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the service switch).
c. Switch of
f the branch circuit breaker.
Step 2 - Remove electrical box cover
.
Step 3 - Remove existing wir
e from boiler aquastat
terminal C1 and connect to terminal #2 on
DPDT relay.
Step 4 - Install wire from DPDT relay terminal #1 to boiler
aquastat terminal C1.
Step 5 - Connect terminals of 4 and 6 of DPDT relay "T-
T" terminals of boiler aquastat relay.
Step 6 - Connect BOILER MATE™ thermostat to L1,
BOILER MATE™ and DPDT relay as shown
in Schematic #4.
Step 7 - Connect L2 to BOILER MATE™ circulator
and DPDT relay as shown in Schematic #4.
B. Use only the heating system circulator.
When wiring a separate, full-flow 3-way zone valve, follow
steps in 1B. above.
Note: Priority comes from the valve operation and not the
wiring.
D. POST-INSTALLATION and
START-UP CHECKLIST
After the BOILER MATE™ has been plumbed and wired, it is now
r
eady to be set for automatic operation. Turn on the boiler and
safety switches.
TEMPERATURE ADJUSTMENT
PAINFUL SCALDING WITH POSSIBLE
SERIOUS AND PERMANENT INJURY
CAN OCCUR IF THE TEMPERATURE IS SET TOO HIGH OR
THE THERMOSTAT IS NOT FUNCTIONING PROPERLY.
The thermostat controls the maximum water temperature in the
BOILER MATE™.
If set too high, the resulting hot water can
cause painful scalding with possible serious and permanent
injury.
The temperature at which this occurs varies with a
person’
s age and the length of time in contact with the water.
The slower response time of infants, aged or handicapped
persons incr
eases the hazar
d to them.
It is recommended that the temperature control be set for the
lowest temperatur
e which satisfies your hot water needs. This will
also pr
ovide the lowest operating costs.
In conjunction with a Consumer Product Safety Commission
r
ecommendation, an initial setting of 120° F is recommended.
This may or may not be suitable for your needs. Check the
temperature at a hot water faucet soon after the burner has
completed the first heating. Adjust as needed. Note that
adjusting to a lower setting will not have an immediate effect. The
stor
ed hot water will first have to be used. Additional checks of
the water temperature should follow completion of a cycle.
Further adjustments may be necessary as you use your BOILER
MATE™ and water piping system.
NOTE: V
ALVES FOR REDUCING POINT OF USE
TEMPERATURE BY MIXING COLD AND HOT WATER ARE
AVAILABLE. CONSULT A LICENSED PLUMBER OR THE
LOCAL PLUMBING AUTHORITY.
SEPARATE CIRCULATOR
ZONE VALVES - SCHEMATIC 3
3-WIRE ZONE VALVES
4-WIRE ZONE V
AL
VES
PRIORITY W/CIRCULATORS - SCHEMATIC 4