Rheem 874 Owner's Manual And Installation Instructions page 59

DIP SWITCH 4 OF DIP1
SET OF DIP SWITCHES IN
THE ON (UP) POSITION
ON
1 2 3
1 2 3
MANIFOLD INSTALLATION - EZ LINK CONNECTION
Control Board with Ez-Link Connection
EZ-LINK CABLE CONNECTION
TWO CONTINUOUS FLOW WATER HEATERS - 862,864,866 SERIES 027 MODELS
CONTINUOUS FLOW WATER HEATER
86,87 SERIES, 022,024,027 MODELS
Temperature
Controller
(installed indoors)
in use priority
°C
x10
check
hot water water on
temperature volume off
before use
K
Controller
Cable
COLD WATER SUPPLY
GAS SUPPLY
NOTE:
PRESSURE
PIPE SIZES:
LIMITING DEVICE
Manifold DN25
(PLV)
REQUIRED TO
Branches DN20
TLD IF PLV
INSTALLED AT
WATER HEATER
LEGEND
ISOLATION VALVE (FULL FLOW)
Typical Two Unit Manifold with Ez-Link Connection
SECURE CABLE WITH
CABLE CLAMP AND SCREW
4
4
no minimum
distance
350
requirement
TEMPERATURE LIMITING DEVICE
NOTE: NON RETURN
IF REQUIRED
VALVES (NRV)
SUITABLE FOR MAXIMUM FLOW.
REQUIRED ON COLD AND
HOT SUPPLY LINES TO A
COLD WATER
TEMPERATURE LIMITING
DEVICE (TLD) IF NOT
SUPPLY
INCORPORATED IN TLD.
PRESSURE LIMITING VALVE
59
EZ-LINK
CABLE
PLUG IN
EZY-LINK
CABLE
INTO
CONNECTOR
Weatherproof
GPO x 2
Ez-Link
Cable
HOT WATER
TO OUTLETS
TEMPERED
WATER
TO
OUTLETS
TEMPERING
NON RETURN VALVE
VALVE