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R2KA 34 /20 - RAD - ING - Inst.Manual - 2002.1_CSA
1. INSTALLATION
INST
ALLER
1.1.11. D.H.W. CIRCULATING LOOP
In order to joint the D.H.W out loop pipe, proceed as follows:
› unscrew the ½” cap A (fig.9);
› joint the nipple to the D.H.W. circulating pipe.
KEY
RC-
D.H.W. RECIRCULATING LOOP
VR- NON-RETURN VALVE (CHECK VALVE)
C-
CIRCULATOR
U-
FIXTURES
F-
COLD WATER MAINS
RC
F
C
U
VR
A
INSTALLATION
fig. 9
