Electrical Power Draw; Transformer Wiring - Raypak 266A Installation And Operation Manual

8. Re-route all high-voltage wires and ground wires
through the left jacket side of heater.
9. Re-install P6 connector, ground wires (SPG),
transformer, junction box, front door, and plug right
side with the left side's grommet plug.
NOTE: 7/8" diameter holes not utilized on jacket and
control box can be used for fireman switch, auxiliary
control interface or power vent (D-2) wiring.

Electrical Power Draw

A
CAUTION: Heater must be electrically grounded and
bonded. Bonding lug is provided loose with the heater.
Install bonding lug on lower right or left side of jacket
as necessary for bonding the heater. Mounting hole is
provided on the jacket.
NOTE: Failure to ground the heater electrically could
affect the heater's electronics.
NOTE: See "Time Clock/Fireman's Switch" on page 31
for further instructions if using a time clock/fireman's
switch.
The Electronic Intermittent Ignition Device automatically
lights the pilot and main burners upon a call for heat. The
heater is supplied with a dual-voltage transformer for 120
VAC or 240 VAC input power hookup.
When operating on 120 VAC power, units draw 4 amps.
When operating on 240 VAC power, units draw 2 amps.
OPTION LOCATION
LEFT SIDE FIELD WIRING
BONDING LUG
(OPTIONAL
LOCATION)
Figure 36. Heater Wiring Locations

Transformer Wiring

120 VAC Wiring
For 120 VAC input power to the unit, connect the black
wire to the L1 or hot leg of the power supply. Connect the
white wire to the "Ret" or neutral leg of the power supply.
CONTROL BOX
(FACTORY MOUNTED
LOCATION)
SWAY BRACE
BONDING LUG
(STANDARD
LOCATION)
F10650
There should be no connection to the red wire for 120
VAC operation. Attach a wire nut to the red wire.
L1
RETURN
or
NEUTRAL
SUPPLY
SIDE
GROUND
Figure 37. 120 VAC Wire Connection
240 VAC Wiring
For 240 VAC input power to the unit, connect the black
wire to the "L1" or hot leg of the power supply. Connect the
red wire to the L2 or second hot leg of the power supply.
There should be no connection to the white wire for
240 VAC operation. Attach a wire nut to the white wire.
A
WARNING: DO NOT attempt to operate the heater
at 208 VAC.
HOT
L1
BLACK
HOT
L2
RED
SUPPLY
SIDE
GREEN
Figure 38. 240 VAC Wire Connection
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.)
A
CAUTION: If the transformer's primary side is wired
for 120 VAC and 240 VAC is applied, damage to the
transformer and PC board may result. Such damages
are not covered under manufacturer's limited warranty.
Input power to the heater (120 or 240 VAC) can
NOTE:
be supplied from the load (pump) side of time clock or
directly from the GFCI power source. It is preferred
that full-time power be supplied to the heater from
the GFCI power source, and that the heater be
controlled by the fireman's switch connection or
using a two or three-wire remote. If using a switched
GFCI power source, the heater could display false
service indicators on the display panel if the pump is
turned off.
HOT
BLACK BLACK
WHITE WHITE
HEATER
4 WIRES
GREEN GREEN
RED
BLACK
RED
HEATER
4 WIRES
GREEN
WHITE
23