16
Installation Instructions—240 Volt
1. Disconnect and remove 120 volt power cord.
2. Install wire nut on white transformer wire.
3. Wire nut 240 volt supply lines to the red and black
wire on the transformer.
4. Wire nut green supply ground line to green trans-
former wire
CAUTION:
This heater has provisions to be
connected to an alternate supply source. To reduce
the risk of electric shock, disconnect all connections
before servicing.
240V HOOK-UP
HEATER
L1
L2
RED
RED
BLACK
HOT
HOT
BLACK
GREEN
GREEN
WHITE
SUPPLY
SIDE
Fig. 16: 240V Hook-Up
Heat Exchanger Pressure Drop
Table
Electrical Connections
Be sure that electrical service to the heater has prop-
er overload fuse or circuit breaker protection, wire size
and connections which comply with all applicable
codes.
If any of the original wire as supplied with the appli-
ance must be replaced, it must be replaced with type
302°F (150°C) wire or its equivalent.
Si un des fils original fourni avec l'appareil doit être
remplacé, utilisez un fil 302°F (150°C), ou l'équivalent.
The heater comes standard with a 120 VAC 3-prong
power cord. For 240 VAC applications, see figure 18.
Power source must be a wired ground, with ground
fault circuit interruption circuitry.
Flow (GPM)
Pressure Drop (ft of Head)
20
7.6
30
8.2
40
8.7
50
9.3
60
9.8
70
10.4
Table I: Pressure Drop
The heater must be electrically grounded and bonded
in accordance with local codes, or, in the absence of
local codes, with the latest edition of the National
Electrical Code, ANSI/NFPA 70. (Canada - Canadian
Electrical Code, CSA C22.1, Part 1 and Part 2.)
Fig. 15: Electronic Heater Power
NOTE:
Input power to the heater (120 VAC) can be
supplied from the load (pump) side of time clock or
directly from the GFCI power source. It is preferred
to make connection to the load/pump side of the time
clock.
WARNING:
Risk of electrical shock
. More than
one disconnect switch may be required to de-
energize the equipment before servicing.
CAUTION:
Label all wires prior to disconnection
when servicing controls. wiring errors can cause
improper and dangerous operation.
ATTENTION.
Au moment de l'entretien des
commandes, étiquetez tous les fils avant de les
débrancher. Des erreurs de câblage peuvent
entraîner un fonctionnement inadéquat et
dangereux.
Summary of Contents for 106
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