C. Wiring
a. Open front cover and loosen screw on front of display, display door will hinge open.
b. Route all wires into enclosure through bottom holes using the strain reliefs, as shown in the
Instructions. Plug unused holes with plugs provided.
c. Provide supply power from
24 VAC
field provided transformer (6VA minimum). DO NOT POWER UP
until all connections are made.
d. Follow instructions to connect power (9,10), actuator (13, 14, 15), mixed and return temperature
probes (19, 20, 21), to the numbered terminal blocks provided in packaging.
e. Plug wired terminal blocks into appropriate female connections on circuit board.
f. See manual for wiring of communication network and relay outputs, if used.
g. Before powering, turn on battery switch per yellow label inside control cabinet.
h. Close door, tighten screw, power up.
i. Use OK and up/down arrows to input Date, Time and Region (USA).
j. After completing date, time and region, press Menu.
k. The control will start the anti-clog function. The screen will say “Anti-clog RUNNING”. Wait for this
function to complete before making any other adjustments (if necessary).
l. After completing the anti-clog function the display will show “ADJUSTMENT RUNNING” as shown
on the previous page, if there are no alarms. This is the normal operating mode.
m. If the default mixed outlet temperature set point 113 °F is not the desired value, push Menu, go into
“Settings”, and change it (SET1). See Instructions for all other settings.
FOR BASIC MIXING CONTROL,
IGNORE TERMINALS 1 TO 8
PIN
disable
Reset
Appliance fuse
400 mA - 250 V delayed
Mixing valve fuse
1 A - 250 V delayed
Rela
y
co
ntact
s
Electri
c
suppl
y
24
V
Mixin
g
val
ve
Battery connected
Battery disconnected
Battery connection
Thermal shock
activation
Shock
enabled
Shock
disabled
(factory setting)
Temperatu
re
sensors
Mixed outlet
Return
Common
Relay 1
Relay 2
Relay 3
Relay 4
Closes
Common
Opens
Earth
Earth
Neutral
Live
PIN code
disabling button
Reset button
Screw to close
the front cover
with hole
for lead-sealing
RS485
Interface
terminal
Microswitch
for enabling
thermal shock
function
Temperature
sensor terminal
Battery
To remove the electrical wiring base, turn it round and extract it from its housing.
–
+
Ok
Menu
Shock
Ok
Mixed
°
C
Return
°
C
TUESDAY
1 / 02/ 2017
ADJUSTMENT
IN PROGRESS
°
C
0
20
80
60
40
30
50
70
90110 130150
170
190
210
F
Rela
y
co
ntact
s
Relay 1
Relay 2
Relay 3
Relay 4
FLUSH VALVES
(reduce temperature)
2nd THERMOSTAT
(aquastat)
ALARM
(unsuccessful
disinfection cycle)
RECIRC PUMP
(disinfection)
RS485 MODBUS 2-WIRE
COMMUNICATION*
24 VAC
OPTIONAL MODBUS/
BACNET GATEWAY
ETHERNET TO LAN
24 VAC FLOATING CONTROL
MIXED OUTLET WATER
TEMPERATURE SENSOR
RETURN WATER
TEMPERATURE STRAP-ON SENSOR
*RS485 ModBus is integral to the
controller. It may be used directly
and requires “mapping” by the
user to access the data, OR,
Optional gateway converts
ModBus data to BACnet data,
available to BAS (or any BACnet).
A0
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
SPL
RUN
ERR
RX
TX
PWR
GND
Rx/-
Tx/+
+PWR
-PWR
FRAME GND
RELAY 1, 2, 3, 4
Ok
Menu
Shock
Ok
Mixed
°
C
Return
°
C
TUESDAY
1 / 02/ 2017
ADJUSTMENT
IN PROGRESS
°
C
0
20
80
60
40
30
50
70
90110 130150
170
190
210
F
Rela
y
co
ntact
s
Relay 1
Relay 2
Relay 3
Relay 4
FLUSH VALVES
(reduce temperature)
2nd THERMOSTAT
(aquastat)
ALARM
(unsuccessful
disinfection cycle)
RECIRC PUMP
(disinfection)
RS485 MODBUS 2-WIRE
COMMUNICATION*
24 VAC
OPTIONAL MODBUS/
BACNET GATEWAY
ETHERNET TO LAN
24 VAC FLOATING CONTROL
MIXED OUTLET WATER
TEMPERATURE SENSOR
RETURN WATER
TEMPERATURE STRAP-ON SENSOR
*RS485 ModBus is integral to the
controller. It may be used directly
and requires “mapping” by the
user to access the data, OR,
Optional gateway converts
ModBus data to BACnet data,
available to BAS (or any BACnet).
A0
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
SPL
RUN
ERR
RX
TX
PWR
GND
Rx/-
Tx/+
+PWR
-PWR
FRAME GND
RELAY 1, 2, 3, 4
3
