Install Instructions

5
The holiday feature is activated when the holiday terminal is connected to the sensor common terminal. Once activated, the control
adjusts the collector pump to full speed, and if applicable, turns on the auxiliary relay when the storage tank temperature is greater
than storage tank maximum temperature and the storage tank temperature is 10°F warmer than the collector temperature. The
output(s) then remain on until the storage tank temperature drops to 130°F.
The holiday feature is only available when the 00-VT is configured for a single storage tank.
Limit Input
The control includes a limit input feature that allows for certain operation to be terminated. The limit input operation is also dependent
on whether the control is configured for one or two storage tanks.
If the 00-VT is configured for a single storage tank and collector sink operation, and a limit input is received, all outputs are turned
off. However, the collector pump can still operate based on the requirements of the collector and the storage tank. This configuration
would be typical of a pool being used as the auxiliary heat sink. In this case, a strap-on high limit pool aquastat could be used to
provide a limit input terminating operation.
If the 00-VT is configured for two storage tanks or an application other than collector sink, and a limit input is received, all outputs are
turned off. This configuration would be typical when servicing is required of the solar system requiring the control to be disabled.
Intermittent Freeze Protection (DIP switch 4)
The 00-VT includes a freeze protection feature that intermittently operates the collector pump to prevent the potential
of the fluid in the collector distribution system from freezing. The 00-VT turns on the collector pump when the collector
temperature falls below 35°F. The collector pump then remains on until the collector pump rises above 40°F. This feature
is selected by setting DIP switch to the On position. It is recommended that this feature should only be used in a climate
where the outdoor temperature doe not remain below freezing for prolonged periods of time.
Note: Intermittent freeze protection does not apply when the 00-VT is configured for Drainback.
Exercising
During long periods of no operation, the 00-VT is designed to exercise for 10 seconds every 3 days of no operation in order to prevent
precipitate build-up in the pump. The % OUT LED turns on during the exercising function.
WARNING: Wiring connections must be made in accordance with all applicable electrical codes.
CAUTION: To prevent electrical shock, disconnect electric power to system at main fuse or circuit breaker box until
installation is complete. When a service switch is installed, more than one disconnect switch may be
required to deenergize this device for servicing.
Powering the control
Plug in the factory installed line cord into a nearby properly protected
receptacle. If the line voltage pump output (PMP) terminal is to be
used, then replace the strain relief with a duplex power connector to
handle both power input and power output connections.
Limit Input
The limit input signal may be provided by shorting the Limit Com
and Limit Dem terminals. 24 V (ac) applied across the terminals will
also provide a limit input signal.
This signal may come from a switching device including a dry
contact switch or high limit device.
Sensors
Do not apply power to these terminals as this will damage the PC
Board. The wiring terminals for the sensors may be removed for
ease of installation.
Do not run the wires parallel to telephone or power cables. If
the sensor wires are located in an area with strong sources of
electromagnetic interference (EMI), shielded cable or twisted pair
should be used or the wires can be run in a grounded metal conduit.
If using shielded cable, the shield wire should be connected to the
Com terminal on the PC Board and not to earth ground.
PMP
SrcHol Tnk Com
Limit
Limit
N
H
Meets Class B:
Canadian ICES
FCC Part 15
MOV
130°F
Maximum Tank
Temperature
135
140
145
150
155
160
165
170
175
180
XFMR
Power: 120 V
Var. Speed: 120 V (ac)
2.4 A 1/6 hp
Pmp: 120 V (ac) 5 A
1/6 hp
13
24
5
PWR
Limit
% OUT
Holiday
Max. Tank
coil
+
100μF
Made in
Canada
T2.5A
250V
Y
R
B
fuse
5A relay
±10% 900 VA 60 Hz
0.1μF
0.1μF
ON OFF
194 – 2865-PUR (5µF)
194 – 2866-PUR (14µF)
194 – 2867-PS (18µF)
+
Use copper
conductors only