P/N S794
Rev. B 6-23-08
2 8
ELECTRICAL CONNECTIONS
Electrical Rating
60 Hz 120 / 240 Volts AC, single phase
Enclose the line to the heater in an approved flexible conduit connected directly to the junction box on the inside of the
access door panel. Line voltage field wiring should be 14 gauge, with a circuit capacity of 15 amps.
CAUTION
This heater is designed to operate at 120 or 240 VAC. It is not recommended to be connected to OR operate on a 208 VAC.
NOTE
• This heater is configured for a 240V application. If it is to be installed in a 120V application, remove the jacket halves,
open the control box, remove the 240V plug from the receptacle and replace it with the 120V plug. The 120V plug is
located within the control box. This procedure is to be performed prior to making any electrical connection to the heater.
• If any of the original wiring supplied with this heater must be replaced, installer must supply (No. 18 AWG, 600V, 105° C.
U.L. approved AWM low energy stranded) copper wire or it’s equivalent.
CAUTION
The heater ships from the Factory with the 240V plug installed. Installing the 120V plug and then connecting the
heater to 240V line current will immediately destroy the transformer, control board and ignition control module, and
will void warranty. If you install the 240V plug and connect the heater to 120 volts line current, the heater will not
operate.
Please read the boxes headed
“IMPORTANT! READ ME FIRST!”
on
pages 37
and
41
before proceeding.
1. All wiring must be in accordance with all applicable codes.
2. The heater, when installed, must be electrically grounded and bonded in accordance with local codes or, in the
absence of local codes, with the National Electrical Code or the Canadian Electrical Code (as applicable). A bonding
lug is provided on the outside of the panel under the vent for this purpose.
3. Electrical power circuits to the pool heater must follow local codes and National Electrical Code or Canadian Electrical
Code (as applicable).
4. All wiring between the heater and devices not attached to it, or between separate devices which are installed in the
field, must be “Type T” wire rated for 35°C rise.
5. All line voltage wiring shall be enclosed in approved flexible conduit, and shall be securely attached to the field wiring
box located inside the access door panel. The conduit or cable connector at the field wiring box should contain an
insulating bushing or its equivalent to prevent abrasion of the wires as they enter the box.
6.
The filter pump should run continuously when the heater is on, and for at least 15 minutes after the heater
turns off.
Any switches in the pump circuit (including
circuit breakers) that can disconnect the pump must
also disconnect the heater.
7. Do not wire single-pole switches, including protective
devices, into a grounded line. The heater is not sensitive
to polarity.
Connect the
L1
of the power supply to the
black
wire, the
L2
or neutral lead to the
red
wire, and the
ground
wire to
the
green
wire. A time clock controlling the filter pump
should have a low-voltage Fireman’s Switch that switches
off the heater at least 15 minutes before shutting off the
pump, see
Figure 23
.
Always use crimp type connectors when connecting
two wires.
Section 2. Installation
Wire into bottom
of Junction-box
in Flexible Conduit
Wiring Harness
to Control Box
120/240V:
Black
to Black (L1)
120V:
White to Red (L2) or
240V:
Red to Red (L2)
Choose correct plug to match
incoming voltage (120 or 240V)
Green (Ground)
to
Green (Ground)
Bonding Wire
Bonding
Wire
Bonding Lug
View From Below
(Exterior)
View From Above
(Interior)
Cutout for
Conduit from
Fireman's Switch
Figure 23.
Содержание Max-E-Therm
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