Raypak C-R185B, Installation And Operating Instructions Manual

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24
Option Location For Left
Side Field Wiring
Sway
Brace
Bonding Lug
(Standard Location)
Bonding Lug
(Optional Location) Fig. # 9470
Control Box
(Factory Mounted Location)
LOW NOx
Wiring locations
ATMOSPHERIC
Wiring locations
Fig.# 9366.1
ELECTRICAL WIRING
NOTE : If it is necessary to replace any of the original
wiring, it must be replaced with 105° C wire or its
equivalent, and/or 150° C wire or its equivalent as
originally built.
MILLIVOLT SYSTEM
The Millivolt System residential heater is equipped with a
self-generating electrical system in which the electric
current is provided by means of a pilot generator. No
external electrical connections are required.
When installing a remote switch, do not exceed 10 feet
of wiring from the heater. Use 18 gage stranded wire.
ELECTRONIC
INTERMITTENT IGNITION DEVICE SYSTEM (IID)
The standard field wiring connection is on the right side
of the heater.
To wire the heater from the left side, follow the steps
below:
1. Remove the two (2) screws that hold down the
junction box to the sway brace. Untie excess yellow
wires located behind the junction box.
2. Move the junction box to the left side of unit and
attach the box to the sway brace.
3. Secure 24V yellow wires to sway brace panel with
existing wire retainers.
4. Connect the wires inside the junction box, either
120V or 240V depending on the field wiring.
NOTE: 7/8" Dia. holes not utilized on jacket and control
box can be used for fireman switch or auxiliary control
interface wiring.
NOTE: Heater must be electrically grounded and
bonded. Bonding lug is provided loose with the unit.
Install bonding lug on lower right or left side of jacket as
necessary for bonding the unit. Mounting hole is provided
on the jacket.
The Electronic Intermittent Ignition Device automatically
lights the pilot and main burners upon a call for the heat.
The heater is supplied with a dual voltage transformer for
120V or 240V input power hookup.
NOTE:
Heaters are factory wired for 240V power supply.