Raypak NH 用户手册
CAUTION: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation after
servicing.
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.
Make sure electrical power to the heater is discon-
nected to avoid potential serious injury or damage to
components.
The heater is normally wired for 120 Volts. The
voltage is indicated on the tie-in leads. Consult the
wiring diagram shipped with the heater in the instruc-
tion packet. The "TH" leads are for the remote tank
wiring diagram shipped with the heater in the instruc-
tion packet. The "TH" leads are for the remote tank
27
ELECTRICAL CONNECTIONS
control connection. 24 Volts are supplied to this con-
nection through the heater transformer. DO NOT
attach line voltage to the "TH" leads on models 514-
1826. Before starting heater check to ensure proper
voltage to heater and pump.
nection through the heater transformer. DO NOT
attach line voltage to the "TH" leads on models 514-
1826. Before starting heater check to ensure proper
voltage to heater and pump.
Heater must be electrically grounded in accor-
dance with National Electrical Code ANSI/NFPA No
70.
70.
NOTES:
1.
1.
Field install ground wire to inside of junction box.
2.
If any of the original wire supplied with the heater
must be replaced, it must be replaced with 105°C
wire or its equivalent.
must be replaced, it must be replaced with 105°C
wire or its equivalent.
SINGLE-STAGE TANKSTAT
2- STAGE TANKSTAT
(2 ON/OFF UNITS)
Fig # 9138.2
Fig # 9138.1