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Page 19
ENGLISH
Installation and Operation Manual
|
Jandy
®
LXi
™
Model Pool and Spa Heater by Zodiac
®
a trained service technician. Heat exchanger reversals
are generally done before the installation of power
and water to the heater. If you need to reverse the heat
exchanger on a previously installed heater be sure that
all electrical power, the gas supply and water supply
have been turned off before starting the procedure.
These instructions have been written to include the
steps needed when reversing the water connections on
an existing installation. If you are reversing the head-
ers on a new installation, some steps will be ignored.
Water connection reversal is illustrated in Figures 11
and 12. Proceed as follows:
1. For an existing installation, drain the heater by
removing the two (2) drain plugs on the inlet/out-
let header and the drain plug on the return header.
2. Remove the heater front panel (door).
3. Remove the I/O header side cover plates, top and
bottom. See Figure 13.
4. Remove the return header side cover plate. See
Figure 13.
5. Disconnect the blue "HiLimit" two-pin connector
from the Power Interface board in the raceway.
Clip any wire ties attached to the harness. Feed
the "HiLimit" two-pin connector and wiring back
through the way it is routed to the header so that
the harness hangs free from the header, outside of
the cabinet.
6. Disconnect the two (2) "WATER TEMP" tem-
perature sensor leads from the Power Interface
board in the raceway. Clip any wire ties attached
to the harness. Pull the wires out of the cabinet
so that they hang free from the header, outside of
the cabinet.
7. Disconnect the yellow "Water Press" two-pin
connector from the Power Interface board in
the raceway. Clip any wire ties attached to the
harness. Feed the "Water Press" two-pin connec-
tor and wiring back through the way it is routed
to the water pressure switch so that the harness
hangs free from the water pressure switch, out-
side of the cabinet.
NOTE
Be careful not to create any kinks in the water
pressure switch copper tubing when handling
the header.
8. For an existing installation, remove the coupling
nuts from the header and disconnect the water
supply from the heater.
9. Remove the 10 bolts and washers from the inlet/
outlet header and remove the header from the
tube assembly.
10. Remove the 10 bolts and washers from the return
header and remove the header from the tube
assembly.
11. For an existing installation, remove the tube
Figure 13. LXi Panel Identification
I/O HEADER SIDE
COVER PLATES
TOP AND BOTTOM
SIDE
SUPPORT
RETURN
HEADER SIDE
COVER PLATE
SIDE
LEFT
REAR
PANEL
TOP
PANEL
REAR VENT
COVER
VENT COVER
FRONT
PANEL
(DOOR)
DOOR
SUPPORT
SIDE
SUPPORT
SIDE
RIGHT
BASE
Figure 11. Water Connections as Shipped
Figure 12. Water Connections Reversed
DO NOT
INSTALL THE
INLET/OUTLET
HEADER
UPSIDE-DOWN
THE HIGH LIMIT
DEVICES
MUST
BE ON THE
BOTTOM