© 20101 Aqua-Hot
®
375-LP Installation Manual
SECTION 10: PURGING THE SYSTEMS
Figure 51
— Page 43 —
Terminal Block
for Switches,
Heat Exchanger
Fans and
Thermostats
Zone 1 Thermostat Connection Terminal
Zone 2 Thermostat Connection Terminal
CAUTION
Verify that the domestic water tank contains fresh water
prior to bleeding the fresh water system.
1. Ensure that the vehicle’s domestic water pump
has 12 Volt-DC power, then activate it by
opening each hot water faucet, one at a time,
and running the water until all air is purged
from the domestic water system.
2. Once the domestic water system is completely
bled, check for leaks in the domestic water sys-
tem.
Purging the Domestic Water System:
Figure 52
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