Powermax Pm Standard Features 500-2000; Model Nomenclature - Pentair MegaTherm MT Manual

Commercial pool heaters 500-5000 mbtu/h; 500-2000 mbtu/h
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• Automatic bypass
• ASME 160 psi working pressure heat
exchanger
• ASME "H" stamp
• Flanged water connections
• Glass-lined cast iron headers
• External header gaskets
• 75 psi (817 kPa) ASME
rated pressure relief valve
• Flow switch
• Temperature and pressure gauge
1
2
3
P
M
P
SERIES
APPLICATION
PM =
P- POOL
POWERMAX
Pennant Option Descriptions
Code option J: for CSD-1, FM, IL (low water cutoff not included)
The changes made to the standard Pennant to achieve code option J are as follows:
• Adds manual reset high and low gas pressure switches
• Adds gas regulator
• Changes ignition control from the standard three-attempt to a single attempt
Kit for IRI:
This kit is added to a Pennant unit with code option J. In total, code option J with the IRI kit:
• Adds manual reset high and low gas pressure switches
• Adds safety valve with gas regulator
• Adds leak test valve for additonal safety
• Adds normally open vent valve
• Changes ignition control from the standard three-attempt to a single attempt
Code option L: for MN and LDS
Sizes 500 to 1000:
• Adds safety valve with regulator
• Adds high gas pressure switch
• Adds leak test valve
• Adds high and low gas pressure switches
6
Standard Features PowerMax PM (500-2000)
• Multiple operating gas valve/pressure
regulators
• Manual "A" gas valve
• Intake air filter
• Multiple, removable burner trays
• Stainless steel burners
• Built-in draft fan(s) for Category I or III
venting
• Air pressure switch
• Burner site glass
• 24V control system

Model Nomenclature

4
5
6
7
8
FUEL
SIZE
N-NATURAL
MBTU/h
P-PROPANE
0 5 0 0
0 7 5 0
1 0 0 0
1 2 5 0
1 5 0 0
1 7 5 0
2 0 0 0
Sizes 1250 to 2000:
9
10
11
A
C
C
LOCATION
ALTITUDE
0-10,000 ft
C- INDOOR
OUTDOOR
FIRING MODE
C- ON/OFF
• Adds solenoid safety valve
• Adds motorized safety valve with proof of closure
• Adds leak test valve
• 115/24VAC 75VA power from class 2
transformer
• Manual reset high limit
• Automatic reset high limit
• Electronic PID temperature control with
LCD and touchpad
• PC board for electrical connections
• Hot surface ignition
• On/Off toggle switch
• Pump time delay
• Diagnostic lights
• Convertible indoor or outdoor operation
• Bronze trim
12
13
14
2
REVISION
2- SECOND
HEAT EXCHANGER
B- GLASS LINED CAST IRON / COPPER /
BRONZE TRIM (Std)
K- BRONZE / COPPER
P- GLASS LINED CAST IRON / CuNi /
BRONZE TRIM
S- BRONZE / Cu-Ni
15
N
PUMP
N-NORMAL
OPTIONS
X-STANDARD
J-CDS-1, IRI
L-MN (indoor)

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Megatherm pm

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