10
4 - WATER CONNECTIONS
WATER LOOP WITH CONSTANT WATER FLOW
WATER LOOP WITH VARIABLE WATER FLOW
WATER SOURCE
(1) antifreeze protection
(2) differential pressure switch, water side
(3) Steel mesh filter on the water side (optional)
(4) shut-off valve on the system water connections
(optional)
(5) by-pass cleaning valve (optional)
The dotted line indicates the supply limit of the stan-
dard unit (field A)
(1) antifreeze protection
(2) differential pressure switch, water side
(3) Steel mesh filter on the water side (optional)
(4) shut-off valve on the system water connections
(optional)
(5) by-pass cleaning valve (optional)
(6) ON/OFF solenoid valve water side (optional)
The dotted line indicates the supply limit of the stan-
dard unit (field A)
(1) antifreeze protection
(2) differential pressure switch, water side
(3) Steel mesh filter on the water side (optional)
(4) shut-off valve on the system water connections
(optional)
(5) by-pass cleaning valve (optional)
(6) Water side modulating valve (optional)
The dotted line indicates the supply limit of the stan-
dard unit (field A)
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