Product Overview

SPECIFICATIONS
Model: SZ-84DX 4 Zone Valve Control
SZ-86DX 6 Zone Valve Control
Power Supply: 24 VAC, 50/60Hz
Dimensions: 6 3/8”(W) x 6 5/8”(H) x 2 3/4”(D)
Electrical Switch Rating: 10 A 1/3 HP @ 120VAC
Thermostat Anticipator Setting: 0.18 A
Enclosure: Flame Retardant Plastic 94V0
Shipping Weight: 3 lbs.
Model: SZ-V4 4 Zone Valve Control with transformer
SZ-V6 6 Zone Valve Control with transformer
Power Supply: 120 VAC, 50/60Hz
Dimensions: 11”(W) x 6 5/8”(H) x 3”(D)
Electrical Switch Rating: 10 A 1/3 HP @ 120VAC
Thermostat Anticipator Setting: 0.18 A
Enclosure: Aluminum
Shipping Weight: 5 lbs.
TYPICAL WIRING DIAGRAM
SZ-V6 WITH COVER REMOVED
Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 6
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
MASTER SLAVE
ON
ZONE 1 PRIORITY
OFF
TIMER
Do Not Use
* Set DIP Switch
Jumper3&4 to ON
POWER
PRIORITY
ZONE VALVES
T2 T3 T4 T5 T6T1
Z1 Z2 Z3 Z4 Z5 Z6
N L
CIRC
NC COM NO
Zone 1
N L
120 VAC
FUSE 2.5 AMP MAX
XX Delay Timer
ON
OFF
ON
JUMPER 3&4
1 2 3 4 5 6
ZONE EXPANSION
T1 T1 T2 T2 T3 T3 T4 T4 T5 T5 T6 T6
1 2 3
R W R W R W R W R W R W
24VAC OUT
R
C
X1 X1
ZONE 1
END
SWITCH
X X
THERMOSTATS
THERMOSTAT
(eg. Azel D-135EB)
N L
120 VAC
L N
CIRC
NC COM NO
Zone 1
DHW CIRCULATOR
ZONE CIRCULATOR
WIRING FOR PRIORITIZING
DHW CIRCULATOR
Boiler/
Burner
Control
T
T
TT on Boiler with
DHW TT Terminals
Boiler
Control
T
T
DHW
N
N L
L