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3.5.7 Filling Pool Water Side of System
Before filling the system, ensure all the mechanical connections are complete. Also, refer to the P-K
®
MACH
CM300 through C1050 NURO installation and operation manual to ensure the appliance's
pressure relief valve is installed correctly.
STEP 1 – Remove either the front or left panel from the P-K MACH 'n' Roll
better access to the fill valve assembly isolation valve. (750 & 1050 models)
STEP 2 – Close both manual isolation valves included on the pool piping.
STEP 3 – Close the manual isolation valve ahead of the fill valve assembly.
STEP 4 – Close any drain valves on the appliance and pool piping.
STEP 5 – Open the cap on the automatic air vent in the appliance piping.
STEP 6 – Open the stem of the appliance's safety relief valve.
STEP 7 – Open the manual isolation valves in the pool piping. This will fill the pool side of the
heat exchanger with water.
STEP 8 – Open the manual isolation valve ahead of the expansion tank/fill valve assembly. This
will fill the appliance side of the heat exchanger with water.
STEP 9 – When water escapes from the appliance's safety valve discharge, close the stem of the
safety relief valve.
STEP 10 – Check for any leaks in the appliance piping, especially at the Victaulic couplings as
these may have loosened during shipment. Tighten or reseat the connections if necessary.
STEP 11 – Check for any leaks in the pool piping, especially at the union ball valves and fittings
near the heat exchanger which may have loosened during shipment. Tighten or reseat the
connections if necessary.
3.6 Electrical Connection
Only after all the mechanical connections have been completed and verified should any electrical
connection be made. The P-K MACH 'n' Roll
applications, so the electrical connections may need to be modified depending on the application.
Please refer to
Section 6.1
electrical supply.
NOTICE! A dedicated earth ground (green wire) is required to avoid nuisance shutdowns. Do not
ground through the conduit.
Revised: January 3, 2020
Released: January 3, 2020
™
system can be configured to operate in several
for a wiring diagram of the P-K MACH 'n' Roll
Be sure to check the nameplate on the equipment before connecting
Patterson Kelley 2020
All Rights Reserved.
®
P-K MACH
Gas Fired Appliance
Technical Service 1.877.728.5351
™
system to provide
™
system.
1004905989 MnR & MnRP 300-399-500-750-
1050 NURO Rev C (Jan-2020).docx
Page 21
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