60
EZ-LINK SYSTEM DUAL INSTALLATION
The EZ-Link™ system is designed to electronically control two continuous flow gas water heaters and have
them operate as one. One or both water heaters may be in operation, depending upon the hot water
demand. The second water heater will only operate when the hot water demand exceeds the capacity of the
first water heater to supply.
The EZ-Link system is suitable for installation with Rheem 874 and 876 series 627 model continuous flow
gas water heaters. The Ez-Link Kit PN 290141 is required for the installation.
DO NOT OPERATE THIS APPLIANCE BEFORE
READING THE INSTRUCTION
BOOKLET.
DO NOT PLACE ARTICLES ON OR AGAINST
THIS APPLIANCE.
DO NOT STORE CHEMICALS OR FLAMMABLE
MATERIALS, OR SPRAY AEROSOLS
NEAR THIS APPLIANCE.
DO NOT OPERATE WITH PANELS, COVERS
OR GUARDS REMOVED FROM THIS
APPLIANCE.
DO NOT ENCLOSE THIS APPLANCE.
CERTIFIED FOR OUTDOOR INSTALLATION ONLY
To operate the water heater
Open the inlet water and gas valves fully
Plug appliance into mains power outlet and switch on
Turn on remote temperature controller(s) if fitted
 Open a hot tap - the heater will operate automatically
To shut down the water heater
Close the inlet water and gas valves fully
Turn off remote temperature controller(s) if fitted
If power will be disconnected, refer to the owners guide
regarding draining the appliance to avoid damage due to
freezing
121109 AD
N199 AS 3498
WMKA21434
Ez-Link Kit PN 290141
Notes:
Only two continuous flow gas water heaters can be installed with an Ez-Link system.
The Ez-Link system will vary the start up sequence of the two water heaters.
The two continuous flow water heaters must be of the same model. The performance of two different
model water heaters manifolded together cannot be guaranteed.
Rheem 874 and 876 series 627 model water heaters do not require a temperature controller to be
installed as part of an Ez-link system installation.
A temperature controller(s) may be installed with the EZ-Link system on an 874 or 876 627 model dual
installation. The controller(s) can be either a standard or Deluxe controller(s).
If the preset outlet temperature of the water heater is set at greater than 60°C, the maximum outlet
temperature of the water heater will be limited by the maximum temperature setting of the temperature
controller.
Two 874 627 model water heaters manifolded together with an Ez-Link system installed can be used as
an in-series gas booster system to a solar water heater installation so long as a temperature controller is
not installed.
Warning: Two continuous flow water heaters manifolded together with an Ez-Link system installed
cannot be used as an in-series gas booster system to a solar water heater installation if a temperature
controller is installed. Temperature controllers must not be fitted to a water heater as part of a solar
water heater system because water at a temperature much higher than the controller setting can be
delivered.
screws x 2
cable clamps
x 2
Ez-Link cable x 1
warning label x 1
(121109)
AGA label x 1
(121901)
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