Specifications

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Installation and Operation Manual
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Legacy™ Model LRZM Pool/Spa Heater
3. A noncombustible platform for installation
on combustible surfaces (see Section 2.5.3).
Noncombustible bases are available from your
Zodiac distributor.
4. A factory approved vent cap for all outdoor
installations where wind conditions may cause
downdrafting. Approved vent caps are available
from your Zodiac distributor. See Section 12.2,
"Parts List", of this manual for the correct part
number.
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1. Installation Location:
Certied for use:
Natural Gas: Indoor and Outdoor
LPG: Outdoor Only
Refer to Table 1.
2. Minimum Clearance From Combustible Material
See Table 4.
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The Legacy Model LRZ millivolt heater perfor-
mance specications are shown in Table 2.
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See Figure 1 for a diagram showing the heater's
exterior dimensions and dimensions to critical connec-
tions on the heater.
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This product must be installed and serviced by a
contractor who is licensed and qualied in pool
equipment. Improper installation or maintenance
can cause nausea or asphyxiation from carbon
monoxide in ue gases which could result in severe
injury, or death. For indoor installations, as an ad-
ditional measure of safety, Zodiac strongly recom-
mends installation of suitable Carbon Monoxide
detectors in the vicinity of this appliance and in any
adjacent occupied spaces. The heater may only be
installed in a room which complies with the appro-
priate ventilation requirements and which is sepa-
rate from living areas.
Install the Legacy Model LRZ millivolt heater,
vent caps and draft hoods in accordance with the
procedures in this manual, local codes and ordinances,
and in accordance with the latest edition of the appro-
priate national code (see Section 1.4 "Codes and
Standards").
All gas-red products require correct installation
to assure safe operation. The requirements for pool
heaters include the following:
1. Field assembly (if required)
2. Appropriate site location (clearances) and ooring
3. Sufcient combustion and ventilation air
4. Properly sized gas meter and piping
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LRZ
125 175 250 325 400
Water Capacity (L) 0,81 0,95 1,16 1,35 1,57
Minimum Water Flow (l/min) 75,7 75,7 94,6 113,6 113,6
Maximum Static Head (bar) 5,1 5,1 5,1 5,1 5,1
Maximum Outlet Temp (C) 40 40 40 40 40
Dry Weight (kg) 60 67 78 88 100
Gas Connection 3/4 in Bsp
(Rc 3/4)
3/4 in Bsp
(Rc 3/4)
3/4 in Bsp
(Rc 3/4)
3/4 in Bsp
(Rc 3/4)
3/4 in Bsp
(Rc 3/4)
Water Inlet Connection 2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
Water Outlet Connection 2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
2" unthreaded PVC
or CPVC
Electrical Supply
220-240VAC, 50 Hz,
5 Amps Max
220-240VAC, 50 Hz,
5 Amps Max
220-240VAC, 50 Hz,
5 Amps Max
220-240VAC, 50 Hz,
5 Amps Max
220-240VAC, 50 Hz,
5 Amps Max
IP Rating IPX4
Flue Types Flue Type A (Flueless) for Outdoor Installations Only
Flue Type B11 (with Vent Cap for High Wind Areas) For Outdoor Installation Only
Flue Type B11 (with Draft Hood) for Indoor Installation Only
Appliance Category:
Natural Gas I2H
LPG I3P
Inlet Pressure (mbar)
Natural Gas G20
LPG G31 @ 37 mbar
Note: The LPG heat inputs apply up to an altitude of 600 m. Above this altitude, de-rate the heat input by 4% for every 300 m.