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SINGLE
STAGE
TANKSTAT
STAGE 1
CONNECTION
ATTACH STAGE 1 CONNECTIONS
ON HEATER TO THE SINGLE STAGE
TANKSTAT AS SHOWN IN THE DIAGRAM ABOVE.
2-STAGE
TANKSTAT
STAGE 1
CONNECTION
STAGE 2 CONNECTION OR
STAGE 1 CONNECTION
OF HEATER 2
ATTACH STAGE 1 CONNECTIONS ON HEATER
TO STAGE 1 CONNECTION ON TANKSTAT.
ATTACH STAGE 2 CONNECTIONS OR
STAGE 1 CONNECTION OF HEATER 2
TO STAGE 2 CONNECTIONON TANKSTAT
AS SHOWN IN THE DIAGRAM.
Fig. 15: Single Stage Tankstat
Fig. 16: 2-Stage Tankstat
Electrical Connections — Domestic
Hot Water
Installer action is required to electrically enable your Hi
Delta heater to operate after making the power con-
nections. You must make a connection on Terminal
Block #3 for temperature control connections. This will
be done based on the controller option selected with
your heater order.
For operation with a Temp-Tracker controller, refer to
the Temp-Tracker Installation and Operating
Instructions, Raypak Catalog number 5000.66 (P/N
241177).
Consult the wiring diagram shipped with the heater in
the instruction packet. The Stage 1 connections are for
the remote tank control through the heaters 24 volt
transformer. DO NOT attach line voltage to the
Stage 1 connection. Before starting heater, check to
ensure proper voltage to heater and pump.
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 disconnected to
avoid potential serious injury or damage to
components.
NOTE: Minimum 18 AWG, 105°C, stranded wire
must be used for all low voltage (less than 30 volts)
external connections to the unit. Solid conductors
should not be used because they can cause
excessive tension on contact points. Install conduit
as appropriate. All high voltage wires must be the
same size (105°C, stranded wire) as the ones on the
unit or larger.