P-K Storm
TM
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: October 2, 2019
Released: October 2, 2019
Patterson-Kelley 2019
All Rights Reserved.
2691000099 P-K Storm Installation and Owners
Manual.docx
Page 15
Install Power Cord Seal (OUTDOOR BOILERS)
(Customer Supplied)
For this OUTDOOR boiler use water proof conduit and sealtight connectors to the boiler. Before starting
the boiler, check to ensure that the proper electrical service is connected to the boiler.
High Voltage (TB2) Terminal Block
HOT L1
– Connect the 1
st
hot lead of the 208-240VAC, single phase, 60Hz electrical service to the
TB2-1 terminal.
HOT L2
– Connect the 2
nd
hot lead of the 208-240VAC, single phase, 60Hz electrical service to the
TB2-2 terminal.
Be sure to check the
nameplate on the boiler
before connecting the
electrical supply.
N
OTICE
!
A dedicated earth ground
(green wire) is required to
avoid nuisance shutdowns.
Do not ground through the
conduit!
The high voltage (TB2)
terminal block on the STORM
with NURO controls contains
two hot leads (HOT L1 & HOT
L2), a neutral lead (NEUTRAL)
and a ground lead (GROUND)
for 208- 240 VAC, single
phase 60Hz electrical supply.
This terminal block (TB2) also
contains dry-contact relays
with a maximum voltage
rating of 120VAC and 1/2 Amp
maximum current capacity.
Incorrect wiring can result in
equipment damage, injury, or
death.
NOTE
Recommended to use 10 AWG
or 12 AWG for the Ground,
Neutral, Hot L2, and the Hot L1
Terminals
