Page 15, Fig. no. 17 multi-zone diagram – Smith Cast Iron Boilers GVIOM-5R Manuel d'utilisation
Page 15
Page 15
GV100W BOILER
INSTALLATION & OPERATING INSTRUCTIONS
ADD
JUMPER
AS
SHOWN
TH-TR
END SWITCH
TH
TR
TH-TR
END SWITCH
TH
TR
TH-TR
END SWITCH
TH
TR
(HOT)
1
L2
L1
CIRCULATOR
POWER
SUPPLY
2
V8043F
V8043F
V8043F
T87F ZONE 1
T87F ZONE 2
T87F ZONE 3
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
R8285A POWERS (3) V8043 ZONE VALVES, OR ONLY (2) V8043'S IF AMBIENT
TEMPERATURE EXCEEDS 77F. USE AND ADDITIONAL TRANSFORMER FOR
EVERY ADDITIONAL 3 OR LESS VALVES.
LINE VOLTAGE
LOW VOLTAGE
ADD
JUMPER
AS
SHOWN
L2
L1
1
POWER
SUPPLY
Y
G
W
C
R
W
1
3
BK
R8285D
FIG. NO. 15 Multi-Zone Diagram
FIG. NO. 16 Multi-Zone Diagram
LINE VOLTAGE
LOW VOLTAGE
CIRCULATOR
ZONE 1
R8230B
ZONE 1
THERMOSTAT
CIRCULATOR
ZONE 2
R8230B
ZONE 2
THERMOSTAT
CIRCULATOR
ZONE 3
R8230B
ZONE 3
THERMOSTAT
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
AS MANY AS FOUR R8230B RELAYS MAY BE POWERED BY THE R8285A
ADDITIONAL GROUPS OF 4 REQUIRE AN ADDITIONAL TRANSFORMER.
Y
G
W
L2
L1
1
POWER
SUPPLY
C
R
W
1
3
BK
R8285D
FIG. NO. 17 Multi-Zone Diagram
LINE VOLTAGE
LOW VOLTAGE
CIRCULATOR
ZONE 1
2
1
3
4
5
6
R845A RELAY
ZONE 1
TO ADDITIONAL
R845A RELAYS
FOR OTHER ZONES
LOW
VOLTAGE
THERMOSTAT
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
1
R8285D
Y
G
W
L
2
L
1
1
POWER
SUPPLY
C
R
W
1
3
BK
Page 15
GV100W BOILER
INSTALLATION & OPERATING INSTRUCTIONS