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5. Replace the winterizing plug; thread the plug in clockwise until just snug,

then apply an additional 1/8 turn. To prevent insects and critters from entering

the plumbing during the winterized period, partially reconnect the two (2)

plumbing connection unions: couple each union one or two threads; this will

permit condensation to drain, but will prevent most insects and animals from

entering the plumbing circuit.

6. Next Season: To ready the heat pump for use, simply retighten plumbing

connection unions. Hand-tight is generally sufficient.

RECOMMENDED ANNUAL MAINTENANCE

TO INCLUDE:

3 Clean all drains

3 Oil fan motor (if needed)

3 Inspect and clean coil

3 Check all electrical components

3 Check all relays for proper operation

3 Check and adjust water flow

3 Check water pressure controls

3 Check operation of thermal expansion valve

3 Check refrigerant levels

3 Check all incoming voltages

3 Check compressor starting and running amps

3 Check fan motor running amps

3 Check circulating pump running amps

3 Check air temperature differential

3 Check water temperature differential

3 Check pool chemical levels

3 Calibrate thermostat

Annual maintenance should be performed starting one year

after the installation of the heater.

Call Aquatherm Customer Service at 239-482-0606

for recommendation of service company in your area.

HEATING QUICK START AND STOP

1. Verify Electrical Power is Present at Heater:

A. Ensure that the unit has electrical power connected; the heater controller

display should be illuminated.

B. If the display is blank, be certain the electrical breaker, and heater disconnect,

are switched to "ON."

C. For now, leave the water circulation pump OFF.

2. Set the Heater Controls (Refer to Control Panel Layout, page 4)

If heater is connected to a Call-Flex controller, please reference installation

manual for details.

A. The user/owner settings can be made without water flowing. Once the

heater has electrical power connected, with water not flowing, the display

should read FLO.

B. Press the MODE button until the HEAT (HEA) indication displays. This

will enable the remaining programming keys.

C. Using the POOL / SPA selector key, select the POOL mode. An illuminated

POOL indicator light, located on the left side of the display, will confirm the

POOL control has been selected. If heating only a spa, using the DOWN

arrow key, lower the POOL temperature until OFF is displayed; then proceed

to Step-"E."

D. Use the UP / DOWN arrow keys to set the desired water temperature for

the POOL water.

E. If the heat pump will be used to heat a spa, use the POOL/SPA selector key

to select SPA, then use the UP / DOWN arrow keys to set the desired water

temperature for the SPA. An illuminated SPA indicator light, located on

the left side of the display, will confirm the SPA control has been selected.

If heating only a POOL, using the DOWN arrow key, lower the SPA

temperature until OFF is displayed.

F. The heat pump controls are now set to maintain the desired water temperature

for the POOL and/or SPA.

3. To Begin Heating:

A. Verify MODE is set to: HEAT (HEA); then, depending on which body of

water is to be heated, use the POOL / SPA selector key to select POOL or

SPA.

B. Position water valves to flow water from the pool or spa, through the

heater, and back to the pool or spa.

C. Start the water pump; the fan will start, and after 4-minute time delay the

unit will begin heating. The selected body of water will be brought to