Aquacal H/AT100R - Manual (Page 27)

27
Winterizing a Heat Pump Equipped with an External Drain
(Continued)
While the plumbing connections are in the winterized condition (not fully tightened), it is imperative pool/
spa water not be circulated through the heat pump. Loss of water through loose plumbing connections
may result in damage to circulating pump, pool-spa structure, and/or other equipment.
Failure to heed the following can result in damage to equipment
and/or property.
CAUTION !
External Winterizing Drain
FIGURE 3