
Concrete tapping screws
Fender washers
FIGURE 4: Equipment Pad and Anchoring

WATER PIPING

GENERAL: The heater is for use with pool and spa/hot tub water furnished by municipal water distribution systems only. The use of mineral water, seawater
(PPM>5000), or other non-potable waters will invalidate the warranty. These heat pumps are designed for nominal water flows through the condenser. See
specifications for minimum and maximum flow requirements to ensure sufficient heat removal and water erosion of heat exchanger tubing. The minimum
flow rate is to be calculated or measured with the in-floor cleaning system in use, if the pool is so equipped, as well as any other jets or other demands on the
water flow. Flow rates above specified maximum will create excessive pressure drop through the condenser and require unnecessarily high pumping energy.
Bypass valve setting may be accomplished by temporarily installing a flow meter on the outlet line of the heater. Then adjust the manual bypass valve until the
flowrate through the heater is within the flow rate range specified. Once the manual bypass valve is set, note the position and remove the valve handle to pre-
vent accidental adjustment. Failure to install an External Bypass Assembly with flow rates above the specified maximum will void the warranty. Do not install
any restriction in the water pipe between the heater outlet and the pool with the exception of; three-way switching valve, in-line chlorinator and/or chlorinator
check valve as shown in figure5 below.
AUTOMATIC CHLORINATORS AND CHEMICAL FEEDERS: If used, a chlorinator must be installed downstream from the heater in the pool return line and at
a lower elevation than the heater as shown in Figure5. Install a separate positive seal corrosion resistant check valve between the heater outlet and the
chlorinator to prevent highly concentrated sanitizer from back siphoning into the heater. Back siphoning may occur when the pump is shut off and a pressure
differential is created.
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(FIELD SUPPLIED; Tapcons® stainless steel, qty (8), size to be ¼in diameter with a minimum length of 1-1/2in)
(FIELD SUPPLIED; stainless steel, qty (4), size to be 1-1/2in)
Min. Edge
Distance
3-1/2" Thick (Min.)
3000 PSI Fibermesh
Conc. Pad by Others
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
3"
(1) 1/4"x1-1/2" S.S.
Concrete Screw w/
S.S. Fender Washer
8 EA. Anchor Clamp
(4 Total)