Water Connections, Plumbing layout | Pentair ThermalFlo manual

Anchor Clamp(s) Installation, continued

6.	Drill a hole in the cement using a masonry drill bit, with a
	diameter as determined by the concrete anchor, at each of the
	marksontheequipmentpad.Theholeshouldbeapproximately
	1½ in. deep.
7.	Insert a bolt anchor into each of the holes. Be sure the anchors
	are set completely into the holes
8.	Position the anchor clamps so that the holes in the clamps are
	overtheboltanchors.Besurethattheclamphooksareoverthe
	lip of the heat pump base, see Figure 5.

AIR

COIL

HEAT PUMP

BASE

AIR COIL GUARD

1-3/8" HEX BOLT (installer provided)

HEAT PUMP

ANCHOR CLAMP

BOLT ANCHOR

(installer provided)

9. Insert an anchor bolt through each clamp into the anchor and

tightentosecuretheclampandheatpumptotheequipmentpad.

CONCRETE

EQUIPMENT PAD

Figure 5.

Water Connections

Plumbing layout

See Figure 6, illustrating the standard plumbing layout with a single heat pump unit. Following the diagram from right to left, the plumbing sequence is as follows:

Pool > Skimmer and Main Drain > Pool Pump > Filter > Heat Pump > Check Valve > Chemical Loop > Chlorinator > Pool

NOTE: For normal installations, do not install a shut-off valve or any kind of variable restriction in the water piping between the heat pump outlet and the pool/spa.

The heat pump must be protected from back-siphoning of water. If there is any chance of back-siphoning, provide a check valve between the pool and the heat pump outlet. Arrangement of pool system components other than as illustrated in Figure 6. and the following diagrams can affect the operation of the heat pump’s water pressure switch. Location of the heat pump above or below the pool water surface can also affect operation of the switch. In general, the pressure switch can be adjusted to accommodate this effect if the heat pump water connections are no more than six (6) feet below the pool water surface or no more than fifteen 15 feet above it. See instructions for pressure switch adjustment (page 20) in the heat pump start-up section of this manual for more information. If the heat pump is installed outside of this range, an external pressure switch may need to be installed in the plumbing upstream of the heat pump. Call the Pentair Water Heat Pump Technical Service department at (800) 831-7133 for details.

Be advised that when pool equipment is located below the pool surface a leak can result in large-scale water loss or flooding. Pentair cannot be responsible for such water loss or flooding or the damage caused by either occurrence.