TM090 12-26 Series II CFGWH Service Instructions
REV AB – Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”
REMOTE CONTROLLERS
Continuous flow gas water heaters can be fitted with optional remote temperature controllers
as long as they are not being used in conjunction with a solar system.
There are 3 types of remote controller that can be used, standard, deluxe or EziSET
®
.
Standard and deluxe controllers are hard wired whereas EziSET
®
is a Smartphone based
remote temperature control (Note: EziSET
®
is not to be used with hard wired controllers).
Hard Wired Controllers:
Standard and deluxe controllers cannot be mixed in a single installation; an individual water
heater must have ALL standard or ALL deluxe type controllers fitted, other manufacturers’
controllers cannot be used.
Deluxe temperature controllers offer additional functions compared to standard temperature
controllers:
A Bath-Fill auto-stop function allows the bath-fill volume and temperature to be set,
once the selected volume of water has passed through the water heater the water
servo motor closes, preventing any further flow of hot water.
An Assistance call button provides a voice or alert tone when pressed that is audible
on all controllers.
One, two or three controllers can be installed, however if a Bathroom controller is installed
without a Kitchen controller then the maximum selectable hot water temperature will be
limited to 50
o
C when connected to an 874 model or 48
o
C (displayed as 50
o
C) when
connected to an 876 model.
876 Models are factory set and limited so that they cannot deliver water hotter than 48
o
C.
When no hot water is flowing, temperatures can be selected between 37
o
C and 50
o
C by
pressing and holding the temperature control buttons, to select temperatures above 46
o
C
press the temperature control button once for each selection.
A controller must be turned on and must display the ‘ACTIVE’ indicator in order to allow
adjustment of water temperature.
When hot water is flowing, the temperature can be increased from 37
o
C to 46
o
C only.
The water temperature can be decreased from any setting whether hot water is flowing or
not.
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