Aqua-Hot 375-LP Installation Manual Page 27

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© 20101 Aqua-Hot
®
375-LP Installation Manual
SECTION 4: THERMOSTATS
Figure 32
— Page 27 —
Zone 1 Thermostat Connection Terminal
Zone 2 Thermostat Connection Terminal
Room Thermostat Locations:
Select a location that will ensure even heat throughout
each heating zone.
Locate each thermostat at approximately chest level, if
applicable.
NOTE: The selected location should prevent the
thermo stat from being affected by:
drafts or dead spots behind doors and in
corners
hot or cold air from ducts
radiant heat from the sun or appliances
heat from concealed pipes and chimneys
unheated or un-cooled areas such as an
outside wall behind the thermostat
Room Thermostat Mounting:
Once the room thermostat has been wired, perma-
nently mount the thermostat in place.
Be sure to then turn OFF both interior room ther-
mostats.
Room Thermostat Wiring:
1. Run one 18-gauge wire from each room thermo-
stat mounting location to the Aqua-Hot terminal
block.
2. Attach the zone 1 thermostat to the T1 location
on the terminal block and attach the zone 2 ther-
mostat to the T2 location. Reference Figure 32.
3. Attach the T1 wire to one side of the zone 1
thermostat and attach the T2 wire to one side of
the zone 2 thermostat.
4. Connect a wire from the other side of both ther-
mostats to the chassis ground.
NOTE:
It is recommended that the wire numbers in
Appendix A be used when installing the Aqua-
Hot in order to assist with differentiating
between the separate heating zones and to aid
service personnel with troubleshooting.
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