Installation Guide

7
Priority Zoning Circulator Controlling Switching Relay
TO: "TT" ON BOILER
1
20 VAC INPUT
BOILER
H
N
MASTER
SLAVE
PRIORITY
ON
PRIORITY
OFF
120 VAC
INPUT
SIX ZONE SWITCHING RELAY
120 VAC CIRCULATORS
ZC
INPUT
120 VAC
ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6
ZONE1 ZONE2 ZONE3 ZONE4 ZONE5
THERMOSTATS
SR 506-4
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
XX
RW
RW
RW
RW
RW
RW
ISOLATED
E
ND
SWITCH
THERMOSTATS (24 VAC)
PRIORITY
120 VAC
ZR
HHNHNHNHNHNHNH NH
ZONE6
ZONE 2
POWER
ZONE 1
ZONE 3
ZONE 4
ZONE 5
ZONE 6
LED
INDICATORS
ZONE 6
PRIORITY
OFF
ON
PRIORITY
24 VAC
COM
REMOVE
JUMPER
P
PRIORITY
24 VAC
OUTPUT
(OPTIONAL)
POWER IN
H
(on)
MASTE
R
CIRC.
ON
P
RIORITY
M
ASTER/SLAVE
SWITCH
RW
X
X
RC
THERMO-
STAT
END
SWITCH
24 VAC
POWER
N
P
RIORITY ZONING
CIRCULATOR
I
NDIRECT
W
ATER HEATER
AQUASTAT OR
T
HERMOSTAT