aquatherm AT550 Installatiehandleiding - Pagina 8

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D. WINTERIZING PROCEDURES

2. HARD-FREEZE CONDITIONS

(Air temperature remains below 32ºf for more than 4-hours)

TO AVOID INJURY FROM ROTATING EQUIPMENT, DISCONNECT ELECTRICAL

POWER FROM HEAT PUMP BEFORE PROCEEDING WITH INTERNAL DRAIN

WINTERIZING PROCESS. FAILURE TO HEED THE FOLLOWING MAY RESULT

1. Disconnect all electrical power to the heater; turn off circulating pump.

2. At the two (2) connection unions, disconnect the plumbing to the heater (removal is

counterclockwise).

3. Locate the drain plug at outside, lower front of heater. (see ﬁgure 1)

If the unit does not have an external drain plug, remove the exterior front panel of the unit.The

internal drain plug is located at the base of the heat exchanger (see ﬁgure 2). Follow the same

procedure as with an external drain plug.

4. Using a 5/8", box-end wrench, remove the drain plug (removal is Counterclockwise).

5. Permit all water to drain from the condenser and then replace the plug: thread the plug in

clockwise until just snug, then apply an additional 1/8 turn.

6. To prevent insects and vermin 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.

7. Next season: to ready the heat pump for use, simply retighten plumbing connection unions.

Hand-tight is generally sufﬁcient.

FIGURE 1

EXTERNAL

DRAIN PLUG

E. ELECTRICAL CONNECTIONS AND WIRING

MAKE SURE TO TURN OFF ALL POWER TO UNIT INCLUDING POWER

TO POOL PUMP TIMER PRIOR TO MAKING ANY ELECTRICAL CON-

NECTIONS. SPECIFICATIONS ARE SUBJECT TO CHANGE. ALWAYS

REFER TO WIRING DIAGRAM LOCATED ON THE BACK OF THE UNIT'S

PLASTIC FRONT COVER AND DATA PLATE ON LEFT SIDE OF PLASTIC

FRONT PANEL.

1. SUPPLY WIRING 220V

• Remove plastic front panel from unit.

• Locate and remove electric box high voltage cover located on left side of electric box.

• Determine sealtight length and slip plastic adaptor over conduit. Run conduit and proper

WARNING !

IN PERMANENT INJURY OR DEATH.

FIGURE 2

INTERNAL

DRAIN PLUG