Zodiac Legacy LRZ, Installation And Operation Manual

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page 16 enGlisH
Legacy™ Model LRZM Pool/Spa Heater
|
Installation and Operation Manual
Water connection reversal is illustrated in Figures
8 and 9. Proceed as follows:
1. For an existing installation, drain the heater by
removing the two (2) drain plugs on the inlet/
outlet 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 10.
4. Remove the return header side cover plates, top
and bottom. See Figure 10.
5. Tag and disconnect the black high limit wire
leading to the pressure switch (PS) and the black
wire on the Fireman's switch terminal which
leads to the high limit switch.
6. Remove the water temperature sensor nut from
the inlet/outlet header and remove the sensor.
7. Tag and disconnect the black and white wires
from the water pressure switch.
Caution
In order to prevent property damage or injury, en-
sure that the wiring is handled and routed carefully
so as not to cause any damage to it. Additionally, 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
gaskets and clean the header's mating surface of
any corrosion or debris. Replace the tube gaskets
with new ones. Do not use any metal tools on the
header surface. Scratches may compromise the
seal integrity.
WarninG
To avoid product failure which can cause property
damage, serious personal injury or death, install the
inlet/outlet header with the high limit devices on the
bottom.
REAR PANEL
TOP PANEL
LEFT SIDE PANEL
RETURN HEADER SIDE
COVER PLATES
TOP AND BOTTOM
FRONT PANEL
(DOOR)
CONTROL PANEL
BASE
VENT TOP
RIGHT SIDE PANEL
IN/OUT HEADER
SIDE COVER PLATES
TOP AND BOTTOM
Figure 10. Legacy Panel Identification
Figure 8. Water Connections as shipped
NOTE: When reversal
is complete the water
temperature sensor
wires and the syphon
loop tube will exit the
inlet/outlet header at
the back of the heater
and the drain plugs are
facing down.
Bypass
Assembly
DO NOT
INTALL THE
INLET/OUTLET
HEADER
UPSIDE-DOWN
®
THE HIGH LIMIT
DEVICES MUST
BE ON THE
BOTTOM
Figure 9. Water Connections reversed