Rheem 627 series Owner's Manual And Installation Instructions page 81

MANIFOLD INSTALLATION - EZ LINK CONNECTION
TWO CONTINUOUS FLOW WATER HEATERS - 862,864,866 SERIES 627 MODELS
Temperature
Controller
(installed indoors)
(optional-627 models)
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
no minimum
350
distance requirement
TEMPERATURE LIMITING DEVICE
NOTE: NON RETURN
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
81
EZ-LINK SYSTEM DUAL INSTALLATION
GPO x 2
Ez-Link
Cable
HOT WATER
TO OUTLETS
TEMPERED
IF REQUIRED
WATER
OUTLETS
TEMPERING
NON RETURN VALVE
VALVE
TO