Electrical Connections - Raypak RAYTHERM 0133-4001 Installation And Operating Instructions Manual

ELECTRICAL CONNECTIONS

CAUTION: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation after
servicing.
DANGER - SHOCK HAZARD
Make sure electrical power to the heater is discon-
nected to avoid potential serious injury or damage to
components.
The boiler is normally wired for 120 Volts. The
voltage is indicated on the tie-in leads. Consult the
wiring diagram shipped with the boiler in the instruction
packet. The "TH" leads are for the remote tank control
connection. 24 Volts are supplied to this connection
through the boiler transformer. DO NOT attach line
voltage to the "TH" leads on models 133-1826. Before
starting boiler check to ensure proper voltage to boiler
and pump.
-
Fig. #9138.2
24
Boiler must be electrically grounded in accordance
with National Electrical Code ANSI/NFPA No 70.
NOTES:
1. Field install ground to inside of junction box.
2. If any of the original wire as supplied with the boiler
must be replaced, it must be replaced with 105°C
wire or its equivalent.
Fig. #9138.1